diff options
Diffstat (limited to 'crypto')
190 files changed, 16786 insertions, 16105 deletions
diff --git a/crypto/842.c b/crypto/842.c index e59e54d76960..4007e87bed80 100644 --- a/crypto/842.c +++ b/crypto/842.c @@ -18,17 +18,12 @@ * drivers/crypto/nx/nx-842-crypto.c */ +#include <crypto/internal/scompress.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/crypto.h> #include <linux/sw842.h> -#include <crypto/internal/scompress.h> - -struct crypto842_ctx { - void *wmem; /* working memory for compress */ -}; -static void *crypto842_alloc_ctx(struct crypto_scomp *tfm) +static void *crypto842_alloc_ctx(void) { void *ctx; @@ -39,38 +34,11 @@ static void *crypto842_alloc_ctx(struct crypto_scomp *tfm) return ctx; } -static int crypto842_init(struct crypto_tfm *tfm) -{ - struct crypto842_ctx *ctx = crypto_tfm_ctx(tfm); - - ctx->wmem = crypto842_alloc_ctx(NULL); - if (IS_ERR(ctx->wmem)) - return -ENOMEM; - - return 0; -} - -static void crypto842_free_ctx(struct crypto_scomp *tfm, void *ctx) +static void crypto842_free_ctx(void *ctx) { kfree(ctx); } -static void crypto842_exit(struct crypto_tfm *tfm) -{ - struct crypto842_ctx *ctx = crypto_tfm_ctx(tfm); - - crypto842_free_ctx(NULL, ctx->wmem); -} - -static int crypto842_compress(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - struct crypto842_ctx *ctx = crypto_tfm_ctx(tfm); - - return sw842_compress(src, slen, dst, dlen, ctx->wmem); -} - static int crypto842_scompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -78,13 +46,6 @@ static int crypto842_scompress(struct crypto_scomp *tfm, return sw842_compress(src, slen, dst, dlen, ctx); } -static int crypto842_decompress(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - return sw842_decompress(src, slen, dst, dlen); -} - static int crypto842_sdecompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -92,23 +53,11 @@ static int crypto842_sdecompress(struct crypto_scomp *tfm, return sw842_decompress(src, slen, dst, dlen); } -static struct crypto_alg alg = { - .cra_name = "842", - .cra_driver_name = "842-generic", - .cra_priority = 100, - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct crypto842_ctx), - .cra_module = THIS_MODULE, - .cra_init = crypto842_init, - .cra_exit = crypto842_exit, - .cra_u = { .compress = { - .coa_compress = crypto842_compress, - .coa_decompress = crypto842_decompress } } -}; - static struct scomp_alg scomp = { - .alloc_ctx = crypto842_alloc_ctx, - .free_ctx = crypto842_free_ctx, + .streams = { + .alloc_ctx = crypto842_alloc_ctx, + .free_ctx = crypto842_free_ctx, + }, .compress = crypto842_scompress, .decompress = crypto842_sdecompress, .base = { @@ -121,25 +70,12 @@ static struct scomp_alg scomp = { static int __init crypto842_mod_init(void) { - int ret; - - ret = crypto_register_alg(&alg); - if (ret) - return ret; - - ret = crypto_register_scomp(&scomp); - if (ret) { - crypto_unregister_alg(&alg); - return ret; - } - - return ret; + return crypto_register_scomp(&scomp); } -subsys_initcall(crypto842_mod_init); +module_init(crypto842_mod_init); static void __exit crypto842_mod_exit(void) { - crypto_unregister_alg(&alg); crypto_unregister_scomp(&scomp); } module_exit(crypto842_mod_exit); diff --git a/crypto/Kconfig b/crypto/Kconfig index a0e080d5f6ae..2e5b195b1b06 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -25,7 +25,7 @@ menu "Crypto core or helper" config CRYPTO_FIPS bool "FIPS 200 compliance" - depends on (CRYPTO_ANSI_CPRNG || CRYPTO_DRBG) && !CRYPTO_MANAGER_DISABLE_TESTS + depends on CRYPTO_DRBG && CRYPTO_SELFTESTS depends on (MODULE_SIG || !MODULES) help This option enables the fips boot option which is @@ -71,18 +71,25 @@ config CRYPTO_AEAD config CRYPTO_AEAD2 tristate select CRYPTO_ALGAPI2 - select CRYPTO_NULL2 - select CRYPTO_RNG2 + +config CRYPTO_SIG + tristate + select CRYPTO_SIG2 + select CRYPTO_ALGAPI + +config CRYPTO_SIG2 + tristate + select CRYPTO_ALGAPI2 config CRYPTO_SKCIPHER tristate select CRYPTO_SKCIPHER2 select CRYPTO_ALGAPI + select CRYPTO_ECB config CRYPTO_SKCIPHER2 tristate select CRYPTO_ALGAPI2 - select CRYPTO_RNG2 config CRYPTO_HASH tristate @@ -134,21 +141,30 @@ config CRYPTO_ACOMP select CRYPTO_ALGAPI select CRYPTO_ACOMP2 +config CRYPTO_HKDF + tristate + select CRYPTO_SHA256 if CRYPTO_SELFTESTS + select CRYPTO_SHA512 if CRYPTO_SELFTESTS + select CRYPTO_HASH2 + config CRYPTO_MANAGER - tristate "Cryptographic algorithm manager" + tristate + default CRYPTO_ALGAPI if CRYPTO_SELFTESTS select CRYPTO_MANAGER2 help - Create default cryptographic template instantiations such as - cbc(aes). + This provides the support for instantiating templates such as + cbc(aes), and the support for the crypto self-tests. config CRYPTO_MANAGER2 def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y) + select CRYPTO_ACOMP2 select CRYPTO_AEAD2 - select CRYPTO_HASH2 - select CRYPTO_SKCIPHER2 select CRYPTO_AKCIPHER2 + select CRYPTO_SIG2 + select CRYPTO_HASH2 select CRYPTO_KPP2 - select CRYPTO_ACOMP2 + select CRYPTO_RNG2 + select CRYPTO_SKCIPHER2 config CRYPTO_USER tristate "Userspace cryptographic algorithm configuration" @@ -158,35 +174,44 @@ config CRYPTO_USER Userspace configuration for cryptographic instantiations such as cbc(aes). -config CRYPTO_MANAGER_DISABLE_TESTS - bool "Disable run-time self tests" - default y +config CRYPTO_SELFTESTS + bool "Enable cryptographic self-tests" + depends on EXPERT help - Disable run-time self tests that normally take place at - algorithm registration. + Enable the cryptographic self-tests. + + The cryptographic self-tests run at boot time, or at algorithm + registration time if algorithms are dynamically loaded later. + + There are two main use cases for these tests: + + - Development and pre-release testing. In this case, also enable + CRYPTO_SELFTESTS_FULL to get the full set of tests. All crypto code + in the kernel is expected to pass the full set of tests. -config CRYPTO_MANAGER_EXTRA_TESTS - bool "Enable extra run-time crypto self tests" - depends on DEBUG_KERNEL && !CRYPTO_MANAGER_DISABLE_TESTS && CRYPTO_MANAGER + - Production kernels, to help prevent buggy drivers from being used + and/or meet FIPS 140-3 pre-operational testing requirements. In + this case, enable CRYPTO_SELFTESTS but not CRYPTO_SELFTESTS_FULL. + +config CRYPTO_SELFTESTS_FULL + bool "Enable the full set of cryptographic self-tests" + depends on CRYPTO_SELFTESTS help - Enable extra run-time self tests of registered crypto algorithms, - including randomized fuzz tests. + Enable the full set of cryptographic self-tests for each algorithm. + + The full set of tests should be enabled for development and + pre-release testing, but not in production kernels. - This is intended for developer use only, as these tests take much - longer to run than the normal self tests. + All crypto code in the kernel is expected to pass the full tests. config CRYPTO_NULL tristate "Null algorithms" - select CRYPTO_NULL2 + select CRYPTO_ALGAPI + select CRYPTO_SKCIPHER + select CRYPTO_HASH help These are 'Null' algorithms, used by IPsec, which do nothing. -config CRYPTO_NULL2 - tristate - select CRYPTO_ALGAPI2 - select CRYPTO_SKCIPHER2 - select CRYPTO_HASH2 - config CRYPTO_PCRYPT tristate "Parallel crypto engine" depends on SMP @@ -213,18 +238,32 @@ config CRYPTO_AUTHENC select CRYPTO_SKCIPHER select CRYPTO_MANAGER select CRYPTO_HASH - select CRYPTO_NULL help Authenc: Combined mode wrapper for IPsec. This is required for IPSec ESP (XFRM_ESP). -config CRYPTO_TEST - tristate "Testing module" +config CRYPTO_KRB5ENC + tristate "Kerberos 5 combined hash+cipher support" + select CRYPTO_AEAD + select CRYPTO_SKCIPHER + select CRYPTO_MANAGER + select CRYPTO_HASH + help + Combined hash and cipher support for Kerberos 5 RFC3961 simplified + profile. This is required for Kerberos 5-style encryption, used by + sunrpc/NFS and rxrpc/AFS. + +config CRYPTO_BENCHMARK + tristate "Crypto benchmarking module" depends on m || EXPERT select CRYPTO_MANAGER help - Quick & dirty crypto test module. + Quick & dirty crypto benchmarking module. + + This is mainly intended for use by people developing cryptographic + algorithms in the kernel. It should not be enabled in production + kernels. config CRYPTO_SIMD tristate @@ -241,6 +280,7 @@ config CRYPTO_RSA tristate "RSA (Rivest-Shamir-Adleman)" select CRYPTO_AKCIPHER select CRYPTO_MANAGER + select CRYPTO_SIG select MPILIB select ASN1 help @@ -281,19 +321,19 @@ config CRYPTO_ECDH config CRYPTO_ECDSA tristate "ECDSA (Elliptic Curve Digital Signature Algorithm)" select CRYPTO_ECC - select CRYPTO_AKCIPHER + select CRYPTO_SIG select ASN1 help ECDSA (Elliptic Curve Digital Signature Algorithm) (FIPS 186, ISO/IEC 14888-3) - using curves P-192, P-256, and P-384 + using curves P-192, P-256, P-384 and P-521 Only signature verification is implemented. config CRYPTO_ECRDSA tristate "EC-RDSA (Elliptic Curve Russian Digital Signature Algorithm)" select CRYPTO_ECC - select CRYPTO_AKCIPHER + select CRYPTO_SIG select CRYPTO_STREEBOG select OID_REGISTRY select ASN1 @@ -304,31 +344,6 @@ config CRYPTO_ECRDSA One of the Russian cryptographic standard algorithms (called GOST algorithms). Only signature verification is implemented. -config CRYPTO_SM2 - tristate "SM2 (ShangMi 2)" - select CRYPTO_SM3 - select CRYPTO_AKCIPHER - select CRYPTO_MANAGER - select MPILIB - select ASN1 - help - SM2 (ShangMi 2) public key algorithm - - Published by State Encryption Management Bureau, China, - as specified by OSCCA GM/T 0003.1-2012 -- 0003.5-2012. - - References: - https://datatracker.ietf.org/doc/draft-shen-sm2-ecdsa/ - http://www.oscca.gov.cn/sca/xxgk/2010-12/17/content_1002386.shtml - http://www.gmbz.org.cn/main/bzlb.html - -config CRYPTO_CURVE25519 - tristate "Curve25519" - select CRYPTO_KPP - select CRYPTO_LIB_CURVE25519_GENERIC - help - Curve25519 elliptic curve (RFC7748) - endmenu menu "Block ciphers" @@ -586,6 +601,7 @@ menu "Length-preserving ciphers and modes" config CRYPTO_ADIANTUM tristate "Adiantum" select CRYPTO_CHACHA20 + select CRYPTO_LIB_POLY1305 select CRYPTO_LIB_POLY1305_GENERIC select CRYPTO_NHPOLY1305 select CRYPTO_MANAGER @@ -623,7 +639,7 @@ config CRYPTO_ARC4 config CRYPTO_CHACHA20 tristate "ChaCha" - select CRYPTO_LIB_CHACHA_GENERIC + select CRYPTO_LIB_CHACHA select CRYPTO_SKCIPHER help The ChaCha20, XChaCha20, and XChaCha12 stream cipher algorithms @@ -652,15 +668,6 @@ config CRYPTO_CBC This block cipher mode is required for IPSec ESP (XFRM_ESP). -config CRYPTO_CFB - tristate "CFB (Cipher Feedback)" - select CRYPTO_SKCIPHER - select CRYPTO_MANAGER - help - CFB (Cipher Feedback) mode (NIST SP800-38A) - - This block cipher mode is required for TPM2 Cryptography. - config CRYPTO_CTR tristate "CTR (Counter)" select CRYPTO_SKCIPHER @@ -681,7 +688,7 @@ config CRYPTO_CTS config CRYPTO_ECB tristate "ECB (Electronic Codebook)" - select CRYPTO_SKCIPHER + select CRYPTO_SKCIPHER2 select CRYPTO_MANAGER help ECB (Electronic Codebook) mode (NIST SP800-38A) @@ -689,7 +696,7 @@ config CRYPTO_ECB config CRYPTO_HCTR2 tristate "HCTR2" select CRYPTO_XCTR - select CRYPTO_POLYVAL + select CRYPTO_LIB_POLYVAL select CRYPTO_MANAGER help HCTR2 length-preserving encryption mode @@ -701,14 +708,6 @@ config CRYPTO_HCTR2 See https://eprint.iacr.org/2021/1441 -config CRYPTO_KEYWRAP - tristate "KW (AES Key Wrap)" - select CRYPTO_SKCIPHER - select CRYPTO_MANAGER - help - KW (AES Key Wrap) authenticated encryption mode (NIST SP800-38F - and RFC3394) without padding. - config CRYPTO_LRW tristate "LRW (Liskov Rivest Wagner)" select CRYPTO_LIB_GF128MUL @@ -726,20 +725,6 @@ config CRYPTO_LRW See https://people.csail.mit.edu/rivest/pubs/LRW02.pdf -config CRYPTO_OFB - tristate "OFB (Output Feedback)" - select CRYPTO_SKCIPHER - select CRYPTO_MANAGER - help - OFB (Output Feedback) mode (NIST SP800-38A) - - This mode makes a block cipher into a synchronous - stream cipher. It generates keystream blocks, which are then XORed - with the plaintext blocks to get the ciphertext. Flipping a bit in the - ciphertext produces a flipped bit in the plaintext at the same - location. This property allows many error correcting codes to function - normally even when applied before encryption. - config CRYPTO_PCBC tristate "PCBC (Propagating Cipher Block Chaining)" select CRYPTO_SKCIPHER @@ -777,6 +762,7 @@ config CRYPTO_XTS config CRYPTO_NHPOLY1305 tristate select CRYPTO_HASH + select CRYPTO_LIB_POLY1305 select CRYPTO_LIB_POLY1305_GENERIC endmenu @@ -803,8 +789,8 @@ config CRYPTO_AEGIS128_SIMD config CRYPTO_CHACHA20POLY1305 tristate "ChaCha20-Poly1305" select CRYPTO_CHACHA20 - select CRYPTO_POLY1305 select CRYPTO_AEAD + select CRYPTO_LIB_POLY1305 select CRYPTO_MANAGER help ChaCha20 stream cipher and Poly1305 authenticator combined @@ -825,7 +811,6 @@ config CRYPTO_GCM select CRYPTO_CTR select CRYPTO_AEAD select CRYPTO_GHASH - select CRYPTO_NULL select CRYPTO_MANAGER help GCM (Galois/Counter Mode) authenticated encryption mode and GMAC @@ -833,13 +818,15 @@ config CRYPTO_GCM This is required for IPSec ESP (XFRM_ESP). -config CRYPTO_SEQIV - tristate "Sequence Number IV Generator" +config CRYPTO_GENIV + tristate select CRYPTO_AEAD - select CRYPTO_SKCIPHER - select CRYPTO_NULL - select CRYPTO_RNG_DEFAULT select CRYPTO_MANAGER + select CRYPTO_RNG_DEFAULT + +config CRYPTO_SEQIV + tristate "Sequence Number IV Generator" + select CRYPTO_GENIV help Sequence Number IV generator @@ -850,10 +837,7 @@ config CRYPTO_SEQIV config CRYPTO_ECHAINIV tristate "Encrypted Chain IV Generator" - select CRYPTO_AEAD - select CRYPTO_NULL - select CRYPTO_RNG_DEFAULT - select CRYPTO_MANAGER + select CRYPTO_GENIV help Encrypted Chain IV generator @@ -897,6 +881,7 @@ menu "Hashes, digests, and MACs" config CRYPTO_BLAKE2B tristate "BLAKE2b" select CRYPTO_HASH + select CRYPTO_LIB_BLAKE2B help BLAKE2b cryptographic hash function (RFC 7693) @@ -947,8 +932,9 @@ config CRYPTO_MD4 config CRYPTO_MD5 tristate "MD5" select CRYPTO_HASH + select CRYPTO_LIB_MD5 help - MD5 message digest algorithm (RFC1321) + MD5 message digest algorithm (RFC1321), including HMAC support. config CRYPTO_MICHAEL_MIC tristate "Michael MIC" @@ -962,27 +948,6 @@ config CRYPTO_MICHAEL_MIC This algorithm is required for TKIP, but it should not be used for other purposes because of the weakness of the algorithm. -config CRYPTO_POLYVAL - tristate - select CRYPTO_HASH - select CRYPTO_LIB_GF128MUL - help - POLYVAL hash function for HCTR2 - - This is used in HCTR2. It is not a general-purpose - cryptographic hash function. - -config CRYPTO_POLY1305 - tristate "Poly1305" - select CRYPTO_HASH - select CRYPTO_LIB_POLY1305_GENERIC - help - Poly1305 authenticator algorithm (RFC7539) - - Poly1305 is an authenticator algorithm designed by Daniel J. Bernstein. - It is used for the ChaCha20-Poly1305 AEAD, specified in RFC7539 for use - in IETF protocols. This is the portable C implementation of Poly1305. - config CRYPTO_RMD160 tristate "RIPEMD-160" select CRYPTO_HASH @@ -1006,14 +971,16 @@ config CRYPTO_SHA1 select CRYPTO_HASH select CRYPTO_LIB_SHA1 help - SHA-1 secure hash algorithm (FIPS 180, ISO/IEC 10118-3) + SHA-1 secure hash algorithm (FIPS 180, ISO/IEC 10118-3), including + HMAC support. config CRYPTO_SHA256 tristate "SHA-224 and SHA-256" select CRYPTO_HASH select CRYPTO_LIB_SHA256 help - SHA-224 and SHA-256 secure hash algorithms (FIPS 180, ISO/IEC 10118-3) + SHA-224 and SHA-256 secure hash algorithms (FIPS 180, ISO/IEC + 10118-3), including HMAC support. This is required for IPsec AH (XFRM_AH) and IPsec ESP (XFRM_ESP). Used by the btrfs filesystem, Ceph, NFS, and SMB. @@ -1021,22 +988,22 @@ config CRYPTO_SHA256 config CRYPTO_SHA512 tristate "SHA-384 and SHA-512" select CRYPTO_HASH + select CRYPTO_LIB_SHA512 help - SHA-384 and SHA-512 secure hash algorithms (FIPS 180, ISO/IEC 10118-3) + SHA-384 and SHA-512 secure hash algorithms (FIPS 180, ISO/IEC + 10118-3), including HMAC support. config CRYPTO_SHA3 tristate "SHA-3" select CRYPTO_HASH + select CRYPTO_LIB_SHA3 help SHA-3 secure hash algorithms (FIPS 202, ISO/IEC 10118-3) -config CRYPTO_SM3 - tristate - config CRYPTO_SM3_GENERIC tristate "SM3 (ShangMi 3)" select CRYPTO_HASH - select CRYPTO_SM3 + select CRYPTO_LIB_SM3 help SM3 (ShangMi 3) secure hash function (OSCCA GM/T 0004-2012, ISO/IEC 10118-3) @@ -1060,16 +1027,6 @@ config CRYPTO_STREEBOG https://tc26.ru/upload/iblock/fed/feddbb4d26b685903faa2ba11aea43f6.pdf https://tools.ietf.org/html/rfc6986 -config CRYPTO_VMAC - tristate "VMAC" - select CRYPTO_HASH - select CRYPTO_MANAGER - help - VMAC is a message authentication algorithm designed for - very high speed on 64-bit architectures. - - See https://fastcrypto.org/vmac for further information. - config CRYPTO_WP512 tristate "Whirlpool" select CRYPTO_HASH @@ -1130,25 +1087,6 @@ config CRYPTO_CRC32 Used by RoCEv2 and f2fs. -config CRYPTO_CRCT10DIF - tristate "CRCT10DIF" - select CRYPTO_HASH - help - CRC16 CRC algorithm used for the T10 (SCSI) Data Integrity Field (DIF) - - CRC algorithm used by the SCSI Block Commands standard. - -config CRYPTO_CRC64_ROCKSOFT - tristate "CRC64 based on Rocksoft Model algorithm" - depends on CRC64 - select CRYPTO_HASH - help - CRC64 CRC algorithm based on the Rocksoft Model CRC Algorithm - - Used by the NVMe implementation of T10 DIF (BLK_DEV_INTEGRITY) - - See https://zlib.net/crc_v3.txt - endmenu menu "Compression" @@ -1223,17 +1161,6 @@ endmenu menu "Random number generation" -config CRYPTO_ANSI_CPRNG - tristate "ANSI PRNG (Pseudo Random Number Generator)" - select CRYPTO_AES - select CRYPTO_RNG - help - Pseudo RNG (random number generator) (ANSI X9.31 Appendix A.2.4) - - This uses the AES cipher algorithm. - - Note that this option must be enabled if CRYPTO_FIPS is selected - menuconfig CRYPTO_DRBG_MENU tristate "NIST SP800-90A DRBG (Deterministic Random Bit Generator)" help @@ -1259,8 +1186,7 @@ config CRYPTO_DRBG_HASH config CRYPTO_DRBG_CTR bool "CTR_DRBG" - select CRYPTO_AES - select CRYPTO_CTR + select CRYPTO_DF80090A help CTR_DRBG variant as defined in NIST SP800-90A. @@ -1277,21 +1203,130 @@ endif # if CRYPTO_DRBG_MENU config CRYPTO_JITTERENTROPY tristate "CPU Jitter Non-Deterministic RNG (Random Number Generator)" select CRYPTO_RNG + select CRYPTO_SHA3 help CPU Jitter RNG (Random Number Generator) from the Jitterentropy library A non-physical non-deterministic ("true") RNG (e.g., an entropy source compliant with NIST SP800-90B) intended to provide a seed to a - deterministic RNG (e.g. per NIST SP800-90C). + deterministic RNG (e.g., per NIST SP800-90C). This RNG does not perform any cryptographic whitening of the generated + random numbers. + + See https://www.chronox.de/jent/ + +if CRYPTO_JITTERENTROPY +if CRYPTO_FIPS && EXPERT + +choice + prompt "CPU Jitter RNG Memory Size" + default CRYPTO_JITTERENTROPY_MEMSIZE_2 + help + The Jitter RNG measures the execution time of memory accesses. + Multiple consecutive memory accesses are performed. If the memory + size fits into a cache (e.g. L1), only the memory access timing + to that cache is measured. The closer the cache is to the CPU + the less variations are measured and thus the less entropy is + obtained. Thus, if the memory size fits into the L1 cache, the + obtained entropy is less than if the memory size fits within + L1 + L2, which in turn is less if the memory fits into + L1 + L2 + L3. Thus, by selecting a different memory size, + the entropy rate produced by the Jitter RNG can be modified. + + config CRYPTO_JITTERENTROPY_MEMSIZE_2 + bool "2048 Bytes (default)" + + config CRYPTO_JITTERENTROPY_MEMSIZE_128 + bool "128 kBytes" + + config CRYPTO_JITTERENTROPY_MEMSIZE_1024 + bool "1024 kBytes" + + config CRYPTO_JITTERENTROPY_MEMSIZE_8192 + bool "8192 kBytes" +endchoice + +config CRYPTO_JITTERENTROPY_MEMORY_BLOCKS + int + default 64 if CRYPTO_JITTERENTROPY_MEMSIZE_2 + default 512 if CRYPTO_JITTERENTROPY_MEMSIZE_128 + default 1024 if CRYPTO_JITTERENTROPY_MEMSIZE_1024 + default 4096 if CRYPTO_JITTERENTROPY_MEMSIZE_8192 + +config CRYPTO_JITTERENTROPY_MEMORY_BLOCKSIZE + int + default 32 if CRYPTO_JITTERENTROPY_MEMSIZE_2 + default 256 if CRYPTO_JITTERENTROPY_MEMSIZE_128 + default 1024 if CRYPTO_JITTERENTROPY_MEMSIZE_1024 + default 2048 if CRYPTO_JITTERENTROPY_MEMSIZE_8192 + +config CRYPTO_JITTERENTROPY_OSR + int "CPU Jitter RNG Oversampling Rate" + range 1 15 + default 3 + help + The Jitter RNG allows the specification of an oversampling rate (OSR). + The Jitter RNG operation requires a fixed amount of timing + measurements to produce one output block of random numbers. The + OSR value is multiplied with the amount of timing measurements to + generate one output block. Thus, the timing measurement is oversampled + by the OSR factor. The oversampling allows the Jitter RNG to operate + on hardware whose timers deliver limited amount of entropy (e.g. + the timer is coarse) by setting the OSR to a higher value. The + trade-off, however, is that the Jitter RNG now requires more time + to generate random numbers. + +config CRYPTO_JITTERENTROPY_TESTINTERFACE + bool "CPU Jitter RNG Test Interface" + help + The test interface allows a privileged process to capture + the raw unconditioned high resolution time stamp noise that + is collected by the Jitter RNG for statistical analysis. As + this data is used at the same time to generate random bits, + the Jitter RNG operates in an insecure mode as long as the + recording is enabled. This interface therefore is only + intended for testing purposes and is not suitable for + production systems. + + The raw noise data can be obtained using the jent_raw_hires + debugfs file. Using the option + jitterentropy_testing.boot_raw_hires_test=1 the raw noise of + the first 1000 entropy events since boot can be sampled. + + If unsure, select N. + +endif # if CRYPTO_FIPS && EXPERT + +if !(CRYPTO_FIPS && EXPERT) + +config CRYPTO_JITTERENTROPY_MEMORY_BLOCKS + int + default 64 + +config CRYPTO_JITTERENTROPY_MEMORY_BLOCKSIZE + int + default 32 + +config CRYPTO_JITTERENTROPY_OSR + int + default 1 + +config CRYPTO_JITTERENTROPY_TESTINTERFACE + bool - See https://www.chronox.de/jent.html +endif # if !(CRYPTO_FIPS && EXPERT) +endif # if CRYPTO_JITTERENTROPY config CRYPTO_KDF800108_CTR tristate select CRYPTO_HMAC select CRYPTO_SHA256 +config CRYPTO_DF80090A + tristate + select CRYPTO_AES + select CRYPTO_CTR + endmenu menu "Userspace interface" @@ -1349,7 +1384,6 @@ config CRYPTO_USER_API_AEAD depends on NET select CRYPTO_AEAD select CRYPTO_SKCIPHER - select CRYPTO_NULL select CRYPTO_USER_API help Enable the userspace interface for AEAD cipher algorithms. @@ -1366,28 +1400,8 @@ config CRYPTO_USER_API_ENABLE_OBSOLETE already been phased out from internal use by the kernel, and are only useful for userspace clients that still rely on them. -config CRYPTO_STATS - bool "Crypto usage statistics" - depends on CRYPTO_USER - help - Enable the gathering of crypto stats. - - This collects data sizes, numbers of requests, and numbers - of errors processed by: - - AEAD ciphers (encrypt, decrypt) - - asymmetric key ciphers (encrypt, decrypt, verify, sign) - - symmetric key ciphers (encrypt, decrypt) - - compression algorithms (compress, decompress) - - hash algorithms (hash) - - key-agreement protocol primitives (setsecret, generate - public key, compute shared secret) - - RNG (generate, seed) - endmenu -config CRYPTO_HASH_INFO - bool - if !KMSAN # avoid false positives from assembly if ARM source "arch/arm/crypto/Kconfig" @@ -1404,6 +1418,9 @@ endif if PPC source "arch/powerpc/crypto/Kconfig" endif +if RISCV +source "arch/riscv/crypto/Kconfig" +endif if S390 source "arch/s390/crypto/Kconfig" endif @@ -1418,5 +1435,6 @@ endif source "drivers/crypto/Kconfig" source "crypto/asymmetric_keys/Kconfig" source "certs/Kconfig" +source "crypto/krb5/Kconfig" endif # if CRYPTO diff --git a/crypto/Makefile b/crypto/Makefile index d0126c915834..16a35649dd91 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -4,7 +4,7 @@ # obj-$(CONFIG_CRYPTO) += crypto.o -crypto-y := api.o cipher.o compress.o +crypto-y := api.o cipher.o obj-$(CONFIG_CRYPTO_ENGINE) += crypto_engine.o obj-$(CONFIG_CRYPTO_FIPS) += fips.o @@ -14,9 +14,16 @@ crypto_algapi-y := algapi.o scatterwalk.o $(crypto_algapi-y) obj-$(CONFIG_CRYPTO_ALGAPI2) += crypto_algapi.o obj-$(CONFIG_CRYPTO_AEAD2) += aead.o -obj-$(CONFIG_CRYPTO_AEAD2) += geniv.o +obj-$(CONFIG_CRYPTO_GENIV) += geniv.o + +crypto_skcipher-y += lskcipher.o +crypto_skcipher-y += skcipher.o + +obj-$(CONFIG_CRYPTO_SKCIPHER2) += crypto_skcipher.o +ifeq ($(CONFIG_BPF_SYSCALL),y) +obj-$(CONFIG_CRYPTO_SKCIPHER2) += bpf_crypto_skcipher.o +endif -obj-$(CONFIG_CRYPTO_SKCIPHER2) += skcipher.o obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o obj-$(CONFIG_CRYPTO_ECHAINIV) += echainiv.o @@ -25,7 +32,9 @@ crypto_hash-y += shash.o obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o obj-$(CONFIG_CRYPTO_AKCIPHER2) += akcipher.o +obj-$(CONFIG_CRYPTO_SIG2) += sig.o obj-$(CONFIG_CRYPTO_KPP2) += kpp.o +obj-$(CONFIG_CRYPTO_HKDF) += hkdf.o dh_generic-y := dh.o dh_generic-y += dh_helper.o @@ -40,19 +49,14 @@ rsa_generic-y += rsaprivkey.asn1.o rsa_generic-y += rsa.o rsa_generic-y += rsa_helper.o rsa_generic-y += rsa-pkcs1pad.o +rsa_generic-y += rsassa-pkcs1.o obj-$(CONFIG_CRYPTO_RSA) += rsa_generic.o -$(obj)/sm2signature.asn1.o: $(obj)/sm2signature.asn1.c $(obj)/sm2signature.asn1.h -$(obj)/sm2.o: $(obj)/sm2signature.asn1.h - -sm2_generic-y += sm2signature.asn1.o -sm2_generic-y += sm2.o - -obj-$(CONFIG_CRYPTO_SM2) += sm2_generic.o - $(obj)/ecdsasignature.asn1.o: $(obj)/ecdsasignature.asn1.c $(obj)/ecdsasignature.asn1.h -$(obj)/ecdsa.o: $(obj)/ecdsasignature.asn1.h +$(obj)/ecdsa-x962.o: $(obj)/ecdsasignature.asn1.h ecdsa_generic-y += ecdsa.o +ecdsa_generic-y += ecdsa-x962.o +ecdsa_generic-y += ecdsa-p1363.o ecdsa_generic-y += ecdsasignature.asn1.o obj-$(CONFIG_CRYPTO_ECDSA) += ecdsa_generic.o @@ -64,30 +68,24 @@ cryptomgr-y := algboss.o testmgr.o obj-$(CONFIG_CRYPTO_MANAGER2) += cryptomgr.o obj-$(CONFIG_CRYPTO_USER) += crypto_user.o -crypto_user-y := crypto_user_base.o -crypto_user-$(CONFIG_CRYPTO_STATS) += crypto_user_stat.o obj-$(CONFIG_CRYPTO_CMAC) += cmac.o obj-$(CONFIG_CRYPTO_HMAC) += hmac.o -obj-$(CONFIG_CRYPTO_VMAC) += vmac.o obj-$(CONFIG_CRYPTO_XCBC) += xcbc.o -obj-$(CONFIG_CRYPTO_NULL2) += crypto_null.o +obj-$(CONFIG_CRYPTO_NULL) += crypto_null.o obj-$(CONFIG_CRYPTO_MD4) += md4.o obj-$(CONFIG_CRYPTO_MD5) += md5.o obj-$(CONFIG_CRYPTO_RMD160) += rmd160.o -obj-$(CONFIG_CRYPTO_SHA1) += sha1_generic.o -obj-$(CONFIG_CRYPTO_SHA256) += sha256_generic.o -obj-$(CONFIG_CRYPTO_SHA512) += sha512_generic.o -obj-$(CONFIG_CRYPTO_SHA3) += sha3_generic.o -obj-$(CONFIG_CRYPTO_SM3) += sm3.o +obj-$(CONFIG_CRYPTO_SHA1) += sha1.o +obj-$(CONFIG_CRYPTO_SHA256) += sha256.o +obj-$(CONFIG_CRYPTO_SHA512) += sha512.o +obj-$(CONFIG_CRYPTO_SHA3) += sha3.o obj-$(CONFIG_CRYPTO_SM3_GENERIC) += sm3_generic.o obj-$(CONFIG_CRYPTO_STREEBOG) += streebog_generic.o obj-$(CONFIG_CRYPTO_WP512) += wp512.o CFLAGS_wp512.o := $(call cc-option,-fno-schedule-insns) # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149 -obj-$(CONFIG_CRYPTO_BLAKE2B) += blake2b_generic.o -CFLAGS_blake2b_generic.o := -Wframe-larger-than=4096 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105930 +obj-$(CONFIG_CRYPTO_BLAKE2B) += blake2b.o obj-$(CONFIG_CRYPTO_ECB) += ecb.o obj-$(CONFIG_CRYPTO_CBC) += cbc.o -obj-$(CONFIG_CRYPTO_CFB) += cfb.o obj-$(CONFIG_CRYPTO_PCBC) += pcbc.o obj-$(CONFIG_CRYPTO_CTS) += cts.o obj-$(CONFIG_CRYPTO_LRW) += lrw.o @@ -95,7 +93,6 @@ obj-$(CONFIG_CRYPTO_XTS) += xts.o obj-$(CONFIG_CRYPTO_CTR) += ctr.o obj-$(CONFIG_CRYPTO_XCTR) += xctr.o obj-$(CONFIG_CRYPTO_HCTR2) += hctr2.o -obj-$(CONFIG_CRYPTO_KEYWRAP) += keywrap.o obj-$(CONFIG_CRYPTO_ADIANTUM) += adiantum.o obj-$(CONFIG_CRYPTO_NHPOLY1305) += nhpoly1305.o obj-$(CONFIG_CRYPTO_GCM) += gcm.o @@ -149,41 +146,39 @@ obj-$(CONFIG_CRYPTO_KHAZAD) += khazad.o obj-$(CONFIG_CRYPTO_ANUBIS) += anubis.o obj-$(CONFIG_CRYPTO_SEED) += seed.o obj-$(CONFIG_CRYPTO_ARIA) += aria_generic.o -obj-$(CONFIG_CRYPTO_CHACHA20) += chacha_generic.o -obj-$(CONFIG_CRYPTO_POLY1305) += poly1305_generic.o +obj-$(CONFIG_CRYPTO_CHACHA20) += chacha.o +CFLAGS_chacha.o += -DARCH=$(ARCH) obj-$(CONFIG_CRYPTO_DEFLATE) += deflate.o obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += michael_mic.o -obj-$(CONFIG_CRYPTO_CRC32C) += crc32c_generic.o -obj-$(CONFIG_CRYPTO_CRC32) += crc32_generic.o -obj-$(CONFIG_CRYPTO_CRCT10DIF) += crct10dif_common.o crct10dif_generic.o -obj-$(CONFIG_CRYPTO_CRC64_ROCKSOFT) += crc64_rocksoft_generic.o +obj-$(CONFIG_CRYPTO_CRC32C) += crc32c-cryptoapi.o +crc32c-cryptoapi-y := crc32c.o +obj-$(CONFIG_CRYPTO_CRC32) += crc32-cryptoapi.o +crc32-cryptoapi-y := crc32.o obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o authencesn.o +obj-$(CONFIG_CRYPTO_KRB5ENC) += krb5enc.o obj-$(CONFIG_CRYPTO_LZO) += lzo.o lzo-rle.o obj-$(CONFIG_CRYPTO_LZ4) += lz4.o obj-$(CONFIG_CRYPTO_LZ4HC) += lz4hc.o obj-$(CONFIG_CRYPTO_XXHASH) += xxhash_generic.o obj-$(CONFIG_CRYPTO_842) += 842.o obj-$(CONFIG_CRYPTO_RNG2) += rng.o -obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o obj-$(CONFIG_CRYPTO_DRBG) += drbg.o obj-$(CONFIG_CRYPTO_JITTERENTROPY) += jitterentropy_rng.o CFLAGS_jitterentropy.o = -O0 KASAN_SANITIZE_jitterentropy.o = n UBSAN_SANITIZE_jitterentropy.o = n jitterentropy_rng-y := jitterentropy.o jitterentropy-kcapi.o -obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o +obj-$(CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE) += jitterentropy-testing.o +obj-$(CONFIG_CRYPTO_BENCHMARK) += tcrypt.o obj-$(CONFIG_CRYPTO_GHASH) += ghash-generic.o -obj-$(CONFIG_CRYPTO_POLYVAL) += polyval-generic.o obj-$(CONFIG_CRYPTO_USER_API) += af_alg.o obj-$(CONFIG_CRYPTO_USER_API_HASH) += algif_hash.o obj-$(CONFIG_CRYPTO_USER_API_SKCIPHER) += algif_skcipher.o obj-$(CONFIG_CRYPTO_USER_API_RNG) += algif_rng.o obj-$(CONFIG_CRYPTO_USER_API_AEAD) += algif_aead.o obj-$(CONFIG_CRYPTO_ZSTD) += zstd.o -obj-$(CONFIG_CRYPTO_OFB) += ofb.o obj-$(CONFIG_CRYPTO_ECC) += ecc.o obj-$(CONFIG_CRYPTO_ESSIV) += essiv.o -obj-$(CONFIG_CRYPTO_CURVE25519) += curve25519-generic.o ecdh_generic-y += ecdh.o ecdh_generic-y += ecdh_helper.o @@ -203,7 +198,6 @@ obj-$(CONFIG_CRYPTO_ECRDSA) += ecrdsa_generic.o obj-$(CONFIG_XOR_BLOCKS) += xor.o obj-$(CONFIG_ASYNC_CORE) += async_tx/ obj-$(CONFIG_ASYMMETRIC_KEY_TYPE) += asymmetric_keys/ -obj-$(CONFIG_CRYPTO_HASH_INFO) += hash_info.o crypto_simd-y := simd.o obj-$(CONFIG_CRYPTO_SIMD) += crypto_simd.o @@ -211,3 +205,7 @@ obj-$(CONFIG_CRYPTO_SIMD) += crypto_simd.o # Key derivation function # obj-$(CONFIG_CRYPTO_KDF800108_CTR) += kdf_sp800108.o + +obj-$(CONFIG_CRYPTO_DF80090A) += df_sp80090a.o + +obj-$(CONFIG_CRYPTO_KRB5) += krb5/ diff --git a/crypto/acompress.c b/crypto/acompress.c index 1c682810a484..be28cbfd22e3 100644 --- a/crypto/acompress.c +++ b/crypto/acompress.c @@ -8,21 +8,36 @@ */ #include <crypto/internal/acompress.h> +#include <crypto/scatterwalk.h> #include <linux/cryptouser.h> -#include <linux/errno.h> +#include <linux/cpumask.h> +#include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/percpu.h> +#include <linux/scatterlist.h> +#include <linux/sched.h> #include <linux/seq_file.h> -#include <linux/slab.h> +#include <linux/smp.h> +#include <linux/spinlock.h> #include <linux/string.h> +#include <linux/workqueue.h> #include <net/netlink.h> #include "compress.h" struct crypto_scomp; +enum { + ACOMP_WALK_SLEEP = 1 << 0, + ACOMP_WALK_SRC_LINEAR = 1 << 1, + ACOMP_WALK_DST_LINEAR = 1 << 2, +}; + static const struct crypto_type crypto_acomp_type; +static void acomp_reqchain_done(void *data, int err); + static inline struct acomp_alg *__crypto_acomp_alg(struct crypto_alg *alg) { return container_of(alg, struct acomp_alg, calg.base); @@ -58,29 +73,54 @@ static void crypto_acomp_exit_tfm(struct crypto_tfm *tfm) struct crypto_acomp *acomp = __crypto_acomp_tfm(tfm); struct acomp_alg *alg = crypto_acomp_alg(acomp); - alg->exit(acomp); + if (alg->exit) + alg->exit(acomp); + + if (acomp_is_async(acomp)) + crypto_free_acomp(crypto_acomp_fb(acomp)); } static int crypto_acomp_init_tfm(struct crypto_tfm *tfm) { struct crypto_acomp *acomp = __crypto_acomp_tfm(tfm); struct acomp_alg *alg = crypto_acomp_alg(acomp); + struct crypto_acomp *fb = NULL; + int err; if (tfm->__crt_alg->cra_type != &crypto_acomp_type) return crypto_init_scomp_ops_async(tfm); + if (acomp_is_async(acomp)) { + fb = crypto_alloc_acomp(crypto_acomp_alg_name(acomp), 0, + CRYPTO_ALG_ASYNC); + if (IS_ERR(fb)) + return PTR_ERR(fb); + + err = -EINVAL; + if (crypto_acomp_reqsize(fb) > MAX_SYNC_COMP_REQSIZE) + goto out_free_fb; + + tfm->fb = crypto_acomp_tfm(fb); + } + acomp->compress = alg->compress; acomp->decompress = alg->decompress; - acomp->dst_free = alg->dst_free; - acomp->reqsize = alg->reqsize; + acomp->reqsize = alg->base.cra_reqsize; - if (alg->exit) - acomp->base.exit = crypto_acomp_exit_tfm; + acomp->base.exit = crypto_acomp_exit_tfm; - if (alg->init) - return alg->init(acomp); + if (!alg->init) + return 0; + + err = alg->init(acomp); + if (err) + goto out_free_fb; return 0; + +out_free_fb: + crypto_free_acomp(fb); + return err; } static unsigned int crypto_acomp_extsize(struct crypto_alg *alg) @@ -93,32 +133,6 @@ static unsigned int crypto_acomp_extsize(struct crypto_alg *alg) return extsize; } -static inline int __crypto_acomp_report_stat(struct sk_buff *skb, - struct crypto_alg *alg) -{ - struct comp_alg_common *calg = __crypto_comp_alg_common(alg); - struct crypto_istat_compress *istat = comp_get_stat(calg); - struct crypto_stat_compress racomp; - - memset(&racomp, 0, sizeof(racomp)); - - strscpy(racomp.type, "acomp", sizeof(racomp.type)); - racomp.stat_compress_cnt = atomic64_read(&istat->compress_cnt); - racomp.stat_compress_tlen = atomic64_read(&istat->compress_tlen); - racomp.stat_decompress_cnt = atomic64_read(&istat->decompress_cnt); - racomp.stat_decompress_tlen = atomic64_read(&istat->decompress_tlen); - racomp.stat_err_cnt = atomic64_read(&istat->err_cnt); - - return nla_put(skb, CRYPTOCFGA_STAT_ACOMP, sizeof(racomp), &racomp); -} - -#ifdef CONFIG_CRYPTO_STATS -int crypto_acomp_report_stat(struct sk_buff *skb, struct crypto_alg *alg) -{ - return __crypto_acomp_report_stat(skb, alg); -} -#endif - static const struct crypto_type crypto_acomp_type = { .extsize = crypto_acomp_extsize, .init_tfm = crypto_acomp_init_tfm, @@ -128,13 +142,11 @@ static const struct crypto_type crypto_acomp_type = { #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_acomp_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_acomp_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_ACOMPRESS_MASK, .type = CRYPTO_ALG_TYPE_ACOMPRESS, .tfmsize = offsetof(struct crypto_acomp, base), + .algsize = offsetof(struct acomp_alg, base), }; struct crypto_acomp *crypto_alloc_acomp(const char *alg_name, u32 type, @@ -152,45 +164,152 @@ struct crypto_acomp *crypto_alloc_acomp_node(const char *alg_name, u32 type, } EXPORT_SYMBOL_GPL(crypto_alloc_acomp_node); -struct acomp_req *acomp_request_alloc(struct crypto_acomp *acomp) +static void acomp_save_req(struct acomp_req *req, crypto_completion_t cplt) +{ + struct acomp_req_chain *state = &req->chain; + + state->compl = req->base.complete; + state->data = req->base.data; + req->base.complete = cplt; + req->base.data = state; +} + +static void acomp_restore_req(struct acomp_req *req) { - struct crypto_tfm *tfm = crypto_acomp_tfm(acomp); - struct acomp_req *req; + struct acomp_req_chain *state = req->base.data; - req = __acomp_request_alloc(acomp); - if (req && (tfm->__crt_alg->cra_type != &crypto_acomp_type)) - return crypto_acomp_scomp_alloc_ctx(req); + req->base.complete = state->compl; + req->base.data = state->data; +} - return req; +static void acomp_reqchain_virt(struct acomp_req *req) +{ + struct acomp_req_chain *state = &req->chain; + unsigned int slen = req->slen; + unsigned int dlen = req->dlen; + + if (state->flags & CRYPTO_ACOMP_REQ_SRC_VIRT) + acomp_request_set_src_dma(req, state->src, slen); + if (state->flags & CRYPTO_ACOMP_REQ_DST_VIRT) + acomp_request_set_dst_dma(req, state->dst, dlen); } -EXPORT_SYMBOL_GPL(acomp_request_alloc); -void acomp_request_free(struct acomp_req *req) +static void acomp_virt_to_sg(struct acomp_req *req) { - struct crypto_acomp *acomp = crypto_acomp_reqtfm(req); - struct crypto_tfm *tfm = crypto_acomp_tfm(acomp); + struct acomp_req_chain *state = &req->chain; - if (tfm->__crt_alg->cra_type != &crypto_acomp_type) - crypto_acomp_scomp_free_ctx(req); + state->flags = req->base.flags & (CRYPTO_ACOMP_REQ_SRC_VIRT | + CRYPTO_ACOMP_REQ_DST_VIRT); - if (req->flags & CRYPTO_ACOMP_ALLOC_OUTPUT) { - acomp->dst_free(req->dst); - req->dst = NULL; + if (acomp_request_src_isvirt(req)) { + unsigned int slen = req->slen; + const u8 *svirt = req->svirt; + + state->src = svirt; + sg_init_one(&state->ssg, svirt, slen); + acomp_request_set_src_sg(req, &state->ssg, slen); + } + + if (acomp_request_dst_isvirt(req)) { + unsigned int dlen = req->dlen; + u8 *dvirt = req->dvirt; + + state->dst = dvirt; + sg_init_one(&state->dsg, dvirt, dlen); + acomp_request_set_dst_sg(req, &state->dsg, dlen); } +} + +static int acomp_do_nondma(struct acomp_req *req, bool comp) +{ + ACOMP_FBREQ_ON_STACK(fbreq, req); + int err; + + if (comp) + err = crypto_acomp_compress(fbreq); + else + err = crypto_acomp_decompress(fbreq); + + req->dlen = fbreq->dlen; + return err; +} + +static int acomp_do_one_req(struct acomp_req *req, bool comp) +{ + if (acomp_request_isnondma(req)) + return acomp_do_nondma(req, comp); + + acomp_virt_to_sg(req); + return comp ? crypto_acomp_reqtfm(req)->compress(req) : + crypto_acomp_reqtfm(req)->decompress(req); +} + +static int acomp_reqchain_finish(struct acomp_req *req, int err) +{ + acomp_reqchain_virt(req); + acomp_restore_req(req); + return err; +} + +static void acomp_reqchain_done(void *data, int err) +{ + struct acomp_req *req = data; + crypto_completion_t compl; + + compl = req->chain.compl; + data = req->chain.data; + + if (err == -EINPROGRESS) + goto notify; + + err = acomp_reqchain_finish(req, err); + +notify: + compl(data, err); +} + +static int acomp_do_req_chain(struct acomp_req *req, bool comp) +{ + int err; + + acomp_save_req(req, acomp_reqchain_done); + + err = acomp_do_one_req(req, comp); + if (err == -EBUSY || err == -EINPROGRESS) + return err; + + return acomp_reqchain_finish(req, err); +} + +int crypto_acomp_compress(struct acomp_req *req) +{ + struct crypto_acomp *tfm = crypto_acomp_reqtfm(req); + + if (acomp_req_on_stack(req) && acomp_is_async(tfm)) + return -EAGAIN; + if (crypto_acomp_req_virt(tfm) || acomp_request_issg(req)) + return crypto_acomp_reqtfm(req)->compress(req); + return acomp_do_req_chain(req, true); +} +EXPORT_SYMBOL_GPL(crypto_acomp_compress); + +int crypto_acomp_decompress(struct acomp_req *req) +{ + struct crypto_acomp *tfm = crypto_acomp_reqtfm(req); - __acomp_request_free(req); + if (acomp_req_on_stack(req) && acomp_is_async(tfm)) + return -EAGAIN; + if (crypto_acomp_req_virt(tfm) || acomp_request_issg(req)) + return crypto_acomp_reqtfm(req)->decompress(req); + return acomp_do_req_chain(req, false); } -EXPORT_SYMBOL_GPL(acomp_request_free); +EXPORT_SYMBOL_GPL(crypto_acomp_decompress); void comp_prepare_alg(struct comp_alg_common *alg) { - struct crypto_istat_compress *istat = comp_get_stat(alg); struct crypto_alg *base = &alg->base; base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - memset(istat, 0, sizeof(*istat)); } int crypto_register_acomp(struct acomp_alg *alg) @@ -241,5 +360,229 @@ void crypto_unregister_acomps(struct acomp_alg *algs, int count) } EXPORT_SYMBOL_GPL(crypto_unregister_acomps); +static void acomp_stream_workfn(struct work_struct *work) +{ + struct crypto_acomp_streams *s = + container_of(work, struct crypto_acomp_streams, stream_work); + struct crypto_acomp_stream __percpu *streams = s->streams; + int cpu; + + for_each_cpu(cpu, &s->stream_want) { + struct crypto_acomp_stream *ps; + void *ctx; + + ps = per_cpu_ptr(streams, cpu); + if (ps->ctx) + continue; + + ctx = s->alloc_ctx(); + if (IS_ERR(ctx)) + break; + + spin_lock_bh(&ps->lock); + ps->ctx = ctx; + spin_unlock_bh(&ps->lock); + + cpumask_clear_cpu(cpu, &s->stream_want); + } +} + +void crypto_acomp_free_streams(struct crypto_acomp_streams *s) +{ + struct crypto_acomp_stream __percpu *streams = s->streams; + void (*free_ctx)(void *); + int i; + + s->streams = NULL; + if (!streams) + return; + + cancel_work_sync(&s->stream_work); + free_ctx = s->free_ctx; + + for_each_possible_cpu(i) { + struct crypto_acomp_stream *ps = per_cpu_ptr(streams, i); + + if (!ps->ctx) + continue; + + free_ctx(ps->ctx); + } + + free_percpu(streams); +} +EXPORT_SYMBOL_GPL(crypto_acomp_free_streams); + +int crypto_acomp_alloc_streams(struct crypto_acomp_streams *s) +{ + struct crypto_acomp_stream __percpu *streams; + struct crypto_acomp_stream *ps; + unsigned int i; + void *ctx; + + if (s->streams) + return 0; + + streams = alloc_percpu(struct crypto_acomp_stream); + if (!streams) + return -ENOMEM; + + ctx = s->alloc_ctx(); + if (IS_ERR(ctx)) { + free_percpu(streams); + return PTR_ERR(ctx); + } + + i = cpumask_first(cpu_possible_mask); + ps = per_cpu_ptr(streams, i); + ps->ctx = ctx; + + for_each_possible_cpu(i) { + ps = per_cpu_ptr(streams, i); + spin_lock_init(&ps->lock); + } + + s->streams = streams; + + INIT_WORK(&s->stream_work, acomp_stream_workfn); + return 0; +} +EXPORT_SYMBOL_GPL(crypto_acomp_alloc_streams); + +struct crypto_acomp_stream *crypto_acomp_lock_stream_bh( + struct crypto_acomp_streams *s) __acquires(stream) +{ + struct crypto_acomp_stream __percpu *streams = s->streams; + int cpu = raw_smp_processor_id(); + struct crypto_acomp_stream *ps; + + ps = per_cpu_ptr(streams, cpu); + spin_lock_bh(&ps->lock); + if (likely(ps->ctx)) + return ps; + spin_unlock(&ps->lock); + + cpumask_set_cpu(cpu, &s->stream_want); + schedule_work(&s->stream_work); + + ps = per_cpu_ptr(streams, cpumask_first(cpu_possible_mask)); + spin_lock(&ps->lock); + return ps; +} +EXPORT_SYMBOL_GPL(crypto_acomp_lock_stream_bh); + +void acomp_walk_done_src(struct acomp_walk *walk, int used) +{ + walk->slen -= used; + if ((walk->flags & ACOMP_WALK_SRC_LINEAR)) + scatterwalk_advance(&walk->in, used); + else + scatterwalk_done_src(&walk->in, used); + + if ((walk->flags & ACOMP_WALK_SLEEP)) + cond_resched(); +} +EXPORT_SYMBOL_GPL(acomp_walk_done_src); + +void acomp_walk_done_dst(struct acomp_walk *walk, int used) +{ + walk->dlen -= used; + if ((walk->flags & ACOMP_WALK_DST_LINEAR)) + scatterwalk_advance(&walk->out, used); + else + scatterwalk_done_dst(&walk->out, used); + + if ((walk->flags & ACOMP_WALK_SLEEP)) + cond_resched(); +} +EXPORT_SYMBOL_GPL(acomp_walk_done_dst); + +int acomp_walk_next_src(struct acomp_walk *walk) +{ + unsigned int slen = walk->slen; + unsigned int max = UINT_MAX; + + if (!preempt_model_preemptible() && (walk->flags & ACOMP_WALK_SLEEP)) + max = PAGE_SIZE; + if ((walk->flags & ACOMP_WALK_SRC_LINEAR)) { + walk->in.__addr = (void *)(((u8 *)walk->in.sg) + + walk->in.offset); + return min(slen, max); + } + + return slen ? scatterwalk_next(&walk->in, slen) : 0; +} +EXPORT_SYMBOL_GPL(acomp_walk_next_src); + +int acomp_walk_next_dst(struct acomp_walk *walk) +{ + unsigned int dlen = walk->dlen; + unsigned int max = UINT_MAX; + + if (!preempt_model_preemptible() && (walk->flags & ACOMP_WALK_SLEEP)) + max = PAGE_SIZE; + if ((walk->flags & ACOMP_WALK_DST_LINEAR)) { + walk->out.__addr = (void *)(((u8 *)walk->out.sg) + + walk->out.offset); + return min(dlen, max); + } + + return dlen ? scatterwalk_next(&walk->out, dlen) : 0; +} +EXPORT_SYMBOL_GPL(acomp_walk_next_dst); + +int acomp_walk_virt(struct acomp_walk *__restrict walk, + struct acomp_req *__restrict req, bool atomic) +{ + struct scatterlist *src = req->src; + struct scatterlist *dst = req->dst; + + walk->slen = req->slen; + walk->dlen = req->dlen; + + if (!walk->slen || !walk->dlen) + return -EINVAL; + + walk->flags = 0; + if ((req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) && !atomic) + walk->flags |= ACOMP_WALK_SLEEP; + if ((req->base.flags & CRYPTO_ACOMP_REQ_SRC_VIRT)) + walk->flags |= ACOMP_WALK_SRC_LINEAR; + if ((req->base.flags & CRYPTO_ACOMP_REQ_DST_VIRT)) + walk->flags |= ACOMP_WALK_DST_LINEAR; + + if ((walk->flags & ACOMP_WALK_SRC_LINEAR)) { + walk->in.sg = (void *)req->svirt; + walk->in.offset = 0; + } else + scatterwalk_start(&walk->in, src); + if ((walk->flags & ACOMP_WALK_DST_LINEAR)) { + walk->out.sg = (void *)req->dvirt; + walk->out.offset = 0; + } else + scatterwalk_start(&walk->out, dst); + + return 0; +} +EXPORT_SYMBOL_GPL(acomp_walk_virt); + +struct acomp_req *acomp_request_clone(struct acomp_req *req, + size_t total, gfp_t gfp) +{ + struct acomp_req *nreq; + + nreq = container_of(crypto_request_clone(&req->base, total, gfp), + struct acomp_req, base); + if (nreq == req) + return req; + + if (req->src == &req->chain.ssg) + nreq->src = &nreq->chain.ssg; + if (req->dst == &req->chain.dsg) + nreq->dst = &nreq->chain.dsg; + return nreq; +} +EXPORT_SYMBOL_GPL(acomp_request_clone); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Asynchronous compression type"); diff --git a/crypto/adiantum.c b/crypto/adiantum.c index c33ba22a6638..a6bca877c3c7 100644 --- a/crypto/adiantum.c +++ b/crypto/adiantum.c @@ -245,10 +245,9 @@ static void adiantum_hash_header(struct skcipher_request *req) /* Hash the left-hand part (the "bulk") of the message using NHPoly1305 */ static int adiantum_hash_message(struct skcipher_request *req, - struct scatterlist *sgl, le128 *digest) + struct scatterlist *sgl, unsigned int nents, + le128 *digest) { - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - const struct adiantum_tfm_ctx *tctx = crypto_skcipher_ctx(tfm); struct adiantum_request_ctx *rctx = skcipher_request_ctx(req); const unsigned int bulk_len = req->cryptlen - BLOCKCIPHER_BLOCK_SIZE; struct shash_desc *hash_desc = &rctx->u.hash_desc; @@ -256,14 +255,11 @@ static int adiantum_hash_message(struct skcipher_request *req, unsigned int i, n; int err; - hash_desc->tfm = tctx->hash; - err = crypto_shash_init(hash_desc); if (err) return err; - sg_miter_start(&miter, sgl, sg_nents(sgl), - SG_MITER_FROM_SG | SG_MITER_ATOMIC); + sg_miter_start(&miter, sgl, nents, SG_MITER_FROM_SG | SG_MITER_ATOMIC); for (i = 0; i < bulk_len; i += n) { sg_miter_next(&miter); n = min_t(unsigned int, miter.length, bulk_len - i); @@ -285,6 +281,8 @@ static int adiantum_finish(struct skcipher_request *req) const struct adiantum_tfm_ctx *tctx = crypto_skcipher_ctx(tfm); struct adiantum_request_ctx *rctx = skcipher_request_ctx(req); const unsigned int bulk_len = req->cryptlen - BLOCKCIPHER_BLOCK_SIZE; + struct scatterlist *dst = req->dst; + const unsigned int dst_nents = sg_nents(dst); le128 digest; int err; @@ -298,13 +296,32 @@ static int adiantum_finish(struct skcipher_request *req) * enc: C_R = C_M - H_{K_H}(T, C_L) * dec: P_R = P_M - H_{K_H}(T, P_L) */ - err = adiantum_hash_message(req, req->dst, &digest); - if (err) - return err; - le128_add(&digest, &digest, &rctx->header_hash); - le128_sub(&rctx->rbuf.bignum, &rctx->rbuf.bignum, &digest); - scatterwalk_map_and_copy(&rctx->rbuf.bignum, req->dst, - bulk_len, BLOCKCIPHER_BLOCK_SIZE, 1); + rctx->u.hash_desc.tfm = tctx->hash; + le128_sub(&rctx->rbuf.bignum, &rctx->rbuf.bignum, &rctx->header_hash); + if (dst_nents == 1 && dst->offset + req->cryptlen <= PAGE_SIZE) { + /* Fast path for single-page destination */ + struct page *page = sg_page(dst); + void *virt = kmap_local_page(page) + dst->offset; + + err = crypto_shash_digest(&rctx->u.hash_desc, virt, bulk_len, + (u8 *)&digest); + if (err) { + kunmap_local(virt); + return err; + } + le128_sub(&rctx->rbuf.bignum, &rctx->rbuf.bignum, &digest); + memcpy(virt + bulk_len, &rctx->rbuf.bignum, sizeof(le128)); + flush_dcache_page(page); + kunmap_local(virt); + } else { + /* Slow path that works for any destination scatterlist */ + err = adiantum_hash_message(req, dst, dst_nents, &digest); + if (err) + return err; + le128_sub(&rctx->rbuf.bignum, &rctx->rbuf.bignum, &digest); + scatterwalk_map_and_copy(&rctx->rbuf.bignum, dst, + bulk_len, sizeof(le128), 1); + } return 0; } @@ -324,6 +341,8 @@ static int adiantum_crypt(struct skcipher_request *req, bool enc) const struct adiantum_tfm_ctx *tctx = crypto_skcipher_ctx(tfm); struct adiantum_request_ctx *rctx = skcipher_request_ctx(req); const unsigned int bulk_len = req->cryptlen - BLOCKCIPHER_BLOCK_SIZE; + struct scatterlist *src = req->src; + const unsigned int src_nents = sg_nents(src); unsigned int stream_len; le128 digest; int err; @@ -339,12 +358,24 @@ static int adiantum_crypt(struct skcipher_request *req, bool enc) * dec: C_M = C_R + H_{K_H}(T, C_L) */ adiantum_hash_header(req); - err = adiantum_hash_message(req, req->src, &digest); + rctx->u.hash_desc.tfm = tctx->hash; + if (src_nents == 1 && src->offset + req->cryptlen <= PAGE_SIZE) { + /* Fast path for single-page source */ + void *virt = kmap_local_page(sg_page(src)) + src->offset; + + err = crypto_shash_digest(&rctx->u.hash_desc, virt, bulk_len, + (u8 *)&digest); + memcpy(&rctx->rbuf.bignum, virt + bulk_len, sizeof(le128)); + kunmap_local(virt); + } else { + /* Slow path that works for any source scatterlist */ + err = adiantum_hash_message(req, src, src_nents, &digest); + scatterwalk_map_and_copy(&rctx->rbuf.bignum, src, + bulk_len, sizeof(le128), 0); + } if (err) return err; - le128_add(&digest, &digest, &rctx->header_hash); - scatterwalk_map_and_copy(&rctx->rbuf.bignum, req->src, - bulk_len, BLOCKCIPHER_BLOCK_SIZE, 0); + le128_add(&rctx->rbuf.bignum, &rctx->rbuf.bignum, &rctx->header_hash); le128_add(&rctx->rbuf.bignum, &rctx->rbuf.bignum, &digest); /* If encrypting, encrypt P_M with the block cipher to get C_M */ @@ -468,7 +499,7 @@ static void adiantum_free_instance(struct skcipher_instance *inst) * Check for a supported set of inner algorithms. * See the comment at the beginning of this file. */ -static bool adiantum_supported_algorithms(struct skcipher_alg *streamcipher_alg, +static bool adiantum_supported_algorithms(struct skcipher_alg_common *streamcipher_alg, struct crypto_alg *blockcipher_alg, struct shash_alg *hash_alg) { @@ -494,7 +525,7 @@ static int adiantum_create(struct crypto_template *tmpl, struct rtattr **tb) const char *nhpoly1305_name; struct skcipher_instance *inst; struct adiantum_instance_ctx *ictx; - struct skcipher_alg *streamcipher_alg; + struct skcipher_alg_common *streamcipher_alg; struct crypto_alg *blockcipher_alg; struct shash_alg *hash_alg; int err; @@ -514,7 +545,7 @@ static int adiantum_create(struct crypto_template *tmpl, struct rtattr **tb) crypto_attr_alg_name(tb[1]), 0, mask); if (err) goto err_free_inst; - streamcipher_alg = crypto_spawn_skcipher_alg(&ictx->streamcipher_spawn); + streamcipher_alg = crypto_spawn_skcipher_alg_common(&ictx->streamcipher_spawn); /* Block cipher, e.g. "aes" */ err = crypto_grab_cipher(&ictx->blockcipher_spawn, @@ -561,8 +592,7 @@ static int adiantum_create(struct crypto_template *tmpl, struct rtattr **tb) inst->alg.base.cra_blocksize = BLOCKCIPHER_BLOCK_SIZE; inst->alg.base.cra_ctxsize = sizeof(struct adiantum_tfm_ctx); - inst->alg.base.cra_alignmask = streamcipher_alg->base.cra_alignmask | - hash_alg->base.cra_alignmask; + inst->alg.base.cra_alignmask = streamcipher_alg->base.cra_alignmask; /* * The block cipher is only invoked once per message, so for long * messages (e.g. sectors for disk encryption) its performance doesn't @@ -578,8 +608,8 @@ static int adiantum_create(struct crypto_template *tmpl, struct rtattr **tb) inst->alg.decrypt = adiantum_decrypt; inst->alg.init = adiantum_init_tfm; inst->alg.exit = adiantum_exit_tfm; - inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(streamcipher_alg); - inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(streamcipher_alg); + inst->alg.min_keysize = streamcipher_alg->min_keysize; + inst->alg.max_keysize = streamcipher_alg->max_keysize; inst->alg.ivsize = TWEAK_SIZE; inst->free = adiantum_free_instance; @@ -609,11 +639,11 @@ static void __exit adiantum_module_exit(void) crypto_unregister_template(&adiantum_tmpl); } -subsys_initcall(adiantum_module_init); +module_init(adiantum_module_init); module_exit(adiantum_module_exit); MODULE_DESCRIPTION("Adiantum length-preserving encryption mode"); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>"); MODULE_ALIAS_CRYPTO("adiantum"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/aead.c b/crypto/aead.c index d5ba204ebdbf..08d44c5e5c33 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -16,19 +16,11 @@ #include <linux/slab.h> #include <linux/seq_file.h> #include <linux/string.h> +#include <linux/string_choices.h> #include <net/netlink.h> #include "internal.h" -static inline struct crypto_istat_aead *aead_get_stat(struct aead_alg *alg) -{ -#ifdef CONFIG_CRYPTO_STATS - return &alg->stat; -#else - return NULL; -#endif -} - static int setkey_unaligned(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) { @@ -45,8 +37,7 @@ static int setkey_unaligned(struct crypto_aead *tfm, const u8 *key, alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); memcpy(alignbuffer, key, keylen); ret = crypto_aead_alg(tfm)->setkey(tfm, alignbuffer, keylen); - memset(alignbuffer, 0, keylen); - kfree(buffer); + kfree_sensitive(buffer); return ret; } @@ -90,62 +81,28 @@ int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize) } EXPORT_SYMBOL_GPL(crypto_aead_setauthsize); -static inline int crypto_aead_errstat(struct crypto_istat_aead *istat, int err) -{ - if (!IS_ENABLED(CONFIG_CRYPTO_STATS)) - return err; - - if (err && err != -EINPROGRESS && err != -EBUSY) - atomic64_inc(&istat->err_cnt); - - return err; -} - int crypto_aead_encrypt(struct aead_request *req) { struct crypto_aead *aead = crypto_aead_reqtfm(req); - struct aead_alg *alg = crypto_aead_alg(aead); - struct crypto_istat_aead *istat; - int ret; - - istat = aead_get_stat(alg); - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) { - atomic64_inc(&istat->encrypt_cnt); - atomic64_add(req->cryptlen, &istat->encrypt_tlen); - } if (crypto_aead_get_flags(aead) & CRYPTO_TFM_NEED_KEY) - ret = -ENOKEY; - else - ret = alg->encrypt(req); + return -ENOKEY; - return crypto_aead_errstat(istat, ret); + return crypto_aead_alg(aead)->encrypt(req); } EXPORT_SYMBOL_GPL(crypto_aead_encrypt); int crypto_aead_decrypt(struct aead_request *req) { struct crypto_aead *aead = crypto_aead_reqtfm(req); - struct aead_alg *alg = crypto_aead_alg(aead); - struct crypto_istat_aead *istat; - int ret; - - istat = aead_get_stat(alg); - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) { - atomic64_inc(&istat->encrypt_cnt); - atomic64_add(req->cryptlen, &istat->encrypt_tlen); - } if (crypto_aead_get_flags(aead) & CRYPTO_TFM_NEED_KEY) - ret = -ENOKEY; - else if (req->cryptlen < crypto_aead_authsize(aead)) - ret = -EINVAL; - else - ret = alg->decrypt(req); + return -ENOKEY; + + if (req->cryptlen < crypto_aead_authsize(aead)) + return -EINVAL; - return crypto_aead_errstat(istat, ret); + return crypto_aead_alg(aead)->decrypt(req); } EXPORT_SYMBOL_GPL(crypto_aead_decrypt); @@ -163,6 +120,7 @@ static int crypto_aead_init_tfm(struct crypto_tfm *tfm) struct aead_alg *alg = crypto_aead_alg(aead); crypto_aead_set_flags(aead, CRYPTO_TFM_NEED_KEY); + crypto_aead_set_reqsize(aead, crypto_tfm_alg_reqsize(tfm)); aead->authsize = alg->maxauthsize; @@ -200,8 +158,8 @@ static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg) struct aead_alg *aead = container_of(alg, struct aead_alg, base); seq_printf(m, "type : aead\n"); - seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ? - "yes" : "no"); + seq_printf(m, "async : %s\n", + str_yes_no(alg->cra_flags & CRYPTO_ALG_ASYNC)); seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); seq_printf(m, "ivsize : %u\n", aead->ivsize); seq_printf(m, "maxauthsize : %u\n", aead->maxauthsize); @@ -215,26 +173,6 @@ static void crypto_aead_free_instance(struct crypto_instance *inst) aead->free(aead); } -static int __maybe_unused crypto_aead_report_stat( - struct sk_buff *skb, struct crypto_alg *alg) -{ - struct aead_alg *aead = container_of(alg, struct aead_alg, base); - struct crypto_istat_aead *istat = aead_get_stat(aead); - struct crypto_stat_aead raead; - - memset(&raead, 0, sizeof(raead)); - - strscpy(raead.type, "aead", sizeof(raead.type)); - - raead.stat_encrypt_cnt = atomic64_read(&istat->encrypt_cnt); - raead.stat_encrypt_tlen = atomic64_read(&istat->encrypt_tlen); - raead.stat_decrypt_cnt = atomic64_read(&istat->decrypt_cnt); - raead.stat_decrypt_tlen = atomic64_read(&istat->decrypt_tlen); - raead.stat_err_cnt = atomic64_read(&istat->err_cnt); - - return nla_put(skb, CRYPTOCFGA_STAT_AEAD, sizeof(raead), &raead); -} - static const struct crypto_type crypto_aead_type = { .extsize = crypto_alg_extsize, .init_tfm = crypto_aead_init_tfm, @@ -245,13 +183,11 @@ static const struct crypto_type crypto_aead_type = { #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_aead_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_aead_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_MASK, .type = CRYPTO_ALG_TYPE_AEAD, .tfmsize = offsetof(struct crypto_aead, base), + .algsize = offsetof(struct aead_alg, base), }; int crypto_grab_aead(struct crypto_aead_spawn *spawn, @@ -269,9 +205,33 @@ struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask) } EXPORT_SYMBOL_GPL(crypto_alloc_aead); +struct crypto_sync_aead *crypto_alloc_sync_aead(const char *alg_name, u32 type, u32 mask) +{ + struct crypto_aead *tfm; + + /* Only sync algorithms are allowed. */ + mask |= CRYPTO_ALG_ASYNC; + type &= ~(CRYPTO_ALG_ASYNC); + + tfm = crypto_alloc_tfm(alg_name, &crypto_aead_type, type, mask); + + if (!IS_ERR(tfm) && WARN_ON(crypto_aead_reqsize(tfm) > MAX_SYNC_AEAD_REQSIZE)) { + crypto_free_aead(tfm); + return ERR_PTR(-EINVAL); + } + + return (struct crypto_sync_aead *)tfm; +} +EXPORT_SYMBOL_GPL(crypto_alloc_sync_aead); + +int crypto_has_aead(const char *alg_name, u32 type, u32 mask) +{ + return crypto_type_has_alg(alg_name, &crypto_aead_type, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_has_aead); + static int aead_prepare_alg(struct aead_alg *alg) { - struct crypto_istat_aead *istat = aead_get_stat(alg); struct crypto_alg *base = &alg->base; if (max3(alg->maxauthsize, alg->ivsize, alg->chunksize) > @@ -285,9 +245,6 @@ static int aead_prepare_alg(struct aead_alg *alg) base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; base->cra_flags |= CRYPTO_ALG_TYPE_AEAD; - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - memset(istat, 0, sizeof(*istat)); - return 0; } diff --git a/crypto/aegis-neon.h b/crypto/aegis-neon.h new file mode 100644 index 000000000000..61e5614b45de --- /dev/null +++ b/crypto/aegis-neon.h @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#ifndef _AEGIS_NEON_H +#define _AEGIS_NEON_H + +void crypto_aegis128_init_neon(void *state, const void *key, const void *iv); +void crypto_aegis128_update_neon(void *state, const void *msg); +void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src, + unsigned int size); +void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src, + unsigned int size); +int crypto_aegis128_final_neon(void *state, void *tag_xor, + unsigned int assoclen, + unsigned int cryptlen, + unsigned int authsize); + +#endif diff --git a/crypto/aegis128-core.c b/crypto/aegis128-core.c index c4f1bfa1d04f..ca80d861345d 100644 --- a/crypto/aegis128-core.c +++ b/crypto/aegis128-core.c @@ -284,10 +284,9 @@ static void crypto_aegis128_process_ad(struct aegis_state *state, scatterwalk_start(&walk, sg_src); while (assoclen != 0) { - unsigned int size = scatterwalk_clamp(&walk, assoclen); + unsigned int size = scatterwalk_next(&walk, assoclen); + const u8 *src = walk.addr; unsigned int left = size; - void *mapped = scatterwalk_map(&walk); - const u8 *src = (const u8 *)mapped; if (pos + size >= AEGIS_BLOCK_SIZE) { if (pos > 0) { @@ -308,9 +307,7 @@ static void crypto_aegis128_process_ad(struct aegis_state *state, pos += left; assoclen -= size; - scatterwalk_unmap(mapped); - scatterwalk_advance(&walk, size); - scatterwalk_done(&walk, 0, assoclen); + scatterwalk_done_src(&walk, size); } if (pos > 0) { @@ -323,8 +320,9 @@ static __always_inline int crypto_aegis128_process_crypt(struct aegis_state *state, struct skcipher_walk *walk, void (*crypt)(struct aegis_state *state, - u8 *dst, const u8 *src, - unsigned int size)) + u8 *dst, + const u8 *src, + unsigned int size)) { int err = 0; @@ -515,7 +513,6 @@ static struct aead_alg crypto_aegis128_alg_generic = { .base.cra_blocksize = 1, .base.cra_ctxsize = sizeof(struct aegis_ctx), - .base.cra_alignmask = 0, .base.cra_priority = 100, .base.cra_name = "aegis128", .base.cra_driver_name = "aegis128-generic", @@ -534,7 +531,6 @@ static struct aead_alg crypto_aegis128_alg_simd = { .base.cra_blocksize = 1, .base.cra_ctxsize = sizeof(struct aegis_ctx), - .base.cra_alignmask = 0, .base.cra_priority = 200, .base.cra_name = "aegis128", .base.cra_driver_name = "aegis128-simd", @@ -570,7 +566,7 @@ static void __exit crypto_aegis128_module_exit(void) crypto_unregister_aead(&crypto_aegis128_alg_generic); } -subsys_initcall(crypto_aegis128_module_init); +module_init(crypto_aegis128_module_init); module_exit(crypto_aegis128_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/aegis128-neon-inner.c b/crypto/aegis128-neon-inner.c index 7de485907d81..b6a52a386b22 100644 --- a/crypto/aegis128-neon-inner.c +++ b/crypto/aegis128-neon-inner.c @@ -16,6 +16,7 @@ #define AEGIS_BLOCK_SIZE 16 #include <stddef.h> +#include "aegis-neon.h" extern int aegis128_have_aes_insn; diff --git a/crypto/aegis128-neon.c b/crypto/aegis128-neon.c index a7856915ec85..b41807e63bd3 100644 --- a/crypto/aegis128-neon.c +++ b/crypto/aegis128-neon.c @@ -4,20 +4,10 @@ */ #include <asm/cpufeature.h> -#include <asm/neon.h> +#include <asm/simd.h> #include "aegis.h" - -void crypto_aegis128_init_neon(void *state, const void *key, const void *iv); -void crypto_aegis128_update_neon(void *state, const void *msg); -void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src, - unsigned int size); -void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src, - unsigned int size); -int crypto_aegis128_final_neon(void *state, void *tag_xor, - unsigned int assoclen, - unsigned int cryptlen, - unsigned int authsize); +#include "aegis-neon.h" int aegis128_have_aes_insn __ro_after_init; @@ -34,32 +24,28 @@ void crypto_aegis128_init_simd(struct aegis_state *state, const union aegis_block *key, const u8 *iv) { - kernel_neon_begin(); - crypto_aegis128_init_neon(state, key, iv); - kernel_neon_end(); + scoped_ksimd() + crypto_aegis128_init_neon(state, key, iv); } void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg) { - kernel_neon_begin(); - crypto_aegis128_update_neon(state, msg); - kernel_neon_end(); + scoped_ksimd() + crypto_aegis128_update_neon(state, msg); } void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst, const u8 *src, unsigned int size) { - kernel_neon_begin(); - crypto_aegis128_encrypt_chunk_neon(state, dst, src, size); - kernel_neon_end(); + scoped_ksimd() + crypto_aegis128_encrypt_chunk_neon(state, dst, src, size); } void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst, const u8 *src, unsigned int size) { - kernel_neon_begin(); - crypto_aegis128_decrypt_chunk_neon(state, dst, src, size); - kernel_neon_end(); + scoped_ksimd() + crypto_aegis128_decrypt_chunk_neon(state, dst, src, size); } int crypto_aegis128_final_simd(struct aegis_state *state, @@ -68,12 +54,7 @@ int crypto_aegis128_final_simd(struct aegis_state *state, unsigned int cryptlen, unsigned int authsize) { - int ret; - - kernel_neon_begin(); - ret = crypto_aegis128_final_neon(state, tag_xor, assoclen, cryptlen, - authsize); - kernel_neon_end(); - - return ret; + scoped_ksimd() + return crypto_aegis128_final_neon(state, tag_xor, assoclen, + cryptlen, authsize); } diff --git a/crypto/aes_generic.c b/crypto/aes_generic.c index 666474b81c6a..85d2e78c8ef2 100644 --- a/crypto/aes_generic.c +++ b/crypto/aes_generic.c @@ -54,7 +54,7 @@ #include <linux/types.h> #include <linux/errno.h> #include <asm/byteorder.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> static inline u8 byte(const u32 x, const unsigned n) { @@ -1311,7 +1311,7 @@ static void __exit aes_fini(void) crypto_unregister_alg(&aes_alg); } -subsys_initcall(aes_init); +module_init(aes_init); module_exit(aes_fini); MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm"); diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 5f7252a5b7b4..e468714f539d 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -145,7 +145,7 @@ void af_alg_release_parent(struct sock *sk) } EXPORT_SYMBOL_GPL(af_alg_release_parent); -static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) +static int alg_bind(struct socket *sock, struct sockaddr_unsized *uaddr, int addr_len) { const u32 allowed = CRYPTO_ALG_KERN_DRIVER_ONLY; struct sock *sk = sock->sk; @@ -320,18 +320,21 @@ static int alg_setkey_by_key_serial(struct alg_sock *ask, sockptr_t optval, if (IS_ERR(ret)) { up_read(&key->sem); + key_put(key); return PTR_ERR(ret); } key_data = sock_kmalloc(&ask->sk, key_datalen, GFP_KERNEL); if (!key_data) { up_read(&key->sem); + key_put(key); return -ENOMEM; } memcpy(key_data, ret, key_datalen); up_read(&key->sem); + key_put(key); err = type->setkey(ask->private, key_data, key_datalen); @@ -404,7 +407,8 @@ unlock: return err; } -int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern) +int af_alg_accept(struct sock *sk, struct socket *newsock, + struct proto_accept_arg *arg) { struct alg_sock *ask = alg_sk(sk); const struct af_alg_type *type; @@ -419,7 +423,7 @@ int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern) if (!type) goto unlock; - sk2 = sk_alloc(sock_net(sk), PF_ALG, GFP_KERNEL, &alg_proto, kern); + sk2 = sk_alloc(sock_net(sk), PF_ALG, GFP_KERNEL, &alg_proto, arg->kern); err = -ENOMEM; if (!sk2) goto unlock; @@ -465,10 +469,10 @@ unlock: } EXPORT_SYMBOL_GPL(af_alg_accept); -static int alg_accept(struct socket *sock, struct socket *newsock, int flags, - bool kern) +static int alg_accept(struct socket *sock, struct socket *newsock, + struct proto_accept_arg *arg) { - return af_alg_accept(sock->sk, newsock, kern); + return af_alg_accept(sock->sk, newsock, arg); } static const struct proto_ops alg_proto_ops = { @@ -482,7 +486,6 @@ static const struct proto_ops alg_proto_ops = { .listen = sock_no_listen, .shutdown = sock_no_shutdown, .mmap = sock_no_mmap, - .sendpage = sock_no_sendpage, .sendmsg = sock_no_sendmsg, .recvmsg = sock_no_recvmsg, @@ -531,50 +534,25 @@ static const struct net_proto_family alg_family = { .owner = THIS_MODULE, }; -int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len) -{ - size_t off; - ssize_t n; - int npages, i; - - n = iov_iter_get_pages2(iter, sgl->pages, len, ALG_MAX_PAGES, &off); - if (n < 0) - return n; - - npages = DIV_ROUND_UP(off + n, PAGE_SIZE); - if (WARN_ON(npages == 0)) - return -EINVAL; - /* Add one extra for linking */ - sg_init_table(sgl->sg, npages + 1); - - for (i = 0, len = n; i < npages; i++) { - int plen = min_t(int, len, PAGE_SIZE - off); - - sg_set_page(sgl->sg + i, sgl->pages[i], plen, off); - - off = 0; - len -= plen; - } - sg_mark_end(sgl->sg + npages - 1); - sgl->npages = npages; - - return n; -} -EXPORT_SYMBOL_GPL(af_alg_make_sg); - static void af_alg_link_sg(struct af_alg_sgl *sgl_prev, struct af_alg_sgl *sgl_new) { - sg_unmark_end(sgl_prev->sg + sgl_prev->npages - 1); - sg_chain(sgl_prev->sg, sgl_prev->npages + 1, sgl_new->sg); + sg_unmark_end(sgl_prev->sgt.sgl + sgl_prev->sgt.nents - 1); + sg_chain(sgl_prev->sgt.sgl, sgl_prev->sgt.nents + 1, sgl_new->sgt.sgl); } void af_alg_free_sg(struct af_alg_sgl *sgl) { int i; - for (i = 0; i < sgl->npages; i++) - put_page(sgl->pages[i]); + if (sgl->sgt.sgl) { + if (sgl->need_unpin) + for (i = 0; i < sgl->sgt.nents; i++) + unpin_user_page(sg_page(&sgl->sgt.sgl[i])); + if (sgl->sgt.sgl != sgl->sgl) + kvfree(sgl->sgt.sgl); + sgl->sgt.sgl = NULL; + } } EXPORT_SYMBOL_GPL(af_alg_free_sg); @@ -870,7 +848,7 @@ void af_alg_wmem_wakeup(struct sock *sk) wake_up_interruptible_sync_poll(&wq->wait, EPOLLIN | EPOLLRDNORM | EPOLLRDBAND); - sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN); + sk_wake_async_rcu(sk, SOCK_WAKE_WAITD, POLL_IN); rcu_read_unlock(); } EXPORT_SYMBOL_GPL(af_alg_wmem_wakeup); @@ -937,7 +915,7 @@ static void af_alg_data_wakeup(struct sock *sk) wake_up_interruptible_sync_poll(&wq->wait, EPOLLOUT | EPOLLRDNORM | EPOLLRDBAND); - sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT); + sk_wake_async_rcu(sk, SOCK_WAKE_SPACE, POLL_OUT); rcu_read_unlock(); } @@ -992,6 +970,12 @@ int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size, } lock_sock(sk); + if (ctx->write) { + release_sock(sk); + return -EBUSY; + } + ctx->write = true; + if (ctx->init && !ctx->more) { if (ctx->used) { err = -EINVAL; @@ -1015,10 +999,10 @@ int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size, while (size) { struct scatterlist *sg; size_t len = size; - size_t plen; + ssize_t plen; /* use the existing memory in an allocated page */ - if (ctx->merge) { + if (ctx->merge && !(msg->msg_flags & MSG_SPLICE_PAGES)) { sgl = list_entry(ctx->tsgl_list.prev, struct af_alg_tsgl, list); sg = sgl->sg + sgl->cur - 1; @@ -1041,6 +1025,8 @@ int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size, continue; } + ctx->merge = 0; + if (!af_alg_writable(sk)) { err = af_alg_wait_for_wmem(sk, msg->msg_flags); if (err) @@ -1060,116 +1046,77 @@ int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size, if (sgl->cur) sg_unmark_end(sg + sgl->cur - 1); - do { - struct page *pg; - unsigned int i = sgl->cur; - - plen = min_t(size_t, len, PAGE_SIZE); - - pg = alloc_page(GFP_KERNEL); - if (!pg) { - err = -ENOMEM; + if (msg->msg_flags & MSG_SPLICE_PAGES) { + struct sg_table sgtable = { + .sgl = sg, + .nents = sgl->cur, + .orig_nents = sgl->cur, + }; + + plen = extract_iter_to_sg(&msg->msg_iter, len, &sgtable, + MAX_SGL_ENTS - sgl->cur, 0); + if (plen < 0) { + err = plen; goto unlock; } - sg_assign_page(sg + i, pg); - - err = memcpy_from_msg(page_address(sg_page(sg + i)), - msg, plen); - if (err) { - __free_page(sg_page(sg + i)); - sg_assign_page(sg + i, NULL); - goto unlock; - } - - sg[i].length = plen; + for (; sgl->cur < sgtable.nents; sgl->cur++) + get_page(sg_page(&sg[sgl->cur])); len -= plen; ctx->used += plen; copied += plen; size -= plen; - sgl->cur++; - } while (len && sgl->cur < MAX_SGL_ENTS); - - if (!size) - sg_mark_end(sg + sgl->cur - 1); - - ctx->merge = plen & (PAGE_SIZE - 1); - } + } else { + do { + struct page *pg; + unsigned int i = sgl->cur; - err = 0; + plen = min_t(size_t, len, PAGE_SIZE); - ctx->more = msg->msg_flags & MSG_MORE; - -unlock: - af_alg_data_wakeup(sk); - release_sock(sk); - - return copied ?: err; -} -EXPORT_SYMBOL_GPL(af_alg_sendmsg); + pg = alloc_page(GFP_KERNEL); + if (!pg) { + err = -ENOMEM; + goto unlock; + } -/** - * af_alg_sendpage - sendpage system call handler - * @sock: socket of connection to user space to write to - * @page: data to send - * @offset: offset into page to begin sending - * @size: length of data - * @flags: message send/receive flags - * - * This is a generic implementation of sendpage to fill ctx->tsgl_list. - */ -ssize_t af_alg_sendpage(struct socket *sock, struct page *page, - int offset, size_t size, int flags) -{ - struct sock *sk = sock->sk; - struct alg_sock *ask = alg_sk(sk); - struct af_alg_ctx *ctx = ask->private; - struct af_alg_tsgl *sgl; - int err = -EINVAL; + sg_assign_page(sg + i, pg); - if (flags & MSG_SENDPAGE_NOTLAST) - flags |= MSG_MORE; + err = memcpy_from_msg( + page_address(sg_page(sg + i)), + msg, plen); + if (err) { + __free_page(sg_page(sg + i)); + sg_assign_page(sg + i, NULL); + goto unlock; + } - lock_sock(sk); - if (!ctx->more && ctx->used) - goto unlock; + sg[i].length = plen; + len -= plen; + ctx->used += plen; + copied += plen; + size -= plen; + sgl->cur++; + } while (len && sgl->cur < MAX_SGL_ENTS); - if (!size) - goto done; + ctx->merge = plen & (PAGE_SIZE - 1); + } - if (!af_alg_writable(sk)) { - err = af_alg_wait_for_wmem(sk, flags); - if (err) - goto unlock; + if (!size) + sg_mark_end(sg + sgl->cur - 1); } - err = af_alg_alloc_tsgl(sk); - if (err) - goto unlock; - - ctx->merge = 0; - sgl = list_entry(ctx->tsgl_list.prev, struct af_alg_tsgl, list); - - if (sgl->cur) - sg_unmark_end(sgl->sg + sgl->cur - 1); - - sg_mark_end(sgl->sg + sgl->cur); - - get_page(page); - sg_set_page(sgl->sg + sgl->cur, page, size, offset); - sgl->cur++; - ctx->used += size; + err = 0; -done: - ctx->more = flags & MSG_MORE; + ctx->more = msg->msg_flags & MSG_MORE; unlock: af_alg_data_wakeup(sk); + ctx->write = false; release_sock(sk); - return err ?: size; + return copied ?: err; } -EXPORT_SYMBOL_GPL(af_alg_sendpage); +EXPORT_SYMBOL_GPL(af_alg_sendmsg); /** * af_alg_free_resources - release resources required for crypto request @@ -1178,9 +1125,13 @@ EXPORT_SYMBOL_GPL(af_alg_sendpage); void af_alg_free_resources(struct af_alg_async_req *areq) { struct sock *sk = areq->sk; + struct af_alg_ctx *ctx; af_alg_free_areq_sgls(areq); sock_kfree_s(sk, areq, areq->areqlen); + + ctx = alg_sk(sk)->private; + ctx->inflight = false; } EXPORT_SYMBOL_GPL(af_alg_free_resources); @@ -1250,17 +1201,25 @@ EXPORT_SYMBOL_GPL(af_alg_poll); struct af_alg_async_req *af_alg_alloc_areq(struct sock *sk, unsigned int areqlen) { - struct af_alg_async_req *areq = sock_kmalloc(sk, areqlen, GFP_KERNEL); + struct af_alg_ctx *ctx = alg_sk(sk)->private; + struct af_alg_async_req *areq; + /* Only one AIO request can be in flight. */ + if (ctx->inflight) + return ERR_PTR(-EBUSY); + + areq = sock_kmalloc(sk, areqlen, GFP_KERNEL); if (unlikely(!areq)) return ERR_PTR(-ENOMEM); + memset(areq, 0, areqlen); + + ctx->inflight = true; + areq->areqlen = areqlen; areq->sk = sk; - areq->last_rsgl = NULL; + areq->first_rsgl.sgl.sgt.sgl = areq->first_rsgl.sgl.sgl; INIT_LIST_HEAD(&areq->rsgl_list); - areq->tsgl = NULL; - areq->tsgl_entries = 0; return areq; } @@ -1288,8 +1247,8 @@ int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags, while (maxsize > len && msg_data_left(msg)) { struct af_alg_rsgl *rsgl; + ssize_t err; size_t seglen; - int err; /* limit the amount of readable buffers */ if (!af_alg_readable(sk)) @@ -1306,16 +1265,23 @@ int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags, return -ENOMEM; } - rsgl->sgl.npages = 0; + rsgl->sgl.need_unpin = + iov_iter_extract_will_pin(&msg->msg_iter); + rsgl->sgl.sgt.sgl = rsgl->sgl.sgl; + rsgl->sgl.sgt.nents = 0; + rsgl->sgl.sgt.orig_nents = 0; list_add_tail(&rsgl->list, &areq->rsgl_list); - /* make one iovec available as scatterlist */ - err = af_alg_make_sg(&rsgl->sgl, &msg->msg_iter, seglen); + sg_init_table(rsgl->sgl.sgt.sgl, ALG_MAX_PAGES); + err = extract_iter_to_sg(&msg->msg_iter, seglen, &rsgl->sgl.sgt, + ALG_MAX_PAGES, 0); if (err < 0) { rsgl->sg_num_bytes = 0; return err; } + sg_mark_end(rsgl->sgl.sgt.sgl + rsgl->sgl.sgt.nents - 1); + /* chain the new scatterlist with previous one */ if (areq->last_rsgl) af_alg_link_sg(&areq->last_rsgl->sgl, &rsgl->sgl); @@ -1358,5 +1324,6 @@ static void __exit af_alg_exit(void) module_init(af_alg_init); module_exit(af_alg_exit); +MODULE_DESCRIPTION("Crypto userspace interface"); MODULE_LICENSE("GPL"); MODULE_ALIAS_NETPROTO(AF_ALG); diff --git a/crypto/ahash.c b/crypto/ahash.c index 324651040446..66492ae75fcf 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -2,8 +2,12 @@ /* * Asynchronous Cryptographic Hash operations. * - * This is the asynchronous version of hash.c with notification of - * completion via a callback. + * This is the implementation of the ahash (asynchronous hash) API. It differs + * from shash (synchronous hash) in that ahash supports asynchronous operations, + * and it hashes data from scatterlists instead of virtually addressed buffers. + * + * The ahash API provides access to both ahash and shash algorithms. The shash + * API only provides access to shash algorithms. * * Copyright (c) 2008 Loc Ho <lho@amcc.com> */ @@ -12,48 +16,68 @@ #include <linux/cryptouser.h> #include <linux/err.h> #include <linux/kernel.h> +#include <linux/mm.h> #include <linux/module.h> -#include <linux/sched.h> +#include <linux/scatterlist.h> #include <linux/slab.h> #include <linux/seq_file.h> #include <linux/string.h> +#include <linux/string_choices.h> #include <net/netlink.h> #include "hash.h" -static const struct crypto_type crypto_ahash_type; +#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000e -struct ahash_request_priv { - crypto_completion_t complete; - void *data; - u8 *result; - u32 flags; - void *ubuf[] CRYPTO_MINALIGN_ATTR; -}; +static int ahash_def_finup(struct ahash_request *req); + +static inline bool crypto_ahash_block_only(struct crypto_ahash *tfm) +{ + return crypto_ahash_alg(tfm)->halg.base.cra_flags & + CRYPTO_AHASH_ALG_BLOCK_ONLY; +} -static inline struct ahash_alg *crypto_ahash_alg(struct crypto_ahash *hash) +static inline bool crypto_ahash_final_nonzero(struct crypto_ahash *tfm) { - return container_of(crypto_hash_alg_common(hash), struct ahash_alg, - halg); + return crypto_ahash_alg(tfm)->halg.base.cra_flags & + CRYPTO_AHASH_ALG_FINAL_NONZERO; +} + +static inline bool crypto_ahash_need_fallback(struct crypto_ahash *tfm) +{ + return crypto_ahash_alg(tfm)->halg.base.cra_flags & + CRYPTO_ALG_NEED_FALLBACK; +} + +static inline void ahash_op_done(void *data, int err, + int (*finish)(struct ahash_request *, int)) +{ + struct ahash_request *areq = data; + crypto_completion_t compl; + + compl = areq->saved_complete; + data = areq->saved_data; + if (err == -EINPROGRESS) + goto out; + + areq->base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; + + err = finish(areq, err); + if (err == -EINPROGRESS || err == -EBUSY) + return; + +out: + compl(data, err); } static int hash_walk_next(struct crypto_hash_walk *walk) { - unsigned int alignmask = walk->alignmask; unsigned int offset = walk->offset; unsigned int nbytes = min(walk->entrylen, ((unsigned int)(PAGE_SIZE)) - offset); walk->data = kmap_local_page(walk->pg); walk->data += offset; - - if (offset & alignmask) { - unsigned int unaligned = alignmask + 1 - (offset & alignmask); - - if (nbytes > unaligned) - nbytes = unaligned; - } - walk->entrylen -= nbytes; return nbytes; } @@ -75,25 +99,36 @@ static int hash_walk_new_entry(struct crypto_hash_walk *walk) return hash_walk_next(walk); } -int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err) +int crypto_hash_walk_first(struct ahash_request *req, + struct crypto_hash_walk *walk) { - unsigned int alignmask = walk->alignmask; + walk->total = req->nbytes; + walk->entrylen = 0; - walk->data -= walk->offset; + if (!walk->total) + return 0; - if (walk->entrylen && (walk->offset & alignmask) && !err) { - unsigned int nbytes; + walk->flags = req->base.flags; - walk->offset = ALIGN(walk->offset, alignmask + 1); - nbytes = min(walk->entrylen, - (unsigned int)(PAGE_SIZE - walk->offset)); - if (nbytes) { - walk->entrylen -= nbytes; - walk->data += walk->offset; - return nbytes; - } + if (ahash_request_isvirt(req)) { + walk->data = req->svirt; + walk->total = 0; + return req->nbytes; } + walk->sg = req->src; + + return hash_walk_new_entry(walk); +} +EXPORT_SYMBOL_GPL(crypto_hash_walk_first); + +int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err) +{ + if ((walk->flags & CRYPTO_AHASH_REQ_VIRT)) + return err; + + walk->data -= walk->offset; + kunmap_local(walk->data); crypto_yield(walk->flags); @@ -115,42 +150,128 @@ int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err) } EXPORT_SYMBOL_GPL(crypto_hash_walk_done); -int crypto_hash_walk_first(struct ahash_request *req, - struct crypto_hash_walk *walk) +/* + * For an ahash tfm that is using an shash algorithm (instead of an ahash + * algorithm), this returns the underlying shash tfm. + */ +static inline struct crypto_shash *ahash_to_shash(struct crypto_ahash *tfm) { - walk->total = req->nbytes; + return *(struct crypto_shash **)crypto_ahash_ctx(tfm); +} - if (!walk->total) { - walk->entrylen = 0; - return 0; - } +static inline struct shash_desc *prepare_shash_desc(struct ahash_request *req, + struct crypto_ahash *tfm) +{ + struct shash_desc *desc = ahash_request_ctx(req); - walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req)); - walk->sg = req->src; - walk->flags = req->base.flags; + desc->tfm = ahash_to_shash(tfm); + return desc; +} - return hash_walk_new_entry(walk); +int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc) +{ + struct crypto_hash_walk walk; + int nbytes; + + for (nbytes = crypto_hash_walk_first(req, &walk); nbytes > 0; + nbytes = crypto_hash_walk_done(&walk, nbytes)) + nbytes = crypto_shash_update(desc, walk.data, nbytes); + + return nbytes; } -EXPORT_SYMBOL_GPL(crypto_hash_walk_first); +EXPORT_SYMBOL_GPL(shash_ahash_update); -static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key, - unsigned int keylen) +int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc) { - unsigned long alignmask = crypto_ahash_alignmask(tfm); - int ret; - u8 *buffer, *alignbuffer; - unsigned long absize; + struct crypto_hash_walk walk; + int nbytes; - absize = keylen + alignmask; - buffer = kmalloc(absize, GFP_KERNEL); - if (!buffer) - return -ENOMEM; + nbytes = crypto_hash_walk_first(req, &walk); + if (!nbytes) + return crypto_shash_final(desc, req->result); - alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); - memcpy(alignbuffer, key, keylen); - ret = tfm->setkey(tfm, alignbuffer, keylen); - kfree_sensitive(buffer); - return ret; + do { + nbytes = crypto_hash_walk_last(&walk) ? + crypto_shash_finup(desc, walk.data, nbytes, + req->result) : + crypto_shash_update(desc, walk.data, nbytes); + nbytes = crypto_hash_walk_done(&walk, nbytes); + } while (nbytes > 0); + + return nbytes; +} +EXPORT_SYMBOL_GPL(shash_ahash_finup); + +int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc) +{ + unsigned int nbytes = req->nbytes; + struct scatterlist *sg; + unsigned int offset; + struct page *page; + const u8 *data; + int err; + + data = req->svirt; + if (!nbytes || ahash_request_isvirt(req)) + return crypto_shash_digest(desc, data, nbytes, req->result); + + sg = req->src; + if (nbytes > sg->length) + return crypto_shash_init(desc) ?: + shash_ahash_finup(req, desc); + + page = sg_page(sg); + offset = sg->offset; + data = lowmem_page_address(page) + offset; + if (!IS_ENABLED(CONFIG_HIGHMEM)) + return crypto_shash_digest(desc, data, nbytes, req->result); + + page += offset >> PAGE_SHIFT; + offset = offset_in_page(offset); + + if (nbytes > (unsigned int)PAGE_SIZE - offset) + return crypto_shash_init(desc) ?: + shash_ahash_finup(req, desc); + + data = kmap_local_page(page); + err = crypto_shash_digest(desc, data + offset, nbytes, + req->result); + kunmap_local(data); + return err; +} +EXPORT_SYMBOL_GPL(shash_ahash_digest); + +static void crypto_exit_ahash_using_shash(struct crypto_tfm *tfm) +{ + struct crypto_shash **ctx = crypto_tfm_ctx(tfm); + + crypto_free_shash(*ctx); +} + +static int crypto_init_ahash_using_shash(struct crypto_tfm *tfm) +{ + struct crypto_alg *calg = tfm->__crt_alg; + struct crypto_ahash *crt = __crypto_ahash_cast(tfm); + struct crypto_shash **ctx = crypto_tfm_ctx(tfm); + struct crypto_shash *shash; + + if (!crypto_mod_get(calg)) + return -EAGAIN; + + shash = crypto_create_tfm(calg, &crypto_shash_type); + if (IS_ERR(shash)) { + crypto_mod_put(calg); + return PTR_ERR(shash); + } + + crt->using_shash = true; + *ctx = shash; + tfm->exit = crypto_exit_ahash_using_shash; + + crypto_ahash_set_flags(crt, crypto_shash_get_flags(shash) & + CRYPTO_TFM_NEED_KEY); + + return 0; } static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key, @@ -159,196 +280,304 @@ static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key, return -ENOSYS; } -static void ahash_set_needkey(struct crypto_ahash *tfm) +static void ahash_set_needkey(struct crypto_ahash *tfm, struct ahash_alg *alg) { - const struct hash_alg_common *alg = crypto_hash_alg_common(tfm); - - if (tfm->setkey != ahash_nosetkey && - !(alg->base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY)) + if (alg->setkey != ahash_nosetkey && + !(alg->halg.base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY)) crypto_ahash_set_flags(tfm, CRYPTO_TFM_NEED_KEY); } int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen) { - unsigned long alignmask = crypto_ahash_alignmask(tfm); - int err; - - if ((unsigned long)key & alignmask) - err = ahash_setkey_unaligned(tfm, key, keylen); - else - err = tfm->setkey(tfm, key, keylen); - - if (unlikely(err)) { - ahash_set_needkey(tfm); - return err; + if (likely(tfm->using_shash)) { + struct crypto_shash *shash = ahash_to_shash(tfm); + int err; + + err = crypto_shash_setkey(shash, key, keylen); + if (unlikely(err)) { + crypto_ahash_set_flags(tfm, + crypto_shash_get_flags(shash) & + CRYPTO_TFM_NEED_KEY); + return err; + } + } else { + struct ahash_alg *alg = crypto_ahash_alg(tfm); + int err; + + err = alg->setkey(tfm, key, keylen); + if (!err && crypto_ahash_need_fallback(tfm)) + err = crypto_ahash_setkey(crypto_ahash_fb(tfm), + key, keylen); + if (unlikely(err)) { + ahash_set_needkey(tfm, alg); + return err; + } } - crypto_ahash_clear_flags(tfm, CRYPTO_TFM_NEED_KEY); return 0; } EXPORT_SYMBOL_GPL(crypto_ahash_setkey); -static int ahash_save_req(struct ahash_request *req, crypto_completion_t cplt, - bool has_state) +static int ahash_do_req_chain(struct ahash_request *req, + int (*const *op)(struct ahash_request *req)) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - unsigned long alignmask = crypto_ahash_alignmask(tfm); - unsigned int ds = crypto_ahash_digestsize(tfm); - struct ahash_request *subreq; - unsigned int subreq_size; - unsigned int reqsize; - u8 *result; - gfp_t gfp; - u32 flags; - - subreq_size = sizeof(*subreq); - reqsize = crypto_ahash_reqsize(tfm); - reqsize = ALIGN(reqsize, crypto_tfm_ctx_alignment()); - subreq_size += reqsize; - subreq_size += ds; - subreq_size += alignmask & ~(crypto_tfm_ctx_alignment() - 1); - - flags = ahash_request_flags(req); - gfp = (flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? GFP_KERNEL : GFP_ATOMIC; - subreq = kmalloc(subreq_size, gfp); - if (!subreq) - return -ENOMEM; - - ahash_request_set_tfm(subreq, tfm); - ahash_request_set_callback(subreq, flags, cplt, req); - - result = (u8 *)(subreq + 1) + reqsize; - result = PTR_ALIGN(result, alignmask + 1); - - ahash_request_set_crypt(subreq, req->src, result, req->nbytes); - - if (has_state) { - void *state; - - state = kmalloc(crypto_ahash_statesize(tfm), gfp); - if (!state) { - kfree(subreq); - return -ENOMEM; - } + int err; - crypto_ahash_export(req, state); - crypto_ahash_import(subreq, state); - kfree_sensitive(state); - } + if (crypto_ahash_req_virt(tfm) || !ahash_request_isvirt(req)) + return (*op)(req); - req->priv = subreq; + if (crypto_ahash_statesize(tfm) > HASH_MAX_STATESIZE) + return -ENOSYS; - return 0; -} + if (!crypto_ahash_need_fallback(tfm)) + return -ENOSYS; -static void ahash_restore_req(struct ahash_request *req, int err) -{ - struct ahash_request *subreq = req->priv; + if (crypto_hash_no_export_core(tfm)) + return -ENOSYS; + + { + u8 state[HASH_MAX_STATESIZE]; + + if (op == &crypto_ahash_alg(tfm)->digest) { + ahash_request_set_tfm(req, crypto_ahash_fb(tfm)); + err = crypto_ahash_digest(req); + goto out_no_state; + } + + err = crypto_ahash_export(req, state); + ahash_request_set_tfm(req, crypto_ahash_fb(tfm)); + err = err ?: crypto_ahash_import(req, state); + + if (op == &crypto_ahash_alg(tfm)->finup) { + err = err ?: crypto_ahash_finup(req); + goto out_no_state; + } - if (!err) - memcpy(req->result, subreq->result, - crypto_ahash_digestsize(crypto_ahash_reqtfm(req))); + err = err ?: + crypto_ahash_update(req) ?: + crypto_ahash_export(req, state); - req->priv = NULL; + ahash_request_set_tfm(req, tfm); + return err ?: crypto_ahash_import(req, state); - kfree_sensitive(subreq); +out_no_state: + ahash_request_set_tfm(req, tfm); + return err; + } } -static void ahash_op_unaligned_done(void *data, int err) +int crypto_ahash_init(struct ahash_request *req) { - struct ahash_request *areq = data; + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - if (err == -EINPROGRESS) - goto out; + if (likely(tfm->using_shash)) + return crypto_shash_init(prepare_shash_desc(req, tfm)); + if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) + return -ENOKEY; + if (ahash_req_on_stack(req) && ahash_is_async(tfm)) + return -EAGAIN; + if (crypto_ahash_block_only(tfm)) { + u8 *buf = ahash_request_ctx(req); + + buf += crypto_ahash_reqsize(tfm) - 1; + *buf = 0; + } + return crypto_ahash_alg(tfm)->init(req); +} +EXPORT_SYMBOL_GPL(crypto_ahash_init); - /* First copy req->result into req->priv.result */ - ahash_restore_req(areq, err); +static void ahash_save_req(struct ahash_request *req, crypto_completion_t cplt) +{ + req->saved_complete = req->base.complete; + req->saved_data = req->base.data; + req->base.complete = cplt; + req->base.data = req; +} -out: - /* Complete the ORIGINAL request. */ - ahash_request_complete(areq, err); +static void ahash_restore_req(struct ahash_request *req) +{ + req->base.complete = req->saved_complete; + req->base.data = req->saved_data; } -static int ahash_op_unaligned(struct ahash_request *req, - int (*op)(struct ahash_request *), - bool has_state) +static int ahash_update_finish(struct ahash_request *req, int err) { - int err; + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + bool nonzero = crypto_ahash_final_nonzero(tfm); + int bs = crypto_ahash_blocksize(tfm); + u8 *blenp = ahash_request_ctx(req); + int blen; + u8 *buf; + + blenp += crypto_ahash_reqsize(tfm) - 1; + blen = *blenp; + buf = blenp - bs; + + if (blen) { + req->src = req->sg_head + 1; + if (sg_is_chain(req->src)) + req->src = sg_chain_ptr(req->src); + } - err = ahash_save_req(req, ahash_op_unaligned_done, has_state); - if (err) - return err; + req->nbytes += nonzero - blen; - err = op(req->priv); - if (err == -EINPROGRESS || err == -EBUSY) - return err; + blen = 0; + if (err >= 0) { + blen = err + nonzero; + err = 0; + } + if (ahash_request_isvirt(req)) + memcpy(buf, req->svirt + req->nbytes - blen, blen); + else + memcpy_from_sglist(buf, req->src, req->nbytes - blen, blen); + *blenp = blen; - ahash_restore_req(req, err); + ahash_restore_req(req); return err; } -static int crypto_ahash_op(struct ahash_request *req, - int (*op)(struct ahash_request *), - bool has_state) +static void ahash_update_done(void *data, int err) +{ + ahash_op_done(data, err, ahash_update_finish); +} + +int crypto_ahash_update(struct ahash_request *req) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - unsigned long alignmask = crypto_ahash_alignmask(tfm); - int err; + bool nonzero = crypto_ahash_final_nonzero(tfm); + int bs = crypto_ahash_blocksize(tfm); + u8 *blenp = ahash_request_ctx(req); + int blen, err; + u8 *buf; + + if (likely(tfm->using_shash)) + return shash_ahash_update(req, ahash_request_ctx(req)); + if (ahash_req_on_stack(req) && ahash_is_async(tfm)) + return -EAGAIN; + if (!crypto_ahash_block_only(tfm)) + return ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->update); + + blenp += crypto_ahash_reqsize(tfm) - 1; + blen = *blenp; + buf = blenp - bs; + + if (blen + req->nbytes < bs + nonzero) { + if (ahash_request_isvirt(req)) + memcpy(buf + blen, req->svirt, req->nbytes); + else + memcpy_from_sglist(buf + blen, req->src, 0, + req->nbytes); + + *blenp += req->nbytes; + return 0; + } - if ((unsigned long)req->result & alignmask) - err = ahash_op_unaligned(req, op, has_state); - else - err = op(req); + if (blen) { + memset(req->sg_head, 0, sizeof(req->sg_head[0])); + sg_set_buf(req->sg_head, buf, blen); + if (req->src != req->sg_head + 1) + sg_chain(req->sg_head, 2, req->src); + req->src = req->sg_head; + req->nbytes += blen; + } + req->nbytes -= nonzero; + + ahash_save_req(req, ahash_update_done); + + err = ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->update); + if (err == -EINPROGRESS || err == -EBUSY) + return err; - return crypto_hash_errstat(crypto_hash_alg_common(tfm), err); + return ahash_update_finish(req, err); } +EXPORT_SYMBOL_GPL(crypto_ahash_update); -int crypto_ahash_final(struct ahash_request *req) +static int ahash_finup_finish(struct ahash_request *req, int err) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct hash_alg_common *alg = crypto_hash_alg_common(tfm); + u8 *blenp = ahash_request_ctx(req); + int blen; + + blenp += crypto_ahash_reqsize(tfm) - 1; + blen = *blenp; + + if (blen) { + if (sg_is_last(req->src)) + req->src = NULL; + else { + req->src = req->sg_head + 1; + if (sg_is_chain(req->src)) + req->src = sg_chain_ptr(req->src); + } + req->nbytes -= blen; + } - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - atomic64_inc(&hash_get_stat(alg)->hash_cnt); + ahash_restore_req(req); - return crypto_ahash_op(req, tfm->final, true); + return err; +} + +static void ahash_finup_done(void *data, int err) +{ + ahash_op_done(data, err, ahash_finup_finish); } -EXPORT_SYMBOL_GPL(crypto_ahash_final); int crypto_ahash_finup(struct ahash_request *req) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct hash_alg_common *alg = crypto_hash_alg_common(tfm); + int bs = crypto_ahash_blocksize(tfm); + u8 *blenp = ahash_request_ctx(req); + int blen, err; + u8 *buf; + + if (likely(tfm->using_shash)) + return shash_ahash_finup(req, ahash_request_ctx(req)); + if (ahash_req_on_stack(req) && ahash_is_async(tfm)) + return -EAGAIN; + if (!crypto_ahash_alg(tfm)->finup) + return ahash_def_finup(req); + if (!crypto_ahash_block_only(tfm)) + return ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->finup); + + blenp += crypto_ahash_reqsize(tfm) - 1; + blen = *blenp; + buf = blenp - bs; + + if (blen) { + memset(req->sg_head, 0, sizeof(req->sg_head[0])); + sg_set_buf(req->sg_head, buf, blen); + if (!req->src) + sg_mark_end(req->sg_head); + else if (req->src != req->sg_head + 1) + sg_chain(req->sg_head, 2, req->src); + req->src = req->sg_head; + req->nbytes += blen; + } - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) { - struct crypto_istat_hash *istat = hash_get_stat(alg); + ahash_save_req(req, ahash_finup_done); - atomic64_inc(&istat->hash_cnt); - atomic64_add(req->nbytes, &istat->hash_tlen); - } + err = ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->finup); + if (err == -EINPROGRESS || err == -EBUSY) + return err; - return crypto_ahash_op(req, tfm->finup, true); + return ahash_finup_finish(req, err); } EXPORT_SYMBOL_GPL(crypto_ahash_finup); int crypto_ahash_digest(struct ahash_request *req) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct hash_alg_common *alg = crypto_hash_alg_common(tfm); - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) { - struct crypto_istat_hash *istat = hash_get_stat(alg); - - atomic64_inc(&istat->hash_cnt); - atomic64_add(req->nbytes, &istat->hash_tlen); - } + if (likely(tfm->using_shash)) + return shash_ahash_digest(req, prepare_shash_desc(req, tfm)); + if (ahash_req_on_stack(req) && ahash_is_async(tfm)) + return -EAGAIN; if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) - return crypto_hash_errstat(alg, -ENOKEY); - - return crypto_ahash_op(req, tfm->digest, false); + return -ENOKEY; + return ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->digest); } EXPORT_SYMBOL_GPL(crypto_ahash_digest); @@ -359,104 +588,192 @@ static void ahash_def_finup_done2(void *data, int err) if (err == -EINPROGRESS) return; - ahash_restore_req(areq, err); - + ahash_restore_req(areq); ahash_request_complete(areq, err); } static int ahash_def_finup_finish1(struct ahash_request *req, int err) { - struct ahash_request *subreq = req->priv; + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); if (err) goto out; - subreq->base.complete = ahash_def_finup_done2; + req->base.complete = ahash_def_finup_done2; - err = crypto_ahash_reqtfm(req)->final(subreq); + err = crypto_ahash_alg(tfm)->final(req); if (err == -EINPROGRESS || err == -EBUSY) return err; out: - ahash_restore_req(req, err); + ahash_restore_req(req); return err; } static void ahash_def_finup_done1(void *data, int err) { - struct ahash_request *areq = data; - struct ahash_request *subreq; + ahash_op_done(data, err, ahash_def_finup_finish1); +} - if (err == -EINPROGRESS) - goto out; +static int ahash_def_finup(struct ahash_request *req) +{ + int err; - subreq = areq->priv; - subreq->base.flags &= CRYPTO_TFM_REQ_MAY_BACKLOG; + ahash_save_req(req, ahash_def_finup_done1); - err = ahash_def_finup_finish1(areq, err); + err = crypto_ahash_update(req); if (err == -EINPROGRESS || err == -EBUSY) - return; + return err; -out: - ahash_request_complete(areq, err); + return ahash_def_finup_finish1(req, err); } -static int ahash_def_finup(struct ahash_request *req) +int crypto_ahash_export_core(struct ahash_request *req, void *out) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - int err; - err = ahash_save_req(req, ahash_def_finup_done1, true); - if (err) - return err; + if (likely(tfm->using_shash)) + return crypto_shash_export_core(ahash_request_ctx(req), out); + return crypto_ahash_alg(tfm)->export_core(req, out); +} +EXPORT_SYMBOL_GPL(crypto_ahash_export_core); - err = tfm->update(req->priv); - if (err == -EINPROGRESS || err == -EBUSY) - return err; +int crypto_ahash_export(struct ahash_request *req, void *out) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - return ahash_def_finup_finish1(req, err); + if (likely(tfm->using_shash)) + return crypto_shash_export(ahash_request_ctx(req), out); + if (crypto_ahash_block_only(tfm)) { + unsigned int plen = crypto_ahash_blocksize(tfm) + 1; + unsigned int reqsize = crypto_ahash_reqsize(tfm); + unsigned int ss = crypto_ahash_statesize(tfm); + u8 *buf = ahash_request_ctx(req); + + memcpy(out + ss - plen, buf + reqsize - plen, plen); + } + return crypto_ahash_alg(tfm)->export(req, out); +} +EXPORT_SYMBOL_GPL(crypto_ahash_export); + +int crypto_ahash_import_core(struct ahash_request *req, const void *in) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + + if (likely(tfm->using_shash)) + return crypto_shash_import_core(prepare_shash_desc(req, tfm), + in); + if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) + return -ENOKEY; + if (crypto_ahash_block_only(tfm)) { + unsigned int reqsize = crypto_ahash_reqsize(tfm); + u8 *buf = ahash_request_ctx(req); + + buf[reqsize - 1] = 0; + } + return crypto_ahash_alg(tfm)->import_core(req, in); } +EXPORT_SYMBOL_GPL(crypto_ahash_import_core); + +int crypto_ahash_import(struct ahash_request *req, const void *in) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + + if (likely(tfm->using_shash)) + return crypto_shash_import(prepare_shash_desc(req, tfm), in); + if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) + return -ENOKEY; + if (crypto_ahash_block_only(tfm)) { + unsigned int plen = crypto_ahash_blocksize(tfm) + 1; + unsigned int reqsize = crypto_ahash_reqsize(tfm); + unsigned int ss = crypto_ahash_statesize(tfm); + u8 *buf = ahash_request_ctx(req); + + memcpy(buf + reqsize - plen, in + ss - plen, plen); + if (buf[reqsize - 1] >= plen) + return -EOVERFLOW; + } + return crypto_ahash_alg(tfm)->import(req, in); +} +EXPORT_SYMBOL_GPL(crypto_ahash_import); static void crypto_ahash_exit_tfm(struct crypto_tfm *tfm) { struct crypto_ahash *hash = __crypto_ahash_cast(tfm); struct ahash_alg *alg = crypto_ahash_alg(hash); - alg->exit_tfm(hash); + if (alg->exit_tfm) + alg->exit_tfm(hash); + else if (tfm->__crt_alg->cra_exit) + tfm->__crt_alg->cra_exit(tfm); + + if (crypto_ahash_need_fallback(hash)) + crypto_free_ahash(crypto_ahash_fb(hash)); } static int crypto_ahash_init_tfm(struct crypto_tfm *tfm) { struct crypto_ahash *hash = __crypto_ahash_cast(tfm); struct ahash_alg *alg = crypto_ahash_alg(hash); + struct crypto_ahash *fb = NULL; + int err; - hash->setkey = ahash_nosetkey; + crypto_ahash_set_statesize(hash, alg->halg.statesize); + crypto_ahash_set_reqsize(hash, crypto_tfm_alg_reqsize(tfm)); - if (tfm->__crt_alg->cra_type != &crypto_ahash_type) - return crypto_init_shash_ops_async(tfm); + if (tfm->__crt_alg->cra_type == &crypto_shash_type) + return crypto_init_ahash_using_shash(tfm); - hash->init = alg->init; - hash->update = alg->update; - hash->final = alg->final; - hash->finup = alg->finup ?: ahash_def_finup; - hash->digest = alg->digest; - hash->export = alg->export; - hash->import = alg->import; + if (crypto_ahash_need_fallback(hash)) { + fb = crypto_alloc_ahash(crypto_ahash_alg_name(hash), + CRYPTO_ALG_REQ_VIRT, + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_REQ_VIRT | + CRYPTO_AHASH_ALG_NO_EXPORT_CORE); + if (IS_ERR(fb)) + return PTR_ERR(fb); - if (alg->setkey) { - hash->setkey = alg->setkey; - ahash_set_needkey(hash); + tfm->fb = crypto_ahash_tfm(fb); } - if (alg->exit_tfm) - tfm->exit = crypto_ahash_exit_tfm; + ahash_set_needkey(hash, alg); - return alg->init_tfm ? alg->init_tfm(hash) : 0; + tfm->exit = crypto_ahash_exit_tfm; + + if (alg->init_tfm) + err = alg->init_tfm(hash); + else if (tfm->__crt_alg->cra_init) + err = tfm->__crt_alg->cra_init(tfm); + else + return 0; + + if (err) + goto out_free_sync_hash; + + if (!ahash_is_async(hash) && crypto_ahash_reqsize(hash) > + MAX_SYNC_HASH_REQSIZE) + goto out_exit_tfm; + + BUILD_BUG_ON(HASH_MAX_DESCSIZE > MAX_SYNC_HASH_REQSIZE); + if (crypto_ahash_reqsize(hash) < HASH_MAX_DESCSIZE) + crypto_ahash_set_reqsize(hash, HASH_MAX_DESCSIZE); + + return 0; + +out_exit_tfm: + if (alg->exit_tfm) + alg->exit_tfm(hash); + else if (tfm->__crt_alg->cra_exit) + tfm->__crt_alg->cra_exit(tfm); + err = -EINVAL; +out_free_sync_hash: + crypto_free_ahash(fb); + return err; } static unsigned int crypto_ahash_extsize(struct crypto_alg *alg) { - if (alg->cra_type != &crypto_ahash_type) + if (alg->cra_type == &crypto_shash_type) return sizeof(struct crypto_shash *); return crypto_alg_extsize(alg); @@ -489,19 +806,13 @@ static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) { seq_printf(m, "type : ahash\n"); - seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ? - "yes" : "no"); + seq_printf(m, "async : %s\n", + str_yes_no(alg->cra_flags & CRYPTO_ALG_ASYNC)); seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); seq_printf(m, "digestsize : %u\n", __crypto_hash_alg_common(alg)->digestsize); } -static int __maybe_unused crypto_ahash_report_stat( - struct sk_buff *skb, struct crypto_alg *alg) -{ - return crypto_hash_report_stat(skb, alg, "ahash"); -} - static const struct crypto_type crypto_ahash_type = { .extsize = crypto_ahash_extsize, .init_tfm = crypto_ahash_init_tfm, @@ -512,13 +823,11 @@ static const struct crypto_type crypto_ahash_type = { #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_ahash_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_ahash_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_AHASH_MASK, .type = CRYPTO_ALG_TYPE_AHASH, .tfmsize = offsetof(struct crypto_ahash, base), + .algsize = offsetof(struct ahash_alg, halg.base), }; int crypto_grab_ahash(struct crypto_ahash_spawn *spawn, @@ -543,10 +852,22 @@ int crypto_has_ahash(const char *alg_name, u32 type, u32 mask) } EXPORT_SYMBOL_GPL(crypto_has_ahash); +bool crypto_hash_alg_has_setkey(struct hash_alg_common *halg) +{ + struct crypto_alg *alg = &halg->base; + + if (alg->cra_type == &crypto_shash_type) + return crypto_shash_alg_has_setkey(__crypto_shash_alg(alg)); + + return __crypto_ahash_alg(alg)->setkey != ahash_nosetkey; +} +EXPORT_SYMBOL_GPL(crypto_hash_alg_has_setkey); + struct crypto_ahash *crypto_clone_ahash(struct crypto_ahash *hash) { struct hash_alg_common *halg = crypto_hash_alg_common(hash); struct crypto_tfm *tfm = crypto_ahash_tfm(hash); + struct crypto_ahash *fb = NULL; struct crypto_ahash *nhash; struct ahash_alg *alg; int err; @@ -564,36 +885,64 @@ struct crypto_ahash *crypto_clone_ahash(struct crypto_ahash *hash) if (IS_ERR(nhash)) return nhash; - nhash->init = hash->init; - nhash->update = hash->update; - nhash->final = hash->final; - nhash->finup = hash->finup; - nhash->digest = hash->digest; - nhash->export = hash->export; - nhash->import = hash->import; - nhash->setkey = hash->setkey; nhash->reqsize = hash->reqsize; + nhash->statesize = hash->statesize; - if (tfm->__crt_alg->cra_type != &crypto_ahash_type) - return crypto_clone_shash_ops_async(nhash, hash); + if (likely(hash->using_shash)) { + struct crypto_shash **nctx = crypto_ahash_ctx(nhash); + struct crypto_shash *shash; + + shash = crypto_clone_shash(ahash_to_shash(hash)); + if (IS_ERR(shash)) { + err = PTR_ERR(shash); + goto out_free_nhash; + } + crypto_ahash_tfm(nhash)->exit = crypto_exit_ahash_using_shash; + nhash->using_shash = true; + *nctx = shash; + return nhash; + } + + if (crypto_ahash_need_fallback(hash)) { + fb = crypto_clone_ahash(crypto_ahash_fb(hash)); + err = PTR_ERR(fb); + if (IS_ERR(fb)) + goto out_free_nhash; + + crypto_ahash_tfm(nhash)->fb = crypto_ahash_tfm(fb); + } err = -ENOSYS; alg = crypto_ahash_alg(hash); if (!alg->clone_tfm) - goto out_free_nhash; + goto out_free_fb; err = alg->clone_tfm(nhash, hash); if (err) - goto out_free_nhash; + goto out_free_fb; + + crypto_ahash_tfm(nhash)->exit = crypto_ahash_exit_tfm; return nhash; +out_free_fb: + crypto_free_ahash(fb); out_free_nhash: crypto_free_ahash(nhash); return ERR_PTR(err); } EXPORT_SYMBOL_GPL(crypto_clone_ahash); +static int ahash_default_export_core(struct ahash_request *req, void *out) +{ + return -ENOSYS; +} + +static int ahash_default_import_core(struct ahash_request *req, const void *in) +{ + return -ENOSYS; +} + static int ahash_prepare_alg(struct ahash_alg *alg) { struct crypto_alg *base = &alg->halg.base; @@ -602,6 +951,17 @@ static int ahash_prepare_alg(struct ahash_alg *alg) if (alg->halg.statesize == 0) return -EINVAL; + if (base->cra_reqsize && base->cra_reqsize < alg->halg.statesize) + return -EINVAL; + + if (!(base->cra_flags & CRYPTO_ALG_ASYNC) && + base->cra_reqsize > MAX_SYNC_HASH_REQSIZE) + return -EINVAL; + + if (base->cra_flags & CRYPTO_ALG_NEED_FALLBACK && + base->cra_flags & CRYPTO_ALG_NO_FALLBACK) + return -EINVAL; + err = hash_prepare_alg(&alg->halg); if (err) return err; @@ -609,6 +969,29 @@ static int ahash_prepare_alg(struct ahash_alg *alg) base->cra_type = &crypto_ahash_type; base->cra_flags |= CRYPTO_ALG_TYPE_AHASH; + if ((base->cra_flags ^ CRYPTO_ALG_REQ_VIRT) & + (CRYPTO_ALG_ASYNC | CRYPTO_ALG_REQ_VIRT) && + !(base->cra_flags & CRYPTO_ALG_NO_FALLBACK)) + base->cra_flags |= CRYPTO_ALG_NEED_FALLBACK; + + if (!alg->setkey) + alg->setkey = ahash_nosetkey; + + if (base->cra_flags & CRYPTO_AHASH_ALG_BLOCK_ONLY) { + BUILD_BUG_ON(MAX_ALGAPI_BLOCKSIZE >= 256); + if (!alg->finup) + return -EINVAL; + + base->cra_reqsize += base->cra_blocksize + 1; + alg->halg.statesize += base->cra_blocksize + 1; + alg->export_core = alg->export; + alg->import_core = alg->import; + } else if (!alg->export_core || !alg->import_core) { + alg->export_core = ahash_default_export_core; + alg->import_core = ahash_default_import_core; + base->cra_flags |= CRYPTO_AHASH_ALG_NO_EXPORT_CORE; + } + return 0; } @@ -676,16 +1059,42 @@ int ahash_register_instance(struct crypto_template *tmpl, } EXPORT_SYMBOL_GPL(ahash_register_instance); -bool crypto_hash_alg_has_setkey(struct hash_alg_common *halg) +void ahash_request_free(struct ahash_request *req) { - struct crypto_alg *alg = &halg->base; + if (unlikely(!req)) + return; - if (alg->cra_type != &crypto_ahash_type) - return crypto_shash_alg_has_setkey(__crypto_shash_alg(alg)); + if (!ahash_req_on_stack(req)) { + kfree(req); + return; + } - return __crypto_ahash_alg(alg)->setkey != NULL; + ahash_request_zero(req); } -EXPORT_SYMBOL_GPL(crypto_hash_alg_has_setkey); +EXPORT_SYMBOL_GPL(ahash_request_free); + +int crypto_hash_digest(struct crypto_ahash *tfm, const u8 *data, + unsigned int len, u8 *out) +{ + HASH_REQUEST_ON_STACK(req, crypto_ahash_fb(tfm)); + int err; + + ahash_request_set_callback(req, 0, NULL, NULL); + ahash_request_set_virt(req, data, out, len); + err = crypto_ahash_digest(req); + + ahash_request_zero(req); + + return err; +} +EXPORT_SYMBOL_GPL(crypto_hash_digest); + +void ahash_free_singlespawn_instance(struct ahash_instance *inst) +{ + crypto_drop_spawn(ahash_instance_ctx(inst)); + kfree(inst); +} +EXPORT_SYMBOL_GPL(ahash_free_singlespawn_instance); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Asynchronous cryptographic hash type"); diff --git a/crypto/akcipher.c b/crypto/akcipher.c index 7960ceb528c3..a36f50c83827 100644 --- a/crypto/akcipher.c +++ b/crypto/akcipher.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/scatterlist.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/string.h> @@ -17,6 +18,21 @@ #include "internal.h" +#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000e + +struct crypto_akcipher_sync_data { + struct crypto_akcipher *tfm; + const void *src; + void *dst; + unsigned int slen; + unsigned int dlen; + + struct akcipher_request *req; + struct crypto_wait cwait; + struct scatterlist sg; + u8 *buf; +}; + static int __maybe_unused crypto_akcipher_report( struct sk_buff *skb, struct crypto_alg *alg) { @@ -67,30 +83,6 @@ static void crypto_akcipher_free_instance(struct crypto_instance *inst) akcipher->free(akcipher); } -static int __maybe_unused crypto_akcipher_report_stat( - struct sk_buff *skb, struct crypto_alg *alg) -{ - struct akcipher_alg *akcipher = __crypto_akcipher_alg(alg); - struct crypto_istat_akcipher *istat; - struct crypto_stat_akcipher rakcipher; - - istat = akcipher_get_stat(akcipher); - - memset(&rakcipher, 0, sizeof(rakcipher)); - - strscpy(rakcipher.type, "akcipher", sizeof(rakcipher.type)); - rakcipher.stat_encrypt_cnt = atomic64_read(&istat->encrypt_cnt); - rakcipher.stat_encrypt_tlen = atomic64_read(&istat->encrypt_tlen); - rakcipher.stat_decrypt_cnt = atomic64_read(&istat->decrypt_cnt); - rakcipher.stat_decrypt_tlen = atomic64_read(&istat->decrypt_tlen); - rakcipher.stat_sign_cnt = atomic64_read(&istat->sign_cnt); - rakcipher.stat_verify_cnt = atomic64_read(&istat->verify_cnt); - rakcipher.stat_err_cnt = atomic64_read(&istat->err_cnt); - - return nla_put(skb, CRYPTOCFGA_STAT_AKCIPHER, - sizeof(rakcipher), &rakcipher); -} - static const struct crypto_type crypto_akcipher_type = { .extsize = crypto_alg_extsize, .init_tfm = crypto_akcipher_init_tfm, @@ -101,13 +93,11 @@ static const struct crypto_type crypto_akcipher_type = { #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_akcipher_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_akcipher_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, - .maskset = CRYPTO_ALG_TYPE_MASK, + .maskset = CRYPTO_ALG_TYPE_AHASH_MASK, .type = CRYPTO_ALG_TYPE_AKCIPHER, .tfmsize = offsetof(struct crypto_akcipher, base), + .algsize = offsetof(struct akcipher_alg, base), }; int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn, @@ -128,15 +118,11 @@ EXPORT_SYMBOL_GPL(crypto_alloc_akcipher); static void akcipher_prepare_alg(struct akcipher_alg *alg) { - struct crypto_istat_akcipher *istat = akcipher_get_stat(alg); struct crypto_alg *base = &alg->base; base->cra_type = &crypto_akcipher_type; base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; base->cra_flags |= CRYPTO_ALG_TYPE_AKCIPHER; - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - memset(istat, 0, sizeof(*istat)); } static int akcipher_default_op(struct akcipher_request *req) @@ -154,10 +140,6 @@ int crypto_register_akcipher(struct akcipher_alg *alg) { struct crypto_alg *base = &alg->base; - if (!alg->sign) - alg->sign = akcipher_default_op; - if (!alg->verify) - alg->verify = akcipher_default_op; if (!alg->encrypt) alg->encrypt = akcipher_default_op; if (!alg->decrypt) @@ -186,5 +168,89 @@ int akcipher_register_instance(struct crypto_template *tmpl, } EXPORT_SYMBOL_GPL(akcipher_register_instance); +static int crypto_akcipher_sync_prep(struct crypto_akcipher_sync_data *data) +{ + unsigned int reqsize = crypto_akcipher_reqsize(data->tfm); + struct akcipher_request *req; + struct scatterlist *sg; + unsigned int mlen; + unsigned int len; + u8 *buf; + + mlen = max(data->slen, data->dlen); + + len = sizeof(*req) + reqsize + mlen; + if (len < mlen) + return -EOVERFLOW; + + req = kzalloc(len, GFP_KERNEL); + if (!req) + return -ENOMEM; + + data->req = req; + akcipher_request_set_tfm(req, data->tfm); + + buf = (u8 *)(req + 1) + reqsize; + data->buf = buf; + memcpy(buf, data->src, data->slen); + + sg = &data->sg; + sg_init_one(sg, buf, mlen); + akcipher_request_set_crypt(req, sg, sg, data->slen, data->dlen); + + crypto_init_wait(&data->cwait); + akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, + crypto_req_done, &data->cwait); + + return 0; +} + +static int crypto_akcipher_sync_post(struct crypto_akcipher_sync_data *data, + int err) +{ + err = crypto_wait_req(err, &data->cwait); + memcpy(data->dst, data->buf, data->dlen); + data->dlen = data->req->dst_len; + kfree_sensitive(data->req); + return err; +} + +int crypto_akcipher_sync_encrypt(struct crypto_akcipher *tfm, + const void *src, unsigned int slen, + void *dst, unsigned int dlen) +{ + struct crypto_akcipher_sync_data data = { + .tfm = tfm, + .src = src, + .dst = dst, + .slen = slen, + .dlen = dlen, + }; + + return crypto_akcipher_sync_prep(&data) ?: + crypto_akcipher_sync_post(&data, + crypto_akcipher_encrypt(data.req)); +} +EXPORT_SYMBOL_GPL(crypto_akcipher_sync_encrypt); + +int crypto_akcipher_sync_decrypt(struct crypto_akcipher *tfm, + const void *src, unsigned int slen, + void *dst, unsigned int dlen) +{ + struct crypto_akcipher_sync_data data = { + .tfm = tfm, + .src = src, + .dst = dst, + .slen = slen, + .dlen = dlen, + }; + + return crypto_akcipher_sync_prep(&data) ?: + crypto_akcipher_sync_post(&data, + crypto_akcipher_decrypt(data.req)) ?: + data.dlen; +} +EXPORT_SYMBOL_GPL(crypto_akcipher_sync_decrypt); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Generic public key cipher type"); diff --git a/crypto/algapi.c b/crypto/algapi.c index 5e7cd603d489..e604d0d8b7b4 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -6,7 +6,6 @@ */ #include <crypto/algapi.h> -#include <crypto/internal/simd.h> #include <linux/err.h> #include <linux/errno.h> #include <linux/fips.h> @@ -17,16 +16,12 @@ #include <linux/rtnetlink.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/workqueue.h> #include "internal.h" static LIST_HEAD(crypto_template_list); -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS -DEFINE_PER_CPU(bool, crypto_simd_disabled_for_test); -EXPORT_PER_CPU_SYMBOL_GPL(crypto_simd_disabled_for_test); -#endif - static inline void crypto_check_module_sig(struct module *mod) { if (fips_enabled && mod && !module_sig_ok(mod)) @@ -74,13 +69,36 @@ static void crypto_free_instance(struct crypto_instance *inst) inst->alg.cra_type->free(inst); } +static void crypto_destroy_instance_workfn(struct work_struct *w) +{ + struct crypto_template *tmpl = container_of(w, struct crypto_template, + free_work); + struct crypto_instance *inst; + struct hlist_node *n; + HLIST_HEAD(list); + + down_write(&crypto_alg_sem); + hlist_for_each_entry_safe(inst, n, &tmpl->dead, list) { + if (refcount_read(&inst->alg.cra_refcnt) != -1) + continue; + hlist_del(&inst->list); + hlist_add_head(&inst->list, &list); + } + up_write(&crypto_alg_sem); + + hlist_for_each_entry_safe(inst, n, &list, list) + crypto_free_instance(inst); +} + static void crypto_destroy_instance(struct crypto_alg *alg) { - struct crypto_instance *inst = (void *)alg; + struct crypto_instance *inst = container_of(alg, + struct crypto_instance, + alg); struct crypto_template *tmpl = inst->tmpl; - crypto_free_instance(inst); - crypto_tmpl_put(tmpl); + refcount_set(&alg->cra_refcnt, -1); + schedule_work(&tmpl->free_work); } /* @@ -126,14 +144,16 @@ static void crypto_remove_instance(struct crypto_instance *inst, inst->alg.cra_flags |= CRYPTO_ALG_DEAD; - if (!tmpl || !crypto_tmpl_get(tmpl)) + if (!tmpl) return; - list_move(&inst->alg.cra_list, list); + list_del_init(&inst->alg.cra_list); hlist_del(&inst->list); - inst->alg.cra_destroy = crypto_destroy_instance; + hlist_add_head(&inst->list, &tmpl->dead); BUG_ON(!list_empty(&inst->alg.cra_users)); + + crypto_alg_put(&inst->alg); } /* @@ -223,7 +243,6 @@ void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list, EXPORT_SYMBOL_GPL(crypto_remove_spawns); static void crypto_alg_finish_registration(struct crypto_alg *alg, - bool fulfill_requests, struct list_head *algs_to_put) { struct crypto_alg *q; @@ -235,30 +254,8 @@ static void crypto_alg_finish_registration(struct crypto_alg *alg, if (crypto_is_moribund(q)) continue; - if (crypto_is_larval(q)) { - struct crypto_larval *larval = (void *)q; - - /* - * Check to see if either our generic name or - * specific name can satisfy the name requested - * by the larval entry q. - */ - if (strcmp(alg->cra_name, q->cra_name) && - strcmp(alg->cra_driver_name, q->cra_name)) - continue; - - if (larval->adult) - continue; - if ((q->cra_flags ^ alg->cra_flags) & larval->mask) - continue; - - if (fulfill_requests && crypto_mod_get(alg)) - larval->adult = alg; - else - larval->adult = ERR_PTR(-EAGAIN); - + if (crypto_is_larval(q)) continue; - } if (strcmp(alg->cra_name, q->cra_name)) continue; @@ -277,8 +274,7 @@ static struct crypto_larval *crypto_alloc_test_larval(struct crypto_alg *alg) { struct crypto_larval *larval; - if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER) || - IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) || + if (!IS_ENABLED(CONFIG_CRYPTO_SELFTESTS) || (alg->cra_flags & CRYPTO_ALG_INTERNAL)) return NULL; /* No self-test needed */ @@ -329,6 +325,7 @@ __crypto_register_alg(struct crypto_alg *alg, struct list_head *algs_to_put) } if (!strcmp(q->cra_driver_name, alg->cra_name) || + !strcmp(q->cra_driver_name, alg->cra_driver_name) || !strcmp(q->cra_name, alg->cra_driver_name)) goto err; } @@ -346,7 +343,7 @@ __crypto_register_alg(struct crypto_alg *alg, struct list_head *algs_to_put) list_add(&larval->alg.cra_list, &crypto_alg_list); } else { alg->cra_flags |= CRYPTO_ALG_TESTED; - crypto_alg_finish_registration(alg, true, algs_to_put); + crypto_alg_finish_registration(alg, algs_to_put); } out: @@ -363,7 +360,6 @@ void crypto_alg_tested(const char *name, int err) struct crypto_alg *alg; struct crypto_alg *q; LIST_HEAD(list); - bool best; down_write(&crypto_alg_sem); list_for_each_entry(q, &crypto_alg_list, cra_list) { @@ -377,13 +373,14 @@ void crypto_alg_tested(const char *name, int err) } pr_err("alg: Unexpected test result for %s: %d\n", name, err); - goto unlock; + up_write(&crypto_alg_sem); + return; found: q->cra_flags |= CRYPTO_ALG_DEAD; alg = test->adult; - if (list_empty(&alg->cra_list)) + if (crypto_is_dead(alg)) goto complete; if (err == -ECANCELED) @@ -395,32 +392,15 @@ found: alg->cra_flags |= CRYPTO_ALG_TESTED; - /* - * If a higher-priority implementation of the same algorithm is - * currently being tested, then don't fulfill request larvals. - */ - best = true; - list_for_each_entry(q, &crypto_alg_list, cra_list) { - if (crypto_is_moribund(q) || !crypto_is_larval(q)) - continue; - - if (strcmp(alg->cra_name, q->cra_name)) - continue; - - if (q->cra_priority > alg->cra_priority) { - best = false; - break; - } - } - - crypto_alg_finish_registration(alg, best, &list); + crypto_alg_finish_registration(alg, &list); complete: + list_del_init(&test->alg.cra_list); complete_all(&test->completion); -unlock: up_write(&crypto_alg_sem); + crypto_alg_put(&test->alg); crypto_remove_final(&list); } EXPORT_SYMBOL_GPL(crypto_alg_tested); @@ -437,11 +417,20 @@ void crypto_remove_final(struct list_head *list) } EXPORT_SYMBOL_GPL(crypto_remove_final); +static void crypto_free_alg(struct crypto_alg *alg) +{ + unsigned int algsize = alg->cra_type->algsize; + u8 *p = (u8 *)alg - algsize; + + crypto_destroy_alg(alg); + kfree(p); +} + int crypto_register_alg(struct crypto_alg *alg) { struct crypto_larval *larval; - LIST_HEAD(algs_to_put); bool test_started = false; + LIST_HEAD(algs_to_put); int err; alg->cra_flags &= ~CRYPTO_ALG_DEAD; @@ -449,6 +438,19 @@ int crypto_register_alg(struct crypto_alg *alg) if (err) return err; + if (alg->cra_flags & CRYPTO_ALG_DUP_FIRST && + !WARN_ON_ONCE(alg->cra_destroy)) { + unsigned int algsize = alg->cra_type->algsize; + u8 *p = (u8 *)alg - algsize; + + p = kmemdup(p, algsize + sizeof(*alg), GFP_KERNEL); + if (!p) + return -ENOMEM; + + alg = (void *)(p + algsize); + alg->cra_destroy = crypto_free_alg; + } + down_write(&crypto_alg_sem); larval = __crypto_register_alg(alg, &algs_to_put); if (!IS_ERR_OR_NULL(larval)) { @@ -457,11 +459,16 @@ int crypto_register_alg(struct crypto_alg *alg) } up_write(&crypto_alg_sem); - if (IS_ERR(larval)) + if (IS_ERR(larval)) { + crypto_alg_put(alg); return PTR_ERR(larval); + } + if (test_started) - crypto_wait_for_test(larval); - crypto_remove_final(&algs_to_put); + crypto_schedule_test(larval); + else + crypto_remove_final(&algs_to_put); + return 0; } EXPORT_SYMBOL_GPL(crypto_register_alg); @@ -491,12 +498,9 @@ void crypto_unregister_alg(struct crypto_alg *alg) if (WARN(ret, "Algorithm %s is not registered", alg->cra_driver_name)) return; - if (WARN_ON(refcount_read(&alg->cra_refcnt) != 1)) - return; - - if (alg->cra_destroy) - alg->cra_destroy(alg); + WARN_ON(!alg->cra_destroy && refcount_read(&alg->cra_refcnt) != 1); + list_add(&alg->cra_list, &list); crypto_remove_final(&list); } EXPORT_SYMBOL_GPL(crypto_unregister_alg); @@ -535,6 +539,8 @@ int crypto_register_template(struct crypto_template *tmpl) struct crypto_template *q; int err = -EEXIST; + INIT_WORK(&tmpl->free_work, crypto_destroy_instance_workfn); + down_write(&crypto_alg_sem); crypto_check_module_sig(tmpl->module); @@ -596,6 +602,8 @@ void crypto_unregister_template(struct crypto_template *tmpl) crypto_free_instance(inst); } crypto_remove_final(&users); + + flush_work(&tmpl->free_work); } EXPORT_SYMBOL_GPL(crypto_unregister_template); @@ -649,6 +657,7 @@ int crypto_register_instance(struct crypto_template *tmpl, inst->alg.cra_module = tmpl->module; inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE; + inst->alg.cra_destroy = crypto_destroy_instance; down_write(&crypto_alg_sem); @@ -686,9 +695,12 @@ unlock: if (IS_ERR(larval)) return PTR_ERR(larval); + if (larval) - crypto_wait_for_test(larval); - crypto_remove_final(&algs_to_put); + crypto_schedule_test(larval); + else + crypto_remove_final(&algs_to_put); + return 0; } EXPORT_SYMBOL_GPL(crypto_register_instance); @@ -911,20 +923,20 @@ const char *crypto_attr_alg_name(struct rtattr *rta) } EXPORT_SYMBOL_GPL(crypto_attr_alg_name); -int crypto_inst_setname(struct crypto_instance *inst, const char *name, - struct crypto_alg *alg) +int __crypto_inst_setname(struct crypto_instance *inst, const char *name, + const char *driver, struct crypto_alg *alg) { if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", name, alg->cra_name) >= CRYPTO_MAX_ALG_NAME) return -ENAMETOOLONG; if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", - name, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME) + driver, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME) return -ENAMETOOLONG; return 0; } -EXPORT_SYMBOL_GPL(crypto_inst_setname); +EXPORT_SYMBOL_GPL(__crypto_inst_setname); void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen) { @@ -982,7 +994,7 @@ struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue) queue->backlog = queue->backlog->next; request = queue->list.next; - list_del(request); + list_del_init(request); return list_entry(request, struct crypto_async_request, list); } @@ -1043,9 +1055,14 @@ EXPORT_SYMBOL_GPL(crypto_type_has_alg); static void __init crypto_start_tests(void) { - if (IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS)) + if (!IS_BUILTIN(CONFIG_CRYPTO_ALGAPI)) + return; + + if (!IS_ENABLED(CONFIG_CRYPTO_SELFTESTS)) return; + set_crypto_boot_test_finished(); + for (;;) { struct crypto_larval *larval = NULL; struct crypto_alg *q; @@ -1076,10 +1093,8 @@ static void __init crypto_start_tests(void) if (!larval) break; - crypto_wait_for_test(larval); + crypto_schedule_test(larval); } - - set_crypto_boot_test_finished(); } static int __init crypto_algapi_init(void) diff --git a/crypto/algboss.c b/crypto/algboss.c index 0de1e6697949..846f586889ee 100644 --- a/crypto/algboss.c +++ b/crypto/algboss.c @@ -51,7 +51,7 @@ static int cryptomgr_probe(void *data) { struct cryptomgr_param *param = data; struct crypto_template *tmpl; - int err; + int err = -ENOENT; tmpl = crypto_lookup_template(param->template); if (!tmpl) @@ -64,6 +64,8 @@ static int cryptomgr_probe(void *data) crypto_tmpl_put(tmpl); out: + param->larval->adult = ERR_PTR(err); + param->larval->alg.cra_flags |= CRYPTO_ALG_DEAD; complete_all(¶m->larval->completion); crypto_alg_put(¶m->larval->alg); kfree(param); @@ -138,9 +140,6 @@ static int cryptomgr_schedule_probe(struct crypto_larval *larval) goto err_free_param; } - if (!i) - goto err_free_param; - param->tb[i + 1] = NULL; param->type.attr.rta_len = sizeof(param->type); @@ -190,7 +189,7 @@ static int cryptomgr_schedule_test(struct crypto_alg *alg) struct task_struct *thread; struct crypto_test_param *param; - if (IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS)) + if (!IS_ENABLED(CONFIG_CRYPTO_SELFTESTS)) return NOTIFY_DONE; if (!try_module_get(THIS_MODULE)) @@ -248,13 +247,7 @@ static void __exit cryptomgr_exit(void) BUG_ON(err); } -/* - * This is arch_initcall() so that the crypto self-tests are run on algorithms - * registered early by subsys_initcall(). subsys_initcall() is needed for - * generic implementations so that they're available for comparison tests when - * other implementations are registered later by module_init(). - */ -arch_initcall(cryptomgr_init); +module_init(cryptomgr_init); module_exit(cryptomgr_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index 42493b4d8ce4..79b016a899a1 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -9,10 +9,10 @@ * The following concept of the memory management is used: * * The kernel maintains two SGLs, the TX SGL and the RX SGL. The TX SGL is - * filled by user space with the data submitted via sendpage/sendmsg. Filling - * up the TX SGL does not cause a crypto operation -- the data will only be - * tracked by the kernel. Upon receipt of one recvmsg call, the caller must - * provide a buffer which is tracked with the RX SGL. + * filled by user space with the data submitted via sendmsg (maybe with + * MSG_SPLICE_PAGES). Filling up the TX SGL does not cause a crypto operation + * -- the data will only be tracked by the kernel. Upon receipt of one recvmsg + * call, the caller must provide a buffer which is tracked with the RX SGL. * * During the processing of the recvmsg operation, the cipher request is * allocated and prepared. As part of the recvmsg operation, the processed @@ -27,7 +27,6 @@ #include <crypto/scatterwalk.h> #include <crypto/if_alg.h> #include <crypto/skcipher.h> -#include <crypto/null.h> #include <linux/init.h> #include <linux/list.h> #include <linux/kernel.h> @@ -36,19 +35,13 @@ #include <linux/net.h> #include <net/sock.h> -struct aead_tfm { - struct crypto_aead *aead; - struct crypto_sync_skcipher *null_tfm; -}; - static inline bool aead_sufficient_data(struct sock *sk) { struct alg_sock *ask = alg_sk(sk); struct sock *psk = ask->parent; struct alg_sock *pask = alg_sk(psk); struct af_alg_ctx *ctx = ask->private; - struct aead_tfm *aeadc = pask->private; - struct crypto_aead *tfm = aeadc->aead; + struct crypto_aead *tfm = pask->private; unsigned int as = crypto_aead_authsize(tfm); /* @@ -64,27 +57,12 @@ static int aead_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) struct alg_sock *ask = alg_sk(sk); struct sock *psk = ask->parent; struct alg_sock *pask = alg_sk(psk); - struct aead_tfm *aeadc = pask->private; - struct crypto_aead *tfm = aeadc->aead; + struct crypto_aead *tfm = pask->private; unsigned int ivsize = crypto_aead_ivsize(tfm); return af_alg_sendmsg(sock, msg, size, ivsize); } -static int crypto_aead_copy_sgl(struct crypto_sync_skcipher *null_tfm, - struct scatterlist *src, - struct scatterlist *dst, unsigned int len) -{ - SYNC_SKCIPHER_REQUEST_ON_STACK(skreq, null_tfm); - - skcipher_request_set_sync_tfm(skreq, null_tfm); - skcipher_request_set_callback(skreq, CRYPTO_TFM_REQ_MAY_SLEEP, - NULL, NULL); - skcipher_request_set_crypt(skreq, src, dst, len, NULL); - - return crypto_skcipher_encrypt(skreq); -} - static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, size_t ignored, int flags) { @@ -93,9 +71,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, struct sock *psk = ask->parent; struct alg_sock *pask = alg_sk(psk); struct af_alg_ctx *ctx = ask->private; - struct aead_tfm *aeadc = pask->private; - struct crypto_aead *tfm = aeadc->aead; - struct crypto_sync_skcipher *null_tfm = aeadc->null_tfm; + struct crypto_aead *tfm = pask->private; unsigned int i, as = crypto_aead_authsize(tfm); struct af_alg_async_req *areq; struct af_alg_tsgl *tsgl, *tmp; @@ -113,19 +89,19 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, } /* - * Data length provided by caller via sendmsg/sendpage that has not - * yet been processed. + * Data length provided by caller via sendmsg that has not yet been + * processed. */ used = ctx->used; /* - * Make sure sufficient data is present -- note, the same check is - * also present in sendmsg/sendpage. The checks in sendpage/sendmsg - * shall provide an information to the data sender that something is - * wrong, but they are irrelevant to maintain the kernel integrity. - * We need this check here too in case user space decides to not honor - * the error message in sendmsg/sendpage and still call recvmsg. This - * check here protects the kernel integrity. + * Make sure sufficient data is present -- note, the same check is also + * present in sendmsg. The checks in sendmsg shall provide an + * information to the data sender that something is wrong, but they are + * irrelevant to maintain the kernel integrity. We need this check + * here too in case user space decides to not honor the error message + * in sendmsg and still call recvmsg. This check here protects the + * kernel integrity. */ if (!aead_sufficient_data(sk)) return -EINVAL; @@ -210,7 +186,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, */ /* Use the RX SGL as source (and destination) for crypto op. */ - rsgl_src = areq->first_rsgl.sgl.sg; + rsgl_src = areq->first_rsgl.sgl.sgt.sgl; if (ctx->enc) { /* @@ -223,10 +199,8 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, * v v * RX SGL: AAD || PT || Tag */ - err = crypto_aead_copy_sgl(null_tfm, tsgl_src, - areq->first_rsgl.sgl.sg, processed); - if (err) - goto free; + memcpy_sglist(areq->first_rsgl.sgl.sgt.sgl, tsgl_src, + processed); af_alg_pull_tsgl(sk, processed, NULL, 0); } else { /* @@ -240,11 +214,8 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, * RX SGL: AAD || CT ----+ */ - /* Copy AAD || CT to RX SGL buffer for in-place operation. */ - err = crypto_aead_copy_sgl(null_tfm, tsgl_src, - areq->first_rsgl.sgl.sg, outlen); - if (err) - goto free; + /* Copy AAD || CT to RX SGL buffer for in-place operation. */ + memcpy_sglist(areq->first_rsgl.sgl.sgt.sgl, tsgl_src, outlen); /* Create TX SGL for tag and chain it to RX SGL. */ areq->tsgl_entries = af_alg_count_tsgl(sk, processed, @@ -267,10 +238,10 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, if (usedpages) { /* RX SGL present */ struct af_alg_sgl *sgl_prev = &areq->last_rsgl->sgl; + struct scatterlist *sg = sgl_prev->sgt.sgl; - sg_unmark_end(sgl_prev->sg + sgl_prev->npages - 1); - sg_chain(sgl_prev->sg, sgl_prev->npages + 1, - areq->tsgl); + sg_unmark_end(sg + sgl_prev->sgt.nents - 1); + sg_chain(sg, sgl_prev->sgt.nents + 1, areq->tsgl); } else /* no RX SGL present (e.g. authentication only) */ rsgl_src = areq->tsgl; @@ -278,7 +249,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, /* Initialize the crypto operation */ aead_request_set_crypt(&areq->cra_u.aead_req, rsgl_src, - areq->first_rsgl.sgl.sg, used, ctx->iv); + areq->first_rsgl.sgl.sgt.sgl, used, ctx->iv); aead_request_set_ad(&areq->cra_u.aead_req, ctx->aead_assoclen); aead_request_set_tfm(&areq->cra_u.aead_req, tfm); @@ -368,7 +339,6 @@ static struct proto_ops algif_aead_ops = { .release = af_alg_release, .sendmsg = aead_sendmsg, - .sendpage = af_alg_sendpage, .recvmsg = aead_recvmsg, .poll = af_alg_poll, }; @@ -378,7 +348,7 @@ static int aead_check_key(struct socket *sock) int err = 0; struct sock *psk; struct alg_sock *pask; - struct aead_tfm *tfm; + struct crypto_aead *tfm; struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); @@ -392,7 +362,7 @@ static int aead_check_key(struct socket *sock) err = -ENOKEY; lock_sock_nested(psk, SINGLE_DEPTH_NESTING); - if (crypto_aead_get_flags(tfm->aead) & CRYPTO_TFM_NEED_KEY) + if (crypto_aead_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) goto unlock; atomic_dec(&pask->nokey_refcnt); @@ -420,18 +390,6 @@ static int aead_sendmsg_nokey(struct socket *sock, struct msghdr *msg, return aead_sendmsg(sock, msg, size); } -static ssize_t aead_sendpage_nokey(struct socket *sock, struct page *page, - int offset, size_t size, int flags) -{ - int err; - - err = aead_check_key(sock); - if (err) - return err; - - return af_alg_sendpage(sock, page, offset, size, flags); -} - static int aead_recvmsg_nokey(struct socket *sock, struct msghdr *msg, size_t ignored, int flags) { @@ -459,61 +417,28 @@ static struct proto_ops algif_aead_ops_nokey = { .release = af_alg_release, .sendmsg = aead_sendmsg_nokey, - .sendpage = aead_sendpage_nokey, .recvmsg = aead_recvmsg_nokey, .poll = af_alg_poll, }; static void *aead_bind(const char *name, u32 type, u32 mask) { - struct aead_tfm *tfm; - struct crypto_aead *aead; - struct crypto_sync_skcipher *null_tfm; - - tfm = kzalloc(sizeof(*tfm), GFP_KERNEL); - if (!tfm) - return ERR_PTR(-ENOMEM); - - aead = crypto_alloc_aead(name, type, mask); - if (IS_ERR(aead)) { - kfree(tfm); - return ERR_CAST(aead); - } - - null_tfm = crypto_get_default_null_skcipher(); - if (IS_ERR(null_tfm)) { - crypto_free_aead(aead); - kfree(tfm); - return ERR_CAST(null_tfm); - } - - tfm->aead = aead; - tfm->null_tfm = null_tfm; - - return tfm; + return crypto_alloc_aead(name, type, mask); } static void aead_release(void *private) { - struct aead_tfm *tfm = private; - - crypto_free_aead(tfm->aead); - crypto_put_default_null_skcipher(); - kfree(tfm); + crypto_free_aead(private); } static int aead_setauthsize(void *private, unsigned int authsize) { - struct aead_tfm *tfm = private; - - return crypto_aead_setauthsize(tfm->aead, authsize); + return crypto_aead_setauthsize(private, authsize); } static int aead_setkey(void *private, const u8 *key, unsigned int keylen) { - struct aead_tfm *tfm = private; - - return crypto_aead_setkey(tfm->aead, key, keylen); + return crypto_aead_setkey(private, key, keylen); } static void aead_sock_destruct(struct sock *sk) @@ -522,8 +447,7 @@ static void aead_sock_destruct(struct sock *sk) struct af_alg_ctx *ctx = ask->private; struct sock *psk = ask->parent; struct alg_sock *pask = alg_sk(psk); - struct aead_tfm *aeadc = pask->private; - struct crypto_aead *tfm = aeadc->aead; + struct crypto_aead *tfm = pask->private; unsigned int ivlen = crypto_aead_ivsize(tfm); af_alg_pull_tsgl(sk, ctx->used, NULL, 0); @@ -536,10 +460,9 @@ static int aead_accept_parent_nokey(void *private, struct sock *sk) { struct af_alg_ctx *ctx; struct alg_sock *ask = alg_sk(sk); - struct aead_tfm *tfm = private; - struct crypto_aead *aead = tfm->aead; + struct crypto_aead *tfm = private; unsigned int len = sizeof(*ctx); - unsigned int ivlen = crypto_aead_ivsize(aead); + unsigned int ivlen = crypto_aead_ivsize(tfm); ctx = sock_kmalloc(sk, len, GFP_KERNEL); if (!ctx) @@ -566,9 +489,9 @@ static int aead_accept_parent_nokey(void *private, struct sock *sk) static int aead_accept_parent(void *private, struct sock *sk) { - struct aead_tfm *tfm = private; + struct crypto_aead *tfm = private; - if (crypto_aead_get_flags(tfm->aead) & CRYPTO_TFM_NEED_KEY) + if (crypto_aead_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) return -ENOKEY; return aead_accept_parent_nokey(private, sk); diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 63af72e19fa8..4d3dfc60a16a 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -63,122 +63,117 @@ static void hash_free_result(struct sock *sk, struct hash_ctx *ctx) static int hash_sendmsg(struct socket *sock, struct msghdr *msg, size_t ignored) { - int limit = ALG_MAX_PAGES * PAGE_SIZE; struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); struct hash_ctx *ctx = ask->private; - long copied = 0; + ssize_t copied = 0; + size_t len, max_pages, npages; + bool continuing, need_init = false; int err; - if (limit > sk->sk_sndbuf) - limit = sk->sk_sndbuf; + max_pages = min_t(size_t, ALG_MAX_PAGES, + DIV_ROUND_UP(sk->sk_sndbuf, PAGE_SIZE)); lock_sock(sk); - if (!ctx->more) { - if ((msg->msg_flags & MSG_MORE)) - hash_free_result(sk, ctx); + continuing = ctx->more; - err = crypto_wait_req(crypto_ahash_init(&ctx->req), &ctx->wait); - if (err) - goto unlock; - } - - ctx->more = false; - - while (msg_data_left(msg)) { - int len = msg_data_left(msg); - - if (len > limit) - len = limit; - - len = af_alg_make_sg(&ctx->sgl, &msg->msg_iter, len); - if (len < 0) { - err = copied ? 0 : len; - goto unlock; - } - - ahash_request_set_crypt(&ctx->req, ctx->sgl.sg, NULL, len); - - err = crypto_wait_req(crypto_ahash_update(&ctx->req), - &ctx->wait); - af_alg_free_sg(&ctx->sgl); - if (err) { - iov_iter_revert(&msg->msg_iter, len); - goto unlock; + if (!continuing) { + /* Discard a previous request that wasn't marked MSG_MORE. */ + hash_free_result(sk, ctx); + if (!msg_data_left(msg)) + goto done; /* Zero-length; don't start new req */ + need_init = true; + } else if (!msg_data_left(msg)) { + /* + * No data - finalise the prev req if MSG_MORE so any error + * comes out here. + */ + if (!(msg->msg_flags & MSG_MORE)) { + err = hash_alloc_result(sk, ctx); + if (err) + goto unlock_free_result; + ahash_request_set_crypt(&ctx->req, NULL, + ctx->result, 0); + err = crypto_wait_req(crypto_ahash_final(&ctx->req), + &ctx->wait); + if (err) + goto unlock_free_result; } - - copied += len; + goto done_more; } - err = 0; + while (msg_data_left(msg)) { + ctx->sgl.sgt.sgl = ctx->sgl.sgl; + ctx->sgl.sgt.nents = 0; + ctx->sgl.sgt.orig_nents = 0; - ctx->more = msg->msg_flags & MSG_MORE; - if (!ctx->more) { - err = hash_alloc_result(sk, ctx); - if (err) - goto unlock; + err = -EIO; + npages = iov_iter_npages(&msg->msg_iter, max_pages); + if (npages == 0) + goto unlock_free; - ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0); - err = crypto_wait_req(crypto_ahash_final(&ctx->req), - &ctx->wait); - } + sg_init_table(ctx->sgl.sgl, npages); -unlock: - release_sock(sk); + ctx->sgl.need_unpin = iov_iter_extract_will_pin(&msg->msg_iter); - return err ?: copied; -} + err = extract_iter_to_sg(&msg->msg_iter, LONG_MAX, + &ctx->sgl.sgt, npages, 0); + if (err < 0) + goto unlock_free; + len = err; + sg_mark_end(ctx->sgl.sgt.sgl + ctx->sgl.sgt.nents - 1); -static ssize_t hash_sendpage(struct socket *sock, struct page *page, - int offset, size_t size, int flags) -{ - struct sock *sk = sock->sk; - struct alg_sock *ask = alg_sk(sk); - struct hash_ctx *ctx = ask->private; - int err; - - if (flags & MSG_SENDPAGE_NOTLAST) - flags |= MSG_MORE; - - lock_sock(sk); - sg_init_table(ctx->sgl.sg, 1); - sg_set_page(ctx->sgl.sg, page, size, offset); - - if (!(flags & MSG_MORE)) { - err = hash_alloc_result(sk, ctx); - if (err) - goto unlock; - } else if (!ctx->more) - hash_free_result(sk, ctx); + if (!msg_data_left(msg)) { + err = hash_alloc_result(sk, ctx); + if (err) + goto unlock_free; + } - ahash_request_set_crypt(&ctx->req, ctx->sgl.sg, ctx->result, size); + ahash_request_set_crypt(&ctx->req, ctx->sgl.sgt.sgl, + ctx->result, len); - if (!(flags & MSG_MORE)) { - if (ctx->more) - err = crypto_ahash_finup(&ctx->req); - else + if (!msg_data_left(msg) && !continuing && + !(msg->msg_flags & MSG_MORE)) { err = crypto_ahash_digest(&ctx->req); - } else { - if (!ctx->more) { - err = crypto_ahash_init(&ctx->req); - err = crypto_wait_req(err, &ctx->wait); - if (err) - goto unlock; + } else { + if (need_init) { + err = crypto_wait_req( + crypto_ahash_init(&ctx->req), + &ctx->wait); + if (err) + goto unlock_free; + need_init = false; + } + + if (msg_data_left(msg) || (msg->msg_flags & MSG_MORE)) + err = crypto_ahash_update(&ctx->req); + else + err = crypto_ahash_finup(&ctx->req); + continuing = true; } - err = crypto_ahash_update(&ctx->req); - } - - err = crypto_wait_req(err, &ctx->wait); - if (err) - goto unlock; + err = crypto_wait_req(err, &ctx->wait); + if (err) + goto unlock_free; - ctx->more = flags & MSG_MORE; + copied += len; + af_alg_free_sg(&ctx->sgl); + } +done_more: + ctx->more = msg->msg_flags & MSG_MORE; +done: + err = 0; unlock: release_sock(sk); + return copied ?: err; - return err ?: size; +unlock_free: + af_alg_free_sg(&ctx->sgl); +unlock_free_result: + hash_free_result(sk, ctx); + ctx->more = false; + goto unlock; } static int hash_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, @@ -228,8 +223,8 @@ unlock: return err ?: len; } -static int hash_accept(struct socket *sock, struct socket *newsock, int flags, - bool kern) +static int hash_accept(struct socket *sock, struct socket *newsock, + struct proto_accept_arg *arg) { struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); @@ -257,7 +252,7 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags, if (err) goto out_free_state; - err = af_alg_accept(ask->parent, newsock, kern); + err = af_alg_accept(ask->parent, newsock, arg); if (err) goto out_free_state; @@ -270,10 +265,6 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags, goto out_free_state; err = crypto_ahash_import(&ctx2->req, state); - if (err) { - sock_orphan(sk2); - sock_put(sk2); - } out_free_state: kfree_sensitive(state); @@ -296,7 +287,6 @@ static struct proto_ops algif_hash_ops = { .release = af_alg_release, .sendmsg = hash_sendmsg, - .sendpage = hash_sendpage, .recvmsg = hash_recvmsg, .accept = hash_accept, }; @@ -348,18 +338,6 @@ static int hash_sendmsg_nokey(struct socket *sock, struct msghdr *msg, return hash_sendmsg(sock, msg, size); } -static ssize_t hash_sendpage_nokey(struct socket *sock, struct page *page, - int offset, size_t size, int flags) -{ - int err; - - err = hash_check_key(sock); - if (err) - return err; - - return hash_sendpage(sock, page, offset, size, flags); -} - static int hash_recvmsg_nokey(struct socket *sock, struct msghdr *msg, size_t ignored, int flags) { @@ -373,7 +351,7 @@ static int hash_recvmsg_nokey(struct socket *sock, struct msghdr *msg, } static int hash_accept_nokey(struct socket *sock, struct socket *newsock, - int flags, bool kern) + struct proto_accept_arg *arg) { int err; @@ -381,7 +359,7 @@ static int hash_accept_nokey(struct socket *sock, struct socket *newsock, if (err) return err; - return hash_accept(sock, newsock, flags, kern); + return hash_accept(sock, newsock, arg); } static struct proto_ops algif_hash_ops_nokey = { @@ -398,7 +376,6 @@ static struct proto_ops algif_hash_ops_nokey = { .release = af_alg_release, .sendmsg = hash_sendmsg_nokey, - .sendpage = hash_sendpage_nokey, .recvmsg = hash_recvmsg_nokey, .accept = hash_accept_nokey, }; @@ -439,9 +416,8 @@ static int hash_accept_parent_nokey(void *private, struct sock *sk) if (!ctx) return -ENOMEM; - ctx->result = NULL; + memset(ctx, 0, len); ctx->len = len; - ctx->more = false; crypto_init_wait(&ctx->wait); ask->private = ctx; @@ -490,4 +466,5 @@ static void __exit algif_hash_exit(void) module_init(algif_hash_init); module_exit(algif_hash_exit); +MODULE_DESCRIPTION("Userspace interface for hash algorithms"); MODULE_LICENSE("GPL"); diff --git a/crypto/algif_rng.c b/crypto/algif_rng.c index 407408c43730..1a86e40c8372 100644 --- a/crypto/algif_rng.c +++ b/crypto/algif_rng.c @@ -174,7 +174,6 @@ static struct proto_ops algif_rng_ops = { .bind = sock_no_bind, .accept = sock_no_accept, .sendmsg = sock_no_sendmsg, - .sendpage = sock_no_sendpage, .release = af_alg_release, .recvmsg = rng_recvmsg, @@ -192,7 +191,6 @@ static struct proto_ops __maybe_unused algif_rng_test_ops = { .mmap = sock_no_mmap, .bind = sock_no_bind, .accept = sock_no_accept, - .sendpage = sock_no_sendpage, .release = af_alg_release, .recvmsg = rng_test_recvmsg, @@ -250,9 +248,8 @@ static int rng_accept_parent(void *private, struct sock *sk) if (!ctx) return -ENOMEM; + memset(ctx, 0, len); ctx->len = len; - ctx->addtl = NULL; - ctx->addtl_len = 0; /* * No seeding done at that point -- if multiple accepts are diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index ee8890ee8f33..125d395c5e00 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -9,10 +9,10 @@ * The following concept of the memory management is used: * * The kernel maintains two SGLs, the TX SGL and the RX SGL. The TX SGL is - * filled by user space with the data submitted via sendpage/sendmsg. Filling - * up the TX SGL does not cause a crypto operation -- the data will only be - * tracked by the kernel. Upon receipt of one recvmsg call, the caller must - * provide a buffer which is tracked with the RX SGL. + * filled by user space with the data submitted via sendmsg. Filling up the TX + * SGL does not cause a crypto operation -- the data will only be tracked by + * the kernel. Upon receipt of one recvmsg call, the caller must provide a + * buffer which is tracked with the RX SGL. * * During the processing of the recvmsg operation, the cipher request is * allocated and prepared. As part of the recvmsg operation, the processed @@ -47,6 +47,52 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg, return af_alg_sendmsg(sock, msg, size, ivsize); } +static int algif_skcipher_export(struct sock *sk, struct skcipher_request *req) +{ + struct alg_sock *ask = alg_sk(sk); + struct crypto_skcipher *tfm; + struct af_alg_ctx *ctx; + struct alg_sock *pask; + unsigned statesize; + struct sock *psk; + int err; + + if (!(req->base.flags & CRYPTO_SKCIPHER_REQ_NOTFINAL)) + return 0; + + ctx = ask->private; + psk = ask->parent; + pask = alg_sk(psk); + tfm = pask->private; + + statesize = crypto_skcipher_statesize(tfm); + ctx->state = sock_kmalloc(sk, statesize, GFP_ATOMIC); + if (!ctx->state) + return -ENOMEM; + + err = crypto_skcipher_export(req, ctx->state); + if (err) { + sock_kzfree_s(sk, ctx->state, statesize); + ctx->state = NULL; + } + + return err; +} + +static void algif_skcipher_done(void *data, int err) +{ + struct af_alg_async_req *areq = data; + struct sock *sk = areq->sk; + + if (err) + goto out; + + err = algif_skcipher_export(sk, &areq->cra_u.skcipher_req); + +out: + af_alg_async_cb(data, err); +} + static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, size_t ignored, int flags) { @@ -58,6 +104,7 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, struct crypto_skcipher *tfm = pask->private; unsigned int bs = crypto_skcipher_chunksize(tfm); struct af_alg_async_req *areq; + unsigned cflags = 0; int err = 0; size_t len = 0; @@ -82,8 +129,10 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, * If more buffers are to be expected to be processed, process only * full block size buffers. */ - if (ctx->more || len < ctx->used) + if (ctx->more || len < ctx->used) { len -= len % bs; + cflags |= CRYPTO_SKCIPHER_REQ_NOTFINAL; + } /* * Create a per request TX SGL for this request which tracks the @@ -105,7 +154,17 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, /* Initialize the crypto operation */ skcipher_request_set_tfm(&areq->cra_u.skcipher_req, tfm); skcipher_request_set_crypt(&areq->cra_u.skcipher_req, areq->tsgl, - areq->first_rsgl.sgl.sg, len, ctx->iv); + areq->first_rsgl.sgl.sgt.sgl, len, ctx->iv); + + if (ctx->state) { + err = crypto_skcipher_import(&areq->cra_u.skcipher_req, + ctx->state); + sock_kzfree_s(sk, ctx->state, crypto_skcipher_statesize(tfm)); + ctx->state = NULL; + if (err) + goto free; + cflags |= CRYPTO_SKCIPHER_REQ_CONT; + } if (msg->msg_iocb && !is_sync_kiocb(msg->msg_iocb)) { /* AIO operation */ @@ -116,8 +175,9 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, areq->outlen = len; skcipher_request_set_callback(&areq->cra_u.skcipher_req, + cflags | CRYPTO_TFM_REQ_MAY_SLEEP, - af_alg_async_cb, areq); + algif_skcipher_done, areq); err = ctx->enc ? crypto_skcipher_encrypt(&areq->cra_u.skcipher_req) : crypto_skcipher_decrypt(&areq->cra_u.skcipher_req); @@ -130,6 +190,7 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, } else { /* Synchronous operation */ skcipher_request_set_callback(&areq->cra_u.skcipher_req, + cflags | CRYPTO_TFM_REQ_MAY_SLEEP | CRYPTO_TFM_REQ_MAY_BACKLOG, crypto_req_done, &ctx->wait); @@ -137,8 +198,11 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, crypto_skcipher_encrypt(&areq->cra_u.skcipher_req) : crypto_skcipher_decrypt(&areq->cra_u.skcipher_req), &ctx->wait); - } + if (!err) + err = algif_skcipher_export( + sk, &areq->cra_u.skcipher_req); + } free: af_alg_free_resources(areq); @@ -194,7 +258,6 @@ static struct proto_ops algif_skcipher_ops = { .release = af_alg_release, .sendmsg = skcipher_sendmsg, - .sendpage = af_alg_sendpage, .recvmsg = skcipher_recvmsg, .poll = af_alg_poll, }; @@ -246,18 +309,6 @@ static int skcipher_sendmsg_nokey(struct socket *sock, struct msghdr *msg, return skcipher_sendmsg(sock, msg, size); } -static ssize_t skcipher_sendpage_nokey(struct socket *sock, struct page *page, - int offset, size_t size, int flags) -{ - int err; - - err = skcipher_check_key(sock); - if (err) - return err; - - return af_alg_sendpage(sock, page, offset, size, flags); -} - static int skcipher_recvmsg_nokey(struct socket *sock, struct msghdr *msg, size_t ignored, int flags) { @@ -285,7 +336,6 @@ static struct proto_ops algif_skcipher_ops_nokey = { .release = af_alg_release, .sendmsg = skcipher_sendmsg_nokey, - .sendpage = skcipher_sendpage_nokey, .recvmsg = skcipher_recvmsg_nokey, .poll = af_alg_poll, }; @@ -315,6 +365,8 @@ static void skcipher_sock_destruct(struct sock *sk) af_alg_pull_tsgl(sk, ctx->used, NULL, 0); sock_kzfree_s(sk, ctx->iv, crypto_skcipher_ivsize(tfm)); + if (ctx->state) + sock_kzfree_s(sk, ctx->state, crypto_skcipher_statesize(tfm)); sock_kfree_s(sk, ctx, ctx->len); af_alg_release_parent(sk); } @@ -385,4 +437,5 @@ static void __exit algif_skcipher_exit(void) module_init(algif_skcipher_init); module_exit(algif_skcipher_exit); +MODULE_DESCRIPTION("Userspace interface for skcipher algorithms"); MODULE_LICENSE("GPL"); diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c deleted file mode 100644 index 3f512efaba3a..000000000000 --- a/crypto/ansi_cprng.c +++ /dev/null @@ -1,474 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * PRNG: Pseudo Random Number Generator - * Based on NIST Recommended PRNG From ANSI X9.31 Appendix A.2.4 using - * AES 128 cipher - * - * (C) Neil Horman <nhorman@tuxdriver.com> - */ - -#include <crypto/internal/cipher.h> -#include <crypto/internal/rng.h> -#include <linux/err.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/string.h> - -#define DEFAULT_PRNG_KEY "0123456789abcdef" -#define DEFAULT_PRNG_KSZ 16 -#define DEFAULT_BLK_SZ 16 -#define DEFAULT_V_SEED "zaybxcwdveuftgsh" - -/* - * Flags for the prng_context flags field - */ - -#define PRNG_FIXED_SIZE 0x1 -#define PRNG_NEED_RESET 0x2 - -/* - * Note: DT is our counter value - * I is our intermediate value - * V is our seed vector - * See http://csrc.nist.gov/groups/STM/cavp/documents/rng/931rngext.pdf - * for implementation details - */ - - -struct prng_context { - spinlock_t prng_lock; - unsigned char rand_data[DEFAULT_BLK_SZ]; - unsigned char last_rand_data[DEFAULT_BLK_SZ]; - unsigned char DT[DEFAULT_BLK_SZ]; - unsigned char I[DEFAULT_BLK_SZ]; - unsigned char V[DEFAULT_BLK_SZ]; - u32 rand_data_valid; - struct crypto_cipher *tfm; - u32 flags; -}; - -static int dbg; - -static void hexdump(char *note, unsigned char *buf, unsigned int len) -{ - if (dbg) { - printk(KERN_CRIT "%s", note); - print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET, - 16, 1, - buf, len, false); - } -} - -#define dbgprint(format, args...) do {\ -if (dbg)\ - printk(format, ##args);\ -} while (0) - -static void xor_vectors(unsigned char *in1, unsigned char *in2, - unsigned char *out, unsigned int size) -{ - int i; - - for (i = 0; i < size; i++) - out[i] = in1[i] ^ in2[i]; - -} -/* - * Returns DEFAULT_BLK_SZ bytes of random data per call - * returns 0 if generation succeeded, <0 if something went wrong - */ -static int _get_more_prng_bytes(struct prng_context *ctx, int cont_test) -{ - int i; - unsigned char tmp[DEFAULT_BLK_SZ]; - unsigned char *output = NULL; - - - dbgprint(KERN_CRIT "Calling _get_more_prng_bytes for context %p\n", - ctx); - - hexdump("Input DT: ", ctx->DT, DEFAULT_BLK_SZ); - hexdump("Input I: ", ctx->I, DEFAULT_BLK_SZ); - hexdump("Input V: ", ctx->V, DEFAULT_BLK_SZ); - - /* - * This algorithm is a 3 stage state machine - */ - for (i = 0; i < 3; i++) { - - switch (i) { - case 0: - /* - * Start by encrypting the counter value - * This gives us an intermediate value I - */ - memcpy(tmp, ctx->DT, DEFAULT_BLK_SZ); - output = ctx->I; - hexdump("tmp stage 0: ", tmp, DEFAULT_BLK_SZ); - break; - case 1: - - /* - * Next xor I with our secret vector V - * encrypt that result to obtain our - * pseudo random data which we output - */ - xor_vectors(ctx->I, ctx->V, tmp, DEFAULT_BLK_SZ); - hexdump("tmp stage 1: ", tmp, DEFAULT_BLK_SZ); - output = ctx->rand_data; - break; - case 2: - /* - * First check that we didn't produce the same - * random data that we did last time around through this - */ - if (!memcmp(ctx->rand_data, ctx->last_rand_data, - DEFAULT_BLK_SZ)) { - if (cont_test) { - panic("cprng %p Failed repetition check!\n", - ctx); - } - - printk(KERN_ERR - "ctx %p Failed repetition check!\n", - ctx); - - ctx->flags |= PRNG_NEED_RESET; - return -EINVAL; - } - memcpy(ctx->last_rand_data, ctx->rand_data, - DEFAULT_BLK_SZ); - - /* - * Lastly xor the random data with I - * and encrypt that to obtain a new secret vector V - */ - xor_vectors(ctx->rand_data, ctx->I, tmp, - DEFAULT_BLK_SZ); - output = ctx->V; - hexdump("tmp stage 2: ", tmp, DEFAULT_BLK_SZ); - break; - } - - - /* do the encryption */ - crypto_cipher_encrypt_one(ctx->tfm, output, tmp); - - } - - /* - * Now update our DT value - */ - for (i = DEFAULT_BLK_SZ - 1; i >= 0; i--) { - ctx->DT[i] += 1; - if (ctx->DT[i] != 0) - break; - } - - dbgprint("Returning new block for context %p\n", ctx); - ctx->rand_data_valid = 0; - - hexdump("Output DT: ", ctx->DT, DEFAULT_BLK_SZ); - hexdump("Output I: ", ctx->I, DEFAULT_BLK_SZ); - hexdump("Output V: ", ctx->V, DEFAULT_BLK_SZ); - hexdump("New Random Data: ", ctx->rand_data, DEFAULT_BLK_SZ); - - return 0; -} - -/* Our exported functions */ -static int get_prng_bytes(char *buf, size_t nbytes, struct prng_context *ctx, - int do_cont_test) -{ - unsigned char *ptr = buf; - unsigned int byte_count = (unsigned int)nbytes; - int err; - - - spin_lock_bh(&ctx->prng_lock); - - err = -EINVAL; - if (ctx->flags & PRNG_NEED_RESET) - goto done; - - /* - * If the FIXED_SIZE flag is on, only return whole blocks of - * pseudo random data - */ - err = -EINVAL; - if (ctx->flags & PRNG_FIXED_SIZE) { - if (nbytes < DEFAULT_BLK_SZ) - goto done; - byte_count = DEFAULT_BLK_SZ; - } - - /* - * Return 0 in case of success as mandated by the kernel - * crypto API interface definition. - */ - err = 0; - - dbgprint(KERN_CRIT "getting %d random bytes for context %p\n", - byte_count, ctx); - - -remainder: - if (ctx->rand_data_valid == DEFAULT_BLK_SZ) { - if (_get_more_prng_bytes(ctx, do_cont_test) < 0) { - memset(buf, 0, nbytes); - err = -EINVAL; - goto done; - } - } - - /* - * Copy any data less than an entire block - */ - if (byte_count < DEFAULT_BLK_SZ) { -empty_rbuf: - while (ctx->rand_data_valid < DEFAULT_BLK_SZ) { - *ptr = ctx->rand_data[ctx->rand_data_valid]; - ptr++; - byte_count--; - ctx->rand_data_valid++; - if (byte_count == 0) - goto done; - } - } - - /* - * Now copy whole blocks - */ - for (; byte_count >= DEFAULT_BLK_SZ; byte_count -= DEFAULT_BLK_SZ) { - if (ctx->rand_data_valid == DEFAULT_BLK_SZ) { - if (_get_more_prng_bytes(ctx, do_cont_test) < 0) { - memset(buf, 0, nbytes); - err = -EINVAL; - goto done; - } - } - if (ctx->rand_data_valid > 0) - goto empty_rbuf; - memcpy(ptr, ctx->rand_data, DEFAULT_BLK_SZ); - ctx->rand_data_valid += DEFAULT_BLK_SZ; - ptr += DEFAULT_BLK_SZ; - } - - /* - * Now go back and get any remaining partial block - */ - if (byte_count) - goto remainder; - -done: - spin_unlock_bh(&ctx->prng_lock); - dbgprint(KERN_CRIT "returning %d from get_prng_bytes in context %p\n", - err, ctx); - return err; -} - -static void free_prng_context(struct prng_context *ctx) -{ - crypto_free_cipher(ctx->tfm); -} - -static int reset_prng_context(struct prng_context *ctx, - const unsigned char *key, size_t klen, - const unsigned char *V, const unsigned char *DT) -{ - int ret; - const unsigned char *prng_key; - - spin_lock_bh(&ctx->prng_lock); - ctx->flags |= PRNG_NEED_RESET; - - prng_key = (key != NULL) ? key : (unsigned char *)DEFAULT_PRNG_KEY; - - if (!key) - klen = DEFAULT_PRNG_KSZ; - - if (V) - memcpy(ctx->V, V, DEFAULT_BLK_SZ); - else - memcpy(ctx->V, DEFAULT_V_SEED, DEFAULT_BLK_SZ); - - if (DT) - memcpy(ctx->DT, DT, DEFAULT_BLK_SZ); - else - memset(ctx->DT, 0, DEFAULT_BLK_SZ); - - memset(ctx->rand_data, 0, DEFAULT_BLK_SZ); - memset(ctx->last_rand_data, 0, DEFAULT_BLK_SZ); - - ctx->rand_data_valid = DEFAULT_BLK_SZ; - - ret = crypto_cipher_setkey(ctx->tfm, prng_key, klen); - if (ret) { - dbgprint(KERN_CRIT "PRNG: setkey() failed flags=%x\n", - crypto_cipher_get_flags(ctx->tfm)); - goto out; - } - - ret = 0; - ctx->flags &= ~PRNG_NEED_RESET; -out: - spin_unlock_bh(&ctx->prng_lock); - return ret; -} - -static int cprng_init(struct crypto_tfm *tfm) -{ - struct prng_context *ctx = crypto_tfm_ctx(tfm); - - spin_lock_init(&ctx->prng_lock); - ctx->tfm = crypto_alloc_cipher("aes", 0, 0); - if (IS_ERR(ctx->tfm)) { - dbgprint(KERN_CRIT "Failed to alloc tfm for context %p\n", - ctx); - return PTR_ERR(ctx->tfm); - } - - if (reset_prng_context(ctx, NULL, DEFAULT_PRNG_KSZ, NULL, NULL) < 0) - return -EINVAL; - - /* - * after allocation, we should always force the user to reset - * so they don't inadvertently use the insecure default values - * without specifying them intentially - */ - ctx->flags |= PRNG_NEED_RESET; - return 0; -} - -static void cprng_exit(struct crypto_tfm *tfm) -{ - free_prng_context(crypto_tfm_ctx(tfm)); -} - -static int cprng_get_random(struct crypto_rng *tfm, - const u8 *src, unsigned int slen, - u8 *rdata, unsigned int dlen) -{ - struct prng_context *prng = crypto_rng_ctx(tfm); - - return get_prng_bytes(rdata, dlen, prng, 0); -} - -/* - * This is the cprng_registered reset method the seed value is - * interpreted as the tuple { V KEY DT} - * V and KEY are required during reset, and DT is optional, detected - * as being present by testing the length of the seed - */ -static int cprng_reset(struct crypto_rng *tfm, - const u8 *seed, unsigned int slen) -{ - struct prng_context *prng = crypto_rng_ctx(tfm); - const u8 *key = seed + DEFAULT_BLK_SZ; - const u8 *dt = NULL; - - if (slen < DEFAULT_PRNG_KSZ + DEFAULT_BLK_SZ) - return -EINVAL; - - if (slen >= (2 * DEFAULT_BLK_SZ + DEFAULT_PRNG_KSZ)) - dt = key + DEFAULT_PRNG_KSZ; - - reset_prng_context(prng, key, DEFAULT_PRNG_KSZ, seed, dt); - - if (prng->flags & PRNG_NEED_RESET) - return -EINVAL; - return 0; -} - -#ifdef CONFIG_CRYPTO_FIPS -static int fips_cprng_get_random(struct crypto_rng *tfm, - const u8 *src, unsigned int slen, - u8 *rdata, unsigned int dlen) -{ - struct prng_context *prng = crypto_rng_ctx(tfm); - - return get_prng_bytes(rdata, dlen, prng, 1); -} - -static int fips_cprng_reset(struct crypto_rng *tfm, - const u8 *seed, unsigned int slen) -{ - u8 rdata[DEFAULT_BLK_SZ]; - const u8 *key = seed + DEFAULT_BLK_SZ; - int rc; - - struct prng_context *prng = crypto_rng_ctx(tfm); - - if (slen < DEFAULT_PRNG_KSZ + DEFAULT_BLK_SZ) - return -EINVAL; - - /* fips strictly requires seed != key */ - if (!memcmp(seed, key, DEFAULT_PRNG_KSZ)) - return -EINVAL; - - rc = cprng_reset(tfm, seed, slen); - - if (!rc) - goto out; - - /* this primes our continuity test */ - rc = get_prng_bytes(rdata, DEFAULT_BLK_SZ, prng, 0); - prng->rand_data_valid = DEFAULT_BLK_SZ; - -out: - return rc; -} -#endif - -static struct rng_alg rng_algs[] = { { - .generate = cprng_get_random, - .seed = cprng_reset, - .seedsize = DEFAULT_PRNG_KSZ + 2 * DEFAULT_BLK_SZ, - .base = { - .cra_name = "stdrng", - .cra_driver_name = "ansi_cprng", - .cra_priority = 100, - .cra_ctxsize = sizeof(struct prng_context), - .cra_module = THIS_MODULE, - .cra_init = cprng_init, - .cra_exit = cprng_exit, - } -#ifdef CONFIG_CRYPTO_FIPS -}, { - .generate = fips_cprng_get_random, - .seed = fips_cprng_reset, - .seedsize = DEFAULT_PRNG_KSZ + 2 * DEFAULT_BLK_SZ, - .base = { - .cra_name = "fips(ansi_cprng)", - .cra_driver_name = "fips_ansi_cprng", - .cra_priority = 300, - .cra_ctxsize = sizeof(struct prng_context), - .cra_module = THIS_MODULE, - .cra_init = cprng_init, - .cra_exit = cprng_exit, - } -#endif -} }; - -/* Module initalization */ -static int __init prng_mod_init(void) -{ - return crypto_register_rngs(rng_algs, ARRAY_SIZE(rng_algs)); -} - -static void __exit prng_mod_fini(void) -{ - crypto_unregister_rngs(rng_algs, ARRAY_SIZE(rng_algs)); -} - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Software Pseudo Random Number Generator"); -MODULE_AUTHOR("Neil Horman <nhorman@tuxdriver.com>"); -module_param(dbg, int, 0); -MODULE_PARM_DESC(dbg, "Boolean to enable debugging (0/1 == off/on)"); -subsys_initcall(prng_mod_init); -module_exit(prng_mod_fini); -MODULE_ALIAS_CRYPTO("stdrng"); -MODULE_ALIAS_CRYPTO("ansi_cprng"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); diff --git a/crypto/anubis.c b/crypto/anubis.c index 9f0cf61bbc6e..4b01b6ec961a 100644 --- a/crypto/anubis.c +++ b/crypto/anubis.c @@ -33,7 +33,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/mm.h> -#include <asm/byteorder.h> +#include <linux/unaligned.h> #include <linux/types.h> #define ANUBIS_MIN_KEY_SIZE 16 @@ -463,7 +463,6 @@ static int anubis_setkey(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct anubis_ctx *ctx = crypto_tfm_ctx(tfm); - const __be32 *key = (const __be32 *)in_key; int N, R, i, r; u32 kappa[ANUBIS_MAX_N]; u32 inter[ANUBIS_MAX_N]; @@ -482,7 +481,7 @@ static int anubis_setkey(struct crypto_tfm *tfm, const u8 *in_key, /* * map cipher key to initial key state (mu): */ for (i = 0; i < N; i++) - kappa[i] = be32_to_cpu(key[i]); + kappa[i] = get_unaligned_be32(&in_key[4 * i]); /* * generate R + 1 round keys: @@ -570,10 +569,8 @@ static int anubis_setkey(struct crypto_tfm *tfm, const u8 *in_key, } static void anubis_crypt(u32 roundKey[ANUBIS_MAX_ROUNDS + 1][4], - u8 *ciphertext, const u8 *plaintext, const int R) + u8 *dst, const u8 *src, const int R) { - const __be32 *src = (const __be32 *)plaintext; - __be32 *dst = (__be32 *)ciphertext; int i, r; u32 state[4]; u32 inter[4]; @@ -583,7 +580,7 @@ static void anubis_crypt(u32 roundKey[ANUBIS_MAX_ROUNDS + 1][4], * and add initial round key (sigma[K^0]): */ for (i = 0; i < 4; i++) - state[i] = be32_to_cpu(src[i]) ^ roundKey[0][i]; + state[i] = get_unaligned_be32(&src[4 * i]) ^ roundKey[0][i]; /* * R - 1 full rounds: @@ -654,7 +651,7 @@ static void anubis_crypt(u32 roundKey[ANUBIS_MAX_ROUNDS + 1][4], */ for (i = 0; i < 4; i++) - dst[i] = cpu_to_be32(inter[i]); + put_unaligned_be32(inter[i], &dst[4 * i]); } static void anubis_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) @@ -675,7 +672,6 @@ static struct crypto_alg anubis_alg = { .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = ANUBIS_BLOCK_SIZE, .cra_ctxsize = sizeof (struct anubis_ctx), - .cra_alignmask = 3, .cra_module = THIS_MODULE, .cra_u = { .cipher = { .cia_min_keysize = ANUBIS_MIN_KEY_SIZE, @@ -687,10 +683,7 @@ static struct crypto_alg anubis_alg = { static int __init anubis_mod_init(void) { - int ret = 0; - - ret = crypto_register_alg(&anubis_alg); - return ret; + return crypto_register_alg(&anubis_alg); } static void __exit anubis_mod_fini(void) @@ -698,7 +691,7 @@ static void __exit anubis_mod_fini(void) crypto_unregister_alg(&anubis_alg); } -subsys_initcall(anubis_mod_init); +module_init(anubis_mod_init); module_exit(anubis_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/api.c b/crypto/api.c index d375e8cd770d..5724d62e9d07 100644 --- a/crypto/api.c +++ b/crypto/api.c @@ -31,12 +31,14 @@ EXPORT_SYMBOL_GPL(crypto_alg_sem); BLOCKING_NOTIFIER_HEAD(crypto_chain); EXPORT_SYMBOL_GPL(crypto_chain); -#ifndef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS +#if IS_BUILTIN(CONFIG_CRYPTO_ALGAPI) && IS_ENABLED(CONFIG_CRYPTO_SELFTESTS) DEFINE_STATIC_KEY_FALSE(__crypto_boot_test_finished); -EXPORT_SYMBOL_GPL(__crypto_boot_test_finished); #endif -static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg); +static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg, + u32 type, u32 mask); +static struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, + u32 mask); struct crypto_alg *crypto_mod_get(struct crypto_alg *alg) { @@ -68,11 +70,6 @@ static struct crypto_alg *__crypto_alg_lookup(const char *name, u32 type, if ((q->cra_flags ^ type) & mask) continue; - if (crypto_is_larval(q) && - !crypto_is_test_larval((struct crypto_larval *)q) && - ((struct crypto_larval *)q)->mask != mask) - continue; - exact = !strcmp(q->cra_driver_name, name); fuzzy = !strcmp(q->cra_name, name); if (!exact && !(fuzzy && q->cra_priority > best)) @@ -111,6 +108,8 @@ struct crypto_larval *crypto_larval_alloc(const char *name, u32 type, u32 mask) if (!larval) return ERR_PTR(-ENOMEM); + type &= ~CRYPTO_ALG_TYPE_MASK | (mask ?: CRYPTO_ALG_TYPE_MASK); + larval->mask = mask; larval->alg.cra_flags = CRYPTO_ALG_LARVAL | type; larval->alg.cra_priority = -1; @@ -146,38 +145,37 @@ static struct crypto_alg *crypto_larval_add(const char *name, u32 type, if (alg != &larval->alg) { kfree(larval); if (crypto_is_larval(alg)) - alg = crypto_larval_wait(alg); + alg = crypto_larval_wait(alg, type, mask); } return alg; } -void crypto_larval_kill(struct crypto_alg *alg) +static void crypto_larval_kill(struct crypto_larval *larval) { - struct crypto_larval *larval = (void *)alg; + bool unlinked; down_write(&crypto_alg_sem); - list_del(&alg->cra_list); + unlinked = list_empty(&larval->alg.cra_list); + if (!unlinked) + list_del_init(&larval->alg.cra_list); up_write(&crypto_alg_sem); + + if (unlinked) + return; + complete_all(&larval->completion); - crypto_alg_put(alg); + crypto_alg_put(&larval->alg); } -EXPORT_SYMBOL_GPL(crypto_larval_kill); -void crypto_wait_for_test(struct crypto_larval *larval) +void crypto_schedule_test(struct crypto_larval *larval) { int err; err = crypto_probing_notify(CRYPTO_MSG_ALG_REGISTER, larval->adult); - if (WARN_ON_ONCE(err != NOTIFY_STOP)) - goto out; - - err = wait_for_completion_killable(&larval->completion); - WARN_ON(err); -out: - crypto_larval_kill(&larval->alg); + WARN_ON_ONCE(err != NOTIFY_STOP); } -EXPORT_SYMBOL_GPL(crypto_wait_for_test); +EXPORT_SYMBOL_GPL(crypto_schedule_test); static void crypto_start_test(struct crypto_larval *larval) { @@ -196,28 +194,45 @@ static void crypto_start_test(struct crypto_larval *larval) larval->test_started = true; up_write(&crypto_alg_sem); - crypto_wait_for_test(larval); + crypto_schedule_test(larval); } -static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg) +static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg, + u32 type, u32 mask) { - struct crypto_larval *larval = (void *)alg; - long timeout; + struct crypto_larval *larval; + long time_left; + +again: + larval = container_of(alg, struct crypto_larval, alg); if (!crypto_boot_test_finished()) crypto_start_test(larval); - timeout = wait_for_completion_killable_timeout( + time_left = wait_for_completion_killable_timeout( &larval->completion, 60 * HZ); alg = larval->adult; - if (timeout < 0) + if (time_left < 0) alg = ERR_PTR(-EINTR); - else if (!timeout) + else if (!time_left) { + if (crypto_is_test_larval(larval)) + crypto_larval_kill(larval); alg = ERR_PTR(-ETIMEDOUT); - else if (!alg) - alg = ERR_PTR(-ENOENT); - else if (IS_ERR(alg)) + } else if (!alg || PTR_ERR(alg) == -EEXIST) { + int err = alg ? -EEXIST : -EAGAIN; + + /* + * EEXIST is expected because two probes can be scheduled + * at the same time with one using alg_name and the other + * using driver_name. Do a re-lookup but do not retry in + * case we hit a quirk like gcm_base(ctr(aes),...) which + * will never match. + */ + alg = &larval->alg; + alg = crypto_alg_lookup(alg->cra_name, type, mask) ?: + ERR_PTR(err); + } else if (IS_ERR(alg)) ; else if (crypto_is_test_larval(larval) && !(alg->cra_flags & CRYPTO_ALG_TESTED)) @@ -228,6 +243,9 @@ static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg) alg = ERR_PTR(-EAGAIN); crypto_mod_put(&larval->alg); + if (!IS_ERR(alg) && crypto_is_larval(alg)) + goto again; + return alg; } @@ -291,9 +309,13 @@ static struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, } if (!IS_ERR_OR_NULL(alg) && crypto_is_larval(alg)) - alg = crypto_larval_wait(alg); - else if (!alg) + alg = crypto_larval_wait(alg, type, mask); + else if (alg) + ; + else if (!(mask & CRYPTO_ALG_TESTED)) alg = crypto_larval_add(name, type, mask); + else + alg = ERR_PTR(-ENOENT); return alg; } @@ -335,25 +357,16 @@ struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask) ok = crypto_probing_notify(CRYPTO_MSG_ALG_REQUEST, larval); if (ok == NOTIFY_STOP) - alg = crypto_larval_wait(larval); + alg = crypto_larval_wait(larval, type, mask); else { crypto_mod_put(larval); alg = ERR_PTR(-ENOENT); } - crypto_larval_kill(larval); + crypto_larval_kill(container_of(larval, struct crypto_larval, alg)); return alg; } EXPORT_SYMBOL_GPL(crypto_alg_mod_lookup); -static int crypto_init_ops(struct crypto_tfm *tfm, u32 type, u32 mask) -{ - const struct crypto_type *type_obj = tfm->__crt_alg->cra_type; - - if (type_obj) - return type_obj->init(tfm, type, mask); - return 0; -} - static void crypto_exit_ops(struct crypto_tfm *tfm) { const struct crypto_type *type = tfm->__crt_alg->cra_type; @@ -378,10 +391,6 @@ static unsigned int crypto_ctxsize(struct crypto_alg *alg, u32 type, u32 mask) case CRYPTO_ALG_TYPE_CIPHER: len += crypto_cipher_ctxsize(alg); break; - - case CRYPTO_ALG_TYPE_COMPRESS: - len += crypto_compress_ctxsize(alg); - break; } return len; @@ -395,25 +404,21 @@ void crypto_shoot_alg(struct crypto_alg *alg) } EXPORT_SYMBOL_GPL(crypto_shoot_alg); -struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type, - u32 mask) +struct crypto_tfm *__crypto_alloc_tfmgfp(struct crypto_alg *alg, u32 type, + u32 mask, gfp_t gfp) { - struct crypto_tfm *tfm = NULL; + struct crypto_tfm *tfm; unsigned int tfm_size; int err = -ENOMEM; tfm_size = sizeof(*tfm) + crypto_ctxsize(alg, type, mask); - tfm = kzalloc(tfm_size, GFP_KERNEL); + tfm = kzalloc(tfm_size, gfp); if (tfm == NULL) goto out_err; tfm->__crt_alg = alg; refcount_set(&tfm->refcnt, 1); - err = crypto_init_ops(tfm, type, mask); - if (err) - goto out_free_tfm; - if (!tfm->exit && alg->cra_init && (err = alg->cra_init(tfm))) goto cra_init_failed; @@ -421,7 +426,6 @@ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type, cra_init_failed: crypto_exit_ops(tfm); -out_free_tfm: if (err == -EAGAIN) crypto_shoot_alg(alg); kfree(tfm); @@ -430,6 +434,13 @@ out_err: out: return tfm; } +EXPORT_SYMBOL_GPL(__crypto_alloc_tfmgfp); + +struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type, + u32 mask) +{ + return __crypto_alloc_tfmgfp(alg, type, mask, GFP_KERNEL); +} EXPORT_SYMBOL_GPL(__crypto_alloc_tfm); /* @@ -525,6 +536,7 @@ void *crypto_create_tfm_node(struct crypto_alg *alg, goto out; tfm = (struct crypto_tfm *)(mem + frontend->tfmsize); + tfm->fb = tfm; err = frontend->init_tfm(tfm); if (err) @@ -566,7 +578,7 @@ void *crypto_clone_tfm(const struct crypto_type *frontend, tfm = (struct crypto_tfm *)(mem + frontend->tfmsize); tfm->crt_flags = otfm->crt_flags; - tfm->exit = otfm->exit; + tfm->fb = tfm; out: return mem; @@ -700,5 +712,31 @@ void crypto_req_done(void *data, int err) } EXPORT_SYMBOL_GPL(crypto_req_done); +void crypto_destroy_alg(struct crypto_alg *alg) +{ + if (alg->cra_type && alg->cra_type->destroy) + alg->cra_type->destroy(alg); + if (alg->cra_destroy) + alg->cra_destroy(alg); +} +EXPORT_SYMBOL_GPL(crypto_destroy_alg); + +struct crypto_async_request *crypto_request_clone( + struct crypto_async_request *req, size_t total, gfp_t gfp) +{ + struct crypto_tfm *tfm = req->tfm; + struct crypto_async_request *nreq; + + nreq = kmemdup(req, total, gfp); + if (!nreq) { + req->tfm = tfm->fb; + return req; + } + + nreq->flags &= ~CRYPTO_TFM_REQ_ON_STACK; + return nreq; +} +EXPORT_SYMBOL_GPL(crypto_request_clone); + MODULE_DESCRIPTION("Cryptographic core API"); MODULE_LICENSE("GPL"); diff --git a/crypto/arc4.c b/crypto/arc4.c index 3254dcc34368..1608018111d0 100644 --- a/crypto/arc4.c +++ b/crypto/arc4.c @@ -7,7 +7,6 @@ * Jon Oberheide <jon@oberheide.org> */ -#include <crypto/algapi.h> #include <crypto/arc4.h> #include <crypto/internal/skcipher.h> #include <linux/init.h> @@ -15,33 +14,31 @@ #include <linux/module.h> #include <linux/sched.h> -static int crypto_arc4_setkey(struct crypto_skcipher *tfm, const u8 *in_key, +#define ARC4_ALIGN __alignof__(struct arc4_ctx) + +static int crypto_arc4_setkey(struct crypto_lskcipher *tfm, const u8 *in_key, unsigned int key_len) { - struct arc4_ctx *ctx = crypto_skcipher_ctx(tfm); + struct arc4_ctx *ctx = crypto_lskcipher_ctx(tfm); return arc4_setkey(ctx, in_key, key_len); } -static int crypto_arc4_crypt(struct skcipher_request *req) +static int crypto_arc4_crypt(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned nbytes, u8 *siv, u32 flags) { - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct arc4_ctx *ctx = crypto_skcipher_ctx(tfm); - struct skcipher_walk walk; - int err; + struct arc4_ctx *ctx = crypto_lskcipher_ctx(tfm); - err = skcipher_walk_virt(&walk, req, false); + if (!(flags & CRYPTO_LSKCIPHER_FLAG_CONT)) + memcpy(siv, ctx, sizeof(*ctx)); - while (walk.nbytes > 0) { - arc4_crypt(ctx, walk.dst.virt.addr, walk.src.virt.addr, - walk.nbytes); - err = skcipher_walk_done(&walk, 0); - } + ctx = (struct arc4_ctx *)siv; - return err; + arc4_crypt(ctx, dst, src, nbytes); + return 0; } -static int crypto_arc4_init(struct crypto_skcipher *tfm) +static int crypto_arc4_init(struct crypto_lskcipher *tfm) { pr_warn_ratelimited("\"%s\" (%ld) uses obsolete ecb(arc4) skcipher\n", current->comm, (unsigned long)current->pid); @@ -49,36 +46,34 @@ static int crypto_arc4_init(struct crypto_skcipher *tfm) return 0; } -static struct skcipher_alg arc4_alg = { - /* - * For legacy reasons, this is named "ecb(arc4)", not "arc4". - * Nevertheless it's actually a stream cipher, not a block cipher. - */ - .base.cra_name = "ecb(arc4)", - .base.cra_driver_name = "ecb(arc4)-generic", - .base.cra_priority = 100, - .base.cra_blocksize = ARC4_BLOCK_SIZE, - .base.cra_ctxsize = sizeof(struct arc4_ctx), - .base.cra_module = THIS_MODULE, - .min_keysize = ARC4_MIN_KEY_SIZE, - .max_keysize = ARC4_MAX_KEY_SIZE, - .setkey = crypto_arc4_setkey, - .encrypt = crypto_arc4_crypt, - .decrypt = crypto_arc4_crypt, - .init = crypto_arc4_init, +static struct lskcipher_alg arc4_alg = { + .co.base.cra_name = "arc4", + .co.base.cra_driver_name = "arc4-generic", + .co.base.cra_priority = 100, + .co.base.cra_blocksize = ARC4_BLOCK_SIZE, + .co.base.cra_ctxsize = sizeof(struct arc4_ctx), + .co.base.cra_alignmask = ARC4_ALIGN - 1, + .co.base.cra_module = THIS_MODULE, + .co.min_keysize = ARC4_MIN_KEY_SIZE, + .co.max_keysize = ARC4_MAX_KEY_SIZE, + .co.statesize = sizeof(struct arc4_ctx), + .setkey = crypto_arc4_setkey, + .encrypt = crypto_arc4_crypt, + .decrypt = crypto_arc4_crypt, + .init = crypto_arc4_init, }; static int __init arc4_init(void) { - return crypto_register_skcipher(&arc4_alg); + return crypto_register_lskcipher(&arc4_alg); } static void __exit arc4_exit(void) { - crypto_unregister_skcipher(&arc4_alg); + crypto_unregister_lskcipher(&arc4_alg); } -subsys_initcall(arc4_init); +module_init(arc4_init); module_exit(arc4_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/aria_generic.c b/crypto/aria_generic.c index d96dfc4fdde6..faa7900383f6 100644 --- a/crypto/aria_generic.c +++ b/crypto/aria_generic.c @@ -15,6 +15,7 @@ */ #include <crypto/aria.h> +#include <linux/unaligned.h> static const u32 key_rc[20] = { 0x517cc1b7, 0x27220a94, 0xfe13abe8, 0xfa9a6ee0, @@ -27,7 +28,6 @@ static const u32 key_rc[20] = { static void aria_set_encrypt_key(struct aria_ctx *ctx, const u8 *in_key, unsigned int key_len) { - const __be32 *key = (const __be32 *)in_key; u32 w0[4], w1[4], w2[4], w3[4]; u32 reg0, reg1, reg2, reg3; const u32 *ck; @@ -35,10 +35,10 @@ static void aria_set_encrypt_key(struct aria_ctx *ctx, const u8 *in_key, ck = &key_rc[(key_len - 16) / 2]; - w0[0] = be32_to_cpu(key[0]); - w0[1] = be32_to_cpu(key[1]); - w0[2] = be32_to_cpu(key[2]); - w0[3] = be32_to_cpu(key[3]); + w0[0] = get_unaligned_be32(&in_key[0]); + w0[1] = get_unaligned_be32(&in_key[4]); + w0[2] = get_unaligned_be32(&in_key[8]); + w0[3] = get_unaligned_be32(&in_key[12]); reg0 = w0[0] ^ ck[0]; reg1 = w0[1] ^ ck[1]; @@ -48,11 +48,11 @@ static void aria_set_encrypt_key(struct aria_ctx *ctx, const u8 *in_key, aria_subst_diff_odd(®0, ®1, ®2, ®3); if (key_len > 16) { - w1[0] = be32_to_cpu(key[4]); - w1[1] = be32_to_cpu(key[5]); + w1[0] = get_unaligned_be32(&in_key[16]); + w1[1] = get_unaligned_be32(&in_key[20]); if (key_len > 24) { - w1[2] = be32_to_cpu(key[6]); - w1[3] = be32_to_cpu(key[7]); + w1[2] = get_unaligned_be32(&in_key[24]); + w1[3] = get_unaligned_be32(&in_key[28]); } else { w1[2] = 0; w1[3] = 0; @@ -195,17 +195,15 @@ EXPORT_SYMBOL_GPL(aria_set_key); static void __aria_crypt(struct aria_ctx *ctx, u8 *out, const u8 *in, u32 key[][ARIA_RD_KEY_WORDS]) { - const __be32 *src = (const __be32 *)in; - __be32 *dst = (__be32 *)out; u32 reg0, reg1, reg2, reg3; int rounds, rkidx = 0; rounds = ctx->rounds; - reg0 = be32_to_cpu(src[0]); - reg1 = be32_to_cpu(src[1]); - reg2 = be32_to_cpu(src[2]); - reg3 = be32_to_cpu(src[3]); + reg0 = get_unaligned_be32(&in[0]); + reg1 = get_unaligned_be32(&in[4]); + reg2 = get_unaligned_be32(&in[8]); + reg3 = get_unaligned_be32(&in[12]); aria_add_round_key(key[rkidx], ®0, ®1, ®2, ®3); rkidx++; @@ -241,10 +239,10 @@ static void __aria_crypt(struct aria_ctx *ctx, u8 *out, const u8 *in, (u8)(s1[get_u8(reg3, 2)]), (u8)(s2[get_u8(reg3, 3)])); - dst[0] = cpu_to_be32(reg0); - dst[1] = cpu_to_be32(reg1); - dst[2] = cpu_to_be32(reg2); - dst[3] = cpu_to_be32(reg3); + put_unaligned_be32(reg0, &out[0]); + put_unaligned_be32(reg1, &out[4]); + put_unaligned_be32(reg2, &out[8]); + put_unaligned_be32(reg3, &out[12]); } void aria_encrypt(void *_ctx, u8 *out, const u8 *in) @@ -284,7 +282,6 @@ static struct crypto_alg aria_alg = { .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = ARIA_BLOCK_SIZE, .cra_ctxsize = sizeof(struct aria_ctx), - .cra_alignmask = 3, .cra_module = THIS_MODULE, .cra_u = { .cipher = { @@ -307,7 +304,7 @@ static void __exit aria_fini(void) crypto_unregister_alg(&aria_alg); } -subsys_initcall(aria_init); +module_init(aria_init); module_exit(aria_fini); MODULE_DESCRIPTION("ARIA Cipher Algorithm"); diff --git a/crypto/asymmetric_keys/Kconfig b/crypto/asymmetric_keys/Kconfig index 1ef3b46d6f6e..e1345b8f39f1 100644 --- a/crypto/asymmetric_keys/Kconfig +++ b/crypto/asymmetric_keys/Kconfig @@ -15,6 +15,7 @@ config ASYMMETRIC_PUBLIC_KEY_SUBTYPE select MPILIB select CRYPTO_HASH_INFO select CRYPTO_AKCIPHER + select CRYPTO_SIG select CRYPTO_HASH help This option provides support for asymmetric public key type handling. @@ -76,7 +77,7 @@ config SIGNED_PE_FILE_VERIFICATION signed PE binary. config FIPS_SIGNATURE_SELFTEST - bool "Run FIPS selftests on the X.509+PKCS7 signature verification" + tristate "Run FIPS selftests on the X.509+PKCS7 signature verification" help This option causes some selftests to be run on the signature verification code, using some built in data. This is required @@ -84,5 +85,22 @@ config FIPS_SIGNATURE_SELFTEST depends on KEYS depends on ASYMMETRIC_KEY_TYPE depends on PKCS7_MESSAGE_PARSER=X509_CERTIFICATE_PARSER + depends on X509_CERTIFICATE_PARSER + depends on CRYPTO_RSA + depends on CRYPTO_SHA256 + +config FIPS_SIGNATURE_SELFTEST_RSA + bool + default y + depends on FIPS_SIGNATURE_SELFTEST + depends on CRYPTO_SHA256=y || CRYPTO_SHA256=FIPS_SIGNATURE_SELFTEST + depends on CRYPTO_RSA=y || CRYPTO_RSA=FIPS_SIGNATURE_SELFTEST + +config FIPS_SIGNATURE_SELFTEST_ECDSA + bool + default y + depends on FIPS_SIGNATURE_SELFTEST + depends on CRYPTO_SHA256=y || CRYPTO_SHA256=FIPS_SIGNATURE_SELFTEST + depends on CRYPTO_ECDSA=y || CRYPTO_ECDSA=FIPS_SIGNATURE_SELFTEST endif # ASYMMETRIC_KEY_TYPE diff --git a/crypto/asymmetric_keys/Makefile b/crypto/asymmetric_keys/Makefile index 0d1fa1b692c6..bc65d3b98dcb 100644 --- a/crypto/asymmetric_keys/Makefile +++ b/crypto/asymmetric_keys/Makefile @@ -22,7 +22,10 @@ x509_key_parser-y := \ x509_cert_parser.o \ x509_loader.o \ x509_public_key.o -x509_key_parser-$(CONFIG_FIPS_SIGNATURE_SELFTEST) += selftest.o +obj-$(CONFIG_FIPS_SIGNATURE_SELFTEST) += x509_selftest.o +x509_selftest-y += selftest.o +x509_selftest-$(CONFIG_FIPS_SIGNATURE_SELFTEST_RSA) += selftest_rsa.o +x509_selftest-$(CONFIG_FIPS_SIGNATURE_SELFTEST_ECDSA) += selftest_ecdsa.o $(obj)/x509_cert_parser.o: \ $(obj)/x509.asn1.h \ diff --git a/crypto/asymmetric_keys/asymmetric_type.c b/crypto/asymmetric_keys/asymmetric_type.c index a5da8ccd353e..348966ea2175 100644 --- a/crypto/asymmetric_keys/asymmetric_type.c +++ b/crypto/asymmetric_keys/asymmetric_type.c @@ -11,6 +11,7 @@ #include <crypto/public_key.h> #include <linux/seq_file.h> #include <linux/module.h> +#include <linux/overflow.h> #include <linux/slab.h> #include <linux/ctype.h> #include <keys/system_keyring.h> @@ -18,16 +19,6 @@ #include "asymmetric_keys.h" -const char *const key_being_used_for[NR__KEY_BEING_USED_FOR] = { - [VERIFYING_MODULE_SIGNATURE] = "mod sig", - [VERIFYING_FIRMWARE_SIGNATURE] = "firmware sig", - [VERIFYING_KEXEC_PE_SIGNATURE] = "kexec PE sig", - [VERIFYING_KEY_SIGNATURE] = "key sig", - [VERIFYING_KEY_SELF_SIGNATURE] = "key self sig", - [VERIFYING_UNSPECIFIED_SIGNATURE] = "unspec sig", -}; -EXPORT_SYMBOL_GPL(key_being_used_for); - static LIST_HEAD(asymmetric_key_parsers); static DECLARE_RWSEM(asymmetric_key_parsers_sem); @@ -60,17 +51,18 @@ struct key *find_asymmetric_key(struct key *keyring, char *req, *p; int len; - WARN_ON(!id_0 && !id_1 && !id_2); - if (id_0) { lookup = id_0->data; len = id_0->len; } else if (id_1) { lookup = id_1->data; len = id_1->len; - } else { + } else if (id_2) { lookup = id_2->data; len = id_2->len; + } else { + WARN_ON(1); + return ERR_PTR(-EINVAL); } /* Construct an identifier "id:<keyid>". */ @@ -150,12 +142,17 @@ struct asymmetric_key_id *asymmetric_key_generate_id(const void *val_1, size_t len_2) { struct asymmetric_key_id *kid; - - kid = kmalloc(sizeof(struct asymmetric_key_id) + len_1 + len_2, - GFP_KERNEL); + size_t kid_sz; + size_t len; + + if (check_add_overflow(len_1, len_2, &len)) + return ERR_PTR(-EOVERFLOW); + if (check_add_overflow(sizeof(struct asymmetric_key_id), len, &kid_sz)) + return ERR_PTR(-EOVERFLOW); + kid = kmalloc(kid_sz, GFP_KERNEL); if (!kid) return ERR_PTR(-ENOMEM); - kid->len = len_1 + len_2; + kid->len = len; memcpy(kid->data, val_1, len_1); memcpy(kid->data + len_1, val_2, len_2); return kid; diff --git a/crypto/asymmetric_keys/mscode_parser.c b/crypto/asymmetric_keys/mscode_parser.c index 839591ad21ac..8aecbe4637f3 100644 --- a/crypto/asymmetric_keys/mscode_parser.c +++ b/crypto/asymmetric_keys/mscode_parser.c @@ -75,12 +75,6 @@ int mscode_note_digest_algo(void *context, size_t hdrlen, oid = look_up_OID(value, vlen); switch (oid) { - case OID_md4: - ctx->digest_algo = "md4"; - break; - case OID_md5: - ctx->digest_algo = "md5"; - break; case OID_sha1: ctx->digest_algo = "sha1"; break; @@ -93,8 +87,14 @@ int mscode_note_digest_algo(void *context, size_t hdrlen, case OID_sha512: ctx->digest_algo = "sha512"; break; - case OID_sha224: - ctx->digest_algo = "sha224"; + case OID_sha3_256: + ctx->digest_algo = "sha3-256"; + break; + case OID_sha3_384: + ctx->digest_algo = "sha3-384"; + break; + case OID_sha3_512: + ctx->digest_algo = "sha3-512"; break; case OID__NR: diff --git a/crypto/asymmetric_keys/pkcs7.asn1 b/crypto/asymmetric_keys/pkcs7.asn1 index 1eca740b816a..28e1f4a41c14 100644 --- a/crypto/asymmetric_keys/pkcs7.asn1 +++ b/crypto/asymmetric_keys/pkcs7.asn1 @@ -1,3 +1,10 @@ +-- SPDX-License-Identifier: BSD-3-Clause +-- +-- Copyright (C) 2009 IETF Trust and the persons identified as authors +-- of the code +-- +-- https://www.rfc-editor.org/rfc/rfc5652#section-3 + PKCS7ContentInfo ::= SEQUENCE { contentType ContentType ({ pkcs7_check_content_type }), content [0] EXPLICIT SignedData OPTIONAL diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c index 277482bb1777..423d13c47545 100644 --- a/crypto/asymmetric_keys/pkcs7_parser.c +++ b/crypto/asymmetric_keys/pkcs7_parser.c @@ -227,12 +227,6 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen, struct pkcs7_parse_context *ctx = context; switch (ctx->last_oid) { - case OID_md4: - ctx->sinfo->sig->hash_algo = "md4"; - break; - case OID_md5: - ctx->sinfo->sig->hash_algo = "md5"; - break; case OID_sha1: ctx->sinfo->sig->hash_algo = "sha1"; break; @@ -257,6 +251,15 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen, case OID_gost2012Digest512: ctx->sinfo->sig->hash_algo = "streebog512"; break; + case OID_sha3_256: + ctx->sinfo->sig->hash_algo = "sha3-256"; + break; + case OID_sha3_384: + ctx->sinfo->sig->hash_algo = "sha3-384"; + break; + case OID_sha3_512: + ctx->sinfo->sig->hash_algo = "sha3-512"; + break; default: printk("Unsupported digest algo: %u\n", ctx->last_oid); return -ENOPKG; @@ -283,13 +286,12 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen, case OID_id_ecdsa_with_sha256: case OID_id_ecdsa_with_sha384: case OID_id_ecdsa_with_sha512: + case OID_id_ecdsa_with_sha3_256: + case OID_id_ecdsa_with_sha3_384: + case OID_id_ecdsa_with_sha3_512: ctx->sinfo->sig->pkey_algo = "ecdsa"; ctx->sinfo->sig->encoding = "x962"; break; - case OID_SM2_with_SM3: - ctx->sinfo->sig->pkey_algo = "sm2"; - ctx->sinfo->sig->encoding = "raw"; - break; case OID_gost2012PKey256: case OID_gost2012PKey512: ctx->sinfo->sig->pkey_algo = "ecrdsa"; diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c index f0d4ff3c20a8..6d6475e3a9bf 100644 --- a/crypto/asymmetric_keys/pkcs7_verify.c +++ b/crypto/asymmetric_keys/pkcs7_verify.c @@ -429,6 +429,7 @@ int pkcs7_verify(struct pkcs7_message *pkcs7, /* Authattr presence checked in parser */ break; case VERIFYING_UNSPECIFIED_SIGNATURE: + case VERIFYING_BPF_SIGNATURE: if (pkcs7->data_type != OID_data) { pr_warn("Invalid unspecified sig (not pkcs7-data)\n"); return -EKEYREJECTED; diff --git a/crypto/asymmetric_keys/pkcs8.asn1 b/crypto/asymmetric_keys/pkcs8.asn1 index 702c41a3c713..a2a8af2633d8 100644 --- a/crypto/asymmetric_keys/pkcs8.asn1 +++ b/crypto/asymmetric_keys/pkcs8.asn1 @@ -1,3 +1,9 @@ +-- SPDX-License-Identifier: BSD-3-Clause +-- +-- Copyright (C) 2010 IETF Trust and the persons identified as authors +-- of the code +-- +-- https://www.rfc-editor.org/rfc/rfc5958#section-2 -- -- This is the unencrypted variant -- diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index eca5671ad3f2..e5b177c8e842 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -8,18 +8,17 @@ */ #define pr_fmt(fmt) "PKEY: "fmt -#include <linux/module.h> -#include <linux/export.h> +#include <crypto/akcipher.h> +#include <crypto/public_key.h> +#include <crypto/sig.h> +#include <keys/asymmetric-subtype.h> +#include <linux/asn1.h> +#include <linux/err.h> #include <linux/kernel.h> -#include <linux/slab.h> +#include <linux/module.h> #include <linux/seq_file.h> -#include <linux/scatterlist.h> -#include <linux/asn1.h> -#include <keys/asymmetric-subtype.h> -#include <crypto/public_key.h> -#include <crypto/akcipher.h> -#include <crypto/sm2.h> -#include <crypto/sm3_base.h> +#include <linux/slab.h> +#include <linux/string.h> MODULE_DESCRIPTION("In-software asymmetric public-key subtype"); MODULE_AUTHOR("Red Hat, Inc."); @@ -43,7 +42,7 @@ static void public_key_describe(const struct key *asymmetric_key, void public_key_free(struct public_key *key) { if (key) { - kfree(key->key); + kfree_sensitive(key->key); kfree(key->params); kfree(key); } @@ -67,10 +66,13 @@ static void public_key_destroy(void *payload0, void *payload3) static int software_key_determine_akcipher(const struct public_key *pkey, const char *encoding, const char *hash_algo, - char alg_name[CRYPTO_MAX_ALG_NAME]) + char alg_name[CRYPTO_MAX_ALG_NAME], bool *sig, + enum kernel_pkey_operation op) { int n; + *sig = true; + if (!encoding) return -EINVAL; @@ -79,14 +81,23 @@ software_key_determine_akcipher(const struct public_key *pkey, * RSA signatures usually use EMSA-PKCS1-1_5 [RFC3447 sec 8.2]. */ if (strcmp(encoding, "pkcs1") == 0) { - if (!hash_algo) + *sig = op == kernel_pkey_sign || + op == kernel_pkey_verify; + if (!*sig) { + /* + * For encrypt/decrypt, hash_algo is not used + * but allowed to be set for historic reasons. + */ n = snprintf(alg_name, CRYPTO_MAX_ALG_NAME, "pkcs1pad(%s)", pkey->pkey_algo); - else + } else { + if (!hash_algo) + hash_algo = "none"; n = snprintf(alg_name, CRYPTO_MAX_ALG_NAME, - "pkcs1pad(%s,%s)", + "pkcs1(%s,%s)", pkey->pkey_algo, hash_algo); + } return n >= CRYPTO_MAX_ALG_NAME ? -EINVAL : 0; } if (strcmp(encoding, "raw") != 0) @@ -97,8 +108,10 @@ software_key_determine_akcipher(const struct public_key *pkey, */ if (hash_algo) return -EINVAL; + *sig = false; } else if (strncmp(pkey->pkey_algo, "ecdsa", 5) == 0) { - if (strcmp(encoding, "x962") != 0) + if (strcmp(encoding, "x962") != 0 && + strcmp(encoding, "p1363") != 0) return -EINVAL; /* * ECDSA signatures are taken over a raw hash, so they don't @@ -113,15 +126,14 @@ software_key_determine_akcipher(const struct public_key *pkey, strcmp(hash_algo, "sha224") != 0 && strcmp(hash_algo, "sha256") != 0 && strcmp(hash_algo, "sha384") != 0 && - strcmp(hash_algo, "sha512") != 0) - return -EINVAL; - } else if (strcmp(pkey->pkey_algo, "sm2") == 0) { - if (strcmp(encoding, "raw") != 0) - return -EINVAL; - if (!hash_algo) - return -EINVAL; - if (strcmp(hash_algo, "sm3") != 0) + strcmp(hash_algo, "sha512") != 0 && + strcmp(hash_algo, "sha3-256") != 0 && + strcmp(hash_algo, "sha3-384") != 0 && + strcmp(hash_algo, "sha3-512") != 0) return -EINVAL; + n = snprintf(alg_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", + encoding, pkey->pkey_algo); + return n >= CRYPTO_MAX_ALG_NAME ? -EINVAL : 0; } else if (strcmp(pkey->pkey_algo, "ecrdsa") == 0) { if (strcmp(encoding, "raw") != 0) return -EINVAL; @@ -151,76 +163,100 @@ static u8 *pkey_pack_u32(u8 *dst, u32 val) static int software_key_query(const struct kernel_pkey_params *params, struct kernel_pkey_query *info) { - struct crypto_akcipher *tfm; struct public_key *pkey = params->key->payload.data[asym_crypto]; char alg_name[CRYPTO_MAX_ALG_NAME]; u8 *key, *ptr; int ret, len; + bool issig; ret = software_key_determine_akcipher(pkey, params->encoding, - params->hash_algo, alg_name); + params->hash_algo, alg_name, + &issig, kernel_pkey_sign); if (ret < 0) return ret; - tfm = crypto_alloc_akcipher(alg_name, 0, 0); - if (IS_ERR(tfm)) - return PTR_ERR(tfm); - - ret = -ENOMEM; key = kmalloc(pkey->keylen + sizeof(u32) * 2 + pkey->paramlen, GFP_KERNEL); if (!key) - goto error_free_tfm; + return -ENOMEM; + memcpy(key, pkey->key, pkey->keylen); ptr = key + pkey->keylen; ptr = pkey_pack_u32(ptr, pkey->algo); ptr = pkey_pack_u32(ptr, pkey->paramlen); memcpy(ptr, pkey->params, pkey->paramlen); - if (pkey->key_is_private) - ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen); - else - ret = crypto_akcipher_set_pub_key(tfm, key, pkey->keylen); - if (ret < 0) - goto error_free_key; + memset(info, 0, sizeof(*info)); - len = crypto_akcipher_maxsize(tfm); - info->key_size = len * 8; + if (issig) { + struct crypto_sig *sig; - if (strncmp(pkey->pkey_algo, "ecdsa", 5) == 0) { - /* - * ECDSA key sizes are much smaller than RSA, and thus could - * operate on (hashed) inputs that are larger than key size. - * For example SHA384-hashed input used with secp256r1 - * based keys. Set max_data_size to be at least as large as - * the largest supported hash size (SHA512) - */ - info->max_data_size = 64; + sig = crypto_alloc_sig(alg_name, 0, 0); + if (IS_ERR(sig)) { + ret = PTR_ERR(sig); + goto error_free_key; + } - /* - * Verify takes ECDSA-Sig (described in RFC 5480) as input, - * which is actually 2 'key_size'-bit integers encoded in - * ASN.1. Account for the ASN.1 encoding overhead here. - */ - info->max_sig_size = 2 * (len + 3) + 2; + if (pkey->key_is_private) + ret = crypto_sig_set_privkey(sig, key, pkey->keylen); + else + ret = crypto_sig_set_pubkey(sig, key, pkey->keylen); + if (ret < 0) + goto error_free_sig; + + len = crypto_sig_keysize(sig); + info->key_size = len; + info->max_sig_size = crypto_sig_maxsize(sig); + info->max_data_size = crypto_sig_digestsize(sig); + + info->supported_ops = KEYCTL_SUPPORTS_VERIFY; + if (pkey->key_is_private) + info->supported_ops |= KEYCTL_SUPPORTS_SIGN; + + if (strcmp(params->encoding, "pkcs1") == 0) { + info->max_enc_size = len / BITS_PER_BYTE; + info->max_dec_size = len / BITS_PER_BYTE; + + info->supported_ops |= KEYCTL_SUPPORTS_ENCRYPT; + if (pkey->key_is_private) + info->supported_ops |= KEYCTL_SUPPORTS_DECRYPT; + } + +error_free_sig: + crypto_free_sig(sig); } else { - info->max_data_size = len; + struct crypto_akcipher *tfm; + + tfm = crypto_alloc_akcipher(alg_name, 0, 0); + if (IS_ERR(tfm)) { + ret = PTR_ERR(tfm); + goto error_free_key; + } + + if (pkey->key_is_private) + ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen); + else + ret = crypto_akcipher_set_pub_key(tfm, key, pkey->keylen); + if (ret < 0) + goto error_free_akcipher; + + len = crypto_akcipher_maxsize(tfm); + info->key_size = len * BITS_PER_BYTE; info->max_sig_size = len; - } + info->max_data_size = len; + info->max_enc_size = len; + info->max_dec_size = len; - info->max_enc_size = len; - info->max_dec_size = len; - info->supported_ops = (KEYCTL_SUPPORTS_ENCRYPT | - KEYCTL_SUPPORTS_VERIFY); - if (pkey->key_is_private) - info->supported_ops |= (KEYCTL_SUPPORTS_DECRYPT | - KEYCTL_SUPPORTS_SIGN); - ret = 0; + info->supported_ops = KEYCTL_SUPPORTS_ENCRYPT; + if (pkey->key_is_private) + info->supported_ops |= KEYCTL_SUPPORTS_DECRYPT; + +error_free_akcipher: + crypto_free_akcipher(tfm); + } error_free_key: - kfree(key); -error_free_tfm: - crypto_free_akcipher(tfm); + kfree_sensitive(key); pr_devel("<==%s() = %d\n", __func__, ret); return ret; } @@ -232,34 +268,25 @@ static int software_key_eds_op(struct kernel_pkey_params *params, const void *in, void *out) { const struct public_key *pkey = params->key->payload.data[asym_crypto]; - struct akcipher_request *req; - struct crypto_akcipher *tfm; - struct crypto_wait cwait; - struct scatterlist in_sg, out_sg; char alg_name[CRYPTO_MAX_ALG_NAME]; + struct crypto_akcipher *tfm; + struct crypto_sig *sig; char *key, *ptr; + bool issig; int ret; pr_devel("==>%s()\n", __func__); ret = software_key_determine_akcipher(pkey, params->encoding, - params->hash_algo, alg_name); + params->hash_algo, alg_name, + &issig, params->op); if (ret < 0) return ret; - tfm = crypto_alloc_akcipher(alg_name, 0, 0); - if (IS_ERR(tfm)) - return PTR_ERR(tfm); - - ret = -ENOMEM; - req = akcipher_request_alloc(tfm, GFP_KERNEL); - if (!req) - goto error_free_tfm; - key = kmalloc(pkey->keylen + sizeof(u32) * 2 + pkey->paramlen, GFP_KERNEL); if (!key) - goto error_free_req; + return -ENOMEM; memcpy(key, pkey->key, pkey->keylen); ptr = key + pkey->keylen; @@ -267,122 +294,84 @@ static int software_key_eds_op(struct kernel_pkey_params *params, ptr = pkey_pack_u32(ptr, pkey->paramlen); memcpy(ptr, pkey->params, pkey->paramlen); - if (pkey->key_is_private) - ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen); - else - ret = crypto_akcipher_set_pub_key(tfm, key, pkey->keylen); - if (ret) - goto error_free_key; + if (issig) { + sig = crypto_alloc_sig(alg_name, 0, 0); + if (IS_ERR(sig)) { + ret = PTR_ERR(sig); + goto error_free_key; + } + + if (pkey->key_is_private) + ret = crypto_sig_set_privkey(sig, key, pkey->keylen); + else + ret = crypto_sig_set_pubkey(sig, key, pkey->keylen); + if (ret) + goto error_free_tfm; + } else { + tfm = crypto_alloc_akcipher(alg_name, 0, 0); + if (IS_ERR(tfm)) { + ret = PTR_ERR(tfm); + goto error_free_key; + } - sg_init_one(&in_sg, in, params->in_len); - sg_init_one(&out_sg, out, params->out_len); - akcipher_request_set_crypt(req, &in_sg, &out_sg, params->in_len, - params->out_len); - crypto_init_wait(&cwait); - akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | - CRYPTO_TFM_REQ_MAY_SLEEP, - crypto_req_done, &cwait); + if (pkey->key_is_private) + ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen); + else + ret = crypto_akcipher_set_pub_key(tfm, key, pkey->keylen); + if (ret) + goto error_free_tfm; + } + + ret = -EINVAL; /* Perform the encryption calculation. */ switch (params->op) { case kernel_pkey_encrypt: - ret = crypto_akcipher_encrypt(req); + if (issig) + break; + ret = crypto_akcipher_sync_encrypt(tfm, in, params->in_len, + out, params->out_len); break; case kernel_pkey_decrypt: - ret = crypto_akcipher_decrypt(req); + if (issig) + break; + ret = crypto_akcipher_sync_decrypt(tfm, in, params->in_len, + out, params->out_len); break; case kernel_pkey_sign: - ret = crypto_akcipher_sign(req); + if (!issig) + break; + ret = crypto_sig_sign(sig, in, params->in_len, + out, params->out_len); break; default: BUG(); } - ret = crypto_wait_req(ret, &cwait); - if (ret == 0) - ret = req->dst_len; + if (!issig && ret == 0) + ret = crypto_akcipher_maxsize(tfm); -error_free_key: - kfree(key); -error_free_req: - akcipher_request_free(req); error_free_tfm: - crypto_free_akcipher(tfm); + if (issig) + crypto_free_sig(sig); + else + crypto_free_akcipher(tfm); +error_free_key: + kfree_sensitive(key); pr_devel("<==%s() = %d\n", __func__, ret); return ret; } -#if IS_REACHABLE(CONFIG_CRYPTO_SM2) -static int cert_sig_digest_update(const struct public_key_signature *sig, - struct crypto_akcipher *tfm_pkey) -{ - struct crypto_shash *tfm; - struct shash_desc *desc; - size_t desc_size; - unsigned char dgst[SM3_DIGEST_SIZE]; - int ret; - - BUG_ON(!sig->data); - - /* SM2 signatures always use the SM3 hash algorithm */ - if (!sig->hash_algo || strcmp(sig->hash_algo, "sm3") != 0) - return -EINVAL; - - ret = sm2_compute_z_digest(tfm_pkey, SM2_DEFAULT_USERID, - SM2_DEFAULT_USERID_LEN, dgst); - if (ret) - return ret; - - tfm = crypto_alloc_shash(sig->hash_algo, 0, 0); - if (IS_ERR(tfm)) - return PTR_ERR(tfm); - - desc_size = crypto_shash_descsize(tfm) + sizeof(*desc); - desc = kzalloc(desc_size, GFP_KERNEL); - if (!desc) { - ret = -ENOMEM; - goto error_free_tfm; - } - - desc->tfm = tfm; - - ret = crypto_shash_init(desc); - if (ret < 0) - goto error_free_desc; - - ret = crypto_shash_update(desc, dgst, SM3_DIGEST_SIZE); - if (ret < 0) - goto error_free_desc; - - ret = crypto_shash_finup(desc, sig->data, sig->data_size, sig->digest); - -error_free_desc: - kfree(desc); -error_free_tfm: - crypto_free_shash(tfm); - return ret; -} -#else -static inline int cert_sig_digest_update( - const struct public_key_signature *sig, - struct crypto_akcipher *tfm_pkey) -{ - return -ENOTSUPP; -} -#endif /* ! IS_REACHABLE(CONFIG_CRYPTO_SM2) */ - /* * Verify a signature using a public key. */ int public_key_verify_signature(const struct public_key *pkey, const struct public_key_signature *sig) { - struct crypto_wait cwait; - struct crypto_akcipher *tfm; - struct akcipher_request *req; - struct scatterlist src_sg[2]; char alg_name[CRYPTO_MAX_ALG_NAME]; + struct crypto_sig *tfm; char *key, *ptr; + bool issig; int ret; pr_devel("==>%s()\n", __func__); @@ -407,23 +396,21 @@ int public_key_verify_signature(const struct public_key *pkey, } ret = software_key_determine_akcipher(pkey, sig->encoding, - sig->hash_algo, alg_name); + sig->hash_algo, alg_name, + &issig, kernel_pkey_verify); if (ret < 0) return ret; - tfm = crypto_alloc_akcipher(alg_name, 0, 0); + tfm = crypto_alloc_sig(alg_name, 0, 0); if (IS_ERR(tfm)) return PTR_ERR(tfm); - ret = -ENOMEM; - req = akcipher_request_alloc(tfm, GFP_KERNEL); - if (!req) - goto error_free_tfm; - key = kmalloc(pkey->keylen + sizeof(u32) * 2 + pkey->paramlen, GFP_KERNEL); - if (!key) - goto error_free_req; + if (!key) { + ret = -ENOMEM; + goto error_free_tfm; + } memcpy(key, pkey->key, pkey->keylen); ptr = key + pkey->keylen; @@ -432,35 +419,19 @@ int public_key_verify_signature(const struct public_key *pkey, memcpy(ptr, pkey->params, pkey->paramlen); if (pkey->key_is_private) - ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen); + ret = crypto_sig_set_privkey(tfm, key, pkey->keylen); else - ret = crypto_akcipher_set_pub_key(tfm, key, pkey->keylen); + ret = crypto_sig_set_pubkey(tfm, key, pkey->keylen); if (ret) goto error_free_key; - if (strcmp(pkey->pkey_algo, "sm2") == 0 && sig->data_size) { - ret = cert_sig_digest_update(sig, tfm); - if (ret) - goto error_free_key; - } - - sg_init_table(src_sg, 2); - sg_set_buf(&src_sg[0], sig->s, sig->s_size); - sg_set_buf(&src_sg[1], sig->digest, sig->digest_size); - akcipher_request_set_crypt(req, src_sg, NULL, sig->s_size, - sig->digest_size); - crypto_init_wait(&cwait); - akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | - CRYPTO_TFM_REQ_MAY_SLEEP, - crypto_req_done, &cwait); - ret = crypto_wait_req(crypto_akcipher_verify(req), &cwait); + ret = crypto_sig_verify(tfm, sig->s, sig->s_size, + sig->digest, sig->digest_size); error_free_key: - kfree(key); -error_free_req: - akcipher_request_free(req); + kfree_sensitive(key); error_free_tfm: - crypto_free_akcipher(tfm); + crypto_free_sig(tfm); pr_devel("<==%s() = %d\n", __func__, ret); if (WARN_ON_ONCE(ret > 0)) ret = -EINVAL; diff --git a/crypto/asymmetric_keys/restrict.c b/crypto/asymmetric_keys/restrict.c index 276bdb627498..86292965f493 100644 --- a/crypto/asymmetric_keys/restrict.c +++ b/crypto/asymmetric_keys/restrict.c @@ -17,9 +17,12 @@ static struct asymmetric_key_id *ca_keyid; #ifndef MODULE static struct { - struct asymmetric_key_id id; - unsigned char data[10]; + /* Must be last as it ends in a flexible-array member. */ + TRAILING_OVERLAP(struct asymmetric_key_id, id, data, + unsigned char data[10]; + ); } cakey; +static_assert(offsetof(typeof(cakey), id.data) == offsetof(typeof(cakey), data)); static int __init ca_keys_setup(char *str) { @@ -102,6 +105,10 @@ int restrict_link_by_signature(struct key *dest_keyring, if (use_builtin_keys && !test_bit(KEY_FLAG_BUILTIN, &key->flags)) ret = -ENOKEY; + else if (IS_BUILTIN(CONFIG_SECONDARY_TRUSTED_KEYRING_SIGNED_BY_BUILTIN) && + !strcmp(dest_keyring->description, ".secondary_trusted_keys") && + !test_bit(KEY_FLAG_BUILTIN, &key->flags)) + ret = -ENOKEY; else ret = verify_signature(key, sig); key_put(key); @@ -148,6 +155,50 @@ int restrict_link_by_ca(struct key *dest_keyring, return 0; } +/** + * restrict_link_by_digsig - Restrict additions to a ring of digsig keys + * @dest_keyring: Keyring being linked to. + * @type: The type of key being added. + * @payload: The payload of the new key. + * @trust_keyring: A ring of keys that can be used to vouch for the new cert. + * + * Check if the new certificate has digitalSignature usage set. If it is, + * then mark the new certificate as being ok to link. Afterwards verify + * the new certificate against the ones in the trust_keyring. + * + * Returns 0 if the new certificate was accepted, -ENOKEY if the + * certificate is not a digsig. -ENOPKG if the signature uses unsupported + * crypto, or some other error if there is a matching certificate but + * the signature check cannot be performed. + */ +int restrict_link_by_digsig(struct key *dest_keyring, + const struct key_type *type, + const union key_payload *payload, + struct key *trust_keyring) +{ + const struct public_key *pkey; + + if (type != &key_type_asymmetric) + return -EOPNOTSUPP; + + pkey = payload->data[asym_crypto]; + + if (!pkey) + return -ENOPKG; + + if (!test_bit(KEY_EFLAG_DIGITALSIG, &pkey->key_eflags)) + return -ENOKEY; + + if (test_bit(KEY_EFLAG_CA, &pkey->key_eflags)) + return -ENOKEY; + + if (test_bit(KEY_EFLAG_KEYCERTSIGN, &pkey->key_eflags)) + return -ENOKEY; + + return restrict_link_by_signature(dest_keyring, type, payload, + trust_keyring); +} + static bool match_either_id(const struct asymmetric_key_id **pair, const struct asymmetric_key_id *single) { diff --git a/crypto/asymmetric_keys/selftest.c b/crypto/asymmetric_keys/selftest.c index fa0bf7f24284..98dc5cdfdebe 100644 --- a/crypto/asymmetric_keys/selftest.c +++ b/crypto/asymmetric_keys/selftest.c @@ -1,186 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Self-testing for signature checking. * * Copyright (C) 2022 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) */ -#include <linux/kernel.h> +#include <crypto/pkcs7.h> #include <linux/cred.h> +#include <linux/kernel.h> #include <linux/key.h> -#include <crypto/pkcs7.h> +#include <linux/module.h> +#include "selftest.h" #include "x509_parser.h" -struct certs_test { - const u8 *data; - size_t data_len; - const u8 *pkcs7; - size_t pkcs7_len; -}; - -/* - * Set of X.509 certificates to provide public keys for the tests. These will - * be loaded into a temporary keyring for the duration of the testing. - */ -static const __initconst u8 certs_selftest_keys[] = { - "\x30\x82\x05\x55\x30\x82\x03\x3d\xa0\x03\x02\x01\x02\x02\x14\x73" - "\x98\xea\x98\x2d\xd0\x2e\xa8\xb1\xcf\x57\xc7\xf2\x97\xb3\xe6\x1a" - "\xfc\x8c\x0a\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x01\x0b" - "\x05\x00\x30\x34\x31\x32\x30\x30\x06\x03\x55\x04\x03\x0c\x29\x43" - "\x65\x72\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66" - "\x69\x63\x61\x74\x69\x6f\x6e\x20\x73\x65\x6c\x66\x2d\x74\x65\x73" - "\x74\x69\x6e\x67\x20\x6b\x65\x79\x30\x20\x17\x0d\x32\x32\x30\x35" - "\x31\x38\x32\x32\x33\x32\x34\x31\x5a\x18\x0f\x32\x31\x32\x32\x30" - "\x34\x32\x34\x32\x32\x33\x32\x34\x31\x5a\x30\x34\x31\x32\x30\x30" - "\x06\x03\x55\x04\x03\x0c\x29\x43\x65\x72\x74\x69\x66\x69\x63\x61" - "\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63\x61\x74\x69\x6f\x6e\x20" - "\x73\x65\x6c\x66\x2d\x74\x65\x73\x74\x69\x6e\x67\x20\x6b\x65\x79" - "\x30\x82\x02\x22\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x01" - "\x01\x05\x00\x03\x82\x02\x0f\x00\x30\x82\x02\x0a\x02\x82\x02\x01" - "\x00\xcc\xac\x49\xdd\x3b\xca\xb0\x15\x7e\x84\x6a\xb2\x0a\x69\x5f" - "\x1c\x0a\x61\x82\x3b\x4f\x2c\xa3\x95\x2c\x08\x58\x4b\xb1\x5d\x99" - "\xe0\xc3\xc1\x79\xc2\xb3\xeb\xc0\x1e\x6d\x3e\x54\x1d\xbd\xb7\x92" - "\x7b\x4d\xb5\x95\x58\xb2\x52\x2e\xc6\x24\x4b\x71\x63\x80\x32\x77" - "\xa7\x38\x5e\xdb\x72\xae\x6e\x0d\xec\xfb\xb6\x6d\x01\x7f\xe9\x55" - "\x66\xdf\xbf\x1d\x76\x78\x02\x31\xe8\xe5\x07\xf8\xb7\x82\x5c\x0d" - "\xd4\xbb\xfb\xa2\x59\x0d\x2e\x3a\x78\x95\x3a\x8b\x46\x06\x47\x44" - "\x46\xd7\xcd\x06\x6a\x41\x13\xe3\x19\xf6\xbb\x6e\x38\xf4\x83\x01" - "\xa3\xbf\x4a\x39\x4f\xd7\x0a\xe9\x38\xb3\xf5\x94\x14\x4e\xdd\xf7" - "\x43\xfd\x24\xb2\x49\x3c\xa5\xf7\x7a\x7c\xd4\x45\x3d\x97\x75\x68" - "\xf1\xed\x4c\x42\x0b\x70\xca\x85\xf3\xde\xe5\x88\x2c\xc5\xbe\xb6" - "\x97\x34\xba\x24\x02\xcd\x8b\x86\x9f\xa9\x73\xca\x73\xcf\x92\x81" - "\xee\x75\x55\xbb\x18\x67\x5c\xff\x3f\xb5\xdd\x33\x1b\x0c\xe9\x78" - "\xdb\x5c\xcf\xaa\x5c\x43\x42\xdf\x5e\xa9\x6d\xec\xd7\xd7\xff\xe6" - "\xa1\x3a\x92\x1a\xda\xae\xf6\x8c\x6f\x7b\xd5\xb4\x6e\x06\xe9\x8f" - "\xe8\xde\x09\x31\x89\xed\x0e\x11\xa1\xfa\x8a\xe9\xe9\x64\x59\x62" - "\x53\xda\xd1\x70\xbe\x11\xd4\x99\x97\x11\xcf\x99\xde\x0b\x9d\x94" - "\x7e\xaa\xb8\x52\xea\x37\xdb\x90\x7e\x35\xbd\xd9\xfe\x6d\x0a\x48" - "\x70\x28\xdd\xd5\x0d\x7f\x03\x80\x93\x14\x23\x8f\xb9\x22\xcd\x7c" - "\x29\xfe\xf1\x72\xb5\x5c\x0b\x12\xcf\x9c\x15\xf6\x11\x4c\x7a\x45" - "\x25\x8c\x45\x0a\x34\xac\x2d\x9a\x81\xca\x0b\x13\x22\xcd\xeb\x1a" - "\x38\x88\x18\x97\x96\x08\x81\xaa\xcc\x8f\x0f\x8a\x32\x7b\x76\x68" - "\x03\x68\x43\xbf\x11\xba\x55\x60\xfd\x80\x1c\x0d\x9b\x69\xb6\x09" - "\x72\xbc\x0f\x41\x2f\x07\x82\xc6\xe3\xb2\x13\x91\xc4\x6d\x14\x95" - "\x31\xbe\x19\xbd\xbc\xed\xe1\x4c\x74\xa2\xe0\x78\x0b\xbb\x94\xec" - "\x4c\x53\x3a\xa2\xb5\x84\x1d\x4b\x65\x7e\xdc\xf7\xdb\x36\x7d\xbe" - "\x9e\x3b\x36\x66\x42\x66\x76\x35\xbf\xbe\xf0\xc1\x3c\x7c\xe9\x42" - "\x5c\x24\x53\x03\x05\xa8\x67\x24\x50\x02\x75\xff\x24\x46\x3b\x35" - "\x89\x76\xe6\x70\xda\xc5\x51\x8c\x9a\xe5\x05\xb0\x0b\xd0\x2d\xd4" - "\x7d\x57\x75\x94\x6b\xf9\x0a\xad\x0e\x41\x00\x15\xd0\x4f\xc0\x7f" - "\x90\x2d\x18\x48\x8f\x28\xfe\x5d\xa7\xcd\x99\x9e\xbd\x02\x6c\x8a" - "\x31\xf3\x1c\xc7\x4b\xe6\x93\xcd\x42\xa2\xe4\x68\x10\x47\x9d\xfc" - "\x21\x02\x03\x01\x00\x01\xa3\x5d\x30\x5b\x30\x0c\x06\x03\x55\x1d" - "\x13\x01\x01\xff\x04\x02\x30\x00\x30\x0b\x06\x03\x55\x1d\x0f\x04" - "\x04\x03\x02\x07\x80\x30\x1d\x06\x03\x55\x1d\x0e\x04\x16\x04\x14" - "\xf5\x87\x03\xbb\x33\xce\x1b\x73\xee\x02\xec\xcd\xee\x5b\x88\x17" - "\x51\x8f\xe3\xdb\x30\x1f\x06\x03\x55\x1d\x23\x04\x18\x30\x16\x80" - "\x14\xf5\x87\x03\xbb\x33\xce\x1b\x73\xee\x02\xec\xcd\xee\x5b\x88" - "\x17\x51\x8f\xe3\xdb\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01" - "\x01\x0b\x05\x00\x03\x82\x02\x01\x00\xc0\x2e\x12\x41\x7b\x73\x85" - "\x16\xc8\xdb\x86\x79\xe8\xf5\xcd\x44\xf4\xc6\xe2\x81\x23\x5e\x47" - "\xcb\xab\x25\xf1\x1e\x58\x3e\x31\x7f\x78\xad\x85\xeb\xfe\x14\x88" - "\x60\xf7\x7f\xd2\x26\xa2\xf4\x98\x2a\xfd\xba\x05\x0c\x20\x33\x12" - "\xcc\x4d\x14\x61\x64\x81\x93\xd3\x33\xed\xc8\xff\xf1\x78\xcc\x5f" - "\x51\x9f\x09\xd7\xbe\x0d\x5c\x74\xfd\x9b\xdf\x52\x4a\xc9\xa8\x71" - "\x25\x33\x04\x10\x67\x36\xd0\xb3\x0b\xc9\xa1\x40\x72\xae\x41\x7b" - "\x68\xe6\xe4\x7b\xd0\x28\xf7\x6d\xe7\x3f\x50\xfc\x91\x7c\x91\x56" - "\xd4\xdf\xa6\xbb\xe8\x4d\x1b\x58\xaa\x28\xfa\xc1\x19\xeb\x11\x2f" - "\x24\x8b\x7c\xc5\xa9\x86\x26\xaa\x6e\xb7\x9b\xd5\xf8\x06\xfb\x02" - "\x52\x7b\x9c\x9e\xa1\xe0\x07\x8b\x5e\xe4\xb8\x55\x29\xf6\x48\x52" - "\x1c\x1b\x54\x2d\x46\xd8\xe5\x71\xb9\x60\xd1\x45\xb5\x92\x89\x8a" - "\x63\x58\x2a\xb3\xc6\xb2\x76\xe2\x3c\x82\x59\x04\xae\x5a\xc4\x99" - "\x7b\x2e\x4b\x46\x57\xb8\x29\x24\xb2\xfd\xee\x2c\x0d\xa4\x83\xfa" - "\x65\x2a\x07\x35\x8b\x97\xcf\xbd\x96\x2e\xd1\x7e\x6c\xc2\x1e\x87" - "\xb6\x6c\x76\x65\xb5\xb2\x62\xda\x8b\xe9\x73\xe3\xdb\x33\xdd\x13" - "\x3a\x17\x63\x6a\x76\xde\x8d\x8f\xe0\x47\x61\x28\x3a\x83\xff\x8f" - "\xe7\xc7\xe0\x4a\xa3\xe5\x07\xcf\xe9\x8c\x35\x35\x2e\xe7\x80\x66" - "\x31\xbf\x91\x58\x0a\xe1\x25\x3d\x38\xd3\xa4\xf0\x59\x34\x47\x07" - "\x62\x0f\xbe\x30\xdd\x81\x88\x58\xf0\x28\xb0\x96\xe5\x82\xf8\x05" - "\xb7\x13\x01\xbc\xfa\xc6\x1f\x86\x72\xcc\xf9\xee\x8e\xd9\xd6\x04" - "\x8c\x24\x6c\xbf\x0f\x5d\x37\x39\xcf\x45\xc1\x93\x3a\xd2\xed\x5c" - "\x58\x79\x74\x86\x62\x30\x7e\x8e\xbb\xdd\x7a\xa9\xed\xca\x40\xcb" - "\x62\x47\xf4\xb4\x9f\x52\x7f\x72\x63\xa8\xf0\x2b\xaf\x45\x2a\x48" - "\x19\x6d\xe3\xfb\xf9\x19\x66\x69\xc8\xcc\x62\x87\x6c\x53\x2b\x2d" - "\x6e\x90\x6c\x54\x3a\x82\x25\x41\xcb\x18\x6a\xa4\x22\xa8\xa1\xc4" - "\x47\xd7\x81\x00\x1c\x15\x51\x0f\x1a\xaf\xef\x9f\xa6\x61\x8c\xbd" - "\x6b\x8b\xed\xe6\xac\x0e\xb6\x3a\x4c\x92\xe6\x0f\x91\x0a\x0f\x71" - "\xc7\xa0\xb9\x0d\x3a\x17\x5a\x6f\x35\xc8\xe7\x50\x4f\x46\xe8\x70" - "\x60\x48\x06\x82\x8b\x66\x58\xe6\x73\x91\x9c\x12\x3d\x35\x8e\x46" - "\xad\x5a\xf5\xb3\xdb\x69\x21\x04\xfd\xd3\x1c\xdf\x94\x9d\x56\xb0" - "\x0a\xd1\x95\x76\x8d\xec\x9e\xdd\x0b\x15\x97\x64\xad\xe5\xf2\x62" - "\x02\xfc\x9e\x5f\x56\x42\x39\x05\xb3" -}; - -/* - * Signed data and detached signature blobs that form the verification tests. - */ -static const __initconst u8 certs_selftest_1_data[] = { - "\x54\x68\x69\x73\x20\x69\x73\x20\x73\x6f\x6d\x65\x20\x74\x65\x73" - "\x74\x20\x64\x61\x74\x61\x20\x75\x73\x65\x64\x20\x66\x6f\x72\x20" - "\x73\x65\x6c\x66\x2d\x74\x65\x73\x74\x69\x6e\x67\x20\x63\x65\x72" - "\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63" - "\x61\x74\x69\x6f\x6e\x2e\x0a" -}; - -static const __initconst u8 certs_selftest_1_pkcs7[] = { - "\x30\x82\x02\xab\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x07\x02\xa0" - "\x82\x02\x9c\x30\x82\x02\x98\x02\x01\x01\x31\x0d\x30\x0b\x06\x09" - "\x60\x86\x48\x01\x65\x03\x04\x02\x01\x30\x0b\x06\x09\x2a\x86\x48" - "\x86\xf7\x0d\x01\x07\x01\x31\x82\x02\x75\x30\x82\x02\x71\x02\x01" - "\x01\x30\x4c\x30\x34\x31\x32\x30\x30\x06\x03\x55\x04\x03\x0c\x29" - "\x43\x65\x72\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69" - "\x66\x69\x63\x61\x74\x69\x6f\x6e\x20\x73\x65\x6c\x66\x2d\x74\x65" - "\x73\x74\x69\x6e\x67\x20\x6b\x65\x79\x02\x14\x73\x98\xea\x98\x2d" - "\xd0\x2e\xa8\xb1\xcf\x57\xc7\xf2\x97\xb3\xe6\x1a\xfc\x8c\x0a\x30" - "\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x30\x0d\x06\x09" - "\x2a\x86\x48\x86\xf7\x0d\x01\x01\x01\x05\x00\x04\x82\x02\x00\xac" - "\xb0\xf2\x07\xd6\x99\x6d\xc0\xc0\xd9\x8d\x31\x0d\x7e\x04\xeb\xc3" - "\x88\x90\xc4\x58\x46\xd4\xe2\xa0\xa3\x25\xe3\x04\x50\x37\x85\x8c" - "\x91\xc6\xfc\xc5\xd4\x92\xfd\x05\xd8\xb8\xa3\xb8\xba\x89\x13\x00" - "\x88\x79\x99\x51\x6b\x5b\x28\x31\xc0\xb3\x1b\x7a\x68\x2c\x00\xdb" - "\x4b\x46\x11\xf3\xfa\x50\x8e\x19\x89\xa2\x4c\xda\x4c\x89\x01\x11" - "\x89\xee\xd3\xc8\xc1\xe7\xa7\xf6\xb2\xa2\xf8\x65\xb8\x35\x20\x33" - "\xba\x12\x62\xd5\xbd\xaa\x71\xe5\x5b\xc0\x6a\x32\xff\x6a\x2e\x23" - "\xef\x2b\xb6\x58\xb1\xfb\x5f\x82\x34\x40\x6d\x9f\xbc\x27\xac\x37" - "\x23\x99\xcf\x7d\x20\xb2\x39\x01\xc0\x12\xce\xd7\x5d\x2f\xb6\xab" - "\xb5\x56\x4f\xef\xf4\x72\x07\x58\x65\xa9\xeb\x1f\x75\x1c\x5f\x0c" - "\x88\xe0\xa4\xe2\xcd\x73\x2b\x9e\xb2\x05\x7e\x12\xf8\xd0\x66\x41" - "\xcc\x12\x63\xd4\xd6\xac\x9b\x1d\x14\x77\x8d\x1c\x57\xd5\x27\xc6" - "\x49\xa2\x41\x43\xf3\x59\x29\xe5\xcb\xd1\x75\xbc\x3a\x97\x2a\x72" - "\x22\x66\xc5\x3b\xc1\xba\xfc\x53\x18\x98\xe2\x21\x64\xc6\x52\x87" - "\x13\xd5\x7c\x42\xe8\xfb\x9c\x9a\x45\x32\xd5\xa5\x22\x62\x9d\xd4" - "\xcb\xa4\xfa\x77\xbb\x50\x24\x0b\x8b\x88\x99\x15\x56\xa9\x1e\x92" - "\xbf\x5d\x94\x77\xb6\xf1\x67\x01\x60\x06\x58\x5c\xdf\x18\x52\x79" - "\x37\x30\x93\x7d\x87\x04\xf1\xe0\x55\x59\x52\xf3\xc2\xb1\x1c\x5b" - "\x12\x7c\x49\x87\xfb\xf7\xed\xdd\x95\x71\xec\x4b\x1a\x85\x08\xb0" - "\xa0\x36\xc4\x7b\xab\x40\xe0\xf1\x98\xcc\xaf\x19\x40\x8f\x47\x6f" - "\xf0\x6c\x84\x29\x7f\x7f\x04\x46\xcb\x08\x0f\xe0\xc1\xc9\x70\x6e" - "\x95\x3b\xa4\xbc\x29\x2b\x53\x67\x45\x1b\x0d\xbc\x13\xa5\x76\x31" - "\xaf\xb9\xd0\xe0\x60\x12\xd2\xf4\xb7\x7c\x58\x7e\xf6\x2d\xbb\x24" - "\x14\x5a\x20\x24\xa8\x12\xdf\x25\xbd\x42\xce\x96\x7c\x2e\xba\x14" - "\x1b\x81\x9f\x18\x45\xa4\xc6\x70\x3e\x0e\xf0\xd3\x7b\x9c\x10\xbe" - "\xb8\x7a\x89\xc5\x9e\xd9\x97\xdf\xd7\xe7\xc6\x1d\xc0\x20\x6c\xb8" - "\x1e\x3a\x63\xb8\x39\x8e\x8e\x62\xd5\xd2\xb4\xcd\xff\x46\xfc\x8e" - "\xec\x07\x35\x0c\xff\xb0\x05\xe6\xf4\xe5\xfe\xa2\xe3\x0a\xe6\x36" - "\xa7\x4a\x7e\x62\x1d\xc4\x50\x39\x35\x4e\x28\xcb\x4a\xfb\x9d\xdb" - "\xdd\x23\xd6\x53\xb1\x74\x77\x12\xf7\x9c\xf0\x9a\x6b\xf7\xa9\x64" - "\x2d\x86\x21\x2a\xcf\xc6\x54\xf5\xc9\xad\xfa\xb5\x12\xb4\xf3\x51" - "\x77\x55\x3c\x6f\x0c\x32\xd3\x8c\x44\x39\x71\x25\xfe\x96\xd2" -}; - -/* - * List of tests to be run. - */ -#define TEST(data, pkcs7) { data, sizeof(data) - 1, pkcs7, sizeof(pkcs7) - 1 } -static const struct certs_test certs_tests[] __initconst = { - TEST(certs_selftest_1_data, certs_selftest_1_pkcs7), -}; - -int __init fips_signature_selftest(void) +void fips_signature_selftest(const char *name, + const u8 *keys, size_t keys_len, + const u8 *data, size_t data_len, + const u8 *sig, size_t sig_len) { struct key *keyring; - int ret, i; + int ret; - pr_notice("Running certificate verification selftests\n"); + pr_notice("Running certificate verification %s selftest\n", name); keyring = keyring_alloc(".certs_selftest", GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, current_cred(), @@ -190,35 +31,42 @@ int __init fips_signature_selftest(void) KEY_ALLOC_NOT_IN_QUOTA, NULL, NULL); if (IS_ERR(keyring)) - panic("Can't allocate certs selftest keyring: %ld\n", - PTR_ERR(keyring)); + panic("Can't allocate certs %s selftest keyring: %ld\n", name, PTR_ERR(keyring)); - ret = x509_load_certificate_list(certs_selftest_keys, - sizeof(certs_selftest_keys) - 1, keyring); + ret = x509_load_certificate_list(keys, keys_len, keyring); if (ret < 0) - panic("Can't allocate certs selftest keyring: %d\n", ret); + panic("Can't allocate certs %s selftest keyring: %d\n", name, ret); - for (i = 0; i < ARRAY_SIZE(certs_tests); i++) { - const struct certs_test *test = &certs_tests[i]; - struct pkcs7_message *pkcs7; + struct pkcs7_message *pkcs7; - pkcs7 = pkcs7_parse_message(test->pkcs7, test->pkcs7_len); - if (IS_ERR(pkcs7)) - panic("Certs selftest %d: pkcs7_parse_message() = %d\n", i, ret); + pkcs7 = pkcs7_parse_message(sig, sig_len); + if (IS_ERR(pkcs7)) + panic("Certs %s selftest: pkcs7_parse_message() = %d\n", name, ret); - pkcs7_supply_detached_data(pkcs7, test->data, test->data_len); + pkcs7_supply_detached_data(pkcs7, data, data_len); - ret = pkcs7_verify(pkcs7, VERIFYING_MODULE_SIGNATURE); - if (ret < 0) - panic("Certs selftest %d: pkcs7_verify() = %d\n", i, ret); + ret = pkcs7_verify(pkcs7, VERIFYING_MODULE_SIGNATURE); + if (ret < 0) + panic("Certs %s selftest: pkcs7_verify() = %d\n", name, ret); - ret = pkcs7_validate_trust(pkcs7, keyring); - if (ret < 0) - panic("Certs selftest %d: pkcs7_validate_trust() = %d\n", i, ret); + ret = pkcs7_validate_trust(pkcs7, keyring); + if (ret < 0) + panic("Certs %s selftest: pkcs7_validate_trust() = %d\n", name, ret); - pkcs7_free_message(pkcs7); - } + pkcs7_free_message(pkcs7); key_put(keyring); +} + +static int __init fips_signature_selftest_init(void) +{ + fips_signature_selftest_rsa(); + fips_signature_selftest_ecdsa(); return 0; } + +late_initcall(fips_signature_selftest_init); + +MODULE_DESCRIPTION("X.509 self tests"); +MODULE_AUTHOR("Red Hat, Inc."); +MODULE_LICENSE("GPL"); diff --git a/crypto/asymmetric_keys/selftest.h b/crypto/asymmetric_keys/selftest.h new file mode 100644 index 000000000000..4139f05906cb --- /dev/null +++ b/crypto/asymmetric_keys/selftest.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Helper function for self-testing PKCS#7 signature verification. + * + * Copyright (C) 2024 Joachim Vandersmissen <git@jvdsn.com> + */ + +void fips_signature_selftest(const char *name, + const u8 *keys, size_t keys_len, + const u8 *data, size_t data_len, + const u8 *sig, size_t sig_len); + +#ifdef CONFIG_FIPS_SIGNATURE_SELFTEST_RSA +void __init fips_signature_selftest_rsa(void); +#else +static inline void __init fips_signature_selftest_rsa(void) { } +#endif + +#ifdef CONFIG_FIPS_SIGNATURE_SELFTEST_ECDSA +void __init fips_signature_selftest_ecdsa(void); +#else +static inline void __init fips_signature_selftest_ecdsa(void) { } +#endif diff --git a/crypto/asymmetric_keys/selftest_ecdsa.c b/crypto/asymmetric_keys/selftest_ecdsa.c new file mode 100644 index 000000000000..20a0868b30de --- /dev/null +++ b/crypto/asymmetric_keys/selftest_ecdsa.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Self-tests for PKCS#7 ECDSA signature verification. + * + * Copyright (C) 2024 Joachim Vandersmissen <git@jvdsn.com> + */ + +#include <linux/module.h> +#include "selftest.h" + +/* + * Set of X.509 certificates to provide public keys for the tests. These will + * be loaded into a temporary keyring for the duration of the testing. + */ +static const u8 certs_selftest_ecdsa_keys[] __initconst = { + /* P-256 ECDSA certificate */ + "\x30\x82\x01\xd4\x30\x82\x01\x7b\xa0\x03\x02\x01\x02\x02\x14\x2e" + "\xea\x64\x8d\x7f\x17\xe6\x2e\x9e\x58\x69\xc8\x87\xc6\x8e\x1b\xd0" + "\xf8\x6f\xde\x30\x0a\x06\x08\x2a\x86\x48\xce\x3d\x04\x03\x02\x30" + "\x3a\x31\x38\x30\x36\x06\x03\x55\x04\x03\x0c\x2f\x43\x65\x72\x74" + "\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63\x61" + "\x74\x69\x6f\x6e\x20\x45\x43\x44\x53\x41\x20\x73\x65\x6c\x66\x2d" + "\x74\x65\x73\x74\x69\x6e\x67\x20\x6b\x65\x79\x30\x20\x17\x0d\x32" + "\x34\x30\x34\x31\x33\x32\x32\x31\x36\x32\x36\x5a\x18\x0f\x32\x31" + "\x32\x34\x30\x33\x32\x30\x32\x32\x31\x36\x32\x36\x5a\x30\x3a\x31" + "\x38\x30\x36\x06\x03\x55\x04\x03\x0c\x2f\x43\x65\x72\x74\x69\x66" + "\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63\x61\x74\x69" + "\x6f\x6e\x20\x45\x43\x44\x53\x41\x20\x73\x65\x6c\x66\x2d\x74\x65" + "\x73\x74\x69\x6e\x67\x20\x6b\x65\x79\x30\x59\x30\x13\x06\x07\x2a" + "\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48\xce\x3d\x03\x01\x07" + "\x03\x42\x00\x04\x07\xe5\x6b\x51\xaf\xfc\x19\x41\x2c\x88\x92\x6b" + "\x77\x57\x71\x03\x9e\xe2\xfe\x6e\x6a\x71\x4e\xc7\x29\x9f\x90\xe1" + "\x77\x18\x9f\xc2\xe7\x0a\x82\xd0\x8a\xe1\x81\xa9\x71\x7c\x5a\x73" + "\xfb\x25\xb9\x5b\x1e\x24\x8c\x73\x9f\xf8\x38\xf8\x48\xb4\xad\x16" + "\x19\xc0\x22\xc6\xa3\x5d\x30\x5b\x30\x1d\x06\x03\x55\x1d\x0e\x04" + "\x16\x04\x14\x29\x00\xbc\xea\x1d\xeb\x7b\xc8\x47\x9a\x84\xa2\x3d" + "\x75\x8e\xfd\xfd\xd2\xb2\xd3\x30\x1f\x06\x03\x55\x1d\x23\x04\x18" + "\x30\x16\x80\x14\x29\x00\xbc\xea\x1d\xeb\x7b\xc8\x47\x9a\x84\xa2" + "\x3d\x75\x8e\xfd\xfd\xd2\xb2\xd3\x30\x0c\x06\x03\x55\x1d\x13\x01" + "\x01\xff\x04\x02\x30\x00\x30\x0b\x06\x03\x55\x1d\x0f\x04\x04\x03" + "\x02\x07\x80\x30\x0a\x06\x08\x2a\x86\x48\xce\x3d\x04\x03\x02\x03" + "\x47\x00\x30\x44\x02\x20\x1a\xd7\xac\x07\xc8\x97\x38\xf4\x89\x43" + "\x7e\xc7\x66\x6e\xa5\x00\x7c\x12\x1d\xb4\x09\x76\x0c\x99\x6b\x8c" + "\x26\x5d\xe9\x70\x5c\xb4\x02\x20\x73\xb7\xc7\x7a\x5a\xdb\x67\x0a" + "\x96\x42\x19\xcf\x4f\x67\x4f\x35\x6a\xee\x29\x25\xf2\x4f\xc8\x10" + "\x14\x9d\x79\x69\x1c\x7a\xd7\x5d" +}; + +/* + * Signed data and detached signature blobs that form the verification tests. + */ +static const u8 certs_selftest_ecdsa_data[] __initconst = { + "\x54\x68\x69\x73\x20\x69\x73\x20\x73\x6f\x6d\x65\x20\x74\x65\x73" + "\x74\x20\x64\x61\x74\x61\x20\x75\x73\x65\x64\x20\x66\x6f\x72\x20" + "\x73\x65\x6c\x66\x2d\x74\x65\x73\x74\x69\x6e\x67\x20\x63\x65\x72" + "\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63" + "\x61\x74\x69\x6f\x6e\x2e\x0a" +}; + +static const u8 certs_selftest_ecdsa_sig[] __initconst = { + /* ECDSA signature using SHA-256 */ + "\x30\x81\xf4\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x07\x02\xa0\x81" + "\xe6\x30\x81\xe3\x02\x01\x01\x31\x0f\x30\x0d\x06\x09\x60\x86\x48" + "\x01\x65\x03\x04\x02\x01\x05\x00\x30\x0b\x06\x09\x2a\x86\x48\x86" + "\xf7\x0d\x01\x07\x01\x31\x81\xbf\x30\x81\xbc\x02\x01\x01\x30\x52" + "\x30\x3a\x31\x38\x30\x36\x06\x03\x55\x04\x03\x0c\x2f\x43\x65\x72" + "\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63" + "\x61\x74\x69\x6f\x6e\x20\x45\x43\x44\x53\x41\x20\x73\x65\x6c\x66" + "\x2d\x74\x65\x73\x74\x69\x6e\x67\x20\x6b\x65\x79\x02\x14\x2e\xea" + "\x64\x8d\x7f\x17\xe6\x2e\x9e\x58\x69\xc8\x87\xc6\x8e\x1b\xd0\xf8" + "\x6f\xde\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05" + "\x00\x30\x0a\x06\x08\x2a\x86\x48\xce\x3d\x04\x03\x02\x04\x48\x30" + "\x46\x02\x21\x00\x86\xd1\xf4\x06\xb6\x49\x79\xf9\x09\x5f\x35\x1a" + "\x94\x7e\x0e\x1a\x12\x4d\xd9\xe6\x2a\x2d\xcf\x2d\x0a\xee\x88\x76" + "\xe0\x35\xf3\xeb\x02\x21\x00\xdf\x11\x8a\xab\x31\xf6\x3c\x1f\x32" + "\x43\x94\xe2\xb8\x35\xc9\xf3\x12\x4e\x9b\x31\x08\x10\x5d\x8d\xe2" + "\x43\x0a\x5f\xf5\xfd\xa2\xf1" +}; + +void __init fips_signature_selftest_ecdsa(void) +{ + fips_signature_selftest("ECDSA", + certs_selftest_ecdsa_keys, + sizeof(certs_selftest_ecdsa_keys) - 1, + certs_selftest_ecdsa_data, + sizeof(certs_selftest_ecdsa_data) - 1, + certs_selftest_ecdsa_sig, + sizeof(certs_selftest_ecdsa_sig) - 1); +} diff --git a/crypto/asymmetric_keys/selftest_rsa.c b/crypto/asymmetric_keys/selftest_rsa.c new file mode 100644 index 000000000000..09c9815e456a --- /dev/null +++ b/crypto/asymmetric_keys/selftest_rsa.c @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Self-tests for PKCS#7 RSA signature verification. + * + * Copyright (C) 2024 Joachim Vandersmissen <git@jvdsn.com> + */ + +#include <linux/module.h> +#include "selftest.h" + +/* + * Set of X.509 certificates to provide public keys for the tests. These will + * be loaded into a temporary keyring for the duration of the testing. + */ +static const u8 certs_selftest_rsa_keys[] __initconst = { + /* 4096-bit RSA certificate */ + "\x30\x82\x05\x55\x30\x82\x03\x3d\xa0\x03\x02\x01\x02\x02\x14\x73" + "\x98\xea\x98\x2d\xd0\x2e\xa8\xb1\xcf\x57\xc7\xf2\x97\xb3\xe6\x1a" + "\xfc\x8c\x0a\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x01\x0b" + "\x05\x00\x30\x34\x31\x32\x30\x30\x06\x03\x55\x04\x03\x0c\x29\x43" + "\x65\x72\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66" + "\x69\x63\x61\x74\x69\x6f\x6e\x20\x73\x65\x6c\x66\x2d\x74\x65\x73" + "\x74\x69\x6e\x67\x20\x6b\x65\x79\x30\x20\x17\x0d\x32\x32\x30\x35" + "\x31\x38\x32\x32\x33\x32\x34\x31\x5a\x18\x0f\x32\x31\x32\x32\x30" + "\x34\x32\x34\x32\x32\x33\x32\x34\x31\x5a\x30\x34\x31\x32\x30\x30" + "\x06\x03\x55\x04\x03\x0c\x29\x43\x65\x72\x74\x69\x66\x69\x63\x61" + "\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63\x61\x74\x69\x6f\x6e\x20" + "\x73\x65\x6c\x66\x2d\x74\x65\x73\x74\x69\x6e\x67\x20\x6b\x65\x79" + "\x30\x82\x02\x22\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x01" + "\x01\x05\x00\x03\x82\x02\x0f\x00\x30\x82\x02\x0a\x02\x82\x02\x01" + "\x00\xcc\xac\x49\xdd\x3b\xca\xb0\x15\x7e\x84\x6a\xb2\x0a\x69\x5f" + "\x1c\x0a\x61\x82\x3b\x4f\x2c\xa3\x95\x2c\x08\x58\x4b\xb1\x5d\x99" + "\xe0\xc3\xc1\x79\xc2\xb3\xeb\xc0\x1e\x6d\x3e\x54\x1d\xbd\xb7\x92" + "\x7b\x4d\xb5\x95\x58\xb2\x52\x2e\xc6\x24\x4b\x71\x63\x80\x32\x77" + "\xa7\x38\x5e\xdb\x72\xae\x6e\x0d\xec\xfb\xb6\x6d\x01\x7f\xe9\x55" + "\x66\xdf\xbf\x1d\x76\x78\x02\x31\xe8\xe5\x07\xf8\xb7\x82\x5c\x0d" + "\xd4\xbb\xfb\xa2\x59\x0d\x2e\x3a\x78\x95\x3a\x8b\x46\x06\x47\x44" + "\x46\xd7\xcd\x06\x6a\x41\x13\xe3\x19\xf6\xbb\x6e\x38\xf4\x83\x01" + "\xa3\xbf\x4a\x39\x4f\xd7\x0a\xe9\x38\xb3\xf5\x94\x14\x4e\xdd\xf7" + "\x43\xfd\x24\xb2\x49\x3c\xa5\xf7\x7a\x7c\xd4\x45\x3d\x97\x75\x68" + "\xf1\xed\x4c\x42\x0b\x70\xca\x85\xf3\xde\xe5\x88\x2c\xc5\xbe\xb6" + "\x97\x34\xba\x24\x02\xcd\x8b\x86\x9f\xa9\x73\xca\x73\xcf\x92\x81" + "\xee\x75\x55\xbb\x18\x67\x5c\xff\x3f\xb5\xdd\x33\x1b\x0c\xe9\x78" + "\xdb\x5c\xcf\xaa\x5c\x43\x42\xdf\x5e\xa9\x6d\xec\xd7\xd7\xff\xe6" + "\xa1\x3a\x92\x1a\xda\xae\xf6\x8c\x6f\x7b\xd5\xb4\x6e\x06\xe9\x8f" + "\xe8\xde\x09\x31\x89\xed\x0e\x11\xa1\xfa\x8a\xe9\xe9\x64\x59\x62" + "\x53\xda\xd1\x70\xbe\x11\xd4\x99\x97\x11\xcf\x99\xde\x0b\x9d\x94" + "\x7e\xaa\xb8\x52\xea\x37\xdb\x90\x7e\x35\xbd\xd9\xfe\x6d\x0a\x48" + "\x70\x28\xdd\xd5\x0d\x7f\x03\x80\x93\x14\x23\x8f\xb9\x22\xcd\x7c" + "\x29\xfe\xf1\x72\xb5\x5c\x0b\x12\xcf\x9c\x15\xf6\x11\x4c\x7a\x45" + "\x25\x8c\x45\x0a\x34\xac\x2d\x9a\x81\xca\x0b\x13\x22\xcd\xeb\x1a" + "\x38\x88\x18\x97\x96\x08\x81\xaa\xcc\x8f\x0f\x8a\x32\x7b\x76\x68" + "\x03\x68\x43\xbf\x11\xba\x55\x60\xfd\x80\x1c\x0d\x9b\x69\xb6\x09" + "\x72\xbc\x0f\x41\x2f\x07\x82\xc6\xe3\xb2\x13\x91\xc4\x6d\x14\x95" + "\x31\xbe\x19\xbd\xbc\xed\xe1\x4c\x74\xa2\xe0\x78\x0b\xbb\x94\xec" + "\x4c\x53\x3a\xa2\xb5\x84\x1d\x4b\x65\x7e\xdc\xf7\xdb\x36\x7d\xbe" + "\x9e\x3b\x36\x66\x42\x66\x76\x35\xbf\xbe\xf0\xc1\x3c\x7c\xe9\x42" + "\x5c\x24\x53\x03\x05\xa8\x67\x24\x50\x02\x75\xff\x24\x46\x3b\x35" + "\x89\x76\xe6\x70\xda\xc5\x51\x8c\x9a\xe5\x05\xb0\x0b\xd0\x2d\xd4" + "\x7d\x57\x75\x94\x6b\xf9\x0a\xad\x0e\x41\x00\x15\xd0\x4f\xc0\x7f" + "\x90\x2d\x18\x48\x8f\x28\xfe\x5d\xa7\xcd\x99\x9e\xbd\x02\x6c\x8a" + "\x31\xf3\x1c\xc7\x4b\xe6\x93\xcd\x42\xa2\xe4\x68\x10\x47\x9d\xfc" + "\x21\x02\x03\x01\x00\x01\xa3\x5d\x30\x5b\x30\x0c\x06\x03\x55\x1d" + "\x13\x01\x01\xff\x04\x02\x30\x00\x30\x0b\x06\x03\x55\x1d\x0f\x04" + "\x04\x03\x02\x07\x80\x30\x1d\x06\x03\x55\x1d\x0e\x04\x16\x04\x14" + "\xf5\x87\x03\xbb\x33\xce\x1b\x73\xee\x02\xec\xcd\xee\x5b\x88\x17" + "\x51\x8f\xe3\xdb\x30\x1f\x06\x03\x55\x1d\x23\x04\x18\x30\x16\x80" + "\x14\xf5\x87\x03\xbb\x33\xce\x1b\x73\xee\x02\xec\xcd\xee\x5b\x88" + "\x17\x51\x8f\xe3\xdb\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01" + "\x01\x0b\x05\x00\x03\x82\x02\x01\x00\xc0\x2e\x12\x41\x7b\x73\x85" + "\x16\xc8\xdb\x86\x79\xe8\xf5\xcd\x44\xf4\xc6\xe2\x81\x23\x5e\x47" + "\xcb\xab\x25\xf1\x1e\x58\x3e\x31\x7f\x78\xad\x85\xeb\xfe\x14\x88" + "\x60\xf7\x7f\xd2\x26\xa2\xf4\x98\x2a\xfd\xba\x05\x0c\x20\x33\x12" + "\xcc\x4d\x14\x61\x64\x81\x93\xd3\x33\xed\xc8\xff\xf1\x78\xcc\x5f" + "\x51\x9f\x09\xd7\xbe\x0d\x5c\x74\xfd\x9b\xdf\x52\x4a\xc9\xa8\x71" + "\x25\x33\x04\x10\x67\x36\xd0\xb3\x0b\xc9\xa1\x40\x72\xae\x41\x7b" + "\x68\xe6\xe4\x7b\xd0\x28\xf7\x6d\xe7\x3f\x50\xfc\x91\x7c\x91\x56" + "\xd4\xdf\xa6\xbb\xe8\x4d\x1b\x58\xaa\x28\xfa\xc1\x19\xeb\x11\x2f" + "\x24\x8b\x7c\xc5\xa9\x86\x26\xaa\x6e\xb7\x9b\xd5\xf8\x06\xfb\x02" + "\x52\x7b\x9c\x9e\xa1\xe0\x07\x8b\x5e\xe4\xb8\x55\x29\xf6\x48\x52" + "\x1c\x1b\x54\x2d\x46\xd8\xe5\x71\xb9\x60\xd1\x45\xb5\x92\x89\x8a" + "\x63\x58\x2a\xb3\xc6\xb2\x76\xe2\x3c\x82\x59\x04\xae\x5a\xc4\x99" + "\x7b\x2e\x4b\x46\x57\xb8\x29\x24\xb2\xfd\xee\x2c\x0d\xa4\x83\xfa" + "\x65\x2a\x07\x35\x8b\x97\xcf\xbd\x96\x2e\xd1\x7e\x6c\xc2\x1e\x87" + "\xb6\x6c\x76\x65\xb5\xb2\x62\xda\x8b\xe9\x73\xe3\xdb\x33\xdd\x13" + "\x3a\x17\x63\x6a\x76\xde\x8d\x8f\xe0\x47\x61\x28\x3a\x83\xff\x8f" + "\xe7\xc7\xe0\x4a\xa3\xe5\x07\xcf\xe9\x8c\x35\x35\x2e\xe7\x80\x66" + "\x31\xbf\x91\x58\x0a\xe1\x25\x3d\x38\xd3\xa4\xf0\x59\x34\x47\x07" + "\x62\x0f\xbe\x30\xdd\x81\x88\x58\xf0\x28\xb0\x96\xe5\x82\xf8\x05" + "\xb7\x13\x01\xbc\xfa\xc6\x1f\x86\x72\xcc\xf9\xee\x8e\xd9\xd6\x04" + "\x8c\x24\x6c\xbf\x0f\x5d\x37\x39\xcf\x45\xc1\x93\x3a\xd2\xed\x5c" + "\x58\x79\x74\x86\x62\x30\x7e\x8e\xbb\xdd\x7a\xa9\xed\xca\x40\xcb" + "\x62\x47\xf4\xb4\x9f\x52\x7f\x72\x63\xa8\xf0\x2b\xaf\x45\x2a\x48" + "\x19\x6d\xe3\xfb\xf9\x19\x66\x69\xc8\xcc\x62\x87\x6c\x53\x2b\x2d" + "\x6e\x90\x6c\x54\x3a\x82\x25\x41\xcb\x18\x6a\xa4\x22\xa8\xa1\xc4" + "\x47\xd7\x81\x00\x1c\x15\x51\x0f\x1a\xaf\xef\x9f\xa6\x61\x8c\xbd" + "\x6b\x8b\xed\xe6\xac\x0e\xb6\x3a\x4c\x92\xe6\x0f\x91\x0a\x0f\x71" + "\xc7\xa0\xb9\x0d\x3a\x17\x5a\x6f\x35\xc8\xe7\x50\x4f\x46\xe8\x70" + "\x60\x48\x06\x82\x8b\x66\x58\xe6\x73\x91\x9c\x12\x3d\x35\x8e\x46" + "\xad\x5a\xf5\xb3\xdb\x69\x21\x04\xfd\xd3\x1c\xdf\x94\x9d\x56\xb0" + "\x0a\xd1\x95\x76\x8d\xec\x9e\xdd\x0b\x15\x97\x64\xad\xe5\xf2\x62" + "\x02\xfc\x9e\x5f\x56\x42\x39\x05\xb3" +}; + +/* + * Signed data and detached signature blobs that form the verification tests. + */ +static const u8 certs_selftest_rsa_data[] __initconst = { + "\x54\x68\x69\x73\x20\x69\x73\x20\x73\x6f\x6d\x65\x20\x74\x65\x73" + "\x74\x20\x64\x61\x74\x61\x20\x75\x73\x65\x64\x20\x66\x6f\x72\x20" + "\x73\x65\x6c\x66\x2d\x74\x65\x73\x74\x69\x6e\x67\x20\x63\x65\x72" + "\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69\x66\x69\x63" + "\x61\x74\x69\x6f\x6e\x2e\x0a" +}; + +static const u8 certs_selftest_rsa_sig[] __initconst = { + /* RSA signature using PKCS#1 v1.5 padding with SHA-256 */ + "\x30\x82\x02\xab\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x07\x02\xa0" + "\x82\x02\x9c\x30\x82\x02\x98\x02\x01\x01\x31\x0d\x30\x0b\x06\x09" + "\x60\x86\x48\x01\x65\x03\x04\x02\x01\x30\x0b\x06\x09\x2a\x86\x48" + "\x86\xf7\x0d\x01\x07\x01\x31\x82\x02\x75\x30\x82\x02\x71\x02\x01" + "\x01\x30\x4c\x30\x34\x31\x32\x30\x30\x06\x03\x55\x04\x03\x0c\x29" + "\x43\x65\x72\x74\x69\x66\x69\x63\x61\x74\x65\x20\x76\x65\x72\x69" + "\x66\x69\x63\x61\x74\x69\x6f\x6e\x20\x73\x65\x6c\x66\x2d\x74\x65" + "\x73\x74\x69\x6e\x67\x20\x6b\x65\x79\x02\x14\x73\x98\xea\x98\x2d" + "\xd0\x2e\xa8\xb1\xcf\x57\xc7\xf2\x97\xb3\xe6\x1a\xfc\x8c\x0a\x30" + "\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x30\x0d\x06\x09" + "\x2a\x86\x48\x86\xf7\x0d\x01\x01\x01\x05\x00\x04\x82\x02\x00\xac" + "\xb0\xf2\x07\xd6\x99\x6d\xc0\xc0\xd9\x8d\x31\x0d\x7e\x04\xeb\xc3" + "\x88\x90\xc4\x58\x46\xd4\xe2\xa0\xa3\x25\xe3\x04\x50\x37\x85\x8c" + "\x91\xc6\xfc\xc5\xd4\x92\xfd\x05\xd8\xb8\xa3\xb8\xba\x89\x13\x00" + "\x88\x79\x99\x51\x6b\x5b\x28\x31\xc0\xb3\x1b\x7a\x68\x2c\x00\xdb" + "\x4b\x46\x11\xf3\xfa\x50\x8e\x19\x89\xa2\x4c\xda\x4c\x89\x01\x11" + "\x89\xee\xd3\xc8\xc1\xe7\xa7\xf6\xb2\xa2\xf8\x65\xb8\x35\x20\x33" + "\xba\x12\x62\xd5\xbd\xaa\x71\xe5\x5b\xc0\x6a\x32\xff\x6a\x2e\x23" + "\xef\x2b\xb6\x58\xb1\xfb\x5f\x82\x34\x40\x6d\x9f\xbc\x27\xac\x37" + "\x23\x99\xcf\x7d\x20\xb2\x39\x01\xc0\x12\xce\xd7\x5d\x2f\xb6\xab" + "\xb5\x56\x4f\xef\xf4\x72\x07\x58\x65\xa9\xeb\x1f\x75\x1c\x5f\x0c" + "\x88\xe0\xa4\xe2\xcd\x73\x2b\x9e\xb2\x05\x7e\x12\xf8\xd0\x66\x41" + "\xcc\x12\x63\xd4\xd6\xac\x9b\x1d\x14\x77\x8d\x1c\x57\xd5\x27\xc6" + "\x49\xa2\x41\x43\xf3\x59\x29\xe5\xcb\xd1\x75\xbc\x3a\x97\x2a\x72" + "\x22\x66\xc5\x3b\xc1\xba\xfc\x53\x18\x98\xe2\x21\x64\xc6\x52\x87" + "\x13\xd5\x7c\x42\xe8\xfb\x9c\x9a\x45\x32\xd5\xa5\x22\x62\x9d\xd4" + "\xcb\xa4\xfa\x77\xbb\x50\x24\x0b\x8b\x88\x99\x15\x56\xa9\x1e\x92" + "\xbf\x5d\x94\x77\xb6\xf1\x67\x01\x60\x06\x58\x5c\xdf\x18\x52\x79" + "\x37\x30\x93\x7d\x87\x04\xf1\xe0\x55\x59\x52\xf3\xc2\xb1\x1c\x5b" + "\x12\x7c\x49\x87\xfb\xf7\xed\xdd\x95\x71\xec\x4b\x1a\x85\x08\xb0" + "\xa0\x36\xc4\x7b\xab\x40\xe0\xf1\x98\xcc\xaf\x19\x40\x8f\x47\x6f" + "\xf0\x6c\x84\x29\x7f\x7f\x04\x46\xcb\x08\x0f\xe0\xc1\xc9\x70\x6e" + "\x95\x3b\xa4\xbc\x29\x2b\x53\x67\x45\x1b\x0d\xbc\x13\xa5\x76\x31" + "\xaf\xb9\xd0\xe0\x60\x12\xd2\xf4\xb7\x7c\x58\x7e\xf6\x2d\xbb\x24" + "\x14\x5a\x20\x24\xa8\x12\xdf\x25\xbd\x42\xce\x96\x7c\x2e\xba\x14" + "\x1b\x81\x9f\x18\x45\xa4\xc6\x70\x3e\x0e\xf0\xd3\x7b\x9c\x10\xbe" + "\xb8\x7a\x89\xc5\x9e\xd9\x97\xdf\xd7\xe7\xc6\x1d\xc0\x20\x6c\xb8" + "\x1e\x3a\x63\xb8\x39\x8e\x8e\x62\xd5\xd2\xb4\xcd\xff\x46\xfc\x8e" + "\xec\x07\x35\x0c\xff\xb0\x05\xe6\xf4\xe5\xfe\xa2\xe3\x0a\xe6\x36" + "\xa7\x4a\x7e\x62\x1d\xc4\x50\x39\x35\x4e\x28\xcb\x4a\xfb\x9d\xdb" + "\xdd\x23\xd6\x53\xb1\x74\x77\x12\xf7\x9c\xf0\x9a\x6b\xf7\xa9\x64" + "\x2d\x86\x21\x2a\xcf\xc6\x54\xf5\xc9\xad\xfa\xb5\x12\xb4\xf3\x51" + "\x77\x55\x3c\x6f\x0c\x32\xd3\x8c\x44\x39\x71\x25\xfe\x96\xd2" +}; + +void __init fips_signature_selftest_rsa(void) +{ + fips_signature_selftest("RSA", + certs_selftest_rsa_keys, + sizeof(certs_selftest_rsa_keys) - 1, + certs_selftest_rsa_data, + sizeof(certs_selftest_rsa_data) - 1, + certs_selftest_rsa_sig, + sizeof(certs_selftest_rsa_sig) - 1); +} diff --git a/crypto/asymmetric_keys/signature.c b/crypto/asymmetric_keys/signature.c index 2deff81f8af5..041d04b5c953 100644 --- a/crypto/asymmetric_keys/signature.c +++ b/crypto/asymmetric_keys/signature.c @@ -65,69 +65,6 @@ int query_asymmetric_key(const struct kernel_pkey_params *params, EXPORT_SYMBOL_GPL(query_asymmetric_key); /** - * encrypt_blob - Encrypt data using an asymmetric key - * @params: Various parameters - * @data: Data blob to be encrypted, length params->data_len - * @enc: Encrypted data buffer, length params->enc_len - * - * Encrypt the specified data blob using the private key specified by - * params->key. The encrypted data is wrapped in an encoding if - * params->encoding is specified (eg. "pkcs1"). - * - * Returns the length of the data placed in the encrypted data buffer or an - * error. - */ -int encrypt_blob(struct kernel_pkey_params *params, - const void *data, void *enc) -{ - params->op = kernel_pkey_encrypt; - return asymmetric_key_eds_op(params, data, enc); -} -EXPORT_SYMBOL_GPL(encrypt_blob); - -/** - * decrypt_blob - Decrypt data using an asymmetric key - * @params: Various parameters - * @enc: Encrypted data to be decrypted, length params->enc_len - * @data: Decrypted data buffer, length params->data_len - * - * Decrypt the specified data blob using the private key specified by - * params->key. The decrypted data is wrapped in an encoding if - * params->encoding is specified (eg. "pkcs1"). - * - * Returns the length of the data placed in the decrypted data buffer or an - * error. - */ -int decrypt_blob(struct kernel_pkey_params *params, - const void *enc, void *data) -{ - params->op = kernel_pkey_decrypt; - return asymmetric_key_eds_op(params, enc, data); -} -EXPORT_SYMBOL_GPL(decrypt_blob); - -/** - * create_signature - Sign some data using an asymmetric key - * @params: Various parameters - * @data: Data blob to be signed, length params->data_len - * @enc: Signature buffer, length params->enc_len - * - * Sign the specified data blob using the private key specified by params->key. - * The signature is wrapped in an encoding if params->encoding is specified - * (eg. "pkcs1"). If the encoding needs to know the digest type, this can be - * passed through params->hash_algo (eg. "sha1"). - * - * Returns the length of the data placed in the signature buffer or an error. - */ -int create_signature(struct kernel_pkey_params *params, - const void *data, void *enc) -{ - params->op = kernel_pkey_sign; - return asymmetric_key_eds_op(params, data, enc); -} -EXPORT_SYMBOL_GPL(create_signature); - -/** * verify_signature - Initiate the use of an asymmetric key to verify a signature * @key: The asymmetric key to verify against * @sig: The signature to check diff --git a/crypto/asymmetric_keys/verify_pefile.c b/crypto/asymmetric_keys/verify_pefile.c index 22beaf2213a2..1f3b227ba7f2 100644 --- a/crypto/asymmetric_keys/verify_pefile.c +++ b/crypto/asymmetric_keys/verify_pefile.c @@ -28,7 +28,7 @@ static int pefile_parse_binary(const void *pebuf, unsigned int pelen, const struct pe32plus_opt_hdr *pe64; const struct data_directory *ddir; const struct data_dirent *dde; - const struct section_header *secs, *sec; + const struct section_header *sec; size_t cursor, datalen = pelen; kenter(""); @@ -40,13 +40,13 @@ static int pefile_parse_binary(const void *pebuf, unsigned int pelen, } while (0) chkaddr(0, 0, sizeof(*mz)); - if (mz->magic != MZ_MAGIC) + if (mz->magic != IMAGE_DOS_SIGNATURE) return -ELIBBAD; cursor = sizeof(*mz); chkaddr(cursor, mz->peaddr, sizeof(*pe)); pe = pebuf + mz->peaddr; - if (pe->magic != PE_MAGIC) + if (pe->magic != IMAGE_NT_SIGNATURE) return -ELIBBAD; cursor = mz->peaddr + sizeof(*pe); @@ -55,7 +55,7 @@ static int pefile_parse_binary(const void *pebuf, unsigned int pelen, pe64 = pebuf + cursor; switch (pe32->magic) { - case PE_OPT_MAGIC_PE32: + case IMAGE_NT_OPTIONAL_HDR32_MAGIC: chkaddr(0, cursor, sizeof(*pe32)); ctx->image_checksum_offset = (unsigned long)&pe32->csum - (unsigned long)pebuf; @@ -64,7 +64,7 @@ static int pefile_parse_binary(const void *pebuf, unsigned int pelen, ctx->n_data_dirents = pe32->data_dirs; break; - case PE_OPT_MAGIC_PE32PLUS: + case IMAGE_NT_OPTIONAL_HDR64_MAGIC: chkaddr(0, cursor, sizeof(*pe64)); ctx->image_checksum_offset = (unsigned long)&pe64->csum - (unsigned long)pebuf; @@ -110,7 +110,7 @@ static int pefile_parse_binary(const void *pebuf, unsigned int pelen, ctx->n_sections = pe->sections; if (ctx->n_sections > (ctx->header_size - cursor) / sizeof(*sec)) return -ELIBBAD; - ctx->secs = secs = pebuf + cursor; + ctx->secs = pebuf + cursor; return 0; } @@ -391,7 +391,7 @@ error_no_desc: * verify_pefile_signature - Verify the signature on a PE binary image * @pebuf: Buffer containing the PE binary image * @pelen: Length of the binary image - * @trust_keys: Signing certificate(s) to use as starting points + * @trusted_keys: Signing certificate(s) to use as starting points * @usage: The use to which the key is being put. * * Validate that the certificate chain inside the PKCS#7 message inside the PE diff --git a/crypto/asymmetric_keys/x509.asn1 b/crypto/asymmetric_keys/x509.asn1 index 92d59c32f96a..feb9573cacce 100644 --- a/crypto/asymmetric_keys/x509.asn1 +++ b/crypto/asymmetric_keys/x509.asn1 @@ -1,3 +1,10 @@ +-- SPDX-License-Identifier: BSD-3-Clause +-- +-- Copyright (C) 2008 IETF Trust and the persons identified as authors +-- of the code +-- +-- https://www.rfc-editor.org/rfc/rfc5280#section-4 + Certificate ::= SEQUENCE { tbsCertificate TBSCertificate ({ x509_note_tbs_certificate }), signatureAlgorithm AlgorithmIdentifier, diff --git a/crypto/asymmetric_keys/x509_akid.asn1 b/crypto/asymmetric_keys/x509_akid.asn1 index 1a33231a75a8..0f8355cf1907 100644 --- a/crypto/asymmetric_keys/x509_akid.asn1 +++ b/crypto/asymmetric_keys/x509_akid.asn1 @@ -1,3 +1,8 @@ +-- SPDX-License-Identifier: BSD-3-Clause +-- +-- Copyright (C) 2008 IETF Trust and the persons identified as authors +-- of the code +-- -- X.509 AuthorityKeyIdentifier -- rfc5280 section 4.2.1.1 @@ -14,15 +19,15 @@ CertificateSerialNumber ::= INTEGER ({ x509_akid_note_serial }) GeneralNames ::= SEQUENCE OF GeneralName GeneralName ::= CHOICE { - otherName [0] ANY, - rfc822Name [1] IA5String, - dNSName [2] IA5String, + otherName [0] IMPLICIT OtherName, + rfc822Name [1] IMPLICIT IA5String, + dNSName [2] IMPLICIT IA5String, x400Address [3] ANY, directoryName [4] Name ({ x509_akid_note_name }), - ediPartyName [5] ANY, - uniformResourceIdentifier [6] IA5String, - iPAddress [7] OCTET STRING, - registeredID [8] OBJECT IDENTIFIER + ediPartyName [5] IMPLICIT EDIPartyName, + uniformResourceIdentifier [6] IMPLICIT IA5String, + iPAddress [7] IMPLICIT OCTET STRING, + registeredID [8] IMPLICIT OBJECT IDENTIFIER } Name ::= SEQUENCE OF RelativeDistinguishedName @@ -33,3 +38,13 @@ AttributeValueAssertion ::= SEQUENCE { attributeType OBJECT IDENTIFIER ({ x509_note_OID }), attributeValue ANY ({ x509_extract_name_segment }) } + +OtherName ::= SEQUENCE { + type-id OBJECT IDENTIFIER, + value [0] ANY + } + +EDIPartyName ::= SEQUENCE { + nameAssigner [0] ANY OPTIONAL, + partyName [1] ANY + } diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c index 0a7049b470c1..b37cae914987 100644 --- a/crypto/asymmetric_keys/x509_cert_parser.c +++ b/crypto/asymmetric_keys/x509_cert_parser.c @@ -60,24 +60,23 @@ EXPORT_SYMBOL_GPL(x509_free_certificate); */ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen) { - struct x509_certificate *cert; - struct x509_parse_context *ctx; + struct x509_certificate *cert __free(x509_free_certificate) = NULL; + struct x509_parse_context *ctx __free(kfree) = NULL; struct asymmetric_key_id *kid; long ret; - ret = -ENOMEM; cert = kzalloc(sizeof(struct x509_certificate), GFP_KERNEL); if (!cert) - goto error_no_cert; + return ERR_PTR(-ENOMEM); cert->pub = kzalloc(sizeof(struct public_key), GFP_KERNEL); if (!cert->pub) - goto error_no_ctx; + return ERR_PTR(-ENOMEM); cert->sig = kzalloc(sizeof(struct public_key_signature), GFP_KERNEL); if (!cert->sig) - goto error_no_ctx; + return ERR_PTR(-ENOMEM); ctx = kzalloc(sizeof(struct x509_parse_context), GFP_KERNEL); if (!ctx) - goto error_no_ctx; + return ERR_PTR(-ENOMEM); ctx->cert = cert; ctx->data = (unsigned long)data; @@ -85,7 +84,7 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen) /* Attempt to decode the certificate */ ret = asn1_ber_decoder(&x509_decoder, ctx, data, datalen); if (ret < 0) - goto error_decode; + return ERR_PTR(ret); /* Decode the AuthorityKeyIdentifier */ if (ctx->raw_akid) { @@ -95,20 +94,19 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen) ctx->raw_akid, ctx->raw_akid_size); if (ret < 0) { pr_warn("Couldn't decode AuthKeyIdentifier\n"); - goto error_decode; + return ERR_PTR(ret); } } - ret = -ENOMEM; cert->pub->key = kmemdup(ctx->key, ctx->key_size, GFP_KERNEL); if (!cert->pub->key) - goto error_decode; + return ERR_PTR(-ENOMEM); cert->pub->keylen = ctx->key_size; cert->pub->params = kmemdup(ctx->params, ctx->params_size, GFP_KERNEL); if (!cert->pub->params) - goto error_decode; + return ERR_PTR(-ENOMEM); cert->pub->paramlen = ctx->params_size; cert->pub->algo = ctx->key_algo; @@ -116,33 +114,23 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen) /* Grab the signature bits */ ret = x509_get_sig_params(cert); if (ret < 0) - goto error_decode; + return ERR_PTR(ret); /* Generate cert issuer + serial number key ID */ kid = asymmetric_key_generate_id(cert->raw_serial, cert->raw_serial_size, cert->raw_issuer, cert->raw_issuer_size); - if (IS_ERR(kid)) { - ret = PTR_ERR(kid); - goto error_decode; - } + if (IS_ERR(kid)) + return ERR_CAST(kid); cert->id = kid; /* Detect self-signed certificates */ ret = x509_check_for_self_signed(cert); if (ret < 0) - goto error_decode; + return ERR_PTR(ret); - kfree(ctx); - return cert; - -error_decode: - kfree(ctx); -error_no_ctx: - x509_free_certificate(cert); -error_no_cert: - return ERR_PTR(ret); + return_ptr(cert); } EXPORT_SYMBOL_GPL(x509_cert_parse); @@ -195,15 +183,9 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag, pr_debug("PubKey Algo: %u\n", ctx->last_oid); switch (ctx->last_oid) { - case OID_md2WithRSAEncryption: - case OID_md3WithRSAEncryption: default: return -ENOPKG; /* Unsupported combination */ - case OID_md4WithRSAEncryption: - ctx->cert->sig->hash_algo = "md4"; - goto rsa_pkcs1; - case OID_sha1WithRSAEncryption: ctx->cert->sig->hash_algo = "sha1"; goto rsa_pkcs1; @@ -228,6 +210,18 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag, ctx->cert->sig->hash_algo = "sha1"; goto ecdsa; + case OID_id_rsassa_pkcs1_v1_5_with_sha3_256: + ctx->cert->sig->hash_algo = "sha3-256"; + goto rsa_pkcs1; + + case OID_id_rsassa_pkcs1_v1_5_with_sha3_384: + ctx->cert->sig->hash_algo = "sha3-384"; + goto rsa_pkcs1; + + case OID_id_rsassa_pkcs1_v1_5_with_sha3_512: + ctx->cert->sig->hash_algo = "sha3-512"; + goto rsa_pkcs1; + case OID_id_ecdsa_with_sha224: ctx->cert->sig->hash_algo = "sha224"; goto ecdsa; @@ -244,6 +238,18 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag, ctx->cert->sig->hash_algo = "sha512"; goto ecdsa; + case OID_id_ecdsa_with_sha3_256: + ctx->cert->sig->hash_algo = "sha3-256"; + goto ecdsa; + + case OID_id_ecdsa_with_sha3_384: + ctx->cert->sig->hash_algo = "sha3-384"; + goto ecdsa; + + case OID_id_ecdsa_with_sha3_512: + ctx->cert->sig->hash_algo = "sha3-512"; + goto ecdsa; + case OID_gost2012Signature256: ctx->cert->sig->hash_algo = "streebog256"; goto ecrdsa; @@ -251,10 +257,6 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag, case OID_gost2012Signature512: ctx->cert->sig->hash_algo = "streebog512"; goto ecrdsa; - - case OID_SM2_with_SM3: - ctx->cert->sig->hash_algo = "sm3"; - goto sm2; } rsa_pkcs1: @@ -267,11 +269,6 @@ ecrdsa: ctx->cert->sig->encoding = "raw"; ctx->sig_algo = ctx->last_oid; return 0; -sm2: - ctx->cert->sig->pkey_algo = "sm2"; - ctx->cert->sig->encoding = "raw"; - ctx->sig_algo = ctx->last_oid; - return 0; ecdsa: ctx->cert->sig->pkey_algo = "ecdsa"; ctx->cert->sig->encoding = "x962"; @@ -303,7 +300,6 @@ int x509_note_signature(void *context, size_t hdrlen, if (strcmp(ctx->cert->sig->pkey_algo, "rsa") == 0 || strcmp(ctx->cert->sig->pkey_algo, "ecrdsa") == 0 || - strcmp(ctx->cert->sig->pkey_algo, "sm2") == 0 || strcmp(ctx->cert->sig->pkey_algo, "ecdsa") == 0) { /* Discard the BIT STRING metadata */ if (vlen < 1 || *(const u8 *)value != 0) @@ -376,10 +372,9 @@ static int x509_fabricate_name(struct x509_parse_context *ctx, size_t hdrlen, /* Empty name string if no material */ if (!ctx->cn_size && !ctx->o_size && !ctx->email_size) { - buffer = kmalloc(1, GFP_KERNEL); + buffer = kzalloc(1, GFP_KERNEL); if (!buffer) return -ENOMEM; - buffer[0] = 0; goto done; } @@ -508,17 +503,11 @@ int x509_extract_key_data(void *context, size_t hdrlen, case OID_gost2012PKey512: ctx->cert->pub->pkey_algo = "ecrdsa"; break; - case OID_sm2: - ctx->cert->pub->pkey_algo = "sm2"; - break; case OID_id_ecPublicKey: if (parse_OID(ctx->params, ctx->params_size, &oid) != 0) return -EBADMSG; switch (oid) { - case OID_sm2: - ctx->cert->pub->pkey_algo = "sm2"; - break; case OID_id_prime192v1: ctx->cert->pub->pkey_algo = "ecdsa-nist-p192"; break; @@ -528,6 +517,9 @@ int x509_extract_key_data(void *context, size_t hdrlen, case OID_id_ansip384r1: ctx->cert->pub->pkey_algo = "ecdsa-nist-p384"; break; + case OID_id_ansip521r1: + ctx->cert->pub->pkey_algo = "ecdsa-nist-p521"; + break; default: return -ENOPKG; } @@ -618,11 +610,14 @@ int x509_process_extension(void *context, size_t hdrlen, /* * Get hold of the basicConstraints * v[1] is the encoding size - * (Expect 0x2 or greater, making it 1 or more bytes) + * (Expect 0x00 for empty SEQUENCE with CA:FALSE, or + * 0x03 or greater for non-empty SEQUENCE) * v[2] is the encoding type * (Expect an ASN1_BOOL for the CA) - * v[3] is the contents of the ASN1_BOOL - * (Expect 1 if the CA is TRUE) + * v[3] is the length of the ASN1_BOOL + * (Expect 1 for a single byte boolean) + * v[4] is the contents of the ASN1_BOOL + * (Expect 0xFF if the CA is TRUE) * vlen should match the entire extension size */ if (v[0] != (ASN1_CONS_BIT | ASN1_SEQ)) @@ -631,8 +626,13 @@ int x509_process_extension(void *context, size_t hdrlen, return -EBADMSG; if (v[1] != vlen - 2) return -EBADMSG; - if (vlen >= 4 && v[1] != 0 && v[2] == ASN1_BOOL && v[3] == 1) + /* Empty SEQUENCE means CA:FALSE (default value omitted per DER) */ + if (v[1] == 0) + return 0; + if (vlen >= 5 && v[2] == ASN1_BOOL && v[3] == 1 && v[4] == 0xFF) ctx->cert->pub->key_eflags |= 1 << KEY_EFLAG_CA; + else + return -EBADMSG; return 0; } diff --git a/crypto/asymmetric_keys/x509_parser.h b/crypto/asymmetric_keys/x509_parser.h index a299c9c56f40..0688c222806b 100644 --- a/crypto/asymmetric_keys/x509_parser.h +++ b/crypto/asymmetric_keys/x509_parser.h @@ -5,6 +5,7 @@ * Written by David Howells (dhowells@redhat.com) */ +#include <linux/cleanup.h> #include <linux/time.h> #include <crypto/public_key.h> #include <keys/asymmetric-type.h> @@ -41,18 +42,11 @@ struct x509_certificate { }; /* - * selftest.c - */ -#ifdef CONFIG_FIPS_SIGNATURE_SELFTEST -extern int __init fips_signature_selftest(void); -#else -static inline int fips_signature_selftest(void) { return 0; } -#endif - -/* * x509_cert_parser.c */ extern void x509_free_certificate(struct x509_certificate *cert); +DEFINE_FREE(x509_free_certificate, struct x509_certificate *, + if (!IS_ERR(_T)) x509_free_certificate(_T)) extern struct x509_certificate *x509_cert_parse(const void *data, size_t datalen); extern int x509_decode_time(time64_t *_t, size_t hdrlen, unsigned char tag, diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c index 0b4943a4592b..12e3341e806b 100644 --- a/crypto/asymmetric_keys/x509_public_key.c +++ b/crypto/asymmetric_keys/x509_public_key.c @@ -6,13 +6,14 @@ */ #define pr_fmt(fmt) "X.509: "fmt +#include <crypto/hash.h> +#include <keys/asymmetric-parser.h> +#include <keys/asymmetric-subtype.h> +#include <keys/system_keyring.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/slab.h> -#include <keys/asymmetric-subtype.h> -#include <keys/asymmetric-parser.h> -#include <keys/system_keyring.h> -#include <crypto/hash.h> +#include <linux/string.h> #include "asymmetric_keys.h" #include "x509_parser.h" @@ -30,9 +31,6 @@ int x509_get_sig_params(struct x509_certificate *cert) pr_devel("==>%s()\n", __func__); - sig->data = cert->tbs; - sig->data_size = cert->tbs_size; - sig->s = kmemdup(cert->raw_sig, cert->raw_sig_size, GFP_KERNEL); if (!sig->s) return -ENOMEM; @@ -65,7 +63,9 @@ int x509_get_sig_params(struct x509_certificate *cert) desc->tfm = tfm; - ret = crypto_shash_digest(desc, cert->tbs, cert->tbs_size, sig->digest); + ret = crypto_shash_digest(desc, cert->tbs, cert->tbs_size, + sig->digest); + if (ret < 0) goto error_2; @@ -117,6 +117,11 @@ int x509_check_for_self_signed(struct x509_certificate *cert) goto out; } + if (cert->unsupported_sig) { + ret = 0; + goto out; + } + ret = public_key_verify_signature(cert->pub, cert->sig); if (ret < 0) { if (ret == -ENOPKG) { @@ -143,12 +148,11 @@ not_self_signed: */ static int x509_key_preparse(struct key_preparsed_payload *prep) { - struct asymmetric_key_ids *kids; - struct x509_certificate *cert; + struct x509_certificate *cert __free(x509_free_certificate) = NULL; + struct asymmetric_key_ids *kids __free(kfree) = NULL; + char *p, *desc __free(kfree) = NULL; const char *q; size_t srlen, sulen; - char *desc = NULL, *p; - int ret; cert = x509_cert_parse(prep->data, prep->datalen); if (IS_ERR(cert)) @@ -170,9 +174,8 @@ static int x509_key_preparse(struct key_preparsed_payload *prep) } /* Don't permit addition of blacklisted keys */ - ret = -EKEYREJECTED; if (cert->blacklisted) - goto error_free_cert; + return -EKEYREJECTED; /* Propose a description */ sulen = strlen(cert->subject); @@ -184,10 +187,9 @@ static int x509_key_preparse(struct key_preparsed_payload *prep) q = cert->raw_serial; } - ret = -ENOMEM; desc = kmalloc(sulen + 2 + srlen * 2 + 1, GFP_KERNEL); if (!desc) - goto error_free_cert; + return -ENOMEM; p = memcpy(desc, cert->subject, sulen); p += sulen; *p++ = ':'; @@ -197,16 +199,14 @@ static int x509_key_preparse(struct key_preparsed_payload *prep) kids = kmalloc(sizeof(struct asymmetric_key_ids), GFP_KERNEL); if (!kids) - goto error_free_desc; + return -ENOMEM; kids->id[0] = cert->id; kids->id[1] = cert->skid; kids->id[2] = asymmetric_key_generate_id(cert->raw_subject, cert->raw_subject_size, "", 0); - if (IS_ERR(kids->id[2])) { - ret = PTR_ERR(kids->id[2]); - goto error_free_kids; - } + if (IS_ERR(kids->id[2])) + return PTR_ERR(kids->id[2]); /* We're pinning the module by being linked against it */ __module_get(public_key_subtype.owner); @@ -224,15 +224,7 @@ static int x509_key_preparse(struct key_preparsed_payload *prep) cert->sig = NULL; desc = NULL; kids = NULL; - ret = 0; - -error_free_kids: - kfree(kids); -error_free_desc: - kfree(desc); -error_free_cert: - x509_free_certificate(cert); - return ret; + return 0; } static struct asymmetric_key_parser x509_key_parser = { @@ -244,15 +236,9 @@ static struct asymmetric_key_parser x509_key_parser = { /* * Module stuff */ -extern int __init certs_selftest(void); static int __init x509_key_init(void) { - int ret; - - ret = register_asymmetric_key_parser(&x509_key_parser); - if (ret < 0) - return ret; - return fips_signature_selftest(); + return register_asymmetric_key_parser(&x509_key_parser); } static void __exit x509_key_exit(void) diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c index 5e2b2680d7db..9e4bb7fbde25 100644 --- a/crypto/async_tx/async_pq.c +++ b/crypto/async_tx/async_pq.c @@ -119,7 +119,7 @@ do_sync_gen_syndrome(struct page **blocks, unsigned int *offsets, int disks, for (i = 0; i < disks; i++) { if (blocks[i] == NULL) { BUG_ON(i > disks - 3); /* P or Q can't be zero */ - srcs[i] = (void*)raid6_empty_zero_page; + srcs[i] = raid6_get_zero_page(); } else { srcs[i] = page_address(blocks[i]) + offsets[i]; diff --git a/crypto/async_tx/async_raid6_recov.c b/crypto/async_tx/async_raid6_recov.c index 354b8cd5537f..539ea5b378dc 100644 --- a/crypto/async_tx/async_raid6_recov.c +++ b/crypto/async_tx/async_raid6_recov.c @@ -414,7 +414,7 @@ async_raid6_2data_recov(int disks, size_t bytes, int faila, int failb, async_tx_quiesce(&submit->depend_tx); for (i = 0; i < disks; i++) if (blocks[i] == NULL) - ptrs[i] = (void *) raid6_empty_zero_page; + ptrs[i] = raid6_get_zero_page(); else ptrs[i] = page_address(blocks[i]) + offs[i]; @@ -497,7 +497,7 @@ async_raid6_datap_recov(int disks, size_t bytes, int faila, async_tx_quiesce(&submit->depend_tx); for (i = 0; i < disks; i++) if (blocks[i] == NULL) - ptrs[i] = (void*)raid6_empty_zero_page; + ptrs[i] = raid6_get_zero_page(); else ptrs[i] = page_address(blocks[i]) + offs[i]; diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c index 1a3855284091..2c499654a36c 100644 --- a/crypto/async_tx/async_xor.c +++ b/crypto/async_tx/async_xor.c @@ -389,32 +389,6 @@ async_xor_val_offs(struct page *dest, unsigned int offset, } EXPORT_SYMBOL_GPL(async_xor_val_offs); -/** - * async_xor_val - attempt a xor parity check with a dma engine. - * @dest: destination page used if the xor is performed synchronously - * @src_list: array of source pages - * @offset: offset in pages to start transaction - * @src_cnt: number of source pages - * @len: length in bytes - * @result: 0 if sum == 0 else non-zero - * @submit: submission / completion modifiers - * - * honored flags: ASYNC_TX_ACK - * - * src_list note: if the dest is also a source it must be at index zero. - * The contents of this array will be overwritten if a scribble region - * is not specified. - */ -struct dma_async_tx_descriptor * -async_xor_val(struct page *dest, struct page **src_list, unsigned int offset, - int src_cnt, size_t len, enum sum_check_flags *result, - struct async_submit_ctl *submit) -{ - return async_xor_val_offs(dest, offset, src_list, NULL, src_cnt, - len, result, submit); -} -EXPORT_SYMBOL_GPL(async_xor_val); - MODULE_AUTHOR("Intel Corporation"); MODULE_DESCRIPTION("asynchronous xor/xor-zero-sum api"); MODULE_LICENSE("GPL"); diff --git a/crypto/authenc.c b/crypto/authenc.c index 3326c7343e86..ac679ce2cb95 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -9,7 +9,6 @@ #include <crypto/internal/hash.h> #include <crypto/internal/skcipher.h> #include <crypto/authenc.h> -#include <crypto/null.h> #include <crypto/scatterwalk.h> #include <linux/err.h> #include <linux/init.h> @@ -28,7 +27,6 @@ struct authenc_instance_ctx { struct crypto_authenc_ctx { struct crypto_ahash *auth; struct crypto_skcipher *enc; - struct crypto_sync_skcipher *null; }; struct authenc_request_ctx { @@ -39,7 +37,7 @@ struct authenc_request_ctx { static void authenc_request_complete(struct aead_request *req, int err) { - if (err != -EINPROGRESS) + if (err != -EINPROGRESS && err != -EBUSY) aead_request_complete(req, err); } @@ -109,27 +107,42 @@ out: return err; } -static void authenc_geniv_ahash_done(void *data, int err) +static void authenc_geniv_ahash_finish(struct aead_request *req) { - struct aead_request *req = data; struct crypto_aead *authenc = crypto_aead_reqtfm(req); struct aead_instance *inst = aead_alg_instance(authenc); struct authenc_instance_ctx *ictx = aead_instance_ctx(inst); struct authenc_request_ctx *areq_ctx = aead_request_ctx(req); struct ahash_request *ahreq = (void *)(areq_ctx->tail + ictx->reqoff); - if (err) - goto out; - scatterwalk_map_and_copy(ahreq->result, req->dst, req->assoclen + req->cryptlen, crypto_aead_authsize(authenc), 1); +} -out: +static void authenc_geniv_ahash_done(void *data, int err) +{ + struct aead_request *req = data; + + if (!err) + authenc_geniv_ahash_finish(req); aead_request_complete(req, err); } -static int crypto_authenc_genicv(struct aead_request *req, unsigned int flags) +/* + * Used when the ahash request was invoked in the async callback context + * of the previous skcipher request. Eat any EINPROGRESS notifications. + */ +static void authenc_geniv_ahash_done2(void *data, int err) +{ + struct aead_request *req = data; + + if (!err) + authenc_geniv_ahash_finish(req); + authenc_request_complete(req, err); +} + +static int crypto_authenc_genicv(struct aead_request *req, unsigned int mask) { struct crypto_aead *authenc = crypto_aead_reqtfm(req); struct aead_instance *inst = aead_alg_instance(authenc); @@ -138,17 +151,16 @@ static int crypto_authenc_genicv(struct aead_request *req, unsigned int flags) struct crypto_ahash *auth = ctx->auth; struct authenc_request_ctx *areq_ctx = aead_request_ctx(req); struct ahash_request *ahreq = (void *)(areq_ctx->tail + ictx->reqoff); + unsigned int flags = aead_request_flags(req) & ~mask; u8 *hash = areq_ctx->tail; int err; - hash = (u8 *)ALIGN((unsigned long)hash + crypto_ahash_alignmask(auth), - crypto_ahash_alignmask(auth) + 1); - ahash_request_set_tfm(ahreq, auth); ahash_request_set_crypt(ahreq, req->dst, hash, req->assoclen + req->cryptlen); ahash_request_set_callback(ahreq, flags, - authenc_geniv_ahash_done, req); + mask ? authenc_geniv_ahash_done2 : + authenc_geniv_ahash_done, req); err = crypto_ahash_digest(ahreq); if (err) @@ -164,30 +176,14 @@ static void crypto_authenc_encrypt_done(void *data, int err) { struct aead_request *areq = data; - if (err) - goto out; - - err = crypto_authenc_genicv(areq, 0); - -out: + if (err) { + aead_request_complete(areq, err); + return; + } + err = crypto_authenc_genicv(areq, CRYPTO_TFM_REQ_MAY_SLEEP); authenc_request_complete(areq, err); } -static int crypto_authenc_copy_assoc(struct aead_request *req) -{ - struct crypto_aead *authenc = crypto_aead_reqtfm(req); - struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc); - SYNC_SKCIPHER_REQUEST_ON_STACK(skreq, ctx->null); - - skcipher_request_set_sync_tfm(skreq, ctx->null); - skcipher_request_set_callback(skreq, aead_request_flags(req), - NULL, NULL); - skcipher_request_set_crypt(skreq, req->src, req->dst, req->assoclen, - NULL); - - return crypto_skcipher_encrypt(skreq); -} - static int crypto_authenc_encrypt(struct aead_request *req) { struct crypto_aead *authenc = crypto_aead_reqtfm(req); @@ -206,10 +202,7 @@ static int crypto_authenc_encrypt(struct aead_request *req) dst = src; if (req->src != req->dst) { - err = crypto_authenc_copy_assoc(req); - if (err) - return err; - + memcpy_sglist(req->dst, req->src, req->assoclen); dst = scatterwalk_ffwd(areq_ctx->dst, req->dst, req->assoclen); } @@ -222,11 +215,18 @@ static int crypto_authenc_encrypt(struct aead_request *req) if (err) return err; - return crypto_authenc_genicv(req, aead_request_flags(req)); + return crypto_authenc_genicv(req, 0); +} + +static void authenc_decrypt_tail_done(void *data, int err) +{ + struct aead_request *req = data; + + authenc_request_complete(req, err); } static int crypto_authenc_decrypt_tail(struct aead_request *req, - unsigned int flags) + unsigned int mask) { struct crypto_aead *authenc = crypto_aead_reqtfm(req); struct aead_instance *inst = aead_alg_instance(authenc); @@ -237,6 +237,7 @@ static int crypto_authenc_decrypt_tail(struct aead_request *req, struct skcipher_request *skreq = (void *)(areq_ctx->tail + ictx->reqoff); unsigned int authsize = crypto_aead_authsize(authenc); + unsigned int flags = aead_request_flags(req) & ~mask; u8 *ihash = ahreq->result + authsize; struct scatterlist *src, *dst; @@ -253,7 +254,9 @@ static int crypto_authenc_decrypt_tail(struct aead_request *req, skcipher_request_set_tfm(skreq, ctx->enc); skcipher_request_set_callback(skreq, flags, - req->base.complete, req->base.data); + mask ? authenc_decrypt_tail_done : + req->base.complete, + mask ? req : req->base.data); skcipher_request_set_crypt(skreq, src, dst, req->cryptlen - authsize, req->iv); @@ -264,12 +267,11 @@ static void authenc_verify_ahash_done(void *data, int err) { struct aead_request *req = data; - if (err) - goto out; - - err = crypto_authenc_decrypt_tail(req, 0); - -out: + if (err) { + aead_request_complete(req, err); + return; + } + err = crypto_authenc_decrypt_tail(req, CRYPTO_TFM_REQ_MAY_SLEEP); authenc_request_complete(req, err); } @@ -286,9 +288,6 @@ static int crypto_authenc_decrypt(struct aead_request *req) u8 *hash = areq_ctx->tail; int err; - hash = (u8 *)ALIGN((unsigned long)hash + crypto_ahash_alignmask(auth), - crypto_ahash_alignmask(auth) + 1); - ahash_request_set_tfm(ahreq, auth); ahash_request_set_crypt(ahreq, req->src, hash, req->assoclen + req->cryptlen - authsize); @@ -299,7 +298,7 @@ static int crypto_authenc_decrypt(struct aead_request *req) if (err) return err; - return crypto_authenc_decrypt_tail(req, aead_request_flags(req)); + return crypto_authenc_decrypt_tail(req, 0); } static int crypto_authenc_init_tfm(struct crypto_aead *tfm) @@ -309,7 +308,6 @@ static int crypto_authenc_init_tfm(struct crypto_aead *tfm) struct crypto_authenc_ctx *ctx = crypto_aead_ctx(tfm); struct crypto_ahash *auth; struct crypto_skcipher *enc; - struct crypto_sync_skcipher *null; int err; auth = crypto_spawn_ahash(&ictx->auth); @@ -321,14 +319,8 @@ static int crypto_authenc_init_tfm(struct crypto_aead *tfm) if (IS_ERR(enc)) goto err_free_ahash; - null = crypto_get_default_null_skcipher(); - err = PTR_ERR(null); - if (IS_ERR(null)) - goto err_free_skcipher; - ctx->auth = auth; ctx->enc = enc; - ctx->null = null; crypto_aead_set_reqsize( tfm, @@ -342,8 +334,6 @@ static int crypto_authenc_init_tfm(struct crypto_aead *tfm) return 0; -err_free_skcipher: - crypto_free_skcipher(enc); err_free_ahash: crypto_free_ahash(auth); return err; @@ -355,7 +345,6 @@ static void crypto_authenc_exit_tfm(struct crypto_aead *tfm) crypto_free_ahash(ctx->auth); crypto_free_skcipher(ctx->enc); - crypto_put_default_null_skcipher(); } static void crypto_authenc_free(struct aead_instance *inst) @@ -373,9 +362,9 @@ static int crypto_authenc_create(struct crypto_template *tmpl, u32 mask; struct aead_instance *inst; struct authenc_instance_ctx *ctx; + struct skcipher_alg_common *enc; struct hash_alg_common *auth; struct crypto_alg *auth_base; - struct skcipher_alg *enc; int err; err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AEAD, &mask); @@ -398,10 +387,9 @@ static int crypto_authenc_create(struct crypto_template *tmpl, crypto_attr_alg_name(tb[2]), 0, mask); if (err) goto err_free_inst; - enc = crypto_spawn_skcipher_alg(&ctx->enc); + enc = crypto_spawn_skcipher_alg_common(&ctx->enc); - ctx->reqoff = ALIGN(2 * auth->digestsize + auth_base->cra_alignmask, - auth_base->cra_alignmask + 1); + ctx->reqoff = 2 * auth->digestsize; err = -ENAMETOOLONG; if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, @@ -418,12 +406,11 @@ static int crypto_authenc_create(struct crypto_template *tmpl, inst->alg.base.cra_priority = enc->base.cra_priority * 10 + auth_base->cra_priority; inst->alg.base.cra_blocksize = enc->base.cra_blocksize; - inst->alg.base.cra_alignmask = auth_base->cra_alignmask | - enc->base.cra_alignmask; + inst->alg.base.cra_alignmask = enc->base.cra_alignmask; inst->alg.base.cra_ctxsize = sizeof(struct crypto_authenc_ctx); - inst->alg.ivsize = crypto_skcipher_alg_ivsize(enc); - inst->alg.chunksize = crypto_skcipher_alg_chunksize(enc); + inst->alg.ivsize = enc->ivsize; + inst->alg.chunksize = enc->chunksize; inst->alg.maxauthsize = auth->digestsize; inst->alg.init = crypto_authenc_init_tfm; @@ -459,7 +446,7 @@ static void __exit crypto_authenc_module_exit(void) crypto_unregister_template(&crypto_authenc_tmpl); } -subsys_initcall(crypto_authenc_module_init); +module_init(crypto_authenc_module_init); module_exit(crypto_authenc_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/authencesn.c b/crypto/authencesn.c index 91424e791d5c..d1bf0fda3f2e 100644 --- a/crypto/authencesn.c +++ b/crypto/authencesn.c @@ -12,7 +12,6 @@ #include <crypto/internal/hash.h> #include <crypto/internal/skcipher.h> #include <crypto/authenc.h> -#include <crypto/null.h> #include <crypto/scatterwalk.h> #include <linux/err.h> #include <linux/init.h> @@ -31,7 +30,6 @@ struct crypto_authenc_esn_ctx { unsigned int reqoff; struct crypto_ahash *auth; struct crypto_skcipher *enc; - struct crypto_sync_skcipher *null; }; struct authenc_esn_request_ctx { @@ -87,11 +85,8 @@ static int crypto_authenc_esn_genicv_tail(struct aead_request *req, unsigned int flags) { struct crypto_aead *authenc_esn = crypto_aead_reqtfm(req); - struct crypto_authenc_esn_ctx *ctx = crypto_aead_ctx(authenc_esn); struct authenc_esn_request_ctx *areq_ctx = aead_request_ctx(req); - struct crypto_ahash *auth = ctx->auth; - u8 *hash = PTR_ALIGN((u8 *)areq_ctx->tail, - crypto_ahash_alignmask(auth) + 1); + u8 *hash = areq_ctx->tail; unsigned int authsize = crypto_aead_authsize(authenc_esn); unsigned int assoclen = req->assoclen; unsigned int cryptlen = req->cryptlen; @@ -122,8 +117,7 @@ static int crypto_authenc_esn_genicv(struct aead_request *req, struct authenc_esn_request_ctx *areq_ctx = aead_request_ctx(req); struct crypto_authenc_esn_ctx *ctx = crypto_aead_ctx(authenc_esn); struct crypto_ahash *auth = ctx->auth; - u8 *hash = PTR_ALIGN((u8 *)areq_ctx->tail, - crypto_ahash_alignmask(auth) + 1); + u8 *hash = areq_ctx->tail; struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff); unsigned int authsize = crypto_aead_authsize(authenc_esn); unsigned int assoclen = req->assoclen; @@ -162,20 +156,6 @@ static void crypto_authenc_esn_encrypt_done(void *data, int err) authenc_esn_request_complete(areq, err); } -static int crypto_authenc_esn_copy(struct aead_request *req, unsigned int len) -{ - struct crypto_aead *authenc_esn = crypto_aead_reqtfm(req); - struct crypto_authenc_esn_ctx *ctx = crypto_aead_ctx(authenc_esn); - SYNC_SKCIPHER_REQUEST_ON_STACK(skreq, ctx->null); - - skcipher_request_set_sync_tfm(skreq, ctx->null); - skcipher_request_set_callback(skreq, aead_request_flags(req), - NULL, NULL); - skcipher_request_set_crypt(skreq, req->src, req->dst, len, NULL); - - return crypto_skcipher_encrypt(skreq); -} - static int crypto_authenc_esn_encrypt(struct aead_request *req) { struct crypto_aead *authenc_esn = crypto_aead_reqtfm(req); @@ -194,10 +174,7 @@ static int crypto_authenc_esn_encrypt(struct aead_request *req) dst = src; if (req->src != req->dst) { - err = crypto_authenc_esn_copy(req, assoclen); - if (err) - return err; - + memcpy_sglist(req->dst, req->src, assoclen); sg_init_table(areq_ctx->dst, 2); dst = scatterwalk_ffwd(areq_ctx->dst, req->dst, assoclen); } @@ -224,8 +201,7 @@ static int crypto_authenc_esn_decrypt_tail(struct aead_request *req, struct skcipher_request *skreq = (void *)(areq_ctx->tail + ctx->reqoff); struct crypto_ahash *auth = ctx->auth; - u8 *ohash = PTR_ALIGN((u8 *)areq_ctx->tail, - crypto_ahash_alignmask(auth) + 1); + u8 *ohash = areq_ctx->tail; unsigned int cryptlen = req->cryptlen - authsize; unsigned int assoclen = req->assoclen; struct scatterlist *dst = req->dst; @@ -272,8 +248,7 @@ static int crypto_authenc_esn_decrypt(struct aead_request *req) struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff); unsigned int authsize = crypto_aead_authsize(authenc_esn); struct crypto_ahash *auth = ctx->auth; - u8 *ohash = PTR_ALIGN((u8 *)areq_ctx->tail, - crypto_ahash_alignmask(auth) + 1); + u8 *ohash = areq_ctx->tail; unsigned int assoclen = req->assoclen; unsigned int cryptlen = req->cryptlen; u8 *ihash = ohash + crypto_ahash_digestsize(auth); @@ -283,11 +258,8 @@ static int crypto_authenc_esn_decrypt(struct aead_request *req) cryptlen -= authsize; - if (req->src != dst) { - err = crypto_authenc_esn_copy(req, assoclen + cryptlen); - if (err) - return err; - } + if (req->src != dst) + memcpy_sglist(dst, req->src, assoclen + cryptlen); scatterwalk_map_and_copy(ihash, req->src, assoclen + cryptlen, authsize, 0); @@ -323,7 +295,6 @@ static int crypto_authenc_esn_init_tfm(struct crypto_aead *tfm) struct crypto_authenc_esn_ctx *ctx = crypto_aead_ctx(tfm); struct crypto_ahash *auth; struct crypto_skcipher *enc; - struct crypto_sync_skcipher *null; int err; auth = crypto_spawn_ahash(&ictx->auth); @@ -335,17 +306,10 @@ static int crypto_authenc_esn_init_tfm(struct crypto_aead *tfm) if (IS_ERR(enc)) goto err_free_ahash; - null = crypto_get_default_null_skcipher(); - err = PTR_ERR(null); - if (IS_ERR(null)) - goto err_free_skcipher; - ctx->auth = auth; ctx->enc = enc; - ctx->null = null; - ctx->reqoff = ALIGN(2 * crypto_ahash_digestsize(auth), - crypto_ahash_alignmask(auth) + 1); + ctx->reqoff = 2 * crypto_ahash_digestsize(auth); crypto_aead_set_reqsize( tfm, @@ -359,8 +323,6 @@ static int crypto_authenc_esn_init_tfm(struct crypto_aead *tfm) return 0; -err_free_skcipher: - crypto_free_skcipher(enc); err_free_ahash: crypto_free_ahash(auth); return err; @@ -372,7 +334,6 @@ static void crypto_authenc_esn_exit_tfm(struct crypto_aead *tfm) crypto_free_ahash(ctx->auth); crypto_free_skcipher(ctx->enc); - crypto_put_default_null_skcipher(); } static void crypto_authenc_esn_free(struct aead_instance *inst) @@ -390,9 +351,9 @@ static int crypto_authenc_esn_create(struct crypto_template *tmpl, u32 mask; struct aead_instance *inst; struct authenc_esn_instance_ctx *ctx; + struct skcipher_alg_common *enc; struct hash_alg_common *auth; struct crypto_alg *auth_base; - struct skcipher_alg *enc; int err; err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AEAD, &mask); @@ -415,7 +376,7 @@ static int crypto_authenc_esn_create(struct crypto_template *tmpl, crypto_attr_alg_name(tb[2]), 0, mask); if (err) goto err_free_inst; - enc = crypto_spawn_skcipher_alg(&ctx->enc); + enc = crypto_spawn_skcipher_alg_common(&ctx->enc); err = -ENAMETOOLONG; if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, @@ -431,12 +392,11 @@ static int crypto_authenc_esn_create(struct crypto_template *tmpl, inst->alg.base.cra_priority = enc->base.cra_priority * 10 + auth_base->cra_priority; inst->alg.base.cra_blocksize = enc->base.cra_blocksize; - inst->alg.base.cra_alignmask = auth_base->cra_alignmask | - enc->base.cra_alignmask; + inst->alg.base.cra_alignmask = enc->base.cra_alignmask; inst->alg.base.cra_ctxsize = sizeof(struct crypto_authenc_esn_ctx); - inst->alg.ivsize = crypto_skcipher_alg_ivsize(enc); - inst->alg.chunksize = crypto_skcipher_alg_chunksize(enc); + inst->alg.ivsize = enc->ivsize; + inst->alg.chunksize = enc->chunksize; inst->alg.maxauthsize = auth->digestsize; inst->alg.init = crypto_authenc_esn_init_tfm; @@ -473,7 +433,7 @@ static void __exit crypto_authenc_esn_module_exit(void) crypto_unregister_template(&crypto_authenc_esn_tmpl); } -subsys_initcall(crypto_authenc_esn_module_init); +module_init(crypto_authenc_esn_module_init); module_exit(crypto_authenc_esn_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/blake2b.c b/crypto/blake2b.c new file mode 100644 index 000000000000..67a6dae43a54 --- /dev/null +++ b/crypto/blake2b.c @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Crypto API support for BLAKE2b + * + * Copyright 2025 Google LLC + */ +#include <crypto/blake2b.h> +#include <crypto/internal/hash.h> +#include <linux/kernel.h> +#include <linux/module.h> + +struct blake2b_tfm_ctx { + unsigned int keylen; + u8 key[BLAKE2B_KEY_SIZE]; +}; + +static int crypto_blake2b_setkey(struct crypto_shash *tfm, + const u8 *key, unsigned int keylen) +{ + struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm); + + if (keylen > BLAKE2B_KEY_SIZE) + return -EINVAL; + memcpy(tctx->key, key, keylen); + tctx->keylen = keylen; + return 0; +} + +#define BLAKE2B_CTX(desc) ((struct blake2b_ctx *)shash_desc_ctx(desc)) + +static int crypto_blake2b_init(struct shash_desc *desc) +{ + const struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); + unsigned int digestsize = crypto_shash_digestsize(desc->tfm); + + blake2b_init_key(BLAKE2B_CTX(desc), digestsize, + tctx->key, tctx->keylen); + return 0; +} + +static int crypto_blake2b_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + blake2b_update(BLAKE2B_CTX(desc), data, len); + return 0; +} + +static int crypto_blake2b_final(struct shash_desc *desc, u8 *out) +{ + blake2b_final(BLAKE2B_CTX(desc), out); + return 0; +} + +static int crypto_blake2b_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + const struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); + unsigned int digestsize = crypto_shash_digestsize(desc->tfm); + + blake2b(tctx->key, tctx->keylen, data, len, out, digestsize); + return 0; +} + +#define BLAKE2B_ALG(name, digest_size) \ + { \ + .base.cra_name = name, \ + .base.cra_driver_name = name "-lib", \ + .base.cra_priority = 300, \ + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ + .base.cra_blocksize = BLAKE2B_BLOCK_SIZE, \ + .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), \ + .base.cra_module = THIS_MODULE, \ + .digestsize = digest_size, \ + .setkey = crypto_blake2b_setkey, \ + .init = crypto_blake2b_init, \ + .update = crypto_blake2b_update, \ + .final = crypto_blake2b_final, \ + .digest = crypto_blake2b_digest, \ + .descsize = sizeof(struct blake2b_ctx), \ + } + +static struct shash_alg algs[] = { + BLAKE2B_ALG("blake2b-160", BLAKE2B_160_HASH_SIZE), + BLAKE2B_ALG("blake2b-256", BLAKE2B_256_HASH_SIZE), + BLAKE2B_ALG("blake2b-384", BLAKE2B_384_HASH_SIZE), + BLAKE2B_ALG("blake2b-512", BLAKE2B_512_HASH_SIZE), +}; + +static int __init crypto_blake2b_mod_init(void) +{ + return crypto_register_shashes(algs, ARRAY_SIZE(algs)); +} +module_init(crypto_blake2b_mod_init); + +static void __exit crypto_blake2b_mod_exit(void) +{ + crypto_unregister_shashes(algs, ARRAY_SIZE(algs)); +} +module_exit(crypto_blake2b_mod_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Crypto API support for BLAKE2b"); + +MODULE_ALIAS_CRYPTO("blake2b-160"); +MODULE_ALIAS_CRYPTO("blake2b-160-lib"); +MODULE_ALIAS_CRYPTO("blake2b-256"); +MODULE_ALIAS_CRYPTO("blake2b-256-lib"); +MODULE_ALIAS_CRYPTO("blake2b-384"); +MODULE_ALIAS_CRYPTO("blake2b-384-lib"); +MODULE_ALIAS_CRYPTO("blake2b-512"); +MODULE_ALIAS_CRYPTO("blake2b-512-lib"); diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c deleted file mode 100644 index 6704c0355889..000000000000 --- a/crypto/blake2b_generic.c +++ /dev/null @@ -1,187 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0-only OR Apache-2.0) -/* - * Generic implementation of the BLAKE2b digest algorithm. Based on the BLAKE2b - * reference implementation, but it has been heavily modified for use in the - * kernel. The reference implementation was: - * - * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under - * the terms of the CC0, the OpenSSL Licence, or the Apache Public License - * 2.0, at your option. The terms of these licenses can be found at: - * - * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 - * - OpenSSL license : https://www.openssl.org/source/license.html - * - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0 - * - * More information about BLAKE2 can be found at https://blake2.net. - */ - -#include <asm/unaligned.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/bitops.h> -#include <crypto/internal/blake2b.h> -#include <crypto/internal/hash.h> - -static const u8 blake2b_sigma[12][16] = { - { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, - { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }, - { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 }, - { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 }, - { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 }, - { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 }, - { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 }, - { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 }, - { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 }, - { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 }, - { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, - { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } -}; - -static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc) -{ - S->t[0] += inc; - S->t[1] += (S->t[0] < inc); -} - -#define G(r,i,a,b,c,d) \ - do { \ - a = a + b + m[blake2b_sigma[r][2*i+0]]; \ - d = ror64(d ^ a, 32); \ - c = c + d; \ - b = ror64(b ^ c, 24); \ - a = a + b + m[blake2b_sigma[r][2*i+1]]; \ - d = ror64(d ^ a, 16); \ - c = c + d; \ - b = ror64(b ^ c, 63); \ - } while (0) - -#define ROUND(r) \ - do { \ - G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \ - G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \ - G(r,2,v[ 2],v[ 6],v[10],v[14]); \ - G(r,3,v[ 3],v[ 7],v[11],v[15]); \ - G(r,4,v[ 0],v[ 5],v[10],v[15]); \ - G(r,5,v[ 1],v[ 6],v[11],v[12]); \ - G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \ - G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \ - } while (0) - -static void blake2b_compress_one_generic(struct blake2b_state *S, - const u8 block[BLAKE2B_BLOCK_SIZE]) -{ - u64 m[16]; - u64 v[16]; - size_t i; - - for (i = 0; i < 16; ++i) - m[i] = get_unaligned_le64(block + i * sizeof(m[i])); - - for (i = 0; i < 8; ++i) - v[i] = S->h[i]; - - v[ 8] = BLAKE2B_IV0; - v[ 9] = BLAKE2B_IV1; - v[10] = BLAKE2B_IV2; - v[11] = BLAKE2B_IV3; - v[12] = BLAKE2B_IV4 ^ S->t[0]; - v[13] = BLAKE2B_IV5 ^ S->t[1]; - v[14] = BLAKE2B_IV6 ^ S->f[0]; - v[15] = BLAKE2B_IV7 ^ S->f[1]; - - ROUND(0); - ROUND(1); - ROUND(2); - ROUND(3); - ROUND(4); - ROUND(5); - ROUND(6); - ROUND(7); - ROUND(8); - ROUND(9); - ROUND(10); - ROUND(11); -#ifdef CONFIG_CC_IS_CLANG -#pragma nounroll /* https://bugs.llvm.org/show_bug.cgi?id=45803 */ -#endif - for (i = 0; i < 8; ++i) - S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; -} - -#undef G -#undef ROUND - -void blake2b_compress_generic(struct blake2b_state *state, - const u8 *block, size_t nblocks, u32 inc) -{ - do { - blake2b_increment_counter(state, inc); - blake2b_compress_one_generic(state, block); - block += BLAKE2B_BLOCK_SIZE; - } while (--nblocks); -} -EXPORT_SYMBOL(blake2b_compress_generic); - -static int crypto_blake2b_update_generic(struct shash_desc *desc, - const u8 *in, unsigned int inlen) -{ - return crypto_blake2b_update(desc, in, inlen, blake2b_compress_generic); -} - -static int crypto_blake2b_final_generic(struct shash_desc *desc, u8 *out) -{ - return crypto_blake2b_final(desc, out, blake2b_compress_generic); -} - -#define BLAKE2B_ALG(name, driver_name, digest_size) \ - { \ - .base.cra_name = name, \ - .base.cra_driver_name = driver_name, \ - .base.cra_priority = 100, \ - .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ - .base.cra_blocksize = BLAKE2B_BLOCK_SIZE, \ - .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), \ - .base.cra_module = THIS_MODULE, \ - .digestsize = digest_size, \ - .setkey = crypto_blake2b_setkey, \ - .init = crypto_blake2b_init, \ - .update = crypto_blake2b_update_generic, \ - .final = crypto_blake2b_final_generic, \ - .descsize = sizeof(struct blake2b_state), \ - } - -static struct shash_alg blake2b_algs[] = { - BLAKE2B_ALG("blake2b-160", "blake2b-160-generic", - BLAKE2B_160_HASH_SIZE), - BLAKE2B_ALG("blake2b-256", "blake2b-256-generic", - BLAKE2B_256_HASH_SIZE), - BLAKE2B_ALG("blake2b-384", "blake2b-384-generic", - BLAKE2B_384_HASH_SIZE), - BLAKE2B_ALG("blake2b-512", "blake2b-512-generic", - BLAKE2B_512_HASH_SIZE), -}; - -static int __init blake2b_mod_init(void) -{ - return crypto_register_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs)); -} - -static void __exit blake2b_mod_fini(void) -{ - crypto_unregister_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs)); -} - -subsys_initcall(blake2b_mod_init); -module_exit(blake2b_mod_fini); - -MODULE_AUTHOR("David Sterba <kdave@kernel.org>"); -MODULE_DESCRIPTION("BLAKE2b generic implementation"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS_CRYPTO("blake2b-160"); -MODULE_ALIAS_CRYPTO("blake2b-160-generic"); -MODULE_ALIAS_CRYPTO("blake2b-256"); -MODULE_ALIAS_CRYPTO("blake2b-256-generic"); -MODULE_ALIAS_CRYPTO("blake2b-384"); -MODULE_ALIAS_CRYPTO("blake2b-384-generic"); -MODULE_ALIAS_CRYPTO("blake2b-512"); -MODULE_ALIAS_CRYPTO("blake2b-512-generic"); diff --git a/crypto/blowfish_generic.c b/crypto/blowfish_generic.c index 0e74c7242e77..f3c5f9b09850 100644 --- a/crypto/blowfish_generic.c +++ b/crypto/blowfish_generic.c @@ -16,7 +16,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/mm.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/types.h> #include <crypto/blowfish.h> @@ -124,7 +124,7 @@ static void __exit blowfish_mod_fini(void) crypto_unregister_alg(&alg); } -subsys_initcall(blowfish_mod_init); +module_init(blowfish_mod_init); module_exit(blowfish_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/bpf_crypto_skcipher.c b/crypto/bpf_crypto_skcipher.c new file mode 100644 index 000000000000..a88798d3e8c8 --- /dev/null +++ b/crypto/bpf_crypto_skcipher.c @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright (c) 2024 Meta, Inc */ +#include <linux/types.h> +#include <linux/module.h> +#include <linux/bpf_crypto.h> +#include <crypto/skcipher.h> + +static void *bpf_crypto_lskcipher_alloc_tfm(const char *algo) +{ + return crypto_alloc_lskcipher(algo, 0, 0); +} + +static void bpf_crypto_lskcipher_free_tfm(void *tfm) +{ + crypto_free_lskcipher(tfm); +} + +static int bpf_crypto_lskcipher_has_algo(const char *algo) +{ + return crypto_has_skcipher(algo, CRYPTO_ALG_TYPE_LSKCIPHER, CRYPTO_ALG_TYPE_MASK); +} + +static int bpf_crypto_lskcipher_setkey(void *tfm, const u8 *key, unsigned int keylen) +{ + return crypto_lskcipher_setkey(tfm, key, keylen); +} + +static u32 bpf_crypto_lskcipher_get_flags(void *tfm) +{ + return crypto_lskcipher_get_flags(tfm); +} + +static unsigned int bpf_crypto_lskcipher_ivsize(void *tfm) +{ + return crypto_lskcipher_ivsize(tfm); +} + +static unsigned int bpf_crypto_lskcipher_statesize(void *tfm) +{ + return crypto_lskcipher_statesize(tfm); +} + +static int bpf_crypto_lskcipher_encrypt(void *tfm, const u8 *src, u8 *dst, + unsigned int len, u8 *siv) +{ + return crypto_lskcipher_encrypt(tfm, src, dst, len, siv); +} + +static int bpf_crypto_lskcipher_decrypt(void *tfm, const u8 *src, u8 *dst, + unsigned int len, u8 *siv) +{ + return crypto_lskcipher_decrypt(tfm, src, dst, len, siv); +} + +static const struct bpf_crypto_type bpf_crypto_lskcipher_type = { + .alloc_tfm = bpf_crypto_lskcipher_alloc_tfm, + .free_tfm = bpf_crypto_lskcipher_free_tfm, + .has_algo = bpf_crypto_lskcipher_has_algo, + .setkey = bpf_crypto_lskcipher_setkey, + .encrypt = bpf_crypto_lskcipher_encrypt, + .decrypt = bpf_crypto_lskcipher_decrypt, + .ivsize = bpf_crypto_lskcipher_ivsize, + .statesize = bpf_crypto_lskcipher_statesize, + .get_flags = bpf_crypto_lskcipher_get_flags, + .owner = THIS_MODULE, + .name = "skcipher", +}; + +static int __init bpf_crypto_skcipher_init(void) +{ + return bpf_crypto_register_type(&bpf_crypto_lskcipher_type); +} + +static void __exit bpf_crypto_skcipher_exit(void) +{ + int err = bpf_crypto_unregister_type(&bpf_crypto_lskcipher_type); + WARN_ON_ONCE(err); +} + +module_init(bpf_crypto_skcipher_init); +module_exit(bpf_crypto_skcipher_exit); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Symmetric key cipher support for BPF"); diff --git a/crypto/camellia_generic.c b/crypto/camellia_generic.c index c04670cf51ac..ee4336a04b93 100644 --- a/crypto/camellia_generic.c +++ b/crypto/camellia_generic.c @@ -15,7 +15,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/bitops.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> static const u32 camellia_sp1110[256] = { 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, @@ -1064,7 +1064,7 @@ static void __exit camellia_fini(void) crypto_unregister_alg(&camellia_alg); } -subsys_initcall(camellia_init); +module_init(camellia_init); module_exit(camellia_fini); MODULE_DESCRIPTION("Camellia Cipher Algorithm"); diff --git a/crypto/cast5_generic.c b/crypto/cast5_generic.c index 085a1eedae03..f68330793e0c 100644 --- a/crypto/cast5_generic.c +++ b/crypto/cast5_generic.c @@ -13,7 +13,7 @@ */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <crypto/algapi.h> #include <linux/init.h> #include <linux/module.h> @@ -531,7 +531,7 @@ static void __exit cast5_mod_fini(void) crypto_unregister_alg(&alg); } -subsys_initcall(cast5_mod_init); +module_init(cast5_mod_init); module_exit(cast5_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/cast6_generic.c b/crypto/cast6_generic.c index 34f1ab53e3a7..4c08c42646f0 100644 --- a/crypto/cast6_generic.c +++ b/crypto/cast6_generic.c @@ -10,7 +10,7 @@ */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <crypto/algapi.h> #include <linux/init.h> #include <linux/module.h> @@ -271,7 +271,7 @@ static void __exit cast6_mod_fini(void) crypto_unregister_alg(&alg); } -subsys_initcall(cast6_mod_init); +module_init(cast6_mod_init); module_exit(cast6_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/cast_common.c b/crypto/cast_common.c index 9b2f60fd4cef..fec1f6609a40 100644 --- a/crypto/cast_common.c +++ b/crypto/cast_common.c @@ -282,4 +282,5 @@ __visible const u32 cast_s4[256] = { }; EXPORT_SYMBOL_GPL(cast_s4); +MODULE_DESCRIPTION("Common lookup tables for CAST-128 (cast5) and CAST-256 (cast6)"); MODULE_LICENSE("GPL"); diff --git a/crypto/cbc.c b/crypto/cbc.c index 6c03e96b945f..ed3df6246765 100644 --- a/crypto/cbc.c +++ b/crypto/cbc.c @@ -5,8 +5,6 @@ * Copyright (c) 2006-2016 Herbert Xu <herbert@gondor.apana.org.au> */ -#include <crypto/algapi.h> -#include <crypto/internal/cipher.h> #include <crypto/internal/skcipher.h> #include <linux/err.h> #include <linux/init.h> @@ -14,99 +12,72 @@ #include <linux/log2.h> #include <linux/module.h> -static int crypto_cbc_encrypt_segment(struct skcipher_walk *walk, - struct crypto_skcipher *skcipher) +static int crypto_cbc_encrypt_segment(struct crypto_lskcipher *tfm, + const u8 *src, u8 *dst, unsigned nbytes, + u8 *iv) { - unsigned int bsize = crypto_skcipher_blocksize(skcipher); - void (*fn)(struct crypto_tfm *, u8 *, const u8 *); - unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; - u8 *dst = walk->dst.virt.addr; - struct crypto_cipher *cipher; - struct crypto_tfm *tfm; - u8 *iv = walk->iv; - - cipher = skcipher_cipher_simple(skcipher); - tfm = crypto_cipher_tfm(cipher); - fn = crypto_cipher_alg(cipher)->cia_encrypt; + unsigned int bsize = crypto_lskcipher_blocksize(tfm); - do { + for (; nbytes >= bsize; src += bsize, dst += bsize, nbytes -= bsize) { crypto_xor(iv, src, bsize); - fn(tfm, dst, iv); + crypto_lskcipher_encrypt(tfm, iv, dst, bsize, NULL); memcpy(iv, dst, bsize); - - src += bsize; - dst += bsize; - } while ((nbytes -= bsize) >= bsize); + } return nbytes; } -static int crypto_cbc_encrypt_inplace(struct skcipher_walk *walk, - struct crypto_skcipher *skcipher) +static int crypto_cbc_encrypt_inplace(struct crypto_lskcipher *tfm, + u8 *src, unsigned nbytes, u8 *oiv) { - unsigned int bsize = crypto_skcipher_blocksize(skcipher); - void (*fn)(struct crypto_tfm *, u8 *, const u8 *); - unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; - struct crypto_cipher *cipher; - struct crypto_tfm *tfm; - u8 *iv = walk->iv; - - cipher = skcipher_cipher_simple(skcipher); - tfm = crypto_cipher_tfm(cipher); - fn = crypto_cipher_alg(cipher)->cia_encrypt; + unsigned int bsize = crypto_lskcipher_blocksize(tfm); + u8 *iv = oiv; + + if (nbytes < bsize) + goto out; do { crypto_xor(src, iv, bsize); - fn(tfm, src, src); + crypto_lskcipher_encrypt(tfm, src, src, bsize, NULL); iv = src; src += bsize; } while ((nbytes -= bsize) >= bsize); - memcpy(walk->iv, iv, bsize); + memcpy(oiv, iv, bsize); +out: return nbytes; } -static int crypto_cbc_encrypt(struct skcipher_request *req) +static int crypto_cbc_encrypt(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned len, u8 *iv, u32 flags) { - struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); - struct skcipher_walk walk; - int err; + struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm); + bool final = flags & CRYPTO_LSKCIPHER_FLAG_FINAL; + struct crypto_lskcipher *cipher = *ctx; + int rem; - err = skcipher_walk_virt(&walk, req, false); - - while (walk.nbytes) { - if (walk.src.virt.addr == walk.dst.virt.addr) - err = crypto_cbc_encrypt_inplace(&walk, skcipher); - else - err = crypto_cbc_encrypt_segment(&walk, skcipher); - err = skcipher_walk_done(&walk, err); - } + if (src == dst) + rem = crypto_cbc_encrypt_inplace(cipher, dst, len, iv); + else + rem = crypto_cbc_encrypt_segment(cipher, src, dst, len, iv); - return err; + return rem && final ? -EINVAL : rem; } -static int crypto_cbc_decrypt_segment(struct skcipher_walk *walk, - struct crypto_skcipher *skcipher) +static int crypto_cbc_decrypt_segment(struct crypto_lskcipher *tfm, + const u8 *src, u8 *dst, unsigned nbytes, + u8 *oiv) { - unsigned int bsize = crypto_skcipher_blocksize(skcipher); - void (*fn)(struct crypto_tfm *, u8 *, const u8 *); - unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; - u8 *dst = walk->dst.virt.addr; - struct crypto_cipher *cipher; - struct crypto_tfm *tfm; - u8 *iv = walk->iv; - - cipher = skcipher_cipher_simple(skcipher); - tfm = crypto_cipher_tfm(cipher); - fn = crypto_cipher_alg(cipher)->cia_decrypt; + unsigned int bsize = crypto_lskcipher_blocksize(tfm); + const u8 *iv = oiv; + + if (nbytes < bsize) + goto out; do { - fn(tfm, dst, src); + crypto_lskcipher_decrypt(tfm, src, dst, bsize, NULL); crypto_xor(dst, iv, bsize); iv = src; @@ -114,83 +85,76 @@ static int crypto_cbc_decrypt_segment(struct skcipher_walk *walk, dst += bsize; } while ((nbytes -= bsize) >= bsize); - memcpy(walk->iv, iv, bsize); + memcpy(oiv, iv, bsize); +out: return nbytes; } -static int crypto_cbc_decrypt_inplace(struct skcipher_walk *walk, - struct crypto_skcipher *skcipher) +static int crypto_cbc_decrypt_inplace(struct crypto_lskcipher *tfm, + u8 *src, unsigned nbytes, u8 *iv) { - unsigned int bsize = crypto_skcipher_blocksize(skcipher); - void (*fn)(struct crypto_tfm *, u8 *, const u8 *); - unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; + unsigned int bsize = crypto_lskcipher_blocksize(tfm); u8 last_iv[MAX_CIPHER_BLOCKSIZE]; - struct crypto_cipher *cipher; - struct crypto_tfm *tfm; - cipher = skcipher_cipher_simple(skcipher); - tfm = crypto_cipher_tfm(cipher); - fn = crypto_cipher_alg(cipher)->cia_decrypt; + if (nbytes < bsize) + goto out; /* Start of the last block. */ src += nbytes - (nbytes & (bsize - 1)) - bsize; memcpy(last_iv, src, bsize); for (;;) { - fn(tfm, src, src); + crypto_lskcipher_decrypt(tfm, src, src, bsize, NULL); if ((nbytes -= bsize) < bsize) break; crypto_xor(src, src - bsize, bsize); src -= bsize; } - crypto_xor(src, walk->iv, bsize); - memcpy(walk->iv, last_iv, bsize); + crypto_xor(src, iv, bsize); + memcpy(iv, last_iv, bsize); +out: return nbytes; } -static int crypto_cbc_decrypt(struct skcipher_request *req) +static int crypto_cbc_decrypt(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned len, u8 *iv, u32 flags) { - struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); - struct skcipher_walk walk; - int err; + struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm); + bool final = flags & CRYPTO_LSKCIPHER_FLAG_FINAL; + struct crypto_lskcipher *cipher = *ctx; + int rem; - err = skcipher_walk_virt(&walk, req, false); - - while (walk.nbytes) { - if (walk.src.virt.addr == walk.dst.virt.addr) - err = crypto_cbc_decrypt_inplace(&walk, skcipher); - else - err = crypto_cbc_decrypt_segment(&walk, skcipher); - err = skcipher_walk_done(&walk, err); - } + if (src == dst) + rem = crypto_cbc_decrypt_inplace(cipher, dst, len, iv); + else + rem = crypto_cbc_decrypt_segment(cipher, src, dst, len, iv); - return err; + return rem && final ? -EINVAL : rem; } static int crypto_cbc_create(struct crypto_template *tmpl, struct rtattr **tb) { - struct skcipher_instance *inst; - struct crypto_alg *alg; + struct lskcipher_instance *inst; int err; - inst = skcipher_alloc_instance_simple(tmpl, tb); + inst = lskcipher_alloc_instance_simple(tmpl, tb); if (IS_ERR(inst)) return PTR_ERR(inst); - alg = skcipher_ialg_simple(inst); - err = -EINVAL; - if (!is_power_of_2(alg->cra_blocksize)) + if (!is_power_of_2(inst->alg.co.base.cra_blocksize)) + goto out_free_inst; + + if (inst->alg.co.statesize) goto out_free_inst; inst->alg.encrypt = crypto_cbc_encrypt; inst->alg.decrypt = crypto_cbc_decrypt; - err = skcipher_register_instance(tmpl, inst); + err = lskcipher_register_instance(tmpl, inst); if (err) { out_free_inst: inst->free(inst); @@ -215,7 +179,7 @@ static void __exit crypto_cbc_module_exit(void) crypto_unregister_template(&crypto_cbc_tmpl); } -subsys_initcall(crypto_cbc_module_init); +module_init(crypto_cbc_module_init); module_exit(crypto_cbc_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/ccm.c b/crypto/ccm.c index a9453129c51c..2ae929ffdef8 100644 --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -10,11 +10,12 @@ #include <crypto/internal/hash.h> #include <crypto/internal/skcipher.h> #include <crypto/scatterwalk.h> +#include <crypto/utils.h> #include <linux/err.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/string.h> struct ccm_instance_ctx { struct crypto_skcipher_spawn ctr; @@ -54,10 +55,6 @@ struct cbcmac_tfm_ctx { struct crypto_cipher *child; }; -struct cbcmac_desc_ctx { - unsigned int len; -}; - static inline struct crypto_ccm_req_priv_ctx *crypto_ccm_reqctx( struct aead_request *req) { @@ -447,10 +444,10 @@ static int crypto_ccm_create_common(struct crypto_template *tmpl, const char *ctr_name, const char *mac_name) { + struct skcipher_alg_common *ctr; u32 mask; struct aead_instance *inst; struct ccm_instance_ctx *ictx; - struct skcipher_alg *ctr; struct hash_alg_common *mac; int err; @@ -478,13 +475,12 @@ static int crypto_ccm_create_common(struct crypto_template *tmpl, ctr_name, 0, mask); if (err) goto err_free_inst; - ctr = crypto_spawn_skcipher_alg(&ictx->ctr); + ctr = crypto_spawn_skcipher_alg_common(&ictx->ctr); /* The skcipher algorithm must be CTR mode, using 16-byte blocks. */ err = -EINVAL; if (strncmp(ctr->base.cra_name, "ctr(", 4) != 0 || - crypto_skcipher_alg_ivsize(ctr) != 16 || - ctr->base.cra_blocksize != 1) + ctr->ivsize != 16 || ctr->base.cra_blocksize != 1) goto err_free_inst; /* ctr and cbcmac must use the same underlying block cipher. */ @@ -504,10 +500,9 @@ static int crypto_ccm_create_common(struct crypto_template *tmpl, inst->alg.base.cra_priority = (mac->base.cra_priority + ctr->base.cra_priority) / 2; inst->alg.base.cra_blocksize = 1; - inst->alg.base.cra_alignmask = mac->base.cra_alignmask | - ctr->base.cra_alignmask; + inst->alg.base.cra_alignmask = ctr->base.cra_alignmask; inst->alg.ivsize = 16; - inst->alg.chunksize = crypto_skcipher_alg_chunksize(ctr); + inst->alg.chunksize = ctr->chunksize; inst->alg.maxauthsize = 16; inst->alg.base.cra_ctxsize = sizeof(struct crypto_ccm_ctx); inst->alg.init = crypto_ccm_init_tfm; @@ -784,13 +779,10 @@ static int crypto_cbcmac_digest_setkey(struct crypto_shash *parent, static int crypto_cbcmac_digest_init(struct shash_desc *pdesc) { - struct cbcmac_desc_ctx *ctx = shash_desc_ctx(pdesc); int bs = crypto_shash_digestsize(pdesc->tfm); - u8 *dg = (u8 *)ctx + crypto_shash_descsize(pdesc->tfm) - bs; + u8 *dg = shash_desc_ctx(pdesc); - ctx->len = 0; memset(dg, 0, bs); - return 0; } @@ -799,40 +791,33 @@ static int crypto_cbcmac_digest_update(struct shash_desc *pdesc, const u8 *p, { struct crypto_shash *parent = pdesc->tfm; struct cbcmac_tfm_ctx *tctx = crypto_shash_ctx(parent); - struct cbcmac_desc_ctx *ctx = shash_desc_ctx(pdesc); struct crypto_cipher *tfm = tctx->child; int bs = crypto_shash_digestsize(parent); - u8 *dg = (u8 *)ctx + crypto_shash_descsize(parent) - bs; - - while (len > 0) { - unsigned int l = min(len, bs - ctx->len); - - crypto_xor(dg + ctx->len, p, l); - ctx->len +=l; - len -= l; - p += l; - - if (ctx->len == bs) { - crypto_cipher_encrypt_one(tfm, dg, dg); - ctx->len = 0; - } - } + u8 *dg = shash_desc_ctx(pdesc); - return 0; + do { + crypto_xor(dg, p, bs); + crypto_cipher_encrypt_one(tfm, dg, dg); + p += bs; + len -= bs; + } while (len >= bs); + return len; } -static int crypto_cbcmac_digest_final(struct shash_desc *pdesc, u8 *out) +static int crypto_cbcmac_digest_finup(struct shash_desc *pdesc, const u8 *src, + unsigned int len, u8 *out) { struct crypto_shash *parent = pdesc->tfm; struct cbcmac_tfm_ctx *tctx = crypto_shash_ctx(parent); - struct cbcmac_desc_ctx *ctx = shash_desc_ctx(pdesc); struct crypto_cipher *tfm = tctx->child; int bs = crypto_shash_digestsize(parent); - u8 *dg = (u8 *)ctx + crypto_shash_descsize(parent) - bs; - - if (ctx->len) - crypto_cipher_encrypt_one(tfm, dg, dg); + u8 *dg = shash_desc_ctx(pdesc); + if (len) { + crypto_xor(dg, src, len); + crypto_cipher_encrypt_one(tfm, out, dg); + return 0; + } memcpy(out, dg, bs); return 0; } @@ -887,20 +872,19 @@ static int cbcmac_create(struct crypto_template *tmpl, struct rtattr **tb) goto err_free_inst; inst->alg.base.cra_priority = alg->cra_priority; - inst->alg.base.cra_blocksize = 1; + inst->alg.base.cra_blocksize = alg->cra_blocksize; inst->alg.digestsize = alg->cra_blocksize; - inst->alg.descsize = ALIGN(sizeof(struct cbcmac_desc_ctx), - alg->cra_alignmask + 1) + - alg->cra_blocksize; + inst->alg.descsize = alg->cra_blocksize; + inst->alg.base.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY; inst->alg.base.cra_ctxsize = sizeof(struct cbcmac_tfm_ctx); inst->alg.base.cra_init = cbcmac_init_tfm; inst->alg.base.cra_exit = cbcmac_exit_tfm; inst->alg.init = crypto_cbcmac_digest_init; inst->alg.update = crypto_cbcmac_digest_update; - inst->alg.final = crypto_cbcmac_digest_final; + inst->alg.finup = crypto_cbcmac_digest_finup; inst->alg.setkey = crypto_cbcmac_digest_setkey; inst->free = shash_free_singlespawn_instance; @@ -945,7 +929,7 @@ static void __exit crypto_ccm_module_exit(void) ARRAY_SIZE(crypto_ccm_tmpls)); } -subsys_initcall(crypto_ccm_module_init); +module_init(crypto_ccm_module_init); module_exit(crypto_ccm_module_exit); MODULE_LICENSE("GPL"); @@ -954,4 +938,4 @@ MODULE_ALIAS_CRYPTO("ccm_base"); MODULE_ALIAS_CRYPTO("rfc4309"); MODULE_ALIAS_CRYPTO("ccm"); MODULE_ALIAS_CRYPTO("cbcmac"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/cfb.c b/crypto/cfb.c deleted file mode 100644 index 5c36b7b65e2a..000000000000 --- a/crypto/cfb.c +++ /dev/null @@ -1,254 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * CFB: Cipher FeedBack mode - * - * Copyright (c) 2018 James.Bottomley@HansenPartnership.com - * - * CFB is a stream cipher mode which is layered on to a block - * encryption scheme. It works very much like a one time pad where - * the pad is generated initially from the encrypted IV and then - * subsequently from the encrypted previous block of ciphertext. The - * pad is XOR'd into the plain text to get the final ciphertext. - * - * The scheme of CFB is best described by wikipedia: - * - * https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#CFB - * - * Note that since the pad for both encryption and decryption is - * generated by an encryption operation, CFB never uses the block - * decryption function. - */ - -#include <crypto/algapi.h> -#include <crypto/internal/cipher.h> -#include <crypto/internal/skcipher.h> -#include <linux/err.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> - -static unsigned int crypto_cfb_bsize(struct crypto_skcipher *tfm) -{ - return crypto_cipher_blocksize(skcipher_cipher_simple(tfm)); -} - -static void crypto_cfb_encrypt_one(struct crypto_skcipher *tfm, - const u8 *src, u8 *dst) -{ - crypto_cipher_encrypt_one(skcipher_cipher_simple(tfm), dst, src); -} - -/* final encrypt and decrypt is the same */ -static void crypto_cfb_final(struct skcipher_walk *walk, - struct crypto_skcipher *tfm) -{ - const unsigned long alignmask = crypto_skcipher_alignmask(tfm); - u8 tmp[MAX_CIPHER_BLOCKSIZE + MAX_CIPHER_ALIGNMASK]; - u8 *stream = PTR_ALIGN(tmp + 0, alignmask + 1); - u8 *src = walk->src.virt.addr; - u8 *dst = walk->dst.virt.addr; - u8 *iv = walk->iv; - unsigned int nbytes = walk->nbytes; - - crypto_cfb_encrypt_one(tfm, iv, stream); - crypto_xor_cpy(dst, stream, src, nbytes); -} - -static int crypto_cfb_encrypt_segment(struct skcipher_walk *walk, - struct crypto_skcipher *tfm) -{ - const unsigned int bsize = crypto_cfb_bsize(tfm); - unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; - u8 *dst = walk->dst.virt.addr; - u8 *iv = walk->iv; - - do { - crypto_cfb_encrypt_one(tfm, iv, dst); - crypto_xor(dst, src, bsize); - iv = dst; - - src += bsize; - dst += bsize; - } while ((nbytes -= bsize) >= bsize); - - memcpy(walk->iv, iv, bsize); - - return nbytes; -} - -static int crypto_cfb_encrypt_inplace(struct skcipher_walk *walk, - struct crypto_skcipher *tfm) -{ - const unsigned int bsize = crypto_cfb_bsize(tfm); - unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; - u8 *iv = walk->iv; - u8 tmp[MAX_CIPHER_BLOCKSIZE]; - - do { - crypto_cfb_encrypt_one(tfm, iv, tmp); - crypto_xor(src, tmp, bsize); - iv = src; - - src += bsize; - } while ((nbytes -= bsize) >= bsize); - - memcpy(walk->iv, iv, bsize); - - return nbytes; -} - -static int crypto_cfb_encrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct skcipher_walk walk; - unsigned int bsize = crypto_cfb_bsize(tfm); - int err; - - err = skcipher_walk_virt(&walk, req, false); - - while (walk.nbytes >= bsize) { - if (walk.src.virt.addr == walk.dst.virt.addr) - err = crypto_cfb_encrypt_inplace(&walk, tfm); - else - err = crypto_cfb_encrypt_segment(&walk, tfm); - err = skcipher_walk_done(&walk, err); - } - - if (walk.nbytes) { - crypto_cfb_final(&walk, tfm); - err = skcipher_walk_done(&walk, 0); - } - - return err; -} - -static int crypto_cfb_decrypt_segment(struct skcipher_walk *walk, - struct crypto_skcipher *tfm) -{ - const unsigned int bsize = crypto_cfb_bsize(tfm); - unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; - u8 *dst = walk->dst.virt.addr; - u8 *iv = walk->iv; - - do { - crypto_cfb_encrypt_one(tfm, iv, dst); - crypto_xor(dst, src, bsize); - iv = src; - - src += bsize; - dst += bsize; - } while ((nbytes -= bsize) >= bsize); - - memcpy(walk->iv, iv, bsize); - - return nbytes; -} - -static int crypto_cfb_decrypt_inplace(struct skcipher_walk *walk, - struct crypto_skcipher *tfm) -{ - const unsigned int bsize = crypto_cfb_bsize(tfm); - unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; - u8 * const iv = walk->iv; - u8 tmp[MAX_CIPHER_BLOCKSIZE]; - - do { - crypto_cfb_encrypt_one(tfm, iv, tmp); - memcpy(iv, src, bsize); - crypto_xor(src, tmp, bsize); - src += bsize; - } while ((nbytes -= bsize) >= bsize); - - return nbytes; -} - -static int crypto_cfb_decrypt_blocks(struct skcipher_walk *walk, - struct crypto_skcipher *tfm) -{ - if (walk->src.virt.addr == walk->dst.virt.addr) - return crypto_cfb_decrypt_inplace(walk, tfm); - else - return crypto_cfb_decrypt_segment(walk, tfm); -} - -static int crypto_cfb_decrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct skcipher_walk walk; - const unsigned int bsize = crypto_cfb_bsize(tfm); - int err; - - err = skcipher_walk_virt(&walk, req, false); - - while (walk.nbytes >= bsize) { - err = crypto_cfb_decrypt_blocks(&walk, tfm); - err = skcipher_walk_done(&walk, err); - } - - if (walk.nbytes) { - crypto_cfb_final(&walk, tfm); - err = skcipher_walk_done(&walk, 0); - } - - return err; -} - -static int crypto_cfb_create(struct crypto_template *tmpl, struct rtattr **tb) -{ - struct skcipher_instance *inst; - struct crypto_alg *alg; - int err; - - inst = skcipher_alloc_instance_simple(tmpl, tb); - if (IS_ERR(inst)) - return PTR_ERR(inst); - - alg = skcipher_ialg_simple(inst); - - /* CFB mode is a stream cipher. */ - inst->alg.base.cra_blocksize = 1; - - /* - * To simplify the implementation, configure the skcipher walk to only - * give a partial block at the very end, never earlier. - */ - inst->alg.chunksize = alg->cra_blocksize; - - inst->alg.encrypt = crypto_cfb_encrypt; - inst->alg.decrypt = crypto_cfb_decrypt; - - err = skcipher_register_instance(tmpl, inst); - if (err) - inst->free(inst); - - return err; -} - -static struct crypto_template crypto_cfb_tmpl = { - .name = "cfb", - .create = crypto_cfb_create, - .module = THIS_MODULE, -}; - -static int __init crypto_cfb_module_init(void) -{ - return crypto_register_template(&crypto_cfb_tmpl); -} - -static void __exit crypto_cfb_module_exit(void) -{ - crypto_unregister_template(&crypto_cfb_tmpl); -} - -subsys_initcall(crypto_cfb_module_init); -module_exit(crypto_cfb_module_exit); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("CFB block cipher mode of operation"); -MODULE_ALIAS_CRYPTO("cfb"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); diff --git a/crypto/chacha_generic.c b/crypto/chacha.c index 8beea79ab117..ec16d5a33f3c 100644 --- a/crypto/chacha_generic.c +++ b/crypto/chacha.c @@ -1,27 +1,61 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * ChaCha and XChaCha stream ciphers, including ChaCha20 (RFC7539) + * Crypto API wrappers for the ChaCha20, XChaCha20, and XChaCha12 stream ciphers * * Copyright (C) 2015 Martin Willi * Copyright (C) 2018 Google LLC */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <crypto/algapi.h> -#include <crypto/internal/chacha.h> +#include <crypto/chacha.h> #include <crypto/internal/skcipher.h> #include <linux/module.h> +struct chacha_ctx { + u32 key[8]; + int nrounds; +}; + +static int chacha_setkey(struct crypto_skcipher *tfm, + const u8 *key, unsigned int keysize, int nrounds) +{ + struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm); + int i; + + if (keysize != CHACHA_KEY_SIZE) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(ctx->key); i++) + ctx->key[i] = get_unaligned_le32(key + i * sizeof(u32)); + + ctx->nrounds = nrounds; + return 0; +} + +static int chacha20_setkey(struct crypto_skcipher *tfm, + const u8 *key, unsigned int keysize) +{ + return chacha_setkey(tfm, key, keysize, 20); +} + +static int chacha12_setkey(struct crypto_skcipher *tfm, + const u8 *key, unsigned int keysize) +{ + return chacha_setkey(tfm, key, keysize, 12); +} + static int chacha_stream_xor(struct skcipher_request *req, - const struct chacha_ctx *ctx, const u8 *iv) + const struct chacha_ctx *ctx, + const u8 iv[CHACHA_IV_SIZE]) { struct skcipher_walk walk; - u32 state[16]; + struct chacha_state state; int err; err = skcipher_walk_virt(&walk, req, false); - chacha_init_generic(state, ctx->key, iv); + chacha_init(&state, ctx->key, iv); while (walk.nbytes > 0) { unsigned int nbytes = walk.nbytes; @@ -29,8 +63,8 @@ static int chacha_stream_xor(struct skcipher_request *req, if (nbytes < walk.total) nbytes = round_down(nbytes, CHACHA_BLOCK_SIZE); - chacha_crypt_generic(state, walk.dst.virt.addr, - walk.src.virt.addr, nbytes, ctx->nrounds); + chacha_crypt(&state, walk.dst.virt.addr, walk.src.virt.addr, + nbytes, ctx->nrounds); err = skcipher_walk_done(&walk, walk.nbytes - nbytes); } @@ -40,7 +74,7 @@ static int chacha_stream_xor(struct skcipher_request *req, static int crypto_chacha_crypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm); + const struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm); return chacha_stream_xor(req, ctx, req->iv); } @@ -48,14 +82,14 @@ static int crypto_chacha_crypt(struct skcipher_request *req) static int crypto_xchacha_crypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm); + const struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm); struct chacha_ctx subctx; - u32 state[16]; + struct chacha_state state; u8 real_iv[16]; /* Compute the subkey given the original key and first 128 nonce bits */ - chacha_init_generic(state, ctx->key, req->iv); - hchacha_block_generic(state, subctx.key, ctx->nrounds); + chacha_init(&state, ctx->key, req->iv); + hchacha_block(&state, subctx.key, ctx->nrounds); subctx.nrounds = ctx->nrounds; /* Build the real IV */ @@ -69,8 +103,8 @@ static int crypto_xchacha_crypt(struct skcipher_request *req) static struct skcipher_alg algs[] = { { .base.cra_name = "chacha20", - .base.cra_driver_name = "chacha20-generic", - .base.cra_priority = 100, + .base.cra_driver_name = "chacha20-lib", + .base.cra_priority = 300, .base.cra_blocksize = 1, .base.cra_ctxsize = sizeof(struct chacha_ctx), .base.cra_module = THIS_MODULE, @@ -82,10 +116,11 @@ static struct skcipher_alg algs[] = { .setkey = chacha20_setkey, .encrypt = crypto_chacha_crypt, .decrypt = crypto_chacha_crypt, - }, { + }, + { .base.cra_name = "xchacha20", - .base.cra_driver_name = "xchacha20-generic", - .base.cra_priority = 100, + .base.cra_driver_name = "xchacha20-lib", + .base.cra_priority = 300, .base.cra_blocksize = 1, .base.cra_ctxsize = sizeof(struct chacha_ctx), .base.cra_module = THIS_MODULE, @@ -97,10 +132,11 @@ static struct skcipher_alg algs[] = { .setkey = chacha20_setkey, .encrypt = crypto_xchacha_crypt, .decrypt = crypto_xchacha_crypt, - }, { + }, + { .base.cra_name = "xchacha12", - .base.cra_driver_name = "xchacha12-generic", - .base.cra_priority = 100, + .base.cra_driver_name = "xchacha12-lib", + .base.cra_priority = 300, .base.cra_blocksize = 1, .base.cra_ctxsize = sizeof(struct chacha_ctx), .base.cra_module = THIS_MODULE, @@ -115,25 +151,25 @@ static struct skcipher_alg algs[] = { } }; -static int __init chacha_generic_mod_init(void) +static int __init crypto_chacha_mod_init(void) { return crypto_register_skciphers(algs, ARRAY_SIZE(algs)); } -static void __exit chacha_generic_mod_fini(void) +static void __exit crypto_chacha_mod_fini(void) { crypto_unregister_skciphers(algs, ARRAY_SIZE(algs)); } -subsys_initcall(chacha_generic_mod_init); -module_exit(chacha_generic_mod_fini); +module_init(crypto_chacha_mod_init); +module_exit(crypto_chacha_mod_fini); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Martin Willi <martin@strongswan.org>"); -MODULE_DESCRIPTION("ChaCha and XChaCha stream ciphers (generic)"); +MODULE_DESCRIPTION("Crypto API wrappers for the ChaCha20, XChaCha20, and XChaCha12 stream ciphers"); MODULE_ALIAS_CRYPTO("chacha20"); -MODULE_ALIAS_CRYPTO("chacha20-generic"); +MODULE_ALIAS_CRYPTO("chacha20-lib"); MODULE_ALIAS_CRYPTO("xchacha20"); -MODULE_ALIAS_CRYPTO("xchacha20-generic"); +MODULE_ALIAS_CRYPTO("xchacha20-lib"); MODULE_ALIAS_CRYPTO("xchacha12"); -MODULE_ALIAS_CRYPTO("xchacha12-generic"); +MODULE_ALIAS_CRYPTO("xchacha12-lib"); diff --git a/crypto/chacha20poly1305.c b/crypto/chacha20poly1305.c index 3a905c5d8f53..b4b5a7198d84 100644 --- a/crypto/chacha20poly1305.c +++ b/crypto/chacha20poly1305.c @@ -12,34 +12,21 @@ #include <crypto/chacha.h> #include <crypto/poly1305.h> #include <linux/err.h> -#include <linux/init.h> #include <linux/kernel.h> +#include <linux/mm.h> #include <linux/module.h> +#include <linux/string.h> struct chachapoly_instance_ctx { struct crypto_skcipher_spawn chacha; - struct crypto_ahash_spawn poly; unsigned int saltlen; }; struct chachapoly_ctx { struct crypto_skcipher *chacha; - struct crypto_ahash *poly; /* key bytes we use for the ChaCha20 IV */ unsigned int saltlen; - u8 salt[]; -}; - -struct poly_req { - /* zero byte padding for AD/ciphertext, as needed */ - u8 pad[POLY1305_BLOCK_SIZE]; - /* tail data with AD/ciphertext lengths */ - struct { - __le64 assoclen; - __le64 cryptlen; - } tail; - struct scatterlist src[1]; - struct ahash_request req; /* must be last member */ + u8 salt[] __counted_by(saltlen); }; struct chacha_req { @@ -62,7 +49,6 @@ struct chachapoly_req_ctx { /* request flags, with MAY_SLEEP cleared if needed */ u32 flags; union { - struct poly_req poly; struct chacha_req chacha; } u; }; @@ -105,16 +91,6 @@ static int poly_verify_tag(struct aead_request *req) return 0; } -static int poly_copy_tag(struct aead_request *req) -{ - struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - - scatterwalk_map_and_copy(rctx->tag, req->dst, - req->assoclen + rctx->cryptlen, - sizeof(rctx->tag), 1); - return 0; -} - static void chacha_decrypt_done(void *data, int err) { async_done_continue(data, err, poly_verify_tag); @@ -151,210 +127,76 @@ skip: return poly_verify_tag(req); } -static int poly_tail_continue(struct aead_request *req) -{ - struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - - if (rctx->cryptlen == req->cryptlen) /* encrypting */ - return poly_copy_tag(req); - - return chacha_decrypt(req); -} - -static void poly_tail_done(void *data, int err) -{ - async_done_continue(data, err, poly_tail_continue); -} - -static int poly_tail(struct aead_request *req) -{ - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - struct chachapoly_ctx *ctx = crypto_aead_ctx(tfm); - struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - struct poly_req *preq = &rctx->u.poly; - int err; - - preq->tail.assoclen = cpu_to_le64(rctx->assoclen); - preq->tail.cryptlen = cpu_to_le64(rctx->cryptlen); - sg_init_one(preq->src, &preq->tail, sizeof(preq->tail)); - - ahash_request_set_callback(&preq->req, rctx->flags, - poly_tail_done, req); - ahash_request_set_tfm(&preq->req, ctx->poly); - ahash_request_set_crypt(&preq->req, preq->src, - rctx->tag, sizeof(preq->tail)); - - err = crypto_ahash_finup(&preq->req); - if (err) - return err; - - return poly_tail_continue(req); -} - -static void poly_cipherpad_done(void *data, int err) -{ - async_done_continue(data, err, poly_tail); -} - -static int poly_cipherpad(struct aead_request *req) +static int poly_hash(struct aead_request *req) { - struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req)); struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - struct poly_req *preq = &rctx->u.poly; + const void *zp = page_address(ZERO_PAGE(0)); + struct scatterlist *sg = req->src; + struct poly1305_desc_ctx desc; + struct scatter_walk walk; + struct { + union { + struct { + __le64 assoclen; + __le64 cryptlen; + }; + u8 u8[16]; + }; + } tail; unsigned int padlen; - int err; - - padlen = -rctx->cryptlen % POLY1305_BLOCK_SIZE; - memset(preq->pad, 0, sizeof(preq->pad)); - sg_init_one(preq->src, preq->pad, padlen); - - ahash_request_set_callback(&preq->req, rctx->flags, - poly_cipherpad_done, req); - ahash_request_set_tfm(&preq->req, ctx->poly); - ahash_request_set_crypt(&preq->req, preq->src, NULL, padlen); + unsigned int total; - err = crypto_ahash_update(&preq->req); - if (err) - return err; - - return poly_tail(req); -} - -static void poly_cipher_done(void *data, int err) -{ - async_done_continue(data, err, poly_cipherpad); -} - -static int poly_cipher(struct aead_request *req) -{ - struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req)); - struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - struct poly_req *preq = &rctx->u.poly; - struct scatterlist *crypt = req->src; - int err; + if (sg != req->dst) + memcpy_sglist(req->dst, sg, req->assoclen); if (rctx->cryptlen == req->cryptlen) /* encrypting */ - crypt = req->dst; - - crypt = scatterwalk_ffwd(rctx->src, crypt, req->assoclen); - - ahash_request_set_callback(&preq->req, rctx->flags, - poly_cipher_done, req); - ahash_request_set_tfm(&preq->req, ctx->poly); - ahash_request_set_crypt(&preq->req, crypt, NULL, rctx->cryptlen); - - err = crypto_ahash_update(&preq->req); - if (err) - return err; + sg = req->dst; - return poly_cipherpad(req); -} + poly1305_init(&desc, rctx->key); + scatterwalk_start(&walk, sg); -static void poly_adpad_done(void *data, int err) -{ - async_done_continue(data, err, poly_cipher); -} + total = rctx->assoclen; + while (total) { + unsigned int n = scatterwalk_next(&walk, total); -static int poly_adpad(struct aead_request *req) -{ - struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req)); - struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - struct poly_req *preq = &rctx->u.poly; - unsigned int padlen; - int err; + poly1305_update(&desc, walk.addr, n); + scatterwalk_done_src(&walk, n); + total -= n; + } padlen = -rctx->assoclen % POLY1305_BLOCK_SIZE; - memset(preq->pad, 0, sizeof(preq->pad)); - sg_init_one(preq->src, preq->pad, padlen); - - ahash_request_set_callback(&preq->req, rctx->flags, - poly_adpad_done, req); - ahash_request_set_tfm(&preq->req, ctx->poly); - ahash_request_set_crypt(&preq->req, preq->src, NULL, padlen); - - err = crypto_ahash_update(&preq->req); - if (err) - return err; - - return poly_cipher(req); -} - -static void poly_ad_done(void *data, int err) -{ - async_done_continue(data, err, poly_adpad); -} - -static int poly_ad(struct aead_request *req) -{ - struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req)); - struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - struct poly_req *preq = &rctx->u.poly; - int err; - - ahash_request_set_callback(&preq->req, rctx->flags, - poly_ad_done, req); - ahash_request_set_tfm(&preq->req, ctx->poly); - ahash_request_set_crypt(&preq->req, req->src, NULL, rctx->assoclen); - - err = crypto_ahash_update(&preq->req); - if (err) - return err; - - return poly_adpad(req); -} - -static void poly_setkey_done(void *data, int err) -{ - async_done_continue(data, err, poly_ad); -} + poly1305_update(&desc, zp, padlen); -static int poly_setkey(struct aead_request *req) -{ - struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req)); - struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - struct poly_req *preq = &rctx->u.poly; - int err; + scatterwalk_skip(&walk, req->assoclen - rctx->assoclen); - sg_init_one(preq->src, rctx->key, sizeof(rctx->key)); + total = rctx->cryptlen; + while (total) { + unsigned int n = scatterwalk_next(&walk, total); - ahash_request_set_callback(&preq->req, rctx->flags, - poly_setkey_done, req); - ahash_request_set_tfm(&preq->req, ctx->poly); - ahash_request_set_crypt(&preq->req, preq->src, NULL, sizeof(rctx->key)); - - err = crypto_ahash_update(&preq->req); - if (err) - return err; - - return poly_ad(req); -} - -static void poly_init_done(void *data, int err) -{ - async_done_continue(data, err, poly_setkey); -} + poly1305_update(&desc, walk.addr, n); + scatterwalk_done_src(&walk, n); + total -= n; + } -static int poly_init(struct aead_request *req) -{ - struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req)); - struct chachapoly_req_ctx *rctx = aead_request_ctx(req); - struct poly_req *preq = &rctx->u.poly; - int err; + padlen = -rctx->cryptlen % POLY1305_BLOCK_SIZE; + poly1305_update(&desc, zp, padlen); - ahash_request_set_callback(&preq->req, rctx->flags, - poly_init_done, req); - ahash_request_set_tfm(&preq->req, ctx->poly); + tail.assoclen = cpu_to_le64(rctx->assoclen); + tail.cryptlen = cpu_to_le64(rctx->cryptlen); + poly1305_update(&desc, tail.u8, sizeof(tail)); + memzero_explicit(&tail, sizeof(tail)); + poly1305_final(&desc, rctx->tag); - err = crypto_ahash_init(&preq->req); - if (err) - return err; + if (rctx->cryptlen != req->cryptlen) + return chacha_decrypt(req); - return poly_setkey(req); + memcpy_to_scatterwalk(&walk, rctx->tag, sizeof(rctx->tag)); + return 0; } static void poly_genkey_done(void *data, int err) { - async_done_continue(data, err, poly_init); + async_done_continue(data, err, poly_hash); } static int poly_genkey(struct aead_request *req) @@ -388,7 +230,7 @@ static int poly_genkey(struct aead_request *req) if (err) return err; - return poly_init(req); + return poly_hash(req); } static void chacha_encrypt_done(void *data, int err) @@ -437,14 +279,7 @@ static int chachapoly_encrypt(struct aead_request *req) /* encrypt call chain: * - chacha_encrypt/done() * - poly_genkey/done() - * - poly_init/done() - * - poly_setkey/done() - * - poly_ad/done() - * - poly_adpad/done() - * - poly_cipher/done() - * - poly_cipherpad/done() - * - poly_tail/done/continue() - * - poly_copy_tag() + * - poly_hash() */ return chacha_encrypt(req); } @@ -458,13 +293,7 @@ static int chachapoly_decrypt(struct aead_request *req) /* decrypt call chain: * - poly_genkey/done() - * - poly_init/done() - * - poly_setkey/done() - * - poly_ad/done() - * - poly_adpad/done() - * - poly_cipher/done() - * - poly_cipherpad/done() - * - poly_tail/done/continue() + * - poly_hash() * - chacha_decrypt/done() * - poly_verify_tag() */ @@ -503,21 +332,13 @@ static int chachapoly_init(struct crypto_aead *tfm) struct chachapoly_instance_ctx *ictx = aead_instance_ctx(inst); struct chachapoly_ctx *ctx = crypto_aead_ctx(tfm); struct crypto_skcipher *chacha; - struct crypto_ahash *poly; unsigned long align; - poly = crypto_spawn_ahash(&ictx->poly); - if (IS_ERR(poly)) - return PTR_ERR(poly); - chacha = crypto_spawn_skcipher(&ictx->chacha); - if (IS_ERR(chacha)) { - crypto_free_ahash(poly); + if (IS_ERR(chacha)) return PTR_ERR(chacha); - } ctx->chacha = chacha; - ctx->poly = poly; ctx->saltlen = ictx->saltlen; align = crypto_aead_alignmask(tfm); @@ -525,12 +346,9 @@ static int chachapoly_init(struct crypto_aead *tfm) crypto_aead_set_reqsize( tfm, align + offsetof(struct chachapoly_req_ctx, u) + - max(offsetof(struct chacha_req, req) + - sizeof(struct skcipher_request) + - crypto_skcipher_reqsize(chacha), - offsetof(struct poly_req, req) + - sizeof(struct ahash_request) + - crypto_ahash_reqsize(poly))); + offsetof(struct chacha_req, req) + + sizeof(struct skcipher_request) + + crypto_skcipher_reqsize(chacha)); return 0; } @@ -539,7 +357,6 @@ static void chachapoly_exit(struct crypto_aead *tfm) { struct chachapoly_ctx *ctx = crypto_aead_ctx(tfm); - crypto_free_ahash(ctx->poly); crypto_free_skcipher(ctx->chacha); } @@ -548,7 +365,6 @@ static void chachapoly_free(struct aead_instance *inst) struct chachapoly_instance_ctx *ctx = aead_instance_ctx(inst); crypto_drop_skcipher(&ctx->chacha); - crypto_drop_ahash(&ctx->poly); kfree(inst); } @@ -558,8 +374,7 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb, u32 mask; struct aead_instance *inst; struct chachapoly_instance_ctx *ctx; - struct skcipher_alg *chacha; - struct hash_alg_common *poly; + struct skcipher_alg_common *chacha; int err; if (ivsize > CHACHAPOLY_IV_SIZE) @@ -579,19 +394,14 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb, crypto_attr_alg_name(tb[1]), 0, mask); if (err) goto err_free_inst; - chacha = crypto_spawn_skcipher_alg(&ctx->chacha); - - err = crypto_grab_ahash(&ctx->poly, aead_crypto_instance(inst), - crypto_attr_alg_name(tb[2]), 0, mask); - if (err) - goto err_free_inst; - poly = crypto_spawn_ahash_alg(&ctx->poly); + chacha = crypto_spawn_skcipher_alg_common(&ctx->chacha); err = -EINVAL; - if (poly->digestsize != POLY1305_DIGEST_SIZE) + if (strcmp(crypto_attr_alg_name(tb[2]), "poly1305") && + strcmp(crypto_attr_alg_name(tb[2]), "poly1305-generic")) goto err_free_inst; /* Need 16-byte IV size, including Initial Block Counter value */ - if (crypto_skcipher_alg_ivsize(chacha) != CHACHA_IV_SIZE) + if (chacha->ivsize != CHACHA_IV_SIZE) goto err_free_inst; /* Not a stream cipher? */ if (chacha->base.cra_blocksize != 1) @@ -599,23 +409,21 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb, err = -ENAMETOOLONG; if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, - "%s(%s,%s)", name, chacha->base.cra_name, - poly->base.cra_name) >= CRYPTO_MAX_ALG_NAME) + "%s(%s,poly1305)", name, + chacha->base.cra_name) >= CRYPTO_MAX_ALG_NAME) goto err_free_inst; if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME, - "%s(%s,%s)", name, chacha->base.cra_driver_name, - poly->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) + "%s(%s,poly1305-generic)", name, + chacha->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) goto err_free_inst; - inst->alg.base.cra_priority = (chacha->base.cra_priority + - poly->base.cra_priority) / 2; + inst->alg.base.cra_priority = chacha->base.cra_priority; inst->alg.base.cra_blocksize = 1; - inst->alg.base.cra_alignmask = chacha->base.cra_alignmask | - poly->base.cra_alignmask; + inst->alg.base.cra_alignmask = chacha->base.cra_alignmask; inst->alg.base.cra_ctxsize = sizeof(struct chachapoly_ctx) + ctx->saltlen; inst->alg.ivsize = ivsize; - inst->alg.chunksize = crypto_skcipher_alg_chunksize(chacha); + inst->alg.chunksize = chacha->chunksize; inst->alg.maxauthsize = POLY1305_DIGEST_SIZE; inst->alg.init = chachapoly_init; inst->alg.exit = chachapoly_exit; @@ -668,7 +476,7 @@ static void __exit chacha20poly1305_module_exit(void) ARRAY_SIZE(rfc7539_tmpls)); } -subsys_initcall(chacha20poly1305_module_init); +module_init(chacha20poly1305_module_init); module_exit(chacha20poly1305_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/cipher.c b/crypto/cipher.c index b47141ed4a9f..1fe62bf79656 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -34,8 +34,7 @@ static int setkey_unaligned(struct crypto_cipher *tfm, const u8 *key, alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); memcpy(alignbuffer, key, keylen); ret = cia->cia_setkey(crypto_cipher_tfm(tfm), alignbuffer, keylen); - memset(alignbuffer, 0, keylen); - kfree(buffer); + kfree_sensitive(buffer); return ret; } @@ -54,7 +53,7 @@ int crypto_cipher_setkey(struct crypto_cipher *tfm, return cia->cia_setkey(crypto_cipher_tfm(tfm), key, keylen); } -EXPORT_SYMBOL_NS_GPL(crypto_cipher_setkey, CRYPTO_INTERNAL); +EXPORT_SYMBOL_NS_GPL(crypto_cipher_setkey, "CRYPTO_INTERNAL"); static inline void cipher_crypt_one(struct crypto_cipher *tfm, u8 *dst, const u8 *src, bool enc) @@ -82,11 +81,39 @@ void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, { cipher_crypt_one(tfm, dst, src, true); } -EXPORT_SYMBOL_NS_GPL(crypto_cipher_encrypt_one, CRYPTO_INTERNAL); +EXPORT_SYMBOL_NS_GPL(crypto_cipher_encrypt_one, "CRYPTO_INTERNAL"); void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, u8 *dst, const u8 *src) { cipher_crypt_one(tfm, dst, src, false); } -EXPORT_SYMBOL_NS_GPL(crypto_cipher_decrypt_one, CRYPTO_INTERNAL); +EXPORT_SYMBOL_NS_GPL(crypto_cipher_decrypt_one, "CRYPTO_INTERNAL"); + +struct crypto_cipher *crypto_clone_cipher(struct crypto_cipher *cipher) +{ + struct crypto_tfm *tfm = crypto_cipher_tfm(cipher); + struct crypto_alg *alg = tfm->__crt_alg; + struct crypto_cipher *ncipher; + struct crypto_tfm *ntfm; + + if (alg->cra_init) + return ERR_PTR(-ENOSYS); + + if (unlikely(!crypto_mod_get(alg))) + return ERR_PTR(-ESTALE); + + ntfm = __crypto_alloc_tfmgfp(alg, CRYPTO_ALG_TYPE_CIPHER, + CRYPTO_ALG_TYPE_MASK, GFP_ATOMIC); + if (IS_ERR(ntfm)) { + crypto_mod_put(alg); + return ERR_CAST(ntfm); + } + + ntfm->crt_flags = tfm->crt_flags; + + ncipher = __crypto_cipher_cast(ntfm); + + return ncipher; +} +EXPORT_SYMBOL_GPL(crypto_clone_cipher); diff --git a/crypto/cmac.c b/crypto/cmac.c index f4a5d3bfb376..1b03964abe00 100644 --- a/crypto/cmac.c +++ b/crypto/cmac.c @@ -13,9 +13,12 @@ #include <crypto/internal/cipher.h> #include <crypto/internal/hash.h> +#include <crypto/utils.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> +#include <linux/string.h> /* * +------------------------ @@ -28,33 +31,15 @@ */ struct cmac_tfm_ctx { struct crypto_cipher *child; - u8 ctx[]; -}; - -/* - * +------------------------ - * | <shash desc> - * +------------------------ - * | cmac_desc_ctx - * +------------------------ - * | odds (block size) - * +------------------------ - * | prev (block size) - * +------------------------ - */ -struct cmac_desc_ctx { - unsigned int len; - u8 ctx[]; + __be64 consts[]; }; static int crypto_cmac_digest_setkey(struct crypto_shash *parent, const u8 *inkey, unsigned int keylen) { - unsigned long alignmask = crypto_shash_alignmask(parent); struct cmac_tfm_ctx *ctx = crypto_shash_ctx(parent); unsigned int bs = crypto_shash_blocksize(parent); - __be64 *consts = PTR_ALIGN((void *)ctx->ctx, - (alignmask | (__alignof__(__be64) - 1)) + 1); + __be64 *consts = ctx->consts; u64 _const[2]; int i, err = 0; u8 msb_mask, gfmask; @@ -104,14 +89,10 @@ static int crypto_cmac_digest_setkey(struct crypto_shash *parent, static int crypto_cmac_digest_init(struct shash_desc *pdesc) { - unsigned long alignmask = crypto_shash_alignmask(pdesc->tfm); - struct cmac_desc_ctx *ctx = shash_desc_ctx(pdesc); int bs = crypto_shash_blocksize(pdesc->tfm); - u8 *prev = PTR_ALIGN((void *)ctx->ctx, alignmask + 1) + bs; + u8 *prev = shash_desc_ctx(pdesc); - ctx->len = 0; memset(prev, 0, bs); - return 0; } @@ -119,104 +100,75 @@ static int crypto_cmac_digest_update(struct shash_desc *pdesc, const u8 *p, unsigned int len) { struct crypto_shash *parent = pdesc->tfm; - unsigned long alignmask = crypto_shash_alignmask(parent); struct cmac_tfm_ctx *tctx = crypto_shash_ctx(parent); - struct cmac_desc_ctx *ctx = shash_desc_ctx(pdesc); struct crypto_cipher *tfm = tctx->child; int bs = crypto_shash_blocksize(parent); - u8 *odds = PTR_ALIGN((void *)ctx->ctx, alignmask + 1); - u8 *prev = odds + bs; - - /* checking the data can fill the block */ - if ((ctx->len + len) <= bs) { - memcpy(odds + ctx->len, p, len); - ctx->len += len; - return 0; - } + u8 *prev = shash_desc_ctx(pdesc); - /* filling odds with new data and encrypting it */ - memcpy(odds + ctx->len, p, bs - ctx->len); - len -= bs - ctx->len; - p += bs - ctx->len; - - crypto_xor(prev, odds, bs); - crypto_cipher_encrypt_one(tfm, prev, prev); - - /* clearing the length */ - ctx->len = 0; - - /* encrypting the rest of data */ - while (len > bs) { + do { crypto_xor(prev, p, bs); crypto_cipher_encrypt_one(tfm, prev, prev); p += bs; len -= bs; - } - - /* keeping the surplus of blocksize */ - if (len) { - memcpy(odds, p, len); - ctx->len = len; - } - - return 0; + } while (len >= bs); + return len; } -static int crypto_cmac_digest_final(struct shash_desc *pdesc, u8 *out) +static int crypto_cmac_digest_finup(struct shash_desc *pdesc, const u8 *src, + unsigned int len, u8 *out) { struct crypto_shash *parent = pdesc->tfm; - unsigned long alignmask = crypto_shash_alignmask(parent); struct cmac_tfm_ctx *tctx = crypto_shash_ctx(parent); - struct cmac_desc_ctx *ctx = shash_desc_ctx(pdesc); struct crypto_cipher *tfm = tctx->child; int bs = crypto_shash_blocksize(parent); - u8 *consts = PTR_ALIGN((void *)tctx->ctx, - (alignmask | (__alignof__(__be64) - 1)) + 1); - u8 *odds = PTR_ALIGN((void *)ctx->ctx, alignmask + 1); - u8 *prev = odds + bs; + u8 *prev = shash_desc_ctx(pdesc); unsigned int offset = 0; - if (ctx->len != bs) { - unsigned int rlen; - u8 *p = odds + ctx->len; - - *p = 0x80; - p++; - - rlen = bs - ctx->len - 1; - if (rlen) - memset(p, 0, rlen); - + crypto_xor(prev, src, len); + if (len != bs) { + prev[len] ^= 0x80; offset += bs; } + crypto_xor(prev, (const u8 *)tctx->consts + offset, bs); + crypto_cipher_encrypt_one(tfm, out, prev); + return 0; +} - crypto_xor(prev, odds, bs); - crypto_xor(prev, consts + offset, bs); +static int cmac_init_tfm(struct crypto_shash *tfm) +{ + struct shash_instance *inst = shash_alg_instance(tfm); + struct cmac_tfm_ctx *ctx = crypto_shash_ctx(tfm); + struct crypto_cipher_spawn *spawn; + struct crypto_cipher *cipher; - crypto_cipher_encrypt_one(tfm, out, prev); + spawn = shash_instance_ctx(inst); + cipher = crypto_spawn_cipher(spawn); + if (IS_ERR(cipher)) + return PTR_ERR(cipher); + + ctx->child = cipher; return 0; } -static int cmac_init_tfm(struct crypto_tfm *tfm) +static int cmac_clone_tfm(struct crypto_shash *tfm, struct crypto_shash *otfm) { + struct cmac_tfm_ctx *octx = crypto_shash_ctx(otfm); + struct cmac_tfm_ctx *ctx = crypto_shash_ctx(tfm); struct crypto_cipher *cipher; - struct crypto_instance *inst = (void *)tfm->__crt_alg; - struct crypto_cipher_spawn *spawn = crypto_instance_ctx(inst); - struct cmac_tfm_ctx *ctx = crypto_tfm_ctx(tfm); - cipher = crypto_spawn_cipher(spawn); + cipher = crypto_clone_cipher(octx->child); if (IS_ERR(cipher)) return PTR_ERR(cipher); ctx->child = cipher; return 0; -}; +} -static void cmac_exit_tfm(struct crypto_tfm *tfm) +static void cmac_exit_tfm(struct crypto_shash *tfm) { - struct cmac_tfm_ctx *ctx = crypto_tfm_ctx(tfm); + struct cmac_tfm_ctx *ctx = crypto_shash_ctx(tfm); crypto_free_cipher(ctx->child); } @@ -225,7 +177,6 @@ static int cmac_create(struct crypto_template *tmpl, struct rtattr **tb) struct shash_instance *inst; struct crypto_cipher_spawn *spawn; struct crypto_alg *alg; - unsigned long alignmask; u32 mask; int err; @@ -257,30 +208,22 @@ static int cmac_create(struct crypto_template *tmpl, struct rtattr **tb) if (err) goto err_free_inst; - alignmask = alg->cra_alignmask; - inst->alg.base.cra_alignmask = alignmask; inst->alg.base.cra_priority = alg->cra_priority; inst->alg.base.cra_blocksize = alg->cra_blocksize; + inst->alg.base.cra_ctxsize = sizeof(struct cmac_tfm_ctx) + + alg->cra_blocksize * 2; + inst->alg.base.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY | + CRYPTO_AHASH_ALG_FINAL_NONZERO; inst->alg.digestsize = alg->cra_blocksize; - inst->alg.descsize = - ALIGN(sizeof(struct cmac_desc_ctx), crypto_tfm_ctx_alignment()) - + (alignmask & ~(crypto_tfm_ctx_alignment() - 1)) - + alg->cra_blocksize * 2; - - inst->alg.base.cra_ctxsize = - ALIGN(sizeof(struct cmac_tfm_ctx), crypto_tfm_ctx_alignment()) - + ((alignmask | (__alignof__(__be64) - 1)) & - ~(crypto_tfm_ctx_alignment() - 1)) - + alg->cra_blocksize * 2; - - inst->alg.base.cra_init = cmac_init_tfm; - inst->alg.base.cra_exit = cmac_exit_tfm; - + inst->alg.descsize = alg->cra_blocksize; inst->alg.init = crypto_cmac_digest_init; inst->alg.update = crypto_cmac_digest_update; - inst->alg.final = crypto_cmac_digest_final; + inst->alg.finup = crypto_cmac_digest_finup; inst->alg.setkey = crypto_cmac_digest_setkey; + inst->alg.init_tfm = cmac_init_tfm; + inst->alg.clone_tfm = cmac_clone_tfm; + inst->alg.exit_tfm = cmac_exit_tfm; inst->free = shash_free_singlespawn_instance; @@ -308,10 +251,10 @@ static void __exit crypto_cmac_module_exit(void) crypto_unregister_template(&crypto_cmac_tmpl); } -subsys_initcall(crypto_cmac_module_init); +module_init(crypto_cmac_module_init); module_exit(crypto_cmac_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CMAC keyed hash algorithm"); MODULE_ALIAS_CRYPTO("cmac"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/compress.c b/crypto/compress.c deleted file mode 100644 index 9048fe390c46..000000000000 --- a/crypto/compress.c +++ /dev/null @@ -1,32 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Cryptographic API. - * - * Compression operations. - * - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - */ -#include <linux/crypto.h> -#include "internal.h" - -int crypto_comp_compress(struct crypto_comp *comp, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - struct crypto_tfm *tfm = crypto_comp_tfm(comp); - - return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst, - dlen); -} -EXPORT_SYMBOL_GPL(crypto_comp_compress); - -int crypto_comp_decompress(struct crypto_comp *comp, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen) -{ - struct crypto_tfm *tfm = crypto_comp_tfm(comp); - - return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst, - dlen); -} -EXPORT_SYMBOL_GPL(crypto_comp_decompress); diff --git a/crypto/compress.h b/crypto/compress.h index 19f65516d699..f7737a1fcbbd 100644 --- a/crypto/compress.h +++ b/crypto/compress.h @@ -13,13 +13,8 @@ struct acomp_req; struct comp_alg_common; -struct sk_buff; int crypto_init_scomp_ops_async(struct crypto_tfm *tfm); -struct acomp_req *crypto_acomp_scomp_alloc_ctx(struct acomp_req *req); -void crypto_acomp_scomp_free_ctx(struct acomp_req *req); - -int crypto_acomp_report_stat(struct sk_buff *skb, struct crypto_alg *alg); void comp_prepare_alg(struct comp_alg_common *alg); diff --git a/crypto/crc32_generic.c b/crypto/crc32.c index a989cb44fd16..489cbed9422e 100644 --- a/crypto/crc32_generic.c +++ b/crypto/crc32.c @@ -7,7 +7,7 @@ * This is crypto api shash wrappers to crc32_le. */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/crc32.h> #include <crypto/internal/hash.h> #include <linux/init.h> @@ -64,8 +64,7 @@ static int crc32_update(struct shash_desc *desc, const u8 *data, } /* No final XOR 0xFFFFFFFF, like crc32_le */ -static int __crc32_finup(u32 *crcp, const u8 *data, unsigned int len, - u8 *out) +static int __crc32_finup(u32 *crcp, const u8 *data, unsigned int len, u8 *out) { put_unaligned_le32(crc32_le(*crcp, data, len), out); return 0; @@ -88,28 +87,27 @@ static int crc32_final(struct shash_desc *desc, u8 *out) static int crc32_digest(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out) { - return __crc32_finup(crypto_shash_ctx(desc->tfm), data, len, - out); + return __crc32_finup(crypto_shash_ctx(desc->tfm), data, len, out); } + static struct shash_alg alg = { - .setkey = crc32_setkey, - .init = crc32_init, - .update = crc32_update, - .final = crc32_final, - .finup = crc32_finup, - .digest = crc32_digest, - .descsize = sizeof(u32), - .digestsize = CHKSUM_DIGEST_SIZE, - .base = { - .cra_name = "crc32", - .cra_driver_name = "crc32-generic", - .cra_priority = 100, - .cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .cra_blocksize = CHKSUM_BLOCK_SIZE, - .cra_ctxsize = sizeof(u32), - .cra_module = THIS_MODULE, - .cra_init = crc32_cra_init, - } + .setkey = crc32_setkey, + .init = crc32_init, + .update = crc32_update, + .final = crc32_final, + .finup = crc32_finup, + .digest = crc32_digest, + .descsize = sizeof(u32), + .digestsize = CHKSUM_DIGEST_SIZE, + + .base.cra_name = "crc32", + .base.cra_driver_name = "crc32-lib", + .base.cra_priority = 100, + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_blocksize = CHKSUM_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(u32), + .base.cra_module = THIS_MODULE, + .base.cra_init = crc32_cra_init, }; static int __init crc32_mod_init(void) @@ -122,11 +120,10 @@ static void __exit crc32_mod_fini(void) crypto_unregister_shash(&alg); } -subsys_initcall(crc32_mod_init); +module_init(crc32_mod_init); module_exit(crc32_mod_fini); MODULE_AUTHOR("Alexander Boyko <alexander_boyko@xyratex.com>"); MODULE_DESCRIPTION("CRC32 calculations wrapper for lib/crc32"); MODULE_LICENSE("GPL"); MODULE_ALIAS_CRYPTO("crc32"); -MODULE_ALIAS_CRYPTO("crc32-generic"); diff --git a/crypto/crc32c_generic.c b/crypto/crc32c.c index 768614738541..1eff54dde2f7 100644 --- a/crypto/crc32c_generic.c +++ b/crypto/crc32c.c @@ -30,7 +30,7 @@ * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au> */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <crypto/internal/hash.h> #include <linux/init.h> #include <linux/module.h> @@ -85,7 +85,7 @@ static int chksum_update(struct shash_desc *desc, const u8 *data, { struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); - ctx->crc = __crc32c_le(ctx->crc, data, length); + ctx->crc = crc32c(ctx->crc, data, length); return 0; } @@ -99,7 +99,7 @@ static int chksum_final(struct shash_desc *desc, u8 *out) static int __chksum_finup(u32 *crcp, const u8 *data, unsigned int len, u8 *out) { - put_unaligned_le32(~__crc32c_le(*crcp, data, len), out); + put_unaligned_le32(~crc32c(*crcp, data, len), out); return 0; } @@ -128,24 +128,23 @@ static int crc32c_cra_init(struct crypto_tfm *tfm) } static struct shash_alg alg = { - .digestsize = CHKSUM_DIGEST_SIZE, - .setkey = chksum_setkey, - .init = chksum_init, - .update = chksum_update, - .final = chksum_final, - .finup = chksum_finup, - .digest = chksum_digest, - .descsize = sizeof(struct chksum_desc_ctx), - .base = { - .cra_name = "crc32c", - .cra_driver_name = "crc32c-generic", - .cra_priority = 100, - .cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .cra_blocksize = CHKSUM_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct chksum_ctx), - .cra_module = THIS_MODULE, - .cra_init = crc32c_cra_init, - } + .digestsize = CHKSUM_DIGEST_SIZE, + .setkey = chksum_setkey, + .init = chksum_init, + .update = chksum_update, + .final = chksum_final, + .finup = chksum_finup, + .digest = chksum_digest, + .descsize = sizeof(struct chksum_desc_ctx), + + .base.cra_name = "crc32c", + .base.cra_driver_name = "crc32c-lib", + .base.cra_priority = 100, + .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, + .base.cra_blocksize = CHKSUM_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct chksum_ctx), + .base.cra_module = THIS_MODULE, + .base.cra_init = crc32c_cra_init, }; static int __init crc32c_mod_init(void) @@ -158,11 +157,10 @@ static void __exit crc32c_mod_fini(void) crypto_unregister_shash(&alg); } -subsys_initcall(crc32c_mod_init); +module_init(crc32c_mod_init); module_exit(crc32c_mod_fini); MODULE_AUTHOR("Clay Haapala <chaapala@cisco.com>"); MODULE_DESCRIPTION("CRC32c (Castagnoli) calculations wrapper for lib/crc32c"); MODULE_LICENSE("GPL"); MODULE_ALIAS_CRYPTO("crc32c"); -MODULE_ALIAS_CRYPTO("crc32c-generic"); diff --git a/crypto/crc64_rocksoft_generic.c b/crypto/crc64_rocksoft_generic.c deleted file mode 100644 index 9e812bb26dba..000000000000 --- a/crypto/crc64_rocksoft_generic.c +++ /dev/null @@ -1,89 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only - -#include <linux/crc64.h> -#include <linux/module.h> -#include <crypto/internal/hash.h> -#include <asm/unaligned.h> - -static int chksum_init(struct shash_desc *desc) -{ - u64 *crc = shash_desc_ctx(desc); - - *crc = 0; - - return 0; -} - -static int chksum_update(struct shash_desc *desc, const u8 *data, - unsigned int length) -{ - u64 *crc = shash_desc_ctx(desc); - - *crc = crc64_rocksoft_generic(*crc, data, length); - - return 0; -} - -static int chksum_final(struct shash_desc *desc, u8 *out) -{ - u64 *crc = shash_desc_ctx(desc); - - put_unaligned_le64(*crc, out); - return 0; -} - -static int __chksum_finup(u64 crc, const u8 *data, unsigned int len, u8 *out) -{ - crc = crc64_rocksoft_generic(crc, data, len); - put_unaligned_le64(crc, out); - return 0; -} - -static int chksum_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - u64 *crc = shash_desc_ctx(desc); - - return __chksum_finup(*crc, data, len, out); -} - -static int chksum_digest(struct shash_desc *desc, const u8 *data, - unsigned int length, u8 *out) -{ - return __chksum_finup(0, data, length, out); -} - -static struct shash_alg alg = { - .digestsize = sizeof(u64), - .init = chksum_init, - .update = chksum_update, - .final = chksum_final, - .finup = chksum_finup, - .digest = chksum_digest, - .descsize = sizeof(u64), - .base = { - .cra_name = CRC64_ROCKSOFT_STRING, - .cra_driver_name = "crc64-rocksoft-generic", - .cra_priority = 200, - .cra_blocksize = 1, - .cra_module = THIS_MODULE, - } -}; - -static int __init crc64_rocksoft_init(void) -{ - return crypto_register_shash(&alg); -} - -static void __exit crc64_rocksoft_exit(void) -{ - crypto_unregister_shash(&alg); -} - -module_init(crc64_rocksoft_init); -module_exit(crc64_rocksoft_exit); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Rocksoft model CRC64 calculation."); -MODULE_ALIAS_CRYPTO("crc64-rocksoft"); -MODULE_ALIAS_CRYPTO("crc64-rocksoft-generic"); diff --git a/crypto/crct10dif_common.c b/crypto/crct10dif_common.c deleted file mode 100644 index b2fab366f518..000000000000 --- a/crypto/crct10dif_common.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Cryptographic API. - * - * T10 Data Integrity Field CRC16 Crypto Transform - * - * Copyright (c) 2007 Oracle Corporation. All rights reserved. - * Written by Martin K. Petersen <martin.petersen@oracle.com> - * Copyright (C) 2013 Intel Corporation - * Author: Tim Chen <tim.c.chen@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -#include <linux/crc-t10dif.h> -#include <linux/module.h> -#include <linux/kernel.h> - -/* Table generated using the following polynomium: - * x^16 + x^15 + x^11 + x^9 + x^8 + x^7 + x^5 + x^4 + x^2 + x + 1 - * gt: 0x8bb7 - */ -static const __u16 t10_dif_crc_table[256] = { - 0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B, - 0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6, - 0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6, - 0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B, - 0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1, - 0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C, - 0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C, - 0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781, - 0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8, - 0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255, - 0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925, - 0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698, - 0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472, - 0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF, - 0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF, - 0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02, - 0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA, - 0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067, - 0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17, - 0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA, - 0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640, - 0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD, - 0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D, - 0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30, - 0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759, - 0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4, - 0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394, - 0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29, - 0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3, - 0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E, - 0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E, - 0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3 -}; - -__u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer, size_t len) -{ - unsigned int i; - - for (i = 0 ; i < len ; i++) - crc = (crc << 8) ^ t10_dif_crc_table[((crc >> 8) ^ buffer[i]) & 0xff]; - - return crc; -} -EXPORT_SYMBOL(crc_t10dif_generic); - -MODULE_DESCRIPTION("T10 DIF CRC calculation common code"); -MODULE_LICENSE("GPL"); diff --git a/crypto/crct10dif_generic.c b/crypto/crct10dif_generic.c deleted file mode 100644 index e843982073bb..000000000000 --- a/crypto/crct10dif_generic.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Cryptographic API. - * - * T10 Data Integrity Field CRC16 Crypto Transform - * - * Copyright (c) 2007 Oracle Corporation. All rights reserved. - * Written by Martin K. Petersen <martin.petersen@oracle.com> - * Copyright (C) 2013 Intel Corporation - * Author: Tim Chen <tim.c.chen@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -#include <linux/module.h> -#include <linux/crc-t10dif.h> -#include <crypto/internal/hash.h> -#include <linux/init.h> -#include <linux/kernel.h> - -struct chksum_desc_ctx { - __u16 crc; -}; - -/* - * Steps through buffer one byte at a time, calculates reflected - * crc using table. - */ - -static int chksum_init(struct shash_desc *desc) -{ - struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); - - ctx->crc = 0; - - return 0; -} - -static int chksum_update(struct shash_desc *desc, const u8 *data, - unsigned int length) -{ - struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); - - ctx->crc = crc_t10dif_generic(ctx->crc, data, length); - return 0; -} - -static int chksum_final(struct shash_desc *desc, u8 *out) -{ - struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); - - *(__u16 *)out = ctx->crc; - return 0; -} - -static int __chksum_finup(__u16 crc, const u8 *data, unsigned int len, u8 *out) -{ - *(__u16 *)out = crc_t10dif_generic(crc, data, len); - return 0; -} - -static int chksum_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); - - return __chksum_finup(ctx->crc, data, len, out); -} - -static int chksum_digest(struct shash_desc *desc, const u8 *data, - unsigned int length, u8 *out) -{ - return __chksum_finup(0, data, length, out); -} - -static struct shash_alg alg = { - .digestsize = CRC_T10DIF_DIGEST_SIZE, - .init = chksum_init, - .update = chksum_update, - .final = chksum_final, - .finup = chksum_finup, - .digest = chksum_digest, - .descsize = sizeof(struct chksum_desc_ctx), - .base = { - .cra_name = "crct10dif", - .cra_driver_name = "crct10dif-generic", - .cra_priority = 100, - .cra_blocksize = CRC_T10DIF_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - -static int __init crct10dif_mod_init(void) -{ - return crypto_register_shash(&alg); -} - -static void __exit crct10dif_mod_fini(void) -{ - crypto_unregister_shash(&alg); -} - -subsys_initcall(crct10dif_mod_init); -module_exit(crct10dif_mod_fini); - -MODULE_AUTHOR("Tim Chen <tim.c.chen@linux.intel.com>"); -MODULE_DESCRIPTION("T10 DIF CRC calculation."); -MODULE_LICENSE("GPL"); -MODULE_ALIAS_CRYPTO("crct10dif"); -MODULE_ALIAS_CRYPTO("crct10dif-generic"); diff --git a/crypto/cryptd.c b/crypto/cryptd.c index bbcc368b6a55..cd38f4676176 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -34,6 +34,7 @@ MODULE_PARM_DESC(cryptd_max_cpu_qlen, "Set cryptd Max queue depth"); static struct workqueue_struct *cryptd_wq; struct cryptd_cpu_queue { + local_lock_t bh_lock; struct crypto_queue queue; struct work_struct work; }; @@ -110,6 +111,7 @@ static int cryptd_init_queue(struct cryptd_queue *queue, cpu_queue = per_cpu_ptr(queue->cpu_queue, cpu); crypto_init_queue(&cpu_queue->queue, max_cpu_qlen); INIT_WORK(&cpu_queue->work, cryptd_queue_worker); + local_lock_init(&cpu_queue->bh_lock); } pr_info("cryptd: max_cpu_qlen set to %d\n", max_cpu_qlen); return 0; @@ -135,6 +137,7 @@ static int cryptd_enqueue_request(struct cryptd_queue *queue, refcount_t *refcnt; local_bh_disable(); + local_lock_nested_bh(&queue->cpu_queue->bh_lock); cpu_queue = this_cpu_ptr(queue->cpu_queue); err = crypto_enqueue_request(&cpu_queue->queue, request); @@ -151,6 +154,7 @@ static int cryptd_enqueue_request(struct cryptd_queue *queue, refcount_inc(refcnt); out: + local_unlock_nested_bh(&queue->cpu_queue->bh_lock); local_bh_enable(); return err; @@ -169,8 +173,10 @@ static void cryptd_queue_worker(struct work_struct *work) * Only handle one request at a time to avoid hogging crypto workqueue. */ local_bh_disable(); + __local_lock_nested_bh(&cpu_queue->bh_lock); backlog = crypto_get_backlog(&cpu_queue->queue); req = crypto_dequeue_request(&cpu_queue->queue); + __local_unlock_nested_bh(&cpu_queue->bh_lock); local_bh_enable(); if (!req) @@ -377,7 +383,7 @@ static int cryptd_create_skcipher(struct crypto_template *tmpl, { struct skcipherd_instance_ctx *ctx; struct skcipher_instance *inst; - struct skcipher_alg *alg; + struct skcipher_alg_common *alg; u32 type; u32 mask; int err; @@ -396,17 +402,17 @@ static int cryptd_create_skcipher(struct crypto_template *tmpl, if (err) goto err_free_inst; - alg = crypto_spawn_skcipher_alg(&ctx->spawn); + alg = crypto_spawn_skcipher_alg_common(&ctx->spawn); err = cryptd_init_instance(skcipher_crypto_instance(inst), &alg->base); if (err) goto err_free_inst; inst->alg.base.cra_flags |= CRYPTO_ALG_ASYNC | (alg->base.cra_flags & CRYPTO_ALG_INTERNAL); - inst->alg.ivsize = crypto_skcipher_alg_ivsize(alg); - inst->alg.chunksize = crypto_skcipher_alg_chunksize(alg); - inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(alg); - inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(alg); + inst->alg.ivsize = alg->ivsize; + inst->alg.chunksize = alg->chunksize; + inst->alg.min_keysize = alg->min_keysize; + inst->alg.max_keysize = alg->max_keysize; inst->alg.base.cra_ctxsize = sizeof(struct cryptd_skcipher_ctx); @@ -929,7 +935,7 @@ static int cryptd_create(struct crypto_template *tmpl, struct rtattr **tb) return PTR_ERR(algt); switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) { - case CRYPTO_ALG_TYPE_SKCIPHER: + case CRYPTO_ALG_TYPE_LSKCIPHER: return cryptd_create_skcipher(tmpl, tb, algt, &queue); case CRYPTO_ALG_TYPE_HASH: return cryptd_create_hash(tmpl, tb, algt, &queue); @@ -1109,7 +1115,8 @@ static int __init cryptd_init(void) { int err; - cryptd_wq = alloc_workqueue("cryptd", WQ_MEM_RECLAIM | WQ_CPU_INTENSIVE, + cryptd_wq = alloc_workqueue("cryptd", + WQ_MEM_RECLAIM | WQ_CPU_INTENSIVE | WQ_PERCPU, 1); if (!cryptd_wq) return -ENOMEM; @@ -1138,7 +1145,7 @@ static void __exit cryptd_exit(void) crypto_unregister_template(&cryptd_tmpl); } -subsys_initcall(cryptd_init); +module_init(cryptd_init); module_exit(cryptd_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/crypto_engine.c b/crypto/crypto_engine.c index 74fcc0897041..18e1689efe12 100644 --- a/crypto/crypto_engine.c +++ b/crypto/crypto_engine.c @@ -7,15 +7,27 @@ * Author: Baolin Wang <baolin.wang@linaro.org> */ +#include <crypto/internal/aead.h> +#include <crypto/internal/akcipher.h> +#include <crypto/internal/engine.h> +#include <crypto/internal/hash.h> +#include <crypto/internal/kpp.h> +#include <crypto/internal/skcipher.h> #include <linux/err.h> #include <linux/delay.h> #include <linux/device.h> -#include <crypto/engine.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <uapi/linux/sched/types.h> #include "internal.h" #define CRYPTO_ENGINE_MAX_QLEN 10 +struct crypto_engine_alg { + struct crypto_alg base; + struct crypto_engine_op op; +}; + /** * crypto_finalize_request - finalize one request if the request is done * @engine: the hardware engine @@ -26,9 +38,6 @@ static void crypto_finalize_request(struct crypto_engine *engine, struct crypto_async_request *req, int err) { unsigned long flags; - bool finalize_req = false; - int ret; - struct crypto_engine_ctx *enginectx; /* * If hardware cannot enqueue more requests @@ -38,21 +47,11 @@ static void crypto_finalize_request(struct crypto_engine *engine, if (!engine->retry_support) { spin_lock_irqsave(&engine->queue_lock, flags); if (engine->cur_req == req) { - finalize_req = true; engine->cur_req = NULL; } spin_unlock_irqrestore(&engine->queue_lock, flags); } - if (finalize_req || engine->retry_support) { - enginectx = crypto_tfm_ctx(req->tfm); - if (enginectx->op.prepare_request && - enginectx->op.unprepare_request) { - ret = enginectx->op.unprepare_request(engine, req); - if (ret) - dev_err(engine->dev, "failed to unprepare request\n"); - } - } lockdep_assert_in_softirq(); crypto_request_complete(req, err); @@ -72,10 +71,10 @@ static void crypto_pump_requests(struct crypto_engine *engine, bool in_kthread) { struct crypto_async_request *async_req, *backlog; + struct crypto_engine_alg *alg; + struct crypto_engine_op *op; unsigned long flags; - bool was_busy = false; int ret; - struct crypto_engine_ctx *enginectx; spin_lock_irqsave(&engine->queue_lock, flags); @@ -83,12 +82,6 @@ static void crypto_pump_requests(struct crypto_engine *engine, if (!engine->retry_support && engine->cur_req) goto out; - /* If another context is idling then defer */ - if (engine->idling) { - kthread_queue_work(engine->kworker, &engine->pump_requests); - goto out; - } - /* Check if the engine queue is idle */ if (!crypto_queue_len(&engine->queue) || !engine->running) { if (!engine->busy) @@ -102,15 +95,6 @@ static void crypto_pump_requests(struct crypto_engine *engine, } engine->busy = false; - engine->idling = true; - spin_unlock_irqrestore(&engine->queue_lock, flags); - - if (engine->unprepare_crypt_hardware && - engine->unprepare_crypt_hardware(engine)) - dev_err(engine->dev, "failed to unprepare crypt hardware\n"); - - spin_lock_irqsave(&engine->queue_lock, flags); - engine->idling = false; goto out; } @@ -129,39 +113,15 @@ start_request: if (!engine->retry_support) engine->cur_req = async_req; - if (engine->busy) - was_busy = true; - else + if (!engine->busy) engine->busy = true; spin_unlock_irqrestore(&engine->queue_lock, flags); - /* Until here we get the request need to be encrypted successfully */ - if (!was_busy && engine->prepare_crypt_hardware) { - ret = engine->prepare_crypt_hardware(engine); - if (ret) { - dev_err(engine->dev, "failed to prepare crypt hardware\n"); - goto req_err_2; - } - } - - enginectx = crypto_tfm_ctx(async_req->tfm); - - if (enginectx->op.prepare_request) { - ret = enginectx->op.prepare_request(engine, async_req); - if (ret) { - dev_err(engine->dev, "failed to prepare request: %d\n", - ret); - goto req_err_2; - } - } - if (!enginectx->op.do_one_request) { - dev_err(engine->dev, "failed to do request\n"); - ret = -EINVAL; - goto req_err_1; - } - - ret = enginectx->op.do_one_request(engine, async_req); + alg = container_of(async_req->tfm->__crt_alg, + struct crypto_engine_alg, base); + op = &alg->op; + ret = op->do_one_request(engine, async_req); /* Request unsuccessfully executed by hardware */ if (ret < 0) { @@ -177,18 +137,6 @@ start_request: ret); goto req_err_1; } - /* - * If retry mechanism is supported, - * unprepare current request and - * enqueue it back into crypto-engine queue. - */ - if (enginectx->op.unprepare_request) { - ret = enginectx->op.unprepare_request(engine, - async_req); - if (ret) - dev_err(engine->dev, - "failed to unprepare request\n"); - } spin_lock_irqsave(&engine->queue_lock, flags); /* * If hardware was unable to execute request, enqueue it @@ -204,13 +152,6 @@ start_request: goto retry; req_err_1: - if (enginectx->op.unprepare_request) { - ret = enginectx->op.unprepare_request(engine, async_req); - if (ret) - dev_err(engine->dev, "failed to unprepare request\n"); - } - -req_err_2: crypto_request_complete(async_req, ret); retry: @@ -227,17 +168,6 @@ retry: out: spin_unlock_irqrestore(&engine->queue_lock, flags); - /* - * Batch requests is possible only if - * hardware can enqueue multiple requests - */ - if (engine->do_batch_requests) { - ret = engine->do_batch_requests(engine); - if (ret) - dev_err(engine->dev, "failed to do batch requests: %d\n", - ret); - } - return; } @@ -494,12 +424,6 @@ EXPORT_SYMBOL_GPL(crypto_engine_stop); * crypto-engine queue. * @dev: the device attached with one hardware engine * @retry_support: whether hardware has support for retry mechanism - * @cbk_do_batch: pointer to a callback function to be invoked when executing - * a batch of requests. - * This has the form: - * callback(struct crypto_engine *engine) - * where: - * engine: the crypto engine structure. * @rt: whether this queue is set to run as a realtime task * @qlen: maximum size of the crypto-engine queue * @@ -508,7 +432,6 @@ EXPORT_SYMBOL_GPL(crypto_engine_stop); */ struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev, bool retry_support, - int (*cbk_do_batch)(struct crypto_engine *engine), bool rt, int qlen) { struct crypto_engine *engine; @@ -524,14 +447,8 @@ struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev, engine->rt = rt; engine->running = false; engine->busy = false; - engine->idling = false; engine->retry_support = retry_support; engine->priv_data = dev; - /* - * Batch requests is possible only if - * hardware has support for retry mechanism. - */ - engine->do_batch_requests = retry_support ? cbk_do_batch : NULL; snprintf(engine->name, sizeof(engine->name), "%s-engine", dev_name(dev)); @@ -539,7 +456,7 @@ struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev, crypto_init_queue(&engine->queue, qlen); spin_lock_init(&engine->queue_lock); - engine->kworker = kthread_create_worker(0, "%s", engine->name); + engine->kworker = kthread_run_worker(0, "%s", engine->name); if (IS_ERR(engine->kworker)) { dev_err(dev, "failed to create crypto request pump task\n"); return NULL; @@ -566,7 +483,7 @@ EXPORT_SYMBOL_GPL(crypto_engine_alloc_init_and_set); */ struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt) { - return crypto_engine_alloc_init_and_set(dev, false, NULL, rt, + return crypto_engine_alloc_init_and_set(dev, false, rt, CRYPTO_ENGINE_MAX_QLEN); } EXPORT_SYMBOL_GPL(crypto_engine_alloc_init); @@ -574,22 +491,175 @@ EXPORT_SYMBOL_GPL(crypto_engine_alloc_init); /** * crypto_engine_exit - free the resources of hardware engine when exit * @engine: the hardware engine need to be freed - * - * Return 0 for success. */ -int crypto_engine_exit(struct crypto_engine *engine) +void crypto_engine_exit(struct crypto_engine *engine) { int ret; ret = crypto_engine_stop(engine); if (ret) - return ret; + return; kthread_destroy_worker(engine->kworker); +} +EXPORT_SYMBOL_GPL(crypto_engine_exit); + +int crypto_engine_register_aead(struct aead_engine_alg *alg) +{ + if (!alg->op.do_one_request) + return -EINVAL; + return crypto_register_aead(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_register_aead); + +void crypto_engine_unregister_aead(struct aead_engine_alg *alg) +{ + crypto_unregister_aead(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_unregister_aead); + +int crypto_engine_register_aeads(struct aead_engine_alg *algs, int count) +{ + int i, ret; + + for (i = 0; i < count; i++) { + ret = crypto_engine_register_aead(&algs[i]); + if (ret) + goto err; + } return 0; + +err: + crypto_engine_unregister_aeads(algs, i); + + return ret; } -EXPORT_SYMBOL_GPL(crypto_engine_exit); +EXPORT_SYMBOL_GPL(crypto_engine_register_aeads); + +void crypto_engine_unregister_aeads(struct aead_engine_alg *algs, int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_engine_unregister_aead(&algs[i]); +} +EXPORT_SYMBOL_GPL(crypto_engine_unregister_aeads); + +int crypto_engine_register_ahash(struct ahash_engine_alg *alg) +{ + if (!alg->op.do_one_request) + return -EINVAL; + return crypto_register_ahash(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_register_ahash); + +void crypto_engine_unregister_ahash(struct ahash_engine_alg *alg) +{ + crypto_unregister_ahash(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_unregister_ahash); + +int crypto_engine_register_ahashes(struct ahash_engine_alg *algs, int count) +{ + int i, ret; + + for (i = 0; i < count; i++) { + ret = crypto_engine_register_ahash(&algs[i]); + if (ret) + goto err; + } + + return 0; + +err: + crypto_engine_unregister_ahashes(algs, i); + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_engine_register_ahashes); + +void crypto_engine_unregister_ahashes(struct ahash_engine_alg *algs, + int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_engine_unregister_ahash(&algs[i]); +} +EXPORT_SYMBOL_GPL(crypto_engine_unregister_ahashes); + +int crypto_engine_register_akcipher(struct akcipher_engine_alg *alg) +{ + if (!alg->op.do_one_request) + return -EINVAL; + return crypto_register_akcipher(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_register_akcipher); + +void crypto_engine_unregister_akcipher(struct akcipher_engine_alg *alg) +{ + crypto_unregister_akcipher(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_unregister_akcipher); + +int crypto_engine_register_kpp(struct kpp_engine_alg *alg) +{ + if (!alg->op.do_one_request) + return -EINVAL; + return crypto_register_kpp(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_register_kpp); + +void crypto_engine_unregister_kpp(struct kpp_engine_alg *alg) +{ + crypto_unregister_kpp(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_unregister_kpp); + +int crypto_engine_register_skcipher(struct skcipher_engine_alg *alg) +{ + if (!alg->op.do_one_request) + return -EINVAL; + return crypto_register_skcipher(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_register_skcipher); + +void crypto_engine_unregister_skcipher(struct skcipher_engine_alg *alg) +{ + return crypto_unregister_skcipher(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_engine_unregister_skcipher); + +int crypto_engine_register_skciphers(struct skcipher_engine_alg *algs, + int count) +{ + int i, ret; + + for (i = 0; i < count; i++) { + ret = crypto_engine_register_skcipher(&algs[i]); + if (ret) + goto err; + } + + return 0; + +err: + crypto_engine_unregister_skciphers(algs, i); + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_engine_register_skciphers); + +void crypto_engine_unregister_skciphers(struct skcipher_engine_alg *algs, + int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_engine_unregister_skcipher(&algs[i]); +} +EXPORT_SYMBOL_GPL(crypto_engine_unregister_skciphers); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Crypto hardware engine framework"); diff --git a/crypto/crypto_null.c b/crypto/crypto_null.c index 5b84b0f7cc17..34588f39fdfc 100644 --- a/crypto/crypto_null.c +++ b/crypto/crypto_null.c @@ -15,25 +15,11 @@ #include <crypto/null.h> #include <crypto/internal/hash.h> #include <crypto/internal/skcipher.h> +#include <crypto/scatterwalk.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/mm.h> #include <linux/string.h> -static DEFINE_MUTEX(crypto_default_null_skcipher_lock); -static struct crypto_sync_skcipher *crypto_default_null_skcipher; -static int crypto_default_null_skcipher_refcnt; - -static int null_compress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - if (slen > *dlen) - return -EINVAL; - memcpy(dst, src, slen); - *dlen = slen; - return 0; -} - static int null_init(struct shash_desc *desc) { return 0; @@ -75,19 +61,9 @@ static void null_crypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) static int null_skcipher_crypt(struct skcipher_request *req) { - struct skcipher_walk walk; - int err; - - err = skcipher_walk_virt(&walk, req, false); - - while (walk.nbytes) { - if (walk.src.virt.addr != walk.dst.virt.addr) - memcpy(walk.dst.virt.addr, walk.src.virt.addr, - walk.nbytes); - err = skcipher_walk_done(&walk, 0); - } - - return err; + if (req->src != req->dst) + memcpy_sglist(req->dst, req->src, req->cryptlen); + return 0; } static struct shash_alg digest_null = { @@ -121,7 +97,7 @@ static struct skcipher_alg skcipher_null = { .decrypt = null_skcipher_crypt, }; -static struct crypto_alg null_algs[] = { { +static struct crypto_alg cipher_null = { .cra_name = "cipher_null", .cra_driver_name = "cipher_null-generic", .cra_flags = CRYPTO_ALG_TYPE_CIPHER, @@ -134,62 +110,16 @@ static struct crypto_alg null_algs[] = { { .cia_setkey = null_setkey, .cia_encrypt = null_crypt, .cia_decrypt = null_crypt } } -}, { - .cra_name = "compress_null", - .cra_driver_name = "compress_null-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_blocksize = NULL_BLOCK_SIZE, - .cra_ctxsize = 0, - .cra_module = THIS_MODULE, - .cra_u = { .compress = { - .coa_compress = null_compress, - .coa_decompress = null_compress } } -} }; +}; -MODULE_ALIAS_CRYPTO("compress_null"); MODULE_ALIAS_CRYPTO("digest_null"); MODULE_ALIAS_CRYPTO("cipher_null"); -struct crypto_sync_skcipher *crypto_get_default_null_skcipher(void) -{ - struct crypto_sync_skcipher *tfm; - - mutex_lock(&crypto_default_null_skcipher_lock); - tfm = crypto_default_null_skcipher; - - if (!tfm) { - tfm = crypto_alloc_sync_skcipher("ecb(cipher_null)", 0, 0); - if (IS_ERR(tfm)) - goto unlock; - - crypto_default_null_skcipher = tfm; - } - - crypto_default_null_skcipher_refcnt++; - -unlock: - mutex_unlock(&crypto_default_null_skcipher_lock); - - return tfm; -} -EXPORT_SYMBOL_GPL(crypto_get_default_null_skcipher); - -void crypto_put_default_null_skcipher(void) -{ - mutex_lock(&crypto_default_null_skcipher_lock); - if (!--crypto_default_null_skcipher_refcnt) { - crypto_free_sync_skcipher(crypto_default_null_skcipher); - crypto_default_null_skcipher = NULL; - } - mutex_unlock(&crypto_default_null_skcipher_lock); -} -EXPORT_SYMBOL_GPL(crypto_put_default_null_skcipher); - static int __init crypto_null_mod_init(void) { int ret = 0; - ret = crypto_register_algs(null_algs, ARRAY_SIZE(null_algs)); + ret = crypto_register_alg(&cipher_null); if (ret < 0) goto out; @@ -206,19 +136,19 @@ static int __init crypto_null_mod_init(void) out_unregister_shash: crypto_unregister_shash(&digest_null); out_unregister_algs: - crypto_unregister_algs(null_algs, ARRAY_SIZE(null_algs)); + crypto_unregister_alg(&cipher_null); out: return ret; } static void __exit crypto_null_mod_fini(void) { - crypto_unregister_algs(null_algs, ARRAY_SIZE(null_algs)); + crypto_unregister_alg(&cipher_null); crypto_unregister_shash(&digest_null); crypto_unregister_skcipher(&skcipher_null); } -subsys_initcall(crypto_null_mod_init); +module_init(crypto_null_mod_init); module_exit(crypto_null_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/crypto_user_base.c b/crypto/crypto_user.c index 3fa20f12989f..aad429bef03e 100644 --- a/crypto/crypto_user_base.c +++ b/crypto/crypto_user.c @@ -18,7 +18,6 @@ #include <crypto/internal/rng.h> #include <crypto/akcipher.h> #include <crypto/kpp.h> -#include <crypto/internal/cryptouser.h> #include "internal.h" @@ -33,7 +32,7 @@ struct crypto_dump_info { u16 nlmsg_flags; }; -struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact) +static struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact) { struct crypto_alg *q, *alg = NULL; @@ -85,17 +84,6 @@ static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg) sizeof(rcipher), &rcipher); } -static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg) -{ - struct crypto_report_comp rcomp; - - memset(&rcomp, 0, sizeof(rcomp)); - - strscpy(rcomp.type, "compression", sizeof(rcomp.type)); - - return nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS, sizeof(rcomp), &rcomp); -} - static int crypto_report_one(struct crypto_alg *alg, struct crypto_user_alg *ualg, struct sk_buff *skb) { @@ -137,11 +125,6 @@ static int crypto_report_one(struct crypto_alg *alg, goto nla_put_failure; break; - case CRYPTO_ALG_TYPE_COMPRESS: - if (crypto_report_comp(skb, alg)) - goto nla_put_failure; - - break; } out: @@ -387,6 +370,13 @@ static int crypto_del_rng(struct sk_buff *skb, struct nlmsghdr *nlh, return crypto_del_default_rng(); } +static int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, + struct nlattr **attrs) +{ + /* No longer supported */ + return -ENOTSUPP; +} + #define MSGSIZE(type) sizeof(struct type) static const int crypto_msg_min[CRYPTO_NR_MSGTYPES] = { diff --git a/crypto/crypto_user_stat.c b/crypto/crypto_user_stat.c deleted file mode 100644 index d4f3d39b5137..000000000000 --- a/crypto/crypto_user_stat.c +++ /dev/null @@ -1,176 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Crypto user configuration API. - * - * Copyright (C) 2017-2018 Corentin Labbe <clabbe@baylibre.com> - * - */ - -#include <crypto/algapi.h> -#include <crypto/internal/cryptouser.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> -#include <net/netlink.h> -#include <net/sock.h> - -#define null_terminated(x) (strnlen(x, sizeof(x)) < sizeof(x)) - -struct crypto_dump_info { - struct sk_buff *in_skb; - struct sk_buff *out_skb; - u32 nlmsg_seq; - u16 nlmsg_flags; -}; - -static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg) -{ - struct crypto_stat_cipher rcipher; - - memset(&rcipher, 0, sizeof(rcipher)); - - strscpy(rcipher.type, "cipher", sizeof(rcipher.type)); - - return nla_put(skb, CRYPTOCFGA_STAT_CIPHER, sizeof(rcipher), &rcipher); -} - -static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg) -{ - struct crypto_stat_compress rcomp; - - memset(&rcomp, 0, sizeof(rcomp)); - - strscpy(rcomp.type, "compression", sizeof(rcomp.type)); - - return nla_put(skb, CRYPTOCFGA_STAT_COMPRESS, sizeof(rcomp), &rcomp); -} - -static int crypto_reportstat_one(struct crypto_alg *alg, - struct crypto_user_alg *ualg, - struct sk_buff *skb) -{ - memset(ualg, 0, sizeof(*ualg)); - - strscpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name)); - strscpy(ualg->cru_driver_name, alg->cra_driver_name, - sizeof(ualg->cru_driver_name)); - strscpy(ualg->cru_module_name, module_name(alg->cra_module), - sizeof(ualg->cru_module_name)); - - ualg->cru_type = 0; - ualg->cru_mask = 0; - ualg->cru_flags = alg->cra_flags; - ualg->cru_refcnt = refcount_read(&alg->cra_refcnt); - - if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority)) - goto nla_put_failure; - if (alg->cra_flags & CRYPTO_ALG_LARVAL) { - struct crypto_stat_larval rl; - - memset(&rl, 0, sizeof(rl)); - strscpy(rl.type, "larval", sizeof(rl.type)); - if (nla_put(skb, CRYPTOCFGA_STAT_LARVAL, sizeof(rl), &rl)) - goto nla_put_failure; - goto out; - } - - if (alg->cra_type && alg->cra_type->report_stat) { - if (alg->cra_type->report_stat(skb, alg)) - goto nla_put_failure; - goto out; - } - - switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) { - case CRYPTO_ALG_TYPE_CIPHER: - if (crypto_report_cipher(skb, alg)) - goto nla_put_failure; - break; - case CRYPTO_ALG_TYPE_COMPRESS: - if (crypto_report_comp(skb, alg)) - goto nla_put_failure; - break; - default: - pr_err("ERROR: Unhandled alg %d in %s\n", - alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL), - __func__); - } - -out: - return 0; - -nla_put_failure: - return -EMSGSIZE; -} - -static int crypto_reportstat_alg(struct crypto_alg *alg, - struct crypto_dump_info *info) -{ - struct sk_buff *in_skb = info->in_skb; - struct sk_buff *skb = info->out_skb; - struct nlmsghdr *nlh; - struct crypto_user_alg *ualg; - int err = 0; - - nlh = nlmsg_put(skb, NETLINK_CB(in_skb).portid, info->nlmsg_seq, - CRYPTO_MSG_GETSTAT, sizeof(*ualg), info->nlmsg_flags); - if (!nlh) { - err = -EMSGSIZE; - goto out; - } - - ualg = nlmsg_data(nlh); - - err = crypto_reportstat_one(alg, ualg, skb); - if (err) { - nlmsg_cancel(skb, nlh); - goto out; - } - - nlmsg_end(skb, nlh); - -out: - return err; -} - -int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, - struct nlattr **attrs) -{ - struct net *net = sock_net(in_skb->sk); - struct crypto_user_alg *p = nlmsg_data(in_nlh); - struct crypto_alg *alg; - struct sk_buff *skb; - struct crypto_dump_info info; - int err; - - if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) - return -EINVAL; - - alg = crypto_alg_match(p, 0); - if (!alg) - return -ENOENT; - - err = -ENOMEM; - skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); - if (!skb) - goto drop_alg; - - info.in_skb = in_skb; - info.out_skb = skb; - info.nlmsg_seq = in_nlh->nlmsg_seq; - info.nlmsg_flags = 0; - - err = crypto_reportstat_alg(alg, &info); - -drop_alg: - crypto_mod_put(alg); - - if (err) { - kfree_skb(skb); - return err; - } - - return nlmsg_unicast(net->crypto_nlsk, skb, NETLINK_CB(in_skb).portid); -} - -MODULE_LICENSE("GPL"); diff --git a/crypto/ctr.c b/crypto/ctr.c index 23c698b22013..a388f0ceb3a0 100644 --- a/crypto/ctr.c +++ b/crypto/ctr.c @@ -33,7 +33,7 @@ static void crypto_ctr_crypt_final(struct skcipher_walk *walk, u8 *ctrblk = walk->iv; u8 tmp[MAX_CIPHER_BLOCKSIZE + MAX_CIPHER_ALIGNMASK]; u8 *keystream = PTR_ALIGN(tmp + 0, alignmask + 1); - u8 *src = walk->src.virt.addr; + const u8 *src = walk->src.virt.addr; u8 *dst = walk->dst.virt.addr; unsigned int nbytes = walk->nbytes; @@ -50,7 +50,7 @@ static int crypto_ctr_crypt_segment(struct skcipher_walk *walk, crypto_cipher_alg(tfm)->cia_encrypt; unsigned int bsize = crypto_cipher_blocksize(tfm); u8 *ctrblk = walk->iv; - u8 *src = walk->src.virt.addr; + const u8 *src = walk->src.virt.addr; u8 *dst = walk->dst.virt.addr; unsigned int nbytes = walk->nbytes; @@ -77,20 +77,20 @@ static int crypto_ctr_crypt_inplace(struct skcipher_walk *walk, unsigned int bsize = crypto_cipher_blocksize(tfm); unsigned long alignmask = crypto_cipher_alignmask(tfm); unsigned int nbytes = walk->nbytes; + u8 *dst = walk->dst.virt.addr; u8 *ctrblk = walk->iv; - u8 *src = walk->src.virt.addr; u8 tmp[MAX_CIPHER_BLOCKSIZE + MAX_CIPHER_ALIGNMASK]; u8 *keystream = PTR_ALIGN(tmp + 0, alignmask + 1); do { /* create keystream */ fn(crypto_cipher_tfm(tfm), keystream, ctrblk); - crypto_xor(src, keystream, bsize); + crypto_xor(dst, keystream, bsize); /* increment counter in counterblock */ crypto_inc(ctrblk, bsize); - src += bsize; + dst += bsize; } while ((nbytes -= bsize) >= bsize); return nbytes; @@ -258,8 +258,8 @@ static int crypto_rfc3686_create(struct crypto_template *tmpl, struct rtattr **tb) { struct skcipher_instance *inst; - struct skcipher_alg *alg; struct crypto_skcipher_spawn *spawn; + struct skcipher_alg_common *alg; u32 mask; int err; @@ -278,11 +278,11 @@ static int crypto_rfc3686_create(struct crypto_template *tmpl, if (err) goto err_free_inst; - alg = crypto_spawn_skcipher_alg(spawn); + alg = crypto_spawn_skcipher_alg_common(spawn); /* We only support 16-byte blocks. */ err = -EINVAL; - if (crypto_skcipher_alg_ivsize(alg) != CTR_RFC3686_BLOCK_SIZE) + if (alg->ivsize != CTR_RFC3686_BLOCK_SIZE) goto err_free_inst; /* Not a stream cipher? */ @@ -303,11 +303,9 @@ static int crypto_rfc3686_create(struct crypto_template *tmpl, inst->alg.base.cra_alignmask = alg->base.cra_alignmask; inst->alg.ivsize = CTR_RFC3686_IV_SIZE; - inst->alg.chunksize = crypto_skcipher_alg_chunksize(alg); - inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(alg) + - CTR_RFC3686_NONCE_SIZE; - inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(alg) + - CTR_RFC3686_NONCE_SIZE; + inst->alg.chunksize = alg->chunksize; + inst->alg.min_keysize = alg->min_keysize + CTR_RFC3686_NONCE_SIZE; + inst->alg.max_keysize = alg->max_keysize + CTR_RFC3686_NONCE_SIZE; inst->alg.setkey = crypto_rfc3686_setkey; inst->alg.encrypt = crypto_rfc3686_crypt; @@ -352,11 +350,11 @@ static void __exit crypto_ctr_module_exit(void) ARRAY_SIZE(crypto_ctr_tmpls)); } -subsys_initcall(crypto_ctr_module_init); +module_init(crypto_ctr_module_init); module_exit(crypto_ctr_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CTR block cipher mode of operation"); MODULE_ALIAS_CRYPTO("rfc3686"); MODULE_ALIAS_CRYPTO("ctr"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/cts.c b/crypto/cts.c index 8f604f6554b1..48898d5e24ff 100644 --- a/crypto/cts.c +++ b/crypto/cts.c @@ -324,8 +324,8 @@ static void crypto_cts_free(struct skcipher_instance *inst) static int crypto_cts_create(struct crypto_template *tmpl, struct rtattr **tb) { struct crypto_skcipher_spawn *spawn; + struct skcipher_alg_common *alg; struct skcipher_instance *inst; - struct skcipher_alg *alg; u32 mask; int err; @@ -344,10 +344,10 @@ static int crypto_cts_create(struct crypto_template *tmpl, struct rtattr **tb) if (err) goto err_free_inst; - alg = crypto_spawn_skcipher_alg(spawn); + alg = crypto_spawn_skcipher_alg_common(spawn); err = -EINVAL; - if (crypto_skcipher_alg_ivsize(alg) != alg->base.cra_blocksize) + if (alg->ivsize != alg->base.cra_blocksize) goto err_free_inst; if (strncmp(alg->base.cra_name, "cbc(", 4)) @@ -363,9 +363,9 @@ static int crypto_cts_create(struct crypto_template *tmpl, struct rtattr **tb) inst->alg.base.cra_alignmask = alg->base.cra_alignmask; inst->alg.ivsize = alg->base.cra_blocksize; - inst->alg.chunksize = crypto_skcipher_alg_chunksize(alg); - inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(alg); - inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(alg); + inst->alg.chunksize = alg->chunksize; + inst->alg.min_keysize = alg->min_keysize; + inst->alg.max_keysize = alg->max_keysize; inst->alg.base.cra_ctxsize = sizeof(struct crypto_cts_ctx); @@ -402,7 +402,7 @@ static void __exit crypto_cts_module_exit(void) crypto_unregister_template(&crypto_cts_tmpl); } -subsys_initcall(crypto_cts_module_init); +module_init(crypto_cts_module_init); module_exit(crypto_cts_module_exit); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/crypto/curve25519-generic.c b/crypto/curve25519-generic.c deleted file mode 100644 index d055b0784c77..000000000000 --- a/crypto/curve25519-generic.c +++ /dev/null @@ -1,90 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <crypto/curve25519.h> -#include <crypto/internal/kpp.h> -#include <crypto/kpp.h> -#include <linux/module.h> -#include <linux/scatterlist.h> - -static int curve25519_set_secret(struct crypto_kpp *tfm, const void *buf, - unsigned int len) -{ - u8 *secret = kpp_tfm_ctx(tfm); - - if (!len) - curve25519_generate_secret(secret); - else if (len == CURVE25519_KEY_SIZE && - crypto_memneq(buf, curve25519_null_point, CURVE25519_KEY_SIZE)) - memcpy(secret, buf, CURVE25519_KEY_SIZE); - else - return -EINVAL; - return 0; -} - -static int curve25519_compute_value(struct kpp_request *req) -{ - struct crypto_kpp *tfm = crypto_kpp_reqtfm(req); - const u8 *secret = kpp_tfm_ctx(tfm); - u8 public_key[CURVE25519_KEY_SIZE]; - u8 buf[CURVE25519_KEY_SIZE]; - int copied, nbytes; - u8 const *bp; - - if (req->src) { - copied = sg_copy_to_buffer(req->src, - sg_nents_for_len(req->src, - CURVE25519_KEY_SIZE), - public_key, CURVE25519_KEY_SIZE); - if (copied != CURVE25519_KEY_SIZE) - return -EINVAL; - bp = public_key; - } else { - bp = curve25519_base_point; - } - - curve25519_generic(buf, secret, bp); - - /* might want less than we've got */ - nbytes = min_t(size_t, CURVE25519_KEY_SIZE, req->dst_len); - copied = sg_copy_from_buffer(req->dst, sg_nents_for_len(req->dst, - nbytes), - buf, nbytes); - if (copied != nbytes) - return -EINVAL; - return 0; -} - -static unsigned int curve25519_max_size(struct crypto_kpp *tfm) -{ - return CURVE25519_KEY_SIZE; -} - -static struct kpp_alg curve25519_alg = { - .base.cra_name = "curve25519", - .base.cra_driver_name = "curve25519-generic", - .base.cra_priority = 100, - .base.cra_module = THIS_MODULE, - .base.cra_ctxsize = CURVE25519_KEY_SIZE, - - .set_secret = curve25519_set_secret, - .generate_public_key = curve25519_compute_value, - .compute_shared_secret = curve25519_compute_value, - .max_size = curve25519_max_size, -}; - -static int __init curve25519_init(void) -{ - return crypto_register_kpp(&curve25519_alg); -} - -static void __exit curve25519_exit(void) -{ - crypto_unregister_kpp(&curve25519_alg); -} - -subsys_initcall(curve25519_init); -module_exit(curve25519_exit); - -MODULE_ALIAS_CRYPTO("curve25519"); -MODULE_ALIAS_CRYPTO("curve25519-generic"); -MODULE_LICENSE("GPL"); diff --git a/crypto/deflate.c b/crypto/deflate.c index b2a46f6dc961..a3e1fff55661 100644 --- a/crypto/deflate.c +++ b/crypto/deflate.c @@ -6,335 +6,256 @@ * by IPCOMP (RFC 3173 & RFC 2394). * * Copyright (c) 2003 James Morris <jmorris@intercode.com.au> - * - * FIXME: deflate transforms will require up to a total of about 436k of kernel - * memory on i386 (390k for compression, the rest for decompression), as the - * current zlib kernel code uses a worst case pre-allocation system by default. - * This needs to be fixed so that the amount of memory required is properly - * related to the winbits and memlevel parameters. - * - * The default winbits of 11 should suit most packets, and it may be something - * to configure on a per-tfm basis in the future. - * - * Currently, compression history is not maintained between tfm calls, as - * it is not needed for IPCOMP and keeps the code simpler. It can be - * implemented if someone wants it. + * Copyright (c) 2023 Google, LLC. <ardb@kernel.org> + * Copyright (c) 2025 Herbert Xu <herbert@gondor.apana.org.au> */ +#include <crypto/internal/acompress.h> +#include <crypto/scatterwalk.h> #include <linux/init.h> +#include <linux/kernel.h> #include <linux/module.h> -#include <linux/crypto.h> +#include <linux/mutex.h> +#include <linux/overflow.h> +#include <linux/percpu.h> +#include <linux/scatterlist.h> +#include <linux/slab.h> +#include <linux/spinlock.h> #include <linux/zlib.h> -#include <linux/vmalloc.h> -#include <linux/interrupt.h> -#include <linux/mm.h> -#include <linux/net.h> -#include <crypto/internal/scompress.h> #define DEFLATE_DEF_LEVEL Z_DEFAULT_COMPRESSION #define DEFLATE_DEF_WINBITS 11 #define DEFLATE_DEF_MEMLEVEL MAX_MEM_LEVEL -struct deflate_ctx { - struct z_stream_s comp_stream; - struct z_stream_s decomp_stream; +struct deflate_stream { + struct z_stream_s stream; + u8 workspace[]; }; -static int deflate_comp_init(struct deflate_ctx *ctx, int format) +static DEFINE_MUTEX(deflate_stream_lock); + +static void *deflate_alloc_stream(void) { - int ret = 0; - struct z_stream_s *stream = &ctx->comp_stream; + size_t size = max(zlib_inflate_workspacesize(), + zlib_deflate_workspacesize(-DEFLATE_DEF_WINBITS, + DEFLATE_DEF_MEMLEVEL)); + struct deflate_stream *ctx; - stream->workspace = vzalloc(zlib_deflate_workspacesize( - MAX_WBITS, MAX_MEM_LEVEL)); - if (!stream->workspace) { - ret = -ENOMEM; - goto out; - } - if (format) - ret = zlib_deflateInit(stream, 3); - else - ret = zlib_deflateInit2(stream, DEFLATE_DEF_LEVEL, Z_DEFLATED, - -DEFLATE_DEF_WINBITS, - DEFLATE_DEF_MEMLEVEL, - Z_DEFAULT_STRATEGY); - if (ret != Z_OK) { - ret = -EINVAL; - goto out_free; - } -out: - return ret; -out_free: - vfree(stream->workspace); - goto out; -} + ctx = kvmalloc(struct_size(ctx, workspace, size), GFP_KERNEL); + if (!ctx) + return ERR_PTR(-ENOMEM); -static int deflate_decomp_init(struct deflate_ctx *ctx, int format) -{ - int ret = 0; - struct z_stream_s *stream = &ctx->decomp_stream; + ctx->stream.workspace = ctx->workspace; - stream->workspace = vzalloc(zlib_inflate_workspacesize()); - if (!stream->workspace) { - ret = -ENOMEM; - goto out; - } - if (format) - ret = zlib_inflateInit(stream); - else - ret = zlib_inflateInit2(stream, -DEFLATE_DEF_WINBITS); - if (ret != Z_OK) { - ret = -EINVAL; - goto out_free; - } -out: - return ret; -out_free: - vfree(stream->workspace); - goto out; + return ctx; } -static void deflate_comp_exit(struct deflate_ctx *ctx) +static void deflate_free_stream(void *ctx) { - zlib_deflateEnd(&ctx->comp_stream); - vfree(ctx->comp_stream.workspace); + kvfree(ctx); } -static void deflate_decomp_exit(struct deflate_ctx *ctx) -{ - zlib_inflateEnd(&ctx->decomp_stream); - vfree(ctx->decomp_stream.workspace); -} +static struct crypto_acomp_streams deflate_streams = { + .alloc_ctx = deflate_alloc_stream, + .free_ctx = deflate_free_stream, +}; -static int __deflate_init(void *ctx, int format) +static int deflate_compress_one(struct acomp_req *req, + struct deflate_stream *ds) { + struct z_stream_s *stream = &ds->stream; + struct acomp_walk walk; int ret; - ret = deflate_comp_init(ctx, format); + ret = acomp_walk_virt(&walk, req, true); if (ret) - goto out; - ret = deflate_decomp_init(ctx, format); - if (ret) - deflate_comp_exit(ctx); -out: - return ret; -} - -static void *gen_deflate_alloc_ctx(struct crypto_scomp *tfm, int format) -{ - struct deflate_ctx *ctx; - int ret; + return ret; - ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return ERR_PTR(-ENOMEM); + do { + unsigned int dcur; - ret = __deflate_init(ctx, format); - if (ret) { - kfree(ctx); - return ERR_PTR(ret); - } + dcur = acomp_walk_next_dst(&walk); + if (!dcur) + return -ENOSPC; - return ctx; -} + stream->avail_out = dcur; + stream->next_out = walk.dst.virt.addr; -static void *deflate_alloc_ctx(struct crypto_scomp *tfm) -{ - return gen_deflate_alloc_ctx(tfm, 0); -} + do { + int flush = Z_FINISH; + unsigned int scur; -static void *zlib_deflate_alloc_ctx(struct crypto_scomp *tfm) -{ - return gen_deflate_alloc_ctx(tfm, 1); -} + stream->avail_in = 0; + stream->next_in = NULL; -static int deflate_init(struct crypto_tfm *tfm) -{ - struct deflate_ctx *ctx = crypto_tfm_ctx(tfm); + scur = acomp_walk_next_src(&walk); + if (scur) { + if (acomp_walk_more_src(&walk, scur)) + flush = Z_NO_FLUSH; + stream->avail_in = scur; + stream->next_in = walk.src.virt.addr; + } - return __deflate_init(ctx, 0); -} + ret = zlib_deflate(stream, flush); -static void __deflate_exit(void *ctx) -{ - deflate_comp_exit(ctx); - deflate_decomp_exit(ctx); -} + if (scur) { + scur -= stream->avail_in; + acomp_walk_done_src(&walk, scur); + } + } while (ret == Z_OK && stream->avail_out); -static void deflate_free_ctx(struct crypto_scomp *tfm, void *ctx) -{ - __deflate_exit(ctx); - kfree_sensitive(ctx); -} + acomp_walk_done_dst(&walk, dcur); + } while (ret == Z_OK); -static void deflate_exit(struct crypto_tfm *tfm) -{ - struct deflate_ctx *ctx = crypto_tfm_ctx(tfm); + if (ret != Z_STREAM_END) + return -EINVAL; - __deflate_exit(ctx); + req->dlen = stream->total_out; + return 0; } -static int __deflate_compress(const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen, void *ctx) +static int deflate_compress(struct acomp_req *req) { - int ret = 0; - struct deflate_ctx *dctx = ctx; - struct z_stream_s *stream = &dctx->comp_stream; - - ret = zlib_deflateReset(stream); - if (ret != Z_OK) { - ret = -EINVAL; + struct crypto_acomp_stream *s; + struct deflate_stream *ds; + int err; + + s = crypto_acomp_lock_stream_bh(&deflate_streams); + ds = s->ctx; + + err = zlib_deflateInit2(&ds->stream, DEFLATE_DEF_LEVEL, Z_DEFLATED, + -DEFLATE_DEF_WINBITS, DEFLATE_DEF_MEMLEVEL, + Z_DEFAULT_STRATEGY); + if (err != Z_OK) { + err = -EINVAL; goto out; } - stream->next_in = (u8 *)src; - stream->avail_in = slen; - stream->next_out = (u8 *)dst; - stream->avail_out = *dlen; + err = deflate_compress_one(req, ds); - ret = zlib_deflate(stream, Z_FINISH); - if (ret != Z_STREAM_END) { - ret = -EINVAL; - goto out; - } - ret = 0; - *dlen = stream->total_out; out: - return ret; + crypto_acomp_unlock_stream_bh(s); + + return err; } -static int deflate_compress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) +static int deflate_decompress_one(struct acomp_req *req, + struct deflate_stream *ds) { - struct deflate_ctx *dctx = crypto_tfm_ctx(tfm); + struct z_stream_s *stream = &ds->stream; + bool out_of_space = false; + struct acomp_walk walk; + int ret; - return __deflate_compress(src, slen, dst, dlen, dctx); -} + ret = acomp_walk_virt(&walk, req, true); + if (ret) + return ret; -static int deflate_scompress(struct crypto_scomp *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen, - void *ctx) -{ - return __deflate_compress(src, slen, dst, dlen, ctx); + do { + unsigned int scur; + + stream->avail_in = 0; + stream->next_in = NULL; + + scur = acomp_walk_next_src(&walk); + if (scur) { + stream->avail_in = scur; + stream->next_in = walk.src.virt.addr; + } + + do { + unsigned int dcur; + + dcur = acomp_walk_next_dst(&walk); + if (!dcur) { + out_of_space = true; + break; + } + + stream->avail_out = dcur; + stream->next_out = walk.dst.virt.addr; + + ret = zlib_inflate(stream, Z_NO_FLUSH); + + dcur -= stream->avail_out; + acomp_walk_done_dst(&walk, dcur); + } while (ret == Z_OK && stream->avail_in); + + if (scur) + acomp_walk_done_src(&walk, scur); + + if (out_of_space) + return -ENOSPC; + } while (ret == Z_OK); + + if (ret != Z_STREAM_END) + return -EINVAL; + + req->dlen = stream->total_out; + return 0; } -static int __deflate_decompress(const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen, void *ctx) +static int deflate_decompress(struct acomp_req *req) { + struct crypto_acomp_stream *s; + struct deflate_stream *ds; + int err; - int ret = 0; - struct deflate_ctx *dctx = ctx; - struct z_stream_s *stream = &dctx->decomp_stream; + s = crypto_acomp_lock_stream_bh(&deflate_streams); + ds = s->ctx; - ret = zlib_inflateReset(stream); - if (ret != Z_OK) { - ret = -EINVAL; + err = zlib_inflateInit2(&ds->stream, -DEFLATE_DEF_WINBITS); + if (err != Z_OK) { + err = -EINVAL; goto out; } - stream->next_in = (u8 *)src; - stream->avail_in = slen; - stream->next_out = (u8 *)dst; - stream->avail_out = *dlen; - - ret = zlib_inflate(stream, Z_SYNC_FLUSH); - /* - * Work around a bug in zlib, which sometimes wants to taste an extra - * byte when being used in the (undocumented) raw deflate mode. - * (From USAGI). - */ - if (ret == Z_OK && !stream->avail_in && stream->avail_out) { - u8 zerostuff = 0; - stream->next_in = &zerostuff; - stream->avail_in = 1; - ret = zlib_inflate(stream, Z_FINISH); - } - if (ret != Z_STREAM_END) { - ret = -EINVAL; - goto out; - } - ret = 0; - *dlen = stream->total_out; + err = deflate_decompress_one(req, ds); + out: - return ret; + crypto_acomp_unlock_stream_bh(s); + + return err; } -static int deflate_decompress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) +static int deflate_init(struct crypto_acomp *tfm) { - struct deflate_ctx *dctx = crypto_tfm_ctx(tfm); + int ret; - return __deflate_decompress(src, slen, dst, dlen, dctx); -} + mutex_lock(&deflate_stream_lock); + ret = crypto_acomp_alloc_streams(&deflate_streams); + mutex_unlock(&deflate_stream_lock); -static int deflate_sdecompress(struct crypto_scomp *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen, - void *ctx) -{ - return __deflate_decompress(src, slen, dst, dlen, ctx); + return ret; } -static struct crypto_alg alg = { - .cra_name = "deflate", - .cra_driver_name = "deflate-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct deflate_ctx), - .cra_module = THIS_MODULE, - .cra_init = deflate_init, - .cra_exit = deflate_exit, - .cra_u = { .compress = { - .coa_compress = deflate_compress, - .coa_decompress = deflate_decompress } } +static struct acomp_alg acomp = { + .compress = deflate_compress, + .decompress = deflate_decompress, + .init = deflate_init, + .base.cra_name = "deflate", + .base.cra_driver_name = "deflate-generic", + .base.cra_flags = CRYPTO_ALG_REQ_VIRT, + .base.cra_module = THIS_MODULE, }; -static struct scomp_alg scomp[] = { { - .alloc_ctx = deflate_alloc_ctx, - .free_ctx = deflate_free_ctx, - .compress = deflate_scompress, - .decompress = deflate_sdecompress, - .base = { - .cra_name = "deflate", - .cra_driver_name = "deflate-scomp", - .cra_module = THIS_MODULE, - } -}, { - .alloc_ctx = zlib_deflate_alloc_ctx, - .free_ctx = deflate_free_ctx, - .compress = deflate_scompress, - .decompress = deflate_sdecompress, - .base = { - .cra_name = "zlib-deflate", - .cra_driver_name = "zlib-deflate-scomp", - .cra_module = THIS_MODULE, - } -} }; - static int __init deflate_mod_init(void) { - int ret; - - ret = crypto_register_alg(&alg); - if (ret) - return ret; - - ret = crypto_register_scomps(scomp, ARRAY_SIZE(scomp)); - if (ret) { - crypto_unregister_alg(&alg); - return ret; - } - - return ret; + return crypto_register_acomp(&acomp); } static void __exit deflate_mod_fini(void) { - crypto_unregister_alg(&alg); - crypto_unregister_scomps(scomp, ARRAY_SIZE(scomp)); + crypto_unregister_acomp(&acomp); + crypto_acomp_free_streams(&deflate_streams); } -subsys_initcall(deflate_mod_init); +module_init(deflate_mod_init); module_exit(deflate_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Deflate Compression Algorithm for IPCOMP"); MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>"); +MODULE_AUTHOR("Ard Biesheuvel <ardb@kernel.org>"); +MODULE_AUTHOR("Herbert Xu <herbert@gondor.apana.org.au>"); MODULE_ALIAS_CRYPTO("deflate"); +MODULE_ALIAS_CRYPTO("deflate-generic"); diff --git a/crypto/des_generic.c b/crypto/des_generic.c index 1274e18d3eb9..fce341400914 100644 --- a/crypto/des_generic.c +++ b/crypto/des_generic.c @@ -122,7 +122,7 @@ static void __exit des_generic_mod_fini(void) crypto_unregister_algs(des_algs, ARRAY_SIZE(des_algs)); } -subsys_initcall(des_generic_mod_init); +module_init(des_generic_mod_init); module_exit(des_generic_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/df_sp80090a.c b/crypto/df_sp80090a.c new file mode 100644 index 000000000000..dc63b31a93fc --- /dev/null +++ b/crypto/df_sp80090a.c @@ -0,0 +1,232 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * NIST SP800-90A DRBG derivation function + * + * Copyright (C) 2014, Stephan Mueller <smueller@chronox.de> + */ + +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> +#include <crypto/aes.h> +#include <crypto/df_sp80090a.h> +#include <crypto/internal/drbg.h> + +static void drbg_kcapi_symsetkey(struct crypto_aes_ctx *aesctx, + const unsigned char *key, + u8 keylen); +static void drbg_kcapi_symsetkey(struct crypto_aes_ctx *aesctx, + const unsigned char *key, u8 keylen) +{ + aes_expandkey(aesctx, key, keylen); +} + +static void drbg_kcapi_sym(struct crypto_aes_ctx *aesctx, + unsigned char *outval, + const struct drbg_string *in, u8 blocklen_bytes) +{ + /* there is only component in *in */ + BUG_ON(in->len < blocklen_bytes); + aes_encrypt(aesctx, outval, in->buf); +} + +/* BCC function for CTR DRBG as defined in 10.4.3 */ + +static void drbg_ctr_bcc(struct crypto_aes_ctx *aesctx, + unsigned char *out, const unsigned char *key, + struct list_head *in, + u8 blocklen_bytes, + u8 keylen) +{ + struct drbg_string *curr = NULL; + struct drbg_string data; + short cnt = 0; + + drbg_string_fill(&data, out, blocklen_bytes); + + /* 10.4.3 step 2 / 4 */ + drbg_kcapi_symsetkey(aesctx, key, keylen); + list_for_each_entry(curr, in, list) { + const unsigned char *pos = curr->buf; + size_t len = curr->len; + /* 10.4.3 step 4.1 */ + while (len) { + /* 10.4.3 step 4.2 */ + if (blocklen_bytes == cnt) { + cnt = 0; + drbg_kcapi_sym(aesctx, out, &data, blocklen_bytes); + } + out[cnt] ^= *pos; + pos++; + cnt++; + len--; + } + } + /* 10.4.3 step 4.2 for last block */ + if (cnt) + drbg_kcapi_sym(aesctx, out, &data, blocklen_bytes); +} + +/* + * scratchpad usage: drbg_ctr_update is interlinked with crypto_drbg_ctr_df + * (and drbg_ctr_bcc, but this function does not need any temporary buffers), + * the scratchpad is used as follows: + * drbg_ctr_update: + * temp + * start: drbg->scratchpad + * length: drbg_statelen(drbg) + drbg_blocklen(drbg) + * note: the cipher writing into this variable works + * blocklen-wise. Now, when the statelen is not a multiple + * of blocklen, the generateion loop below "spills over" + * by at most blocklen. Thus, we need to give sufficient + * memory. + * df_data + * start: drbg->scratchpad + + * drbg_statelen(drbg) + drbg_blocklen(drbg) + * length: drbg_statelen(drbg) + * + * crypto_drbg_ctr_df: + * pad + * start: df_data + drbg_statelen(drbg) + * length: drbg_blocklen(drbg) + * iv + * start: pad + drbg_blocklen(drbg) + * length: drbg_blocklen(drbg) + * temp + * start: iv + drbg_blocklen(drbg) + * length: drbg_satelen(drbg) + drbg_blocklen(drbg) + * note: temp is the buffer that the BCC function operates + * on. BCC operates blockwise. drbg_statelen(drbg) + * is sufficient when the DRBG state length is a multiple + * of the block size. For AES192 (and maybe other ciphers) + * this is not correct and the length for temp is + * insufficient (yes, that also means for such ciphers, + * the final output of all BCC rounds are truncated). + * Therefore, add drbg_blocklen(drbg) to cover all + * possibilities. + * refer to crypto_drbg_ctr_df_datalen() to get required length + */ + +/* Derivation Function for CTR DRBG as defined in 10.4.2 */ +int crypto_drbg_ctr_df(struct crypto_aes_ctx *aesctx, + unsigned char *df_data, size_t bytes_to_return, + struct list_head *seedlist, + u8 blocklen_bytes, + u8 statelen) +{ + unsigned char L_N[8]; + /* S3 is input */ + struct drbg_string S1, S2, S4, cipherin; + LIST_HEAD(bcc_list); + unsigned char *pad = df_data + statelen; + unsigned char *iv = pad + blocklen_bytes; + unsigned char *temp = iv + blocklen_bytes; + size_t padlen = 0; + unsigned int templen = 0; + /* 10.4.2 step 7 */ + unsigned int i = 0; + /* 10.4.2 step 8 */ + const unsigned char *K = (unsigned char *) + "\x00\x01\x02\x03\x04\x05\x06\x07" + "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" + "\x10\x11\x12\x13\x14\x15\x16\x17" + "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"; + unsigned char *X; + size_t generated_len = 0; + size_t inputlen = 0; + struct drbg_string *seed = NULL; + u8 keylen; + + memset(pad, 0, blocklen_bytes); + memset(iv, 0, blocklen_bytes); + keylen = statelen - blocklen_bytes; + /* 10.4.2 step 1 is implicit as we work byte-wise */ + + /* 10.4.2 step 2 */ + if ((512 / 8) < bytes_to_return) + return -EINVAL; + + /* 10.4.2 step 2 -- calculate the entire length of all input data */ + list_for_each_entry(seed, seedlist, list) + inputlen += seed->len; + drbg_cpu_to_be32(inputlen, &L_N[0]); + + /* 10.4.2 step 3 */ + drbg_cpu_to_be32(bytes_to_return, &L_N[4]); + + /* 10.4.2 step 5: length is L_N, input_string, one byte, padding */ + padlen = (inputlen + sizeof(L_N) + 1) % (blocklen_bytes); + /* wrap the padlen appropriately */ + if (padlen) + padlen = blocklen_bytes - padlen; + /* + * pad / padlen contains the 0x80 byte and the following zero bytes. + * As the calculated padlen value only covers the number of zero + * bytes, this value has to be incremented by one for the 0x80 byte. + */ + padlen++; + pad[0] = 0x80; + + /* 10.4.2 step 4 -- first fill the linked list and then order it */ + drbg_string_fill(&S1, iv, blocklen_bytes); + list_add_tail(&S1.list, &bcc_list); + drbg_string_fill(&S2, L_N, sizeof(L_N)); + list_add_tail(&S2.list, &bcc_list); + list_splice_tail(seedlist, &bcc_list); + drbg_string_fill(&S4, pad, padlen); + list_add_tail(&S4.list, &bcc_list); + + /* 10.4.2 step 9 */ + while (templen < (keylen + (blocklen_bytes))) { + /* + * 10.4.2 step 9.1 - the padding is implicit as the buffer + * holds zeros after allocation -- even the increment of i + * is irrelevant as the increment remains within length of i + */ + drbg_cpu_to_be32(i, iv); + /* 10.4.2 step 9.2 -- BCC and concatenation with temp */ + drbg_ctr_bcc(aesctx, temp + templen, K, &bcc_list, + blocklen_bytes, keylen); + /* 10.4.2 step 9.3 */ + i++; + templen += blocklen_bytes; + } + + /* 10.4.2 step 11 */ + X = temp + (keylen); + drbg_string_fill(&cipherin, X, blocklen_bytes); + + /* 10.4.2 step 12: overwriting of outval is implemented in next step */ + + /* 10.4.2 step 13 */ + drbg_kcapi_symsetkey(aesctx, temp, keylen); + while (generated_len < bytes_to_return) { + short blocklen = 0; + /* + * 10.4.2 step 13.1: the truncation of the key length is + * implicit as the key is only drbg_blocklen in size based on + * the implementation of the cipher function callback + */ + drbg_kcapi_sym(aesctx, X, &cipherin, blocklen_bytes); + blocklen = (blocklen_bytes < + (bytes_to_return - generated_len)) ? + blocklen_bytes : + (bytes_to_return - generated_len); + /* 10.4.2 step 13.2 and 14 */ + memcpy(df_data + generated_len, X, blocklen); + generated_len += blocklen; + } + + memset(iv, 0, blocklen_bytes); + memset(temp, 0, statelen + blocklen_bytes); + memset(pad, 0, blocklen_bytes); + return 0; +} +EXPORT_SYMBOL_GPL(crypto_drbg_ctr_df); + +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Stephan Mueller <smueller@chronox.de>"); +MODULE_DESCRIPTION("Derivation Function conformant to SP800-90A"); diff --git a/crypto/dh.c b/crypto/dh.c index 0fcad279e6fe..8250eeeebd0f 100644 --- a/crypto/dh.c +++ b/crypto/dh.c @@ -106,6 +106,12 @@ err_clear_ctx: */ static int dh_is_pubkey_valid(struct dh_ctx *ctx, MPI y) { + MPI val, q; + int ret; + + if (!fips_enabled) + return 0; + if (unlikely(!ctx->p)) return -EINVAL; @@ -125,40 +131,35 @@ static int dh_is_pubkey_valid(struct dh_ctx *ctx, MPI y) * * For the safe-prime groups q = (p - 1)/2. */ - if (fips_enabled) { - MPI val, q; - int ret; + val = mpi_alloc(0); + if (!val) + return -ENOMEM; - val = mpi_alloc(0); - if (!val) - return -ENOMEM; + q = mpi_alloc(mpi_get_nlimbs(ctx->p)); + if (!q) { + mpi_free(val); + return -ENOMEM; + } - q = mpi_alloc(mpi_get_nlimbs(ctx->p)); - if (!q) { - mpi_free(val); - return -ENOMEM; - } + /* + * ->p is odd, so no need to explicitly subtract one + * from it before shifting to the right. + */ + ret = mpi_rshift(q, ctx->p, 1) ?: + mpi_powm(val, y, q, ctx->p); - /* - * ->p is odd, so no need to explicitly subtract one - * from it before shifting to the right. - */ - mpi_rshift(q, ctx->p, 1); - - ret = mpi_powm(val, y, q, ctx->p); - mpi_free(q); - if (ret) { - mpi_free(val); - return ret; - } + mpi_free(q); + if (ret) { + mpi_free(val); + return ret; + } - ret = mpi_cmp_ui(val, 1); + ret = mpi_cmp_ui(val, 1); - mpi_free(val); + mpi_free(val); - if (ret != 0) - return -EINVAL; - } + if (ret != 0) + return -EINVAL; return 0; } @@ -919,7 +920,7 @@ static void __exit dh_exit(void) crypto_unregister_kpp(&dh); } -subsys_initcall(dh_init); +module_init(dh_init); module_exit(dh_exit); MODULE_ALIAS_CRYPTO("dh"); MODULE_LICENSE("GPL"); diff --git a/crypto/drbg.c b/crypto/drbg.c index ff4ebbc68efa..1d433dae9955 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -98,9 +98,11 @@ */ #include <crypto/drbg.h> +#include <crypto/df_sp80090a.h> #include <crypto/internal/cipher.h> #include <linux/kernel.h> #include <linux/jiffies.h> +#include <linux/string_choices.h> /*************************************************************** * Backend cipher definitions available to DRBG @@ -111,9 +113,9 @@ * as stdrng. Each DRBG receives an increasing cra_priority values the later * they are defined in this array (see drbg_fill_array). * - * HMAC DRBGs are favored over Hash DRBGs over CTR DRBGs, and - * the SHA256 / AES 256 over other ciphers. Thus, the favored - * DRBGs are the latest entries in this array. + * HMAC DRBGs are favored over Hash DRBGs over CTR DRBGs, and the + * HMAC-SHA512 / SHA256 / AES 256 over other ciphers. Thus, the + * favored DRBGs are the latest entries in this array. */ static const struct drbg_core drbg_cores[] = { #ifdef CONFIG_CRYPTO_DRBG_CTR @@ -139,12 +141,6 @@ static const struct drbg_core drbg_cores[] = { #endif /* CONFIG_CRYPTO_DRBG_CTR */ #ifdef CONFIG_CRYPTO_DRBG_HASH { - .flags = DRBG_HASH | DRBG_STRENGTH128, - .statelen = 55, /* 440 bits */ - .blocklen_bytes = 20, - .cra_name = "sha1", - .backend_cra_name = "sha1", - }, { .flags = DRBG_HASH | DRBG_STRENGTH256, .statelen = 111, /* 888 bits */ .blocklen_bytes = 48, @@ -166,12 +162,6 @@ static const struct drbg_core drbg_cores[] = { #endif /* CONFIG_CRYPTO_DRBG_HASH */ #ifdef CONFIG_CRYPTO_DRBG_HMAC { - .flags = DRBG_HMAC | DRBG_STRENGTH128, - .statelen = 20, /* block length of cipher */ - .blocklen_bytes = 20, - .cra_name = "hmac_sha1", - .backend_cra_name = "hmac(sha1)", - }, { .flags = DRBG_HMAC | DRBG_STRENGTH256, .statelen = 48, /* block length of cipher */ .blocklen_bytes = 48, @@ -272,26 +262,6 @@ static int drbg_fips_continuous_test(struct drbg_state *drbg, return 0; } -/* - * Convert an integer into a byte representation of this integer. - * The byte representation is big-endian - * - * @val value to be converted - * @buf buffer holding the converted integer -- caller must ensure that - * buffer size is at least 32 bit - */ -#if (defined(CONFIG_CRYPTO_DRBG_HASH) || defined(CONFIG_CRYPTO_DRBG_CTR)) -static inline void drbg_cpu_to_be32(__u32 val, unsigned char *buf) -{ - struct s { - __be32 conv; - }; - struct s *conversion = (struct s *) buf; - - conversion->conv = cpu_to_be32(val); -} -#endif /* defined(CONFIG_CRYPTO_DRBG_HASH) || defined(CONFIG_CRYPTO_DRBG_CTR) */ - /****************************************************************** * CTR DRBG callback functions ******************************************************************/ @@ -305,10 +275,6 @@ MODULE_ALIAS_CRYPTO("drbg_nopr_ctr_aes192"); MODULE_ALIAS_CRYPTO("drbg_pr_ctr_aes128"); MODULE_ALIAS_CRYPTO("drbg_nopr_ctr_aes128"); -static void drbg_kcapi_symsetkey(struct drbg_state *drbg, - const unsigned char *key); -static int drbg_kcapi_sym(struct drbg_state *drbg, unsigned char *outval, - const struct drbg_string *in); static int drbg_init_sym_kernel(struct drbg_state *drbg); static int drbg_fini_sym_kernel(struct drbg_state *drbg); static int drbg_kcapi_sym_ctr(struct drbg_state *drbg, @@ -316,202 +282,12 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg, u8 *outbuf, u32 outlen); #define DRBG_OUTSCRATCHLEN 256 -/* BCC function for CTR DRBG as defined in 10.4.3 */ -static int drbg_ctr_bcc(struct drbg_state *drbg, - unsigned char *out, const unsigned char *key, - struct list_head *in) -{ - int ret = 0; - struct drbg_string *curr = NULL; - struct drbg_string data; - short cnt = 0; - - drbg_string_fill(&data, out, drbg_blocklen(drbg)); - - /* 10.4.3 step 2 / 4 */ - drbg_kcapi_symsetkey(drbg, key); - list_for_each_entry(curr, in, list) { - const unsigned char *pos = curr->buf; - size_t len = curr->len; - /* 10.4.3 step 4.1 */ - while (len) { - /* 10.4.3 step 4.2 */ - if (drbg_blocklen(drbg) == cnt) { - cnt = 0; - ret = drbg_kcapi_sym(drbg, out, &data); - if (ret) - return ret; - } - out[cnt] ^= *pos; - pos++; - cnt++; - len--; - } - } - /* 10.4.3 step 4.2 for last block */ - if (cnt) - ret = drbg_kcapi_sym(drbg, out, &data); - - return ret; -} - -/* - * scratchpad usage: drbg_ctr_update is interlinked with drbg_ctr_df - * (and drbg_ctr_bcc, but this function does not need any temporary buffers), - * the scratchpad is used as follows: - * drbg_ctr_update: - * temp - * start: drbg->scratchpad - * length: drbg_statelen(drbg) + drbg_blocklen(drbg) - * note: the cipher writing into this variable works - * blocklen-wise. Now, when the statelen is not a multiple - * of blocklen, the generateion loop below "spills over" - * by at most blocklen. Thus, we need to give sufficient - * memory. - * df_data - * start: drbg->scratchpad + - * drbg_statelen(drbg) + drbg_blocklen(drbg) - * length: drbg_statelen(drbg) - * - * drbg_ctr_df: - * pad - * start: df_data + drbg_statelen(drbg) - * length: drbg_blocklen(drbg) - * iv - * start: pad + drbg_blocklen(drbg) - * length: drbg_blocklen(drbg) - * temp - * start: iv + drbg_blocklen(drbg) - * length: drbg_satelen(drbg) + drbg_blocklen(drbg) - * note: temp is the buffer that the BCC function operates - * on. BCC operates blockwise. drbg_statelen(drbg) - * is sufficient when the DRBG state length is a multiple - * of the block size. For AES192 (and maybe other ciphers) - * this is not correct and the length for temp is - * insufficient (yes, that also means for such ciphers, - * the final output of all BCC rounds are truncated). - * Therefore, add drbg_blocklen(drbg) to cover all - * possibilities. - */ - -/* Derivation Function for CTR DRBG as defined in 10.4.2 */ static int drbg_ctr_df(struct drbg_state *drbg, unsigned char *df_data, size_t bytes_to_return, struct list_head *seedlist) { - int ret = -EFAULT; - unsigned char L_N[8]; - /* S3 is input */ - struct drbg_string S1, S2, S4, cipherin; - LIST_HEAD(bcc_list); - unsigned char *pad = df_data + drbg_statelen(drbg); - unsigned char *iv = pad + drbg_blocklen(drbg); - unsigned char *temp = iv + drbg_blocklen(drbg); - size_t padlen = 0; - unsigned int templen = 0; - /* 10.4.2 step 7 */ - unsigned int i = 0; - /* 10.4.2 step 8 */ - const unsigned char *K = (unsigned char *) - "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" - "\x10\x11\x12\x13\x14\x15\x16\x17" - "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"; - unsigned char *X; - size_t generated_len = 0; - size_t inputlen = 0; - struct drbg_string *seed = NULL; - - memset(pad, 0, drbg_blocklen(drbg)); - memset(iv, 0, drbg_blocklen(drbg)); - - /* 10.4.2 step 1 is implicit as we work byte-wise */ - - /* 10.4.2 step 2 */ - if ((512/8) < bytes_to_return) - return -EINVAL; - - /* 10.4.2 step 2 -- calculate the entire length of all input data */ - list_for_each_entry(seed, seedlist, list) - inputlen += seed->len; - drbg_cpu_to_be32(inputlen, &L_N[0]); - - /* 10.4.2 step 3 */ - drbg_cpu_to_be32(bytes_to_return, &L_N[4]); - - /* 10.4.2 step 5: length is L_N, input_string, one byte, padding */ - padlen = (inputlen + sizeof(L_N) + 1) % (drbg_blocklen(drbg)); - /* wrap the padlen appropriately */ - if (padlen) - padlen = drbg_blocklen(drbg) - padlen; - /* - * pad / padlen contains the 0x80 byte and the following zero bytes. - * As the calculated padlen value only covers the number of zero - * bytes, this value has to be incremented by one for the 0x80 byte. - */ - padlen++; - pad[0] = 0x80; - - /* 10.4.2 step 4 -- first fill the linked list and then order it */ - drbg_string_fill(&S1, iv, drbg_blocklen(drbg)); - list_add_tail(&S1.list, &bcc_list); - drbg_string_fill(&S2, L_N, sizeof(L_N)); - list_add_tail(&S2.list, &bcc_list); - list_splice_tail(seedlist, &bcc_list); - drbg_string_fill(&S4, pad, padlen); - list_add_tail(&S4.list, &bcc_list); - - /* 10.4.2 step 9 */ - while (templen < (drbg_keylen(drbg) + (drbg_blocklen(drbg)))) { - /* - * 10.4.2 step 9.1 - the padding is implicit as the buffer - * holds zeros after allocation -- even the increment of i - * is irrelevant as the increment remains within length of i - */ - drbg_cpu_to_be32(i, iv); - /* 10.4.2 step 9.2 -- BCC and concatenation with temp */ - ret = drbg_ctr_bcc(drbg, temp + templen, K, &bcc_list); - if (ret) - goto out; - /* 10.4.2 step 9.3 */ - i++; - templen += drbg_blocklen(drbg); - } - - /* 10.4.2 step 11 */ - X = temp + (drbg_keylen(drbg)); - drbg_string_fill(&cipherin, X, drbg_blocklen(drbg)); - - /* 10.4.2 step 12: overwriting of outval is implemented in next step */ - - /* 10.4.2 step 13 */ - drbg_kcapi_symsetkey(drbg, temp); - while (generated_len < bytes_to_return) { - short blocklen = 0; - /* - * 10.4.2 step 13.1: the truncation of the key length is - * implicit as the key is only drbg_blocklen in size based on - * the implementation of the cipher function callback - */ - ret = drbg_kcapi_sym(drbg, X, &cipherin); - if (ret) - goto out; - blocklen = (drbg_blocklen(drbg) < - (bytes_to_return - generated_len)) ? - drbg_blocklen(drbg) : - (bytes_to_return - generated_len); - /* 10.4.2 step 13.2 and 14 */ - memcpy(df_data + generated_len, X, blocklen); - generated_len += blocklen; - } - - ret = 0; - -out: - memset(iv, 0, drbg_blocklen(drbg)); - memset(temp, 0, drbg_statelen(drbg) + drbg_blocklen(drbg)); - memset(pad, 0, drbg_blocklen(drbg)); - return ret; + return crypto_drbg_ctr_df(drbg->priv_data, df_data, drbg_statelen(drbg), + seedlist, drbg_blocklen(drbg), drbg_statelen(drbg)); } /* @@ -648,8 +424,6 @@ MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha384"); MODULE_ALIAS_CRYPTO("drbg_nopr_hmac_sha384"); MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha256"); MODULE_ALIAS_CRYPTO("drbg_nopr_hmac_sha256"); -MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha1"); -MODULE_ALIAS_CRYPTO("drbg_nopr_hmac_sha1"); /* update function of HMAC DRBG as defined in 10.1.2.2 */ static int drbg_hmac_update(struct drbg_state *drbg, struct list_head *seed, @@ -768,8 +542,6 @@ MODULE_ALIAS_CRYPTO("drbg_pr_sha384"); MODULE_ALIAS_CRYPTO("drbg_nopr_sha384"); MODULE_ALIAS_CRYPTO("drbg_pr_sha256"); MODULE_ALIAS_CRYPTO("drbg_nopr_sha256"); -MODULE_ALIAS_CRYPTO("drbg_pr_sha1"); -MODULE_ALIAS_CRYPTO("drbg_nopr_sha1"); /* * Increment buffer @@ -1325,10 +1097,8 @@ static inline int drbg_alloc_state(struct drbg_state *drbg) sb_size = 0; else if (drbg->core->flags & DRBG_CTR) sb_size = drbg_statelen(drbg) + drbg_blocklen(drbg) + /* temp */ - drbg_statelen(drbg) + /* df_data */ - drbg_blocklen(drbg) + /* pad */ - drbg_blocklen(drbg) + /* iv */ - drbg_statelen(drbg) + drbg_blocklen(drbg); /* temp */ + crypto_drbg_ctr_df_datalen(drbg_statelen(drbg), + drbg_blocklen(drbg)); else sb_size = drbg_statelen(drbg) + drbg_blocklen(drbg); @@ -1428,7 +1198,7 @@ static int drbg_generate(struct drbg_state *drbg, if (drbg->pr || drbg->seeded == DRBG_SEED_STATE_UNSEEDED) { pr_devel("DRBG: reseeding before generation (prediction " "resistance: %s, state %s)\n", - drbg->pr ? "true" : "false", + str_true_false(drbg->pr), (drbg->seeded == DRBG_SEED_STATE_FULL ? "seeded" : "unseeded")); /* 9.3.1 steps 7.1 through 7.3 */ @@ -1475,11 +1245,11 @@ static int drbg_generate(struct drbg_state *drbg, int err = 0; pr_devel("DRBG: start to perform self test\n"); if (drbg->core->flags & DRBG_HMAC) - err = alg_test("drbg_pr_hmac_sha256", - "drbg_pr_hmac_sha256", 0, 0); + err = alg_test("drbg_pr_hmac_sha512", + "drbg_pr_hmac_sha512", 0, 0); else if (drbg->core->flags & DRBG_CTR) - err = alg_test("drbg_pr_ctr_aes128", - "drbg_pr_ctr_aes128", 0, 0); + err = alg_test("drbg_pr_ctr_aes256", + "drbg_pr_ctr_aes256", 0, 0); else err = alg_test("drbg_pr_sha256", "drbg_pr_sha256", 0, 0); @@ -1578,7 +1348,7 @@ static int drbg_instantiate(struct drbg_state *drbg, struct drbg_string *pers, bool reseed = true; pr_devel("DRBG: Initializing DRBG core %d with prediction resistance " - "%s\n", coreref, pr ? "enabled" : "disabled"); + "%s\n", coreref, str_enabled_disabled(pr)); mutex_lock(&drbg->drbg_mutex); /* 9.1 step 1 is implicit with the selected DRBG type */ @@ -1673,7 +1443,6 @@ static void drbg_kcapi_set_entropy(struct crypto_rng *tfm, #if defined(CONFIG_CRYPTO_DRBG_HASH) || defined(CONFIG_CRYPTO_DRBG_HMAC) struct sdesc { struct shash_desc shash; - char ctx[]; }; static int drbg_init_hash_kernel(struct drbg_state *drbg) @@ -1698,7 +1467,7 @@ static int drbg_init_hash_kernel(struct drbg_state *drbg) sdesc->shash.tfm = tfm; drbg->priv_data = sdesc; - return crypto_shash_alignmask(tfm); + return 0; } static int drbg_fini_hash_kernel(struct drbg_state *drbg) @@ -1736,10 +1505,9 @@ static int drbg_kcapi_hash(struct drbg_state *drbg, unsigned char *outval, #ifdef CONFIG_CRYPTO_DRBG_CTR static int drbg_fini_sym_kernel(struct drbg_state *drbg) { - struct crypto_cipher *tfm = - (struct crypto_cipher *)drbg->priv_data; - if (tfm) - crypto_free_cipher(tfm); + struct crypto_aes_ctx *aesctx = (struct crypto_aes_ctx *)drbg->priv_data; + + kfree(aesctx); drbg->priv_data = NULL; if (drbg->ctr_handle) @@ -1758,20 +1526,16 @@ static int drbg_fini_sym_kernel(struct drbg_state *drbg) static int drbg_init_sym_kernel(struct drbg_state *drbg) { - struct crypto_cipher *tfm; + struct crypto_aes_ctx *aesctx; struct crypto_skcipher *sk_tfm; struct skcipher_request *req; unsigned int alignmask; char ctr_name[CRYPTO_MAX_ALG_NAME]; - tfm = crypto_alloc_cipher(drbg->core->backend_cra_name, 0, 0); - if (IS_ERR(tfm)) { - pr_info("DRBG: could not allocate cipher TFM handle: %s\n", - drbg->core->backend_cra_name); - return PTR_ERR(tfm); - } - BUG_ON(drbg_blocklen(drbg) != crypto_cipher_blocksize(tfm)); - drbg->priv_data = tfm; + aesctx = kzalloc(sizeof(*aesctx), GFP_KERNEL); + if (!aesctx) + return -ENOMEM; + drbg->priv_data = aesctx; if (snprintf(ctr_name, CRYPTO_MAX_ALG_NAME, "ctr(%s)", drbg->core->backend_cra_name) >= CRYPTO_MAX_ALG_NAME) { @@ -1815,25 +1579,6 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg) return alignmask; } -static void drbg_kcapi_symsetkey(struct drbg_state *drbg, - const unsigned char *key) -{ - struct crypto_cipher *tfm = drbg->priv_data; - - crypto_cipher_setkey(tfm, key, (drbg_keylen(drbg))); -} - -static int drbg_kcapi_sym(struct drbg_state *drbg, unsigned char *outval, - const struct drbg_string *in) -{ - struct crypto_cipher *tfm = drbg->priv_data; - - /* there is only component in *in */ - BUG_ON(in->len < drbg_blocklen(drbg)); - crypto_cipher_encrypt_one(tfm, outval, in->buf); - return 0; -} - static int drbg_kcapi_sym_ctr(struct drbg_state *drbg, u8 *inbuf, u32 inlen, u8 *outbuf, u32 outlen) @@ -2017,11 +1762,13 @@ static inline int __init drbg_healthcheck_sanity(void) return 0; #ifdef CONFIG_CRYPTO_DRBG_CTR - drbg_convert_tfm_core("drbg_nopr_ctr_aes128", &coreref, &pr); -#elif defined CONFIG_CRYPTO_DRBG_HASH + drbg_convert_tfm_core("drbg_nopr_ctr_aes256", &coreref, &pr); +#endif +#ifdef CONFIG_CRYPTO_DRBG_HASH drbg_convert_tfm_core("drbg_nopr_sha256", &coreref, &pr); -#else - drbg_convert_tfm_core("drbg_nopr_hmac_sha256", &coreref, &pr); +#endif +#ifdef CONFIG_CRYPTO_DRBG_HMAC + drbg_convert_tfm_core("drbg_nopr_hmac_sha512", &coreref, &pr); #endif drbg = kzalloc(sizeof(struct drbg_state), GFP_KERNEL); @@ -2145,7 +1892,7 @@ static void __exit drbg_exit(void) crypto_unregister_rngs(drbg_algs, (ARRAY_SIZE(drbg_cores) * 2)); } -subsys_initcall(drbg_init); +module_init(drbg_init); module_exit(drbg_exit); #ifndef CRYPTO_DRBG_HASH_STRING #define CRYPTO_DRBG_HASH_STRING "" @@ -2164,4 +1911,4 @@ MODULE_DESCRIPTION("NIST SP800-90A Deterministic Random Bit Generator (DRBG) " CRYPTO_DRBG_HMAC_STRING CRYPTO_DRBG_CTR_STRING); MODULE_ALIAS_CRYPTO("stdrng"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/ecb.c b/crypto/ecb.c index 71fbb0543d64..cd1b20456dad 100644 --- a/crypto/ecb.c +++ b/crypto/ecb.c @@ -5,75 +5,198 @@ * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au> */ -#include <crypto/algapi.h> #include <crypto/internal/cipher.h> #include <crypto/internal/skcipher.h> #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> -static int crypto_ecb_crypt(struct skcipher_request *req, - struct crypto_cipher *cipher, +static int crypto_ecb_crypt(struct crypto_cipher *cipher, const u8 *src, + u8 *dst, unsigned nbytes, bool final, void (*fn)(struct crypto_tfm *, u8 *, const u8 *)) { const unsigned int bsize = crypto_cipher_blocksize(cipher); - struct skcipher_walk walk; - unsigned int nbytes; - int err; - - err = skcipher_walk_virt(&walk, req, false); - while ((nbytes = walk.nbytes) != 0) { - const u8 *src = walk.src.virt.addr; - u8 *dst = walk.dst.virt.addr; + while (nbytes >= bsize) { + fn(crypto_cipher_tfm(cipher), dst, src); - do { - fn(crypto_cipher_tfm(cipher), dst, src); + src += bsize; + dst += bsize; - src += bsize; - dst += bsize; - } while ((nbytes -= bsize) >= bsize); - - err = skcipher_walk_done(&walk, nbytes); + nbytes -= bsize; } - return err; + return nbytes && final ? -EINVAL : nbytes; } -static int crypto_ecb_encrypt(struct skcipher_request *req) +static int crypto_ecb_encrypt2(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned len, u8 *iv, u32 flags) { - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct crypto_cipher *cipher = skcipher_cipher_simple(tfm); + struct crypto_cipher **ctx = crypto_lskcipher_ctx(tfm); + struct crypto_cipher *cipher = *ctx; - return crypto_ecb_crypt(req, cipher, + return crypto_ecb_crypt(cipher, src, dst, len, + flags & CRYPTO_LSKCIPHER_FLAG_FINAL, crypto_cipher_alg(cipher)->cia_encrypt); } -static int crypto_ecb_decrypt(struct skcipher_request *req) +static int crypto_ecb_decrypt2(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned len, u8 *iv, u32 flags) { - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct crypto_cipher *cipher = skcipher_cipher_simple(tfm); + struct crypto_cipher **ctx = crypto_lskcipher_ctx(tfm); + struct crypto_cipher *cipher = *ctx; - return crypto_ecb_crypt(req, cipher, + return crypto_ecb_crypt(cipher, src, dst, len, + flags & CRYPTO_LSKCIPHER_FLAG_FINAL, crypto_cipher_alg(cipher)->cia_decrypt); } -static int crypto_ecb_create(struct crypto_template *tmpl, struct rtattr **tb) +static int lskcipher_setkey_simple2(struct crypto_lskcipher *tfm, + const u8 *key, unsigned int keylen) +{ + struct crypto_cipher **ctx = crypto_lskcipher_ctx(tfm); + struct crypto_cipher *cipher = *ctx; + + crypto_cipher_clear_flags(cipher, CRYPTO_TFM_REQ_MASK); + crypto_cipher_set_flags(cipher, crypto_lskcipher_get_flags(tfm) & + CRYPTO_TFM_REQ_MASK); + return crypto_cipher_setkey(cipher, key, keylen); +} + +static int lskcipher_init_tfm_simple2(struct crypto_lskcipher *tfm) +{ + struct lskcipher_instance *inst = lskcipher_alg_instance(tfm); + struct crypto_cipher **ctx = crypto_lskcipher_ctx(tfm); + struct crypto_cipher_spawn *spawn; + struct crypto_cipher *cipher; + + spawn = lskcipher_instance_ctx(inst); + cipher = crypto_spawn_cipher(spawn); + if (IS_ERR(cipher)) + return PTR_ERR(cipher); + + *ctx = cipher; + return 0; +} + +static void lskcipher_exit_tfm_simple2(struct crypto_lskcipher *tfm) +{ + struct crypto_cipher **ctx = crypto_lskcipher_ctx(tfm); + + crypto_free_cipher(*ctx); +} + +static void lskcipher_free_instance_simple2(struct lskcipher_instance *inst) +{ + crypto_drop_cipher(lskcipher_instance_ctx(inst)); + kfree(inst); +} + +static struct lskcipher_instance *lskcipher_alloc_instance_simple2( + struct crypto_template *tmpl, struct rtattr **tb) +{ + struct crypto_cipher_spawn *spawn; + struct lskcipher_instance *inst; + struct crypto_alg *cipher_alg; + u32 mask; + int err; + + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_LSKCIPHER, &mask); + if (err) + return ERR_PTR(err); + + inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); + if (!inst) + return ERR_PTR(-ENOMEM); + spawn = lskcipher_instance_ctx(inst); + + err = crypto_grab_cipher(spawn, lskcipher_crypto_instance(inst), + crypto_attr_alg_name(tb[1]), 0, mask); + if (err) + goto err_free_inst; + cipher_alg = crypto_spawn_cipher_alg(spawn); + + err = crypto_inst_setname(lskcipher_crypto_instance(inst), tmpl->name, + cipher_alg); + if (err) + goto err_free_inst; + + inst->free = lskcipher_free_instance_simple2; + + /* Default algorithm properties, can be overridden */ + inst->alg.co.base.cra_blocksize = cipher_alg->cra_blocksize; + inst->alg.co.base.cra_alignmask = cipher_alg->cra_alignmask; + inst->alg.co.base.cra_priority = cipher_alg->cra_priority; + inst->alg.co.min_keysize = cipher_alg->cra_cipher.cia_min_keysize; + inst->alg.co.max_keysize = cipher_alg->cra_cipher.cia_max_keysize; + inst->alg.co.ivsize = cipher_alg->cra_blocksize; + + /* Use struct crypto_cipher * by default, can be overridden */ + inst->alg.co.base.cra_ctxsize = sizeof(struct crypto_cipher *); + inst->alg.setkey = lskcipher_setkey_simple2; + inst->alg.init = lskcipher_init_tfm_simple2; + inst->alg.exit = lskcipher_exit_tfm_simple2; + + return inst; + +err_free_inst: + lskcipher_free_instance_simple2(inst); + return ERR_PTR(err); +} + +static int crypto_ecb_create2(struct crypto_template *tmpl, struct rtattr **tb) { - struct skcipher_instance *inst; + struct lskcipher_instance *inst; int err; - inst = skcipher_alloc_instance_simple(tmpl, tb); + inst = lskcipher_alloc_instance_simple2(tmpl, tb); if (IS_ERR(inst)) return PTR_ERR(inst); - inst->alg.ivsize = 0; /* ECB mode doesn't take an IV */ + /* ECB mode doesn't take an IV */ + inst->alg.co.ivsize = 0; + + inst->alg.encrypt = crypto_ecb_encrypt2; + inst->alg.decrypt = crypto_ecb_decrypt2; + + err = lskcipher_register_instance(tmpl, inst); + if (err) + inst->free(inst); + + return err; +} + +static int crypto_ecb_create(struct crypto_template *tmpl, struct rtattr **tb) +{ + struct crypto_lskcipher_spawn *spawn; + struct lskcipher_alg *cipher_alg; + struct lskcipher_instance *inst; + int err; + + inst = lskcipher_alloc_instance_simple(tmpl, tb); + if (IS_ERR(inst)) { + err = crypto_ecb_create2(tmpl, tb); + return err; + } + + spawn = lskcipher_instance_ctx(inst); + cipher_alg = crypto_lskcipher_spawn_alg(spawn); + + /* ECB mode doesn't take an IV */ + inst->alg.co.ivsize = 0; + if (cipher_alg->co.ivsize) + return -EINVAL; - inst->alg.encrypt = crypto_ecb_encrypt; - inst->alg.decrypt = crypto_ecb_decrypt; + inst->alg.co.base.cra_ctxsize = cipher_alg->co.base.cra_ctxsize; + inst->alg.setkey = cipher_alg->setkey; + inst->alg.encrypt = cipher_alg->encrypt; + inst->alg.decrypt = cipher_alg->decrypt; + inst->alg.init = cipher_alg->init; + inst->alg.exit = cipher_alg->exit; - err = skcipher_register_instance(tmpl, inst); + err = lskcipher_register_instance(tmpl, inst); if (err) inst->free(inst); @@ -96,9 +219,10 @@ static void __exit crypto_ecb_module_exit(void) crypto_unregister_template(&crypto_ecb_tmpl); } -subsys_initcall(crypto_ecb_module_init); +module_init(crypto_ecb_module_init); module_exit(crypto_ecb_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("ECB block cipher mode of operation"); MODULE_ALIAS_CRYPTO("ecb"); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/ecc.c b/crypto/ecc.c index f53fb4d6af99..6cf9a945fc6c 100644 --- a/crypto/ecc.c +++ b/crypto/ecc.c @@ -33,7 +33,7 @@ #include <crypto/ecdh.h> #include <crypto/rng.h> #include <crypto/internal/ecc.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/ratelimit.h> #include "ecc_curve_defs.h" @@ -60,12 +60,36 @@ const struct ecc_curve *ecc_get_curve(unsigned int curve_id) return &nist_p256; case ECC_CURVE_NIST_P384: return &nist_p384; + case ECC_CURVE_NIST_P521: + return &nist_p521; default: return NULL; } } EXPORT_SYMBOL(ecc_get_curve); +void ecc_digits_from_bytes(const u8 *in, unsigned int nbytes, + u64 *out, unsigned int ndigits) +{ + int diff = ndigits - DIV_ROUND_UP_POW2(nbytes, sizeof(u64)); + unsigned int o = nbytes & 7; + __be64 msd = 0; + + /* diff > 0: not enough input bytes: set most significant digits to 0 */ + if (diff > 0) { + ndigits -= diff; + memset(&out[ndigits], 0, diff * sizeof(u64)); + } + + if (o) { + memcpy((u8 *)&msd + sizeof(msd) - o, in, o); + out[--ndigits] = be64_to_cpu(msd); + in += o; + } + ecc_swap_digits(in, out, ndigits); +} +EXPORT_SYMBOL(ecc_digits_from_bytes); + static u64 *ecc_alloc_digits_space(unsigned int ndigits) { size_t len = ndigits * sizeof(u64); @@ -689,7 +713,7 @@ static void vli_mmod_barrett(u64 *result, u64 *product, const u64 *mod, static void vli_mmod_fast_192(u64 *result, const u64 *product, const u64 *curve_prime, u64 *tmp) { - const unsigned int ndigits = 3; + const unsigned int ndigits = ECC_CURVE_NIST_P192_DIGITS; int carry; vli_set(result, product, ndigits); @@ -717,7 +741,7 @@ static void vli_mmod_fast_256(u64 *result, const u64 *product, const u64 *curve_prime, u64 *tmp) { int carry; - const unsigned int ndigits = 4; + const unsigned int ndigits = ECC_CURVE_NIST_P256_DIGITS; /* t */ vli_set(result, product, ndigits); @@ -800,7 +824,7 @@ static void vli_mmod_fast_384(u64 *result, const u64 *product, const u64 *curve_prime, u64 *tmp) { int carry; - const unsigned int ndigits = 6; + const unsigned int ndigits = ECC_CURVE_NIST_P384_DIGITS; /* t */ vli_set(result, product, ndigits); @@ -902,6 +926,28 @@ static void vli_mmod_fast_384(u64 *result, const u64 *product, #undef AND64H #undef AND64L +/* + * Computes result = product % curve_prime + * from "Recommendations for Discrete Logarithm-Based Cryptography: + * Elliptic Curve Domain Parameters" section G.1.4 + */ +static void vli_mmod_fast_521(u64 *result, const u64 *product, + const u64 *curve_prime, u64 *tmp) +{ + const unsigned int ndigits = ECC_CURVE_NIST_P521_DIGITS; + size_t i; + + /* Initialize result with lowest 521 bits from product */ + vli_set(result, product, ndigits); + result[8] &= 0x1ff; + + for (i = 0; i < ndigits; i++) + tmp[i] = (product[8 + i] >> 9) | (product[9 + i] << 55); + tmp[8] &= 0x1ff; + + vli_mod_add(result, result, tmp, curve_prime, ndigits); +} + /* Computes result = product % curve_prime for different curve_primes. * * Note that curve_primes are distinguished just by heuristic check and @@ -932,15 +978,18 @@ static bool vli_mmod_fast(u64 *result, u64 *product, } switch (ndigits) { - case 3: + case ECC_CURVE_NIST_P192_DIGITS: vli_mmod_fast_192(result, product, curve_prime, tmp); break; - case 4: + case ECC_CURVE_NIST_P256_DIGITS: vli_mmod_fast_256(result, product, curve_prime, tmp); break; - case 6: + case ECC_CURVE_NIST_P384_DIGITS: vli_mmod_fast_384(result, product, curve_prime, tmp); break; + case ECC_CURVE_NIST_P521_DIGITS: + vli_mmod_fast_521(result, product, curve_prime, tmp); + break; default: pr_err_ratelimited("ecc: unsupported digits size!\n"); return false; @@ -1295,7 +1344,10 @@ static void ecc_point_mult(struct ecc_point *result, carry = vli_add(sk[0], scalar, curve->n, ndigits); vli_add(sk[1], sk[0], curve->n, ndigits); scalar = sk[!carry]; - num_bits = sizeof(u64) * ndigits * 8 + 1; + if (curve->nbits == 521) /* NIST P521 */ + num_bits = curve->nbits + 2; + else + num_bits = sizeof(u64) * ndigits * 8 + 1; vli_set(rx[1], point->x, ndigits); vli_set(ry[1], point->y, ndigits); @@ -1416,6 +1468,12 @@ void ecc_point_mult_shamir(const struct ecc_point *result, } EXPORT_SYMBOL(ecc_point_mult_shamir); +/* + * This function performs checks equivalent to Appendix A.4.2 of FIPS 186-5. + * Whereas A.4.2 results in an integer in the interval [1, n-1], this function + * ensures that the integer is in the range of [2, n-3]. We are slightly + * stricter because of the currently used scalar multiplication algorithm. + */ static int __ecc_is_key_valid(const struct ecc_curve *curve, const u64 *private_key, unsigned int ndigits) { @@ -1455,31 +1513,29 @@ int ecc_is_key_valid(unsigned int curve_id, unsigned int ndigits, EXPORT_SYMBOL(ecc_is_key_valid); /* - * ECC private keys are generated using the method of extra random bits, - * equivalent to that described in FIPS 186-4, Appendix B.4.1. - * - * d = (c mod(n–1)) + 1 where c is a string of random bits, 64 bits longer - * than requested - * 0 <= c mod(n-1) <= n-2 and implies that - * 1 <= d <= n-1 + * ECC private keys are generated using the method of rejection sampling, + * equivalent to that described in FIPS 186-5, Appendix A.2.2. * * This method generates a private key uniformly distributed in the range - * [1, n-1]. + * [2, n-3]. */ -int ecc_gen_privkey(unsigned int curve_id, unsigned int ndigits, u64 *privkey) +int ecc_gen_privkey(unsigned int curve_id, unsigned int ndigits, + u64 *private_key) { const struct ecc_curve *curve = ecc_get_curve(curve_id); - u64 priv[ECC_MAX_DIGITS]; unsigned int nbytes = ndigits << ECC_DIGITS_TO_BYTES_SHIFT; unsigned int nbits = vli_num_bits(curve->n, ndigits); int err; - /* Check that N is included in Table 1 of FIPS 186-4, section 6.1.1 */ - if (nbits < 160 || ndigits > ARRAY_SIZE(priv)) + /* + * Step 1 & 2: check that N is included in Table 1 of FIPS 186-5, + * section 6.1.1. + */ + if (nbits < 224) return -EINVAL; /* - * FIPS 186-4 recommends that the private key should be obtained from a + * FIPS 186-5 recommends that the private key should be obtained from a * RBG with a security strength equal to or greater than the security * strength associated with N. * @@ -1492,17 +1548,17 @@ int ecc_gen_privkey(unsigned int curve_id, unsigned int ndigits, u64 *privkey) if (crypto_get_default_rng()) return -EFAULT; - err = crypto_rng_get_bytes(crypto_default_rng, (u8 *)priv, nbytes); + /* Step 3: obtain N returned_bits from the DRBG. */ + err = crypto_rng_get_bytes(crypto_default_rng, + (u8 *)private_key, nbytes); crypto_put_default_rng(); if (err) return err; - /* Make sure the private key is in the valid range. */ - if (__ecc_is_key_valid(curve, priv, ndigits)) + /* Step 4: make sure the private key is in the valid range. */ + if (__ecc_is_key_valid(curve, private_key, ndigits)) return -EINVAL; - ecc_swap_digits(priv, privkey, ndigits); - return 0; } EXPORT_SYMBOL(ecc_gen_privkey); @@ -1512,23 +1568,20 @@ int ecc_make_pub_key(unsigned int curve_id, unsigned int ndigits, { int ret = 0; struct ecc_point *pk; - u64 priv[ECC_MAX_DIGITS]; const struct ecc_curve *curve = ecc_get_curve(curve_id); - if (!private_key || !curve || ndigits > ARRAY_SIZE(priv)) { + if (!private_key) { ret = -EINVAL; goto out; } - ecc_swap_digits(private_key, priv, ndigits); - pk = ecc_alloc_point(ndigits); if (!pk) { ret = -ENOMEM; goto out; } - ecc_point_mult(pk, &curve->g, priv, NULL, curve, ndigits); + ecc_point_mult(pk, &curve->g, private_key, NULL, curve, ndigits); /* SP800-56A rev 3 5.6.2.1.3 key check */ if (ecc_is_pubkey_valid_full(curve, pk)) { @@ -1612,13 +1665,11 @@ int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits, { int ret = 0; struct ecc_point *product, *pk; - u64 priv[ECC_MAX_DIGITS]; u64 rand_z[ECC_MAX_DIGITS]; unsigned int nbytes; const struct ecc_curve *curve = ecc_get_curve(curve_id); - if (!private_key || !public_key || !curve || - ndigits > ARRAY_SIZE(priv) || ndigits > ARRAY_SIZE(rand_z)) { + if (!private_key || !public_key || ndigits > ARRAY_SIZE(rand_z)) { ret = -EINVAL; goto out; } @@ -1639,15 +1690,13 @@ int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits, if (ret) goto err_alloc_product; - ecc_swap_digits(private_key, priv, ndigits); - product = ecc_alloc_point(ndigits); if (!product) { ret = -ENOMEM; goto err_alloc_product; } - ecc_point_mult(product, pk, priv, rand_z, curve, ndigits); + ecc_point_mult(product, pk, private_key, rand_z, curve, ndigits); if (ecc_point_is_zero(product)) { ret = -EFAULT; @@ -1657,7 +1706,6 @@ int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits, ecc_swap_digits(product->x, secret, ndigits); err_validity: - memzero_explicit(priv, sizeof(priv)); memzero_explicit(rand_z, sizeof(rand_z)); ecc_free_point(product); err_alloc_product: @@ -1667,4 +1715,5 @@ out: } EXPORT_SYMBOL(crypto_ecdh_shared_secret); +MODULE_DESCRIPTION("core elliptic curve module"); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/crypto/ecc_curve_defs.h b/crypto/ecc_curve_defs.h index 9719934c9428..0ecade7d02f5 100644 --- a/crypto/ecc_curve_defs.h +++ b/crypto/ecc_curve_defs.h @@ -17,6 +17,7 @@ static u64 nist_p192_b[] = { 0xFEB8DEECC146B9B1ull, 0x0FA7E9AB72243049ull, 0x64210519E59C80E7ull }; static struct ecc_curve nist_p192 = { .name = "nist_192", + .nbits = 192, .g = { .x = nist_p192_g_x, .y = nist_p192_g_y, @@ -43,6 +44,7 @@ static u64 nist_p256_b[] = { 0x3BCE3C3E27D2604Bull, 0x651D06B0CC53B0F6ull, 0xB3EBBD55769886BCull, 0x5AC635D8AA3A93E7ull }; static struct ecc_curve nist_p256 = { .name = "nist_256", + .nbits = 256, .g = { .x = nist_p256_g_x, .y = nist_p256_g_y, @@ -75,6 +77,7 @@ static u64 nist_p384_b[] = { 0x2a85c8edd3ec2aefull, 0xc656398d8a2ed19dull, 0x988e056be3f82d19ull, 0xb3312fa7e23ee7e4ull }; static struct ecc_curve nist_p384 = { .name = "nist_384", + .nbits = 384, .g = { .x = nist_p384_g_x, .y = nist_p384_g_y, @@ -86,6 +89,51 @@ static struct ecc_curve nist_p384 = { .b = nist_p384_b }; +/* NIST P-521 */ +static u64 nist_p521_g_x[] = { 0xf97e7e31c2e5bd66ull, 0x3348b3c1856a429bull, + 0xfe1dc127a2ffa8deull, 0xa14b5e77efe75928ull, + 0xf828af606b4d3dbaull, 0x9c648139053fb521ull, + 0x9e3ecb662395b442ull, 0x858e06b70404e9cdull, + 0xc6ull }; +static u64 nist_p521_g_y[] = { 0x88be94769fd16650ull, 0x353c7086a272c240ull, + 0xc550b9013fad0761ull, 0x97ee72995ef42640ull, + 0x17afbd17273e662cull, 0x98f54449579b4468ull, + 0x5c8a5fb42c7d1bd9ull, 0x39296a789a3bc004ull, + 0x118ull }; +static u64 nist_p521_p[] = { 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0x1ffull }; +static u64 nist_p521_n[] = { 0xbb6fb71e91386409ull, 0x3bb5c9b8899c47aeull, + 0x7fcc0148f709a5d0ull, 0x51868783bf2f966bull, + 0xfffffffffffffffaull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0x1ffull }; +static u64 nist_p521_a[] = { 0xfffffffffffffffcull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0x1ffull }; +static u64 nist_p521_b[] = { 0xef451fd46b503f00ull, 0x3573df883d2c34f1ull, + 0x1652c0bd3bb1bf07ull, 0x56193951ec7e937bull, + 0xb8b489918ef109e1ull, 0xa2da725b99b315f3ull, + 0x929a21a0b68540eeull, 0x953eb9618e1c9a1full, + 0x051ull }; +static struct ecc_curve nist_p521 = { + .name = "nist_521", + .nbits = 521, + .g = { + .x = nist_p521_g_x, + .y = nist_p521_g_y, + .ndigits = 9, + }, + .p = nist_p521_p, + .n = nist_p521_n, + .a = nist_p521_a, + .b = nist_p521_b +}; + /* curve25519 */ static u64 curve25519_g_x[] = { 0x0000000000000009, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000 }; @@ -95,6 +143,7 @@ static u64 curve25519_a[] = { 0x000000000001DB41, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000 }; static const struct ecc_curve ecc_25519 = { .name = "curve25519", + .nbits = 255, .g = { .x = curve25519_g_x, .ndigits = 4, diff --git a/crypto/ecdh.c b/crypto/ecdh.c index 80afee3234fb..9f0b93b3166d 100644 --- a/crypto/ecdh.c +++ b/crypto/ecdh.c @@ -28,23 +28,28 @@ static int ecdh_set_secret(struct crypto_kpp *tfm, const void *buf, { struct ecdh_ctx *ctx = ecdh_get_ctx(tfm); struct ecdh params; + int ret = 0; if (crypto_ecdh_decode_key(buf, len, ¶ms) < 0 || params.key_size > sizeof(u64) * ctx->ndigits) return -EINVAL; + memset(ctx->private_key, 0, sizeof(ctx->private_key)); + if (!params.key || !params.key_size) return ecc_gen_privkey(ctx->curve_id, ctx->ndigits, ctx->private_key); - memcpy(ctx->private_key, params.key, params.key_size); + ecc_digits_from_bytes(params.key, params.key_size, + ctx->private_key, ctx->ndigits); if (ecc_is_key_valid(ctx->curve_id, ctx->ndigits, ctx->private_key, params.key_size) < 0) { memzero_explicit(ctx->private_key, params.key_size); - return -EINVAL; + ret = -EINVAL; } - return 0; + + return ret; } static int ecdh_compute_value(struct kpp_request *req) @@ -235,7 +240,7 @@ static void __exit ecdh_exit(void) crypto_unregister_kpp(&ecdh_nist_p384); } -subsys_initcall(ecdh_init); +module_init(ecdh_init); module_exit(ecdh_exit); MODULE_ALIAS_CRYPTO("ecdh"); MODULE_LICENSE("GPL"); diff --git a/crypto/ecdsa-p1363.c b/crypto/ecdsa-p1363.c new file mode 100644 index 000000000000..e0c55c64711c --- /dev/null +++ b/crypto/ecdsa-p1363.c @@ -0,0 +1,161 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ECDSA P1363 signature encoding + * + * Copyright (c) 2024 Intel Corporation + */ + +#include <linux/err.h> +#include <linux/module.h> +#include <crypto/algapi.h> +#include <crypto/sig.h> +#include <crypto/internal/ecc.h> +#include <crypto/internal/sig.h> + +struct ecdsa_p1363_ctx { + struct crypto_sig *child; +}; + +static int ecdsa_p1363_verify(struct crypto_sig *tfm, + const void *src, unsigned int slen, + const void *digest, unsigned int dlen) +{ + struct ecdsa_p1363_ctx *ctx = crypto_sig_ctx(tfm); + unsigned int keylen = DIV_ROUND_UP_POW2(crypto_sig_keysize(ctx->child), + BITS_PER_BYTE); + unsigned int ndigits = DIV_ROUND_UP_POW2(keylen, sizeof(u64)); + struct ecdsa_raw_sig sig; + + if (slen != 2 * keylen) + return -EINVAL; + + ecc_digits_from_bytes(src, keylen, sig.r, ndigits); + ecc_digits_from_bytes(src + keylen, keylen, sig.s, ndigits); + + return crypto_sig_verify(ctx->child, &sig, sizeof(sig), digest, dlen); +} + +static unsigned int ecdsa_p1363_key_size(struct crypto_sig *tfm) +{ + struct ecdsa_p1363_ctx *ctx = crypto_sig_ctx(tfm); + + return crypto_sig_keysize(ctx->child); +} + +static unsigned int ecdsa_p1363_max_size(struct crypto_sig *tfm) +{ + struct ecdsa_p1363_ctx *ctx = crypto_sig_ctx(tfm); + + return 2 * DIV_ROUND_UP_POW2(crypto_sig_keysize(ctx->child), + BITS_PER_BYTE); +} + +static unsigned int ecdsa_p1363_digest_size(struct crypto_sig *tfm) +{ + struct ecdsa_p1363_ctx *ctx = crypto_sig_ctx(tfm); + + return crypto_sig_digestsize(ctx->child); +} + +static int ecdsa_p1363_set_pub_key(struct crypto_sig *tfm, + const void *key, unsigned int keylen) +{ + struct ecdsa_p1363_ctx *ctx = crypto_sig_ctx(tfm); + + return crypto_sig_set_pubkey(ctx->child, key, keylen); +} + +static int ecdsa_p1363_init_tfm(struct crypto_sig *tfm) +{ + struct sig_instance *inst = sig_alg_instance(tfm); + struct crypto_sig_spawn *spawn = sig_instance_ctx(inst); + struct ecdsa_p1363_ctx *ctx = crypto_sig_ctx(tfm); + struct crypto_sig *child_tfm; + + child_tfm = crypto_spawn_sig(spawn); + if (IS_ERR(child_tfm)) + return PTR_ERR(child_tfm); + + ctx->child = child_tfm; + + return 0; +} + +static void ecdsa_p1363_exit_tfm(struct crypto_sig *tfm) +{ + struct ecdsa_p1363_ctx *ctx = crypto_sig_ctx(tfm); + + crypto_free_sig(ctx->child); +} + +static void ecdsa_p1363_free(struct sig_instance *inst) +{ + struct crypto_sig_spawn *spawn = sig_instance_ctx(inst); + + crypto_drop_sig(spawn); + kfree(inst); +} + +static int ecdsa_p1363_create(struct crypto_template *tmpl, struct rtattr **tb) +{ + struct crypto_sig_spawn *spawn; + struct sig_instance *inst; + struct sig_alg *ecdsa_alg; + u32 mask; + int err; + + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SIG, &mask); + if (err) + return err; + + inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); + if (!inst) + return -ENOMEM; + + spawn = sig_instance_ctx(inst); + + err = crypto_grab_sig(spawn, sig_crypto_instance(inst), + crypto_attr_alg_name(tb[1]), 0, mask); + if (err) + goto err_free_inst; + + ecdsa_alg = crypto_spawn_sig_alg(spawn); + + err = -EINVAL; + if (strncmp(ecdsa_alg->base.cra_name, "ecdsa", 5) != 0) + goto err_free_inst; + + err = crypto_inst_setname(sig_crypto_instance(inst), tmpl->name, + &ecdsa_alg->base); + if (err) + goto err_free_inst; + + inst->alg.base.cra_priority = ecdsa_alg->base.cra_priority; + inst->alg.base.cra_ctxsize = sizeof(struct ecdsa_p1363_ctx); + + inst->alg.init = ecdsa_p1363_init_tfm; + inst->alg.exit = ecdsa_p1363_exit_tfm; + + inst->alg.verify = ecdsa_p1363_verify; + inst->alg.key_size = ecdsa_p1363_key_size; + inst->alg.max_size = ecdsa_p1363_max_size; + inst->alg.digest_size = ecdsa_p1363_digest_size; + inst->alg.set_pub_key = ecdsa_p1363_set_pub_key; + + inst->free = ecdsa_p1363_free; + + err = sig_register_instance(tmpl, inst); + if (err) { +err_free_inst: + ecdsa_p1363_free(inst); + } + return err; +} + +struct crypto_template ecdsa_p1363_tmpl = { + .name = "p1363", + .create = ecdsa_p1363_create, + .module = THIS_MODULE, +}; + +MODULE_ALIAS_CRYPTO("p1363"); diff --git a/crypto/ecdsa-x962.c b/crypto/ecdsa-x962.c new file mode 100644 index 000000000000..ee71594d10a0 --- /dev/null +++ b/crypto/ecdsa-x962.c @@ -0,0 +1,238 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * ECDSA X9.62 signature encoding + * + * Copyright (c) 2021 IBM Corporation + * Copyright (c) 2024 Intel Corporation + */ + +#include <linux/asn1_decoder.h> +#include <linux/err.h> +#include <linux/module.h> +#include <crypto/algapi.h> +#include <crypto/sig.h> +#include <crypto/internal/ecc.h> +#include <crypto/internal/sig.h> + +#include "ecdsasignature.asn1.h" + +struct ecdsa_x962_ctx { + struct crypto_sig *child; +}; + +struct ecdsa_x962_signature_ctx { + struct ecdsa_raw_sig sig; + unsigned int ndigits; +}; + +/* Get the r and s components of a signature from the X.509 certificate. */ +static int ecdsa_get_signature_rs(u64 *dest, size_t hdrlen, unsigned char tag, + const void *value, size_t vlen, + unsigned int ndigits) +{ + size_t bufsize = ndigits * sizeof(u64); + const char *d = value; + + if (!value || !vlen || vlen > bufsize + 1) + return -EINVAL; + + /* + * vlen may be 1 byte larger than bufsize due to a leading zero byte + * (necessary if the most significant bit of the integer is set). + */ + if (vlen > bufsize) { + /* skip over leading zeros that make 'value' a positive int */ + if (*d == 0) { + vlen -= 1; + d++; + } else { + return -EINVAL; + } + } + + ecc_digits_from_bytes(d, vlen, dest, ndigits); + + return 0; +} + +int ecdsa_get_signature_r(void *context, size_t hdrlen, unsigned char tag, + const void *value, size_t vlen) +{ + struct ecdsa_x962_signature_ctx *sig_ctx = context; + + return ecdsa_get_signature_rs(sig_ctx->sig.r, hdrlen, tag, value, vlen, + sig_ctx->ndigits); +} + +int ecdsa_get_signature_s(void *context, size_t hdrlen, unsigned char tag, + const void *value, size_t vlen) +{ + struct ecdsa_x962_signature_ctx *sig_ctx = context; + + return ecdsa_get_signature_rs(sig_ctx->sig.s, hdrlen, tag, value, vlen, + sig_ctx->ndigits); +} + +static int ecdsa_x962_verify(struct crypto_sig *tfm, + const void *src, unsigned int slen, + const void *digest, unsigned int dlen) +{ + struct ecdsa_x962_ctx *ctx = crypto_sig_ctx(tfm); + struct ecdsa_x962_signature_ctx sig_ctx; + int err; + + sig_ctx.ndigits = DIV_ROUND_UP_POW2(crypto_sig_keysize(ctx->child), + sizeof(u64) * BITS_PER_BYTE); + + err = asn1_ber_decoder(&ecdsasignature_decoder, &sig_ctx, src, slen); + if (err < 0) + return err; + + return crypto_sig_verify(ctx->child, &sig_ctx.sig, sizeof(sig_ctx.sig), + digest, dlen); +} + +static unsigned int ecdsa_x962_key_size(struct crypto_sig *tfm) +{ + struct ecdsa_x962_ctx *ctx = crypto_sig_ctx(tfm); + + return crypto_sig_keysize(ctx->child); +} + +static unsigned int ecdsa_x962_max_size(struct crypto_sig *tfm) +{ + struct ecdsa_x962_ctx *ctx = crypto_sig_ctx(tfm); + struct sig_alg *alg = crypto_sig_alg(ctx->child); + int slen = DIV_ROUND_UP_POW2(crypto_sig_keysize(ctx->child), + BITS_PER_BYTE); + + /* + * Verify takes ECDSA-Sig-Value (described in RFC 5480) as input, + * which is actually 2 'key_size'-bit integers encoded in ASN.1. + * Account for the ASN.1 encoding overhead here. + * + * NIST P192/256/384 may prepend a '0' to a coordinate to indicate + * a positive integer. NIST P521 never needs it. + */ + if (strcmp(alg->base.cra_name, "ecdsa-nist-p521") != 0) + slen += 1; + + /* Length of encoding the x & y coordinates */ + slen = 2 * (slen + 2); + + /* + * If coordinate encoding takes at least 128 bytes then an + * additional byte for length encoding is needed. + */ + return 1 + (slen >= 128) + 1 + slen; +} + +static unsigned int ecdsa_x962_digest_size(struct crypto_sig *tfm) +{ + struct ecdsa_x962_ctx *ctx = crypto_sig_ctx(tfm); + + return crypto_sig_digestsize(ctx->child); +} + +static int ecdsa_x962_set_pub_key(struct crypto_sig *tfm, + const void *key, unsigned int keylen) +{ + struct ecdsa_x962_ctx *ctx = crypto_sig_ctx(tfm); + + return crypto_sig_set_pubkey(ctx->child, key, keylen); +} + +static int ecdsa_x962_init_tfm(struct crypto_sig *tfm) +{ + struct sig_instance *inst = sig_alg_instance(tfm); + struct crypto_sig_spawn *spawn = sig_instance_ctx(inst); + struct ecdsa_x962_ctx *ctx = crypto_sig_ctx(tfm); + struct crypto_sig *child_tfm; + + child_tfm = crypto_spawn_sig(spawn); + if (IS_ERR(child_tfm)) + return PTR_ERR(child_tfm); + + ctx->child = child_tfm; + + return 0; +} + +static void ecdsa_x962_exit_tfm(struct crypto_sig *tfm) +{ + struct ecdsa_x962_ctx *ctx = crypto_sig_ctx(tfm); + + crypto_free_sig(ctx->child); +} + +static void ecdsa_x962_free(struct sig_instance *inst) +{ + struct crypto_sig_spawn *spawn = sig_instance_ctx(inst); + + crypto_drop_sig(spawn); + kfree(inst); +} + +static int ecdsa_x962_create(struct crypto_template *tmpl, struct rtattr **tb) +{ + struct crypto_sig_spawn *spawn; + struct sig_instance *inst; + struct sig_alg *ecdsa_alg; + u32 mask; + int err; + + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SIG, &mask); + if (err) + return err; + + inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); + if (!inst) + return -ENOMEM; + + spawn = sig_instance_ctx(inst); + + err = crypto_grab_sig(spawn, sig_crypto_instance(inst), + crypto_attr_alg_name(tb[1]), 0, mask); + if (err) + goto err_free_inst; + + ecdsa_alg = crypto_spawn_sig_alg(spawn); + + err = -EINVAL; + if (strncmp(ecdsa_alg->base.cra_name, "ecdsa", 5) != 0) + goto err_free_inst; + + err = crypto_inst_setname(sig_crypto_instance(inst), tmpl->name, + &ecdsa_alg->base); + if (err) + goto err_free_inst; + + inst->alg.base.cra_priority = ecdsa_alg->base.cra_priority; + inst->alg.base.cra_ctxsize = sizeof(struct ecdsa_x962_ctx); + + inst->alg.init = ecdsa_x962_init_tfm; + inst->alg.exit = ecdsa_x962_exit_tfm; + + inst->alg.verify = ecdsa_x962_verify; + inst->alg.key_size = ecdsa_x962_key_size; + inst->alg.max_size = ecdsa_x962_max_size; + inst->alg.digest_size = ecdsa_x962_digest_size; + inst->alg.set_pub_key = ecdsa_x962_set_pub_key; + + inst->free = ecdsa_x962_free; + + err = sig_register_instance(tmpl, inst); + if (err) { +err_free_inst: + ecdsa_x962_free(inst); + } + return err; +} + +struct crypto_template ecdsa_x962_tmpl = { + .name = "x962", + .create = ecdsa_x962_create, + .module = THIS_MODULE, +}; + +MODULE_ALIAS_CRYPTO("x962"); diff --git a/crypto/ecdsa.c b/crypto/ecdsa.c index fbd76498aba8..ce8e4364842f 100644 --- a/crypto/ecdsa.c +++ b/crypto/ecdsa.c @@ -4,14 +4,11 @@ */ #include <linux/module.h> -#include <crypto/internal/akcipher.h> #include <crypto/internal/ecc.h> -#include <crypto/akcipher.h> +#include <crypto/internal/sig.h> #include <crypto/ecdh.h> -#include <linux/asn1_decoder.h> -#include <linux/scatterlist.h> - -#include "ecdsasignature.asn1.h" +#include <crypto/sha2.h> +#include <crypto/sig.h> struct ecc_ctx { unsigned int curve_id; @@ -23,74 +20,6 @@ struct ecc_ctx { struct ecc_point pub_key; }; -struct ecdsa_signature_ctx { - const struct ecc_curve *curve; - u64 r[ECC_MAX_DIGITS]; - u64 s[ECC_MAX_DIGITS]; -}; - -/* - * Get the r and s components of a signature from the X509 certificate. - */ -static int ecdsa_get_signature_rs(u64 *dest, size_t hdrlen, unsigned char tag, - const void *value, size_t vlen, unsigned int ndigits) -{ - size_t keylen = ndigits * sizeof(u64); - ssize_t diff = vlen - keylen; - const char *d = value; - u8 rs[ECC_MAX_BYTES]; - - if (!value || !vlen) - return -EINVAL; - - /* diff = 0: 'value' has exacly the right size - * diff > 0: 'value' has too many bytes; one leading zero is allowed that - * makes the value a positive integer; error on more - * diff < 0: 'value' is missing leading zeros, which we add - */ - if (diff > 0) { - /* skip over leading zeros that make 'value' a positive int */ - if (*d == 0) { - vlen -= 1; - diff--; - d++; - } - if (diff) - return -EINVAL; - } - if (-diff >= keylen) - return -EINVAL; - - if (diff) { - /* leading zeros not given in 'value' */ - memset(rs, 0, -diff); - } - - memcpy(&rs[-diff], d, vlen); - - ecc_swap_digits((u64 *)rs, dest, ndigits); - - return 0; -} - -int ecdsa_get_signature_r(void *context, size_t hdrlen, unsigned char tag, - const void *value, size_t vlen) -{ - struct ecdsa_signature_ctx *sig = context; - - return ecdsa_get_signature_rs(sig->r, hdrlen, tag, value, vlen, - sig->curve->g.ndigits); -} - -int ecdsa_get_signature_s(void *context, size_t hdrlen, unsigned char tag, - const void *value, size_t vlen) -{ - struct ecdsa_signature_ctx *sig = context; - - return ecdsa_get_signature_rs(sig->s, hdrlen, tag, value, vlen, - sig->curve->g.ndigits); -} - static int _ecdsa_verify(struct ecc_ctx *ctx, const u64 *hash, const u64 *r, const u64 *s) { const struct ecc_curve *curve = ctx->curve; @@ -122,7 +51,7 @@ static int _ecdsa_verify(struct ecc_ctx *ctx, const u64 *hash, const u64 *r, con /* res.x = res.x mod n (if res.x > order) */ if (unlikely(vli_cmp(res.x, curve->n, ndigits) == 1)) - /* faster alternative for NIST p384, p256 & p192 */ + /* faster alternative for NIST p521, p384, p256 & p192 */ vli_sub(res.x, res.x, curve->n, ndigits); if (!vli_cmp(res.x, r, ndigits)) @@ -134,55 +63,27 @@ static int _ecdsa_verify(struct ecc_ctx *ctx, const u64 *hash, const u64 *r, con /* * Verify an ECDSA signature. */ -static int ecdsa_verify(struct akcipher_request *req) +static int ecdsa_verify(struct crypto_sig *tfm, + const void *src, unsigned int slen, + const void *digest, unsigned int dlen) { - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - struct ecc_ctx *ctx = akcipher_tfm_ctx(tfm); - size_t keylen = ctx->curve->g.ndigits * sizeof(u64); - struct ecdsa_signature_ctx sig_ctx = { - .curve = ctx->curve, - }; - u8 rawhash[ECC_MAX_BYTES]; + struct ecc_ctx *ctx = crypto_sig_ctx(tfm); + size_t bufsize = ctx->curve->g.ndigits * sizeof(u64); + const struct ecdsa_raw_sig *sig = src; u64 hash[ECC_MAX_DIGITS]; - unsigned char *buffer; - ssize_t diff; - int ret; if (unlikely(!ctx->pub_key_set)) return -EINVAL; - buffer = kmalloc(req->src_len + req->dst_len, GFP_KERNEL); - if (!buffer) - return -ENOMEM; - - sg_pcopy_to_buffer(req->src, - sg_nents_for_len(req->src, req->src_len + req->dst_len), - buffer, req->src_len + req->dst_len, 0); - - ret = asn1_ber_decoder(&ecdsasignature_decoder, &sig_ctx, - buffer, req->src_len); - if (ret < 0) - goto error; - - /* if the hash is shorter then we will add leading zeros to fit to ndigits */ - diff = keylen - req->dst_len; - if (diff >= 0) { - if (diff) - memset(rawhash, 0, diff); - memcpy(&rawhash[diff], buffer + req->src_len, req->dst_len); - } else if (diff < 0) { - /* given hash is longer, we take the left-most bytes */ - memcpy(&rawhash, buffer + req->src_len, keylen); - } - - ecc_swap_digits((u64 *)rawhash, hash, ctx->curve->g.ndigits); + if (slen != sizeof(*sig)) + return -EINVAL; - ret = _ecdsa_verify(ctx, hash, sig_ctx.r, sig_ctx.s); + if (bufsize > dlen) + bufsize = dlen; -error: - kfree(buffer); + ecc_digits_from_bytes(digest, bufsize, hash, ctx->curve->g.ndigits); - return ret; + return _ecdsa_verify(ctx, hash, sig->r, sig->s); } static int ecdsa_ecc_ctx_init(struct ecc_ctx *ctx, unsigned int curve_id) @@ -215,35 +116,39 @@ static int ecdsa_ecc_ctx_reset(struct ecc_ctx *ctx) } /* - * Set the public key given the raw uncompressed key data from an X509 - * certificate. The key data contain the concatenated X and Y coordinates of - * the public key. + * Set the public ECC key as defined by RFC5480 section 2.2 "Subject Public + * Key". Only the uncompressed format is supported. */ -static int ecdsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, unsigned int keylen) +static int ecdsa_set_pub_key(struct crypto_sig *tfm, const void *key, + unsigned int keylen) { - struct ecc_ctx *ctx = akcipher_tfm_ctx(tfm); + struct ecc_ctx *ctx = crypto_sig_ctx(tfm); + unsigned int digitlen, ndigits; const unsigned char *d = key; - const u64 *digits = (const u64 *)&d[1]; - unsigned int ndigits; int ret; ret = ecdsa_ecc_ctx_reset(ctx); if (ret < 0) return ret; - if (keylen < 1 || (((keylen - 1) >> 1) % sizeof(u64)) != 0) + if (keylen < 1 || ((keylen - 1) & 1) != 0) return -EINVAL; /* we only accept uncompressed format indicated by '4' */ if (d[0] != 4) return -EINVAL; keylen--; - ndigits = (keylen >> 1) / sizeof(u64); + digitlen = keylen >> 1; + + ndigits = DIV_ROUND_UP(digitlen, sizeof(u64)); if (ndigits != ctx->curve->g.ndigits) return -EINVAL; - ecc_swap_digits(digits, ctx->pub_key.x, ndigits); - ecc_swap_digits(&digits[ndigits], ctx->pub_key.y, ndigits); + d++; + + ecc_digits_from_bytes(d, digitlen, ctx->pub_key.x, ndigits); + ecc_digits_from_bytes(&d[digitlen], digitlen, ctx->pub_key.y, ndigits); + ret = ecc_is_pubkey_valid_full(ctx->curve, &ctx->pub_key); ctx->pub_key_set = ret == 0; @@ -251,31 +156,66 @@ static int ecdsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, unsig return ret; } -static void ecdsa_exit_tfm(struct crypto_akcipher *tfm) +static void ecdsa_exit_tfm(struct crypto_sig *tfm) { - struct ecc_ctx *ctx = akcipher_tfm_ctx(tfm); + struct ecc_ctx *ctx = crypto_sig_ctx(tfm); ecdsa_ecc_ctx_deinit(ctx); } -static unsigned int ecdsa_max_size(struct crypto_akcipher *tfm) +static unsigned int ecdsa_key_size(struct crypto_sig *tfm) { - struct ecc_ctx *ctx = akcipher_tfm_ctx(tfm); + struct ecc_ctx *ctx = crypto_sig_ctx(tfm); - return ctx->pub_key.ndigits << ECC_DIGITS_TO_BYTES_SHIFT; + return ctx->curve->nbits; +} + +static unsigned int ecdsa_digest_size(struct crypto_sig *tfm) +{ + /* + * ECDSA key sizes are much smaller than RSA, and thus could + * operate on (hashed) inputs that are larger than the key size. + * E.g. SHA384-hashed input used with secp256r1 based keys. + * Return the largest supported hash size (SHA512). + */ + return SHA512_DIGEST_SIZE; } -static int ecdsa_nist_p384_init_tfm(struct crypto_akcipher *tfm) +static int ecdsa_nist_p521_init_tfm(struct crypto_sig *tfm) { - struct ecc_ctx *ctx = akcipher_tfm_ctx(tfm); + struct ecc_ctx *ctx = crypto_sig_ctx(tfm); + + return ecdsa_ecc_ctx_init(ctx, ECC_CURVE_NIST_P521); +} + +static struct sig_alg ecdsa_nist_p521 = { + .verify = ecdsa_verify, + .set_pub_key = ecdsa_set_pub_key, + .key_size = ecdsa_key_size, + .digest_size = ecdsa_digest_size, + .init = ecdsa_nist_p521_init_tfm, + .exit = ecdsa_exit_tfm, + .base = { + .cra_name = "ecdsa-nist-p521", + .cra_driver_name = "ecdsa-nist-p521-generic", + .cra_priority = 100, + .cra_module = THIS_MODULE, + .cra_ctxsize = sizeof(struct ecc_ctx), + }, +}; + +static int ecdsa_nist_p384_init_tfm(struct crypto_sig *tfm) +{ + struct ecc_ctx *ctx = crypto_sig_ctx(tfm); return ecdsa_ecc_ctx_init(ctx, ECC_CURVE_NIST_P384); } -static struct akcipher_alg ecdsa_nist_p384 = { +static struct sig_alg ecdsa_nist_p384 = { .verify = ecdsa_verify, .set_pub_key = ecdsa_set_pub_key, - .max_size = ecdsa_max_size, + .key_size = ecdsa_key_size, + .digest_size = ecdsa_digest_size, .init = ecdsa_nist_p384_init_tfm, .exit = ecdsa_exit_tfm, .base = { @@ -287,17 +227,18 @@ static struct akcipher_alg ecdsa_nist_p384 = { }, }; -static int ecdsa_nist_p256_init_tfm(struct crypto_akcipher *tfm) +static int ecdsa_nist_p256_init_tfm(struct crypto_sig *tfm) { - struct ecc_ctx *ctx = akcipher_tfm_ctx(tfm); + struct ecc_ctx *ctx = crypto_sig_ctx(tfm); return ecdsa_ecc_ctx_init(ctx, ECC_CURVE_NIST_P256); } -static struct akcipher_alg ecdsa_nist_p256 = { +static struct sig_alg ecdsa_nist_p256 = { .verify = ecdsa_verify, .set_pub_key = ecdsa_set_pub_key, - .max_size = ecdsa_max_size, + .key_size = ecdsa_key_size, + .digest_size = ecdsa_digest_size, .init = ecdsa_nist_p256_init_tfm, .exit = ecdsa_exit_tfm, .base = { @@ -309,17 +250,18 @@ static struct akcipher_alg ecdsa_nist_p256 = { }, }; -static int ecdsa_nist_p192_init_tfm(struct crypto_akcipher *tfm) +static int ecdsa_nist_p192_init_tfm(struct crypto_sig *tfm) { - struct ecc_ctx *ctx = akcipher_tfm_ctx(tfm); + struct ecc_ctx *ctx = crypto_sig_ctx(tfm); return ecdsa_ecc_ctx_init(ctx, ECC_CURVE_NIST_P192); } -static struct akcipher_alg ecdsa_nist_p192 = { +static struct sig_alg ecdsa_nist_p192 = { .verify = ecdsa_verify, .set_pub_key = ecdsa_set_pub_key, - .max_size = ecdsa_max_size, + .key_size = ecdsa_key_size, + .digest_size = ecdsa_digest_size, .init = ecdsa_nist_p192_init_tfm, .exit = ecdsa_exit_tfm, .base = { @@ -337,40 +279,69 @@ static int __init ecdsa_init(void) int ret; /* NIST p192 may not be available in FIPS mode */ - ret = crypto_register_akcipher(&ecdsa_nist_p192); + ret = crypto_register_sig(&ecdsa_nist_p192); ecdsa_nist_p192_registered = ret == 0; - ret = crypto_register_akcipher(&ecdsa_nist_p256); + ret = crypto_register_sig(&ecdsa_nist_p256); if (ret) goto nist_p256_error; - ret = crypto_register_akcipher(&ecdsa_nist_p384); + ret = crypto_register_sig(&ecdsa_nist_p384); if (ret) goto nist_p384_error; + ret = crypto_register_sig(&ecdsa_nist_p521); + if (ret) + goto nist_p521_error; + + ret = crypto_register_template(&ecdsa_x962_tmpl); + if (ret) + goto x962_tmpl_error; + + ret = crypto_register_template(&ecdsa_p1363_tmpl); + if (ret) + goto p1363_tmpl_error; + return 0; +p1363_tmpl_error: + crypto_unregister_template(&ecdsa_x962_tmpl); + +x962_tmpl_error: + crypto_unregister_sig(&ecdsa_nist_p521); + +nist_p521_error: + crypto_unregister_sig(&ecdsa_nist_p384); + nist_p384_error: - crypto_unregister_akcipher(&ecdsa_nist_p256); + crypto_unregister_sig(&ecdsa_nist_p256); nist_p256_error: if (ecdsa_nist_p192_registered) - crypto_unregister_akcipher(&ecdsa_nist_p192); + crypto_unregister_sig(&ecdsa_nist_p192); return ret; } static void __exit ecdsa_exit(void) { + crypto_unregister_template(&ecdsa_x962_tmpl); + crypto_unregister_template(&ecdsa_p1363_tmpl); + if (ecdsa_nist_p192_registered) - crypto_unregister_akcipher(&ecdsa_nist_p192); - crypto_unregister_akcipher(&ecdsa_nist_p256); - crypto_unregister_akcipher(&ecdsa_nist_p384); + crypto_unregister_sig(&ecdsa_nist_p192); + crypto_unregister_sig(&ecdsa_nist_p256); + crypto_unregister_sig(&ecdsa_nist_p384); + crypto_unregister_sig(&ecdsa_nist_p521); } -subsys_initcall(ecdsa_init); +module_init(ecdsa_init); module_exit(ecdsa_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Stefan Berger <stefanb@linux.ibm.com>"); MODULE_DESCRIPTION("ECDSA generic algorithm"); +MODULE_ALIAS_CRYPTO("ecdsa-nist-p192"); +MODULE_ALIAS_CRYPTO("ecdsa-nist-p256"); +MODULE_ALIAS_CRYPTO("ecdsa-nist-p384"); +MODULE_ALIAS_CRYPTO("ecdsa-nist-p521"); MODULE_ALIAS_CRYPTO("ecdsa-generic"); diff --git a/crypto/echainiv.c b/crypto/echainiv.c index 69686668625e..e0a2d3209938 100644 --- a/crypto/echainiv.c +++ b/crypto/echainiv.c @@ -32,7 +32,6 @@ static int echainiv_encrypt(struct aead_request *req) u64 seqno; u8 *info; unsigned int ivsize = crypto_aead_ivsize(geniv); - int err; if (req->cryptlen < ivsize) return -EINVAL; @@ -41,20 +40,9 @@ static int echainiv_encrypt(struct aead_request *req) info = req->iv; - if (req->src != req->dst) { - SYNC_SKCIPHER_REQUEST_ON_STACK(nreq, ctx->sknull); - - skcipher_request_set_sync_tfm(nreq, ctx->sknull); - skcipher_request_set_callback(nreq, req->base.flags, - NULL, NULL); - skcipher_request_set_crypt(nreq, req->src, req->dst, - req->assoclen + req->cryptlen, - NULL); - - err = crypto_skcipher_encrypt(nreq); - if (err) - return err; - } + if (req->src != req->dst) + memcpy_sglist(req->dst, req->src, + req->assoclen + req->cryptlen); aead_request_set_callback(subreq, req->base.flags, req->base.complete, req->base.data); @@ -157,7 +145,7 @@ static void __exit echainiv_module_exit(void) crypto_unregister_template(&echainiv_tmpl); } -subsys_initcall(echainiv_module_init); +module_init(echainiv_module_init); module_exit(echainiv_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/ecrdsa.c b/crypto/ecrdsa.c index f3c6b5e15e75..2c0602f0cd40 100644 --- a/crypto/ecrdsa.c +++ b/crypto/ecrdsa.c @@ -18,12 +18,11 @@ #include <linux/module.h> #include <linux/crypto.h> +#include <crypto/sig.h> #include <crypto/streebog.h> -#include <crypto/internal/akcipher.h> #include <crypto/internal/ecc.h> -#include <crypto/akcipher.h> +#include <crypto/internal/sig.h> #include <linux/oid_registry.h> -#include <linux/scatterlist.h> #include "ecrdsa_params.asn1.h" #include "ecrdsa_pub_key.asn1.h" #include "ecrdsa_defs.h" @@ -68,13 +67,12 @@ static const struct ecc_curve *get_curve_by_oid(enum OID oid) } } -static int ecrdsa_verify(struct akcipher_request *req) +static int ecrdsa_verify(struct crypto_sig *tfm, + const void *src, unsigned int slen, + const void *digest, unsigned int dlen) { - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - struct ecrdsa_ctx *ctx = akcipher_tfm_ctx(tfm); - unsigned char sig[ECRDSA_MAX_SIG_SIZE]; - unsigned char digest[STREEBOG512_DIGEST_SIZE]; - unsigned int ndigits = req->dst_len / sizeof(u64); + struct ecrdsa_ctx *ctx = crypto_sig_ctx(tfm); + unsigned int ndigits = dlen / sizeof(u64); u64 r[ECRDSA_MAX_DIGITS]; /* witness (r) */ u64 _r[ECRDSA_MAX_DIGITS]; /* -r */ u64 s[ECRDSA_MAX_DIGITS]; /* second part of sig (s) */ @@ -91,25 +89,19 @@ static int ecrdsa_verify(struct akcipher_request *req) */ if (!ctx->curve || !ctx->digest || - !req->src || + !src || + !digest || !ctx->pub_key.x || - req->dst_len != ctx->digest_len || - req->dst_len != ctx->curve->g.ndigits * sizeof(u64) || + dlen != ctx->digest_len || + dlen != ctx->curve->g.ndigits * sizeof(u64) || ctx->pub_key.ndigits != ctx->curve->g.ndigits || - req->dst_len * 2 != req->src_len || - WARN_ON(req->src_len > sizeof(sig)) || - WARN_ON(req->dst_len > sizeof(digest))) + dlen * 2 != slen || + WARN_ON(slen > ECRDSA_MAX_SIG_SIZE) || + WARN_ON(dlen > STREEBOG512_DIGEST_SIZE)) return -EBADMSG; - sg_copy_to_buffer(req->src, sg_nents_for_len(req->src, req->src_len), - sig, req->src_len); - sg_pcopy_to_buffer(req->src, - sg_nents_for_len(req->src, - req->src_len + req->dst_len), - digest, req->dst_len, req->src_len); - - vli_from_be64(s, sig, ndigits); - vli_from_be64(r, sig + ndigits * sizeof(u64), ndigits); + vli_from_be64(s, src, ndigits); + vli_from_be64(r, src + ndigits * sizeof(u64), ndigits); /* Step 1: verify that 0 < r < q, 0 < s < q */ if (vli_is_zero(r, ndigits) || @@ -188,10 +180,10 @@ static u8 *ecrdsa_unpack_u32(u32 *dst, void *src) } /* Parse BER encoded subjectPublicKey. */ -static int ecrdsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, +static int ecrdsa_set_pub_key(struct crypto_sig *tfm, const void *key, unsigned int keylen) { - struct ecrdsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct ecrdsa_ctx *ctx = crypto_sig_ctx(tfm); unsigned int ndigits; u32 algo, paramlen; u8 *params; @@ -249,24 +241,32 @@ static int ecrdsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, return 0; } -static unsigned int ecrdsa_max_size(struct crypto_akcipher *tfm) +static unsigned int ecrdsa_key_size(struct crypto_sig *tfm) { - struct ecrdsa_ctx *ctx = akcipher_tfm_ctx(tfm); + struct ecrdsa_ctx *ctx = crypto_sig_ctx(tfm); /* * Verify doesn't need any output, so it's just informational * for keyctl to determine the key bit size. */ - return ctx->pub_key.ndigits * sizeof(u64); + return ctx->pub_key.ndigits * sizeof(u64) * BITS_PER_BYTE; +} + +static unsigned int ecrdsa_max_size(struct crypto_sig *tfm) +{ + struct ecrdsa_ctx *ctx = crypto_sig_ctx(tfm); + + return 2 * ctx->pub_key.ndigits * sizeof(u64); } -static void ecrdsa_exit_tfm(struct crypto_akcipher *tfm) +static void ecrdsa_exit_tfm(struct crypto_sig *tfm) { } -static struct akcipher_alg ecrdsa_alg = { +static struct sig_alg ecrdsa_alg = { .verify = ecrdsa_verify, .set_pub_key = ecrdsa_set_pub_key, + .key_size = ecrdsa_key_size, .max_size = ecrdsa_max_size, .exit = ecrdsa_exit_tfm, .base = { @@ -280,12 +280,12 @@ static struct akcipher_alg ecrdsa_alg = { static int __init ecrdsa_mod_init(void) { - return crypto_register_akcipher(&ecrdsa_alg); + return crypto_register_sig(&ecrdsa_alg); } static void __exit ecrdsa_mod_fini(void) { - crypto_unregister_akcipher(&ecrdsa_alg); + crypto_unregister_sig(&ecrdsa_alg); } module_init(ecrdsa_mod_init); @@ -294,4 +294,5 @@ module_exit(ecrdsa_mod_fini); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Vitaly Chikunov <vt@altlinux.org>"); MODULE_DESCRIPTION("EC-RDSA generic algorithm"); +MODULE_ALIAS_CRYPTO("ecrdsa"); MODULE_ALIAS_CRYPTO("ecrdsa-generic"); diff --git a/crypto/ecrdsa_defs.h b/crypto/ecrdsa_defs.h index 0056335b9d03..1c2c2449e331 100644 --- a/crypto/ecrdsa_defs.h +++ b/crypto/ecrdsa_defs.h @@ -47,6 +47,7 @@ static u64 cp256a_b[] = { static struct ecc_curve gost_cp256a = { .name = "cp256a", + .nbits = 256, .g = { .x = cp256a_g_x, .y = cp256a_g_y, @@ -80,6 +81,7 @@ static u64 cp256b_b[] = { static struct ecc_curve gost_cp256b = { .name = "cp256b", + .nbits = 256, .g = { .x = cp256b_g_x, .y = cp256b_g_y, @@ -117,6 +119,7 @@ static u64 cp256c_b[] = { static struct ecc_curve gost_cp256c = { .name = "cp256c", + .nbits = 256, .g = { .x = cp256c_g_x, .y = cp256c_g_y, @@ -166,6 +169,7 @@ static u64 tc512a_b[] = { static struct ecc_curve gost_tc512a = { .name = "tc512a", + .nbits = 512, .g = { .x = tc512a_g_x, .y = tc512a_g_y, @@ -211,6 +215,7 @@ static u64 tc512b_b[] = { static struct ecc_curve gost_tc512b = { .name = "tc512b", + .nbits = 512, .g = { .x = tc512b_g_x, .y = tc512b_g_y, diff --git a/crypto/essiv.c b/crypto/essiv.c index f7d4ef4837e5..a47a3eab6935 100644 --- a/crypto/essiv.c +++ b/crypto/essiv.c @@ -186,9 +186,14 @@ static int essiv_aead_crypt(struct aead_request *req, bool enc) const struct essiv_tfm_ctx *tctx = crypto_aead_ctx(tfm); struct essiv_aead_request_ctx *rctx = aead_request_ctx(req); struct aead_request *subreq = &rctx->aead_req; + int ivsize = crypto_aead_ivsize(tfm); + int ssize = req->assoclen - ivsize; struct scatterlist *src = req->src; int err; + if (ssize < 0) + return -EINVAL; + crypto_cipher_encrypt_one(tctx->essiv_cipher, req->iv, req->iv); /* @@ -198,19 +203,12 @@ static int essiv_aead_crypt(struct aead_request *req, bool enc) */ rctx->assoc = NULL; if (req->src == req->dst || !enc) { - scatterwalk_map_and_copy(req->iv, req->dst, - req->assoclen - crypto_aead_ivsize(tfm), - crypto_aead_ivsize(tfm), 1); + scatterwalk_map_and_copy(req->iv, req->dst, ssize, ivsize, 1); } else { u8 *iv = (u8 *)aead_request_ctx(req) + tctx->ivoffset; - int ivsize = crypto_aead_ivsize(tfm); - int ssize = req->assoclen - ivsize; struct scatterlist *sg; int nents; - if (ssize < 0) - return -EINVAL; - nents = sg_nents_for_len(req->src, ssize); if (nents < 0) return -EINVAL; @@ -405,8 +403,7 @@ static bool parse_cipher_name(char *essiv_cipher_name, const char *cra_name) if (len >= CRYPTO_MAX_ALG_NAME) return false; - memcpy(essiv_cipher_name, p, len); - essiv_cipher_name[len] = '\0'; + strscpy(essiv_cipher_name, p, len + 1); return true; } @@ -442,6 +439,7 @@ out: static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) { + struct skcipher_alg_common *skcipher_alg = NULL; struct crypto_attr_type *algt; const char *inner_cipher_name; const char *shash_name; @@ -450,7 +448,6 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) struct crypto_instance *inst; struct crypto_alg *base, *block_base; struct essiv_instance_ctx *ictx; - struct skcipher_alg *skcipher_alg = NULL; struct aead_alg *aead_alg = NULL; struct crypto_alg *_hash_alg; struct shash_alg *hash_alg; @@ -475,7 +472,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) mask = crypto_algt_inherited_mask(algt); switch (type) { - case CRYPTO_ALG_TYPE_SKCIPHER: + case CRYPTO_ALG_TYPE_LSKCIPHER: skcipher_inst = kzalloc(sizeof(*skcipher_inst) + sizeof(*ictx), GFP_KERNEL); if (!skcipher_inst) @@ -489,9 +486,10 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) inner_cipher_name, 0, mask); if (err) goto out_free_inst; - skcipher_alg = crypto_spawn_skcipher_alg(&ictx->u.skcipher_spawn); + skcipher_alg = crypto_spawn_skcipher_alg_common( + &ictx->u.skcipher_spawn); block_base = &skcipher_alg->base; - ivsize = crypto_skcipher_alg_ivsize(skcipher_alg); + ivsize = skcipher_alg->ivsize; break; case CRYPTO_ALG_TYPE_AEAD: @@ -548,8 +546,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) } /* record the driver name so we can instantiate this exact algo later */ - strscpy(ictx->shash_driver_name, hash_alg->base.cra_driver_name, - CRYPTO_MAX_ALG_NAME); + strscpy(ictx->shash_driver_name, hash_alg->base.cra_driver_name); /* Instance fields */ @@ -574,18 +571,17 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) base->cra_alignmask = block_base->cra_alignmask; base->cra_priority = block_base->cra_priority; - if (type == CRYPTO_ALG_TYPE_SKCIPHER) { + if (type == CRYPTO_ALG_TYPE_LSKCIPHER) { skcipher_inst->alg.setkey = essiv_skcipher_setkey; skcipher_inst->alg.encrypt = essiv_skcipher_encrypt; skcipher_inst->alg.decrypt = essiv_skcipher_decrypt; skcipher_inst->alg.init = essiv_skcipher_init_tfm; skcipher_inst->alg.exit = essiv_skcipher_exit_tfm; - skcipher_inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(skcipher_alg); - skcipher_inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(skcipher_alg); + skcipher_inst->alg.min_keysize = skcipher_alg->min_keysize; + skcipher_inst->alg.max_keysize = skcipher_alg->max_keysize; skcipher_inst->alg.ivsize = ivsize; - skcipher_inst->alg.chunksize = crypto_skcipher_alg_chunksize(skcipher_alg); - skcipher_inst->alg.walksize = crypto_skcipher_alg_walksize(skcipher_alg); + skcipher_inst->alg.chunksize = skcipher_alg->chunksize; skcipher_inst->free = essiv_skcipher_free_instance; @@ -616,7 +612,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) out_free_hash: crypto_mod_put(_hash_alg); out_drop_skcipher: - if (type == CRYPTO_ALG_TYPE_SKCIPHER) + if (type == CRYPTO_ALG_TYPE_LSKCIPHER) crypto_drop_skcipher(&ictx->u.skcipher_spawn); else crypto_drop_aead(&ictx->u.aead_spawn); @@ -643,10 +639,10 @@ static void __exit essiv_module_exit(void) crypto_unregister_template(&essiv_tmpl); } -subsys_initcall(essiv_module_init); +module_init(essiv_module_init); module_exit(essiv_module_exit); MODULE_DESCRIPTION("ESSIV skcipher/aead wrapper for block encryption"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS_CRYPTO("essiv"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/fcrypt.c b/crypto/fcrypt.c index 95a16e88899b..80036835cec5 100644 --- a/crypto/fcrypt.c +++ b/crypto/fcrypt.c @@ -411,7 +411,7 @@ static void __exit fcrypt_mod_fini(void) crypto_unregister_alg(&fcrypt_alg); } -subsys_initcall(fcrypt_mod_init); +module_init(fcrypt_mod_init); module_exit(fcrypt_mod_fini); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/crypto/fips.c b/crypto/fips.c index 92fd506abb21..65d2bc070a26 100644 --- a/crypto/fips.c +++ b/crypto/fips.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/sysctl.h> #include <linux/notifier.h> +#include <linux/string_choices.h> #include <generated/utsrelease.h> int fips_enabled; @@ -23,9 +24,11 @@ EXPORT_SYMBOL_GPL(fips_fail_notif_chain); /* Process kernel command-line parameter at boot time. fips=0 or fips=1 */ static int fips_enable(char *str) { - fips_enabled = !!simple_strtol(str, NULL, 0); - printk(KERN_INFO "fips mode: %s\n", - fips_enabled ? "enabled" : "disabled"); + if (kstrtoint(str, 0, &fips_enabled)) + return 0; + + fips_enabled = !!fips_enabled; + pr_info("fips mode: %s\n", str_enabled_disabled(fips_enabled)); return 1; } @@ -41,7 +44,7 @@ __setup("fips=", fips_enable); static char fips_name[] = FIPS_MODULE_NAME; static char fips_version[] = FIPS_MODULE_VERSION; -static struct ctl_table crypto_sysctl_table[] = { +static const struct ctl_table crypto_sysctl_table[] = { { .procname = "fips_enabled", .data = &fips_enabled, @@ -63,7 +66,6 @@ static struct ctl_table crypto_sysctl_table[] = { .mode = 0444, .proc_handler = proc_dostring }, - {} }; static struct ctl_table_header *crypto_sysctls; @@ -96,5 +98,5 @@ static void __exit fips_exit(void) crypto_proc_fips_exit(); } -subsys_initcall(fips_init); +module_init(fips_init); module_exit(fips_exit); diff --git a/crypto/gcm.c b/crypto/gcm.c index 4ba624450c3f..97716482bed0 100644 --- a/crypto/gcm.c +++ b/crypto/gcm.c @@ -9,7 +9,6 @@ #include <crypto/internal/aead.h> #include <crypto/internal/skcipher.h> #include <crypto/internal/hash.h> -#include <crypto/null.h> #include <crypto/scatterwalk.h> #include <crypto/gcm.h> #include <crypto/hash.h> @@ -46,7 +45,6 @@ struct crypto_rfc4543_instance_ctx { struct crypto_rfc4543_ctx { struct crypto_aead *child; - struct crypto_sync_skcipher *null; u8 nonce[4]; }; @@ -79,8 +77,6 @@ static struct { struct scatterlist sg; } *gcm_zeroes; -static int crypto_rfc4543_copy_src_to_dst(struct aead_request *req, bool enc); - static inline struct crypto_gcm_req_priv_ctx *crypto_gcm_reqctx( struct aead_request *req) { @@ -576,10 +572,10 @@ static int crypto_gcm_create_common(struct crypto_template *tmpl, const char *ctr_name, const char *ghash_name) { + struct skcipher_alg_common *ctr; u32 mask; struct aead_instance *inst; struct gcm_instance_ctx *ctx; - struct skcipher_alg *ctr; struct hash_alg_common *ghash; int err; @@ -607,13 +603,12 @@ static int crypto_gcm_create_common(struct crypto_template *tmpl, ctr_name, 0, mask); if (err) goto err_free_inst; - ctr = crypto_spawn_skcipher_alg(&ctx->ctr); + ctr = crypto_spawn_skcipher_alg_common(&ctx->ctr); /* The skcipher algorithm must be CTR mode, using 16-byte blocks. */ err = -EINVAL; if (strncmp(ctr->base.cra_name, "ctr(", 4) != 0 || - crypto_skcipher_alg_ivsize(ctr) != 16 || - ctr->base.cra_blocksize != 1) + ctr->ivsize != 16 || ctr->base.cra_blocksize != 1) goto err_free_inst; err = -ENAMETOOLONG; @@ -630,11 +625,10 @@ static int crypto_gcm_create_common(struct crypto_template *tmpl, inst->alg.base.cra_priority = (ghash->base.cra_priority + ctr->base.cra_priority) / 2; inst->alg.base.cra_blocksize = 1; - inst->alg.base.cra_alignmask = ghash->base.cra_alignmask | - ctr->base.cra_alignmask; + inst->alg.base.cra_alignmask = ctr->base.cra_alignmask; inst->alg.base.cra_ctxsize = sizeof(struct crypto_gcm_ctx); inst->alg.ivsize = GCM_AES_IV_SIZE; - inst->alg.chunksize = crypto_skcipher_alg_chunksize(ctr); + inst->alg.chunksize = ctr->chunksize; inst->alg.maxauthsize = 16; inst->alg.init = crypto_gcm_init_tfm; inst->alg.exit = crypto_gcm_exit_tfm; @@ -932,12 +926,12 @@ static int crypto_rfc4543_crypt(struct aead_request *req, bool enc) unsigned int authsize = crypto_aead_authsize(aead); u8 *iv = PTR_ALIGN((u8 *)(rctx + 1) + crypto_aead_reqsize(ctx->child), crypto_aead_alignmask(ctx->child) + 1); - int err; if (req->src != req->dst) { - err = crypto_rfc4543_copy_src_to_dst(req, enc); - if (err) - return err; + unsigned int nbytes = req->assoclen + req->cryptlen - + (enc ? 0 : authsize); + + memcpy_sglist(req->dst, req->src, nbytes); } memcpy(iv, ctx->nonce, 4); @@ -954,22 +948,6 @@ static int crypto_rfc4543_crypt(struct aead_request *req, bool enc) return enc ? crypto_aead_encrypt(subreq) : crypto_aead_decrypt(subreq); } -static int crypto_rfc4543_copy_src_to_dst(struct aead_request *req, bool enc) -{ - struct crypto_aead *aead = crypto_aead_reqtfm(req); - struct crypto_rfc4543_ctx *ctx = crypto_aead_ctx(aead); - unsigned int authsize = crypto_aead_authsize(aead); - unsigned int nbytes = req->assoclen + req->cryptlen - - (enc ? 0 : authsize); - SYNC_SKCIPHER_REQUEST_ON_STACK(nreq, ctx->null); - - skcipher_request_set_sync_tfm(nreq, ctx->null); - skcipher_request_set_callback(nreq, req->base.flags, NULL, NULL); - skcipher_request_set_crypt(nreq, req->src, req->dst, nbytes, NULL); - - return crypto_skcipher_encrypt(nreq); -} - static int crypto_rfc4543_encrypt(struct aead_request *req) { return crypto_ipsec_check_assoclen(req->assoclen) ?: @@ -989,21 +967,13 @@ static int crypto_rfc4543_init_tfm(struct crypto_aead *tfm) struct crypto_aead_spawn *spawn = &ictx->aead; struct crypto_rfc4543_ctx *ctx = crypto_aead_ctx(tfm); struct crypto_aead *aead; - struct crypto_sync_skcipher *null; unsigned long align; - int err = 0; aead = crypto_spawn_aead(spawn); if (IS_ERR(aead)) return PTR_ERR(aead); - null = crypto_get_default_null_skcipher(); - err = PTR_ERR(null); - if (IS_ERR(null)) - goto err_free_aead; - ctx->child = aead; - ctx->null = null; align = crypto_aead_alignmask(aead); align &= ~(crypto_tfm_ctx_alignment() - 1); @@ -1014,10 +984,6 @@ static int crypto_rfc4543_init_tfm(struct crypto_aead *tfm) align + GCM_AES_IV_SIZE); return 0; - -err_free_aead: - crypto_free_aead(aead); - return err; } static void crypto_rfc4543_exit_tfm(struct crypto_aead *tfm) @@ -1025,7 +991,6 @@ static void crypto_rfc4543_exit_tfm(struct crypto_aead *tfm) struct crypto_rfc4543_ctx *ctx = crypto_aead_ctx(tfm); crypto_free_aead(ctx->child); - crypto_put_default_null_skcipher(); } static void crypto_rfc4543_free(struct aead_instance *inst) @@ -1154,7 +1119,7 @@ static void __exit crypto_gcm_module_exit(void) ARRAY_SIZE(crypto_gcm_tmpls)); } -subsys_initcall(crypto_gcm_module_init); +module_init(crypto_gcm_module_init); module_exit(crypto_gcm_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/geniv.c b/crypto/geniv.c index bee4621b4f12..42eff6a7387c 100644 --- a/crypto/geniv.c +++ b/crypto/geniv.c @@ -9,7 +9,6 @@ #include <crypto/internal/geniv.h> #include <crypto/internal/rng.h> -#include <crypto/null.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> @@ -125,15 +124,10 @@ int aead_init_geniv(struct crypto_aead *aead) if (err) goto out; - ctx->sknull = crypto_get_default_null_skcipher(); - err = PTR_ERR(ctx->sknull); - if (IS_ERR(ctx->sknull)) - goto out; - child = crypto_spawn_aead(aead_instance_ctx(inst)); err = PTR_ERR(child); if (IS_ERR(child)) - goto drop_null; + goto out; ctx->child = child; crypto_aead_set_reqsize(aead, crypto_aead_reqsize(child) + @@ -143,10 +137,6 @@ int aead_init_geniv(struct crypto_aead *aead) out: return err; - -drop_null: - crypto_put_default_null_skcipher(); - goto out; } EXPORT_SYMBOL_GPL(aead_init_geniv); @@ -155,7 +145,6 @@ void aead_exit_geniv(struct crypto_aead *tfm) struct aead_geniv_ctx *ctx = crypto_aead_ctx(tfm); crypto_free_aead(ctx->child); - crypto_put_default_null_skcipher(); } EXPORT_SYMBOL_GPL(aead_exit_geniv); diff --git a/crypto/ghash-generic.c b/crypto/ghash-generic.c index c70d163c1ac9..e5803c249c12 100644 --- a/crypto/ghash-generic.c +++ b/crypto/ghash-generic.c @@ -34,14 +34,14 @@ * (https://csrc.nist.gov/publications/detail/sp/800-38d/final) */ -#include <crypto/algapi.h> #include <crypto/gf128mul.h> #include <crypto/ghash.h> #include <crypto/internal/hash.h> -#include <linux/crypto.h> -#include <linux/init.h> +#include <crypto/utils.h> +#include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/string.h> static int ghash_init(struct shash_desc *desc) { @@ -82,59 +82,36 @@ static int ghash_update(struct shash_desc *desc, struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm); u8 *dst = dctx->buffer; - if (dctx->bytes) { - int n = min(srclen, dctx->bytes); - u8 *pos = dst + (GHASH_BLOCK_SIZE - dctx->bytes); - - dctx->bytes -= n; - srclen -= n; - - while (n--) - *pos++ ^= *src++; - - if (!dctx->bytes) - gf128mul_4k_lle((be128 *)dst, ctx->gf128); - } - - while (srclen >= GHASH_BLOCK_SIZE) { + do { crypto_xor(dst, src, GHASH_BLOCK_SIZE); gf128mul_4k_lle((be128 *)dst, ctx->gf128); src += GHASH_BLOCK_SIZE; srclen -= GHASH_BLOCK_SIZE; - } - - if (srclen) { - dctx->bytes = GHASH_BLOCK_SIZE - srclen; - while (srclen--) - *dst++ ^= *src++; - } + } while (srclen >= GHASH_BLOCK_SIZE); - return 0; + return srclen; } -static void ghash_flush(struct ghash_ctx *ctx, struct ghash_desc_ctx *dctx) +static void ghash_flush(struct shash_desc *desc, const u8 *src, + unsigned int len) { + struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm); + struct ghash_desc_ctx *dctx = shash_desc_ctx(desc); u8 *dst = dctx->buffer; - if (dctx->bytes) { - u8 *tmp = dst + (GHASH_BLOCK_SIZE - dctx->bytes); - - while (dctx->bytes--) - *tmp++ ^= 0; - + if (len) { + crypto_xor(dst, src, len); gf128mul_4k_lle((be128 *)dst, ctx->gf128); } - - dctx->bytes = 0; } -static int ghash_final(struct shash_desc *desc, u8 *dst) +static int ghash_finup(struct shash_desc *desc, const u8 *src, + unsigned int len, u8 *dst) { struct ghash_desc_ctx *dctx = shash_desc_ctx(desc); - struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm); u8 *buf = dctx->buffer; - ghash_flush(ctx, dctx); + ghash_flush(desc, src, len); memcpy(dst, buf, GHASH_BLOCK_SIZE); return 0; @@ -151,13 +128,14 @@ static struct shash_alg ghash_alg = { .digestsize = GHASH_DIGEST_SIZE, .init = ghash_init, .update = ghash_update, - .final = ghash_final, + .finup = ghash_finup, .setkey = ghash_setkey, .descsize = sizeof(struct ghash_desc_ctx), .base = { .cra_name = "ghash", .cra_driver_name = "ghash-generic", .cra_priority = 100, + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, .cra_blocksize = GHASH_BLOCK_SIZE, .cra_ctxsize = sizeof(struct ghash_ctx), .cra_module = THIS_MODULE, @@ -175,7 +153,7 @@ static void __exit ghash_mod_exit(void) crypto_unregister_shash(&ghash_alg); } -subsys_initcall(ghash_mod_init); +module_init(ghash_mod_init); module_exit(ghash_mod_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/hash.h b/crypto/hash.h index 7e6c1a948692..cf9aee07f77d 100644 --- a/crypto/hash.h +++ b/crypto/hash.h @@ -8,32 +8,10 @@ #define _LOCAL_CRYPTO_HASH_H #include <crypto/internal/hash.h> -#include <linux/cryptouser.h> #include "internal.h" -static inline int crypto_hash_report_stat(struct sk_buff *skb, - struct crypto_alg *alg, - const char *type) -{ - struct hash_alg_common *halg = __crypto_hash_alg_common(alg); - struct crypto_istat_hash *istat = hash_get_stat(halg); - struct crypto_stat_hash rhash; - - memset(&rhash, 0, sizeof(rhash)); - - strscpy(rhash.type, type, sizeof(rhash.type)); - - rhash.stat_hash_cnt = atomic64_read(&istat->hash_cnt); - rhash.stat_hash_tlen = atomic64_read(&istat->hash_tlen); - rhash.stat_err_cnt = atomic64_read(&istat->err_cnt); - - return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash); -} - -int crypto_init_shash_ops_async(struct crypto_tfm *tfm); -struct crypto_ahash *crypto_clone_shash_ops_async(struct crypto_ahash *nhash, - struct crypto_ahash *hash); +extern const struct crypto_type crypto_shash_type; int hash_prepare_alg(struct hash_alg_common *alg); diff --git a/crypto/hash_info.c b/crypto/hash_info.c deleted file mode 100644 index a49ff96bde77..000000000000 --- a/crypto/hash_info.c +++ /dev/null @@ -1,57 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Hash Info: Hash algorithms information - * - * Copyright (c) 2013 Dmitry Kasatkin <d.kasatkin@samsung.com> - */ - -#include <linux/export.h> -#include <crypto/hash_info.h> - -const char *const hash_algo_name[HASH_ALGO__LAST] = { - [HASH_ALGO_MD4] = "md4", - [HASH_ALGO_MD5] = "md5", - [HASH_ALGO_SHA1] = "sha1", - [HASH_ALGO_RIPE_MD_160] = "rmd160", - [HASH_ALGO_SHA256] = "sha256", - [HASH_ALGO_SHA384] = "sha384", - [HASH_ALGO_SHA512] = "sha512", - [HASH_ALGO_SHA224] = "sha224", - [HASH_ALGO_RIPE_MD_128] = "rmd128", - [HASH_ALGO_RIPE_MD_256] = "rmd256", - [HASH_ALGO_RIPE_MD_320] = "rmd320", - [HASH_ALGO_WP_256] = "wp256", - [HASH_ALGO_WP_384] = "wp384", - [HASH_ALGO_WP_512] = "wp512", - [HASH_ALGO_TGR_128] = "tgr128", - [HASH_ALGO_TGR_160] = "tgr160", - [HASH_ALGO_TGR_192] = "tgr192", - [HASH_ALGO_SM3_256] = "sm3", - [HASH_ALGO_STREEBOG_256] = "streebog256", - [HASH_ALGO_STREEBOG_512] = "streebog512", -}; -EXPORT_SYMBOL_GPL(hash_algo_name); - -const int hash_digest_size[HASH_ALGO__LAST] = { - [HASH_ALGO_MD4] = MD5_DIGEST_SIZE, - [HASH_ALGO_MD5] = MD5_DIGEST_SIZE, - [HASH_ALGO_SHA1] = SHA1_DIGEST_SIZE, - [HASH_ALGO_RIPE_MD_160] = RMD160_DIGEST_SIZE, - [HASH_ALGO_SHA256] = SHA256_DIGEST_SIZE, - [HASH_ALGO_SHA384] = SHA384_DIGEST_SIZE, - [HASH_ALGO_SHA512] = SHA512_DIGEST_SIZE, - [HASH_ALGO_SHA224] = SHA224_DIGEST_SIZE, - [HASH_ALGO_RIPE_MD_128] = RMD128_DIGEST_SIZE, - [HASH_ALGO_RIPE_MD_256] = RMD256_DIGEST_SIZE, - [HASH_ALGO_RIPE_MD_320] = RMD320_DIGEST_SIZE, - [HASH_ALGO_WP_256] = WP256_DIGEST_SIZE, - [HASH_ALGO_WP_384] = WP384_DIGEST_SIZE, - [HASH_ALGO_WP_512] = WP512_DIGEST_SIZE, - [HASH_ALGO_TGR_128] = TGR128_DIGEST_SIZE, - [HASH_ALGO_TGR_160] = TGR160_DIGEST_SIZE, - [HASH_ALGO_TGR_192] = TGR192_DIGEST_SIZE, - [HASH_ALGO_SM3_256] = SM3256_DIGEST_SIZE, - [HASH_ALGO_STREEBOG_256] = STREEBOG256_DIGEST_SIZE, - [HASH_ALGO_STREEBOG_512] = STREEBOG512_DIGEST_SIZE, -}; -EXPORT_SYMBOL_GPL(hash_digest_size); diff --git a/crypto/hctr2.c b/crypto/hctr2.c index 6f4c1884d0e9..f4cd6c29b4d3 100644 --- a/crypto/hctr2.c +++ b/crypto/hctr2.c @@ -17,7 +17,6 @@ */ #include <crypto/internal/cipher.h> -#include <crypto/internal/hash.h> #include <crypto/internal/skcipher.h> #include <crypto/polyval.h> #include <crypto/scatterwalk.h> @@ -37,23 +36,14 @@ struct hctr2_instance_ctx { struct crypto_cipher_spawn blockcipher_spawn; struct crypto_skcipher_spawn xctr_spawn; - struct crypto_shash_spawn polyval_spawn; }; struct hctr2_tfm_ctx { struct crypto_cipher *blockcipher; struct crypto_skcipher *xctr; - struct crypto_shash *polyval; + struct polyval_key poly_key; + struct polyval_elem hashed_tweaklens[2]; u8 L[BLOCKCIPHER_BLOCK_SIZE]; - int hashed_tweak_offset; - /* - * This struct is allocated with extra space for two exported hash - * states. Since the hash state size is not known at compile-time, we - * can't add these to the struct directly. - * - * hashed_tweaklen_divisible; - * hashed_tweaklen_remainder; - */ }; struct hctr2_request_ctx { @@ -63,39 +53,17 @@ struct hctr2_request_ctx { struct scatterlist *bulk_part_src; struct scatterlist sg_src[2]; struct scatterlist sg_dst[2]; + struct polyval_elem hashed_tweak; /* - * Sub-request sizes are unknown at compile-time, so they need to go - * after the members with known sizes. + * skcipher sub-request size is unknown at compile-time, so it needs to + * go after the members with known sizes. */ union { - struct shash_desc hash_desc; + struct polyval_ctx poly_ctx; struct skcipher_request xctr_req; } u; - /* - * This struct is allocated with extra space for one exported hash - * state. Since the hash state size is not known at compile-time, we - * can't add it to the struct directly. - * - * hashed_tweak; - */ }; -static inline u8 *hctr2_hashed_tweaklen(const struct hctr2_tfm_ctx *tctx, - bool has_remainder) -{ - u8 *p = (u8 *)tctx + sizeof(*tctx); - - if (has_remainder) /* For messages not a multiple of block length */ - p += crypto_shash_statesize(tctx->polyval); - return p; -} - -static inline u8 *hctr2_hashed_tweak(const struct hctr2_tfm_ctx *tctx, - struct hctr2_request_ctx *rctx) -{ - return (u8 *)rctx + tctx->hashed_tweak_offset; -} - /* * The input data for each HCTR2 hash step begins with a 16-byte block that * contains the tweak length and a flag that indicates whether the input is evenly @@ -106,24 +74,23 @@ static inline u8 *hctr2_hashed_tweak(const struct hctr2_tfm_ctx *tctx, * * These precomputed hashes are stored in hctr2_tfm_ctx. */ -static int hctr2_hash_tweaklen(struct hctr2_tfm_ctx *tctx, bool has_remainder) +static void hctr2_hash_tweaklens(struct hctr2_tfm_ctx *tctx) { - SHASH_DESC_ON_STACK(shash, tfm->polyval); - __le64 tweak_length_block[2]; - int err; - - shash->tfm = tctx->polyval; - memset(tweak_length_block, 0, sizeof(tweak_length_block)); - - tweak_length_block[0] = cpu_to_le64(TWEAK_SIZE * 8 * 2 + 2 + has_remainder); - err = crypto_shash_init(shash); - if (err) - return err; - err = crypto_shash_update(shash, (u8 *)tweak_length_block, - POLYVAL_BLOCK_SIZE); - if (err) - return err; - return crypto_shash_export(shash, hctr2_hashed_tweaklen(tctx, has_remainder)); + struct polyval_ctx ctx; + + for (int has_remainder = 0; has_remainder < 2; has_remainder++) { + const __le64 tweak_length_block[2] = { + cpu_to_le64(TWEAK_SIZE * 8 * 2 + 2 + has_remainder), + }; + + polyval_init(&ctx, &tctx->poly_key); + polyval_update(&ctx, (const u8 *)&tweak_length_block, + sizeof(tweak_length_block)); + static_assert(sizeof(tweak_length_block) == POLYVAL_BLOCK_SIZE); + polyval_export_blkaligned( + &ctx, &tctx->hashed_tweaklens[has_remainder]); + } + memzero_explicit(&ctx, sizeof(ctx)); } static int hctr2_setkey(struct crypto_skcipher *tfm, const u8 *key, @@ -156,51 +123,42 @@ static int hctr2_setkey(struct crypto_skcipher *tfm, const u8 *key, tctx->L[0] = 0x01; crypto_cipher_encrypt_one(tctx->blockcipher, tctx->L, tctx->L); - crypto_shash_clear_flags(tctx->polyval, CRYPTO_TFM_REQ_MASK); - crypto_shash_set_flags(tctx->polyval, crypto_skcipher_get_flags(tfm) & - CRYPTO_TFM_REQ_MASK); - err = crypto_shash_setkey(tctx->polyval, hbar, BLOCKCIPHER_BLOCK_SIZE); - if (err) - return err; + static_assert(sizeof(hbar) == POLYVAL_BLOCK_SIZE); + polyval_preparekey(&tctx->poly_key, hbar); memzero_explicit(hbar, sizeof(hbar)); - return hctr2_hash_tweaklen(tctx, true) ?: hctr2_hash_tweaklen(tctx, false); + hctr2_hash_tweaklens(tctx); + return 0; } -static int hctr2_hash_tweak(struct skcipher_request *req) +static void hctr2_hash_tweak(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); const struct hctr2_tfm_ctx *tctx = crypto_skcipher_ctx(tfm); struct hctr2_request_ctx *rctx = skcipher_request_ctx(req); - struct shash_desc *hash_desc = &rctx->u.hash_desc; - int err; + struct polyval_ctx *poly_ctx = &rctx->u.poly_ctx; bool has_remainder = req->cryptlen % POLYVAL_BLOCK_SIZE; - hash_desc->tfm = tctx->polyval; - err = crypto_shash_import(hash_desc, hctr2_hashed_tweaklen(tctx, has_remainder)); - if (err) - return err; - err = crypto_shash_update(hash_desc, req->iv, TWEAK_SIZE); - if (err) - return err; + polyval_import_blkaligned(poly_ctx, &tctx->poly_key, + &tctx->hashed_tweaklens[has_remainder]); + polyval_update(poly_ctx, req->iv, TWEAK_SIZE); // Store the hashed tweak, since we need it when computing both // H(T || N) and H(T || V). - return crypto_shash_export(hash_desc, hctr2_hashed_tweak(tctx, rctx)); + static_assert(TWEAK_SIZE % POLYVAL_BLOCK_SIZE == 0); + polyval_export_blkaligned(poly_ctx, &rctx->hashed_tweak); } -static int hctr2_hash_message(struct skcipher_request *req, - struct scatterlist *sgl, - u8 digest[POLYVAL_DIGEST_SIZE]) +static void hctr2_hash_message(struct skcipher_request *req, + struct scatterlist *sgl, + u8 digest[POLYVAL_DIGEST_SIZE]) { - static const u8 padding[BLOCKCIPHER_BLOCK_SIZE] = { 0x1 }; + static const u8 padding = 0x1; struct hctr2_request_ctx *rctx = skcipher_request_ctx(req); - struct shash_desc *hash_desc = &rctx->u.hash_desc; + struct polyval_ctx *poly_ctx = &rctx->u.poly_ctx; const unsigned int bulk_len = req->cryptlen - BLOCKCIPHER_BLOCK_SIZE; struct sg_mapping_iter miter; - unsigned int remainder = bulk_len % BLOCKCIPHER_BLOCK_SIZE; int i; - int err = 0; int n = 0; sg_miter_start(&miter, sgl, sg_nents(sgl), @@ -208,22 +166,13 @@ static int hctr2_hash_message(struct skcipher_request *req, for (i = 0; i < bulk_len; i += n) { sg_miter_next(&miter); n = min_t(unsigned int, miter.length, bulk_len - i); - err = crypto_shash_update(hash_desc, miter.addr, n); - if (err) - break; + polyval_update(poly_ctx, miter.addr, n); } sg_miter_stop(&miter); - if (err) - return err; - - if (remainder) { - err = crypto_shash_update(hash_desc, padding, - BLOCKCIPHER_BLOCK_SIZE - remainder); - if (err) - return err; - } - return crypto_shash_final(hash_desc, digest); + if (req->cryptlen % BLOCKCIPHER_BLOCK_SIZE) + polyval_update(poly_ctx, &padding, 1); + polyval_final(poly_ctx, digest); } static int hctr2_finish(struct skcipher_request *req) @@ -231,19 +180,14 @@ static int hctr2_finish(struct skcipher_request *req) struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); const struct hctr2_tfm_ctx *tctx = crypto_skcipher_ctx(tfm); struct hctr2_request_ctx *rctx = skcipher_request_ctx(req); + struct polyval_ctx *poly_ctx = &rctx->u.poly_ctx; u8 digest[POLYVAL_DIGEST_SIZE]; - struct shash_desc *hash_desc = &rctx->u.hash_desc; - int err; // U = UU ^ H(T || V) // or M = MM ^ H(T || N) - hash_desc->tfm = tctx->polyval; - err = crypto_shash_import(hash_desc, hctr2_hashed_tweak(tctx, rctx)); - if (err) - return err; - err = hctr2_hash_message(req, rctx->bulk_part_dst, digest); - if (err) - return err; + polyval_import_blkaligned(poly_ctx, &tctx->poly_key, + &rctx->hashed_tweak); + hctr2_hash_message(req, rctx->bulk_part_dst, digest); crypto_xor(rctx->first_block, digest, BLOCKCIPHER_BLOCK_SIZE); // Copy U (or M) into dst scatterlist @@ -269,7 +213,6 @@ static int hctr2_crypt(struct skcipher_request *req, bool enc) struct hctr2_request_ctx *rctx = skcipher_request_ctx(req); u8 digest[POLYVAL_DIGEST_SIZE]; int bulk_len = req->cryptlen - BLOCKCIPHER_BLOCK_SIZE; - int err; // Requests must be at least one block if (req->cryptlen < BLOCKCIPHER_BLOCK_SIZE) @@ -287,12 +230,8 @@ static int hctr2_crypt(struct skcipher_request *req, bool enc) // MM = M ^ H(T || N) // or UU = U ^ H(T || V) - err = hctr2_hash_tweak(req); - if (err) - return err; - err = hctr2_hash_message(req, rctx->bulk_part_src, digest); - if (err) - return err; + hctr2_hash_tweak(req); + hctr2_hash_message(req, rctx->bulk_part_src, digest); crypto_xor(digest, rctx->first_block, BLOCKCIPHER_BLOCK_SIZE); // UU = E(MM) @@ -338,8 +277,6 @@ static int hctr2_init_tfm(struct crypto_skcipher *tfm) struct hctr2_tfm_ctx *tctx = crypto_skcipher_ctx(tfm); struct crypto_skcipher *xctr; struct crypto_cipher *blockcipher; - struct crypto_shash *polyval; - unsigned int subreq_size; int err; xctr = crypto_spawn_skcipher(&ictx->xctr_spawn); @@ -352,31 +289,17 @@ static int hctr2_init_tfm(struct crypto_skcipher *tfm) goto err_free_xctr; } - polyval = crypto_spawn_shash(&ictx->polyval_spawn); - if (IS_ERR(polyval)) { - err = PTR_ERR(polyval); - goto err_free_blockcipher; - } - tctx->xctr = xctr; tctx->blockcipher = blockcipher; - tctx->polyval = polyval; BUILD_BUG_ON(offsetofend(struct hctr2_request_ctx, u) != sizeof(struct hctr2_request_ctx)); - subreq_size = max(sizeof_field(struct hctr2_request_ctx, u.hash_desc) + - crypto_shash_descsize(polyval), - sizeof_field(struct hctr2_request_ctx, u.xctr_req) + - crypto_skcipher_reqsize(xctr)); - - tctx->hashed_tweak_offset = offsetof(struct hctr2_request_ctx, u) + - subreq_size; - crypto_skcipher_set_reqsize(tfm, tctx->hashed_tweak_offset + - crypto_shash_statesize(polyval)); + crypto_skcipher_set_reqsize( + tfm, max(sizeof(struct hctr2_request_ctx), + offsetofend(struct hctr2_request_ctx, u.xctr_req) + + crypto_skcipher_reqsize(xctr))); return 0; -err_free_blockcipher: - crypto_free_cipher(blockcipher); err_free_xctr: crypto_free_skcipher(xctr); return err; @@ -388,7 +311,6 @@ static void hctr2_exit_tfm(struct crypto_skcipher *tfm) crypto_free_cipher(tctx->blockcipher); crypto_free_skcipher(tctx->xctr); - crypto_free_shash(tctx->polyval); } static void hctr2_free_instance(struct skcipher_instance *inst) @@ -397,21 +319,17 @@ static void hctr2_free_instance(struct skcipher_instance *inst) crypto_drop_cipher(&ictx->blockcipher_spawn); crypto_drop_skcipher(&ictx->xctr_spawn); - crypto_drop_shash(&ictx->polyval_spawn); kfree(inst); } -static int hctr2_create_common(struct crypto_template *tmpl, - struct rtattr **tb, - const char *xctr_name, - const char *polyval_name) +static int hctr2_create_common(struct crypto_template *tmpl, struct rtattr **tb, + const char *xctr_name) { + struct skcipher_alg_common *xctr_alg; u32 mask; struct skcipher_instance *inst; struct hctr2_instance_ctx *ictx; - struct skcipher_alg *xctr_alg; struct crypto_alg *blockcipher_alg; - struct shash_alg *polyval_alg; char blockcipher_name[CRYPTO_MAX_ALG_NAME]; int len; int err; @@ -431,7 +349,7 @@ static int hctr2_create_common(struct crypto_template *tmpl, xctr_name, 0, mask); if (err) goto err_free_inst; - xctr_alg = crypto_spawn_skcipher_alg(&ictx->xctr_spawn); + xctr_alg = crypto_spawn_skcipher_alg_common(&ictx->xctr_spawn); err = -EINVAL; if (strncmp(xctr_alg->base.cra_name, "xctr(", 5)) @@ -457,19 +375,6 @@ static int hctr2_create_common(struct crypto_template *tmpl, if (blockcipher_alg->cra_blocksize != BLOCKCIPHER_BLOCK_SIZE) goto err_free_inst; - /* Polyval ε-∆U hash function */ - err = crypto_grab_shash(&ictx->polyval_spawn, - skcipher_crypto_instance(inst), - polyval_name, 0, mask); - if (err) - goto err_free_inst; - polyval_alg = crypto_spawn_shash_alg(&ictx->polyval_spawn); - - /* Ensure Polyval is being used */ - err = -EINVAL; - if (strcmp(polyval_alg->base.cra_name, "polyval") != 0) - goto err_free_inst; - /* Instance fields */ err = -ENAMETOOLONG; @@ -477,31 +382,24 @@ static int hctr2_create_common(struct crypto_template *tmpl, blockcipher_alg->cra_name) >= CRYPTO_MAX_ALG_NAME) goto err_free_inst; if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME, - "hctr2_base(%s,%s)", - xctr_alg->base.cra_driver_name, - polyval_alg->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) + "hctr2_base(%s,polyval-lib)", + xctr_alg->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) goto err_free_inst; inst->alg.base.cra_blocksize = BLOCKCIPHER_BLOCK_SIZE; - inst->alg.base.cra_ctxsize = sizeof(struct hctr2_tfm_ctx) + - polyval_alg->statesize * 2; - inst->alg.base.cra_alignmask = xctr_alg->base.cra_alignmask | - polyval_alg->base.cra_alignmask; - /* - * The hash function is called twice, so it is weighted higher than the - * xctr and blockcipher. - */ + inst->alg.base.cra_ctxsize = sizeof(struct hctr2_tfm_ctx); + inst->alg.base.cra_alignmask = xctr_alg->base.cra_alignmask; inst->alg.base.cra_priority = (2 * xctr_alg->base.cra_priority + - 4 * polyval_alg->base.cra_priority + - blockcipher_alg->cra_priority) / 7; + blockcipher_alg->cra_priority) / + 3; inst->alg.setkey = hctr2_setkey; inst->alg.encrypt = hctr2_encrypt; inst->alg.decrypt = hctr2_decrypt; inst->alg.init = hctr2_init_tfm; inst->alg.exit = hctr2_exit_tfm; - inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(xctr_alg); - inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(xctr_alg); + inst->alg.min_keysize = xctr_alg->min_keysize; + inst->alg.max_keysize = xctr_alg->max_keysize; inst->alg.ivsize = TWEAK_SIZE; inst->free = hctr2_free_instance; @@ -526,8 +424,11 @@ static int hctr2_create_base(struct crypto_template *tmpl, struct rtattr **tb) polyval_name = crypto_attr_alg_name(tb[2]); if (IS_ERR(polyval_name)) return PTR_ERR(polyval_name); + if (strcmp(polyval_name, "polyval") != 0 && + strcmp(polyval_name, "polyval-lib") != 0) + return -ENOENT; - return hctr2_create_common(tmpl, tb, xctr_name, polyval_name); + return hctr2_create_common(tmpl, tb, xctr_name); } static int hctr2_create(struct crypto_template *tmpl, struct rtattr **tb) @@ -543,7 +444,7 @@ static int hctr2_create(struct crypto_template *tmpl, struct rtattr **tb) blockcipher_name) >= CRYPTO_MAX_ALG_NAME) return -ENAMETOOLONG; - return hctr2_create_common(tmpl, tb, xctr_name, "polyval"); + return hctr2_create_common(tmpl, tb, xctr_name); } static struct crypto_template hctr2_tmpls[] = { @@ -571,10 +472,10 @@ static void __exit hctr2_module_exit(void) ARRAY_SIZE(hctr2_tmpls)); } -subsys_initcall(hctr2_module_init); +module_init(hctr2_module_init); module_exit(hctr2_module_exit); MODULE_DESCRIPTION("HCTR2 length-preserving encryption mode"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS_CRYPTO("hctr2"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/hkdf.c b/crypto/hkdf.c new file mode 100644 index 000000000000..82d1b32ca6ce --- /dev/null +++ b/crypto/hkdf.c @@ -0,0 +1,573 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Implementation of HKDF ("HMAC-based Extract-and-Expand Key Derivation + * Function"), aka RFC 5869. See also the original paper (Krawczyk 2010): + * "Cryptographic Extraction and Key Derivation: The HKDF Scheme". + * + * Copyright 2019 Google LLC + */ + +#include <crypto/internal/hash.h> +#include <crypto/sha2.h> +#include <crypto/hkdf.h> +#include <linux/module.h> + +/* + * HKDF consists of two steps: + * + * 1. HKDF-Extract: extract a pseudorandom key from the input keying material + * and optional salt. + * 2. HKDF-Expand: expand the pseudorandom key into output keying material of + * any length, parameterized by an application-specific info string. + * + */ + +/** + * hkdf_extract - HKDF-Extract (RFC 5869 section 2.2) + * @hmac_tfm: an HMAC transform using the hash function desired for HKDF. The + * caller is responsible for setting the @prk afterwards. + * @ikm: input keying material + * @ikmlen: length of @ikm + * @salt: input salt value + * @saltlen: length of @salt + * @prk: resulting pseudorandom key + * + * Extracts a pseudorandom key @prk from the input keying material + * @ikm with length @ikmlen and salt @salt with length @saltlen. + * The length of @prk is given by the digest size of @hmac_tfm. + * For an 'unsalted' version of HKDF-Extract @salt must be set + * to all zeroes and @saltlen must be set to the length of @prk. + * + * Returns 0 on success with the pseudorandom key stored in @prk, + * or a negative errno value otherwise. + */ +int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, + unsigned int ikmlen, const u8 *salt, unsigned int saltlen, + u8 *prk) +{ + int err; + + err = crypto_shash_setkey(hmac_tfm, salt, saltlen); + if (!err) + err = crypto_shash_tfm_digest(hmac_tfm, ikm, ikmlen, prk); + + return err; +} +EXPORT_SYMBOL_GPL(hkdf_extract); + +/** + * hkdf_expand - HKDF-Expand (RFC 5869 section 2.3) + * @hmac_tfm: hash context keyed with pseudorandom key + * @info: application-specific information + * @infolen: length of @info + * @okm: output keying material + * @okmlen: length of @okm + * + * This expands the pseudorandom key, which was already keyed into @hmac_tfm, + * into @okmlen bytes of output keying material parameterized by the + * application-specific @info of length @infolen bytes. + * This is thread-safe and may be called by multiple threads in parallel. + * + * Returns 0 on success with output keying material stored in @okm, + * or a negative errno value otherwise. + */ +int hkdf_expand(struct crypto_shash *hmac_tfm, + const u8 *info, unsigned int infolen, + u8 *okm, unsigned int okmlen) +{ + SHASH_DESC_ON_STACK(desc, hmac_tfm); + unsigned int i, hashlen = crypto_shash_digestsize(hmac_tfm); + int err; + const u8 *prev = NULL; + u8 counter = 1; + u8 tmp[HASH_MAX_DIGESTSIZE] = {}; + + if (WARN_ON(okmlen > 255 * hashlen)) + return -EINVAL; + + desc->tfm = hmac_tfm; + + for (i = 0; i < okmlen; i += hashlen) { + err = crypto_shash_init(desc); + if (err) + goto out; + + if (prev) { + err = crypto_shash_update(desc, prev, hashlen); + if (err) + goto out; + } + + if (infolen) { + err = crypto_shash_update(desc, info, infolen); + if (err) + goto out; + } + + BUILD_BUG_ON(sizeof(counter) != 1); + if (okmlen - i < hashlen) { + err = crypto_shash_finup(desc, &counter, 1, tmp); + if (err) + goto out; + memcpy(&okm[i], tmp, okmlen - i); + memzero_explicit(tmp, sizeof(tmp)); + } else { + err = crypto_shash_finup(desc, &counter, 1, &okm[i]); + if (err) + goto out; + } + counter++; + prev = &okm[i]; + } + err = 0; +out: + if (unlikely(err)) + memzero_explicit(okm, okmlen); /* so caller doesn't need to */ + shash_desc_zero(desc); + memzero_explicit(tmp, HASH_MAX_DIGESTSIZE); + return err; +} +EXPORT_SYMBOL_GPL(hkdf_expand); + +struct hkdf_testvec { + const char *test; + const u8 *ikm; + const u8 *salt; + const u8 *info; + const u8 *prk; + const u8 *okm; + u16 ikm_size; + u16 salt_size; + u16 info_size; + u16 prk_size; + u16 okm_size; +}; + +/* + * HKDF test vectors from RFC5869 + * + * Additional HKDF test vectors from + * https://github.com/brycx/Test-Vector-Generation/blob/master/HKDF/hkdf-hmac-sha2-test-vectors.md + */ +static const struct hkdf_testvec hkdf_sha256_tv[] = { + { + .test = "basic hdkf test", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b" + "\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 22, + .salt = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c", + .salt_size = 13, + .info = "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9", + .info_size = 10, + .prk = "\x07\x77\x09\x36\x2c\x2e\x32\xdf\x0d\xdc\x3f\x0d\xc4\x7b\xba\x63" + "\x90\xb6\xc7\x3b\xb5\x0f\x9c\x31\x22\xec\x84\x4a\xd7\xc2\xb3\xe5", + .prk_size = 32, + .okm = "\x3c\xb2\x5f\x25\xfa\xac\xd5\x7a\x90\x43\x4f\x64\xd0\x36\x2f\x2a" + "\x2d\x2d\x0a\x90\xcf\x1a\x5a\x4c\x5d\xb0\x2d\x56\xec\xc4\xc5\xbf" + "\x34\x00\x72\x08\xd5\xb8\x87\x18\x58\x65", + .okm_size = 42, + }, { + .test = "hkdf test with long input", + .ikm = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" + "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" + "\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f" + "\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f" + "\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f", + .ikm_size = 80, + .salt = "\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f" + "\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f" + "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" + "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" + "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf", + .salt_size = 80, + .info = "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" + "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" + "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" + "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" + "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff", + .info_size = 80, + .prk = "\x06\xa6\xb8\x8c\x58\x53\x36\x1a\x06\x10\x4c\x9c\xeb\x35\xb4\x5c" + "\xef\x76\x00\x14\x90\x46\x71\x01\x4a\x19\x3f\x40\xc1\x5f\xc2\x44", + .prk_size = 32, + .okm = "\xb1\x1e\x39\x8d\xc8\x03\x27\xa1\xc8\xe7\xf7\x8c\x59\x6a\x49\x34" + "\x4f\x01\x2e\xda\x2d\x4e\xfa\xd8\xa0\x50\xcc\x4c\x19\xaf\xa9\x7c" + "\x59\x04\x5a\x99\xca\xc7\x82\x72\x71\xcb\x41\xc6\x5e\x59\x0e\x09" + "\xda\x32\x75\x60\x0c\x2f\x09\xb8\x36\x77\x93\xa9\xac\xa3\xdb\x71" + "\xcc\x30\xc5\x81\x79\xec\x3e\x87\xc1\x4c\x01\xd5\xc1\xf3\x43\x4f" + "\x1d\x87", + .okm_size = 82, + }, { + .test = "hkdf test with zero salt and info", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b" + "\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 22, + .salt = NULL, + .salt_size = 0, + .info = NULL, + .info_size = 0, + .prk = "\x19\xef\x24\xa3\x2c\x71\x7b\x16\x7f\x33\xa9\x1d\x6f\x64\x8b\xdf" + "\x96\x59\x67\x76\xaf\xdb\x63\x77\xac\x43\x4c\x1c\x29\x3c\xcb\x04", + .prk_size = 32, + .okm = "\x8d\xa4\xe7\x75\xa5\x63\xc1\x8f\x71\x5f\x80\x2a\x06\x3c\x5a\x31" + "\xb8\xa1\x1f\x5c\x5e\xe1\x87\x9e\xc3\x45\x4e\x5f\x3c\x73\x8d\x2d" + "\x9d\x20\x13\x95\xfa\xa4\xb6\x1a\x96\xc8", + .okm_size = 42, + }, { + .test = "hkdf test with short input", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 11, + .salt = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c", + .salt_size = 13, + .info = "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9", + .info_size = 10, + .prk = "\x82\x65\xf6\x9d\x7f\xf7\xe5\x01\x37\x93\x01\x5c\xa0\xef\x92\x0c" + "\xb1\x68\x21\x99\xc8\xbc\x3a\x00\xda\x0c\xab\x47\xb7\xb0\x0f\xdf", + .prk_size = 32, + .okm = "\x58\xdc\xe1\x0d\x58\x01\xcd\xfd\xa8\x31\x72\x6b\xfe\xbc\xb7\x43" + "\xd1\x4a\x7e\xe8\x3a\xa0\x57\xa9\x3d\x59\xb0\xa1\x31\x7f\xf0\x9d" + "\x10\x5c\xce\xcf\x53\x56\x92\xb1\x4d\xd5", + .okm_size = 42, + }, { + .test = "unsalted hkdf test with zero info", + .ikm = "\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c" + "\x0c\x0c\x0c\x0c\x0c\x0c", + .ikm_size = 22, + .salt = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", + .salt_size = 32, + .info = NULL, + .info_size = 0, + .prk = "\xaa\x84\x1e\x1f\x35\x74\xf3\x2d\x13\xfb\xa8\x00\x5f\xcd\x9b\x8d" + "\x77\x67\x82\xa5\xdf\xa1\x92\x38\x92\xfd\x8b\x63\x5d\x3a\x89\xdf", + .prk_size = 32, + .okm = "\x59\x68\x99\x17\x9a\xb1\xbc\x00\xa7\xc0\x37\x86\xff\x43\xee\x53" + "\x50\x04\xbe\x2b\xb9\xbe\x68\xbc\x14\x06\x63\x6f\x54\xbd\x33\x8a" + "\x66\xa2\x37\xba\x2a\xcb\xce\xe3\xc9\xa7", + .okm_size = 42, + } +}; + +static const struct hkdf_testvec hkdf_sha384_tv[] = { + { + .test = "basic hkdf test", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b" + "\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 22, + .salt = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c", + .salt_size = 13, + .info = "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9", + .info_size = 10, + .prk = "\x70\x4b\x39\x99\x07\x79\xce\x1d\xc5\x48\x05\x2c\x7d\xc3\x9f\x30" + "\x35\x70\xdd\x13\xfb\x39\xf7\xac\xc5\x64\x68\x0b\xef\x80\xe8\xde" + "\xc7\x0e\xe9\xa7\xe1\xf3\xe2\x93\xef\x68\xec\xeb\x07\x2a\x5a\xde", + .prk_size = 48, + .okm = "\x9b\x50\x97\xa8\x60\x38\xb8\x05\x30\x90\x76\xa4\x4b\x3a\x9f\x38" + "\x06\x3e\x25\xb5\x16\xdc\xbf\x36\x9f\x39\x4c\xfa\xb4\x36\x85\xf7" + "\x48\xb6\x45\x77\x63\xe4\xf0\x20\x4f\xc5", + .okm_size = 42, + }, { + .test = "hkdf test with long input", + .ikm = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" + "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" + "\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f" + "\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f" + "\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f", + .ikm_size = 80, + .salt = "\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f" + "\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f" + "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" + "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" + "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf", + .salt_size = 80, + .info = "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" + "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" + "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" + "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" + "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff", + .info_size = 80, + .prk = "\xb3\x19\xf6\x83\x1d\xff\x93\x14\xef\xb6\x43\xba\xa2\x92\x63\xb3" + "\x0e\x4a\x8d\x77\x9f\xe3\x1e\x9c\x90\x1e\xfd\x7d\xe7\x37\xc8\x5b" + "\x62\xe6\x76\xd4\xdc\x87\xb0\x89\x5c\x6a\x7d\xc9\x7b\x52\xce\xbb", + .prk_size = 48, + .okm = "\x48\x4c\xa0\x52\xb8\xcc\x72\x4f\xd1\xc4\xec\x64\xd5\x7b\x4e\x81" + "\x8c\x7e\x25\xa8\xe0\xf4\x56\x9e\xd7\x2a\x6a\x05\xfe\x06\x49\xee" + "\xbf\x69\xf8\xd5\xc8\x32\x85\x6b\xf4\xe4\xfb\xc1\x79\x67\xd5\x49" + "\x75\x32\x4a\x94\x98\x7f\x7f\x41\x83\x58\x17\xd8\x99\x4f\xdb\xd6" + "\xf4\xc0\x9c\x55\x00\xdc\xa2\x4a\x56\x22\x2f\xea\x53\xd8\x96\x7a" + "\x8b\x2e", + .okm_size = 82, + }, { + .test = "hkdf test with zero salt and info", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b" + "\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 22, + .salt = NULL, + .salt_size = 0, + .info = NULL, + .info_size = 0, + .prk = "\x10\xe4\x0c\xf0\x72\xa4\xc5\x62\x6e\x43\xdd\x22\xc1\xcf\x72\x7d" + "\x4b\xb1\x40\x97\x5c\x9a\xd0\xcb\xc8\xe4\x5b\x40\x06\x8f\x8f\x0b" + "\xa5\x7c\xdb\x59\x8a\xf9\xdf\xa6\x96\x3a\x96\x89\x9a\xf0\x47\xe5", + .prk_size = 48, + .okm = "\xc8\xc9\x6e\x71\x0f\x89\xb0\xd7\x99\x0b\xca\x68\xbc\xde\xc8\xcf" + "\x85\x40\x62\xe5\x4c\x73\xa7\xab\xc7\x43\xfa\xde\x9b\x24\x2d\xaa" + "\xcc\x1c\xea\x56\x70\x41\x5b\x52\x84\x9c", + .okm_size = 42, + }, { + .test = "hkdf test with short input", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 11, + .salt = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c", + .salt_size = 13, + .info = "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9", + .info_size = 10, + .prk = "\x6d\x31\x69\x98\x28\x79\x80\x88\xb3\x59\xda\xd5\x0b\x8f\x01\xb0" + "\x15\xf1\x7a\xa3\xbd\x4e\x27\xa6\xe9\xf8\x73\xb7\x15\x85\xca\x6a" + "\x00\xd1\xf0\x82\x12\x8a\xdb\x3c\xf0\x53\x0b\x57\xc0\xf9\xac\x72", + .prk_size = 48, + .okm = "\xfb\x7e\x67\x43\xeb\x42\xcd\xe9\x6f\x1b\x70\x77\x89\x52\xab\x75" + "\x48\xca\xfe\x53\x24\x9f\x7f\xfe\x14\x97\xa1\x63\x5b\x20\x1f\xf1" + "\x85\xb9\x3e\x95\x19\x92\xd8\x58\xf1\x1a", + .okm_size = 42, + }, { + .test = "unsalted hkdf test with zero info", + .ikm = "\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c" + "\x0c\x0c\x0c\x0c\x0c\x0c", + .ikm_size = 22, + .salt = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", + .salt_size = 48, + .info = NULL, + .info_size = 0, + .prk = "\x9d\x2d\xa5\x06\x6f\x05\xd1\x6c\x59\xfe\xdf\x6c\x5f\x32\xc7\x5e" + "\xda\x9a\x47\xa7\x9c\x93\x6a\xa4\x4c\xb7\x63\xa8\xe2\x2f\xfb\xfc" + "\xd8\xfe\x55\x43\x58\x53\x47\x21\x90\x39\xd1\x68\x28\x36\x33\xf5", + .prk_size = 48, + .okm = "\x6a\xd7\xc7\x26\xc8\x40\x09\x54\x6a\x76\xe0\x54\x5d\xf2\x66\x78" + "\x7e\x2b\x2c\xd6\xca\x43\x73\xa1\xf3\x14\x50\xa7\xbd\xf9\x48\x2b" + "\xfa\xb8\x11\xf5\x54\x20\x0e\xad\x8f\x53", + .okm_size = 42, + } +}; + +static const struct hkdf_testvec hkdf_sha512_tv[] = { + { + .test = "basic hkdf test", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b" + "\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 22, + .salt = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c", + .salt_size = 13, + .info = "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9", + .info_size = 10, + .prk = "\x66\x57\x99\x82\x37\x37\xde\xd0\x4a\x88\xe4\x7e\x54\xa5\x89\x0b" + "\xb2\xc3\xd2\x47\xc7\xa4\x25\x4a\x8e\x61\x35\x07\x23\x59\x0a\x26" + "\xc3\x62\x38\x12\x7d\x86\x61\xb8\x8c\xf8\x0e\xf8\x02\xd5\x7e\x2f" + "\x7c\xeb\xcf\x1e\x00\xe0\x83\x84\x8b\xe1\x99\x29\xc6\x1b\x42\x37", + .prk_size = 64, + .okm = "\x83\x23\x90\x08\x6c\xda\x71\xfb\x47\x62\x5b\xb5\xce\xb1\x68\xe4" + "\xc8\xe2\x6a\x1a\x16\xed\x34\xd9\xfc\x7f\xe9\x2c\x14\x81\x57\x93" + "\x38\xda\x36\x2c\xb8\xd9\xf9\x25\xd7\xcb", + .okm_size = 42, + }, { + .test = "hkdf test with long input", + .ikm = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" + "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" + "\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f" + "\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f" + "\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f", + .ikm_size = 80, + .salt = "\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f" + "\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f" + "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" + "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" + "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf", + .salt_size = 80, + .info = "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" + "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" + "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" + "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" + "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff", + .info_size = 80, + .prk = "\x35\x67\x25\x42\x90\x7d\x4e\x14\x2c\x00\xe8\x44\x99\xe7\x4e\x1d" + "\xe0\x8b\xe8\x65\x35\xf9\x24\xe0\x22\x80\x4a\xd7\x75\xdd\xe2\x7e" + "\xc8\x6c\xd1\xe5\xb7\xd1\x78\xc7\x44\x89\xbd\xbe\xb3\x07\x12\xbe" + "\xb8\x2d\x4f\x97\x41\x6c\x5a\x94\xea\x81\xeb\xdf\x3e\x62\x9e\x4a", + .prk_size = 64, + .okm = "\xce\x6c\x97\x19\x28\x05\xb3\x46\xe6\x16\x1e\x82\x1e\xd1\x65\x67" + "\x3b\x84\xf4\x00\xa2\xb5\x14\xb2\xfe\x23\xd8\x4c\xd1\x89\xdd\xf1" + "\xb6\x95\xb4\x8c\xbd\x1c\x83\x88\x44\x11\x37\xb3\xce\x28\xf1\x6a" + "\xa6\x4b\xa3\x3b\xa4\x66\xb2\x4d\xf6\xcf\xcb\x02\x1e\xcf\xf2\x35" + "\xf6\xa2\x05\x6c\xe3\xaf\x1d\xe4\x4d\x57\x20\x97\xa8\x50\x5d\x9e" + "\x7a\x93", + .okm_size = 82, + }, { + .test = "hkdf test with zero salt and info", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b" + "\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 22, + .salt = NULL, + .salt_size = 0, + .info = NULL, + .info_size = 0, + .prk = "\xfd\x20\x0c\x49\x87\xac\x49\x13\x13\xbd\x4a\x2a\x13\x28\x71\x21" + "\x24\x72\x39\xe1\x1c\x9e\xf8\x28\x02\x04\x4b\x66\xef\x35\x7e\x5b" + "\x19\x44\x98\xd0\x68\x26\x11\x38\x23\x48\x57\x2a\x7b\x16\x11\xde" + "\x54\x76\x40\x94\x28\x63\x20\x57\x8a\x86\x3f\x36\x56\x2b\x0d\xf6", + .prk_size = 64, + .okm = "\xf5\xfa\x02\xb1\x82\x98\xa7\x2a\x8c\x23\x89\x8a\x87\x03\x47\x2c" + "\x6e\xb1\x79\xdc\x20\x4c\x03\x42\x5c\x97\x0e\x3b\x16\x4b\xf9\x0f" + "\xff\x22\xd0\x48\x36\xd0\xe2\x34\x3b\xac", + .okm_size = 42, + }, { + .test = "hkdf test with short input", + .ikm = "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b", + .ikm_size = 11, + .salt = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c", + .salt_size = 13, + .info = "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9", + .info_size = 10, + .prk = "\x67\x40\x9c\x9c\xac\x28\xb5\x2e\xe9\xfa\xd9\x1c\x2f\xda\x99\x9f" + "\x7c\xa2\x2e\x34\x34\xf0\xae\x77\x28\x63\x83\x65\x68\xad\x6a\x7f" + "\x10\xcf\x11\x3b\xfd\xdd\x56\x01\x29\xa5\x94\xa8\xf5\x23\x85\xc2" + "\xd6\x61\xd7\x85\xd2\x9c\xe9\x3a\x11\x40\x0c\x92\x06\x83\x18\x1d", + .prk_size = 64, + .okm = "\x74\x13\xe8\x99\x7e\x02\x06\x10\xfb\xf6\x82\x3f\x2c\xe1\x4b\xff" + "\x01\x87\x5d\xb1\xca\x55\xf6\x8c\xfc\xf3\x95\x4d\xc8\xaf\xf5\x35" + "\x59\xbd\x5e\x30\x28\xb0\x80\xf7\xc0\x68", + .okm_size = 42, + }, { + .test = "unsalted hkdf test with zero info", + .ikm = "\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c\x0c" + "\x0c\x0c\x0c\x0c\x0c\x0c", + .ikm_size = 22, + .salt = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", + .salt_size = 64, + .info = NULL, + .info_size = 0, + .prk = "\x53\x46\xb3\x76\xbf\x3a\xa9\xf8\x4f\x8f\x6e\xd5\xb1\xc4\xf4\x89" + "\x17\x2e\x24\x4d\xac\x30\x3d\x12\xf6\x8e\xcc\x76\x6e\xa6\x00\xaa" + "\x88\x49\x5e\x7f\xb6\x05\x80\x31\x22\xfa\x13\x69\x24\xa8\x40\xb1" + "\xf0\x71\x9d\x2d\x5f\x68\xe2\x9b\x24\x22\x99\xd7\x58\xed\x68\x0c", + .prk_size = 64, + .okm = "\x14\x07\xd4\x60\x13\xd9\x8b\xc6\xde\xce\xfc\xfe\xe5\x5f\x0f\x90" + "\xb0\xc7\xf6\x3d\x68\xeb\x1a\x80\xea\xf0\x7e\x95\x3c\xfc\x0a\x3a" + "\x52\x40\xa1\x55\xd6\xe4\xda\xa9\x65\xbb", + .okm_size = 42, + } +}; + +static int hkdf_test(const char *shash, const struct hkdf_testvec *tv) +{ struct crypto_shash *tfm = NULL; + u8 *prk = NULL, *okm = NULL; + unsigned int prk_size; + const char *driver; + int err; + + tfm = crypto_alloc_shash(shash, 0, 0); + if (IS_ERR(tfm)) { + pr_err("%s(%s): failed to allocate transform: %ld\n", + tv->test, shash, PTR_ERR(tfm)); + return PTR_ERR(tfm); + } + driver = crypto_shash_driver_name(tfm); + + prk_size = crypto_shash_digestsize(tfm); + prk = kzalloc(prk_size, GFP_KERNEL); + if (!prk) { + err = -ENOMEM; + goto out_free; + } + + if (tv->prk_size != prk_size) { + pr_err("%s(%s): prk size mismatch (vec %u, digest %u\n", + tv->test, driver, tv->prk_size, prk_size); + err = -EINVAL; + goto out_free; + } + + err = hkdf_extract(tfm, tv->ikm, tv->ikm_size, + tv->salt, tv->salt_size, prk); + if (err) { + pr_err("%s(%s): hkdf_extract failed with %d\n", + tv->test, driver, err); + goto out_free; + } + + if (memcmp(prk, tv->prk, tv->prk_size)) { + pr_err("%s(%s): hkdf_extract prk mismatch\n", + tv->test, driver); + print_hex_dump(KERN_ERR, "prk: ", DUMP_PREFIX_NONE, + 16, 1, prk, tv->prk_size, false); + err = -EINVAL; + goto out_free; + } + + okm = kzalloc(tv->okm_size, GFP_KERNEL); + if (!okm) { + err = -ENOMEM; + goto out_free; + } + + err = crypto_shash_setkey(tfm, tv->prk, tv->prk_size); + if (err) { + pr_err("%s(%s): failed to set prk, error %d\n", + tv->test, driver, err); + goto out_free; + } + + err = hkdf_expand(tfm, tv->info, tv->info_size, + okm, tv->okm_size); + if (err) { + pr_err("%s(%s): hkdf_expand() failed with %d\n", + tv->test, driver, err); + } else if (memcmp(okm, tv->okm, tv->okm_size)) { + pr_err("%s(%s): hkdf_expand() okm mismatch\n", + tv->test, driver); + print_hex_dump(KERN_ERR, "okm: ", DUMP_PREFIX_NONE, + 16, 1, okm, tv->okm_size, false); + err = -EINVAL; + } +out_free: + kfree(okm); + kfree(prk); + crypto_free_shash(tfm); + return err; +} + +static int __init crypto_hkdf_module_init(void) +{ + int ret = 0, i; + + if (!IS_ENABLED(CONFIG_CRYPTO_SELFTESTS)) + return 0; + + for (i = 0; i < ARRAY_SIZE(hkdf_sha256_tv); i++) { + ret = hkdf_test("hmac(sha256)", &hkdf_sha256_tv[i]); + if (ret) + return ret; + } + for (i = 0; i < ARRAY_SIZE(hkdf_sha384_tv); i++) { + ret = hkdf_test("hmac(sha384)", &hkdf_sha384_tv[i]); + if (ret) + return ret; + } + for (i = 0; i < ARRAY_SIZE(hkdf_sha512_tv); i++) { + ret = hkdf_test("hmac(sha512)", &hkdf_sha512_tv[i]); + if (ret) + return ret; + } + return 0; +} + +static void __exit crypto_hkdf_module_exit(void) {} + +late_initcall(crypto_hkdf_module_init); +module_exit(crypto_hkdf_module_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("HMAC-based Key Derivation Function (HKDF)"); diff --git a/crypto/hmac.c b/crypto/hmac.c index 09a7872b4060..148af460ae97 100644 --- a/crypto/hmac.c +++ b/crypto/hmac.c @@ -13,30 +13,24 @@ #include <crypto/hmac.h> #include <crypto/internal/hash.h> -#include <crypto/scatterwalk.h> #include <linux/err.h> #include <linux/fips.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/scatterlist.h> +#include <linux/slab.h> #include <linux/string.h> struct hmac_ctx { struct crypto_shash *hash; + /* Contains 'u8 ipad[statesize];', then 'u8 opad[statesize];' */ + u8 pads[]; }; -static inline void *align_ptr(void *p, unsigned int align) -{ - return (void *)ALIGN((unsigned long)p, align); -} - -static inline struct hmac_ctx *hmac_ctx(struct crypto_shash *tfm) -{ - return align_ptr(crypto_shash_ctx_aligned(tfm) + - crypto_shash_statesize(tfm) * 2, - crypto_tfm_ctx_alignment()); -} +struct ahash_hmac_ctx { + struct crypto_ahash *hash; + /* Contains 'u8 ipad[statesize];', then 'u8 opad[statesize];' */ + u8 pads[]; +}; static int hmac_setkey(struct crypto_shash *parent, const u8 *inkey, unsigned int keylen) @@ -44,13 +38,12 @@ static int hmac_setkey(struct crypto_shash *parent, int bs = crypto_shash_blocksize(parent); int ds = crypto_shash_digestsize(parent); int ss = crypto_shash_statesize(parent); - char *ipad = crypto_shash_ctx_aligned(parent); - char *opad = ipad + ss; - struct hmac_ctx *ctx = align_ptr(opad + ss, - crypto_tfm_ctx_alignment()); - struct crypto_shash *hash = ctx->hash; + struct hmac_ctx *tctx = crypto_shash_ctx(parent); + struct crypto_shash *hash = tctx->hash; + u8 *ipad = &tctx->pads[0]; + u8 *opad = &tctx->pads[ss]; SHASH_DESC_ON_STACK(shash, hash); - unsigned int i; + int err, i; if (fips_enabled && (keylen < 112 / 8)) return -EINVAL; @@ -76,12 +69,14 @@ static int hmac_setkey(struct crypto_shash *parent, opad[i] ^= HMAC_OPAD_VALUE; } - return crypto_shash_init(shash) ?: - crypto_shash_update(shash, ipad, bs) ?: - crypto_shash_export(shash, ipad) ?: - crypto_shash_init(shash) ?: - crypto_shash_update(shash, opad, bs) ?: - crypto_shash_export(shash, opad); + err = crypto_shash_init(shash) ?: + crypto_shash_update(shash, ipad, bs) ?: + crypto_shash_export(shash, ipad) ?: + crypto_shash_init(shash) ?: + crypto_shash_update(shash, opad, bs) ?: + crypto_shash_export(shash, opad); + shash_desc_zero(shash); + return err; } static int hmac_export(struct shash_desc *pdesc, void *out) @@ -94,37 +89,42 @@ static int hmac_export(struct shash_desc *pdesc, void *out) static int hmac_import(struct shash_desc *pdesc, const void *in) { struct shash_desc *desc = shash_desc_ctx(pdesc); - struct hmac_ctx *ctx = hmac_ctx(pdesc->tfm); + const struct hmac_ctx *tctx = crypto_shash_ctx(pdesc->tfm); - desc->tfm = ctx->hash; + desc->tfm = tctx->hash; return crypto_shash_import(desc, in); } -static int hmac_init(struct shash_desc *pdesc) +static int hmac_export_core(struct shash_desc *pdesc, void *out) { - return hmac_import(pdesc, crypto_shash_ctx_aligned(pdesc->tfm)); + struct shash_desc *desc = shash_desc_ctx(pdesc); + + return crypto_shash_export_core(desc, out); } -static int hmac_update(struct shash_desc *pdesc, - const u8 *data, unsigned int nbytes) +static int hmac_import_core(struct shash_desc *pdesc, const void *in) { + const struct hmac_ctx *tctx = crypto_shash_ctx(pdesc->tfm); struct shash_desc *desc = shash_desc_ctx(pdesc); - return crypto_shash_update(desc, data, nbytes); + desc->tfm = tctx->hash; + return crypto_shash_import_core(desc, in); } -static int hmac_final(struct shash_desc *pdesc, u8 *out) +static int hmac_init(struct shash_desc *pdesc) +{ + const struct hmac_ctx *tctx = crypto_shash_ctx(pdesc->tfm); + + return hmac_import(pdesc, &tctx->pads[0]); +} + +static int hmac_update(struct shash_desc *pdesc, + const u8 *data, unsigned int nbytes) { - struct crypto_shash *parent = pdesc->tfm; - int ds = crypto_shash_digestsize(parent); - int ss = crypto_shash_statesize(parent); - char *opad = crypto_shash_ctx_aligned(parent) + ss; struct shash_desc *desc = shash_desc_ctx(pdesc); - return crypto_shash_final(desc, out) ?: - crypto_shash_import(desc, opad) ?: - crypto_shash_finup(desc, out, ds, out); + return crypto_shash_update(desc, data, nbytes); } static int hmac_finup(struct shash_desc *pdesc, const u8 *data, @@ -134,7 +134,8 @@ static int hmac_finup(struct shash_desc *pdesc, const u8 *data, struct crypto_shash *parent = pdesc->tfm; int ds = crypto_shash_digestsize(parent); int ss = crypto_shash_statesize(parent); - char *opad = crypto_shash_ctx_aligned(parent) + ss; + const struct hmac_ctx *tctx = crypto_shash_ctx(parent); + const u8 *opad = &tctx->pads[ss]; struct shash_desc *desc = shash_desc_ctx(pdesc); return crypto_shash_finup(desc, data, nbytes, out) ?: @@ -147,23 +148,20 @@ static int hmac_init_tfm(struct crypto_shash *parent) struct crypto_shash *hash; struct shash_instance *inst = shash_alg_instance(parent); struct crypto_shash_spawn *spawn = shash_instance_ctx(inst); - struct hmac_ctx *ctx = hmac_ctx(parent); + struct hmac_ctx *tctx = crypto_shash_ctx(parent); hash = crypto_spawn_shash(spawn); if (IS_ERR(hash)) return PTR_ERR(hash); - parent->descsize = sizeof(struct shash_desc) + - crypto_shash_descsize(hash); - - ctx->hash = hash; + tctx->hash = hash; return 0; } static int hmac_clone_tfm(struct crypto_shash *dst, struct crypto_shash *src) { - struct hmac_ctx *sctx = hmac_ctx(src); - struct hmac_ctx *dctx = hmac_ctx(dst); + struct hmac_ctx *sctx = crypto_shash_ctx(src); + struct hmac_ctx *dctx = crypto_shash_ctx(dst); struct crypto_shash *hash; hash = crypto_clone_shash(sctx->hash); @@ -176,30 +174,28 @@ static int hmac_clone_tfm(struct crypto_shash *dst, struct crypto_shash *src) static void hmac_exit_tfm(struct crypto_shash *parent) { - struct hmac_ctx *ctx = hmac_ctx(parent); - crypto_free_shash(ctx->hash); + struct hmac_ctx *tctx = crypto_shash_ctx(parent); + + crypto_free_shash(tctx->hash); } -static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb) +static int __hmac_create_shash(struct crypto_template *tmpl, + struct rtattr **tb, u32 mask) { struct shash_instance *inst; struct crypto_shash_spawn *spawn; struct crypto_alg *alg; struct shash_alg *salg; - u32 mask; int err; int ds; int ss; - err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH, &mask); - if (err) - return err; - inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); if (!inst) return -ENOMEM; spawn = shash_instance_ctx(inst); + mask |= CRYPTO_AHASH_ALG_NO_EXPORT_CORE; err = crypto_grab_shash(spawn, shash_crypto_instance(inst), crypto_attr_alg_name(tb[1]), 0, mask); if (err) @@ -218,27 +214,25 @@ static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb) ss < alg->cra_blocksize) goto err_free_inst; - err = crypto_inst_setname(shash_crypto_instance(inst), tmpl->name, alg); + err = crypto_inst_setname(shash_crypto_instance(inst), "hmac", + "hmac-shash", alg); if (err) goto err_free_inst; inst->alg.base.cra_priority = alg->cra_priority; inst->alg.base.cra_blocksize = alg->cra_blocksize; - inst->alg.base.cra_alignmask = alg->cra_alignmask; + inst->alg.base.cra_ctxsize = sizeof(struct hmac_ctx) + (ss * 2); - ss = ALIGN(ss, alg->cra_alignmask + 1); inst->alg.digestsize = ds; inst->alg.statesize = ss; - - inst->alg.base.cra_ctxsize = sizeof(struct hmac_ctx) + - ALIGN(ss * 2, crypto_tfm_ctx_alignment()); - + inst->alg.descsize = sizeof(struct shash_desc) + salg->descsize; inst->alg.init = hmac_init; inst->alg.update = hmac_update; - inst->alg.final = hmac_final; inst->alg.finup = hmac_finup; inst->alg.export = hmac_export; inst->alg.import = hmac_import; + inst->alg.export_core = hmac_export_core; + inst->alg.import_core = hmac_import_core; inst->alg.setkey = hmac_setkey; inst->alg.init_tfm = hmac_init_tfm; inst->alg.clone_tfm = hmac_clone_tfm; @@ -254,23 +248,332 @@ err_free_inst: return err; } -static struct crypto_template hmac_tmpl = { - .name = "hmac", - .create = hmac_create, - .module = THIS_MODULE, +static int hmac_setkey_ahash(struct crypto_ahash *parent, + const u8 *inkey, unsigned int keylen) +{ + struct ahash_hmac_ctx *tctx = crypto_ahash_ctx(parent); + struct crypto_ahash *fb = crypto_ahash_fb(tctx->hash); + int ds = crypto_ahash_digestsize(parent); + int bs = crypto_ahash_blocksize(parent); + int ss = crypto_ahash_statesize(parent); + HASH_REQUEST_ON_STACK(req, fb); + u8 *opad = &tctx->pads[ss]; + u8 *ipad = &tctx->pads[0]; + int err, i; + + if (fips_enabled && (keylen < 112 / 8)) + return -EINVAL; + + ahash_request_set_callback(req, 0, NULL, NULL); + + if (keylen > bs) { + ahash_request_set_virt(req, inkey, ipad, keylen); + err = crypto_ahash_digest(req); + if (err) + goto out_zero_req; + + keylen = ds; + } else + memcpy(ipad, inkey, keylen); + + memset(ipad + keylen, 0, bs - keylen); + memcpy(opad, ipad, bs); + + for (i = 0; i < bs; i++) { + ipad[i] ^= HMAC_IPAD_VALUE; + opad[i] ^= HMAC_OPAD_VALUE; + } + + ahash_request_set_virt(req, ipad, NULL, bs); + err = crypto_ahash_init(req) ?: + crypto_ahash_update(req) ?: + crypto_ahash_export(req, ipad); + + ahash_request_set_virt(req, opad, NULL, bs); + err = err ?: + crypto_ahash_init(req) ?: + crypto_ahash_update(req) ?: + crypto_ahash_export(req, opad); + +out_zero_req: + HASH_REQUEST_ZERO(req); + return err; +} + +static int hmac_export_ahash(struct ahash_request *preq, void *out) +{ + return crypto_ahash_export(ahash_request_ctx(preq), out); +} + +static int hmac_import_ahash(struct ahash_request *preq, const void *in) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(preq); + struct ahash_hmac_ctx *tctx = crypto_ahash_ctx(tfm); + struct ahash_request *req = ahash_request_ctx(preq); + + ahash_request_set_tfm(req, tctx->hash); + return crypto_ahash_import(req, in); +} + +static int hmac_export_core_ahash(struct ahash_request *preq, void *out) +{ + return crypto_ahash_export_core(ahash_request_ctx(preq), out); +} + +static int hmac_import_core_ahash(struct ahash_request *preq, const void *in) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(preq); + struct ahash_hmac_ctx *tctx = crypto_ahash_ctx(tfm); + struct ahash_request *req = ahash_request_ctx(preq); + + ahash_request_set_tfm(req, tctx->hash); + return crypto_ahash_import_core(req, in); +} + +static int hmac_init_ahash(struct ahash_request *preq) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(preq); + struct ahash_hmac_ctx *tctx = crypto_ahash_ctx(tfm); + + return hmac_import_ahash(preq, &tctx->pads[0]); +} + +static int hmac_update_ahash(struct ahash_request *preq) +{ + struct ahash_request *req = ahash_request_ctx(preq); + + ahash_request_set_callback(req, ahash_request_flags(preq), + preq->base.complete, preq->base.data); + if (ahash_request_isvirt(preq)) + ahash_request_set_virt(req, preq->svirt, NULL, preq->nbytes); + else + ahash_request_set_crypt(req, preq->src, NULL, preq->nbytes); + return crypto_ahash_update(req); +} + +static int hmac_finup_finish(struct ahash_request *preq, unsigned int mask) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(preq); + struct ahash_request *req = ahash_request_ctx(preq); + struct ahash_hmac_ctx *tctx = crypto_ahash_ctx(tfm); + int ds = crypto_ahash_digestsize(tfm); + int ss = crypto_ahash_statesize(tfm); + const u8 *opad = &tctx->pads[ss]; + + ahash_request_set_callback(req, ahash_request_flags(preq) & ~mask, + preq->base.complete, preq->base.data); + ahash_request_set_virt(req, preq->result, preq->result, ds); + return crypto_ahash_import(req, opad) ?: + crypto_ahash_finup(req); + +} + +static void hmac_finup_done(void *data, int err) +{ + struct ahash_request *preq = data; + + if (err) + goto out; + + err = hmac_finup_finish(preq, CRYPTO_TFM_REQ_MAY_SLEEP); + if (err == -EINPROGRESS || err == -EBUSY) + return; + +out: + ahash_request_complete(preq, err); +} + +static int hmac_finup_ahash(struct ahash_request *preq) +{ + struct ahash_request *req = ahash_request_ctx(preq); + + ahash_request_set_callback(req, ahash_request_flags(preq), + hmac_finup_done, preq); + if (ahash_request_isvirt(preq)) + ahash_request_set_virt(req, preq->svirt, preq->result, + preq->nbytes); + else + ahash_request_set_crypt(req, preq->src, preq->result, + preq->nbytes); + return crypto_ahash_finup(req) ?: + hmac_finup_finish(preq, 0); +} + +static int hmac_digest_ahash(struct ahash_request *preq) +{ + return hmac_init_ahash(preq) ?: + hmac_finup_ahash(preq); +} + +static int hmac_init_ahash_tfm(struct crypto_ahash *parent) +{ + struct ahash_instance *inst = ahash_alg_instance(parent); + struct ahash_hmac_ctx *tctx = crypto_ahash_ctx(parent); + struct crypto_ahash *hash; + + hash = crypto_spawn_ahash(ahash_instance_ctx(inst)); + if (IS_ERR(hash)) + return PTR_ERR(hash); + + if (crypto_ahash_reqsize(parent) < sizeof(struct ahash_request) + + crypto_ahash_reqsize(hash)) + return -EINVAL; + + tctx->hash = hash; + return 0; +} + +static int hmac_clone_ahash_tfm(struct crypto_ahash *dst, + struct crypto_ahash *src) +{ + struct ahash_hmac_ctx *sctx = crypto_ahash_ctx(src); + struct ahash_hmac_ctx *dctx = crypto_ahash_ctx(dst); + struct crypto_ahash *hash; + + hash = crypto_clone_ahash(sctx->hash); + if (IS_ERR(hash)) + return PTR_ERR(hash); + + dctx->hash = hash; + return 0; +} + +static void hmac_exit_ahash_tfm(struct crypto_ahash *parent) +{ + struct ahash_hmac_ctx *tctx = crypto_ahash_ctx(parent); + + crypto_free_ahash(tctx->hash); +} + +static int hmac_create_ahash(struct crypto_template *tmpl, struct rtattr **tb, + u32 mask) +{ + struct crypto_ahash_spawn *spawn; + struct ahash_instance *inst; + struct crypto_alg *alg; + struct hash_alg_common *halg; + int ds, ss, err; + + inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); + if (!inst) + return -ENOMEM; + spawn = ahash_instance_ctx(inst); + + mask |= CRYPTO_AHASH_ALG_NO_EXPORT_CORE; + err = crypto_grab_ahash(spawn, ahash_crypto_instance(inst), + crypto_attr_alg_name(tb[1]), 0, mask); + if (err) + goto err_free_inst; + halg = crypto_spawn_ahash_alg(spawn); + alg = &halg->base; + + /* The underlying hash algorithm must not require a key */ + err = -EINVAL; + if (crypto_hash_alg_needs_key(halg)) + goto err_free_inst; + + ds = halg->digestsize; + ss = halg->statesize; + if (ds > alg->cra_blocksize || ss < alg->cra_blocksize) + goto err_free_inst; + + err = crypto_inst_setname(ahash_crypto_instance(inst), tmpl->name, alg); + if (err) + goto err_free_inst; + + inst->alg.halg.base.cra_flags = alg->cra_flags & + CRYPTO_ALG_INHERITED_FLAGS; + inst->alg.halg.base.cra_flags |= CRYPTO_ALG_REQ_VIRT; + inst->alg.halg.base.cra_priority = alg->cra_priority + 100; + inst->alg.halg.base.cra_blocksize = alg->cra_blocksize; + inst->alg.halg.base.cra_ctxsize = sizeof(struct ahash_hmac_ctx) + + (ss * 2); + inst->alg.halg.base.cra_reqsize = sizeof(struct ahash_request) + + alg->cra_reqsize; + + inst->alg.halg.digestsize = ds; + inst->alg.halg.statesize = ss; + inst->alg.init = hmac_init_ahash; + inst->alg.update = hmac_update_ahash; + inst->alg.finup = hmac_finup_ahash; + inst->alg.digest = hmac_digest_ahash; + inst->alg.export = hmac_export_ahash; + inst->alg.import = hmac_import_ahash; + inst->alg.export_core = hmac_export_core_ahash; + inst->alg.import_core = hmac_import_core_ahash; + inst->alg.setkey = hmac_setkey_ahash; + inst->alg.init_tfm = hmac_init_ahash_tfm; + inst->alg.clone_tfm = hmac_clone_ahash_tfm; + inst->alg.exit_tfm = hmac_exit_ahash_tfm; + + inst->free = ahash_free_singlespawn_instance; + + err = ahash_register_instance(tmpl, inst); + if (err) { +err_free_inst: + ahash_free_singlespawn_instance(inst); + } + return err; +} + +static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb) +{ + struct crypto_attr_type *algt; + u32 mask; + + algt = crypto_get_attr_type(tb); + if (IS_ERR(algt)) + return PTR_ERR(algt); + + mask = crypto_algt_inherited_mask(algt); + + if (!((algt->type ^ CRYPTO_ALG_TYPE_AHASH) & + algt->mask & CRYPTO_ALG_TYPE_MASK)) + return hmac_create_ahash(tmpl, tb, mask); + + if ((algt->type ^ CRYPTO_ALG_TYPE_SHASH) & + algt->mask & CRYPTO_ALG_TYPE_MASK) + return -EINVAL; + + return __hmac_create_shash(tmpl, tb, mask); +} + +static int hmac_create_shash(struct crypto_template *tmpl, struct rtattr **tb) +{ + u32 mask; + int err; + + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH, &mask); + if (err) + return err == -EINVAL ? -ENOENT : err; + + return __hmac_create_shash(tmpl, tb, mask); +} + +static struct crypto_template hmac_tmpls[] = { + { + .name = "hmac", + .create = hmac_create, + .module = THIS_MODULE, + }, + { + .name = "hmac-shash", + .create = hmac_create_shash, + .module = THIS_MODULE, + }, }; static int __init hmac_module_init(void) { - return crypto_register_template(&hmac_tmpl); + return crypto_register_templates(hmac_tmpls, ARRAY_SIZE(hmac_tmpls)); } static void __exit hmac_module_exit(void) { - crypto_unregister_template(&hmac_tmpl); + crypto_unregister_templates(hmac_tmpls, ARRAY_SIZE(hmac_tmpls)); } -subsys_initcall(hmac_module_init); +module_init(hmac_module_init); module_exit(hmac_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/internal.h b/crypto/internal.h index 8dd746b1130b..b9afd68767c1 100644 --- a/crypto/internal.h +++ b/crypto/internal.h @@ -18,6 +18,7 @@ #include <linux/numa.h> #include <linux/refcount.h> #include <linux/rwsem.h> +#include <linux/scatterlist.h> #include <linux/sched.h> #include <linux/types.h> @@ -32,6 +33,22 @@ struct crypto_larval { bool test_started; }; +struct crypto_type { + unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask); + unsigned int (*extsize)(struct crypto_alg *alg); + int (*init_tfm)(struct crypto_tfm *tfm); + void (*show)(struct seq_file *m, struct crypto_alg *alg); + int (*report)(struct sk_buff *skb, struct crypto_alg *alg); + void (*free)(struct crypto_instance *inst); + void (*destroy)(struct crypto_alg *alg); + + unsigned int type; + unsigned int maskclear; + unsigned int maskset; + unsigned int tfmsize; + unsigned int algsize; +}; + enum { CRYPTOA_UNSPEC, CRYPTOA_ALG, @@ -50,7 +67,7 @@ extern struct blocking_notifier_head crypto_chain; int alg_test(const char *driver, const char *alg, u32 type, u32 mask); -#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS +#if !IS_BUILTIN(CONFIG_CRYPTO_ALGAPI) || !IS_ENABLED(CONFIG_CRYPTO_SELFTESTS) static inline bool crypto_boot_test_finished(void) { return true; @@ -68,7 +85,9 @@ static inline void set_crypto_boot_test_finished(void) { static_branch_enable(&__crypto_boot_test_finished); } -#endif /* !CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */ +#endif /* !IS_BUILTIN(CONFIG_CRYPTO_ALGAPI) || + * !IS_ENABLED(CONFIG_CRYPTO_SELFTESTS) + */ #ifdef CONFIG_PROC_FS void __init crypto_init_proc(void); @@ -94,14 +113,15 @@ struct crypto_alg *crypto_mod_get(struct crypto_alg *alg); struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask); struct crypto_larval *crypto_larval_alloc(const char *name, u32 type, u32 mask); -void crypto_larval_kill(struct crypto_alg *alg); -void crypto_wait_for_test(struct crypto_larval *larval); +void crypto_schedule_test(struct crypto_larval *larval); void crypto_alg_tested(const char *name, int err); void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list, struct crypto_alg *nalg); void crypto_remove_final(struct list_head *list); void crypto_shoot_alg(struct crypto_alg *alg); +struct crypto_tfm *__crypto_alloc_tfmgfp(struct crypto_alg *alg, u32 type, + u32 mask, gfp_t gfp); struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type, u32 mask); void *crypto_create_tfm_node(struct crypto_alg *alg, @@ -142,10 +162,12 @@ static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg) return alg; } +void crypto_destroy_alg(struct crypto_alg *alg); + static inline void crypto_alg_put(struct crypto_alg *alg) { - if (refcount_dec_and_test(&alg->cra_refcnt) && alg->cra_destroy) - alg->cra_destroy(alg); + if (refcount_dec_and_test(&alg->cra_refcnt)) + crypto_destroy_alg(alg); } static inline int crypto_tmpl_get(struct crypto_template *tmpl) diff --git a/crypto/jitterentropy-kcapi.c b/crypto/jitterentropy-kcapi.c index b9edfaa51b27..7c880cf34c52 100644 --- a/crypto/jitterentropy-kcapi.c +++ b/crypto/jitterentropy-kcapi.c @@ -2,7 +2,7 @@ * Non-physical true random number generator based on timing jitter -- * Linux Kernel Crypto API specific code * - * Copyright Stephan Mueller <smueller@chronox.de>, 2015 + * Copyright Stephan Mueller <smueller@chronox.de>, 2015 - 2023 * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -37,6 +37,8 @@ * DAMAGE. */ +#include <crypto/hash.h> +#include <crypto/sha3.h> #include <linux/fips.h> #include <linux/kernel.h> #include <linux/module.h> @@ -46,10 +48,22 @@ #include "jitterentropy.h" +#define JENT_CONDITIONING_HASH "sha3-256" + /*************************************************************************** * Helper function ***************************************************************************/ +void *jent_kvzalloc(unsigned int len) +{ + return kvzalloc(len, GFP_KERNEL); +} + +void jent_kvzfree(void *ptr, unsigned int len) +{ + kvfree_sensitive(ptr, len); +} + void *jent_zalloc(unsigned int len) { return kzalloc(len, GFP_KERNEL); @@ -60,11 +74,6 @@ void jent_zfree(void *ptr) kfree_sensitive(ptr); } -void jent_memcpy(void *dest, const void *src, unsigned int n) -{ - memcpy(dest, src, n); -} - /* * Obtain a high-resolution time stamp value. The time stamp is used to measure * the execution time of a given code path and its variations. Hence, the time @@ -89,6 +98,94 @@ void jent_get_nstime(__u64 *out) tmp = ktime_get_ns(); *out = tmp; + jent_raw_hires_entropy_store(tmp); +} + +int jent_hash_time(void *hash_state, __u64 time, u8 *addtl, + unsigned int addtl_len, __u64 hash_loop_cnt, + unsigned int stuck) +{ + struct shash_desc *hash_state_desc = (struct shash_desc *)hash_state; + SHASH_DESC_ON_STACK(desc, hash_state_desc->tfm); + u8 intermediary[SHA3_256_DIGEST_SIZE]; + __u64 j = 0; + int ret; + + desc->tfm = hash_state_desc->tfm; + + if (sizeof(intermediary) != crypto_shash_digestsize(desc->tfm)) { + pr_warn_ratelimited("Unexpected digest size\n"); + return -EINVAL; + } + kmsan_unpoison_memory(intermediary, sizeof(intermediary)); + + /* + * This loop fills a buffer which is injected into the entropy pool. + * The main reason for this loop is to execute something over which we + * can perform a timing measurement. The injection of the resulting + * data into the pool is performed to ensure the result is used and + * the compiler cannot optimize the loop away in case the result is not + * used at all. Yet that data is considered "additional information" + * considering the terminology from SP800-90A without any entropy. + * + * Note, it does not matter which or how much data you inject, we are + * interested in one Keccack1600 compression operation performed with + * the crypto_shash_final. + */ + for (j = 0; j < hash_loop_cnt; j++) { + ret = crypto_shash_init(desc) ?: + crypto_shash_update(desc, intermediary, + sizeof(intermediary)) ?: + crypto_shash_finup(desc, addtl, addtl_len, intermediary); + if (ret) + goto err; + } + + /* + * Inject the data from the previous loop into the pool. This data is + * not considered to contain any entropy, but it stirs the pool a bit. + */ + ret = crypto_shash_update(hash_state_desc, intermediary, sizeof(intermediary)); + if (ret) + goto err; + + /* + * Insert the time stamp into the hash context representing the pool. + * + * If the time stamp is stuck, do not finally insert the value into the + * entropy pool. Although this operation should not do any harm even + * when the time stamp has no entropy, SP800-90B requires that any + * conditioning operation to have an identical amount of input data + * according to section 3.1.5. + */ + if (stuck) { + time = 0; + } + + ret = crypto_shash_update(hash_state_desc, (u8 *)&time, sizeof(__u64)); + +err: + shash_desc_zero(desc); + memzero_explicit(intermediary, sizeof(intermediary)); + + return ret; +} + +int jent_read_random_block(void *hash_state, char *dst, unsigned int dst_len) +{ + struct shash_desc *hash_state_desc = (struct shash_desc *)hash_state; + u8 jent_block[SHA3_256_DIGEST_SIZE]; + /* Obtain data from entropy pool and re-initialize it */ + int ret = crypto_shash_final(hash_state_desc, jent_block) ?: + crypto_shash_init(hash_state_desc) ?: + crypto_shash_update(hash_state_desc, jent_block, + sizeof(jent_block)); + + if (!ret && dst_len) + memcpy(dst, jent_block, dst_len); + + memzero_explicit(jent_block, sizeof(jent_block)); + return ret; } /*************************************************************************** @@ -98,32 +195,76 @@ void jent_get_nstime(__u64 *out) struct jitterentropy { spinlock_t jent_lock; struct rand_data *entropy_collector; + struct crypto_shash *tfm; + struct shash_desc *sdesc; }; -static int jent_kcapi_init(struct crypto_tfm *tfm) +static void jent_kcapi_cleanup(struct crypto_tfm *tfm) { struct jitterentropy *rng = crypto_tfm_ctx(tfm); - int ret = 0; - rng->entropy_collector = jent_entropy_collector_alloc(1, 0); - if (!rng->entropy_collector) - ret = -ENOMEM; + spin_lock(&rng->jent_lock); - spin_lock_init(&rng->jent_lock); - return ret; -} + if (rng->sdesc) { + shash_desc_zero(rng->sdesc); + kfree(rng->sdesc); + } + rng->sdesc = NULL; -static void jent_kcapi_cleanup(struct crypto_tfm *tfm) -{ - struct jitterentropy *rng = crypto_tfm_ctx(tfm); + if (rng->tfm) + crypto_free_shash(rng->tfm); + rng->tfm = NULL; - spin_lock(&rng->jent_lock); if (rng->entropy_collector) jent_entropy_collector_free(rng->entropy_collector); rng->entropy_collector = NULL; spin_unlock(&rng->jent_lock); } +static int jent_kcapi_init(struct crypto_tfm *tfm) +{ + struct jitterentropy *rng = crypto_tfm_ctx(tfm); + struct crypto_shash *hash; + struct shash_desc *sdesc; + int size, ret = 0; + + spin_lock_init(&rng->jent_lock); + + /* Use SHA3-256 as conditioner */ + hash = crypto_alloc_shash(JENT_CONDITIONING_HASH, 0, 0); + if (IS_ERR(hash)) { + pr_err("Cannot allocate conditioning digest\n"); + return PTR_ERR(hash); + } + rng->tfm = hash; + + size = sizeof(struct shash_desc) + crypto_shash_descsize(hash); + sdesc = kmalloc(size, GFP_KERNEL); + if (!sdesc) { + ret = -ENOMEM; + goto err; + } + + sdesc->tfm = hash; + crypto_shash_init(sdesc); + rng->sdesc = sdesc; + + rng->entropy_collector = + jent_entropy_collector_alloc(CONFIG_CRYPTO_JITTERENTROPY_OSR, 0, + sdesc); + if (!rng->entropy_collector) { + ret = -ENOMEM; + goto err; + } + + spin_lock_init(&rng->jent_lock); + return 0; + +err: + jent_kcapi_cleanup(tfm); + return ret; +} + static int jent_kcapi_random(struct crypto_rng *tfm, const u8 *src, unsigned int slen, u8 *rdata, unsigned int dlen) @@ -180,20 +321,34 @@ static struct rng_alg jent_alg = { .cra_module = THIS_MODULE, .cra_init = jent_kcapi_init, .cra_exit = jent_kcapi_cleanup, - } }; static int __init jent_mod_init(void) { + SHASH_DESC_ON_STACK(desc, tfm); + struct crypto_shash *tfm; int ret = 0; - ret = jent_entropy_init(); + jent_testing_init(); + + tfm = crypto_alloc_shash(JENT_CONDITIONING_HASH, 0, 0); + if (IS_ERR(tfm)) { + jent_testing_exit(); + return PTR_ERR(tfm); + } + + desc->tfm = tfm; + crypto_shash_init(desc); + ret = jent_entropy_init(CONFIG_CRYPTO_JITTERENTROPY_OSR, 0, desc, NULL); + shash_desc_zero(desc); + crypto_free_shash(tfm); if (ret) { /* Handle permanent health test error */ if (fips_enabled) panic("jitterentropy: Initialization failed with host not compliant with requirements: %d\n", ret); + jent_testing_exit(); pr_info("jitterentropy: Initialization failed with host not compliant with requirements: %d\n", ret); return -EFAULT; } @@ -202,6 +357,7 @@ static int __init jent_mod_init(void) static void __exit jent_mod_exit(void) { + jent_testing_exit(); crypto_unregister_rng(&jent_alg); } diff --git a/crypto/jitterentropy-testing.c b/crypto/jitterentropy-testing.c new file mode 100644 index 000000000000..21c9d7c3269a --- /dev/null +++ b/crypto/jitterentropy-testing.c @@ -0,0 +1,295 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ +/* + * Test interface for Jitter RNG. + * + * Copyright (C) 2023, Stephan Mueller <smueller@chronox.de> + */ + +#include <linux/debugfs.h> +#include <linux/module.h> +#include <linux/uaccess.h> + +#include "jitterentropy.h" + +#define JENT_TEST_RINGBUFFER_SIZE (1<<10) +#define JENT_TEST_RINGBUFFER_MASK (JENT_TEST_RINGBUFFER_SIZE - 1) + +struct jent_testing { + u64 jent_testing_rb[JENT_TEST_RINGBUFFER_SIZE]; + u32 rb_reader; + atomic_t rb_writer; + atomic_t jent_testing_enabled; + spinlock_t lock; + wait_queue_head_t read_wait; +}; + +static struct dentry *jent_raw_debugfs_root = NULL; + +/*************************** Generic Data Handling ****************************/ + +/* + * boot variable: + * 0 ==> No boot test, gathering of runtime data allowed + * 1 ==> Boot test enabled and ready for collecting data, gathering runtime + * data is disabled + * 2 ==> Boot test completed and disabled, gathering of runtime data is + * disabled + */ + +static void jent_testing_reset(struct jent_testing *data) +{ + unsigned long flags; + + spin_lock_irqsave(&data->lock, flags); + data->rb_reader = 0; + atomic_set(&data->rb_writer, 0); + spin_unlock_irqrestore(&data->lock, flags); +} + +static void jent_testing_data_init(struct jent_testing *data, u32 boot) +{ + /* + * The boot time testing implies we have a running test. If the + * caller wants to clear it, he has to unset the boot_test flag + * at runtime via sysfs to enable regular runtime testing + */ + if (boot) + return; + + jent_testing_reset(data); + atomic_set(&data->jent_testing_enabled, 1); + pr_warn("Enabling data collection\n"); +} + +static void jent_testing_fini(struct jent_testing *data, u32 boot) +{ + /* If we have boot data, we do not reset yet to allow data to be read */ + if (boot) + return; + + atomic_set(&data->jent_testing_enabled, 0); + jent_testing_reset(data); + pr_warn("Disabling data collection\n"); +} + +static bool jent_testing_store(struct jent_testing *data, u64 value, + u32 *boot) +{ + unsigned long flags; + + if (!atomic_read(&data->jent_testing_enabled) && (*boot != 1)) + return false; + + spin_lock_irqsave(&data->lock, flags); + + /* + * Disable entropy testing for boot time testing after ring buffer + * is filled. + */ + if (*boot) { + if (((u32)atomic_read(&data->rb_writer)) > + JENT_TEST_RINGBUFFER_SIZE) { + *boot = 2; + pr_warn_once("One time data collection test disabled\n"); + spin_unlock_irqrestore(&data->lock, flags); + return false; + } + + if (atomic_read(&data->rb_writer) == 1) + pr_warn("One time data collection test enabled\n"); + } + + data->jent_testing_rb[((u32)atomic_read(&data->rb_writer)) & + JENT_TEST_RINGBUFFER_MASK] = value; + atomic_inc(&data->rb_writer); + + spin_unlock_irqrestore(&data->lock, flags); + + if (wq_has_sleeper(&data->read_wait)) + wake_up_interruptible(&data->read_wait); + + return true; +} + +static bool jent_testing_have_data(struct jent_testing *data) +{ + return ((((u32)atomic_read(&data->rb_writer)) & + JENT_TEST_RINGBUFFER_MASK) != + (data->rb_reader & JENT_TEST_RINGBUFFER_MASK)); +} + +static int jent_testing_reader(struct jent_testing *data, u32 *boot, + u8 *outbuf, u32 outbuflen) +{ + unsigned long flags; + int collected_data = 0; + + jent_testing_data_init(data, *boot); + + while (outbuflen) { + u32 writer = (u32)atomic_read(&data->rb_writer); + + spin_lock_irqsave(&data->lock, flags); + + /* We have no data or reached the writer. */ + if (!writer || (writer == data->rb_reader)) { + + spin_unlock_irqrestore(&data->lock, flags); + + /* + * Now we gathered all boot data, enable regular data + * collection. + */ + if (*boot) { + *boot = 0; + goto out; + } + + wait_event_interruptible(data->read_wait, + jent_testing_have_data(data)); + if (signal_pending(current)) { + collected_data = -ERESTARTSYS; + goto out; + } + + continue; + } + + /* We copy out word-wise */ + if (outbuflen < sizeof(u64)) { + spin_unlock_irqrestore(&data->lock, flags); + goto out; + } + + memcpy(outbuf, &data->jent_testing_rb[data->rb_reader], + sizeof(u64)); + data->rb_reader++; + + spin_unlock_irqrestore(&data->lock, flags); + + outbuf += sizeof(u64); + outbuflen -= sizeof(u64); + collected_data += sizeof(u64); + } + +out: + jent_testing_fini(data, *boot); + return collected_data; +} + +static int jent_testing_extract_user(struct file *file, char __user *buf, + size_t nbytes, loff_t *ppos, + int (*reader)(u8 *outbuf, u32 outbuflen)) +{ + u8 *tmp, *tmp_aligned; + int ret = 0, large_request = (nbytes > 256); + + if (!nbytes) + return 0; + + /* + * The intention of this interface is for collecting at least + * 1000 samples due to the SP800-90B requirements. However, due to + * memory and performance constraints, it is not desirable to allocate + * 8000 bytes of memory. Instead, we allocate space for only 125 + * samples, which will allow the user to collect all 1000 samples using + * 8 calls to this interface. + */ + tmp = kmalloc(125 * sizeof(u64) + sizeof(u64), GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + tmp_aligned = PTR_ALIGN(tmp, sizeof(u64)); + + while (nbytes) { + int i; + + if (large_request && need_resched()) { + if (signal_pending(current)) { + if (ret == 0) + ret = -ERESTARTSYS; + break; + } + schedule(); + } + + i = min_t(int, nbytes, 125 * sizeof(u64)); + i = reader(tmp_aligned, i); + if (i <= 0) { + if (i < 0) + ret = i; + break; + } + if (copy_to_user(buf, tmp_aligned, i)) { + ret = -EFAULT; + break; + } + + nbytes -= i; + buf += i; + ret += i; + } + + kfree_sensitive(tmp); + + if (ret > 0) + *ppos += ret; + + return ret; +} + +/************** Raw High-Resolution Timer Entropy Data Handling **************/ + +static u32 boot_raw_hires_test = 0; +module_param(boot_raw_hires_test, uint, 0644); +MODULE_PARM_DESC(boot_raw_hires_test, + "Enable gathering boot time high resolution timer entropy of the first Jitter RNG entropy events"); + +static struct jent_testing jent_raw_hires = { + .rb_reader = 0, + .rb_writer = ATOMIC_INIT(0), + .lock = __SPIN_LOCK_UNLOCKED(jent_raw_hires.lock), + .read_wait = __WAIT_QUEUE_HEAD_INITIALIZER(jent_raw_hires.read_wait) +}; + +int jent_raw_hires_entropy_store(__u64 value) +{ + return jent_testing_store(&jent_raw_hires, value, &boot_raw_hires_test); +} +EXPORT_SYMBOL(jent_raw_hires_entropy_store); + +static int jent_raw_hires_entropy_reader(u8 *outbuf, u32 outbuflen) +{ + return jent_testing_reader(&jent_raw_hires, &boot_raw_hires_test, + outbuf, outbuflen); +} + +static ssize_t jent_raw_hires_read(struct file *file, char __user *to, + size_t count, loff_t *ppos) +{ + return jent_testing_extract_user(file, to, count, ppos, + jent_raw_hires_entropy_reader); +} + +static const struct file_operations jent_raw_hires_fops = { + .owner = THIS_MODULE, + .read = jent_raw_hires_read, +}; + +/******************************* Initialization *******************************/ + +void jent_testing_init(void) +{ + jent_raw_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); + + debugfs_create_file_unsafe("jent_raw_hires", 0400, + jent_raw_debugfs_root, NULL, + &jent_raw_hires_fops); +} +EXPORT_SYMBOL(jent_testing_init); + +void jent_testing_exit(void) +{ + debugfs_remove_recursive(jent_raw_debugfs_root); +} +EXPORT_SYMBOL(jent_testing_exit); diff --git a/crypto/jitterentropy.c b/crypto/jitterentropy.c index 22f48bf4c6f5..3f93cdc9a7af 100644 --- a/crypto/jitterentropy.c +++ b/crypto/jitterentropy.c @@ -2,7 +2,7 @@ * Non-physical true random number generator based on timing jitter -- * Jitter RNG standalone code. * - * Copyright Stephan Mueller <smueller@chronox.de>, 2015 - 2020 + * Copyright Stephan Mueller <smueller@chronox.de>, 2015 - 2023 * * Design * ====== @@ -47,7 +47,7 @@ /* * This Jitterentropy RNG is based on the jitterentropy library - * version 2.2.0 provided at https://www.chronox.de/jent.html + * version 3.4.0 provided at https://www.chronox.de/jent.html */ #ifdef __OPTIMIZE__ @@ -57,25 +57,28 @@ typedef unsigned long long __u64; typedef long long __s64; typedef unsigned int __u32; +typedef unsigned char u8; #define NULL ((void *) 0) /* The entropy pool */ struct rand_data { + /* SHA3-256 is used as conditioner */ +#define DATA_SIZE_BITS 256 /* all data values that are vital to maintain the security * of the RNG are marked as SENSITIVE. A user must not * access that information while the RNG executes its loops to * calculate the next random value. */ - __u64 data; /* SENSITIVE Actual random number */ - __u64 old_data; /* SENSITIVE Previous random number */ - __u64 prev_time; /* SENSITIVE Previous time stamp */ -#define DATA_SIZE_BITS ((sizeof(__u64)) * 8) - __u64 last_delta; /* SENSITIVE stuck test */ - __s64 last_delta2; /* SENSITIVE stuck test */ - unsigned int osr; /* Oversample rate */ -#define JENT_MEMORY_BLOCKS 64 -#define JENT_MEMORY_BLOCKSIZE 32 + void *hash_state; /* SENSITIVE hash state entropy pool */ + __u64 prev_time; /* SENSITIVE Previous time stamp */ + __u64 last_delta; /* SENSITIVE stuck test */ + __s64 last_delta2; /* SENSITIVE stuck test */ + + unsigned int flags; /* Flags used to initialize */ + unsigned int osr; /* Oversample rate */ #define JENT_MEMORY_ACCESSLOOPS 128 -#define JENT_MEMORY_SIZE (JENT_MEMORY_BLOCKS*JENT_MEMORY_BLOCKSIZE) +#define JENT_MEMORY_SIZE \ + (CONFIG_CRYPTO_JITTERENTROPY_MEMORY_BLOCKS * \ + CONFIG_CRYPTO_JITTERENTROPY_MEMORY_BLOCKSIZE) unsigned char *mem; /* Memory access location with size of * memblocks * memblocksize */ unsigned int memlocation; /* Pointer to byte in *mem */ @@ -87,12 +90,9 @@ struct rand_data { /* Repetition Count Test */ unsigned int rct_count; /* Number of stuck values */ - /* Intermittent health test failure threshold of 2^-30 */ -#define JENT_RCT_CUTOFF 30 /* Taken from SP800-90B sec 4.4.1 */ -#define JENT_APT_CUTOFF 325 /* Taken from SP800-90B sec 4.4.2 */ - /* Permanent health test failure threshold of 2^-60 */ -#define JENT_RCT_CUTOFF_PERMANENT 60 -#define JENT_APT_CUTOFF_PERMANENT 355 + /* Adaptive Proportion Test cutoff values */ + unsigned int apt_cutoff; /* Intermittent health test failure */ + unsigned int apt_cutoff_permanent; /* Permanent health test failure */ #define JENT_APT_WINDOW_SIZE 512 /* Data window size */ /* LSB of time stamp to process */ #define JENT_APT_LSB 16 @@ -100,6 +100,8 @@ struct rand_data { unsigned int apt_observations; /* Number of collected observations */ unsigned int apt_count; /* APT counter */ unsigned int apt_base; /* APT base reference */ + unsigned int health_failure; /* Record health failure */ + unsigned int apt_base_set:1; /* APT base reference set? */ }; @@ -117,7 +119,16 @@ struct rand_data { * zero). */ #define JENT_ESTUCK 8 /* Too many stuck results during init. */ #define JENT_EHEALTH 9 /* Health test failed during initialization */ -#define JENT_ERCT 10 /* RCT failed during initialization */ +#define JENT_ERCT 10 /* RCT failed during initialization */ +#define JENT_EHASH 11 /* Hash self test failed */ +#define JENT_EMEM 12 /* Can't allocate memory for initialization */ + +#define JENT_RCT_FAILURE 1 /* Failure in RCT health test. */ +#define JENT_APT_FAILURE 2 /* Failure in APT health test. */ +#define JENT_PERMANENT_FAILURE_SHIFT 16 +#define JENT_PERMANENT_FAILURE(x) (x << JENT_PERMANENT_FAILURE_SHIFT) +#define JENT_RCT_FAILURE_PERMANENT JENT_PERMANENT_FAILURE(JENT_RCT_FAILURE) +#define JENT_APT_FAILURE_PERMANENT JENT_PERMANENT_FAILURE(JENT_APT_FAILURE) /* * The output n bits can receive more than n bits of min entropy, of course, @@ -134,7 +145,9 @@ struct rand_data { */ #define JENT_ENTROPY_SAFETY_FACTOR 64 +#include <linux/array_size.h> #include <linux/fips.h> +#include <linux/minmax.h> #include "jitterentropy.h" /*************************************************************************** @@ -144,6 +157,47 @@ struct rand_data { ***************************************************************************/ /* + * See the SP 800-90B comment #10b for the corrected cutoff for the SP 800-90B + * APT. + * https://www.untruth.org/~josh/sp80090b/UL%20SP800-90B-final%20comments%20v1.9%2020191212.pdf + * In the syntax of R, this is C = 2 + qbinom(1 − 2^(−30), 511, 2^(-1/osr)). + * (The original formula wasn't correct because the first symbol must + * necessarily have been observed, so there is no chance of observing 0 of these + * symbols.) + * + * For the alpha < 2^-53, R cannot be used as it uses a float data type without + * arbitrary precision. A SageMath script is used to calculate those cutoff + * values. + * + * For any value above 14, this yields the maximal allowable value of 512 + * (by FIPS 140-2 IG 7.19 Resolution # 16, we cannot choose a cutoff value that + * renders the test unable to fail). + */ +static const unsigned int jent_apt_cutoff_lookup[15] = { + 325, 422, 459, 477, 488, 494, 499, 502, + 505, 507, 508, 509, 510, 511, 512 }; +static const unsigned int jent_apt_cutoff_permanent_lookup[15] = { + 355, 447, 479, 494, 502, 507, 510, 512, + 512, 512, 512, 512, 512, 512, 512 }; + +static void jent_apt_init(struct rand_data *ec, unsigned int osr) +{ + /* + * Establish the apt_cutoff based on the presumed entropy rate of + * 1/osr. + */ + if (osr >= ARRAY_SIZE(jent_apt_cutoff_lookup)) { + ec->apt_cutoff = jent_apt_cutoff_lookup[ + ARRAY_SIZE(jent_apt_cutoff_lookup) - 1]; + ec->apt_cutoff_permanent = jent_apt_cutoff_permanent_lookup[ + ARRAY_SIZE(jent_apt_cutoff_permanent_lookup) - 1]; + } else { + ec->apt_cutoff = jent_apt_cutoff_lookup[osr - 1]; + ec->apt_cutoff_permanent = + jent_apt_cutoff_permanent_lookup[osr - 1]; + } +} +/* * Reset the APT counter * * @ec [in] Reference to entropy collector @@ -171,26 +225,22 @@ static void jent_apt_insert(struct rand_data *ec, unsigned int delta_masked) return; } - if (delta_masked == ec->apt_base) + if (delta_masked == ec->apt_base) { ec->apt_count++; + /* Note, ec->apt_count starts with one. */ + if (ec->apt_count >= ec->apt_cutoff_permanent) + ec->health_failure |= JENT_APT_FAILURE_PERMANENT; + else if (ec->apt_count >= ec->apt_cutoff) + ec->health_failure |= JENT_APT_FAILURE; + } + ec->apt_observations++; if (ec->apt_observations >= JENT_APT_WINDOW_SIZE) jent_apt_reset(ec, delta_masked); } -/* APT health test failure detection */ -static int jent_apt_permanent_failure(struct rand_data *ec) -{ - return (ec->apt_count >= JENT_APT_CUTOFF_PERMANENT) ? 1 : 0; -} - -static int jent_apt_failure(struct rand_data *ec) -{ - return (ec->apt_count >= JENT_APT_CUTOFF) ? 1 : 0; -} - /*************************************************************************** * Stuck Test and its use as Repetition Count Test * @@ -217,6 +267,30 @@ static void jent_rct_insert(struct rand_data *ec, int stuck) { if (stuck) { ec->rct_count++; + + /* + * The cutoff value is based on the following consideration: + * alpha = 2^-30 or 2^-60 as recommended in SP800-90B. + * In addition, we require an entropy value H of 1/osr as this + * is the minimum entropy required to provide full entropy. + * Note, we collect (DATA_SIZE_BITS + ENTROPY_SAFETY_FACTOR)*osr + * deltas for inserting them into the entropy pool which should + * then have (close to) DATA_SIZE_BITS bits of entropy in the + * conditioned output. + * + * Note, ec->rct_count (which equals to value B in the pseudo + * code of SP800-90B section 4.4.1) starts with zero. Hence + * we need to subtract one from the cutoff value as calculated + * following SP800-90B. Thus C = ceil(-log_2(alpha)/H) = 30*osr + * or 60*osr. + */ + if ((unsigned int)ec->rct_count >= (60 * ec->osr)) { + ec->rct_count = -1; + ec->health_failure |= JENT_RCT_FAILURE_PERMANENT; + } else if ((unsigned int)ec->rct_count >= (30 * ec->osr)) { + ec->rct_count = -1; + ec->health_failure |= JENT_RCT_FAILURE; + } } else { /* Reset RCT */ ec->rct_count = 0; @@ -271,26 +345,25 @@ static int jent_stuck(struct rand_data *ec, __u64 current_delta) return 0; } -/* RCT health test failure detection */ -static int jent_rct_permanent_failure(struct rand_data *ec) -{ - return (ec->rct_count >= JENT_RCT_CUTOFF_PERMANENT) ? 1 : 0; -} - -static int jent_rct_failure(struct rand_data *ec) -{ - return (ec->rct_count >= JENT_RCT_CUTOFF) ? 1 : 0; -} - -/* Report of health test failures */ -static int jent_health_failure(struct rand_data *ec) +/* + * Report any health test failures + * + * @ec [in] Reference to entropy collector + * + * @return a bitmask indicating which tests failed + * 0 No health test failure + * 1 RCT failure + * 2 APT failure + * 1<<JENT_PERMANENT_FAILURE_SHIFT RCT permanent failure + * 2<<JENT_PERMANENT_FAILURE_SHIFT APT permanent failure + */ +static unsigned int jent_health_failure(struct rand_data *ec) { - return jent_rct_failure(ec) | jent_apt_failure(ec); -} + /* Test is only enabled in FIPS mode */ + if (!fips_enabled) + return 0; -static int jent_permanent_health_failure(struct rand_data *ec) -{ - return jent_rct_permanent_failure(ec) | jent_apt_permanent_failure(ec); + return ec->health_failure; } /*************************************************************************** @@ -302,15 +375,13 @@ static int jent_permanent_health_failure(struct rand_data *ec) * an entropy collection. * * Input: - * @ec entropy collector struct -- may be NULL * @bits is the number of low bits of the timer to consider * @min is the number of bits we shift the timer value to the right at * the end to make sure we have a guaranteed minimum value * * @return Newly calculated loop counter */ -static __u64 jent_loop_shuffle(struct rand_data *ec, - unsigned int bits, unsigned int min) +static __u64 jent_loop_shuffle(unsigned int bits, unsigned int min) { __u64 time = 0; __u64 shuffle = 0; @@ -318,12 +389,7 @@ static __u64 jent_loop_shuffle(struct rand_data *ec, unsigned int mask = (1<<bits) - 1; jent_get_nstime(&time); - /* - * Mix the current state of the random number into the shuffle - * calculation to balance that shuffle a bit more. - */ - if (ec) - time ^= ec->data; + /* * We fold the time value as much as possible to ensure that as many * bits of the time stamp are included as possible. @@ -345,81 +411,32 @@ static __u64 jent_loop_shuffle(struct rand_data *ec, * execution time jitter * * This function injects the individual bits of the time value into the - * entropy pool using an LFSR. - * - * The code is deliberately inefficient with respect to the bit shifting - * and shall stay that way. This function is the root cause why the code - * shall be compiled without optimization. This function not only acts as - * folding operation, but this function's execution is used to measure - * the CPU execution time jitter. Any change to the loop in this function - * implies that careful retesting must be done. + * entropy pool using a hash. * - * @ec [in] entropy collector struct - * @time [in] time stamp to be injected - * @loop_cnt [in] if a value not equal to 0 is set, use the given value as - * number of loops to perform the folding - * @stuck [in] Is the time stamp identified as stuck? + * ec [in] entropy collector + * time [in] time stamp to be injected + * stuck [in] Is the time stamp identified as stuck? * * Output: - * updated ec->data - * - * @return Number of loops the folding operation is performed + * updated hash context in the entropy collector or error code */ -static void jent_lfsr_time(struct rand_data *ec, __u64 time, __u64 loop_cnt, - int stuck) +static int jent_condition_data(struct rand_data *ec, __u64 time, int stuck) { - unsigned int i; - __u64 j = 0; - __u64 new = 0; -#define MAX_FOLD_LOOP_BIT 4 -#define MIN_FOLD_LOOP_BIT 0 - __u64 fold_loop_cnt = - jent_loop_shuffle(ec, MAX_FOLD_LOOP_BIT, MIN_FOLD_LOOP_BIT); - - /* - * testing purposes -- allow test app to set the counter, not - * needed during runtime - */ - if (loop_cnt) - fold_loop_cnt = loop_cnt; - for (j = 0; j < fold_loop_cnt; j++) { - new = ec->data; - for (i = 1; (DATA_SIZE_BITS) >= i; i++) { - __u64 tmp = time << (DATA_SIZE_BITS - i); - - tmp = tmp >> (DATA_SIZE_BITS - 1); - - /* - * Fibonacci LSFR with polynomial of - * x^64 + x^61 + x^56 + x^31 + x^28 + x^23 + 1 which is - * primitive according to - * http://poincare.matf.bg.ac.rs/~ezivkovm/publications/primpol1.pdf - * (the shift values are the polynomial values minus one - * due to counting bits from 0 to 63). As the current - * position is always the LSB, the polynomial only needs - * to shift data in from the left without wrap. - */ - tmp ^= ((new >> 63) & 1); - tmp ^= ((new >> 60) & 1); - tmp ^= ((new >> 55) & 1); - tmp ^= ((new >> 30) & 1); - tmp ^= ((new >> 27) & 1); - tmp ^= ((new >> 22) & 1); - new <<= 1; - new ^= tmp; - } - } - - /* - * If the time stamp is stuck, do not finally insert the value into - * the entropy pool. Although this operation should not do any harm - * even when the time stamp has no entropy, SP800-90B requires that - * any conditioning operation (SP800-90B considers the LFSR to be a - * conditioning operation) to have an identical amount of input - * data according to section 3.1.5. - */ - if (!stuck) - ec->data = new; +#define SHA3_HASH_LOOP (1<<3) + struct { + int rct_count; + unsigned int apt_observations; + unsigned int apt_count; + unsigned int apt_base; + } addtl = { + ec->rct_count, + ec->apt_observations, + ec->apt_count, + ec->apt_base + }; + + return jent_hash_time(ec->hash_state, time, (u8 *)&addtl, sizeof(addtl), + SHA3_HASH_LOOP, stuck); } /* @@ -453,7 +470,7 @@ static void jent_memaccess(struct rand_data *ec, __u64 loop_cnt) #define MAX_ACC_LOOP_BIT 7 #define MIN_ACC_LOOP_BIT 0 __u64 acc_loop_cnt = - jent_loop_shuffle(ec, MAX_ACC_LOOP_BIT, MIN_ACC_LOOP_BIT); + jent_loop_shuffle(MAX_ACC_LOOP_BIT, MIN_ACC_LOOP_BIT); if (NULL == ec || NULL == ec->mem) return; @@ -500,7 +517,7 @@ static void jent_memaccess(struct rand_data *ec, __u64 loop_cnt) * * @return result of stuck test */ -static int jent_measure_jitter(struct rand_data *ec) +static int jent_measure_jitter(struct rand_data *ec, __u64 *ret_current_delta) { __u64 time = 0; __u64 current_delta = 0; @@ -521,14 +538,19 @@ static int jent_measure_jitter(struct rand_data *ec) stuck = jent_stuck(ec, current_delta); /* Now call the next noise sources which also injects the data */ - jent_lfsr_time(ec, current_delta, 0, stuck); + if (jent_condition_data(ec, current_delta, stuck)) + stuck = 1; + + /* return the raw entropy value */ + if (ret_current_delta) + *ret_current_delta = current_delta; return stuck; } /* * Generator of one 64 bit random number - * Function fills rand_data->data + * Function fills rand_data->hash_state * * @ec [in] Reference to entropy collector */ @@ -540,11 +562,11 @@ static void jent_gen_entropy(struct rand_data *ec) safety_factor = JENT_ENTROPY_SAFETY_FACTOR; /* priming of the ->prev_time value */ - jent_measure_jitter(ec); + jent_measure_jitter(ec, NULL); while (!jent_health_failure(ec)) { /* If a stuck measurement is received, repeat measurement */ - if (jent_measure_jitter(ec)) + if (jent_measure_jitter(ec, NULL)) continue; /* @@ -575,7 +597,7 @@ static void jent_gen_entropy(struct rand_data *ec) * @return 0 when request is fulfilled or an error * * The following error codes can occur: - * -1 entropy_collector is NULL + * -1 entropy_collector is NULL or the generation failed * -2 Intermittent health failure * -3 Permanent health failure */ @@ -588,11 +610,12 @@ int jent_read_entropy(struct rand_data *ec, unsigned char *data, return -1; while (len > 0) { - unsigned int tocopy; + unsigned int tocopy, health_test_result; jent_gen_entropy(ec); - if (jent_permanent_health_failure(ec)) { + health_test_result = jent_health_failure(ec); + if (health_test_result > JENT_PERMANENT_FAILURE_SHIFT) { /* * At this point, the Jitter RNG instance is considered * as a failed instance. There is no rerun of the @@ -600,22 +623,25 @@ int jent_read_entropy(struct rand_data *ec, unsigned char *data, * is assumed to not further use this instance. */ return -3; - } else if (jent_health_failure(ec)) { + } else if (health_test_result) { /* * Perform startup health tests and return permanent * error if it fails. */ - if (jent_entropy_init()) + if (jent_entropy_init(0, 0, NULL, ec)) { + /* Mark the permanent error */ + ec->health_failure &= + JENT_RCT_FAILURE_PERMANENT | + JENT_APT_FAILURE_PERMANENT; return -3; + } return -2; } - if ((DATA_SIZE_BITS / 8) < len) - tocopy = (DATA_SIZE_BITS / 8); - else - tocopy = len; - jent_memcpy(p, &ec->data, tocopy); + tocopy = min(DATA_SIZE_BITS / 8, len); + if (jent_read_random_block(ec->hash_state, p, tocopy)) + return -1; len -= tocopy; p += tocopy; @@ -629,7 +655,8 @@ int jent_read_entropy(struct rand_data *ec, unsigned char *data, ***************************************************************************/ struct rand_data *jent_entropy_collector_alloc(unsigned int osr, - unsigned int flags) + unsigned int flags, + void *hash_state) { struct rand_data *entropy_collector; @@ -641,20 +668,28 @@ struct rand_data *jent_entropy_collector_alloc(unsigned int osr, /* Allocate memory for adding variations based on memory * access */ - entropy_collector->mem = jent_zalloc(JENT_MEMORY_SIZE); + entropy_collector->mem = jent_kvzalloc(JENT_MEMORY_SIZE); if (!entropy_collector->mem) { jent_zfree(entropy_collector); return NULL; } - entropy_collector->memblocksize = JENT_MEMORY_BLOCKSIZE; - entropy_collector->memblocks = JENT_MEMORY_BLOCKS; + entropy_collector->memblocksize = + CONFIG_CRYPTO_JITTERENTROPY_MEMORY_BLOCKSIZE; + entropy_collector->memblocks = + CONFIG_CRYPTO_JITTERENTROPY_MEMORY_BLOCKS; entropy_collector->memaccessloops = JENT_MEMORY_ACCESSLOOPS; } /* verify and set the oversampling rate */ if (osr == 0) - osr = 1; /* minimum sampling rate is 1 */ + osr = 1; /* H_submitter = 1 / osr */ entropy_collector->osr = osr; + entropy_collector->flags = flags; + + entropy_collector->hash_state = hash_state; + + /* Initialize the APT */ + jent_apt_init(entropy_collector, osr); /* fill the data pad with non-zero values */ jent_gen_entropy(entropy_collector); @@ -664,24 +699,39 @@ struct rand_data *jent_entropy_collector_alloc(unsigned int osr, void jent_entropy_collector_free(struct rand_data *entropy_collector) { - jent_zfree(entropy_collector->mem); + jent_kvzfree(entropy_collector->mem, JENT_MEMORY_SIZE); entropy_collector->mem = NULL; jent_zfree(entropy_collector); } -int jent_entropy_init(void) +int jent_entropy_init(unsigned int osr, unsigned int flags, void *hash_state, + struct rand_data *p_ec) { - int i; - __u64 delta_sum = 0; - __u64 old_delta = 0; - unsigned int nonstuck = 0; - int time_backwards = 0; - int count_mod = 0; - int count_stuck = 0; - struct rand_data ec = { 0 }; - - /* Required for RCT */ - ec.osr = 1; + /* + * If caller provides an allocated ec, reuse it which implies that the + * health test entropy data is used to further still the available + * entropy pool. + */ + struct rand_data *ec = p_ec; + int i, time_backwards = 0, ret = 0, ec_free = 0; + unsigned int health_test_result; + + if (!ec) { + ec = jent_entropy_collector_alloc(osr, flags, hash_state); + if (!ec) + return JENT_EMEM; + ec_free = 1; + } else { + /* Reset the APT */ + jent_apt_reset(ec, 0); + /* Ensure that a new APT base is obtained */ + ec->apt_base_set = 0; + /* Reset the RCT */ + ec->rct_count = 0; + /* Reset intermittent, leave permanent health test result */ + ec->health_failure &= (~JENT_RCT_FAILURE); + ec->health_failure &= (~JENT_APT_FAILURE); + } /* We could perform statistical tests here, but the problem is * that we only have a few loop counts to do testing. These @@ -710,31 +760,28 @@ int jent_entropy_init(void) #define TESTLOOPCOUNT 1024 #define CLEARCACHE 100 for (i = 0; (TESTLOOPCOUNT + CLEARCACHE) > i; i++) { - __u64 time = 0; - __u64 time2 = 0; - __u64 delta = 0; - unsigned int lowdelta = 0; - int stuck; + __u64 start_time = 0, end_time = 0, delta = 0; /* Invoke core entropy collection logic */ - jent_get_nstime(&time); - ec.prev_time = time; - jent_lfsr_time(&ec, time, 0, 0); - jent_get_nstime(&time2); + jent_measure_jitter(ec, &delta); + end_time = ec->prev_time; + start_time = ec->prev_time - delta; /* test whether timer works */ - if (!time || !time2) - return JENT_ENOTIME; - delta = jent_delta(time, time2); + if (!start_time || !end_time) { + ret = JENT_ENOTIME; + goto out; + } + /* * test whether timer is fine grained enough to provide * delta even when called shortly after each other -- this * implies that we also have a high resolution timer */ - if (!delta) - return JENT_ECOARSETIME; - - stuck = jent_stuck(&ec, delta); + if (!delta || (end_time == start_time)) { + ret = JENT_ECOARSETIME; + goto out; + } /* * up to here we did not modify any variable that will be @@ -746,51 +793,9 @@ int jent_entropy_init(void) if (i < CLEARCACHE) continue; - if (stuck) - count_stuck++; - else { - nonstuck++; - - /* - * Ensure that the APT succeeded. - * - * With the check below that count_stuck must be less - * than 10% of the overall generated raw entropy values - * it is guaranteed that the APT is invoked at - * floor((TESTLOOPCOUNT * 0.9) / 64) == 14 times. - */ - if ((nonstuck % JENT_APT_WINDOW_SIZE) == 0) { - jent_apt_reset(&ec, - delta & JENT_APT_WORD_MASK); - if (jent_health_failure(&ec)) - return JENT_EHEALTH; - } - } - - /* Validate RCT */ - if (jent_rct_failure(&ec)) - return JENT_ERCT; - /* test whether we have an increasing timer */ - if (!(time2 > time)) + if (!(end_time > start_time)) time_backwards++; - - /* use 32 bit value to ensure compilation on 32 bit arches */ - lowdelta = time2 - time; - if (!(lowdelta % 100)) - count_mod++; - - /* - * ensure that we have a varying delta timer which is necessary - * for the calculation of entropy -- perform this check - * only after the first loop is executed as we need to prime - * the old_data value - */ - if (delta > old_delta) - delta_sum += (delta - old_delta); - else - delta_sum += (old_delta - delta); - old_delta = delta; } /* @@ -800,31 +805,22 @@ int jent_entropy_init(void) * should not fail. The value of 3 should cover the NTP case being * performed during our test run. */ - if (time_backwards > 3) - return JENT_ENOMONOTONIC; - - /* - * Variations of deltas of time must on average be larger - * than 1 to ensure the entropy estimation - * implied with 1 is preserved - */ - if ((delta_sum) <= 1) - return JENT_EVARVAR; + if (time_backwards > 3) { + ret = JENT_ENOMONOTONIC; + goto out; + } - /* - * Ensure that we have variations in the time stamp below 10 for at - * least 10% of all checks -- on some platforms, the counter increments - * in multiples of 100, but not always - */ - if ((TESTLOOPCOUNT/10 * 9) < count_mod) - return JENT_ECOARSETIME; + /* Did we encounter a health test failure? */ + health_test_result = jent_health_failure(ec); + if (health_test_result) { + ret = (health_test_result & JENT_RCT_FAILURE) ? JENT_ERCT : + JENT_EHEALTH; + goto out; + } - /* - * If we have more than 90% stuck results, then this Jitter RNG is - * likely to not work well. - */ - if ((TESTLOOPCOUNT/10 * 9) < count_stuck) - return JENT_ESTUCK; +out: + if (ec_free) + jent_entropy_collector_free(ec); - return 0; + return ret; } diff --git a/crypto/jitterentropy.h b/crypto/jitterentropy.h index 5cc583f6bc6b..4c5dbf2a8d8f 100644 --- a/crypto/jitterentropy.h +++ b/crypto/jitterentropy.h @@ -1,15 +1,32 @@ // SPDX-License-Identifier: GPL-2.0-or-later +extern void *jent_kvzalloc(unsigned int len); +extern void jent_kvzfree(void *ptr, unsigned int len); extern void *jent_zalloc(unsigned int len); extern void jent_zfree(void *ptr); -extern void jent_memcpy(void *dest, const void *src, unsigned int n); extern void jent_get_nstime(__u64 *out); +extern int jent_hash_time(void *hash_state, __u64 time, u8 *addtl, + unsigned int addtl_len, __u64 hash_loop_cnt, + unsigned int stuck); +int jent_read_random_block(void *hash_state, char *dst, unsigned int dst_len); struct rand_data; -extern int jent_entropy_init(void); +extern int jent_entropy_init(unsigned int osr, unsigned int flags, + void *hash_state, struct rand_data *p_ec); extern int jent_read_entropy(struct rand_data *ec, unsigned char *data, unsigned int len); extern struct rand_data *jent_entropy_collector_alloc(unsigned int osr, - unsigned int flags); + unsigned int flags, + void *hash_state); extern void jent_entropy_collector_free(struct rand_data *entropy_collector); + +#ifdef CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE +int jent_raw_hires_entropy_store(__u64 value); +void jent_testing_init(void); +void jent_testing_exit(void); +#else /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */ +static inline int jent_raw_hires_entropy_store(__u64 value) { return 0; } +static inline void jent_testing_init(void) { } +static inline void jent_testing_exit(void) { } +#endif /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */ diff --git a/crypto/kdf_sp800108.c b/crypto/kdf_sp800108.c index c3f9938e1ad2..b7a6bf9da773 100644 --- a/crypto/kdf_sp800108.c +++ b/crypto/kdf_sp800108.c @@ -127,7 +127,7 @@ static int __init crypto_kdf108_init(void) { int ret; - if (IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS)) + if (!IS_ENABLED(CONFIG_CRYPTO_SELFTESTS)) return 0; ret = kdf_test(&kdf_ctr_hmac_sha256_tv_template[0], "hmac(sha256)", diff --git a/crypto/keywrap.c b/crypto/keywrap.c deleted file mode 100644 index 054d9a216fc9..000000000000 --- a/crypto/keywrap.c +++ /dev/null @@ -1,320 +0,0 @@ -/* - * Key Wrapping: RFC3394 / NIST SP800-38F - * - * Copyright (C) 2015, Stephan Mueller <smueller@chronox.de> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * ALTERNATIVELY, this product may be distributed under the terms of - * the GNU General Public License, in which case the provisions of the GPL2 - * are required INSTEAD OF the above restrictions. (This clause is - * necessary due to a potential bad interaction between the GPL and - * the restrictions contained in a BSD-style copyright.) - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - */ - -/* - * Note for using key wrapping: - * - * * The result of the encryption operation is the ciphertext starting - * with the 2nd semiblock. The first semiblock is provided as the IV. - * The IV used to start the encryption operation is the default IV. - * - * * The input for the decryption is the first semiblock handed in as an - * IV. The ciphertext is the data starting with the 2nd semiblock. The - * return code of the decryption operation will be EBADMSG in case an - * integrity error occurs. - * - * To obtain the full result of an encryption as expected by SP800-38F, the - * caller must allocate a buffer of plaintext + 8 bytes: - * - * unsigned int datalen = ptlen + crypto_skcipher_ivsize(tfm); - * u8 data[datalen]; - * u8 *iv = data; - * u8 *pt = data + crypto_skcipher_ivsize(tfm); - * <ensure that pt contains the plaintext of size ptlen> - * sg_init_one(&sg, pt, ptlen); - * skcipher_request_set_crypt(req, &sg, &sg, ptlen, iv); - * - * ==> After encryption, data now contains full KW result as per SP800-38F. - * - * In case of decryption, ciphertext now already has the expected length - * and must be segmented appropriately: - * - * unsigned int datalen = CTLEN; - * u8 data[datalen]; - * <ensure that data contains full ciphertext> - * u8 *iv = data; - * u8 *ct = data + crypto_skcipher_ivsize(tfm); - * unsigned int ctlen = datalen - crypto_skcipher_ivsize(tfm); - * sg_init_one(&sg, ct, ctlen); - * skcipher_request_set_crypt(req, &sg, &sg, ctlen, iv); - * - * ==> After decryption (which hopefully does not return EBADMSG), the ct - * pointer now points to the plaintext of size ctlen. - * - * Note 2: KWP is not implemented as this would defy in-place operation. - * If somebody wants to wrap non-aligned data, he should simply pad - * the input with zeros to fill it up to the 8 byte boundary. - */ - -#include <linux/module.h> -#include <linux/crypto.h> -#include <linux/scatterlist.h> -#include <crypto/scatterwalk.h> -#include <crypto/internal/cipher.h> -#include <crypto/internal/skcipher.h> - -struct crypto_kw_block { -#define SEMIBSIZE 8 - __be64 A; - __be64 R; -}; - -/* - * Fast forward the SGL to the "end" length minus SEMIBSIZE. - * The start in the SGL defined by the fast-forward is returned with - * the walk variable - */ -static void crypto_kw_scatterlist_ff(struct scatter_walk *walk, - struct scatterlist *sg, - unsigned int end) -{ - unsigned int skip = 0; - - /* The caller should only operate on full SEMIBLOCKs. */ - BUG_ON(end < SEMIBSIZE); - - skip = end - SEMIBSIZE; - while (sg) { - if (sg->length > skip) { - scatterwalk_start(walk, sg); - scatterwalk_advance(walk, skip); - break; - } - - skip -= sg->length; - sg = sg_next(sg); - } -} - -static int crypto_kw_decrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct crypto_cipher *cipher = skcipher_cipher_simple(tfm); - struct crypto_kw_block block; - struct scatterlist *src, *dst; - u64 t = 6 * ((req->cryptlen) >> 3); - unsigned int i; - int ret = 0; - - /* - * Require at least 2 semiblocks (note, the 3rd semiblock that is - * required by SP800-38F is the IV. - */ - if (req->cryptlen < (2 * SEMIBSIZE) || req->cryptlen % SEMIBSIZE) - return -EINVAL; - - /* Place the IV into block A */ - memcpy(&block.A, req->iv, SEMIBSIZE); - - /* - * src scatterlist is read-only. dst scatterlist is r/w. During the - * first loop, src points to req->src and dst to req->dst. For any - * subsequent round, the code operates on req->dst only. - */ - src = req->src; - dst = req->dst; - - for (i = 0; i < 6; i++) { - struct scatter_walk src_walk, dst_walk; - unsigned int nbytes = req->cryptlen; - - while (nbytes) { - /* move pointer by nbytes in the SGL */ - crypto_kw_scatterlist_ff(&src_walk, src, nbytes); - /* get the source block */ - scatterwalk_copychunks(&block.R, &src_walk, SEMIBSIZE, - false); - - /* perform KW operation: modify IV with counter */ - block.A ^= cpu_to_be64(t); - t--; - /* perform KW operation: decrypt block */ - crypto_cipher_decrypt_one(cipher, (u8 *)&block, - (u8 *)&block); - - /* move pointer by nbytes in the SGL */ - crypto_kw_scatterlist_ff(&dst_walk, dst, nbytes); - /* Copy block->R into place */ - scatterwalk_copychunks(&block.R, &dst_walk, SEMIBSIZE, - true); - - nbytes -= SEMIBSIZE; - } - - /* we now start to operate on the dst SGL only */ - src = req->dst; - dst = req->dst; - } - - /* Perform authentication check */ - if (block.A != cpu_to_be64(0xa6a6a6a6a6a6a6a6ULL)) - ret = -EBADMSG; - - memzero_explicit(&block, sizeof(struct crypto_kw_block)); - - return ret; -} - -static int crypto_kw_encrypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct crypto_cipher *cipher = skcipher_cipher_simple(tfm); - struct crypto_kw_block block; - struct scatterlist *src, *dst; - u64 t = 1; - unsigned int i; - - /* - * Require at least 2 semiblocks (note, the 3rd semiblock that is - * required by SP800-38F is the IV that occupies the first semiblock. - * This means that the dst memory must be one semiblock larger than src. - * Also ensure that the given data is aligned to semiblock. - */ - if (req->cryptlen < (2 * SEMIBSIZE) || req->cryptlen % SEMIBSIZE) - return -EINVAL; - - /* - * Place the predefined IV into block A -- for encrypt, the caller - * does not need to provide an IV, but he needs to fetch the final IV. - */ - block.A = cpu_to_be64(0xa6a6a6a6a6a6a6a6ULL); - - /* - * src scatterlist is read-only. dst scatterlist is r/w. During the - * first loop, src points to req->src and dst to req->dst. For any - * subsequent round, the code operates on req->dst only. - */ - src = req->src; - dst = req->dst; - - for (i = 0; i < 6; i++) { - struct scatter_walk src_walk, dst_walk; - unsigned int nbytes = req->cryptlen; - - scatterwalk_start(&src_walk, src); - scatterwalk_start(&dst_walk, dst); - - while (nbytes) { - /* get the source block */ - scatterwalk_copychunks(&block.R, &src_walk, SEMIBSIZE, - false); - - /* perform KW operation: encrypt block */ - crypto_cipher_encrypt_one(cipher, (u8 *)&block, - (u8 *)&block); - /* perform KW operation: modify IV with counter */ - block.A ^= cpu_to_be64(t); - t++; - - /* Copy block->R into place */ - scatterwalk_copychunks(&block.R, &dst_walk, SEMIBSIZE, - true); - - nbytes -= SEMIBSIZE; - } - - /* we now start to operate on the dst SGL only */ - src = req->dst; - dst = req->dst; - } - - /* establish the IV for the caller to pick up */ - memcpy(req->iv, &block.A, SEMIBSIZE); - - memzero_explicit(&block, sizeof(struct crypto_kw_block)); - - return 0; -} - -static int crypto_kw_create(struct crypto_template *tmpl, struct rtattr **tb) -{ - struct skcipher_instance *inst; - struct crypto_alg *alg; - int err; - - inst = skcipher_alloc_instance_simple(tmpl, tb); - if (IS_ERR(inst)) - return PTR_ERR(inst); - - alg = skcipher_ialg_simple(inst); - - err = -EINVAL; - /* Section 5.1 requirement for KW */ - if (alg->cra_blocksize != sizeof(struct crypto_kw_block)) - goto out_free_inst; - - inst->alg.base.cra_blocksize = SEMIBSIZE; - inst->alg.base.cra_alignmask = 0; - inst->alg.ivsize = SEMIBSIZE; - - inst->alg.encrypt = crypto_kw_encrypt; - inst->alg.decrypt = crypto_kw_decrypt; - - err = skcipher_register_instance(tmpl, inst); - if (err) { -out_free_inst: - inst->free(inst); - } - - return err; -} - -static struct crypto_template crypto_kw_tmpl = { - .name = "kw", - .create = crypto_kw_create, - .module = THIS_MODULE, -}; - -static int __init crypto_kw_init(void) -{ - return crypto_register_template(&crypto_kw_tmpl); -} - -static void __exit crypto_kw_exit(void) -{ - crypto_unregister_template(&crypto_kw_tmpl); -} - -subsys_initcall(crypto_kw_init); -module_exit(crypto_kw_exit); - -MODULE_LICENSE("Dual BSD/GPL"); -MODULE_AUTHOR("Stephan Mueller <smueller@chronox.de>"); -MODULE_DESCRIPTION("Key Wrapping (RFC3394 / NIST SP800-38F)"); -MODULE_ALIAS_CRYPTO("kw"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); diff --git a/crypto/khazad.c b/crypto/khazad.c index 70cafe73f974..024264ee9cd1 100644 --- a/crypto/khazad.c +++ b/crypto/khazad.c @@ -23,7 +23,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/mm.h> -#include <asm/byteorder.h> +#include <linux/unaligned.h> #include <linux/types.h> #define KHAZAD_KEY_SIZE 16 @@ -757,14 +757,12 @@ static int khazad_setkey(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct khazad_ctx *ctx = crypto_tfm_ctx(tfm); - const __be32 *key = (const __be32 *)in_key; int r; const u64 *S = T7; u64 K2, K1; - /* key is supposed to be 32-bit aligned */ - K2 = ((u64)be32_to_cpu(key[0]) << 32) | be32_to_cpu(key[1]); - K1 = ((u64)be32_to_cpu(key[2]) << 32) | be32_to_cpu(key[3]); + K2 = get_unaligned_be64(&in_key[0]); + K1 = get_unaligned_be64(&in_key[8]); /* setup the encrypt key */ for (r = 0; r <= KHAZAD_ROUNDS; r++) { @@ -800,14 +798,12 @@ static int khazad_setkey(struct crypto_tfm *tfm, const u8 *in_key, } static void khazad_crypt(const u64 roundKey[KHAZAD_ROUNDS + 1], - u8 *ciphertext, const u8 *plaintext) + u8 *dst, const u8 *src) { - const __be64 *src = (const __be64 *)plaintext; - __be64 *dst = (__be64 *)ciphertext; int r; u64 state; - state = be64_to_cpu(*src) ^ roundKey[0]; + state = get_unaligned_be64(src) ^ roundKey[0]; for (r = 1; r < KHAZAD_ROUNDS; r++) { state = T0[(int)(state >> 56) ] ^ @@ -831,7 +827,7 @@ static void khazad_crypt(const u64 roundKey[KHAZAD_ROUNDS + 1], (T7[(int)(state ) & 0xff] & 0x00000000000000ffULL) ^ roundKey[KHAZAD_ROUNDS]; - *dst = cpu_to_be64(state); + put_unaligned_be64(state, dst); } static void khazad_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) @@ -852,7 +848,6 @@ static struct crypto_alg khazad_alg = { .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = KHAZAD_BLOCK_SIZE, .cra_ctxsize = sizeof (struct khazad_ctx), - .cra_alignmask = 7, .cra_module = THIS_MODULE, .cra_u = { .cipher = { .cia_min_keysize = KHAZAD_KEY_SIZE, @@ -876,7 +871,7 @@ static void __exit khazad_mod_fini(void) } -subsys_initcall(khazad_mod_init); +module_init(khazad_mod_init); module_exit(khazad_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/kpp.c b/crypto/kpp.c index 33d44e59387f..2e0cefe7a25f 100644 --- a/crypto/kpp.c +++ b/crypto/kpp.c @@ -66,29 +66,6 @@ static void crypto_kpp_free_instance(struct crypto_instance *inst) kpp->free(kpp); } -static int __maybe_unused crypto_kpp_report_stat( - struct sk_buff *skb, struct crypto_alg *alg) -{ - struct kpp_alg *kpp = __crypto_kpp_alg(alg); - struct crypto_istat_kpp *istat; - struct crypto_stat_kpp rkpp; - - istat = kpp_get_stat(kpp); - - memset(&rkpp, 0, sizeof(rkpp)); - - strscpy(rkpp.type, "kpp", sizeof(rkpp.type)); - - rkpp.stat_setsecret_cnt = atomic64_read(&istat->setsecret_cnt); - rkpp.stat_generate_public_key_cnt = - atomic64_read(&istat->generate_public_key_cnt); - rkpp.stat_compute_shared_secret_cnt = - atomic64_read(&istat->compute_shared_secret_cnt); - rkpp.stat_err_cnt = atomic64_read(&istat->err_cnt); - - return nla_put(skb, CRYPTOCFGA_STAT_KPP, sizeof(rkpp), &rkpp); -} - static const struct crypto_type crypto_kpp_type = { .extsize = crypto_alg_extsize, .init_tfm = crypto_kpp_init_tfm, @@ -99,13 +76,11 @@ static const struct crypto_type crypto_kpp_type = { #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_kpp_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_kpp_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_MASK, .type = CRYPTO_ALG_TYPE_KPP, .tfmsize = offsetof(struct crypto_kpp, base), + .algsize = offsetof(struct kpp_alg, base), }; struct crypto_kpp *crypto_alloc_kpp(const char *alg_name, u32 type, u32 mask) @@ -131,15 +106,11 @@ EXPORT_SYMBOL_GPL(crypto_has_kpp); static void kpp_prepare_alg(struct kpp_alg *alg) { - struct crypto_istat_kpp *istat = kpp_get_stat(alg); struct crypto_alg *base = &alg->base; base->cra_type = &crypto_kpp_type; base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; base->cra_flags |= CRYPTO_ALG_TYPE_KPP; - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - memset(istat, 0, sizeof(*istat)); } int crypto_register_kpp(struct kpp_alg *alg) diff --git a/crypto/krb5/Kconfig b/crypto/krb5/Kconfig new file mode 100644 index 000000000000..4d0476e13f3c --- /dev/null +++ b/crypto/krb5/Kconfig @@ -0,0 +1,26 @@ +config CRYPTO_KRB5 + tristate "Kerberos 5 crypto" + select CRYPTO_MANAGER + select CRYPTO_KRB5ENC + select CRYPTO_AUTHENC + select CRYPTO_SKCIPHER + select CRYPTO_HASH_INFO + select CRYPTO_HMAC + select CRYPTO_CMAC + select CRYPTO_SHA1 + select CRYPTO_SHA256 + select CRYPTO_SHA512 + select CRYPTO_CBC + select CRYPTO_CTS + select CRYPTO_AES + select CRYPTO_CAMELLIA + help + Provide a library for provision of Kerberos-5-based crypto. This is + intended for network filesystems to use. + +config CRYPTO_KRB5_SELFTESTS + bool "Kerberos 5 crypto selftests" + depends on CRYPTO_KRB5 + help + Turn on some self-testing for the kerberos 5 crypto functions. These + will be performed on module load or boot, if compiled in. diff --git a/crypto/krb5/Makefile b/crypto/krb5/Makefile new file mode 100644 index 000000000000..d38890c0b247 --- /dev/null +++ b/crypto/krb5/Makefile @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for asymmetric cryptographic keys +# + +krb5-y += \ + krb5_kdf.o \ + krb5_api.o \ + rfc3961_simplified.o \ + rfc3962_aes.o \ + rfc6803_camellia.o \ + rfc8009_aes2.o + +krb5-$(CONFIG_CRYPTO_KRB5_SELFTESTS) += \ + selftest.o \ + selftest_data.o + +obj-$(CONFIG_CRYPTO_KRB5) += krb5.o diff --git a/crypto/krb5/internal.h b/crypto/krb5/internal.h new file mode 100644 index 000000000000..a59084ffafe8 --- /dev/null +++ b/crypto/krb5/internal.h @@ -0,0 +1,247 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Kerberos5 crypto internals + * + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#include <linux/scatterlist.h> +#include <crypto/krb5.h> +#include <crypto/hash.h> +#include <crypto/skcipher.h> + +/* + * Profile used for key derivation and encryption. + */ +struct krb5_crypto_profile { + /* Pseudo-random function */ + int (*calc_PRF)(const struct krb5_enctype *krb5, + const struct krb5_buffer *protocol_key, + const struct krb5_buffer *octet_string, + struct krb5_buffer *result, + gfp_t gfp); + + /* Checksum key derivation */ + int (*calc_Kc)(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + const struct krb5_buffer *usage_constant, + struct krb5_buffer *Kc, + gfp_t gfp); + + /* Encryption key derivation */ + int (*calc_Ke)(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + const struct krb5_buffer *usage_constant, + struct krb5_buffer *Ke, + gfp_t gfp); + + /* Integrity key derivation */ + int (*calc_Ki)(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + const struct krb5_buffer *usage_constant, + struct krb5_buffer *Ki, + gfp_t gfp); + + /* Derive the keys needed for an encryption AEAD object. */ + int (*derive_encrypt_keys)(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + unsigned int usage, + struct krb5_buffer *setkey, + gfp_t gfp); + + /* Directly load the keys needed for an encryption AEAD object. */ + int (*load_encrypt_keys)(const struct krb5_enctype *krb5, + const struct krb5_buffer *Ke, + const struct krb5_buffer *Ki, + struct krb5_buffer *setkey, + gfp_t gfp); + + /* Derive the key needed for a checksum hash object. */ + int (*derive_checksum_key)(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + unsigned int usage, + struct krb5_buffer *setkey, + gfp_t gfp); + + /* Directly load the keys needed for a checksum hash object. */ + int (*load_checksum_key)(const struct krb5_enctype *krb5, + const struct krb5_buffer *Kc, + struct krb5_buffer *setkey, + gfp_t gfp); + + /* Encrypt data in-place, inserting confounder and checksum. */ + ssize_t (*encrypt)(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, + size_t sg_len, + size_t data_offset, size_t data_len, + bool preconfounded); + + /* Decrypt data in-place, removing confounder and checksum */ + int (*decrypt)(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len); + + /* Generate a MIC on part of a packet, inserting the checksum */ + ssize_t (*get_mic)(const struct krb5_enctype *krb5, + struct crypto_shash *shash, + const struct krb5_buffer *metadata, + struct scatterlist *sg, unsigned int nr_sg, + size_t sg_len, + size_t data_offset, size_t data_len); + + /* Verify the MIC on a piece of data, removing the checksum */ + int (*verify_mic)(const struct krb5_enctype *krb5, + struct crypto_shash *shash, + const struct krb5_buffer *metadata, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len); +}; + +/* + * Crypto size/alignment rounding convenience macros. + */ +#define crypto_roundup(X) ((unsigned int)round_up((X), CRYPTO_MINALIGN)) + +#define krb5_aead_size(TFM) \ + crypto_roundup(sizeof(struct aead_request) + crypto_aead_reqsize(TFM)) +#define krb5_aead_ivsize(TFM) \ + crypto_roundup(crypto_aead_ivsize(TFM)) +#define krb5_shash_size(TFM) \ + crypto_roundup(sizeof(struct shash_desc) + crypto_shash_descsize(TFM)) +#define krb5_digest_size(TFM) \ + crypto_roundup(crypto_shash_digestsize(TFM)) +#define round16(x) (((x) + 15) & ~15) + +/* + * Self-testing data. + */ +struct krb5_prf_test { + u32 etype; + const char *name, *key, *octet, *prf; +}; + +struct krb5_key_test_one { + u32 use; + const char *key; +}; + +struct krb5_key_test { + u32 etype; + const char *name, *key; + struct krb5_key_test_one Kc, Ke, Ki; +}; + +struct krb5_enc_test { + u32 etype; + u32 usage; + const char *name, *plain, *conf, *K0, *Ke, *Ki, *ct; +}; + +struct krb5_mic_test { + u32 etype; + u32 usage; + const char *name, *plain, *K0, *Kc, *mic; +}; + +/* + * krb5_api.c + */ +struct crypto_aead *krb5_prepare_encryption(const struct krb5_enctype *krb5, + const struct krb5_buffer *keys, + gfp_t gfp); +struct crypto_shash *krb5_prepare_checksum(const struct krb5_enctype *krb5, + const struct krb5_buffer *Kc, + gfp_t gfp); + +/* + * krb5_kdf.c + */ +int krb5_derive_Kc(const struct krb5_enctype *krb5, const struct krb5_buffer *TK, + u32 usage, struct krb5_buffer *key, gfp_t gfp); +int krb5_derive_Ke(const struct krb5_enctype *krb5, const struct krb5_buffer *TK, + u32 usage, struct krb5_buffer *key, gfp_t gfp); +int krb5_derive_Ki(const struct krb5_enctype *krb5, const struct krb5_buffer *TK, + u32 usage, struct krb5_buffer *key, gfp_t gfp); + +/* + * rfc3961_simplified.c + */ +extern const struct krb5_crypto_profile rfc3961_simplified_profile; + +int crypto_shash_update_sg(struct shash_desc *desc, struct scatterlist *sg, + size_t offset, size_t len); +int authenc_derive_encrypt_keys(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + unsigned int usage, + struct krb5_buffer *setkey, + gfp_t gfp); +int authenc_load_encrypt_keys(const struct krb5_enctype *krb5, + const struct krb5_buffer *Ke, + const struct krb5_buffer *Ki, + struct krb5_buffer *setkey, + gfp_t gfp); +int rfc3961_derive_checksum_key(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + unsigned int usage, + struct krb5_buffer *setkey, + gfp_t gfp); +int rfc3961_load_checksum_key(const struct krb5_enctype *krb5, + const struct krb5_buffer *Kc, + struct krb5_buffer *setkey, + gfp_t gfp); +ssize_t krb5_aead_encrypt(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, size_t sg_len, + size_t data_offset, size_t data_len, + bool preconfounded); +int krb5_aead_decrypt(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len); +ssize_t rfc3961_get_mic(const struct krb5_enctype *krb5, + struct crypto_shash *shash, + const struct krb5_buffer *metadata, + struct scatterlist *sg, unsigned int nr_sg, size_t sg_len, + size_t data_offset, size_t data_len); +int rfc3961_verify_mic(const struct krb5_enctype *krb5, + struct crypto_shash *shash, + const struct krb5_buffer *metadata, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len); + +/* + * rfc3962_aes.c + */ +extern const struct krb5_enctype krb5_aes128_cts_hmac_sha1_96; +extern const struct krb5_enctype krb5_aes256_cts_hmac_sha1_96; + +/* + * rfc6803_camellia.c + */ +extern const struct krb5_enctype krb5_camellia128_cts_cmac; +extern const struct krb5_enctype krb5_camellia256_cts_cmac; + +/* + * rfc8009_aes2.c + */ +extern const struct krb5_enctype krb5_aes128_cts_hmac_sha256_128; +extern const struct krb5_enctype krb5_aes256_cts_hmac_sha384_192; + +/* + * selftest.c + */ +#ifdef CONFIG_CRYPTO_KRB5_SELFTESTS +int krb5_selftest(void); +#else +static inline int krb5_selftest(void) { return 0; } +#endif + +/* + * selftest_data.c + */ +extern const struct krb5_prf_test krb5_prf_tests[]; +extern const struct krb5_key_test krb5_key_tests[]; +extern const struct krb5_enc_test krb5_enc_tests[]; +extern const struct krb5_mic_test krb5_mic_tests[]; diff --git a/crypto/krb5/krb5_api.c b/crypto/krb5/krb5_api.c new file mode 100644 index 000000000000..23026d4206c8 --- /dev/null +++ b/crypto/krb5/krb5_api.c @@ -0,0 +1,452 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Kerberos 5 crypto library. + * + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/module.h> +#include <linux/export.h> +#include <linux/kernel.h> +#include "internal.h" + +MODULE_DESCRIPTION("Kerberos 5 crypto"); +MODULE_AUTHOR("Red Hat, Inc."); +MODULE_LICENSE("GPL"); + +static const struct krb5_enctype *const krb5_supported_enctypes[] = { + &krb5_aes128_cts_hmac_sha1_96, + &krb5_aes256_cts_hmac_sha1_96, + &krb5_aes128_cts_hmac_sha256_128, + &krb5_aes256_cts_hmac_sha384_192, + &krb5_camellia128_cts_cmac, + &krb5_camellia256_cts_cmac, +}; + +/** + * crypto_krb5_find_enctype - Find the handler for a Kerberos5 encryption type + * @enctype: The standard Kerberos encryption type number + * + * Look up a Kerberos encryption type by number. If successful, returns a + * pointer to the type tables; returns NULL otherwise. + */ +const struct krb5_enctype *crypto_krb5_find_enctype(u32 enctype) +{ + const struct krb5_enctype *krb5; + size_t i; + + for (i = 0; i < ARRAY_SIZE(krb5_supported_enctypes); i++) { + krb5 = krb5_supported_enctypes[i]; + if (krb5->etype == enctype) + return krb5; + } + + return NULL; +} +EXPORT_SYMBOL(crypto_krb5_find_enctype); + +/** + * crypto_krb5_how_much_buffer - Work out how much buffer is required for an amount of data + * @krb5: The encoding to use. + * @mode: The mode in which to operated (checksum/encrypt) + * @data_size: How much data we want to allow for + * @_offset: Where to place the offset into the buffer + * + * Calculate how much buffer space is required to wrap a given amount of data. + * This allows for a confounder, padding and checksum as appropriate. The + * amount of buffer required is returned and the offset into the buffer at + * which the data will start is placed in *_offset. + */ +size_t crypto_krb5_how_much_buffer(const struct krb5_enctype *krb5, + enum krb5_crypto_mode mode, + size_t data_size, size_t *_offset) +{ + switch (mode) { + case KRB5_CHECKSUM_MODE: + *_offset = krb5->cksum_len; + return krb5->cksum_len + data_size; + + case KRB5_ENCRYPT_MODE: + *_offset = krb5->conf_len; + return krb5->conf_len + data_size + krb5->cksum_len; + + default: + WARN_ON(1); + *_offset = 0; + return 0; + } +} +EXPORT_SYMBOL(crypto_krb5_how_much_buffer); + +/** + * crypto_krb5_how_much_data - Work out how much data can fit in an amount of buffer + * @krb5: The encoding to use. + * @mode: The mode in which to operated (checksum/encrypt) + * @_buffer_size: How much buffer we want to allow for (may be reduced) + * @_offset: Where to place the offset into the buffer + * + * Calculate how much data can be fitted into given amount of buffer. This + * allows for a confounder, padding and checksum as appropriate. The amount of + * data that will fit is returned, the amount of buffer required is shrunk to + * allow for alignment and the offset into the buffer at which the data will + * start is placed in *_offset. + */ +size_t crypto_krb5_how_much_data(const struct krb5_enctype *krb5, + enum krb5_crypto_mode mode, + size_t *_buffer_size, size_t *_offset) +{ + size_t buffer_size = *_buffer_size, data_size; + + switch (mode) { + case KRB5_CHECKSUM_MODE: + if (WARN_ON(buffer_size < krb5->cksum_len + 1)) + goto bad; + *_offset = krb5->cksum_len; + return buffer_size - krb5->cksum_len; + + case KRB5_ENCRYPT_MODE: + if (WARN_ON(buffer_size < krb5->conf_len + 1 + krb5->cksum_len)) + goto bad; + data_size = buffer_size - krb5->cksum_len; + *_offset = krb5->conf_len; + return data_size - krb5->conf_len; + + default: + WARN_ON(1); + goto bad; + } + +bad: + *_offset = 0; + return 0; +} +EXPORT_SYMBOL(crypto_krb5_how_much_data); + +/** + * crypto_krb5_where_is_the_data - Find the data in a decrypted message + * @krb5: The encoding to use. + * @mode: Mode of operation + * @_offset: Offset of the secure blob in the buffer; updated to data offset. + * @_len: The length of the secure blob; updated to data length. + * + * Find the offset and size of the data in a secure message so that this + * information can be used in the metadata buffer which will get added to the + * digest by crypto_krb5_verify_mic(). + */ +void crypto_krb5_where_is_the_data(const struct krb5_enctype *krb5, + enum krb5_crypto_mode mode, + size_t *_offset, size_t *_len) +{ + switch (mode) { + case KRB5_CHECKSUM_MODE: + *_offset += krb5->cksum_len; + *_len -= krb5->cksum_len; + return; + case KRB5_ENCRYPT_MODE: + *_offset += krb5->conf_len; + *_len -= krb5->conf_len + krb5->cksum_len; + return; + default: + WARN_ON_ONCE(1); + return; + } +} +EXPORT_SYMBOL(crypto_krb5_where_is_the_data); + +/* + * Prepare the encryption with derived key data. + */ +struct crypto_aead *krb5_prepare_encryption(const struct krb5_enctype *krb5, + const struct krb5_buffer *keys, + gfp_t gfp) +{ + struct crypto_aead *ci = NULL; + int ret = -ENOMEM; + + ci = crypto_alloc_aead(krb5->encrypt_name, 0, 0); + if (IS_ERR(ci)) { + ret = PTR_ERR(ci); + if (ret == -ENOENT) + ret = -ENOPKG; + goto err; + } + + ret = crypto_aead_setkey(ci, keys->data, keys->len); + if (ret < 0) { + pr_err("Couldn't set AEAD key %s: %d\n", krb5->encrypt_name, ret); + goto err_ci; + } + + ret = crypto_aead_setauthsize(ci, krb5->cksum_len); + if (ret < 0) { + pr_err("Couldn't set AEAD authsize %s: %d\n", krb5->encrypt_name, ret); + goto err_ci; + } + + return ci; +err_ci: + crypto_free_aead(ci); +err: + return ERR_PTR(ret); +} + +/** + * crypto_krb5_prepare_encryption - Prepare AEAD crypto object for encryption-mode + * @krb5: The encoding to use. + * @TK: The transport key to use. + * @usage: The usage constant for key derivation. + * @gfp: Allocation flags. + * + * Allocate a crypto object that does all the necessary crypto, key it and set + * its parameters and return the crypto handle to it. This can then be used to + * dispatch encrypt and decrypt operations. + */ +struct crypto_aead *crypto_krb5_prepare_encryption(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + u32 usage, gfp_t gfp) +{ + struct crypto_aead *ci = NULL; + struct krb5_buffer keys = {}; + int ret; + + ret = krb5->profile->derive_encrypt_keys(krb5, TK, usage, &keys, gfp); + if (ret < 0) + goto err; + + ci = krb5_prepare_encryption(krb5, &keys, gfp); + if (IS_ERR(ci)) { + ret = PTR_ERR(ci); + goto err; + } + + kfree(keys.data); + return ci; +err: + kfree(keys.data); + return ERR_PTR(ret); +} +EXPORT_SYMBOL(crypto_krb5_prepare_encryption); + +/* + * Prepare the checksum with derived key data. + */ +struct crypto_shash *krb5_prepare_checksum(const struct krb5_enctype *krb5, + const struct krb5_buffer *Kc, + gfp_t gfp) +{ + struct crypto_shash *ci = NULL; + int ret = -ENOMEM; + + ci = crypto_alloc_shash(krb5->cksum_name, 0, 0); + if (IS_ERR(ci)) { + ret = PTR_ERR(ci); + if (ret == -ENOENT) + ret = -ENOPKG; + goto err; + } + + ret = crypto_shash_setkey(ci, Kc->data, Kc->len); + if (ret < 0) { + pr_err("Couldn't set shash key %s: %d\n", krb5->cksum_name, ret); + goto err_ci; + } + + return ci; +err_ci: + crypto_free_shash(ci); +err: + return ERR_PTR(ret); +} + +/** + * crypto_krb5_prepare_checksum - Prepare AEAD crypto object for checksum-mode + * @krb5: The encoding to use. + * @TK: The transport key to use. + * @usage: The usage constant for key derivation. + * @gfp: Allocation flags. + * + * Allocate a crypto object that does all the necessary crypto, key it and set + * its parameters and return the crypto handle to it. This can then be used to + * dispatch get_mic and verify_mic operations. + */ +struct crypto_shash *crypto_krb5_prepare_checksum(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + u32 usage, gfp_t gfp) +{ + struct crypto_shash *ci = NULL; + struct krb5_buffer keys = {}; + int ret; + + ret = krb5->profile->derive_checksum_key(krb5, TK, usage, &keys, gfp); + if (ret < 0) { + pr_err("get_Kc failed %d\n", ret); + goto err; + } + + ci = krb5_prepare_checksum(krb5, &keys, gfp); + if (IS_ERR(ci)) { + ret = PTR_ERR(ci); + goto err; + } + + kfree(keys.data); + return ci; +err: + kfree(keys.data); + return ERR_PTR(ret); +} +EXPORT_SYMBOL(crypto_krb5_prepare_checksum); + +/** + * crypto_krb5_encrypt - Apply Kerberos encryption and integrity. + * @krb5: The encoding to use. + * @aead: The keyed crypto object to use. + * @sg: Scatterlist defining the crypto buffer. + * @nr_sg: The number of elements in @sg. + * @sg_len: The size of the buffer. + * @data_offset: The offset of the data in the @sg buffer. + * @data_len: The length of the data. + * @preconfounded: True if the confounder is already inserted. + * + * Using the specified Kerberos encoding, insert a confounder and padding as + * needed, encrypt this and the data in place and insert an integrity checksum + * into the buffer. + * + * The buffer must include space for the confounder, the checksum and any + * padding required. The caller can preinsert the confounder into the buffer + * (for testing, for example). + * + * The resulting secured blob may be less than the size of the buffer. + * + * Returns the size of the secure blob if successful, -ENOMEM on an allocation + * failure, -EFAULT if there is insufficient space, -EMSGSIZE if the confounder + * is too short or the data is misaligned. Other errors may also be returned + * from the crypto layer. + */ +ssize_t crypto_krb5_encrypt(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, + size_t sg_len, + size_t data_offset, size_t data_len, + bool preconfounded) +{ + if (WARN_ON(data_offset > sg_len || + data_len > sg_len || + data_offset > sg_len - data_len)) + return -EMSGSIZE; + return krb5->profile->encrypt(krb5, aead, sg, nr_sg, sg_len, + data_offset, data_len, preconfounded); +} +EXPORT_SYMBOL(crypto_krb5_encrypt); + +/** + * crypto_krb5_decrypt - Validate and remove Kerberos encryption and integrity. + * @krb5: The encoding to use. + * @aead: The keyed crypto object to use. + * @sg: Scatterlist defining the crypto buffer. + * @nr_sg: The number of elements in @sg. + * @_offset: Offset of the secure blob in the buffer; updated to data offset. + * @_len: The length of the secure blob; updated to data length. + * + * Using the specified Kerberos encoding, check and remove the integrity + * checksum and decrypt the secure region, stripping off the confounder. + * + * If successful, @_offset and @_len are updated to outline the region in which + * the data plus the trailing padding are stored. The caller is responsible + * for working out how much padding there is and removing it. + * + * Returns the 0 if successful, -ENOMEM on an allocation failure; sets + * *_error_code and returns -EPROTO if the data cannot be parsed, or -EBADMSG + * if the integrity checksum doesn't match). Other errors may also be returned + * from the crypto layer. + */ +int crypto_krb5_decrypt(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len) +{ + return krb5->profile->decrypt(krb5, aead, sg, nr_sg, _offset, _len); +} +EXPORT_SYMBOL(crypto_krb5_decrypt); + +/** + * crypto_krb5_get_mic - Apply Kerberos integrity checksum. + * @krb5: The encoding to use. + * @shash: The keyed hash to use. + * @metadata: Metadata to add into the hash before adding the data. + * @sg: Scatterlist defining the crypto buffer. + * @nr_sg: The number of elements in @sg. + * @sg_len: The size of the buffer. + * @data_offset: The offset of the data in the @sg buffer. + * @data_len: The length of the data. + * + * Using the specified Kerberos encoding, calculate and insert an integrity + * checksum into the buffer. + * + * The buffer must include space for the checksum at the front. + * + * Returns the size of the secure blob if successful, -ENOMEM on an allocation + * failure, -EFAULT if there is insufficient space, -EMSGSIZE if the gap for + * the checksum is too short. Other errors may also be returned from the + * crypto layer. + */ +ssize_t crypto_krb5_get_mic(const struct krb5_enctype *krb5, + struct crypto_shash *shash, + const struct krb5_buffer *metadata, + struct scatterlist *sg, unsigned int nr_sg, + size_t sg_len, + size_t data_offset, size_t data_len) +{ + if (WARN_ON(data_offset > sg_len || + data_len > sg_len || + data_offset > sg_len - data_len)) + return -EMSGSIZE; + return krb5->profile->get_mic(krb5, shash, metadata, sg, nr_sg, sg_len, + data_offset, data_len); +} +EXPORT_SYMBOL(crypto_krb5_get_mic); + +/** + * crypto_krb5_verify_mic - Validate and remove Kerberos integrity checksum. + * @krb5: The encoding to use. + * @shash: The keyed hash to use. + * @metadata: Metadata to add into the hash before adding the data. + * @sg: Scatterlist defining the crypto buffer. + * @nr_sg: The number of elements in @sg. + * @_offset: Offset of the secure blob in the buffer; updated to data offset. + * @_len: The length of the secure blob; updated to data length. + * + * Using the specified Kerberos encoding, check and remove the integrity + * checksum. + * + * If successful, @_offset and @_len are updated to outline the region in which + * the data is stored. + * + * Returns the 0 if successful, -ENOMEM on an allocation failure; sets + * *_error_code and returns -EPROTO if the data cannot be parsed, or -EBADMSG + * if the checksum doesn't match). Other errors may also be returned from the + * crypto layer. + */ +int crypto_krb5_verify_mic(const struct krb5_enctype *krb5, + struct crypto_shash *shash, + const struct krb5_buffer *metadata, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len) +{ + return krb5->profile->verify_mic(krb5, shash, metadata, sg, nr_sg, + _offset, _len); +} +EXPORT_SYMBOL(crypto_krb5_verify_mic); + +static int __init crypto_krb5_init(void) +{ + return krb5_selftest(); +} +module_init(crypto_krb5_init); + +static void __exit crypto_krb5_exit(void) +{ +} +module_exit(crypto_krb5_exit); diff --git a/crypto/krb5/krb5_kdf.c b/crypto/krb5/krb5_kdf.c new file mode 100644 index 000000000000..6699e5469d1b --- /dev/null +++ b/crypto/krb5/krb5_kdf.c @@ -0,0 +1,145 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Kerberos key derivation. + * + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/export.h> +#include <linux/slab.h> +#include <crypto/skcipher.h> +#include <crypto/hash.h> +#include "internal.h" + +/** + * crypto_krb5_calc_PRFplus - Calculate PRF+ [RFC4402] + * @krb5: The encryption type to use + * @K: The protocol key for the pseudo-random function + * @L: The length of the output + * @S: The input octet string + * @result: Result buffer, sized to krb5->prf_len + * @gfp: Allocation restrictions + * + * Calculate the kerberos pseudo-random function, PRF+() by the following + * method: + * + * PRF+(K, L, S) = truncate(L, T1 || T2 || .. || Tn) + * Tn = PRF(K, n || S) + * [rfc4402 sec 2] + */ +int crypto_krb5_calc_PRFplus(const struct krb5_enctype *krb5, + const struct krb5_buffer *K, + unsigned int L, + const struct krb5_buffer *S, + struct krb5_buffer *result, + gfp_t gfp) +{ + struct krb5_buffer T_series, Tn, n_S; + void *buffer; + int ret, n = 1; + + Tn.len = krb5->prf_len; + T_series.len = 0; + n_S.len = 4 + S->len; + + buffer = kzalloc(round16(L + Tn.len) + round16(n_S.len), gfp); + if (!buffer) + return -ENOMEM; + + T_series.data = buffer; + n_S.data = buffer + round16(L + Tn.len); + memcpy(n_S.data + 4, S->data, S->len); + + while (T_series.len < L) { + *(__be32 *)(n_S.data) = htonl(n); + Tn.data = T_series.data + Tn.len * (n - 1); + ret = krb5->profile->calc_PRF(krb5, K, &n_S, &Tn, gfp); + if (ret < 0) + goto err; + T_series.len += Tn.len; + n++; + } + + /* Truncate to L */ + memcpy(result->data, T_series.data, L); + ret = 0; + +err: + kfree_sensitive(buffer); + return ret; +} +EXPORT_SYMBOL(crypto_krb5_calc_PRFplus); + +/** + * krb5_derive_Kc - Derive key Kc and install into a hash + * @krb5: The encryption type to use + * @TK: The base key + * @usage: The key usage number + * @key: Prepped buffer to store the key into + * @gfp: Allocation restrictions + * + * Derive the Kerberos Kc checksumming key. The key is stored into the + * prepared buffer. + */ +int krb5_derive_Kc(const struct krb5_enctype *krb5, const struct krb5_buffer *TK, + u32 usage, struct krb5_buffer *key, gfp_t gfp) +{ + u8 buf[5] __aligned(CRYPTO_MINALIGN); + struct krb5_buffer usage_constant = { .len = 5, .data = buf }; + + *(__be32 *)buf = cpu_to_be32(usage); + buf[4] = KEY_USAGE_SEED_CHECKSUM; + + key->len = krb5->Kc_len; + return krb5->profile->calc_Kc(krb5, TK, &usage_constant, key, gfp); +} + +/** + * krb5_derive_Ke - Derive key Ke and install into an skcipher + * @krb5: The encryption type to use + * @TK: The base key + * @usage: The key usage number + * @key: Prepped buffer to store the key into + * @gfp: Allocation restrictions + * + * Derive the Kerberos Ke encryption key. The key is stored into the prepared + * buffer. + */ +int krb5_derive_Ke(const struct krb5_enctype *krb5, const struct krb5_buffer *TK, + u32 usage, struct krb5_buffer *key, gfp_t gfp) +{ + u8 buf[5] __aligned(CRYPTO_MINALIGN); + struct krb5_buffer usage_constant = { .len = 5, .data = buf }; + + *(__be32 *)buf = cpu_to_be32(usage); + buf[4] = KEY_USAGE_SEED_ENCRYPTION; + + key->len = krb5->Ke_len; + return krb5->profile->calc_Ke(krb5, TK, &usage_constant, key, gfp); +} + +/** + * krb5_derive_Ki - Derive key Ki and install into a hash + * @krb5: The encryption type to use + * @TK: The base key + * @usage: The key usage number + * @key: Prepped buffer to store the key into + * @gfp: Allocation restrictions + * + * Derive the Kerberos Ki integrity checksum key. The key is stored into the + * prepared buffer. + */ +int krb5_derive_Ki(const struct krb5_enctype *krb5, const struct krb5_buffer *TK, + u32 usage, struct krb5_buffer *key, gfp_t gfp) +{ + u8 buf[5] __aligned(CRYPTO_MINALIGN); + struct krb5_buffer usage_constant = { .len = 5, .data = buf }; + + *(__be32 *)buf = cpu_to_be32(usage); + buf[4] = KEY_USAGE_SEED_INTEGRITY; + + key->len = krb5->Ki_len; + return krb5->profile->calc_Ki(krb5, TK, &usage_constant, key, gfp); +} diff --git a/crypto/krb5/rfc3961_simplified.c b/crypto/krb5/rfc3961_simplified.c new file mode 100644 index 000000000000..e49cbdec7c40 --- /dev/null +++ b/crypto/krb5/rfc3961_simplified.c @@ -0,0 +1,793 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* rfc3961 Kerberos 5 simplified crypto profile. + * + * Parts borrowed from net/sunrpc/auth_gss/. + */ +/* + * COPYRIGHT (c) 2008 + * The Regents of the University of Michigan + * ALL RIGHTS RESERVED + * + * Permission is granted to use, copy, create derivative works + * and redistribute this software and such derivative works + * for any purpose, so long as the name of The University of + * Michigan is not used in any advertising or publicity + * pertaining to the use of distribution of this software + * without specific, written prior authorization. If the + * above copyright notice or any other identification of the + * University of Michigan is included in any copy of any + * portion of this software, then the disclaimer below must + * also be included. + * + * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION + * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY + * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF + * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING + * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE + * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE + * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING + * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN + * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGES. + */ + +/* + * Copyright (C) 1998 by the FundsXpress, INC. + * + * All rights reserved. + * + * Export of this software from the United States of America may require + * a specific license from the United States Government. It is the + * responsibility of any person or organization contemplating export to + * obtain such a license before exporting. + * + * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and + * distribute this software and its documentation for any purpose and + * without fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright notice and + * this permission notice appear in supporting documentation, and that + * the name of FundsXpress. not be used in advertising or publicity pertaining + * to distribution of the software without specific, written prior + * permission. FundsXpress makes no representations about the suitability of + * this software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/random.h> +#include <linux/scatterlist.h> +#include <linux/skbuff.h> +#include <linux/slab.h> +#include <linux/lcm.h> +#include <linux/rtnetlink.h> +#include <crypto/authenc.h> +#include <crypto/skcipher.h> +#include <crypto/hash.h> +#include "internal.h" + +/* Maximum blocksize for the supported crypto algorithms */ +#define KRB5_MAX_BLOCKSIZE (16) + +int crypto_shash_update_sg(struct shash_desc *desc, struct scatterlist *sg, + size_t offset, size_t len) +{ + struct sg_mapping_iter miter; + size_t i, n; + int ret = 0; + + sg_miter_start(&miter, sg, sg_nents(sg), + SG_MITER_FROM_SG | SG_MITER_LOCAL); + sg_miter_skip(&miter, offset); + for (i = 0; i < len; i += n) { + sg_miter_next(&miter); + n = min(miter.length, len - i); + ret = crypto_shash_update(desc, miter.addr, n); + if (ret < 0) + break; + } + sg_miter_stop(&miter); + return ret; +} + +static int rfc3961_do_encrypt(struct crypto_sync_skcipher *tfm, void *iv, + const struct krb5_buffer *in, struct krb5_buffer *out) +{ + struct scatterlist sg[1]; + u8 local_iv[KRB5_MAX_BLOCKSIZE] __aligned(KRB5_MAX_BLOCKSIZE) = {0}; + SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm); + int ret; + + if (WARN_ON(in->len != out->len)) + return -EINVAL; + if (out->len % crypto_sync_skcipher_blocksize(tfm) != 0) + return -EINVAL; + + if (crypto_sync_skcipher_ivsize(tfm) > KRB5_MAX_BLOCKSIZE) + return -EINVAL; + + if (iv) + memcpy(local_iv, iv, crypto_sync_skcipher_ivsize(tfm)); + + memcpy(out->data, in->data, out->len); + sg_init_one(sg, out->data, out->len); + + skcipher_request_set_sync_tfm(req, tfm); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, sg, sg, out->len, local_iv); + + ret = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + return ret; +} + +/* + * Calculate an unkeyed basic hash. + */ +static int rfc3961_calc_H(const struct krb5_enctype *krb5, + const struct krb5_buffer *data, + struct krb5_buffer *digest, + gfp_t gfp) +{ + struct crypto_shash *tfm; + struct shash_desc *desc; + size_t desc_size; + int ret = -ENOMEM; + + tfm = crypto_alloc_shash(krb5->hash_name, 0, 0); + if (IS_ERR(tfm)) + return (PTR_ERR(tfm) == -ENOENT) ? -ENOPKG : PTR_ERR(tfm); + + desc_size = crypto_shash_descsize(tfm) + sizeof(*desc); + + desc = kzalloc(desc_size, gfp); + if (!desc) + goto error_tfm; + + digest->len = crypto_shash_digestsize(tfm); + digest->data = kzalloc(digest->len, gfp); + if (!digest->data) + goto error_desc; + + desc->tfm = tfm; + ret = crypto_shash_init(desc); + if (ret < 0) + goto error_digest; + + ret = crypto_shash_finup(desc, data->data, data->len, digest->data); + if (ret < 0) + goto error_digest; + + goto error_desc; + +error_digest: + kfree_sensitive(digest->data); +error_desc: + kfree_sensitive(desc); +error_tfm: + crypto_free_shash(tfm); + return ret; +} + +/* + * This is the n-fold function as described in rfc3961, sec 5.1 + * Taken from MIT Kerberos and modified. + */ +static void rfc3961_nfold(const struct krb5_buffer *source, struct krb5_buffer *result) +{ + const u8 *in = source->data; + u8 *out = result->data; + unsigned long ulcm; + unsigned int inbits, outbits; + int byte, i, msbit; + + /* the code below is more readable if I make these bytes instead of bits */ + inbits = source->len; + outbits = result->len; + + /* first compute lcm(n,k) */ + ulcm = lcm(inbits, outbits); + + /* now do the real work */ + memset(out, 0, outbits); + byte = 0; + + /* this will end up cycling through k lcm(k,n)/k times, which + * is correct. + */ + for (i = ulcm-1; i >= 0; i--) { + /* compute the msbit in k which gets added into this byte */ + msbit = ( + /* first, start with the msbit in the first, + * unrotated byte + */ + ((inbits << 3) - 1) + + /* then, for each byte, shift to the right + * for each repetition + */ + (((inbits << 3) + 13) * (i/inbits)) + + /* last, pick out the correct byte within + * that shifted repetition + */ + ((inbits - (i % inbits)) << 3) + ) % (inbits << 3); + + /* pull out the byte value itself */ + byte += (((in[((inbits - 1) - (msbit >> 3)) % inbits] << 8) | + (in[((inbits) - (msbit >> 3)) % inbits])) + >> ((msbit & 7) + 1)) & 0xff; + + /* do the addition */ + byte += out[i % outbits]; + out[i % outbits] = byte & 0xff; + + /* keep around the carry bit, if any */ + byte >>= 8; + } + + /* if there's a carry bit left over, add it back in */ + if (byte) { + for (i = outbits - 1; i >= 0; i--) { + /* do the addition */ + byte += out[i]; + out[i] = byte & 0xff; + + /* keep around the carry bit, if any */ + byte >>= 8; + } + } +} + +/* + * Calculate a derived key, DK(Base Key, Well-Known Constant) + * + * DK(Key, Constant) = random-to-key(DR(Key, Constant)) + * DR(Key, Constant) = k-truncate(E(Key, Constant, initial-cipher-state)) + * K1 = E(Key, n-fold(Constant), initial-cipher-state) + * K2 = E(Key, K1, initial-cipher-state) + * K3 = E(Key, K2, initial-cipher-state) + * K4 = ... + * DR(Key, Constant) = k-truncate(K1 | K2 | K3 | K4 ...) + * [rfc3961 sec 5.1] + */ +static int rfc3961_calc_DK(const struct krb5_enctype *krb5, + const struct krb5_buffer *inkey, + const struct krb5_buffer *in_constant, + struct krb5_buffer *result, + gfp_t gfp) +{ + unsigned int blocksize, keybytes, keylength, n; + struct krb5_buffer inblock, outblock, rawkey; + struct crypto_sync_skcipher *cipher; + int ret = -EINVAL; + + blocksize = krb5->block_len; + keybytes = krb5->key_bytes; + keylength = krb5->key_len; + + if (inkey->len != keylength || result->len != keylength) + return -EINVAL; + if (!krb5->random_to_key && result->len != keybytes) + return -EINVAL; + + cipher = crypto_alloc_sync_skcipher(krb5->derivation_enc, 0, 0); + if (IS_ERR(cipher)) { + ret = (PTR_ERR(cipher) == -ENOENT) ? -ENOPKG : PTR_ERR(cipher); + goto err_return; + } + ret = crypto_sync_skcipher_setkey(cipher, inkey->data, inkey->len); + if (ret < 0) + goto err_free_cipher; + + ret = -ENOMEM; + inblock.data = kzalloc(blocksize * 2 + keybytes, gfp); + if (!inblock.data) + goto err_free_cipher; + + inblock.len = blocksize; + outblock.data = inblock.data + blocksize; + outblock.len = blocksize; + rawkey.data = outblock.data + blocksize; + rawkey.len = keybytes; + + /* initialize the input block */ + + if (in_constant->len == inblock.len) + memcpy(inblock.data, in_constant->data, inblock.len); + else + rfc3961_nfold(in_constant, &inblock); + + /* loop encrypting the blocks until enough key bytes are generated */ + n = 0; + while (n < rawkey.len) { + rfc3961_do_encrypt(cipher, NULL, &inblock, &outblock); + + if (keybytes - n <= outblock.len) { + memcpy(rawkey.data + n, outblock.data, keybytes - n); + break; + } + + memcpy(rawkey.data + n, outblock.data, outblock.len); + memcpy(inblock.data, outblock.data, outblock.len); + n += outblock.len; + } + + /* postprocess the key */ + if (!krb5->random_to_key) { + /* Identity random-to-key function. */ + memcpy(result->data, rawkey.data, rawkey.len); + ret = 0; + } else { + ret = krb5->random_to_key(krb5, &rawkey, result); + } + + kfree_sensitive(inblock.data); +err_free_cipher: + crypto_free_sync_skcipher(cipher); +err_return: + return ret; +} + +/* + * Calculate single encryption, E() + * + * E(Key, octets) + */ +static int rfc3961_calc_E(const struct krb5_enctype *krb5, + const struct krb5_buffer *key, + const struct krb5_buffer *in_data, + struct krb5_buffer *result, + gfp_t gfp) +{ + struct crypto_sync_skcipher *cipher; + int ret; + + cipher = crypto_alloc_sync_skcipher(krb5->derivation_enc, 0, 0); + if (IS_ERR(cipher)) { + ret = (PTR_ERR(cipher) == -ENOENT) ? -ENOPKG : PTR_ERR(cipher); + goto err; + } + + ret = crypto_sync_skcipher_setkey(cipher, key->data, key->len); + if (ret < 0) + goto err_free; + + ret = rfc3961_do_encrypt(cipher, NULL, in_data, result); + +err_free: + crypto_free_sync_skcipher(cipher); +err: + return ret; +} + +/* + * Calculate the pseudo-random function, PRF(). + * + * tmp1 = H(octet-string) + * tmp2 = truncate tmp1 to multiple of m + * PRF = E(DK(protocol-key, prfconstant), tmp2, initial-cipher-state) + * + * The "prfconstant" used in the PRF operation is the three-octet string + * "prf". + * [rfc3961 sec 5.3] + */ +static int rfc3961_calc_PRF(const struct krb5_enctype *krb5, + const struct krb5_buffer *protocol_key, + const struct krb5_buffer *octet_string, + struct krb5_buffer *result, + gfp_t gfp) +{ + static const struct krb5_buffer prfconstant = { 3, "prf" }; + struct krb5_buffer derived_key; + struct krb5_buffer tmp1, tmp2; + unsigned int m = krb5->block_len; + void *buffer; + int ret; + + if (result->len != krb5->prf_len) + return -EINVAL; + + tmp1.len = krb5->hash_len; + derived_key.len = krb5->key_bytes; + buffer = kzalloc(round16(tmp1.len) + round16(derived_key.len), gfp); + if (!buffer) + return -ENOMEM; + + tmp1.data = buffer; + derived_key.data = buffer + round16(tmp1.len); + + ret = rfc3961_calc_H(krb5, octet_string, &tmp1, gfp); + if (ret < 0) + goto err; + + tmp2.len = tmp1.len & ~(m - 1); + tmp2.data = tmp1.data; + + ret = rfc3961_calc_DK(krb5, protocol_key, &prfconstant, &derived_key, gfp); + if (ret < 0) + goto err; + + ret = rfc3961_calc_E(krb5, &derived_key, &tmp2, result, gfp); + +err: + kfree_sensitive(buffer); + return ret; +} + +/* + * Derive the Ke and Ki keys and package them into a key parameter that can be + * given to the setkey of a authenc AEAD crypto object. + */ +int authenc_derive_encrypt_keys(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + unsigned int usage, + struct krb5_buffer *setkey, + gfp_t gfp) +{ + struct crypto_authenc_key_param *param; + struct krb5_buffer Ke, Ki; + struct rtattr *rta; + int ret; + + Ke.len = krb5->Ke_len; + Ki.len = krb5->Ki_len; + setkey->len = RTA_LENGTH(sizeof(*param)) + Ke.len + Ki.len; + setkey->data = kzalloc(setkey->len, GFP_KERNEL); + if (!setkey->data) + return -ENOMEM; + + rta = setkey->data; + rta->rta_type = CRYPTO_AUTHENC_KEYA_PARAM; + rta->rta_len = RTA_LENGTH(sizeof(*param)); + param = RTA_DATA(rta); + param->enckeylen = htonl(Ke.len); + + Ki.data = (void *)(param + 1); + Ke.data = Ki.data + Ki.len; + + ret = krb5_derive_Ke(krb5, TK, usage, &Ke, gfp); + if (ret < 0) { + pr_err("get_Ke failed %d\n", ret); + return ret; + } + ret = krb5_derive_Ki(krb5, TK, usage, &Ki, gfp); + if (ret < 0) + pr_err("get_Ki failed %d\n", ret); + return ret; +} + +/* + * Package predefined Ke and Ki keys and into a key parameter that can be given + * to the setkey of an authenc AEAD crypto object. + */ +int authenc_load_encrypt_keys(const struct krb5_enctype *krb5, + const struct krb5_buffer *Ke, + const struct krb5_buffer *Ki, + struct krb5_buffer *setkey, + gfp_t gfp) +{ + struct crypto_authenc_key_param *param; + struct rtattr *rta; + + setkey->len = RTA_LENGTH(sizeof(*param)) + Ke->len + Ki->len; + setkey->data = kzalloc(setkey->len, GFP_KERNEL); + if (!setkey->data) + return -ENOMEM; + + rta = setkey->data; + rta->rta_type = CRYPTO_AUTHENC_KEYA_PARAM; + rta->rta_len = RTA_LENGTH(sizeof(*param)); + param = RTA_DATA(rta); + param->enckeylen = htonl(Ke->len); + memcpy((void *)(param + 1), Ki->data, Ki->len); + memcpy((void *)(param + 1) + Ki->len, Ke->data, Ke->len); + return 0; +} + +/* + * Derive the Kc key for checksum-only mode and package it into a key parameter + * that can be given to the setkey of a hash crypto object. + */ +int rfc3961_derive_checksum_key(const struct krb5_enctype *krb5, + const struct krb5_buffer *TK, + unsigned int usage, + struct krb5_buffer *setkey, + gfp_t gfp) +{ + int ret; + + setkey->len = krb5->Kc_len; + setkey->data = kzalloc(setkey->len, GFP_KERNEL); + if (!setkey->data) + return -ENOMEM; + + ret = krb5_derive_Kc(krb5, TK, usage, setkey, gfp); + if (ret < 0) + pr_err("get_Kc failed %d\n", ret); + return ret; +} + +/* + * Package a predefined Kc key for checksum-only mode into a key parameter that + * can be given to the setkey of a hash crypto object. + */ +int rfc3961_load_checksum_key(const struct krb5_enctype *krb5, + const struct krb5_buffer *Kc, + struct krb5_buffer *setkey, + gfp_t gfp) +{ + setkey->len = krb5->Kc_len; + setkey->data = kmemdup(Kc->data, Kc->len, GFP_KERNEL); + if (!setkey->data) + return -ENOMEM; + return 0; +} + +/* + * Apply encryption and checksumming functions to part of a scatterlist. + */ +ssize_t krb5_aead_encrypt(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, size_t sg_len, + size_t data_offset, size_t data_len, + bool preconfounded) +{ + struct aead_request *req; + ssize_t ret, done; + size_t bsize, base_len, secure_offset, secure_len, pad_len, cksum_offset; + void *buffer; + u8 *iv; + + if (WARN_ON(data_offset != krb5->conf_len)) + return -EINVAL; /* Data is in wrong place */ + + secure_offset = 0; + base_len = krb5->conf_len + data_len; + pad_len = 0; + secure_len = base_len + pad_len; + cksum_offset = secure_len; + if (WARN_ON(cksum_offset + krb5->cksum_len > sg_len)) + return -EFAULT; + + bsize = krb5_aead_size(aead) + + krb5_aead_ivsize(aead); + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + return -ENOMEM; + + /* Insert the confounder into the buffer */ + ret = -EFAULT; + if (!preconfounded) { + get_random_bytes(buffer, krb5->conf_len); + done = sg_pcopy_from_buffer(sg, nr_sg, buffer, krb5->conf_len, + secure_offset); + if (done != krb5->conf_len) + goto error; + } + + /* We may need to pad out to the crypto blocksize. */ + if (pad_len) { + done = sg_zero_buffer(sg, nr_sg, pad_len, data_offset + data_len); + if (done != pad_len) + goto error; + } + + /* Hash and encrypt the message. */ + req = buffer; + iv = buffer + krb5_aead_size(aead); + + aead_request_set_tfm(req, aead); + aead_request_set_callback(req, 0, NULL, NULL); + aead_request_set_crypt(req, sg, sg, secure_len, iv); + ret = crypto_aead_encrypt(req); + if (ret < 0) + goto error; + + ret = secure_len + krb5->cksum_len; + +error: + kfree_sensitive(buffer); + return ret; +} + +/* + * Apply decryption and checksumming functions to a message. The offset and + * length are updated to reflect the actual content of the encrypted region. + */ +int krb5_aead_decrypt(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len) +{ + struct aead_request *req; + size_t bsize; + void *buffer; + int ret; + u8 *iv; + + if (WARN_ON(*_offset != 0)) + return -EINVAL; /* Can't set offset on aead */ + + if (*_len < krb5->conf_len + krb5->cksum_len) + return -EPROTO; + + bsize = krb5_aead_size(aead) + + krb5_aead_ivsize(aead); + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + return -ENOMEM; + + /* Decrypt the message and verify its checksum. */ + req = buffer; + iv = buffer + krb5_aead_size(aead); + + aead_request_set_tfm(req, aead); + aead_request_set_callback(req, 0, NULL, NULL); + aead_request_set_crypt(req, sg, sg, *_len, iv); + ret = crypto_aead_decrypt(req); + if (ret < 0) + goto error; + + /* Adjust the boundaries of the data. */ + *_offset += krb5->conf_len; + *_len -= krb5->conf_len + krb5->cksum_len; + ret = 0; + +error: + kfree_sensitive(buffer); + return ret; +} + +/* + * Generate a checksum over some metadata and part of an skbuff and insert the + * MIC into the skbuff immediately prior to the data. + */ +ssize_t rfc3961_get_mic(const struct krb5_enctype *krb5, + struct crypto_shash *shash, + const struct krb5_buffer *metadata, + struct scatterlist *sg, unsigned int nr_sg, size_t sg_len, + size_t data_offset, size_t data_len) +{ + struct shash_desc *desc; + ssize_t ret, done; + size_t bsize; + void *buffer, *digest; + + if (WARN_ON(data_offset != krb5->cksum_len)) + return -EMSGSIZE; + + bsize = krb5_shash_size(shash) + + krb5_digest_size(shash); + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + return -ENOMEM; + + /* Calculate the MIC with key Kc and store it into the skb */ + desc = buffer; + desc->tfm = shash; + ret = crypto_shash_init(desc); + if (ret < 0) + goto error; + + if (metadata) { + ret = crypto_shash_update(desc, metadata->data, metadata->len); + if (ret < 0) + goto error; + } + + ret = crypto_shash_update_sg(desc, sg, data_offset, data_len); + if (ret < 0) + goto error; + + digest = buffer + krb5_shash_size(shash); + ret = crypto_shash_final(desc, digest); + if (ret < 0) + goto error; + + ret = -EFAULT; + done = sg_pcopy_from_buffer(sg, nr_sg, digest, krb5->cksum_len, + data_offset - krb5->cksum_len); + if (done != krb5->cksum_len) + goto error; + + ret = krb5->cksum_len + data_len; + +error: + kfree_sensitive(buffer); + return ret; +} + +/* + * Check the MIC on a region of an skbuff. The offset and length are updated + * to reflect the actual content of the secure region. + */ +int rfc3961_verify_mic(const struct krb5_enctype *krb5, + struct crypto_shash *shash, + const struct krb5_buffer *metadata, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len) +{ + struct shash_desc *desc; + ssize_t done; + size_t bsize, data_offset, data_len, offset = *_offset, len = *_len; + void *buffer = NULL; + int ret; + u8 *cksum, *cksum2; + + if (len < krb5->cksum_len) + return -EPROTO; + data_offset = offset + krb5->cksum_len; + data_len = len - krb5->cksum_len; + + bsize = krb5_shash_size(shash) + + krb5_digest_size(shash) * 2; + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + return -ENOMEM; + + cksum = buffer + + krb5_shash_size(shash); + cksum2 = buffer + + krb5_shash_size(shash) + + krb5_digest_size(shash); + + /* Calculate the MIC */ + desc = buffer; + desc->tfm = shash; + ret = crypto_shash_init(desc); + if (ret < 0) + goto error; + + if (metadata) { + ret = crypto_shash_update(desc, metadata->data, metadata->len); + if (ret < 0) + goto error; + } + + crypto_shash_update_sg(desc, sg, data_offset, data_len); + crypto_shash_final(desc, cksum); + + ret = -EFAULT; + done = sg_pcopy_to_buffer(sg, nr_sg, cksum2, krb5->cksum_len, offset); + if (done != krb5->cksum_len) + goto error; + + if (memcmp(cksum, cksum2, krb5->cksum_len) != 0) { + ret = -EBADMSG; + goto error; + } + + *_offset += krb5->cksum_len; + *_len -= krb5->cksum_len; + ret = 0; + +error: + kfree_sensitive(buffer); + return ret; +} + +const struct krb5_crypto_profile rfc3961_simplified_profile = { + .calc_PRF = rfc3961_calc_PRF, + .calc_Kc = rfc3961_calc_DK, + .calc_Ke = rfc3961_calc_DK, + .calc_Ki = rfc3961_calc_DK, + .derive_encrypt_keys = authenc_derive_encrypt_keys, + .load_encrypt_keys = authenc_load_encrypt_keys, + .derive_checksum_key = rfc3961_derive_checksum_key, + .load_checksum_key = rfc3961_load_checksum_key, + .encrypt = krb5_aead_encrypt, + .decrypt = krb5_aead_decrypt, + .get_mic = rfc3961_get_mic, + .verify_mic = rfc3961_verify_mic, +}; diff --git a/crypto/krb5/rfc3962_aes.c b/crypto/krb5/rfc3962_aes.c new file mode 100644 index 000000000000..5cbf8f4638b9 --- /dev/null +++ b/crypto/krb5/rfc3962_aes.c @@ -0,0 +1,115 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* rfc3962 Advanced Encryption Standard (AES) Encryption for Kerberos 5 + * + * Parts borrowed from net/sunrpc/auth_gss/. + */ +/* + * COPYRIGHT (c) 2008 + * The Regents of the University of Michigan + * ALL RIGHTS RESERVED + * + * Permission is granted to use, copy, create derivative works + * and redistribute this software and such derivative works + * for any purpose, so long as the name of The University of + * Michigan is not used in any advertising or publicity + * pertaining to the use of distribution of this software + * without specific, written prior authorization. If the + * above copyright notice or any other identification of the + * University of Michigan is included in any copy of any + * portion of this software, then the disclaimer below must + * also be included. + * + * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION + * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY + * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF + * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING + * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE + * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE + * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING + * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN + * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGES. + */ + +/* + * Copyright (C) 1998 by the FundsXpress, INC. + * + * All rights reserved. + * + * Export of this software from the United States of America may require + * a specific license from the United States Government. It is the + * responsibility of any person or organization contemplating export to + * obtain such a license before exporting. + * + * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and + * distribute this software and its documentation for any purpose and + * without fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright notice and + * this permission notice appear in supporting documentation, and that + * the name of FundsXpress. not be used in advertising or publicity pertaining + * to distribution of the software without specific, written prior + * permission. FundsXpress makes no representations about the suitability of + * this software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "internal.h" + +const struct krb5_enctype krb5_aes128_cts_hmac_sha1_96 = { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA1_96, + .ctype = KRB5_CKSUMTYPE_HMAC_SHA1_96_AES128, + .name = "aes128-cts-hmac-sha1-96", + .encrypt_name = "krb5enc(hmac(sha1),cts(cbc(aes)))", + .cksum_name = "hmac(sha1)", + .hash_name = "sha1", + .derivation_enc = "cts(cbc(aes))", + .key_bytes = 16, + .key_len = 16, + .Kc_len = 16, + .Ke_len = 16, + .Ki_len = 16, + .block_len = 16, + .conf_len = 16, + .cksum_len = 12, + .hash_len = 20, + .prf_len = 16, + .keyed_cksum = true, + .random_to_key = NULL, /* Identity */ + .profile = &rfc3961_simplified_profile, +}; + +const struct krb5_enctype krb5_aes256_cts_hmac_sha1_96 = { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA1_96, + .ctype = KRB5_CKSUMTYPE_HMAC_SHA1_96_AES256, + .name = "aes256-cts-hmac-sha1-96", + .encrypt_name = "krb5enc(hmac(sha1),cts(cbc(aes)))", + .cksum_name = "hmac(sha1)", + .hash_name = "sha1", + .derivation_enc = "cts(cbc(aes))", + .key_bytes = 32, + .key_len = 32, + .Kc_len = 32, + .Ke_len = 32, + .Ki_len = 32, + .block_len = 16, + .conf_len = 16, + .cksum_len = 12, + .hash_len = 20, + .prf_len = 16, + .keyed_cksum = true, + .random_to_key = NULL, /* Identity */ + .profile = &rfc3961_simplified_profile, +}; diff --git a/crypto/krb5/rfc6803_camellia.c b/crypto/krb5/rfc6803_camellia.c new file mode 100644 index 000000000000..77cd4ce023f1 --- /dev/null +++ b/crypto/krb5/rfc6803_camellia.c @@ -0,0 +1,237 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* rfc6803 Camellia Encryption for Kerberos 5 + * + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/slab.h> +#include "internal.h" + +/* + * Calculate the key derivation function KDF-FEEDBACK_CMAC(key, constant) + * + * n = ceiling(k / 128) + * K(0) = zeros + * K(i) = CMAC(key, K(i-1) | i | constant | 0x00 | k) + * DR(key, constant) = k-truncate(K(1) | K(2) | ... | K(n)) + * KDF-FEEDBACK-CMAC(key, constant) = random-to-key(DR(key, constant)) + * + * [rfc6803 sec 3] + */ +static int rfc6803_calc_KDF_FEEDBACK_CMAC(const struct krb5_enctype *krb5, + const struct krb5_buffer *key, + const struct krb5_buffer *constant, + struct krb5_buffer *result, + gfp_t gfp) +{ + struct crypto_shash *shash; + struct krb5_buffer K, data; + struct shash_desc *desc; + __be32 tmp; + size_t bsize, offset, seg; + void *buffer; + u32 i = 0, k = result->len * 8; + u8 *p; + int ret = -ENOMEM; + + shash = crypto_alloc_shash(krb5->cksum_name, 0, 0); + if (IS_ERR(shash)) + return (PTR_ERR(shash) == -ENOENT) ? -ENOPKG : PTR_ERR(shash); + ret = crypto_shash_setkey(shash, key->data, key->len); + if (ret < 0) + goto error_shash; + + ret = -ENOMEM; + K.len = crypto_shash_digestsize(shash); + data.len = K.len + 4 + constant->len + 1 + 4; + bsize = krb5_shash_size(shash) + + krb5_digest_size(shash) + + crypto_roundup(K.len) + + crypto_roundup(data.len); + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + goto error_shash; + + desc = buffer; + desc->tfm = shash; + + K.data = buffer + + krb5_shash_size(shash) + + krb5_digest_size(shash); + data.data = buffer + + krb5_shash_size(shash) + + krb5_digest_size(shash) + + crypto_roundup(K.len); + + p = data.data + K.len + 4; + memcpy(p, constant->data, constant->len); + p += constant->len; + *p++ = 0x00; + tmp = htonl(k); + memcpy(p, &tmp, 4); + p += 4; + + ret = -EINVAL; + if (WARN_ON(p - (u8 *)data.data != data.len)) + goto error; + + offset = 0; + do { + i++; + p = data.data; + memcpy(p, K.data, K.len); + p += K.len; + *(__be32 *)p = htonl(i); + + ret = crypto_shash_init(desc); + if (ret < 0) + goto error; + ret = crypto_shash_finup(desc, data.data, data.len, K.data); + if (ret < 0) + goto error; + + seg = min_t(size_t, result->len - offset, K.len); + memcpy(result->data + offset, K.data, seg); + offset += seg; + } while (offset < result->len); + +error: + kfree_sensitive(buffer); +error_shash: + crypto_free_shash(shash); + return ret; +} + +/* + * Calculate the pseudo-random function, PRF(). + * + * Kp = KDF-FEEDBACK-CMAC(protocol-key, "prf") + * PRF = CMAC(Kp, octet-string) + * [rfc6803 sec 6] + */ +static int rfc6803_calc_PRF(const struct krb5_enctype *krb5, + const struct krb5_buffer *protocol_key, + const struct krb5_buffer *octet_string, + struct krb5_buffer *result, + gfp_t gfp) +{ + static const struct krb5_buffer prfconstant = { 3, "prf" }; + struct crypto_shash *shash; + struct krb5_buffer Kp; + struct shash_desc *desc; + size_t bsize; + void *buffer; + int ret; + + Kp.len = krb5->prf_len; + + shash = crypto_alloc_shash(krb5->cksum_name, 0, 0); + if (IS_ERR(shash)) + return (PTR_ERR(shash) == -ENOENT) ? -ENOPKG : PTR_ERR(shash); + + ret = -EINVAL; + if (result->len != crypto_shash_digestsize(shash)) + goto out_shash; + + ret = -ENOMEM; + bsize = krb5_shash_size(shash) + + krb5_digest_size(shash) + + crypto_roundup(Kp.len); + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + goto out_shash; + + Kp.data = buffer + + krb5_shash_size(shash) + + krb5_digest_size(shash); + + ret = rfc6803_calc_KDF_FEEDBACK_CMAC(krb5, protocol_key, &prfconstant, + &Kp, gfp); + if (ret < 0) + goto out; + + ret = crypto_shash_setkey(shash, Kp.data, Kp.len); + if (ret < 0) + goto out; + + desc = buffer; + desc->tfm = shash; + ret = crypto_shash_init(desc); + if (ret < 0) + goto out; + + ret = crypto_shash_finup(desc, octet_string->data, octet_string->len, result->data); + if (ret < 0) + goto out; + +out: + kfree_sensitive(buffer); +out_shash: + crypto_free_shash(shash); + return ret; +} + + +static const struct krb5_crypto_profile rfc6803_crypto_profile = { + .calc_PRF = rfc6803_calc_PRF, + .calc_Kc = rfc6803_calc_KDF_FEEDBACK_CMAC, + .calc_Ke = rfc6803_calc_KDF_FEEDBACK_CMAC, + .calc_Ki = rfc6803_calc_KDF_FEEDBACK_CMAC, + .derive_encrypt_keys = authenc_derive_encrypt_keys, + .load_encrypt_keys = authenc_load_encrypt_keys, + .derive_checksum_key = rfc3961_derive_checksum_key, + .load_checksum_key = rfc3961_load_checksum_key, + .encrypt = krb5_aead_encrypt, + .decrypt = krb5_aead_decrypt, + .get_mic = rfc3961_get_mic, + .verify_mic = rfc3961_verify_mic, +}; + +const struct krb5_enctype krb5_camellia128_cts_cmac = { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .ctype = KRB5_CKSUMTYPE_CMAC_CAMELLIA128, + .name = "camellia128-cts-cmac", + .encrypt_name = "krb5enc(cmac(camellia),cts(cbc(camellia)))", + .cksum_name = "cmac(camellia)", + .hash_name = NULL, + .derivation_enc = "cts(cbc(camellia))", + .key_bytes = 16, + .key_len = 16, + .Kc_len = 16, + .Ke_len = 16, + .Ki_len = 16, + .block_len = 16, + .conf_len = 16, + .cksum_len = 16, + .hash_len = 16, + .prf_len = 16, + .keyed_cksum = true, + .random_to_key = NULL, /* Identity */ + .profile = &rfc6803_crypto_profile, +}; + +const struct krb5_enctype krb5_camellia256_cts_cmac = { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .ctype = KRB5_CKSUMTYPE_CMAC_CAMELLIA256, + .name = "camellia256-cts-cmac", + .encrypt_name = "krb5enc(cmac(camellia),cts(cbc(camellia)))", + .cksum_name = "cmac(camellia)", + .hash_name = NULL, + .derivation_enc = "cts(cbc(camellia))", + .key_bytes = 32, + .key_len = 32, + .Kc_len = 32, + .Ke_len = 32, + .Ki_len = 32, + .block_len = 16, + .conf_len = 16, + .cksum_len = 16, + .hash_len = 16, + .prf_len = 16, + .keyed_cksum = true, + .random_to_key = NULL, /* Identity */ + .profile = &rfc6803_crypto_profile, +}; diff --git a/crypto/krb5/rfc8009_aes2.c b/crypto/krb5/rfc8009_aes2.c new file mode 100644 index 000000000000..d39851fc3a4e --- /dev/null +++ b/crypto/krb5/rfc8009_aes2.c @@ -0,0 +1,362 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* rfc8009 AES Encryption with HMAC-SHA2 for Kerberos 5 + * + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/slab.h> +#include <crypto/authenc.h> +#include "internal.h" + +static const struct krb5_buffer rfc8009_no_context = { .len = 0, .data = "" }; + +/* + * Calculate the key derivation function KDF-HMAC-SHA2(key, label, [context,] k) + * + * KDF-HMAC-SHA2(key, label, [context,] k) = k-truncate(K1) + * + * Using the appropriate one of: + * K1 = HMAC-SHA-256(key, 0x00000001 | label | 0x00 | k) + * K1 = HMAC-SHA-384(key, 0x00000001 | label | 0x00 | k) + * K1 = HMAC-SHA-256(key, 0x00000001 | label | 0x00 | context | k) + * K1 = HMAC-SHA-384(key, 0x00000001 | label | 0x00 | context | k) + * [rfc8009 sec 3] + */ +static int rfc8009_calc_KDF_HMAC_SHA2(const struct krb5_enctype *krb5, + const struct krb5_buffer *key, + const struct krb5_buffer *label, + const struct krb5_buffer *context, + unsigned int k, + struct krb5_buffer *result, + gfp_t gfp) +{ + struct crypto_shash *shash; + struct krb5_buffer K1, data; + struct shash_desc *desc; + __be32 tmp; + size_t bsize; + void *buffer; + u8 *p; + int ret = -ENOMEM; + + if (WARN_ON(result->len != k / 8)) + return -EINVAL; + + shash = crypto_alloc_shash(krb5->cksum_name, 0, 0); + if (IS_ERR(shash)) + return (PTR_ERR(shash) == -ENOENT) ? -ENOPKG : PTR_ERR(shash); + ret = crypto_shash_setkey(shash, key->data, key->len); + if (ret < 0) + goto error_shash; + + ret = -EINVAL; + if (WARN_ON(crypto_shash_digestsize(shash) * 8 < k)) + goto error_shash; + + ret = -ENOMEM; + data.len = 4 + label->len + 1 + context->len + 4; + bsize = krb5_shash_size(shash) + + krb5_digest_size(shash) + + crypto_roundup(data.len); + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + goto error_shash; + + desc = buffer; + desc->tfm = shash; + ret = crypto_shash_init(desc); + if (ret < 0) + goto error; + + p = data.data = buffer + + krb5_shash_size(shash) + + krb5_digest_size(shash); + *(__be32 *)p = htonl(0x00000001); + p += 4; + memcpy(p, label->data, label->len); + p += label->len; + *p++ = 0; + memcpy(p, context->data, context->len); + p += context->len; + tmp = htonl(k); + memcpy(p, &tmp, 4); + p += 4; + + ret = -EINVAL; + if (WARN_ON(p - (u8 *)data.data != data.len)) + goto error; + + K1.len = crypto_shash_digestsize(shash); + K1.data = buffer + + krb5_shash_size(shash); + + ret = crypto_shash_finup(desc, data.data, data.len, K1.data); + if (ret < 0) + goto error; + + memcpy(result->data, K1.data, result->len); + +error: + kfree_sensitive(buffer); +error_shash: + crypto_free_shash(shash); + return ret; +} + +/* + * Calculate the pseudo-random function, PRF(). + * + * PRF = KDF-HMAC-SHA2(input-key, "prf", octet-string, 256) + * PRF = KDF-HMAC-SHA2(input-key, "prf", octet-string, 384) + * + * The "prfconstant" used in the PRF operation is the three-octet string + * "prf". + * [rfc8009 sec 5] + */ +static int rfc8009_calc_PRF(const struct krb5_enctype *krb5, + const struct krb5_buffer *input_key, + const struct krb5_buffer *octet_string, + struct krb5_buffer *result, + gfp_t gfp) +{ + static const struct krb5_buffer prfconstant = { 3, "prf" }; + + return rfc8009_calc_KDF_HMAC_SHA2(krb5, input_key, &prfconstant, + octet_string, krb5->prf_len * 8, + result, gfp); +} + +/* + * Derive Ke. + * Ke = KDF-HMAC-SHA2(base-key, usage | 0xAA, 128) + * Ke = KDF-HMAC-SHA2(base-key, usage | 0xAA, 256) + * [rfc8009 sec 5] + */ +static int rfc8009_calc_Ke(const struct krb5_enctype *krb5, + const struct krb5_buffer *base_key, + const struct krb5_buffer *usage_constant, + struct krb5_buffer *result, + gfp_t gfp) +{ + return rfc8009_calc_KDF_HMAC_SHA2(krb5, base_key, usage_constant, + &rfc8009_no_context, krb5->key_bytes * 8, + result, gfp); +} + +/* + * Derive Kc/Ki + * Kc = KDF-HMAC-SHA2(base-key, usage | 0x99, 128) + * Ki = KDF-HMAC-SHA2(base-key, usage | 0x55, 128) + * Kc = KDF-HMAC-SHA2(base-key, usage | 0x99, 192) + * Ki = KDF-HMAC-SHA2(base-key, usage | 0x55, 192) + * [rfc8009 sec 5] + */ +static int rfc8009_calc_Ki(const struct krb5_enctype *krb5, + const struct krb5_buffer *base_key, + const struct krb5_buffer *usage_constant, + struct krb5_buffer *result, + gfp_t gfp) +{ + return rfc8009_calc_KDF_HMAC_SHA2(krb5, base_key, usage_constant, + &rfc8009_no_context, krb5->cksum_len * 8, + result, gfp); +} + +/* + * Apply encryption and checksumming functions to a message. Unlike for + * RFC3961, for RFC8009, we have to chuck the starting IV into the hash first. + */ +static ssize_t rfc8009_encrypt(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, size_t sg_len, + size_t data_offset, size_t data_len, + bool preconfounded) +{ + struct aead_request *req; + struct scatterlist bsg[2]; + ssize_t ret, done; + size_t bsize, base_len, secure_offset, secure_len, pad_len, cksum_offset; + void *buffer; + u8 *iv, *ad; + + if (WARN_ON(data_offset != krb5->conf_len)) + return -EINVAL; /* Data is in wrong place */ + + secure_offset = 0; + base_len = krb5->conf_len + data_len; + pad_len = 0; + secure_len = base_len + pad_len; + cksum_offset = secure_len; + if (WARN_ON(cksum_offset + krb5->cksum_len > sg_len)) + return -EFAULT; + + bsize = krb5_aead_size(aead) + + krb5_aead_ivsize(aead) * 2; + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + return -ENOMEM; + + req = buffer; + iv = buffer + krb5_aead_size(aead); + ad = buffer + krb5_aead_size(aead) + krb5_aead_ivsize(aead); + + /* Insert the confounder into the buffer */ + ret = -EFAULT; + if (!preconfounded) { + get_random_bytes(buffer, krb5->conf_len); + done = sg_pcopy_from_buffer(sg, nr_sg, buffer, krb5->conf_len, + secure_offset); + if (done != krb5->conf_len) + goto error; + } + + /* We may need to pad out to the crypto blocksize. */ + if (pad_len) { + done = sg_zero_buffer(sg, nr_sg, pad_len, data_offset + data_len); + if (done != pad_len) + goto error; + } + + /* We need to include the starting IV in the hash. */ + sg_init_table(bsg, 2); + sg_set_buf(&bsg[0], ad, krb5_aead_ivsize(aead)); + sg_chain(bsg, 2, sg); + + /* Hash and encrypt the message. */ + aead_request_set_tfm(req, aead); + aead_request_set_callback(req, 0, NULL, NULL); + aead_request_set_ad(req, krb5_aead_ivsize(aead)); + aead_request_set_crypt(req, bsg, bsg, secure_len, iv); + ret = crypto_aead_encrypt(req); + if (ret < 0) + goto error; + + ret = secure_len + krb5->cksum_len; + +error: + kfree_sensitive(buffer); + return ret; +} + +/* + * Apply decryption and checksumming functions to a message. Unlike for + * RFC3961, for RFC8009, we have to chuck the starting IV into the hash first. + * + * The offset and length are updated to reflect the actual content of the + * encrypted region. + */ +static int rfc8009_decrypt(const struct krb5_enctype *krb5, + struct crypto_aead *aead, + struct scatterlist *sg, unsigned int nr_sg, + size_t *_offset, size_t *_len) +{ + struct aead_request *req; + struct scatterlist bsg[2]; + size_t bsize; + void *buffer; + int ret; + u8 *iv, *ad; + + if (WARN_ON(*_offset != 0)) + return -EINVAL; /* Can't set offset on aead */ + + if (*_len < krb5->conf_len + krb5->cksum_len) + return -EPROTO; + + bsize = krb5_aead_size(aead) + + krb5_aead_ivsize(aead) * 2; + buffer = kzalloc(bsize, GFP_NOFS); + if (!buffer) + return -ENOMEM; + + req = buffer; + iv = buffer + krb5_aead_size(aead); + ad = buffer + krb5_aead_size(aead) + krb5_aead_ivsize(aead); + + /* We need to include the starting IV in the hash. */ + sg_init_table(bsg, 2); + sg_set_buf(&bsg[0], ad, krb5_aead_ivsize(aead)); + sg_chain(bsg, 2, sg); + + /* Decrypt the message and verify its checksum. */ + aead_request_set_tfm(req, aead); + aead_request_set_callback(req, 0, NULL, NULL); + aead_request_set_ad(req, krb5_aead_ivsize(aead)); + aead_request_set_crypt(req, bsg, bsg, *_len, iv); + ret = crypto_aead_decrypt(req); + if (ret < 0) + goto error; + + /* Adjust the boundaries of the data. */ + *_offset += krb5->conf_len; + *_len -= krb5->conf_len + krb5->cksum_len; + ret = 0; + +error: + kfree_sensitive(buffer); + return ret; +} + +static const struct krb5_crypto_profile rfc8009_crypto_profile = { + .calc_PRF = rfc8009_calc_PRF, + .calc_Kc = rfc8009_calc_Ki, + .calc_Ke = rfc8009_calc_Ke, + .calc_Ki = rfc8009_calc_Ki, + .derive_encrypt_keys = authenc_derive_encrypt_keys, + .load_encrypt_keys = authenc_load_encrypt_keys, + .derive_checksum_key = rfc3961_derive_checksum_key, + .load_checksum_key = rfc3961_load_checksum_key, + .encrypt = rfc8009_encrypt, + .decrypt = rfc8009_decrypt, + .get_mic = rfc3961_get_mic, + .verify_mic = rfc3961_verify_mic, +}; + +const struct krb5_enctype krb5_aes128_cts_hmac_sha256_128 = { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .ctype = KRB5_CKSUMTYPE_HMAC_SHA256_128_AES128, + .name = "aes128-cts-hmac-sha256-128", + .encrypt_name = "authenc(hmac(sha256),cts(cbc(aes)))", + .cksum_name = "hmac(sha256)", + .hash_name = "sha256", + .derivation_enc = "cts(cbc(aes))", + .key_bytes = 16, + .key_len = 16, + .Kc_len = 16, + .Ke_len = 16, + .Ki_len = 16, + .block_len = 16, + .conf_len = 16, + .cksum_len = 16, + .hash_len = 20, + .prf_len = 32, + .keyed_cksum = true, + .random_to_key = NULL, /* Identity */ + .profile = &rfc8009_crypto_profile, +}; + +const struct krb5_enctype krb5_aes256_cts_hmac_sha384_192 = { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .ctype = KRB5_CKSUMTYPE_HMAC_SHA384_192_AES256, + .name = "aes256-cts-hmac-sha384-192", + .encrypt_name = "authenc(hmac(sha384),cts(cbc(aes)))", + .cksum_name = "hmac(sha384)", + .hash_name = "sha384", + .derivation_enc = "cts(cbc(aes))", + .key_bytes = 32, + .key_len = 32, + .Kc_len = 24, + .Ke_len = 32, + .Ki_len = 24, + .block_len = 16, + .conf_len = 16, + .cksum_len = 24, + .hash_len = 20, + .prf_len = 48, + .keyed_cksum = true, + .random_to_key = NULL, /* Identity */ + .profile = &rfc8009_crypto_profile, +}; diff --git a/crypto/krb5/selftest.c b/crypto/krb5/selftest.c new file mode 100644 index 000000000000..4519c572d37e --- /dev/null +++ b/crypto/krb5/selftest.c @@ -0,0 +1,545 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Kerberos library self-testing + * + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/slab.h> +#include <crypto/skcipher.h> +#include <crypto/hash.h> +#include "internal.h" + +#define VALID(X) \ + ({ \ + bool __x = (X); \ + if (__x) { \ + pr_warn("!!! TESTINVAL %s:%u\n", __FILE__, __LINE__); \ + ret = -EBADMSG; \ + } \ + __x; \ + }) + +#define CHECK(X) \ + ({ \ + bool __x = (X); \ + if (__x) { \ + pr_warn("!!! TESTFAIL %s:%u\n", __FILE__, __LINE__); \ + ret = -EBADMSG; \ + } \ + __x; \ + }) + +enum which_key { + TEST_KC, TEST_KE, TEST_KI, +}; + +#if 0 +static void dump_sg(struct scatterlist *sg, unsigned int limit) +{ + unsigned int index = 0, n = 0; + + for (; sg && limit > 0; sg = sg_next(sg)) { + unsigned int off = sg->offset, len = umin(sg->length, limit); + const void *p = kmap_local_page(sg_page(sg)); + + limit -= len; + while (len > 0) { + unsigned int part = umin(len, 32); + + pr_notice("[%x] %04x: %*phN\n", n, index, part, p + off); + index += part; + off += part; + len -= part; + } + + kunmap_local(p); + n++; + } +} +#endif + +static int prep_buf(struct krb5_buffer *buf) +{ + buf->data = kmalloc(buf->len, GFP_KERNEL); + if (!buf->data) + return -ENOMEM; + return 0; +} + +#define PREP_BUF(BUF, LEN) \ + do { \ + (BUF)->len = (LEN); \ + ret = prep_buf((BUF)); \ + if (ret < 0) \ + goto out; \ + } while (0) + +static int load_buf(struct krb5_buffer *buf, const char *from) +{ + size_t len = strlen(from); + int ret; + + if (len > 1 && from[0] == '\'') { + PREP_BUF(buf, len - 1); + memcpy(buf->data, from + 1, len - 1); + ret = 0; + goto out; + } + + if (VALID(len & 1)) + return -EINVAL; + + PREP_BUF(buf, len / 2); + ret = hex2bin(buf->data, from, buf->len); + if (ret < 0) { + VALID(1); + goto out; + } +out: + return ret; +} + +#define LOAD_BUF(BUF, FROM) do { ret = load_buf(BUF, FROM); if (ret < 0) goto out; } while (0) + +static void clear_buf(struct krb5_buffer *buf) +{ + kfree(buf->data); + buf->len = 0; + buf->data = NULL; +} + +/* + * Perform a pseudo-random function check. + */ +static int krb5_test_one_prf(const struct krb5_prf_test *test) +{ + const struct krb5_enctype *krb5 = crypto_krb5_find_enctype(test->etype); + struct krb5_buffer key = {}, octet = {}, result = {}, prf = {}; + int ret; + + if (!krb5) + return -EOPNOTSUPP; + + pr_notice("Running %s %s\n", krb5->name, test->name); + + LOAD_BUF(&key, test->key); + LOAD_BUF(&octet, test->octet); + LOAD_BUF(&prf, test->prf); + PREP_BUF(&result, krb5->prf_len); + + if (VALID(result.len != prf.len)) { + ret = -EINVAL; + goto out; + } + + ret = krb5->profile->calc_PRF(krb5, &key, &octet, &result, GFP_KERNEL); + if (ret < 0) { + CHECK(1); + pr_warn("PRF calculation failed %d\n", ret); + goto out; + } + + if (memcmp(result.data, prf.data, result.len) != 0) { + CHECK(1); + ret = -EKEYREJECTED; + goto out; + } + + ret = 0; + +out: + clear_buf(&result); + clear_buf(&prf); + clear_buf(&octet); + clear_buf(&key); + return ret; +} + +/* + * Perform a key derivation check. + */ +static int krb5_test_key(const struct krb5_enctype *krb5, + const struct krb5_buffer *base_key, + const struct krb5_key_test_one *test, + enum which_key which) +{ + struct krb5_buffer key = {}, result = {}; + int ret; + + LOAD_BUF(&key, test->key); + PREP_BUF(&result, key.len); + + switch (which) { + case TEST_KC: + ret = krb5_derive_Kc(krb5, base_key, test->use, &result, GFP_KERNEL); + break; + case TEST_KE: + ret = krb5_derive_Ke(krb5, base_key, test->use, &result, GFP_KERNEL); + break; + case TEST_KI: + ret = krb5_derive_Ki(krb5, base_key, test->use, &result, GFP_KERNEL); + break; + default: + VALID(1); + ret = -EINVAL; + goto out; + } + + if (ret < 0) { + CHECK(1); + pr_warn("Key derivation failed %d\n", ret); + goto out; + } + + if (memcmp(result.data, key.data, result.len) != 0) { + CHECK(1); + ret = -EKEYREJECTED; + goto out; + } + +out: + clear_buf(&key); + clear_buf(&result); + return ret; +} + +static int krb5_test_one_key(const struct krb5_key_test *test) +{ + const struct krb5_enctype *krb5 = crypto_krb5_find_enctype(test->etype); + struct krb5_buffer base_key = {}; + int ret; + + if (!krb5) + return -EOPNOTSUPP; + + pr_notice("Running %s %s\n", krb5->name, test->name); + + LOAD_BUF(&base_key, test->key); + + ret = krb5_test_key(krb5, &base_key, &test->Kc, TEST_KC); + if (ret < 0) + goto out; + ret = krb5_test_key(krb5, &base_key, &test->Ke, TEST_KE); + if (ret < 0) + goto out; + ret = krb5_test_key(krb5, &base_key, &test->Ki, TEST_KI); + if (ret < 0) + goto out; + +out: + clear_buf(&base_key); + return ret; +} + +/* + * Perform an encryption test. + */ +static int krb5_test_one_enc(const struct krb5_enc_test *test, void *buf) +{ + const struct krb5_enctype *krb5 = crypto_krb5_find_enctype(test->etype); + struct crypto_aead *ci = NULL; + struct krb5_buffer K0 = {}, Ke = {}, Ki = {}, keys = {}; + struct krb5_buffer conf = {}, plain = {}, ct = {}; + struct scatterlist sg[1]; + size_t data_len, data_offset, message_len; + int ret; + + if (!krb5) + return -EOPNOTSUPP; + + pr_notice("Running %s %s\n", krb5->name, test->name); + + /* Load the test data into binary buffers. */ + LOAD_BUF(&conf, test->conf); + LOAD_BUF(&plain, test->plain); + LOAD_BUF(&ct, test->ct); + + if (test->K0) { + LOAD_BUF(&K0, test->K0); + } else { + LOAD_BUF(&Ke, test->Ke); + LOAD_BUF(&Ki, test->Ki); + + ret = krb5->profile->load_encrypt_keys(krb5, &Ke, &Ki, &keys, GFP_KERNEL); + if (ret < 0) + goto out; + } + + if (VALID(conf.len != krb5->conf_len) || + VALID(ct.len != krb5->conf_len + plain.len + krb5->cksum_len)) + goto out; + + data_len = plain.len; + message_len = crypto_krb5_how_much_buffer(krb5, KRB5_ENCRYPT_MODE, + data_len, &data_offset); + + if (CHECK(message_len != ct.len)) { + pr_warn("Encrypted length mismatch %zu != %u\n", message_len, ct.len); + goto out; + } + if (CHECK(data_offset != conf.len)) { + pr_warn("Data offset mismatch %zu != %u\n", data_offset, conf.len); + goto out; + } + + memcpy(buf, conf.data, conf.len); + memcpy(buf + data_offset, plain.data, plain.len); + + /* Allocate a crypto object and set its key. */ + if (test->K0) + ci = crypto_krb5_prepare_encryption(krb5, &K0, test->usage, GFP_KERNEL); + else + ci = krb5_prepare_encryption(krb5, &keys, GFP_KERNEL); + + if (IS_ERR(ci)) { + ret = PTR_ERR(ci); + ci = NULL; + pr_err("Couldn't alloc AEAD %s: %d\n", krb5->encrypt_name, ret); + goto out; + } + + /* Encrypt the message. */ + sg_init_one(sg, buf, message_len); + ret = crypto_krb5_encrypt(krb5, ci, sg, 1, message_len, + data_offset, data_len, true); + if (ret < 0) { + CHECK(1); + pr_warn("Encryption failed %d\n", ret); + goto out; + } + if (ret != message_len) { + CHECK(1); + pr_warn("Encrypted message wrong size %x != %zx\n", ret, message_len); + goto out; + } + + if (memcmp(buf, ct.data, ct.len) != 0) { + CHECK(1); + pr_warn("Ciphertext mismatch\n"); + pr_warn("BUF %*phN\n", ct.len, buf); + pr_warn("CT %*phN\n", ct.len, ct.data); + pr_warn("PT %*phN%*phN\n", conf.len, conf.data, plain.len, plain.data); + ret = -EKEYREJECTED; + goto out; + } + + /* Decrypt the encrypted message. */ + data_offset = 0; + data_len = message_len; + ret = crypto_krb5_decrypt(krb5, ci, sg, 1, &data_offset, &data_len); + if (ret < 0) { + CHECK(1); + pr_warn("Decryption failed %d\n", ret); + goto out; + } + + if (CHECK(data_offset != conf.len) || + CHECK(data_len != plain.len)) + goto out; + + if (memcmp(buf, conf.data, conf.len) != 0) { + CHECK(1); + pr_warn("Confounder mismatch\n"); + pr_warn("ENC %*phN\n", conf.len, buf); + pr_warn("DEC %*phN\n", conf.len, conf.data); + ret = -EKEYREJECTED; + goto out; + } + + if (memcmp(buf + conf.len, plain.data, plain.len) != 0) { + CHECK(1); + pr_warn("Plaintext mismatch\n"); + pr_warn("BUF %*phN\n", plain.len, buf + conf.len); + pr_warn("PT %*phN\n", plain.len, plain.data); + ret = -EKEYREJECTED; + goto out; + } + + ret = 0; + +out: + clear_buf(&ct); + clear_buf(&plain); + clear_buf(&conf); + clear_buf(&keys); + clear_buf(&Ki); + clear_buf(&Ke); + clear_buf(&K0); + if (ci) + crypto_free_aead(ci); + return ret; +} + +/* + * Perform a checksum test. + */ +static int krb5_test_one_mic(const struct krb5_mic_test *test, void *buf) +{ + const struct krb5_enctype *krb5 = crypto_krb5_find_enctype(test->etype); + struct crypto_shash *ci = NULL; + struct scatterlist sg[1]; + struct krb5_buffer K0 = {}, Kc = {}, keys = {}, plain = {}, mic = {}; + size_t offset, len, message_len; + int ret; + + if (!krb5) + return -EOPNOTSUPP; + + pr_notice("Running %s %s\n", krb5->name, test->name); + + /* Allocate a crypto object and set its key. */ + if (test->K0) { + LOAD_BUF(&K0, test->K0); + ci = crypto_krb5_prepare_checksum(krb5, &K0, test->usage, GFP_KERNEL); + } else { + LOAD_BUF(&Kc, test->Kc); + + ret = krb5->profile->load_checksum_key(krb5, &Kc, &keys, GFP_KERNEL); + if (ret < 0) + goto out; + + ci = krb5_prepare_checksum(krb5, &Kc, GFP_KERNEL); + } + if (IS_ERR(ci)) { + ret = PTR_ERR(ci); + ci = NULL; + pr_err("Couldn't alloc shash %s: %d\n", krb5->cksum_name, ret); + goto out; + } + + /* Load the test data into binary buffers. */ + LOAD_BUF(&plain, test->plain); + LOAD_BUF(&mic, test->mic); + + len = plain.len; + message_len = crypto_krb5_how_much_buffer(krb5, KRB5_CHECKSUM_MODE, + len, &offset); + + if (CHECK(message_len != mic.len + plain.len)) { + pr_warn("MIC length mismatch %zu != %u\n", + message_len, mic.len + plain.len); + goto out; + } + + memcpy(buf + offset, plain.data, plain.len); + + /* Generate a MIC generation request. */ + sg_init_one(sg, buf, 1024); + + ret = crypto_krb5_get_mic(krb5, ci, NULL, sg, 1, 1024, + krb5->cksum_len, plain.len); + if (ret < 0) { + CHECK(1); + pr_warn("Get MIC failed %d\n", ret); + goto out; + } + len = ret; + + if (CHECK(len != plain.len + mic.len)) { + pr_warn("MIC length mismatch %zu != %u\n", len, plain.len + mic.len); + goto out; + } + + if (memcmp(buf, mic.data, mic.len) != 0) { + CHECK(1); + pr_warn("MIC mismatch\n"); + pr_warn("BUF %*phN\n", mic.len, buf); + pr_warn("MIC %*phN\n", mic.len, mic.data); + ret = -EKEYREJECTED; + goto out; + } + + /* Generate a verification request. */ + offset = 0; + ret = crypto_krb5_verify_mic(krb5, ci, NULL, sg, 1, &offset, &len); + if (ret < 0) { + CHECK(1); + pr_warn("Verify MIC failed %d\n", ret); + goto out; + } + + if (CHECK(offset != mic.len) || + CHECK(len != plain.len)) + goto out; + + if (memcmp(buf + offset, plain.data, plain.len) != 0) { + CHECK(1); + pr_warn("Plaintext mismatch\n"); + pr_warn("BUF %*phN\n", plain.len, buf + offset); + pr_warn("PT %*phN\n", plain.len, plain.data); + ret = -EKEYREJECTED; + goto out; + } + + ret = 0; + +out: + clear_buf(&mic); + clear_buf(&plain); + clear_buf(&keys); + clear_buf(&K0); + clear_buf(&Kc); + if (ci) + crypto_free_shash(ci); + return ret; +} + +int krb5_selftest(void) +{ + void *buf; + int ret = 0, i; + + buf = kmalloc(4096, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + pr_notice("\n"); + pr_notice("Running selftests\n"); + + for (i = 0; krb5_prf_tests[i].name; i++) { + ret = krb5_test_one_prf(&krb5_prf_tests[i]); + if (ret < 0) { + if (ret != -EOPNOTSUPP) + goto out; + pr_notice("Skipping %s\n", krb5_prf_tests[i].name); + } + } + + for (i = 0; krb5_key_tests[i].name; i++) { + ret = krb5_test_one_key(&krb5_key_tests[i]); + if (ret < 0) { + if (ret != -EOPNOTSUPP) + goto out; + pr_notice("Skipping %s\n", krb5_key_tests[i].name); + } + } + + for (i = 0; krb5_enc_tests[i].name; i++) { + memset(buf, 0x5a, 4096); + ret = krb5_test_one_enc(&krb5_enc_tests[i], buf); + if (ret < 0) { + if (ret != -EOPNOTSUPP) + goto out; + pr_notice("Skipping %s\n", krb5_enc_tests[i].name); + } + } + + for (i = 0; krb5_mic_tests[i].name; i++) { + memset(buf, 0x5a, 4096); + ret = krb5_test_one_mic(&krb5_mic_tests[i], buf); + if (ret < 0) { + if (ret != -EOPNOTSUPP) + goto out; + pr_notice("Skipping %s\n", krb5_mic_tests[i].name); + } + } + + ret = 0; +out: + pr_notice("Selftests %s\n", ret == 0 ? "succeeded" : "failed"); + kfree(buf); + return ret; +} diff --git a/crypto/krb5/selftest_data.c b/crypto/krb5/selftest_data.c new file mode 100644 index 000000000000..24447ee8bf07 --- /dev/null +++ b/crypto/krb5/selftest_data.c @@ -0,0 +1,291 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Data for Kerberos library self-testing + * + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "internal.h" + +/* + * Pseudo-random function tests. + */ +const struct krb5_prf_test krb5_prf_tests[] = { + /* rfc8009 Appendix A */ + { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .name = "prf", + .key = "3705D96080C17728A0E800EAB6E0D23C", + .octet = "74657374", + .prf = "9D188616F63852FE86915BB840B4A886FF3E6BB0F819B49B893393D393854295", + }, { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .name = "prf", + .key = "6D404D37FAF79F9DF0D33568D320669800EB4836472EA8A026D16B7182460C52", + .octet = "74657374", + .prf = + "9801F69A368C2BF675E59521E177D9A07F67EFE1CFDE8D3C8D6F6A0256E3B17D" + "B3C1B62AD1B8553360D17367EB1514D2", + }, + {/* END */} +}; + +/* + * Key derivation tests. + */ +const struct krb5_key_test krb5_key_tests[] = { + /* rfc8009 Appendix A */ + { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .name = "key", + .key = "3705D96080C17728A0E800EAB6E0D23C", + .Kc.use = 0x00000002, + .Kc.key = "B31A018A48F54776F403E9A396325DC3", + .Ke.use = 0x00000002, + .Ke.key = "9B197DD1E8C5609D6E67C3E37C62C72E", + .Ki.use = 0x00000002, + .Ki.key = "9FDA0E56AB2D85E1569A688696C26A6C", + }, { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .name = "key", + .key = "6D404D37FAF79F9DF0D33568D320669800EB4836472EA8A026D16B7182460C52", + .Kc.use = 0x00000002, + .Kc.key = "EF5718BE86CC84963D8BBB5031E9F5C4BA41F28FAF69E73D", + .Ke.use = 0x00000002, + .Ke.key = "56AB22BEE63D82D7BC5227F6773F8EA7A5EB1C825160C38312980C442E5C7E49", + .Ki.use = 0x00000002, + .Ki.key = "69B16514E3CD8E56B82010D5C73012B622C4D00FFC23ED1F", + }, + /* rfc6803 sec 10 */ + { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .name = "key", + .key = "57D0297298FFD9D35DE5A47FB4BDE24B", + .Kc.use = 0x00000002, + .Kc.key = "D155775A209D05F02B38D42A389E5A56", + .Ke.use = 0x00000002, + .Ke.key = "64DF83F85A532F17577D8C37035796AB", + .Ki.use = 0x00000002, + .Ki.key = "3E4FBDF30FB8259C425CB6C96F1F4635", + }, + { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .name = "key", + .key = "B9D6828B2056B7BE656D88A123B1FAC68214AC2B727ECF5F69AFE0C4DF2A6D2C", + .Kc.use = 0x00000002, + .Kc.key = "E467F9A9552BC7D3155A6220AF9C19220EEED4FF78B0D1E6A1544991461A9E50", + .Ke.use = 0x00000002, + .Ke.key = "412AEFC362A7285FC3966C6A5181E7605AE675235B6D549FBFC9AB6630A4C604", + .Ki.use = 0x00000002, + .Ki.key = "FA624FA0E523993FA388AEFDC67E67EBCD8C08E8A0246B1D73B0D1DD9FC582B0", + }, + {/* END */} +}; + +/* + * Encryption tests. + */ +const struct krb5_enc_test krb5_enc_tests[] = { + /* rfc8009 Appendix A */ + { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .name = "enc no plain", + .plain = "", + .conf = "7E5895EAF2672435BAD817F545A37148", + .Ke = "9B197DD1E8C5609D6E67C3E37C62C72E", + .Ki = "9FDA0E56AB2D85E1569A688696C26A6C", + .ct = "EF85FB890BB8472F4DAB20394DCA781DAD877EDA39D50C870C0D5A0A8E48C718", + }, { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .name = "enc plain<block", + .plain = "000102030405", + .conf = "7BCA285E2FD4130FB55B1A5C83BC5B24", + .Ke = "9B197DD1E8C5609D6E67C3E37C62C72E", + .Ki = "9FDA0E56AB2D85E1569A688696C26A6C", + .ct = "84D7F30754ED987BAB0BF3506BEB09CFB55402CEF7E6877CE99E247E52D16ED4421DFDF8976C", + }, { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .name = "enc plain==block", + .plain = "000102030405060708090A0B0C0D0E0F", + .conf = "56AB21713FF62C0A1457200F6FA9948F", + .Ke = "9B197DD1E8C5609D6E67C3E37C62C72E", + .Ki = "9FDA0E56AB2D85E1569A688696C26A6C", + .ct = "3517D640F50DDC8AD3628722B3569D2AE07493FA8263254080EA65C1008E8FC295FB4852E7D83E1E7C48C37EEBE6B0D3", + }, { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .name = "enc plain>block", + .plain = "000102030405060708090A0B0C0D0E0F1011121314", + .conf = "A7A4E29A4728CE10664FB64E49AD3FAC", + .Ke = "9B197DD1E8C5609D6E67C3E37C62C72E", + .Ki = "9FDA0E56AB2D85E1569A688696C26A6C", + .ct = "720F73B18D9859CD6CCB4346115CD336C70F58EDC0C4437C5573544C31C813BCE1E6D072C186B39A413C2F92CA9B8334A287FFCBFC", + }, { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .name = "enc no plain", + .plain = "", + .conf = "F764E9FA15C276478B2C7D0C4E5F58E4", + .Ke = "56AB22BEE63D82D7BC5227F6773F8EA7A5EB1C825160C38312980C442E5C7E49", + .Ki = "69B16514E3CD8E56B82010D5C73012B622C4D00FFC23ED1F", + .ct = "41F53FA5BFE7026D91FAF9BE959195A058707273A96A40F0A01960621AC612748B9BBFBE7EB4CE3C", + }, { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .name = "enc plain<block", + .plain = "000102030405", + .conf = "B80D3251C1F6471494256FFE712D0B9A", + .Ke = "56AB22BEE63D82D7BC5227F6773F8EA7A5EB1C825160C38312980C442E5C7E49", + .Ki = "69B16514E3CD8E56B82010D5C73012B622C4D00FFC23ED1F", + .ct = "4ED7B37C2BCAC8F74F23C1CF07E62BC7B75FB3F637B9F559C7F664F69EAB7B6092237526EA0D1F61CB20D69D10F2", + }, { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .name = "enc plain==block", + .plain = "000102030405060708090A0B0C0D0E0F", + .conf = "53BF8A0D105265D4E276428624CE5E63", + .Ke = "56AB22BEE63D82D7BC5227F6773F8EA7A5EB1C825160C38312980C442E5C7E49", + .Ki = "69B16514E3CD8E56B82010D5C73012B622C4D00FFC23ED1F", + .ct = "BC47FFEC7998EB91E8115CF8D19DAC4BBBE2E163E87DD37F49BECA92027764F68CF51F14D798C2273F35DF574D1F932E40C4FF255B36A266", + }, { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .name = "enc plain>block", + .plain = "000102030405060708090A0B0C0D0E0F1011121314", + .conf = "763E65367E864F02F55153C7E3B58AF1", + .Ke = "56AB22BEE63D82D7BC5227F6773F8EA7A5EB1C825160C38312980C442E5C7E49", + .Ki = "69B16514E3CD8E56B82010D5C73012B622C4D00FFC23ED1F", + .ct = "40013E2DF58E8751957D2878BCD2D6FE101CCFD556CB1EAE79DB3C3EE86429F2B2A602AC86FEF6ECB647D6295FAE077A1FEB517508D2C16B4192E01F62", + }, + /* rfc6803 sec 10 */ + { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .name = "enc no plain", + .plain = "", + .conf = "B69822A19A6B09C0EBC8557D1F1B6C0A", + .K0 = "1DC46A8D763F4F93742BCBA3387576C3", + .usage = 0, + .ct = "C466F1871069921EDB7C6FDE244A52DB0BA10EDC197BDB8006658CA3CCCE6EB8", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .name = "enc 1 plain", + .plain = "'1", + .conf = "6F2FC3C2A166FD8898967A83DE9596D9", + .K0 = "5027BC231D0F3A9D23333F1CA6FDBE7C", + .usage = 1, + .ct = "842D21FD950311C0DD464A3F4BE8D6DA88A56D559C9B47D3F9A85067AF661559B8", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .name = "enc 9 plain", + .plain = "'9 bytesss", + .conf = "A5B4A71E077AEEF93C8763C18FDB1F10", + .K0 = "A1BB61E805F9BA6DDE8FDBDDC05CDEA0", + .usage = 2, + .ct = "619FF072E36286FF0A28DEB3A352EC0D0EDF5C5160D663C901758CCF9D1ED33D71DB8F23AABF8348A0", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .name = "enc 13 plain", + .plain = "'13 bytes byte", + .conf = "19FEE40D810C524B5B22F01874C693DA", + .K0 = "2CA27A5FAF5532244506434E1CEF6676", + .usage = 3, + .ct = "B8ECA3167AE6315512E59F98A7C500205E5F63FF3BB389AF1C41A21D640D8615C9ED3FBEB05AB6ACB67689B5EA", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .name = "enc 30 plain", + .plain = "'30 bytes bytes bytes bytes byt", + .conf = "CA7A7AB4BE192DABD603506DB19C39E2", + .K0 = "7824F8C16F83FF354C6BF7515B973F43", + .usage = 4, + .ct = "A26A3905A4FFD5816B7B1E27380D08090C8EC1F304496E1ABDCD2BDCD1DFFC660989E117A713DDBB57A4146C1587CBA4356665591D2240282F5842B105A5", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .name = "enc no plain", + .plain = "", + .conf = "3CBBD2B45917941067F96599BB98926C", + .K0 = "B61C86CC4E5D2757545AD423399FB7031ECAB913CBB900BD7A3C6DD8BF92015B", + .usage = 0, + .ct = "03886D03310B47A6D8F06D7B94D1DD837ECCE315EF652AFF620859D94A259266", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .name = "enc 1 plain", + .plain = "'1", + .conf = "DEF487FCEBE6DE6346D4DA4521BBA2D2", + .K0 = "1B97FE0A190E2021EB30753E1B6E1E77B0754B1D684610355864104963463833", + .usage = 1, + .ct = "2C9C1570133C99BF6A34BC1B0212002FD194338749DB4135497A347CFCD9D18A12", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .name = "enc 9 plain", + .plain = "'9 bytesss", + .conf = "AD4FF904D34E555384B14100FC465F88", + .K0 = "32164C5B434D1D1538E4CFD9BE8040FE8C4AC7ACC4B93D3314D2133668147A05", + .usage = 2, + .ct = "9C6DE75F812DE7ED0D28B2963557A115640998275B0AF5152709913FF52A2A9C8E63B872F92E64C839", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .name = "enc 13 plain", + .plain = "'13 bytes byte", + .conf = "CF9BCA6DF1144E0C0AF9B8F34C90D514", + .K0 = "B038B132CD8E06612267FAB7170066D88AECCBA0B744BFC60DC89BCA182D0715", + .usage = 3, + .ct = "EEEC85A9813CDC536772AB9B42DEFC5706F726E975DDE05A87EB5406EA324CA185C9986B42AABE794B84821BEE", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .name = "enc 30 plain", + .plain = "'30 bytes bytes bytes bytes byt", + .conf = "644DEF38DA35007275878D216855E228", + .K0 = "CCFCD349BF4C6677E86E4B02B8EAB924A546AC731CF9BF6989B996E7D6BFBBA7", + .usage = 4, + .ct = "0E44680985855F2D1F1812529CA83BFD8E349DE6FD9ADA0BAAA048D68E265FEBF34AD1255A344999AD37146887A6C6845731AC7F46376A0504CD06571474", + }, + {/* END */} +}; + +/* + * Checksum generation tests. + */ +const struct krb5_mic_test krb5_mic_tests[] = { + /* rfc8009 Appendix A */ + { + .etype = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128, + .name = "mic", + .plain = "000102030405060708090A0B0C0D0E0F1011121314", + .Kc = "B31A018A48F54776F403E9A396325DC3", + .mic = "D78367186643D67B411CBA9139FC1DEE", + }, { + .etype = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192, + .name = "mic", + .plain = "000102030405060708090A0B0C0D0E0F1011121314", + .Kc = "EF5718BE86CC84963D8BBB5031E9F5C4BA41F28FAF69E73D", + .mic = "45EE791567EEFCA37F4AC1E0222DE80D43C3BFA06699672A", + }, + /* rfc6803 sec 10 */ + { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .name = "mic abc", + .plain = "'abcdefghijk", + .K0 = "1DC46A8D763F4F93742BCBA3387576C3", + .usage = 7, + .mic = "1178E6C5C47A8C1AE0C4B9C7D4EB7B6B", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA128_CTS_CMAC, + .name = "mic ABC", + .plain = "'ABCDEFGHIJKLMNOPQRSTUVWXYZ", + .K0 = "5027BC231D0F3A9D23333F1CA6FDBE7C", + .usage = 8, + .mic = "D1B34F7004A731F23A0C00BF6C3F753A", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .name = "mic 123", + .plain = "'123456789", + .K0 = "B61C86CC4E5D2757545AD423399FB7031ECAB913CBB900BD7A3C6DD8BF92015B", + .usage = 9, + .mic = "87A12CFD2B96214810F01C826E7744B1", + }, { + .etype = KRB5_ENCTYPE_CAMELLIA256_CTS_CMAC, + .name = "mic !@#", + .plain = "'!@#$%^&*()!@#$%^&*()!@#$%^&*()", + .K0 = "32164C5B434D1D1538E4CFD9BE8040FE8C4AC7ACC4B93D3314D2133668147A05", + .usage = 10, + .mic = "3FA0B42355E52B189187294AA252AB64", + }, + {/* END */} +}; diff --git a/crypto/krb5enc.c b/crypto/krb5enc.c new file mode 100644 index 000000000000..a1de55994d92 --- /dev/null +++ b/crypto/krb5enc.c @@ -0,0 +1,504 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AEAD wrapper for Kerberos 5 RFC3961 simplified profile. + * + * Copyright (C) 2025 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * Derived from authenc: + * Copyright (c) 2007-2015 Herbert Xu <herbert@gondor.apana.org.au> + */ + +#include <crypto/internal/aead.h> +#include <crypto/internal/hash.h> +#include <crypto/internal/skcipher.h> +#include <crypto/authenc.h> +#include <crypto/scatterwalk.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/rtnetlink.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +struct krb5enc_instance_ctx { + struct crypto_ahash_spawn auth; + struct crypto_skcipher_spawn enc; + unsigned int reqoff; +}; + +struct krb5enc_ctx { + struct crypto_ahash *auth; + struct crypto_skcipher *enc; +}; + +struct krb5enc_request_ctx { + struct scatterlist src[2]; + struct scatterlist dst[2]; + char tail[]; +}; + +static void krb5enc_request_complete(struct aead_request *req, int err) +{ + if (err != -EINPROGRESS) + aead_request_complete(req, err); +} + +/** + * crypto_krb5enc_extractkeys - Extract Ke and Ki keys from the key blob. + * @keys: Where to put the key sizes and pointers + * @key: Encoded key material + * @keylen: Amount of key material + * + * Decode the key blob we're given. It starts with an rtattr that indicates + * the format and the length. Format CRYPTO_AUTHENC_KEYA_PARAM is: + * + * rtattr || __be32 enckeylen || authkey || enckey + * + * Note that the rtattr is in cpu-endian form, unlike enckeylen. This must be + * handled correctly in static testmgr data. + */ +int crypto_krb5enc_extractkeys(struct crypto_authenc_keys *keys, const u8 *key, + unsigned int keylen) +{ + struct rtattr *rta = (struct rtattr *)key; + struct crypto_authenc_key_param *param; + + if (!RTA_OK(rta, keylen)) + return -EINVAL; + if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM) + return -EINVAL; + + /* + * RTA_OK() didn't align the rtattr's payload when validating that it + * fits in the buffer. Yet, the keys should start on the next 4-byte + * aligned boundary. To avoid confusion, require that the rtattr + * payload be exactly the param struct, which has a 4-byte aligned size. + */ + if (RTA_PAYLOAD(rta) != sizeof(*param)) + return -EINVAL; + BUILD_BUG_ON(sizeof(*param) % RTA_ALIGNTO); + + param = RTA_DATA(rta); + keys->enckeylen = be32_to_cpu(param->enckeylen); + + key += rta->rta_len; + keylen -= rta->rta_len; + + if (keylen < keys->enckeylen) + return -EINVAL; + + keys->authkeylen = keylen - keys->enckeylen; + keys->authkey = key; + keys->enckey = key + keys->authkeylen; + return 0; +} +EXPORT_SYMBOL(crypto_krb5enc_extractkeys); + +static int krb5enc_setkey(struct crypto_aead *krb5enc, const u8 *key, + unsigned int keylen) +{ + struct crypto_authenc_keys keys; + struct krb5enc_ctx *ctx = crypto_aead_ctx(krb5enc); + struct crypto_skcipher *enc = ctx->enc; + struct crypto_ahash *auth = ctx->auth; + unsigned int flags = crypto_aead_get_flags(krb5enc); + int err = -EINVAL; + + if (crypto_krb5enc_extractkeys(&keys, key, keylen) != 0) + goto out; + + crypto_ahash_clear_flags(auth, CRYPTO_TFM_REQ_MASK); + crypto_ahash_set_flags(auth, flags & CRYPTO_TFM_REQ_MASK); + err = crypto_ahash_setkey(auth, keys.authkey, keys.authkeylen); + if (err) + goto out; + + crypto_skcipher_clear_flags(enc, CRYPTO_TFM_REQ_MASK); + crypto_skcipher_set_flags(enc, flags & CRYPTO_TFM_REQ_MASK); + err = crypto_skcipher_setkey(enc, keys.enckey, keys.enckeylen); +out: + memzero_explicit(&keys, sizeof(keys)); + return err; +} + +static void krb5enc_encrypt_done(void *data, int err) +{ + struct aead_request *req = data; + + krb5enc_request_complete(req, err); +} + +/* + * Start the encryption of the plaintext. We skip over the associated data as + * that only gets included in the hash. + */ +static int krb5enc_dispatch_encrypt(struct aead_request *req, + unsigned int flags) +{ + struct crypto_aead *krb5enc = crypto_aead_reqtfm(req); + struct aead_instance *inst = aead_alg_instance(krb5enc); + struct krb5enc_ctx *ctx = crypto_aead_ctx(krb5enc); + struct krb5enc_instance_ctx *ictx = aead_instance_ctx(inst); + struct krb5enc_request_ctx *areq_ctx = aead_request_ctx(req); + struct crypto_skcipher *enc = ctx->enc; + struct skcipher_request *skreq = (void *)(areq_ctx->tail + + ictx->reqoff); + struct scatterlist *src, *dst; + + src = scatterwalk_ffwd(areq_ctx->src, req->src, req->assoclen); + if (req->src == req->dst) + dst = src; + else + dst = scatterwalk_ffwd(areq_ctx->dst, req->dst, req->assoclen); + + skcipher_request_set_tfm(skreq, enc); + skcipher_request_set_callback(skreq, aead_request_flags(req), + krb5enc_encrypt_done, req); + skcipher_request_set_crypt(skreq, src, dst, req->cryptlen, req->iv); + + return crypto_skcipher_encrypt(skreq); +} + +/* + * Insert the hash into the checksum field in the destination buffer directly + * after the encrypted region. + */ +static void krb5enc_insert_checksum(struct aead_request *req, u8 *hash) +{ + struct crypto_aead *krb5enc = crypto_aead_reqtfm(req); + + scatterwalk_map_and_copy(hash, req->dst, + req->assoclen + req->cryptlen, + crypto_aead_authsize(krb5enc), 1); +} + +/* + * Upon completion of an asynchronous digest, transfer the hash to the checksum + * field. + */ +static void krb5enc_encrypt_ahash_done(void *data, int err) +{ + struct aead_request *req = data; + struct crypto_aead *krb5enc = crypto_aead_reqtfm(req); + struct aead_instance *inst = aead_alg_instance(krb5enc); + struct krb5enc_instance_ctx *ictx = aead_instance_ctx(inst); + struct krb5enc_request_ctx *areq_ctx = aead_request_ctx(req); + struct ahash_request *ahreq = (void *)(areq_ctx->tail + ictx->reqoff); + + if (err) + return krb5enc_request_complete(req, err); + + krb5enc_insert_checksum(req, ahreq->result); + + err = krb5enc_dispatch_encrypt(req, 0); + if (err != -EINPROGRESS) + aead_request_complete(req, err); +} + +/* + * Start the digest of the plaintext for encryption. In theory, this could be + * run in parallel with the encryption, provided the src and dst buffers don't + * overlap. + */ +static int krb5enc_dispatch_encrypt_hash(struct aead_request *req) +{ + struct crypto_aead *krb5enc = crypto_aead_reqtfm(req); + struct aead_instance *inst = aead_alg_instance(krb5enc); + struct krb5enc_ctx *ctx = crypto_aead_ctx(krb5enc); + struct krb5enc_instance_ctx *ictx = aead_instance_ctx(inst); + struct crypto_ahash *auth = ctx->auth; + struct krb5enc_request_ctx *areq_ctx = aead_request_ctx(req); + struct ahash_request *ahreq = (void *)(areq_ctx->tail + ictx->reqoff); + u8 *hash = areq_ctx->tail; + int err; + + ahash_request_set_callback(ahreq, aead_request_flags(req), + krb5enc_encrypt_ahash_done, req); + ahash_request_set_tfm(ahreq, auth); + ahash_request_set_crypt(ahreq, req->src, hash, req->assoclen + req->cryptlen); + + err = crypto_ahash_digest(ahreq); + if (err) + return err; + + krb5enc_insert_checksum(req, hash); + return 0; +} + +/* + * Process an encryption operation. We can perform the cipher and the hash in + * parallel, provided the src and dst buffers are separate. + */ +static int krb5enc_encrypt(struct aead_request *req) +{ + int err; + + err = krb5enc_dispatch_encrypt_hash(req); + if (err < 0) + return err; + + return krb5enc_dispatch_encrypt(req, aead_request_flags(req)); +} + +static int krb5enc_verify_hash(struct aead_request *req) +{ + struct crypto_aead *krb5enc = crypto_aead_reqtfm(req); + struct aead_instance *inst = aead_alg_instance(krb5enc); + struct krb5enc_instance_ctx *ictx = aead_instance_ctx(inst); + struct krb5enc_request_ctx *areq_ctx = aead_request_ctx(req); + struct ahash_request *ahreq = (void *)(areq_ctx->tail + ictx->reqoff); + unsigned int authsize = crypto_aead_authsize(krb5enc); + u8 *calc_hash = areq_ctx->tail; + u8 *msg_hash = areq_ctx->tail + authsize; + + scatterwalk_map_and_copy(msg_hash, req->src, ahreq->nbytes, authsize, 0); + + if (crypto_memneq(msg_hash, calc_hash, authsize)) + return -EBADMSG; + return 0; +} + +static void krb5enc_decrypt_hash_done(void *data, int err) +{ + struct aead_request *req = data; + + if (err) + return krb5enc_request_complete(req, err); + + err = krb5enc_verify_hash(req); + krb5enc_request_complete(req, err); +} + +/* + * Dispatch the hashing of the plaintext after we've done the decryption. + */ +static int krb5enc_dispatch_decrypt_hash(struct aead_request *req) +{ + struct crypto_aead *krb5enc = crypto_aead_reqtfm(req); + struct aead_instance *inst = aead_alg_instance(krb5enc); + struct krb5enc_ctx *ctx = crypto_aead_ctx(krb5enc); + struct krb5enc_instance_ctx *ictx = aead_instance_ctx(inst); + struct krb5enc_request_ctx *areq_ctx = aead_request_ctx(req); + struct ahash_request *ahreq = (void *)(areq_ctx->tail + ictx->reqoff); + struct crypto_ahash *auth = ctx->auth; + unsigned int authsize = crypto_aead_authsize(krb5enc); + u8 *hash = areq_ctx->tail; + int err; + + ahash_request_set_tfm(ahreq, auth); + ahash_request_set_crypt(ahreq, req->dst, hash, + req->assoclen + req->cryptlen - authsize); + ahash_request_set_callback(ahreq, aead_request_flags(req), + krb5enc_decrypt_hash_done, req); + + err = crypto_ahash_digest(ahreq); + if (err < 0) + return err; + + return krb5enc_verify_hash(req); +} + +/* + * Dispatch the decryption of the ciphertext. + */ +static int krb5enc_dispatch_decrypt(struct aead_request *req) +{ + struct crypto_aead *krb5enc = crypto_aead_reqtfm(req); + struct aead_instance *inst = aead_alg_instance(krb5enc); + struct krb5enc_ctx *ctx = crypto_aead_ctx(krb5enc); + struct krb5enc_instance_ctx *ictx = aead_instance_ctx(inst); + struct krb5enc_request_ctx *areq_ctx = aead_request_ctx(req); + struct skcipher_request *skreq = (void *)(areq_ctx->tail + + ictx->reqoff); + unsigned int authsize = crypto_aead_authsize(krb5enc); + struct scatterlist *src, *dst; + + src = scatterwalk_ffwd(areq_ctx->src, req->src, req->assoclen); + dst = src; + + if (req->src != req->dst) + dst = scatterwalk_ffwd(areq_ctx->dst, req->dst, req->assoclen); + + skcipher_request_set_tfm(skreq, ctx->enc); + skcipher_request_set_callback(skreq, aead_request_flags(req), + req->base.complete, req->base.data); + skcipher_request_set_crypt(skreq, src, dst, + req->cryptlen - authsize, req->iv); + + return crypto_skcipher_decrypt(skreq); +} + +static int krb5enc_decrypt(struct aead_request *req) +{ + int err; + + err = krb5enc_dispatch_decrypt(req); + if (err < 0) + return err; + + return krb5enc_dispatch_decrypt_hash(req); +} + +static int krb5enc_init_tfm(struct crypto_aead *tfm) +{ + struct aead_instance *inst = aead_alg_instance(tfm); + struct krb5enc_instance_ctx *ictx = aead_instance_ctx(inst); + struct krb5enc_ctx *ctx = crypto_aead_ctx(tfm); + struct crypto_ahash *auth; + struct crypto_skcipher *enc; + int err; + + auth = crypto_spawn_ahash(&ictx->auth); + if (IS_ERR(auth)) + return PTR_ERR(auth); + + enc = crypto_spawn_skcipher(&ictx->enc); + err = PTR_ERR(enc); + if (IS_ERR(enc)) + goto err_free_ahash; + + ctx->auth = auth; + ctx->enc = enc; + + crypto_aead_set_reqsize( + tfm, + sizeof(struct krb5enc_request_ctx) + + ictx->reqoff + /* Space for two checksums */ + umax(sizeof(struct ahash_request) + crypto_ahash_reqsize(auth), + sizeof(struct skcipher_request) + crypto_skcipher_reqsize(enc))); + + return 0; + +err_free_ahash: + crypto_free_ahash(auth); + return err; +} + +static void krb5enc_exit_tfm(struct crypto_aead *tfm) +{ + struct krb5enc_ctx *ctx = crypto_aead_ctx(tfm); + + crypto_free_ahash(ctx->auth); + crypto_free_skcipher(ctx->enc); +} + +static void krb5enc_free(struct aead_instance *inst) +{ + struct krb5enc_instance_ctx *ctx = aead_instance_ctx(inst); + + crypto_drop_skcipher(&ctx->enc); + crypto_drop_ahash(&ctx->auth); + kfree(inst); +} + +/* + * Create an instance of a template for a specific hash and cipher pair. + */ +static int krb5enc_create(struct crypto_template *tmpl, struct rtattr **tb) +{ + struct krb5enc_instance_ctx *ictx; + struct skcipher_alg_common *enc; + struct hash_alg_common *auth; + struct aead_instance *inst; + struct crypto_alg *auth_base; + u32 mask; + int err; + + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AEAD, &mask); + if (err) { + pr_err("attr_type failed\n"); + return err; + } + + inst = kzalloc(sizeof(*inst) + sizeof(*ictx), GFP_KERNEL); + if (!inst) + return -ENOMEM; + ictx = aead_instance_ctx(inst); + + err = crypto_grab_ahash(&ictx->auth, aead_crypto_instance(inst), + crypto_attr_alg_name(tb[1]), 0, mask); + if (err) { + pr_err("grab ahash failed\n"); + goto err_free_inst; + } + auth = crypto_spawn_ahash_alg(&ictx->auth); + auth_base = &auth->base; + + err = crypto_grab_skcipher(&ictx->enc, aead_crypto_instance(inst), + crypto_attr_alg_name(tb[2]), 0, mask); + if (err) { + pr_err("grab skcipher failed\n"); + goto err_free_inst; + } + enc = crypto_spawn_skcipher_alg_common(&ictx->enc); + + ictx->reqoff = 2 * auth->digestsize; + + err = -ENAMETOOLONG; + if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, + "krb5enc(%s,%s)", auth_base->cra_name, + enc->base.cra_name) >= + CRYPTO_MAX_ALG_NAME) + goto err_free_inst; + + if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME, + "krb5enc(%s,%s)", auth_base->cra_driver_name, + enc->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) + goto err_free_inst; + + inst->alg.base.cra_priority = enc->base.cra_priority * 10 + + auth_base->cra_priority; + inst->alg.base.cra_blocksize = enc->base.cra_blocksize; + inst->alg.base.cra_alignmask = enc->base.cra_alignmask; + inst->alg.base.cra_ctxsize = sizeof(struct krb5enc_ctx); + + inst->alg.ivsize = enc->ivsize; + inst->alg.chunksize = enc->chunksize; + inst->alg.maxauthsize = auth->digestsize; + + inst->alg.init = krb5enc_init_tfm; + inst->alg.exit = krb5enc_exit_tfm; + + inst->alg.setkey = krb5enc_setkey; + inst->alg.encrypt = krb5enc_encrypt; + inst->alg.decrypt = krb5enc_decrypt; + + inst->free = krb5enc_free; + + err = aead_register_instance(tmpl, inst); + if (err) { + pr_err("ref failed\n"); + goto err_free_inst; + } + + return 0; + +err_free_inst: + krb5enc_free(inst); + return err; +} + +static struct crypto_template crypto_krb5enc_tmpl = { + .name = "krb5enc", + .create = krb5enc_create, + .module = THIS_MODULE, +}; + +static int __init crypto_krb5enc_module_init(void) +{ + return crypto_register_template(&crypto_krb5enc_tmpl); +} + +static void __exit crypto_krb5enc_module_exit(void) +{ + crypto_unregister_template(&crypto_krb5enc_tmpl); +} + +module_init(crypto_krb5enc_module_init); +module_exit(crypto_krb5enc_module_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Simple AEAD wrapper for Kerberos 5 RFC3961"); +MODULE_ALIAS_CRYPTO("krb5enc"); diff --git a/crypto/lrw.c b/crypto/lrw.c index 1b0f76ba3eb5..dd403b800513 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -167,7 +167,7 @@ static int lrw_xor_tweak(struct skcipher_request *req, bool second_pass) while (w.nbytes) { unsigned int avail = w.nbytes; - be128 *wsrc; + const be128 *wsrc; be128 *wdst; wsrc = w.src.virt.addr; @@ -299,8 +299,8 @@ static void lrw_free_instance(struct skcipher_instance *inst) static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb) { struct crypto_skcipher_spawn *spawn; + struct skcipher_alg_common *alg; struct skcipher_instance *inst; - struct skcipher_alg *alg; const char *cipher_name; char ecb_name[CRYPTO_MAX_ALG_NAME]; u32 mask; @@ -322,7 +322,7 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb) err = crypto_grab_skcipher(spawn, skcipher_crypto_instance(inst), cipher_name, 0, mask); - if (err == -ENOENT) { + if (err == -ENOENT && memcmp(cipher_name, "ecb(", 4)) { err = -ENAMETOOLONG; if (snprintf(ecb_name, CRYPTO_MAX_ALG_NAME, "ecb(%s)", cipher_name) >= CRYPTO_MAX_ALG_NAME) @@ -336,13 +336,13 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb) if (err) goto err_free_inst; - alg = crypto_skcipher_spawn_alg(spawn); + alg = crypto_spawn_skcipher_alg_common(spawn); err = -EINVAL; if (alg->base.cra_blocksize != LRW_BLOCK_SIZE) goto err_free_inst; - if (crypto_skcipher_alg_ivsize(alg)) + if (alg->ivsize) goto err_free_inst; err = crypto_inst_setname(skcipher_crypto_instance(inst), "lrw", @@ -356,11 +356,11 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb) /* Alas we screwed up the naming so we have to mangle the * cipher name. */ - if (!strncmp(cipher_name, "ecb(", 4)) { - unsigned len; + if (!memcmp(cipher_name, "ecb(", 4)) { + int len; - len = strlcpy(ecb_name, cipher_name + 4, sizeof(ecb_name)); - if (len < 2 || len >= sizeof(ecb_name)) + len = strscpy(ecb_name, cipher_name + 4, sizeof(ecb_name)); + if (len < 2) goto err_free_inst; if (ecb_name[len - 1] != ')') @@ -382,10 +382,8 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb) (__alignof__(be128) - 1); inst->alg.ivsize = LRW_BLOCK_SIZE; - inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(alg) + - LRW_BLOCK_SIZE; - inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(alg) + - LRW_BLOCK_SIZE; + inst->alg.min_keysize = alg->min_keysize + LRW_BLOCK_SIZE; + inst->alg.max_keysize = alg->max_keysize + LRW_BLOCK_SIZE; inst->alg.base.cra_ctxsize = sizeof(struct lrw_tfm_ctx); @@ -422,7 +420,7 @@ static void __exit lrw_module_exit(void) crypto_unregister_template(&lrw_tmpl); } -subsys_initcall(lrw_module_init); +module_init(lrw_module_init); module_exit(lrw_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/lskcipher.c b/crypto/lskcipher.c new file mode 100644 index 000000000000..c2e2c38b5aa8 --- /dev/null +++ b/crypto/lskcipher.c @@ -0,0 +1,593 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Linear symmetric key cipher operations. + * + * Generic encrypt/decrypt wrapper for ciphers. + * + * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au> + */ + +#include <linux/cryptouser.h> +#include <linux/err.h> +#include <linux/export.h> +#include <linux/kernel.h> +#include <linux/seq_file.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <net/netlink.h> +#include "skcipher.h" + +static inline struct crypto_lskcipher *__crypto_lskcipher_cast( + struct crypto_tfm *tfm) +{ + return container_of(tfm, struct crypto_lskcipher, base); +} + +static inline struct lskcipher_alg *__crypto_lskcipher_alg( + struct crypto_alg *alg) +{ + return container_of(alg, struct lskcipher_alg, co.base); +} + +static int lskcipher_setkey_unaligned(struct crypto_lskcipher *tfm, + const u8 *key, unsigned int keylen) +{ + unsigned long alignmask = crypto_lskcipher_alignmask(tfm); + struct lskcipher_alg *cipher = crypto_lskcipher_alg(tfm); + u8 *buffer, *alignbuffer; + unsigned long absize; + int ret; + + absize = keylen + alignmask; + buffer = kmalloc(absize, GFP_ATOMIC); + if (!buffer) + return -ENOMEM; + + alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); + memcpy(alignbuffer, key, keylen); + ret = cipher->setkey(tfm, alignbuffer, keylen); + kfree_sensitive(buffer); + return ret; +} + +int crypto_lskcipher_setkey(struct crypto_lskcipher *tfm, const u8 *key, + unsigned int keylen) +{ + unsigned long alignmask = crypto_lskcipher_alignmask(tfm); + struct lskcipher_alg *cipher = crypto_lskcipher_alg(tfm); + + if (keylen < cipher->co.min_keysize || keylen > cipher->co.max_keysize) + return -EINVAL; + + if ((unsigned long)key & alignmask) + return lskcipher_setkey_unaligned(tfm, key, keylen); + else + return cipher->setkey(tfm, key, keylen); +} +EXPORT_SYMBOL_GPL(crypto_lskcipher_setkey); + +static int crypto_lskcipher_crypt_unaligned( + struct crypto_lskcipher *tfm, const u8 *src, u8 *dst, unsigned len, + u8 *iv, int (*crypt)(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned len, u8 *iv, u32 flags)) +{ + unsigned statesize = crypto_lskcipher_statesize(tfm); + unsigned ivsize = crypto_lskcipher_ivsize(tfm); + unsigned bs = crypto_lskcipher_blocksize(tfm); + unsigned cs = crypto_lskcipher_chunksize(tfm); + int err; + u8 *tiv; + u8 *p; + + BUILD_BUG_ON(MAX_CIPHER_BLOCKSIZE > PAGE_SIZE || + MAX_CIPHER_ALIGNMASK >= PAGE_SIZE); + + tiv = kmalloc(PAGE_SIZE, GFP_ATOMIC); + if (!tiv) + return -ENOMEM; + + memcpy(tiv, iv, ivsize + statesize); + + p = kmalloc(PAGE_SIZE, GFP_ATOMIC); + err = -ENOMEM; + if (!p) + goto out; + + while (len >= bs) { + unsigned chunk = min((unsigned)PAGE_SIZE, len); + int err; + + if (chunk > cs) + chunk &= ~(cs - 1); + + memcpy(p, src, chunk); + err = crypt(tfm, p, p, chunk, tiv, CRYPTO_LSKCIPHER_FLAG_FINAL); + if (err) + goto out; + + memcpy(dst, p, chunk); + src += chunk; + dst += chunk; + len -= chunk; + } + + err = len ? -EINVAL : 0; + +out: + memcpy(iv, tiv, ivsize + statesize); + kfree_sensitive(p); + kfree_sensitive(tiv); + return err; +} + +static int crypto_lskcipher_crypt(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned len, u8 *iv, + int (*crypt)(struct crypto_lskcipher *tfm, + const u8 *src, u8 *dst, + unsigned len, u8 *iv, + u32 flags)) +{ + unsigned long alignmask = crypto_lskcipher_alignmask(tfm); + + if (((unsigned long)src | (unsigned long)dst | (unsigned long)iv) & + alignmask) + return crypto_lskcipher_crypt_unaligned(tfm, src, dst, len, iv, + crypt); + + return crypt(tfm, src, dst, len, iv, CRYPTO_LSKCIPHER_FLAG_FINAL); +} + +int crypto_lskcipher_encrypt(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned len, u8 *iv) +{ + struct lskcipher_alg *alg = crypto_lskcipher_alg(tfm); + + return crypto_lskcipher_crypt(tfm, src, dst, len, iv, alg->encrypt); +} +EXPORT_SYMBOL_GPL(crypto_lskcipher_encrypt); + +int crypto_lskcipher_decrypt(struct crypto_lskcipher *tfm, const u8 *src, + u8 *dst, unsigned len, u8 *iv) +{ + struct lskcipher_alg *alg = crypto_lskcipher_alg(tfm); + + return crypto_lskcipher_crypt(tfm, src, dst, len, iv, alg->decrypt); +} +EXPORT_SYMBOL_GPL(crypto_lskcipher_decrypt); + +static int crypto_lskcipher_crypt_sg(struct skcipher_request *req, + int (*crypt)(struct crypto_lskcipher *tfm, + const u8 *src, u8 *dst, + unsigned len, u8 *ivs, + u32 flags)) +{ + struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); + struct crypto_lskcipher **ctx = crypto_skcipher_ctx(skcipher); + u8 *ivs = skcipher_request_ctx(req); + struct crypto_lskcipher *tfm = *ctx; + struct skcipher_walk walk; + unsigned ivsize; + u32 flags; + int err; + + ivsize = crypto_lskcipher_ivsize(tfm); + ivs = PTR_ALIGN(ivs, crypto_skcipher_alignmask(skcipher) + 1); + memcpy(ivs, req->iv, ivsize); + + flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP; + + if (req->base.flags & CRYPTO_SKCIPHER_REQ_CONT) + flags |= CRYPTO_LSKCIPHER_FLAG_CONT; + + if (!(req->base.flags & CRYPTO_SKCIPHER_REQ_NOTFINAL)) + flags |= CRYPTO_LSKCIPHER_FLAG_FINAL; + + err = skcipher_walk_virt(&walk, req, false); + + while (walk.nbytes) { + err = crypt(tfm, walk.src.virt.addr, walk.dst.virt.addr, + walk.nbytes, ivs, + flags & ~(walk.nbytes == walk.total ? + 0 : CRYPTO_LSKCIPHER_FLAG_FINAL)); + err = skcipher_walk_done(&walk, err); + flags |= CRYPTO_LSKCIPHER_FLAG_CONT; + } + + memcpy(req->iv, ivs, ivsize); + + return err; +} + +int crypto_lskcipher_encrypt_sg(struct skcipher_request *req) +{ + struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); + struct crypto_lskcipher **ctx = crypto_skcipher_ctx(skcipher); + struct lskcipher_alg *alg = crypto_lskcipher_alg(*ctx); + + return crypto_lskcipher_crypt_sg(req, alg->encrypt); +} + +int crypto_lskcipher_decrypt_sg(struct skcipher_request *req) +{ + struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); + struct crypto_lskcipher **ctx = crypto_skcipher_ctx(skcipher); + struct lskcipher_alg *alg = crypto_lskcipher_alg(*ctx); + + return crypto_lskcipher_crypt_sg(req, alg->decrypt); +} + +static void crypto_lskcipher_exit_tfm(struct crypto_tfm *tfm) +{ + struct crypto_lskcipher *skcipher = __crypto_lskcipher_cast(tfm); + struct lskcipher_alg *alg = crypto_lskcipher_alg(skcipher); + + alg->exit(skcipher); +} + +static int crypto_lskcipher_init_tfm(struct crypto_tfm *tfm) +{ + struct crypto_lskcipher *skcipher = __crypto_lskcipher_cast(tfm); + struct lskcipher_alg *alg = crypto_lskcipher_alg(skcipher); + + if (alg->exit) + skcipher->base.exit = crypto_lskcipher_exit_tfm; + + if (alg->init) + return alg->init(skcipher); + + return 0; +} + +static void crypto_lskcipher_free_instance(struct crypto_instance *inst) +{ + struct lskcipher_instance *skcipher = + container_of(inst, struct lskcipher_instance, s.base); + + skcipher->free(skcipher); +} + +static void __maybe_unused crypto_lskcipher_show( + struct seq_file *m, struct crypto_alg *alg) +{ + struct lskcipher_alg *skcipher = __crypto_lskcipher_alg(alg); + + seq_printf(m, "type : lskcipher\n"); + seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); + seq_printf(m, "min keysize : %u\n", skcipher->co.min_keysize); + seq_printf(m, "max keysize : %u\n", skcipher->co.max_keysize); + seq_printf(m, "ivsize : %u\n", skcipher->co.ivsize); + seq_printf(m, "chunksize : %u\n", skcipher->co.chunksize); + seq_printf(m, "statesize : %u\n", skcipher->co.statesize); +} + +static int __maybe_unused crypto_lskcipher_report( + struct sk_buff *skb, struct crypto_alg *alg) +{ + struct lskcipher_alg *skcipher = __crypto_lskcipher_alg(alg); + struct crypto_report_blkcipher rblkcipher; + + memset(&rblkcipher, 0, sizeof(rblkcipher)); + + strscpy(rblkcipher.type, "lskcipher", sizeof(rblkcipher.type)); + strscpy(rblkcipher.geniv, "<none>", sizeof(rblkcipher.geniv)); + + rblkcipher.blocksize = alg->cra_blocksize; + rblkcipher.min_keysize = skcipher->co.min_keysize; + rblkcipher.max_keysize = skcipher->co.max_keysize; + rblkcipher.ivsize = skcipher->co.ivsize; + + return nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER, + sizeof(rblkcipher), &rblkcipher); +} + +static const struct crypto_type crypto_lskcipher_type = { + .extsize = crypto_alg_extsize, + .init_tfm = crypto_lskcipher_init_tfm, + .free = crypto_lskcipher_free_instance, +#ifdef CONFIG_PROC_FS + .show = crypto_lskcipher_show, +#endif +#if IS_ENABLED(CONFIG_CRYPTO_USER) + .report = crypto_lskcipher_report, +#endif + .maskclear = ~CRYPTO_ALG_TYPE_MASK, + .maskset = CRYPTO_ALG_TYPE_MASK, + .type = CRYPTO_ALG_TYPE_LSKCIPHER, + .tfmsize = offsetof(struct crypto_lskcipher, base), + .algsize = offsetof(struct lskcipher_alg, co.base), +}; + +static void crypto_lskcipher_exit_tfm_sg(struct crypto_tfm *tfm) +{ + struct crypto_lskcipher **ctx = crypto_tfm_ctx(tfm); + + crypto_free_lskcipher(*ctx); +} + +int crypto_init_lskcipher_ops_sg(struct crypto_tfm *tfm) +{ + struct crypto_lskcipher **ctx = crypto_tfm_ctx(tfm); + struct crypto_alg *calg = tfm->__crt_alg; + struct crypto_lskcipher *skcipher; + + if (!crypto_mod_get(calg)) + return -EAGAIN; + + skcipher = crypto_create_tfm(calg, &crypto_lskcipher_type); + if (IS_ERR(skcipher)) { + crypto_mod_put(calg); + return PTR_ERR(skcipher); + } + + *ctx = skcipher; + tfm->exit = crypto_lskcipher_exit_tfm_sg; + + return 0; +} + +int crypto_grab_lskcipher(struct crypto_lskcipher_spawn *spawn, + struct crypto_instance *inst, + const char *name, u32 type, u32 mask) +{ + spawn->base.frontend = &crypto_lskcipher_type; + return crypto_grab_spawn(&spawn->base, inst, name, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_grab_lskcipher); + +struct crypto_lskcipher *crypto_alloc_lskcipher(const char *alg_name, + u32 type, u32 mask) +{ + return crypto_alloc_tfm(alg_name, &crypto_lskcipher_type, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_alloc_lskcipher); + +static int lskcipher_prepare_alg(struct lskcipher_alg *alg) +{ + struct crypto_alg *base = &alg->co.base; + int err; + + err = skcipher_prepare_alg_common(&alg->co); + if (err) + return err; + + if (alg->co.chunksize & (alg->co.chunksize - 1)) + return -EINVAL; + + base->cra_type = &crypto_lskcipher_type; + base->cra_flags |= CRYPTO_ALG_TYPE_LSKCIPHER; + + return 0; +} + +int crypto_register_lskcipher(struct lskcipher_alg *alg) +{ + struct crypto_alg *base = &alg->co.base; + int err; + + err = lskcipher_prepare_alg(alg); + if (err) + return err; + + return crypto_register_alg(base); +} +EXPORT_SYMBOL_GPL(crypto_register_lskcipher); + +void crypto_unregister_lskcipher(struct lskcipher_alg *alg) +{ + crypto_unregister_alg(&alg->co.base); +} +EXPORT_SYMBOL_GPL(crypto_unregister_lskcipher); + +int crypto_register_lskciphers(struct lskcipher_alg *algs, int count) +{ + int i, ret; + + for (i = 0; i < count; i++) { + ret = crypto_register_lskcipher(&algs[i]); + if (ret) + goto err; + } + + return 0; + +err: + for (--i; i >= 0; --i) + crypto_unregister_lskcipher(&algs[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_register_lskciphers); + +void crypto_unregister_lskciphers(struct lskcipher_alg *algs, int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_unregister_lskcipher(&algs[i]); +} +EXPORT_SYMBOL_GPL(crypto_unregister_lskciphers); + +int lskcipher_register_instance(struct crypto_template *tmpl, + struct lskcipher_instance *inst) +{ + int err; + + if (WARN_ON(!inst->free)) + return -EINVAL; + + err = lskcipher_prepare_alg(&inst->alg); + if (err) + return err; + + return crypto_register_instance(tmpl, lskcipher_crypto_instance(inst)); +} +EXPORT_SYMBOL_GPL(lskcipher_register_instance); + +static int lskcipher_setkey_simple(struct crypto_lskcipher *tfm, const u8 *key, + unsigned int keylen) +{ + struct crypto_lskcipher *cipher = lskcipher_cipher_simple(tfm); + + crypto_lskcipher_clear_flags(cipher, CRYPTO_TFM_REQ_MASK); + crypto_lskcipher_set_flags(cipher, crypto_lskcipher_get_flags(tfm) & + CRYPTO_TFM_REQ_MASK); + return crypto_lskcipher_setkey(cipher, key, keylen); +} + +static int lskcipher_init_tfm_simple(struct crypto_lskcipher *tfm) +{ + struct lskcipher_instance *inst = lskcipher_alg_instance(tfm); + struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm); + struct crypto_lskcipher_spawn *spawn; + struct crypto_lskcipher *cipher; + + spawn = lskcipher_instance_ctx(inst); + cipher = crypto_spawn_lskcipher(spawn); + if (IS_ERR(cipher)) + return PTR_ERR(cipher); + + *ctx = cipher; + return 0; +} + +static void lskcipher_exit_tfm_simple(struct crypto_lskcipher *tfm) +{ + struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm); + + crypto_free_lskcipher(*ctx); +} + +static void lskcipher_free_instance_simple(struct lskcipher_instance *inst) +{ + crypto_drop_lskcipher(lskcipher_instance_ctx(inst)); + kfree(inst); +} + +/** + * lskcipher_alloc_instance_simple - allocate instance of simple block cipher + * + * Allocate an lskcipher_instance for a simple block cipher mode of operation, + * e.g. cbc or ecb. The instance context will have just a single crypto_spawn, + * that for the underlying cipher. The {min,max}_keysize, ivsize, blocksize, + * alignmask, and priority are set from the underlying cipher but can be + * overridden if needed. The tfm context defaults to + * struct crypto_lskcipher *, and default ->setkey(), ->init(), and + * ->exit() methods are installed. + * + * @tmpl: the template being instantiated + * @tb: the template parameters + * + * Return: a pointer to the new instance, or an ERR_PTR(). The caller still + * needs to register the instance. + */ +struct lskcipher_instance *lskcipher_alloc_instance_simple( + struct crypto_template *tmpl, struct rtattr **tb) +{ + u32 mask; + struct lskcipher_instance *inst; + struct crypto_lskcipher_spawn *spawn; + char ecb_name[CRYPTO_MAX_ALG_NAME]; + struct lskcipher_alg *cipher_alg; + const char *cipher_name; + int err; + + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_LSKCIPHER, &mask); + if (err) + return ERR_PTR(err); + + cipher_name = crypto_attr_alg_name(tb[1]); + if (IS_ERR(cipher_name)) + return ERR_CAST(cipher_name); + + inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); + if (!inst) + return ERR_PTR(-ENOMEM); + + spawn = lskcipher_instance_ctx(inst); + err = crypto_grab_lskcipher(spawn, + lskcipher_crypto_instance(inst), + cipher_name, 0, mask); + + ecb_name[0] = 0; + if (err == -ENOENT && !!memcmp(tmpl->name, "ecb", 4)) { + err = -ENAMETOOLONG; + if (snprintf(ecb_name, CRYPTO_MAX_ALG_NAME, "ecb(%s)", + cipher_name) >= CRYPTO_MAX_ALG_NAME) + goto err_free_inst; + + err = crypto_grab_lskcipher(spawn, + lskcipher_crypto_instance(inst), + ecb_name, 0, mask); + } + + if (err) + goto err_free_inst; + + cipher_alg = crypto_lskcipher_spawn_alg(spawn); + + err = crypto_inst_setname(lskcipher_crypto_instance(inst), tmpl->name, + &cipher_alg->co.base); + if (err) + goto err_free_inst; + + if (ecb_name[0]) { + int len; + + err = -EINVAL; + len = strscpy(ecb_name, &cipher_alg->co.base.cra_name[4], + sizeof(ecb_name)); + if (len < 2) + goto err_free_inst; + + if (ecb_name[len - 1] != ')') + goto err_free_inst; + + ecb_name[len - 1] = 0; + + err = -ENAMETOOLONG; + if (snprintf(inst->alg.co.base.cra_name, CRYPTO_MAX_ALG_NAME, + "%s(%s)", tmpl->name, ecb_name) >= + CRYPTO_MAX_ALG_NAME) + goto err_free_inst; + + if (strcmp(ecb_name, cipher_name) && + snprintf(inst->alg.co.base.cra_driver_name, + CRYPTO_MAX_ALG_NAME, + "%s(%s)", tmpl->name, cipher_name) >= + CRYPTO_MAX_ALG_NAME) + goto err_free_inst; + } else { + /* Don't allow nesting. */ + err = -ELOOP; + if ((cipher_alg->co.base.cra_flags & CRYPTO_ALG_INSTANCE)) + goto err_free_inst; + } + + err = -EINVAL; + if (cipher_alg->co.ivsize) + goto err_free_inst; + + inst->free = lskcipher_free_instance_simple; + + /* Default algorithm properties, can be overridden */ + inst->alg.co.base.cra_blocksize = cipher_alg->co.base.cra_blocksize; + inst->alg.co.base.cra_alignmask = cipher_alg->co.base.cra_alignmask; + inst->alg.co.base.cra_priority = cipher_alg->co.base.cra_priority; + inst->alg.co.min_keysize = cipher_alg->co.min_keysize; + inst->alg.co.max_keysize = cipher_alg->co.max_keysize; + inst->alg.co.ivsize = cipher_alg->co.base.cra_blocksize; + inst->alg.co.statesize = cipher_alg->co.statesize; + + /* Use struct crypto_lskcipher * by default, can be overridden */ + inst->alg.co.base.cra_ctxsize = sizeof(struct crypto_lskcipher *); + inst->alg.setkey = lskcipher_setkey_simple; + inst->alg.init = lskcipher_init_tfm_simple; + inst->alg.exit = lskcipher_exit_tfm_simple; + + return inst; + +err_free_inst: + lskcipher_free_instance_simple(inst); + return ERR_PTR(err); +} +EXPORT_SYMBOL_GPL(lskcipher_alloc_instance_simple); diff --git a/crypto/lz4.c b/crypto/lz4.c index 0606f8862e78..57b713516aef 100644 --- a/crypto/lz4.c +++ b/crypto/lz4.c @@ -12,11 +12,7 @@ #include <linux/lz4.h> #include <crypto/internal/scompress.h> -struct lz4_ctx { - void *lz4_comp_mem; -}; - -static void *lz4_alloc_ctx(struct crypto_scomp *tfm) +static void *lz4_alloc_ctx(void) { void *ctx; @@ -27,29 +23,11 @@ static void *lz4_alloc_ctx(struct crypto_scomp *tfm) return ctx; } -static int lz4_init(struct crypto_tfm *tfm) -{ - struct lz4_ctx *ctx = crypto_tfm_ctx(tfm); - - ctx->lz4_comp_mem = lz4_alloc_ctx(NULL); - if (IS_ERR(ctx->lz4_comp_mem)) - return -ENOMEM; - - return 0; -} - -static void lz4_free_ctx(struct crypto_scomp *tfm, void *ctx) +static void lz4_free_ctx(void *ctx) { vfree(ctx); } -static void lz4_exit(struct crypto_tfm *tfm) -{ - struct lz4_ctx *ctx = crypto_tfm_ctx(tfm); - - lz4_free_ctx(NULL, ctx->lz4_comp_mem); -} - static int __lz4_compress_crypto(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) { @@ -70,14 +48,6 @@ static int lz4_scompress(struct crypto_scomp *tfm, const u8 *src, return __lz4_compress_crypto(src, slen, dst, dlen, ctx); } -static int lz4_compress_crypto(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - struct lz4_ctx *ctx = crypto_tfm_ctx(tfm); - - return __lz4_compress_crypto(src, slen, dst, dlen, ctx->lz4_comp_mem); -} - static int __lz4_decompress_crypto(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) { @@ -97,29 +67,11 @@ static int lz4_sdecompress(struct crypto_scomp *tfm, const u8 *src, return __lz4_decompress_crypto(src, slen, dst, dlen, NULL); } -static int lz4_decompress_crypto(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, - unsigned int *dlen) -{ - return __lz4_decompress_crypto(src, slen, dst, dlen, NULL); -} - -static struct crypto_alg alg_lz4 = { - .cra_name = "lz4", - .cra_driver_name = "lz4-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct lz4_ctx), - .cra_module = THIS_MODULE, - .cra_init = lz4_init, - .cra_exit = lz4_exit, - .cra_u = { .compress = { - .coa_compress = lz4_compress_crypto, - .coa_decompress = lz4_decompress_crypto } } -}; - static struct scomp_alg scomp = { - .alloc_ctx = lz4_alloc_ctx, - .free_ctx = lz4_free_ctx, + .streams = { + .alloc_ctx = lz4_alloc_ctx, + .free_ctx = lz4_free_ctx, + }, .compress = lz4_scompress, .decompress = lz4_sdecompress, .base = { @@ -131,28 +83,15 @@ static struct scomp_alg scomp = { static int __init lz4_mod_init(void) { - int ret; - - ret = crypto_register_alg(&alg_lz4); - if (ret) - return ret; - - ret = crypto_register_scomp(&scomp); - if (ret) { - crypto_unregister_alg(&alg_lz4); - return ret; - } - - return ret; + return crypto_register_scomp(&scomp); } static void __exit lz4_mod_fini(void) { - crypto_unregister_alg(&alg_lz4); crypto_unregister_scomp(&scomp); } -subsys_initcall(lz4_mod_init); +module_init(lz4_mod_init); module_exit(lz4_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/lz4hc.c b/crypto/lz4hc.c index d7cc94aa2fcf..bb84f8a68cb5 100644 --- a/crypto/lz4hc.c +++ b/crypto/lz4hc.c @@ -4,18 +4,13 @@ * * Copyright (c) 2013 Chanho Min <chanho.min@lge.com> */ +#include <crypto/internal/scompress.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/crypto.h> #include <linux/vmalloc.h> #include <linux/lz4.h> -#include <crypto/internal/scompress.h> - -struct lz4hc_ctx { - void *lz4hc_comp_mem; -}; -static void *lz4hc_alloc_ctx(struct crypto_scomp *tfm) +static void *lz4hc_alloc_ctx(void) { void *ctx; @@ -26,29 +21,11 @@ static void *lz4hc_alloc_ctx(struct crypto_scomp *tfm) return ctx; } -static int lz4hc_init(struct crypto_tfm *tfm) -{ - struct lz4hc_ctx *ctx = crypto_tfm_ctx(tfm); - - ctx->lz4hc_comp_mem = lz4hc_alloc_ctx(NULL); - if (IS_ERR(ctx->lz4hc_comp_mem)) - return -ENOMEM; - - return 0; -} - -static void lz4hc_free_ctx(struct crypto_scomp *tfm, void *ctx) +static void lz4hc_free_ctx(void *ctx) { vfree(ctx); } -static void lz4hc_exit(struct crypto_tfm *tfm) -{ - struct lz4hc_ctx *ctx = crypto_tfm_ctx(tfm); - - lz4hc_free_ctx(NULL, ctx->lz4hc_comp_mem); -} - static int __lz4hc_compress_crypto(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) { @@ -69,16 +46,6 @@ static int lz4hc_scompress(struct crypto_scomp *tfm, const u8 *src, return __lz4hc_compress_crypto(src, slen, dst, dlen, ctx); } -static int lz4hc_compress_crypto(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, - unsigned int *dlen) -{ - struct lz4hc_ctx *ctx = crypto_tfm_ctx(tfm); - - return __lz4hc_compress_crypto(src, slen, dst, dlen, - ctx->lz4hc_comp_mem); -} - static int __lz4hc_decompress_crypto(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) { @@ -98,29 +65,11 @@ static int lz4hc_sdecompress(struct crypto_scomp *tfm, const u8 *src, return __lz4hc_decompress_crypto(src, slen, dst, dlen, NULL); } -static int lz4hc_decompress_crypto(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, - unsigned int *dlen) -{ - return __lz4hc_decompress_crypto(src, slen, dst, dlen, NULL); -} - -static struct crypto_alg alg_lz4hc = { - .cra_name = "lz4hc", - .cra_driver_name = "lz4hc-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct lz4hc_ctx), - .cra_module = THIS_MODULE, - .cra_init = lz4hc_init, - .cra_exit = lz4hc_exit, - .cra_u = { .compress = { - .coa_compress = lz4hc_compress_crypto, - .coa_decompress = lz4hc_decompress_crypto } } -}; - static struct scomp_alg scomp = { - .alloc_ctx = lz4hc_alloc_ctx, - .free_ctx = lz4hc_free_ctx, + .streams = { + .alloc_ctx = lz4hc_alloc_ctx, + .free_ctx = lz4hc_free_ctx, + }, .compress = lz4hc_scompress, .decompress = lz4hc_sdecompress, .base = { @@ -132,28 +81,15 @@ static struct scomp_alg scomp = { static int __init lz4hc_mod_init(void) { - int ret; - - ret = crypto_register_alg(&alg_lz4hc); - if (ret) - return ret; - - ret = crypto_register_scomp(&scomp); - if (ret) { - crypto_unregister_alg(&alg_lz4hc); - return ret; - } - - return ret; + return crypto_register_scomp(&scomp); } static void __exit lz4hc_mod_fini(void) { - crypto_unregister_alg(&alg_lz4hc); crypto_unregister_scomp(&scomp); } -subsys_initcall(lz4hc_mod_init); +module_init(lz4hc_mod_init); module_exit(lz4hc_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/lzo-rle.c b/crypto/lzo-rle.c index 0631d975bfac..794e7ec49536 100644 --- a/crypto/lzo-rle.c +++ b/crypto/lzo-rle.c @@ -3,19 +3,13 @@ * Cryptographic API. */ +#include <crypto/internal/scompress.h> #include <linux/init.h> -#include <linux/module.h> -#include <linux/crypto.h> -#include <linux/vmalloc.h> -#include <linux/mm.h> #include <linux/lzo.h> -#include <crypto/internal/scompress.h> - -struct lzorle_ctx { - void *lzorle_comp_mem; -}; +#include <linux/module.h> +#include <linux/slab.h> -static void *lzorle_alloc_ctx(struct crypto_scomp *tfm) +static void *lzorle_alloc_ctx(void) { void *ctx; @@ -26,36 +20,18 @@ static void *lzorle_alloc_ctx(struct crypto_scomp *tfm) return ctx; } -static int lzorle_init(struct crypto_tfm *tfm) -{ - struct lzorle_ctx *ctx = crypto_tfm_ctx(tfm); - - ctx->lzorle_comp_mem = lzorle_alloc_ctx(NULL); - if (IS_ERR(ctx->lzorle_comp_mem)) - return -ENOMEM; - - return 0; -} - -static void lzorle_free_ctx(struct crypto_scomp *tfm, void *ctx) +static void lzorle_free_ctx(void *ctx) { kvfree(ctx); } -static void lzorle_exit(struct crypto_tfm *tfm) -{ - struct lzorle_ctx *ctx = crypto_tfm_ctx(tfm); - - lzorle_free_ctx(NULL, ctx->lzorle_comp_mem); -} - static int __lzorle_compress(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) { size_t tmp_len = *dlen; /* size_t(ulong) <-> uint on 64 bit */ int err; - err = lzorle1x_1_compress(src, slen, dst, &tmp_len, ctx); + err = lzorle1x_1_compress_safe(src, slen, dst, &tmp_len, ctx); if (err != LZO_E_OK) return -EINVAL; @@ -64,14 +40,6 @@ static int __lzorle_compress(const u8 *src, unsigned int slen, return 0; } -static int lzorle_compress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - struct lzorle_ctx *ctx = crypto_tfm_ctx(tfm); - - return __lzorle_compress(src, slen, dst, dlen, ctx->lzorle_comp_mem); -} - static int lzorle_scompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -94,12 +62,6 @@ static int __lzorle_decompress(const u8 *src, unsigned int slen, return 0; } -static int lzorle_decompress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - return __lzorle_decompress(src, slen, dst, dlen); -} - static int lzorle_sdecompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -107,22 +69,11 @@ static int lzorle_sdecompress(struct crypto_scomp *tfm, const u8 *src, return __lzorle_decompress(src, slen, dst, dlen); } -static struct crypto_alg alg = { - .cra_name = "lzo-rle", - .cra_driver_name = "lzo-rle-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct lzorle_ctx), - .cra_module = THIS_MODULE, - .cra_init = lzorle_init, - .cra_exit = lzorle_exit, - .cra_u = { .compress = { - .coa_compress = lzorle_compress, - .coa_decompress = lzorle_decompress } } -}; - static struct scomp_alg scomp = { - .alloc_ctx = lzorle_alloc_ctx, - .free_ctx = lzorle_free_ctx, + .streams = { + .alloc_ctx = lzorle_alloc_ctx, + .free_ctx = lzorle_free_ctx, + }, .compress = lzorle_scompress, .decompress = lzorle_sdecompress, .base = { @@ -134,28 +85,15 @@ static struct scomp_alg scomp = { static int __init lzorle_mod_init(void) { - int ret; - - ret = crypto_register_alg(&alg); - if (ret) - return ret; - - ret = crypto_register_scomp(&scomp); - if (ret) { - crypto_unregister_alg(&alg); - return ret; - } - - return ret; + return crypto_register_scomp(&scomp); } static void __exit lzorle_mod_fini(void) { - crypto_unregister_alg(&alg); crypto_unregister_scomp(&scomp); } -subsys_initcall(lzorle_mod_init); +module_init(lzorle_mod_init); module_exit(lzorle_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/lzo.c b/crypto/lzo.c index ebda132dd22b..d43242b24b4e 100644 --- a/crypto/lzo.c +++ b/crypto/lzo.c @@ -3,19 +3,13 @@ * Cryptographic API. */ +#include <crypto/internal/scompress.h> #include <linux/init.h> -#include <linux/module.h> -#include <linux/crypto.h> -#include <linux/vmalloc.h> -#include <linux/mm.h> #include <linux/lzo.h> -#include <crypto/internal/scompress.h> - -struct lzo_ctx { - void *lzo_comp_mem; -}; +#include <linux/module.h> +#include <linux/slab.h> -static void *lzo_alloc_ctx(struct crypto_scomp *tfm) +static void *lzo_alloc_ctx(void) { void *ctx; @@ -26,36 +20,18 @@ static void *lzo_alloc_ctx(struct crypto_scomp *tfm) return ctx; } -static int lzo_init(struct crypto_tfm *tfm) -{ - struct lzo_ctx *ctx = crypto_tfm_ctx(tfm); - - ctx->lzo_comp_mem = lzo_alloc_ctx(NULL); - if (IS_ERR(ctx->lzo_comp_mem)) - return -ENOMEM; - - return 0; -} - -static void lzo_free_ctx(struct crypto_scomp *tfm, void *ctx) +static void lzo_free_ctx(void *ctx) { kvfree(ctx); } -static void lzo_exit(struct crypto_tfm *tfm) -{ - struct lzo_ctx *ctx = crypto_tfm_ctx(tfm); - - lzo_free_ctx(NULL, ctx->lzo_comp_mem); -} - static int __lzo_compress(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) { size_t tmp_len = *dlen; /* size_t(ulong) <-> uint on 64 bit */ int err; - err = lzo1x_1_compress(src, slen, dst, &tmp_len, ctx); + err = lzo1x_1_compress_safe(src, slen, dst, &tmp_len, ctx); if (err != LZO_E_OK) return -EINVAL; @@ -64,14 +40,6 @@ static int __lzo_compress(const u8 *src, unsigned int slen, return 0; } -static int lzo_compress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - struct lzo_ctx *ctx = crypto_tfm_ctx(tfm); - - return __lzo_compress(src, slen, dst, dlen, ctx->lzo_comp_mem); -} - static int lzo_scompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -94,12 +62,6 @@ static int __lzo_decompress(const u8 *src, unsigned int slen, return 0; } -static int lzo_decompress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - return __lzo_decompress(src, slen, dst, dlen); -} - static int lzo_sdecompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -107,22 +69,11 @@ static int lzo_sdecompress(struct crypto_scomp *tfm, const u8 *src, return __lzo_decompress(src, slen, dst, dlen); } -static struct crypto_alg alg = { - .cra_name = "lzo", - .cra_driver_name = "lzo-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct lzo_ctx), - .cra_module = THIS_MODULE, - .cra_init = lzo_init, - .cra_exit = lzo_exit, - .cra_u = { .compress = { - .coa_compress = lzo_compress, - .coa_decompress = lzo_decompress } } -}; - static struct scomp_alg scomp = { - .alloc_ctx = lzo_alloc_ctx, - .free_ctx = lzo_free_ctx, + .streams = { + .alloc_ctx = lzo_alloc_ctx, + .free_ctx = lzo_free_ctx, + }, .compress = lzo_scompress, .decompress = lzo_sdecompress, .base = { @@ -134,28 +85,15 @@ static struct scomp_alg scomp = { static int __init lzo_mod_init(void) { - int ret; - - ret = crypto_register_alg(&alg); - if (ret) - return ret; - - ret = crypto_register_scomp(&scomp); - if (ret) { - crypto_unregister_alg(&alg); - return ret; - } - - return ret; + return crypto_register_scomp(&scomp); } static void __exit lzo_mod_fini(void) { - crypto_unregister_alg(&alg); crypto_unregister_scomp(&scomp); } -subsys_initcall(lzo_mod_init); +module_init(lzo_mod_init); module_exit(lzo_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/md4.c b/crypto/md4.c index 2e7f2f319f95..55bf47e23c13 100644 --- a/crypto/md4.c +++ b/crypto/md4.c @@ -233,7 +233,7 @@ static void __exit md4_mod_fini(void) crypto_unregister_shash(&alg); } -subsys_initcall(md4_mod_init); +module_init(md4_mod_init); module_exit(md4_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/md5.c b/crypto/md5.c index 72c0c46fb5ee..c167d203c710 100644 --- a/crypto/md5.c +++ b/crypto/md5.c @@ -1,27 +1,62 @@ -/* - * Cryptographic API. - * - * MD5 Message Digest Algorithm (RFC1321). - * - * Derived from cryptoapi implementation, originally based on the - * public domain implementation written by Colin Plumb in 1993. - * - * Copyright (c) Cryptoapi developers. - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Crypto API support for MD5 and HMAC-MD5 * + * Copyright 2025 Google LLC */ #include <crypto/internal/hash.h> #include <crypto/md5.h> -#include <linux/init.h> +#include <linux/kernel.h> #include <linux/module.h> -#include <linux/string.h> -#include <linux/types.h> -#include <asm/byteorder.h> + +/* + * Export and import functions. crypto_shash wants a particular format that + * matches that used by some legacy drivers. It currently is the same as the + * library MD5 context, except the value in bytecount must be block-aligned and + * the remainder must be stored in an extra u8 appended to the struct. + */ + +#define MD5_SHASH_STATE_SIZE (sizeof(struct md5_ctx) + 1) +static_assert(sizeof(struct md5_ctx) == sizeof(struct md5_state)); +static_assert(offsetof(struct md5_ctx, state) == offsetof(struct md5_state, hash)); +static_assert(offsetof(struct md5_ctx, bytecount) == offsetof(struct md5_state, byte_count)); +static_assert(offsetof(struct md5_ctx, buf) == offsetof(struct md5_state, block)); + +static int __crypto_md5_export(const struct md5_ctx *ctx0, void *out) +{ + struct md5_ctx ctx = *ctx0; + unsigned int partial; + u8 *p = out; + + partial = ctx.bytecount % MD5_BLOCK_SIZE; + ctx.bytecount -= partial; + memcpy(p, &ctx, sizeof(ctx)); + p += sizeof(ctx); + *p = partial; + return 0; +} + +static int __crypto_md5_import(struct md5_ctx *ctx, const void *in) +{ + const u8 *p = in; + + memcpy(ctx, p, sizeof(*ctx)); + p += sizeof(*ctx); + ctx->bytecount += *p; + return 0; +} + +static int __crypto_md5_export_core(const struct md5_ctx *ctx, void *out) +{ + memcpy(out, ctx, offsetof(struct md5_ctx, buf)); + return 0; +} + +static int __crypto_md5_import_core(struct md5_ctx *ctx, const void *in) +{ + memcpy(ctx, in, offsetof(struct md5_ctx, buf)); + return 0; +} const u8 md5_zero_message_hash[MD5_DIGEST_SIZE] = { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, @@ -29,222 +64,173 @@ const u8 md5_zero_message_hash[MD5_DIGEST_SIZE] = { }; EXPORT_SYMBOL_GPL(md5_zero_message_hash); -#define F1(x, y, z) (z ^ (x & (y ^ z))) -#define F2(x, y, z) F1(z, x, y) -#define F3(x, y, z) (x ^ y ^ z) -#define F4(x, y, z) (y ^ (x | ~z)) - -#define MD5STEP(f, w, x, y, z, in, s) \ - (w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x) - -static void md5_transform(__u32 *hash, __u32 const *in) -{ - u32 a, b, c, d; - - a = hash[0]; - b = hash[1]; - c = hash[2]; - d = hash[3]; - - MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); - MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); - MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); - MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); - MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); - MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); - MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); - MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); - MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); - MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); - MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); - MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); - MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); - MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); - MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); - MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); - - MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); - MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); - MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); - MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); - MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); - MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); - MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); - MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); - MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); - MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); - MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); - MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); - MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); - MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); - MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); - MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); - - MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); - MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); - MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); - MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); - MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); - MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); - MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); - MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); - MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); - MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); - MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); - MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); - MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); - MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); - MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); - MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); - - MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); - MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); - MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); - MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); - MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); - MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); - MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); - MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); - MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); - MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); - MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); - MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); - MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); - MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); - MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); - MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); - - hash[0] += a; - hash[1] += b; - hash[2] += c; - hash[3] += d; -} - -static inline void md5_transform_helper(struct md5_state *ctx) -{ - le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32)); - md5_transform(ctx->hash, ctx->block); -} - -static int md5_init(struct shash_desc *desc) -{ - struct md5_state *mctx = shash_desc_ctx(desc); - - mctx->hash[0] = MD5_H0; - mctx->hash[1] = MD5_H1; - mctx->hash[2] = MD5_H2; - mctx->hash[3] = MD5_H3; - mctx->byte_count = 0; +#define MD5_CTX(desc) ((struct md5_ctx *)shash_desc_ctx(desc)) +static int crypto_md5_init(struct shash_desc *desc) +{ + md5_init(MD5_CTX(desc)); return 0; } -static int md5_update(struct shash_desc *desc, const u8 *data, unsigned int len) +static int crypto_md5_update(struct shash_desc *desc, + const u8 *data, unsigned int len) { - struct md5_state *mctx = shash_desc_ctx(desc); - const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); + md5_update(MD5_CTX(desc), data, len); + return 0; +} - mctx->byte_count += len; +static int crypto_md5_final(struct shash_desc *desc, u8 *out) +{ + md5_final(MD5_CTX(desc), out); + return 0; +} - if (avail > len) { - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, len); - return 0; - } +static int crypto_md5_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + md5(data, len, out); + return 0; +} - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, avail); +static int crypto_md5_export(struct shash_desc *desc, void *out) +{ + return __crypto_md5_export(MD5_CTX(desc), out); +} - md5_transform_helper(mctx); - data += avail; - len -= avail; +static int crypto_md5_import(struct shash_desc *desc, const void *in) +{ + return __crypto_md5_import(MD5_CTX(desc), in); +} - while (len >= sizeof(mctx->block)) { - memcpy(mctx->block, data, sizeof(mctx->block)); - md5_transform_helper(mctx); - data += sizeof(mctx->block); - len -= sizeof(mctx->block); - } +static int crypto_md5_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_md5_export_core(MD5_CTX(desc), out); +} - memcpy(mctx->block, data, len); +static int crypto_md5_import_core(struct shash_desc *desc, const void *in) +{ + return __crypto_md5_import_core(MD5_CTX(desc), in); +} + +#define HMAC_MD5_KEY(tfm) ((struct hmac_md5_key *)crypto_shash_ctx(tfm)) +#define HMAC_MD5_CTX(desc) ((struct hmac_md5_ctx *)shash_desc_ctx(desc)) +static int crypto_hmac_md5_setkey(struct crypto_shash *tfm, + const u8 *raw_key, unsigned int keylen) +{ + hmac_md5_preparekey(HMAC_MD5_KEY(tfm), raw_key, keylen); return 0; } -static int md5_final(struct shash_desc *desc, u8 *out) +static int crypto_hmac_md5_init(struct shash_desc *desc) { - struct md5_state *mctx = shash_desc_ctx(desc); - const unsigned int offset = mctx->byte_count & 0x3f; - char *p = (char *)mctx->block + offset; - int padding = 56 - (offset + 1); + hmac_md5_init(HMAC_MD5_CTX(desc), HMAC_MD5_KEY(desc->tfm)); + return 0; +} - *p++ = 0x80; - if (padding < 0) { - memset(p, 0x00, padding + sizeof (u64)); - md5_transform_helper(mctx); - p = (char *)mctx->block; - padding = 56; - } +static int crypto_hmac_md5_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + hmac_md5_update(HMAC_MD5_CTX(desc), data, len); + return 0; +} - memset(p, 0, padding); - mctx->block[14] = mctx->byte_count << 3; - mctx->block[15] = mctx->byte_count >> 29; - le32_to_cpu_array(mctx->block, (sizeof(mctx->block) - - sizeof(u64)) / sizeof(u32)); - md5_transform(mctx->hash, mctx->block); - cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(u32)); - memcpy(out, mctx->hash, sizeof(mctx->hash)); - memset(mctx, 0, sizeof(*mctx)); +static int crypto_hmac_md5_final(struct shash_desc *desc, u8 *out) +{ + hmac_md5_final(HMAC_MD5_CTX(desc), out); + return 0; +} +static int crypto_hmac_md5_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + hmac_md5(HMAC_MD5_KEY(desc->tfm), data, len, out); return 0; } -static int md5_export(struct shash_desc *desc, void *out) +static int crypto_hmac_md5_export(struct shash_desc *desc, void *out) { - struct md5_state *ctx = shash_desc_ctx(desc); + return __crypto_md5_export(&HMAC_MD5_CTX(desc)->hash_ctx, out); +} - memcpy(out, ctx, sizeof(*ctx)); - return 0; +static int crypto_hmac_md5_import(struct shash_desc *desc, const void *in) +{ + struct hmac_md5_ctx *ctx = HMAC_MD5_CTX(desc); + + ctx->ostate = HMAC_MD5_KEY(desc->tfm)->ostate; + return __crypto_md5_import(&ctx->hash_ctx, in); } -static int md5_import(struct shash_desc *desc, const void *in) +static int crypto_hmac_md5_export_core(struct shash_desc *desc, void *out) { - struct md5_state *ctx = shash_desc_ctx(desc); + return __crypto_md5_export_core(&HMAC_MD5_CTX(desc)->hash_ctx, out); +} - memcpy(ctx, in, sizeof(*ctx)); - return 0; +static int crypto_hmac_md5_import_core(struct shash_desc *desc, const void *in) +{ + struct hmac_md5_ctx *ctx = HMAC_MD5_CTX(desc); + + ctx->ostate = HMAC_MD5_KEY(desc->tfm)->ostate; + return __crypto_md5_import_core(&ctx->hash_ctx, in); } -static struct shash_alg alg = { - .digestsize = MD5_DIGEST_SIZE, - .init = md5_init, - .update = md5_update, - .final = md5_final, - .export = md5_export, - .import = md5_import, - .descsize = sizeof(struct md5_state), - .statesize = sizeof(struct md5_state), - .base = { - .cra_name = "md5", - .cra_driver_name = "md5-generic", - .cra_blocksize = MD5_HMAC_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } +static struct shash_alg algs[] = { + { + .base.cra_name = "md5", + .base.cra_driver_name = "md5-lib", + .base.cra_priority = 300, + .base.cra_blocksize = MD5_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + .digestsize = MD5_DIGEST_SIZE, + .init = crypto_md5_init, + .update = crypto_md5_update, + .final = crypto_md5_final, + .digest = crypto_md5_digest, + .export = crypto_md5_export, + .import = crypto_md5_import, + .export_core = crypto_md5_export_core, + .import_core = crypto_md5_import_core, + .descsize = sizeof(struct md5_ctx), + .statesize = MD5_SHASH_STATE_SIZE, + }, + { + .base.cra_name = "hmac(md5)", + .base.cra_driver_name = "hmac-md5-lib", + .base.cra_priority = 300, + .base.cra_blocksize = MD5_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct hmac_md5_key), + .base.cra_module = THIS_MODULE, + .digestsize = MD5_DIGEST_SIZE, + .setkey = crypto_hmac_md5_setkey, + .init = crypto_hmac_md5_init, + .update = crypto_hmac_md5_update, + .final = crypto_hmac_md5_final, + .digest = crypto_hmac_md5_digest, + .export = crypto_hmac_md5_export, + .import = crypto_hmac_md5_import, + .export_core = crypto_hmac_md5_export_core, + .import_core = crypto_hmac_md5_import_core, + .descsize = sizeof(struct hmac_md5_ctx), + .statesize = MD5_SHASH_STATE_SIZE, + }, }; -static int __init md5_mod_init(void) +static int __init crypto_md5_mod_init(void) { - return crypto_register_shash(&alg); + return crypto_register_shashes(algs, ARRAY_SIZE(algs)); } +module_init(crypto_md5_mod_init); -static void __exit md5_mod_fini(void) +static void __exit crypto_md5_mod_exit(void) { - crypto_unregister_shash(&alg); + crypto_unregister_shashes(algs, ARRAY_SIZE(algs)); } - -subsys_initcall(md5_mod_init); -module_exit(md5_mod_fini); +module_exit(crypto_md5_mod_exit); MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("MD5 Message Digest Algorithm"); +MODULE_DESCRIPTION("Crypto API support for MD5 and HMAC-MD5"); + MODULE_ALIAS_CRYPTO("md5"); +MODULE_ALIAS_CRYPTO("md5-lib"); +MODULE_ALIAS_CRYPTO("hmac(md5)"); +MODULE_ALIAS_CRYPTO("hmac-md5-lib"); diff --git a/crypto/michael_mic.c b/crypto/michael_mic.c index f4c31049601c..69ad35f524d7 100644 --- a/crypto/michael_mic.c +++ b/crypto/michael_mic.c @@ -7,7 +7,7 @@ * Copyright (c) 2004 Jouni Malinen <j@w1.fi> */ #include <crypto/internal/hash.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/init.h> #include <linux/module.h> #include <linux/string.h> @@ -167,7 +167,7 @@ static void __exit michael_mic_exit(void) } -subsys_initcall(michael_mic_init); +module_init(michael_mic_init); module_exit(michael_mic_exit); MODULE_LICENSE("GPL v2"); diff --git a/crypto/nhpoly1305.c b/crypto/nhpoly1305.c index 8a3006c3b51b..2b648615b5ec 100644 --- a/crypto/nhpoly1305.c +++ b/crypto/nhpoly1305.c @@ -30,7 +30,7 @@ * (https://cr.yp.to/mac/poly1305-20050329.pdf) */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <crypto/algapi.h> #include <crypto/internal/hash.h> #include <crypto/internal/poly1305.h> @@ -245,7 +245,7 @@ static void __exit nhpoly1305_mod_exit(void) crypto_unregister_shash(&nhpoly1305_alg); } -subsys_initcall(nhpoly1305_mod_init); +module_init(nhpoly1305_mod_init); module_exit(nhpoly1305_mod_exit); MODULE_DESCRIPTION("NHPoly1305 ε-almost-∆-universal hash function"); diff --git a/crypto/ofb.c b/crypto/ofb.c deleted file mode 100644 index b630fdecceee..000000000000 --- a/crypto/ofb.c +++ /dev/null @@ -1,106 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* - * OFB: Output FeedBack mode - * - * Copyright (C) 2018 ARM Limited or its affiliates. - * All rights reserved. - */ - -#include <crypto/algapi.h> -#include <crypto/internal/cipher.h> -#include <crypto/internal/skcipher.h> -#include <linux/err.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> - -static int crypto_ofb_crypt(struct skcipher_request *req) -{ - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct crypto_cipher *cipher = skcipher_cipher_simple(tfm); - const unsigned int bsize = crypto_cipher_blocksize(cipher); - struct skcipher_walk walk; - int err; - - err = skcipher_walk_virt(&walk, req, false); - - while (walk.nbytes >= bsize) { - const u8 *src = walk.src.virt.addr; - u8 *dst = walk.dst.virt.addr; - u8 * const iv = walk.iv; - unsigned int nbytes = walk.nbytes; - - do { - crypto_cipher_encrypt_one(cipher, iv, iv); - crypto_xor_cpy(dst, src, iv, bsize); - dst += bsize; - src += bsize; - } while ((nbytes -= bsize) >= bsize); - - err = skcipher_walk_done(&walk, nbytes); - } - - if (walk.nbytes) { - crypto_cipher_encrypt_one(cipher, walk.iv, walk.iv); - crypto_xor_cpy(walk.dst.virt.addr, walk.src.virt.addr, walk.iv, - walk.nbytes); - err = skcipher_walk_done(&walk, 0); - } - return err; -} - -static int crypto_ofb_create(struct crypto_template *tmpl, struct rtattr **tb) -{ - struct skcipher_instance *inst; - struct crypto_alg *alg; - int err; - - inst = skcipher_alloc_instance_simple(tmpl, tb); - if (IS_ERR(inst)) - return PTR_ERR(inst); - - alg = skcipher_ialg_simple(inst); - - /* OFB mode is a stream cipher. */ - inst->alg.base.cra_blocksize = 1; - - /* - * To simplify the implementation, configure the skcipher walk to only - * give a partial block at the very end, never earlier. - */ - inst->alg.chunksize = alg->cra_blocksize; - - inst->alg.encrypt = crypto_ofb_crypt; - inst->alg.decrypt = crypto_ofb_crypt; - - err = skcipher_register_instance(tmpl, inst); - if (err) - inst->free(inst); - - return err; -} - -static struct crypto_template crypto_ofb_tmpl = { - .name = "ofb", - .create = crypto_ofb_create, - .module = THIS_MODULE, -}; - -static int __init crypto_ofb_module_init(void) -{ - return crypto_register_template(&crypto_ofb_tmpl); -} - -static void __exit crypto_ofb_module_exit(void) -{ - crypto_unregister_template(&crypto_ofb_tmpl); -} - -subsys_initcall(crypto_ofb_module_init); -module_exit(crypto_ofb_module_exit); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("OFB block cipher mode of operation"); -MODULE_ALIAS_CRYPTO("ofb"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); diff --git a/crypto/pcbc.c b/crypto/pcbc.c index 7030f59e46b6..d092717ea4fc 100644 --- a/crypto/pcbc.c +++ b/crypto/pcbc.c @@ -22,8 +22,8 @@ static int crypto_pcbc_encrypt_segment(struct skcipher_request *req, struct crypto_cipher *tfm) { int bsize = crypto_cipher_blocksize(tfm); + const u8 *src = walk->src.virt.addr; unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; u8 *dst = walk->dst.virt.addr; u8 * const iv = walk->iv; @@ -45,17 +45,17 @@ static int crypto_pcbc_encrypt_inplace(struct skcipher_request *req, { int bsize = crypto_cipher_blocksize(tfm); unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; + u8 *dst = walk->dst.virt.addr; u8 * const iv = walk->iv; u8 tmpbuf[MAX_CIPHER_BLOCKSIZE]; do { - memcpy(tmpbuf, src, bsize); - crypto_xor(iv, src, bsize); - crypto_cipher_encrypt_one(tfm, src, iv); - crypto_xor_cpy(iv, tmpbuf, src, bsize); + memcpy(tmpbuf, dst, bsize); + crypto_xor(iv, dst, bsize); + crypto_cipher_encrypt_one(tfm, dst, iv); + crypto_xor_cpy(iv, tmpbuf, dst, bsize); - src += bsize; + dst += bsize; } while ((nbytes -= bsize) >= bsize); return nbytes; @@ -71,7 +71,7 @@ static int crypto_pcbc_encrypt(struct skcipher_request *req) err = skcipher_walk_virt(&walk, req, false); - while ((nbytes = walk.nbytes)) { + while (walk.nbytes) { if (walk.src.virt.addr == walk.dst.virt.addr) nbytes = crypto_pcbc_encrypt_inplace(req, &walk, cipher); @@ -89,8 +89,8 @@ static int crypto_pcbc_decrypt_segment(struct skcipher_request *req, struct crypto_cipher *tfm) { int bsize = crypto_cipher_blocksize(tfm); + const u8 *src = walk->src.virt.addr; unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; u8 *dst = walk->dst.virt.addr; u8 * const iv = walk->iv; @@ -112,17 +112,17 @@ static int crypto_pcbc_decrypt_inplace(struct skcipher_request *req, { int bsize = crypto_cipher_blocksize(tfm); unsigned int nbytes = walk->nbytes; - u8 *src = walk->src.virt.addr; + u8 *dst = walk->dst.virt.addr; u8 * const iv = walk->iv; u8 tmpbuf[MAX_CIPHER_BLOCKSIZE] __aligned(__alignof__(u32)); do { - memcpy(tmpbuf, src, bsize); - crypto_cipher_decrypt_one(tfm, src, src); - crypto_xor(src, iv, bsize); - crypto_xor_cpy(iv, src, tmpbuf, bsize); + memcpy(tmpbuf, dst, bsize); + crypto_cipher_decrypt_one(tfm, dst, dst); + crypto_xor(dst, iv, bsize); + crypto_xor_cpy(iv, dst, tmpbuf, bsize); - src += bsize; + dst += bsize; } while ((nbytes -= bsize) >= bsize); return nbytes; @@ -138,7 +138,7 @@ static int crypto_pcbc_decrypt(struct skcipher_request *req) err = skcipher_walk_virt(&walk, req, false); - while ((nbytes = walk.nbytes)) { + while (walk.nbytes) { if (walk.src.virt.addr == walk.dst.virt.addr) nbytes = crypto_pcbc_decrypt_inplace(req, &walk, cipher); @@ -186,10 +186,10 @@ static void __exit crypto_pcbc_module_exit(void) crypto_unregister_template(&crypto_pcbc_tmpl); } -subsys_initcall(crypto_pcbc_module_init); +module_init(crypto_pcbc_module_init); module_exit(crypto_pcbc_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("PCBC block cipher mode of operation"); MODULE_ALIAS_CRYPTO("pcbc"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index 8c1d0ca41213..c3a9d4f2995c 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -117,6 +117,10 @@ static int pcrypt_aead_encrypt(struct aead_request *req) err = padata_do_parallel(ictx->psenc, padata, &ctx->cb_cpu); if (!err) return -EINPROGRESS; + if (err == -EBUSY) { + /* try non-parallel mode */ + return crypto_aead_encrypt(creq); + } return err; } @@ -164,13 +168,17 @@ static int pcrypt_aead_decrypt(struct aead_request *req) err = padata_do_parallel(ictx->psdec, padata, &ctx->cb_cpu); if (!err) return -EINPROGRESS; + if (err == -EBUSY) { + /* try non-parallel mode */ + return crypto_aead_decrypt(creq); + } return err; } static int pcrypt_aead_init_tfm(struct crypto_aead *tfm) { - int cpu, cpu_index; + int cpu_index; struct aead_instance *inst = aead_alg_instance(tfm); struct pcrypt_instance_ctx *ictx = aead_instance_ctx(inst); struct pcrypt_aead_ctx *ctx = crypto_aead_ctx(tfm); @@ -179,10 +187,7 @@ static int pcrypt_aead_init_tfm(struct crypto_aead *tfm) cpu_index = (unsigned int)atomic_inc_return(&ictx->tfm_count) % cpumask_weight(cpu_online_mask); - ctx->cb_cpu = cpumask_first(cpu_online_mask); - for (cpu = 0; cpu < cpu_index; cpu++) - ctx->cb_cpu = cpumask_next(ctx->cb_cpu, cpu_online_mask); - + ctx->cb_cpu = cpumask_nth(cpu_index, cpu_online_mask); cipher = crypto_spawn_aead(&ictx->spawn); if (IS_ERR(cipher)) @@ -373,7 +378,7 @@ static void __exit pcrypt_exit(void) kset_unregister(pcrypt_kset); } -subsys_initcall(pcrypt_init); +module_init(pcrypt_init); module_exit(pcrypt_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/poly1305_generic.c b/crypto/poly1305_generic.c deleted file mode 100644 index 94af47eb6fa6..000000000000 --- a/crypto/poly1305_generic.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Poly1305 authenticator algorithm, RFC7539 - * - * Copyright (C) 2015 Martin Willi - * - * Based on public domain code by Andrew Moon and Daniel J. Bernstein. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <crypto/algapi.h> -#include <crypto/internal/hash.h> -#include <crypto/internal/poly1305.h> -#include <linux/crypto.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <asm/unaligned.h> - -static int crypto_poly1305_init(struct shash_desc *desc) -{ - struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc); - - poly1305_core_init(&dctx->h); - dctx->buflen = 0; - dctx->rset = 0; - dctx->sset = false; - - return 0; -} - -static unsigned int crypto_poly1305_setdesckey(struct poly1305_desc_ctx *dctx, - const u8 *src, unsigned int srclen) -{ - if (!dctx->sset) { - if (!dctx->rset && srclen >= POLY1305_BLOCK_SIZE) { - poly1305_core_setkey(&dctx->core_r, src); - src += POLY1305_BLOCK_SIZE; - srclen -= POLY1305_BLOCK_SIZE; - dctx->rset = 2; - } - if (srclen >= POLY1305_BLOCK_SIZE) { - dctx->s[0] = get_unaligned_le32(src + 0); - dctx->s[1] = get_unaligned_le32(src + 4); - dctx->s[2] = get_unaligned_le32(src + 8); - dctx->s[3] = get_unaligned_le32(src + 12); - src += POLY1305_BLOCK_SIZE; - srclen -= POLY1305_BLOCK_SIZE; - dctx->sset = true; - } - } - return srclen; -} - -static void poly1305_blocks(struct poly1305_desc_ctx *dctx, const u8 *src, - unsigned int srclen) -{ - unsigned int datalen; - - if (unlikely(!dctx->sset)) { - datalen = crypto_poly1305_setdesckey(dctx, src, srclen); - src += srclen - datalen; - srclen = datalen; - } - - poly1305_core_blocks(&dctx->h, &dctx->core_r, src, - srclen / POLY1305_BLOCK_SIZE, 1); -} - -static int crypto_poly1305_update(struct shash_desc *desc, - const u8 *src, unsigned int srclen) -{ - struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc); - unsigned int bytes; - - if (unlikely(dctx->buflen)) { - bytes = min(srclen, POLY1305_BLOCK_SIZE - dctx->buflen); - memcpy(dctx->buf + dctx->buflen, src, bytes); - src += bytes; - srclen -= bytes; - dctx->buflen += bytes; - - if (dctx->buflen == POLY1305_BLOCK_SIZE) { - poly1305_blocks(dctx, dctx->buf, - POLY1305_BLOCK_SIZE); - dctx->buflen = 0; - } - } - - if (likely(srclen >= POLY1305_BLOCK_SIZE)) { - poly1305_blocks(dctx, src, srclen); - src += srclen - (srclen % POLY1305_BLOCK_SIZE); - srclen %= POLY1305_BLOCK_SIZE; - } - - if (unlikely(srclen)) { - dctx->buflen = srclen; - memcpy(dctx->buf, src, srclen); - } - - return 0; -} - -static int crypto_poly1305_final(struct shash_desc *desc, u8 *dst) -{ - struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc); - - if (unlikely(!dctx->sset)) - return -ENOKEY; - - poly1305_final_generic(dctx, dst); - return 0; -} - -static struct shash_alg poly1305_alg = { - .digestsize = POLY1305_DIGEST_SIZE, - .init = crypto_poly1305_init, - .update = crypto_poly1305_update, - .final = crypto_poly1305_final, - .descsize = sizeof(struct poly1305_desc_ctx), - .base = { - .cra_name = "poly1305", - .cra_driver_name = "poly1305-generic", - .cra_priority = 100, - .cra_blocksize = POLY1305_BLOCK_SIZE, - .cra_module = THIS_MODULE, - }, -}; - -static int __init poly1305_mod_init(void) -{ - return crypto_register_shash(&poly1305_alg); -} - -static void __exit poly1305_mod_exit(void) -{ - crypto_unregister_shash(&poly1305_alg); -} - -subsys_initcall(poly1305_mod_init); -module_exit(poly1305_mod_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Martin Willi <martin@strongswan.org>"); -MODULE_DESCRIPTION("Poly1305 authenticator"); -MODULE_ALIAS_CRYPTO("poly1305"); -MODULE_ALIAS_CRYPTO("poly1305-generic"); diff --git a/crypto/polyval-generic.c b/crypto/polyval-generic.c deleted file mode 100644 index 16bfa6925b31..000000000000 --- a/crypto/polyval-generic.c +++ /dev/null @@ -1,245 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * POLYVAL: hash function for HCTR2. - * - * Copyright (c) 2007 Nokia Siemens Networks - Mikko Herranen <mh1@iki.fi> - * Copyright (c) 2009 Intel Corp. - * Author: Huang Ying <ying.huang@intel.com> - * Copyright 2021 Google LLC - */ - -/* - * Code based on crypto/ghash-generic.c - * - * POLYVAL is a keyed hash function similar to GHASH. POLYVAL uses a different - * modulus for finite field multiplication which makes hardware accelerated - * implementations on little-endian machines faster. POLYVAL is used in the - * kernel to implement HCTR2, but was originally specified for AES-GCM-SIV - * (RFC 8452). - * - * For more information see: - * Length-preserving encryption with HCTR2: - * https://eprint.iacr.org/2021/1441.pdf - * AES-GCM-SIV: Nonce Misuse-Resistant Authenticated Encryption: - * https://datatracker.ietf.org/doc/html/rfc8452 - * - * Like GHASH, POLYVAL is not a cryptographic hash function and should - * not be used outside of crypto modes explicitly designed to use POLYVAL. - * - * This implementation uses a convenient trick involving the GHASH and POLYVAL - * fields. This trick allows multiplication in the POLYVAL field to be - * implemented by using multiplication in the GHASH field as a subroutine. An - * element of the POLYVAL field can be converted to an element of the GHASH - * field by computing x*REVERSE(a), where REVERSE reverses the byte-ordering of - * a. Similarly, an element of the GHASH field can be converted back to the - * POLYVAL field by computing REVERSE(x^{-1}*a). For more information, see: - * https://datatracker.ietf.org/doc/html/rfc8452#appendix-A - * - * By using this trick, we do not need to implement the POLYVAL field for the - * generic implementation. - * - * Warning: this generic implementation is not intended to be used in practice - * and is not constant time. For practical use, a hardware accelerated - * implementation of POLYVAL should be used instead. - * - */ - -#include <asm/unaligned.h> -#include <crypto/algapi.h> -#include <crypto/gf128mul.h> -#include <crypto/polyval.h> -#include <crypto/internal/hash.h> -#include <linux/crypto.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> - -struct polyval_tfm_ctx { - struct gf128mul_4k *gf128; -}; - -struct polyval_desc_ctx { - union { - u8 buffer[POLYVAL_BLOCK_SIZE]; - be128 buffer128; - }; - u32 bytes; -}; - -static void copy_and_reverse(u8 dst[POLYVAL_BLOCK_SIZE], - const u8 src[POLYVAL_BLOCK_SIZE]) -{ - u64 a = get_unaligned((const u64 *)&src[0]); - u64 b = get_unaligned((const u64 *)&src[8]); - - put_unaligned(swab64(a), (u64 *)&dst[8]); - put_unaligned(swab64(b), (u64 *)&dst[0]); -} - -/* - * Performs multiplication in the POLYVAL field using the GHASH field as a - * subroutine. This function is used as a fallback for hardware accelerated - * implementations when simd registers are unavailable. - * - * Note: This function is not used for polyval-generic, instead we use the 4k - * lookup table implementation for finite field multiplication. - */ -void polyval_mul_non4k(u8 *op1, const u8 *op2) -{ - be128 a, b; - - // Assume one argument is in Montgomery form and one is not. - copy_and_reverse((u8 *)&a, op1); - copy_and_reverse((u8 *)&b, op2); - gf128mul_x_lle(&a, &a); - gf128mul_lle(&a, &b); - copy_and_reverse(op1, (u8 *)&a); -} -EXPORT_SYMBOL_GPL(polyval_mul_non4k); - -/* - * Perform a POLYVAL update using non4k multiplication. This function is used - * as a fallback for hardware accelerated implementations when simd registers - * are unavailable. - * - * Note: This function is not used for polyval-generic, instead we use the 4k - * lookup table implementation of finite field multiplication. - */ -void polyval_update_non4k(const u8 *key, const u8 *in, - size_t nblocks, u8 *accumulator) -{ - while (nblocks--) { - crypto_xor(accumulator, in, POLYVAL_BLOCK_SIZE); - polyval_mul_non4k(accumulator, key); - in += POLYVAL_BLOCK_SIZE; - } -} -EXPORT_SYMBOL_GPL(polyval_update_non4k); - -static int polyval_setkey(struct crypto_shash *tfm, - const u8 *key, unsigned int keylen) -{ - struct polyval_tfm_ctx *ctx = crypto_shash_ctx(tfm); - be128 k; - - if (keylen != POLYVAL_BLOCK_SIZE) - return -EINVAL; - - gf128mul_free_4k(ctx->gf128); - - BUILD_BUG_ON(sizeof(k) != POLYVAL_BLOCK_SIZE); - copy_and_reverse((u8 *)&k, key); - gf128mul_x_lle(&k, &k); - - ctx->gf128 = gf128mul_init_4k_lle(&k); - memzero_explicit(&k, POLYVAL_BLOCK_SIZE); - - if (!ctx->gf128) - return -ENOMEM; - - return 0; -} - -static int polyval_init(struct shash_desc *desc) -{ - struct polyval_desc_ctx *dctx = shash_desc_ctx(desc); - - memset(dctx, 0, sizeof(*dctx)); - - return 0; -} - -static int polyval_update(struct shash_desc *desc, - const u8 *src, unsigned int srclen) -{ - struct polyval_desc_ctx *dctx = shash_desc_ctx(desc); - const struct polyval_tfm_ctx *ctx = crypto_shash_ctx(desc->tfm); - u8 *pos; - u8 tmp[POLYVAL_BLOCK_SIZE]; - int n; - - if (dctx->bytes) { - n = min(srclen, dctx->bytes); - pos = dctx->buffer + dctx->bytes - 1; - - dctx->bytes -= n; - srclen -= n; - - while (n--) - *pos-- ^= *src++; - - if (!dctx->bytes) - gf128mul_4k_lle(&dctx->buffer128, ctx->gf128); - } - - while (srclen >= POLYVAL_BLOCK_SIZE) { - copy_and_reverse(tmp, src); - crypto_xor(dctx->buffer, tmp, POLYVAL_BLOCK_SIZE); - gf128mul_4k_lle(&dctx->buffer128, ctx->gf128); - src += POLYVAL_BLOCK_SIZE; - srclen -= POLYVAL_BLOCK_SIZE; - } - - if (srclen) { - dctx->bytes = POLYVAL_BLOCK_SIZE - srclen; - pos = dctx->buffer + POLYVAL_BLOCK_SIZE - 1; - while (srclen--) - *pos-- ^= *src++; - } - - return 0; -} - -static int polyval_final(struct shash_desc *desc, u8 *dst) -{ - struct polyval_desc_ctx *dctx = shash_desc_ctx(desc); - const struct polyval_tfm_ctx *ctx = crypto_shash_ctx(desc->tfm); - - if (dctx->bytes) - gf128mul_4k_lle(&dctx->buffer128, ctx->gf128); - copy_and_reverse(dst, dctx->buffer); - return 0; -} - -static void polyval_exit_tfm(struct crypto_tfm *tfm) -{ - struct polyval_tfm_ctx *ctx = crypto_tfm_ctx(tfm); - - gf128mul_free_4k(ctx->gf128); -} - -static struct shash_alg polyval_alg = { - .digestsize = POLYVAL_DIGEST_SIZE, - .init = polyval_init, - .update = polyval_update, - .final = polyval_final, - .setkey = polyval_setkey, - .descsize = sizeof(struct polyval_desc_ctx), - .base = { - .cra_name = "polyval", - .cra_driver_name = "polyval-generic", - .cra_priority = 100, - .cra_blocksize = POLYVAL_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct polyval_tfm_ctx), - .cra_module = THIS_MODULE, - .cra_exit = polyval_exit_tfm, - }, -}; - -static int __init polyval_mod_init(void) -{ - return crypto_register_shash(&polyval_alg); -} - -static void __exit polyval_mod_exit(void) -{ - crypto_unregister_shash(&polyval_alg); -} - -subsys_initcall(polyval_mod_init); -module_exit(polyval_mod_exit); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("POLYVAL hash function"); -MODULE_ALIAS_CRYPTO("polyval"); -MODULE_ALIAS_CRYPTO("polyval-generic"); diff --git a/crypto/proc.c b/crypto/proc.c index 56c7c78df297..82f15b967e85 100644 --- a/crypto/proc.c +++ b/crypto/proc.c @@ -47,13 +47,10 @@ static int c_show(struct seq_file *m, void *p) (alg->cra_flags & CRYPTO_ALG_TESTED) ? "passed" : "unknown"); seq_printf(m, "internal : %s\n", - (alg->cra_flags & CRYPTO_ALG_INTERNAL) ? - "yes" : "no"); - if (fips_enabled) { + str_yes_no(alg->cra_flags & CRYPTO_ALG_INTERNAL)); + if (fips_enabled) seq_printf(m, "fips : %s\n", - (alg->cra_flags & CRYPTO_ALG_FIPS_INTERNAL) ? - "no" : "yes"); - } + str_no_yes(alg->cra_flags & CRYPTO_ALG_FIPS_INTERNAL)); if (alg->cra_flags & CRYPTO_ALG_LARVAL) { seq_printf(m, "type : larval\n"); @@ -75,9 +72,6 @@ static int c_show(struct seq_file *m, void *p) seq_printf(m, "max keysize : %u\n", alg->cra_cipher.cia_max_keysize); break; - case CRYPTO_ALG_TYPE_COMPRESS: - seq_printf(m, "type : compression\n"); - break; default: seq_printf(m, "type : unknown\n"); break; diff --git a/crypto/rmd160.c b/crypto/rmd160.c index c5fe4034b153..9860b60c9be4 100644 --- a/crypto/rmd160.c +++ b/crypto/rmd160.c @@ -9,18 +9,14 @@ * Copyright (c) 2008 Adrian-Ken Rueegsegger <ken@codelabs.ch> */ #include <crypto/internal/hash.h> -#include <linux/init.h> +#include <linux/kernel.h> #include <linux/module.h> -#include <linux/mm.h> -#include <linux/types.h> -#include <asm/byteorder.h> - +#include <linux/string.h> #include "ripemd.h" struct rmd160_ctx { u64 byte_count; u32 state[5]; - __le32 buffer[16]; }; #define K1 RMD_K1 @@ -265,72 +261,59 @@ static int rmd160_init(struct shash_desc *desc) rctx->state[3] = RMD_H3; rctx->state[4] = RMD_H4; - memset(rctx->buffer, 0, sizeof(rctx->buffer)); - return 0; } static int rmd160_update(struct shash_desc *desc, const u8 *data, unsigned int len) { + int remain = len - round_down(len, RMD160_BLOCK_SIZE); struct rmd160_ctx *rctx = shash_desc_ctx(desc); - const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f); - - rctx->byte_count += len; + __le32 buffer[RMD160_BLOCK_SIZE / 4]; - /* Enough space in buffer? If so copy and we're done */ - if (avail > len) { - memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), - data, len); - goto out; - } - - memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), - data, avail); + rctx->byte_count += len - remain; - rmd160_transform(rctx->state, rctx->buffer); - data += avail; - len -= avail; - - while (len >= sizeof(rctx->buffer)) { - memcpy(rctx->buffer, data, sizeof(rctx->buffer)); - rmd160_transform(rctx->state, rctx->buffer); - data += sizeof(rctx->buffer); - len -= sizeof(rctx->buffer); - } + do { + memcpy(buffer, data, sizeof(buffer)); + rmd160_transform(rctx->state, buffer); + data += sizeof(buffer); + len -= sizeof(buffer); + } while (len >= sizeof(buffer)); - memcpy(rctx->buffer, data, len); - -out: - return 0; + memzero_explicit(buffer, sizeof(buffer)); + return remain; } /* Add padding and return the message digest. */ -static int rmd160_final(struct shash_desc *desc, u8 *out) +static int rmd160_finup(struct shash_desc *desc, const u8 *src, + unsigned int len, u8 *out) { + unsigned int bit_offset = RMD160_BLOCK_SIZE / 8 - 1; struct rmd160_ctx *rctx = shash_desc_ctx(desc); - u32 i, index, padlen; - __le64 bits; + union { + __le64 l64[RMD160_BLOCK_SIZE / 4]; + __le32 l32[RMD160_BLOCK_SIZE / 2]; + u8 u8[RMD160_BLOCK_SIZE * 2]; + } block = {}; __le32 *dst = (__le32 *)out; - static const u8 padding[64] = { 0x80, }; - - bits = cpu_to_le64(rctx->byte_count << 3); - - /* Pad out to 56 mod 64 */ - index = rctx->byte_count & 0x3f; - padlen = (index < 56) ? (56 - index) : ((64+56) - index); - rmd160_update(desc, padding, padlen); + u32 i; - /* Append length */ - rmd160_update(desc, (const u8 *)&bits, sizeof(bits)); + rctx->byte_count += len; + if (len >= bit_offset * 8) + bit_offset += RMD160_BLOCK_SIZE / 8; + memcpy(&block, src, len); + block.u8[len] = 0x80; + block.l64[bit_offset] = cpu_to_le64(rctx->byte_count << 3); + + rmd160_transform(rctx->state, block.l32); + if (bit_offset > RMD160_BLOCK_SIZE / 8) + rmd160_transform(rctx->state, + block.l32 + RMD160_BLOCK_SIZE / 4); + memzero_explicit(&block, sizeof(block)); /* Store state in digest */ for (i = 0; i < 5; i++) dst[i] = cpu_to_le32p(&rctx->state[i]); - - /* Wipe context */ - memset(rctx, 0, sizeof(*rctx)); - return 0; } @@ -338,11 +321,12 @@ static struct shash_alg alg = { .digestsize = RMD160_DIGEST_SIZE, .init = rmd160_init, .update = rmd160_update, - .final = rmd160_final, + .finup = rmd160_finup, .descsize = sizeof(struct rmd160_ctx), .base = { .cra_name = "rmd160", .cra_driver_name = "rmd160-generic", + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, .cra_blocksize = RMD160_BLOCK_SIZE, .cra_module = THIS_MODULE, } @@ -358,7 +342,7 @@ static void __exit rmd160_mod_fini(void) crypto_unregister_shash(&alg); } -subsys_initcall(rmd160_mod_init); +module_init(rmd160_mod_init); module_exit(rmd160_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/rng.c b/crypto/rng.c index 279dffdebf59..ee1768c5a400 100644 --- a/crypto/rng.c +++ b/crypto/rng.c @@ -30,30 +30,24 @@ static int crypto_default_rng_refcnt; int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen) { - struct rng_alg *alg = crypto_rng_alg(tfm); u8 *buf = NULL; int err; - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - atomic64_inc(&rng_get_stat(alg)->seed_cnt); - if (!seed && slen) { buf = kmalloc(slen, GFP_KERNEL); - err = -ENOMEM; if (!buf) - goto out; + return -ENOMEM; err = get_random_bytes_wait(buf, slen); if (err) - goto free_buf; + goto out; seed = buf; } - err = alg->seed(tfm, seed, slen); -free_buf: - kfree_sensitive(buf); + err = crypto_rng_alg(tfm)->seed(tfm, seed, slen); out: - return crypto_rng_errstat(alg, err); + kfree_sensitive(buf); + return err; } EXPORT_SYMBOL_GPL(crypto_rng_reset); @@ -91,27 +85,6 @@ static void crypto_rng_show(struct seq_file *m, struct crypto_alg *alg) seq_printf(m, "seedsize : %u\n", seedsize(alg)); } -static int __maybe_unused crypto_rng_report_stat( - struct sk_buff *skb, struct crypto_alg *alg) -{ - struct rng_alg *rng = __crypto_rng_alg(alg); - struct crypto_istat_rng *istat; - struct crypto_stat_rng rrng; - - istat = rng_get_stat(rng); - - memset(&rrng, 0, sizeof(rrng)); - - strscpy(rrng.type, "rng", sizeof(rrng.type)); - - rrng.stat_generate_cnt = atomic64_read(&istat->generate_cnt); - rrng.stat_generate_tlen = atomic64_read(&istat->generate_tlen); - rrng.stat_seed_cnt = atomic64_read(&istat->seed_cnt); - rrng.stat_err_cnt = atomic64_read(&istat->err_cnt); - - return nla_put(skb, CRYPTOCFGA_STAT_RNG, sizeof(rrng), &rrng); -} - static const struct crypto_type crypto_rng_type = { .extsize = crypto_alg_extsize, .init_tfm = crypto_rng_init_tfm, @@ -121,13 +94,11 @@ static const struct crypto_type crypto_rng_type = { #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_rng_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_rng_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_MASK, .type = CRYPTO_ALG_TYPE_RNG, .tfmsize = offsetof(struct crypto_rng, base), + .algsize = offsetof(struct rng_alg, base), }; struct crypto_rng *crypto_alloc_rng(const char *alg_name, u32 type, u32 mask) @@ -197,9 +168,13 @@ out: EXPORT_SYMBOL_GPL(crypto_del_default_rng); #endif +static void rng_default_set_ent(struct crypto_rng *tfm, const u8 *data, + unsigned int len) +{ +} + int crypto_register_rng(struct rng_alg *alg) { - struct crypto_istat_rng *istat = rng_get_stat(alg); struct crypto_alg *base = &alg->base; if (alg->seedsize > PAGE_SIZE / 8) @@ -209,8 +184,8 @@ int crypto_register_rng(struct rng_alg *alg) base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; base->cra_flags |= CRYPTO_ALG_TYPE_RNG; - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - memset(istat, 0, sizeof(*istat)); + if (!alg->set_ent) + alg->set_ent = rng_default_set_ent; return crypto_register_alg(base); } diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c index d2e5e104f8cf..50bdb18e7b48 100644 --- a/crypto/rsa-pkcs1pad.c +++ b/crypto/rsa-pkcs1pad.c @@ -16,78 +16,6 @@ #include <linux/random.h> #include <linux/scatterlist.h> -/* - * Hash algorithm OIDs plus ASN.1 DER wrappings [RFC4880 sec 5.2.2]. - */ -static const u8 rsa_digest_info_md5[] = { - 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, - 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05, /* OID */ - 0x05, 0x00, 0x04, 0x10 -}; - -static const u8 rsa_digest_info_sha1[] = { - 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, - 0x2b, 0x0e, 0x03, 0x02, 0x1a, - 0x05, 0x00, 0x04, 0x14 -}; - -static const u8 rsa_digest_info_rmd160[] = { - 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, - 0x2b, 0x24, 0x03, 0x02, 0x01, - 0x05, 0x00, 0x04, 0x14 -}; - -static const u8 rsa_digest_info_sha224[] = { - 0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, - 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, - 0x05, 0x00, 0x04, 0x1c -}; - -static const u8 rsa_digest_info_sha256[] = { - 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, - 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, - 0x05, 0x00, 0x04, 0x20 -}; - -static const u8 rsa_digest_info_sha384[] = { - 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, - 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, - 0x05, 0x00, 0x04, 0x30 -}; - -static const u8 rsa_digest_info_sha512[] = { - 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, - 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, - 0x05, 0x00, 0x04, 0x40 -}; - -static const struct rsa_asn1_template { - const char *name; - const u8 *data; - size_t size; -} rsa_asn1_templates[] = { -#define _(X) { #X, rsa_digest_info_##X, sizeof(rsa_digest_info_##X) } - _(md5), - _(sha1), - _(rmd160), - _(sha256), - _(sha384), - _(sha512), - _(sha224), - { NULL } -#undef _ -}; - -static const struct rsa_asn1_template *rsa_lookup_asn1(const char *name) -{ - const struct rsa_asn1_template *p; - - for (p = rsa_asn1_templates; p->name; p++) - if (strcmp(name, p->name) == 0) - return p; - return NULL; -} - struct pkcs1pad_ctx { struct crypto_akcipher *child; unsigned int key_size; @@ -95,7 +23,6 @@ struct pkcs1pad_ctx { struct pkcs1pad_inst_ctx { struct crypto_akcipher_spawn spawn; - const struct rsa_asn1_template *digest_info; }; struct pkcs1pad_request { @@ -108,42 +35,16 @@ static int pkcs1pad_set_pub_key(struct crypto_akcipher *tfm, const void *key, unsigned int keylen) { struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm); - int err; - - ctx->key_size = 0; - - err = crypto_akcipher_set_pub_key(ctx->child, key, keylen); - if (err) - return err; - - /* Find out new modulus size from rsa implementation */ - err = crypto_akcipher_maxsize(ctx->child); - if (err > PAGE_SIZE) - return -ENOTSUPP; - ctx->key_size = err; - return 0; + return rsa_set_key(ctx->child, &ctx->key_size, RSA_PUB, key, keylen); } static int pkcs1pad_set_priv_key(struct crypto_akcipher *tfm, const void *key, unsigned int keylen) { struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm); - int err; - - ctx->key_size = 0; - - err = crypto_akcipher_set_priv_key(ctx->child, key, keylen); - if (err) - return err; - - /* Find out new modulus size from rsa implementation */ - err = crypto_akcipher_maxsize(ctx->child); - if (err > PAGE_SIZE) - return -ENOTSUPP; - ctx->key_size = err; - return 0; + return rsa_set_key(ctx->child, &ctx->key_size, RSA_PRIV, key, keylen); } static unsigned int pkcs1pad_get_max_size(struct crypto_akcipher *tfm) @@ -151,9 +52,9 @@ static unsigned int pkcs1pad_get_max_size(struct crypto_akcipher *tfm) struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm); /* - * The maximum destination buffer size for the encrypt/sign operations + * The maximum destination buffer size for the encrypt operation * will be the same as for RSA, even though it's smaller for - * decrypt/verify. + * decrypt. */ return ctx->key_size; @@ -171,7 +72,7 @@ static void pkcs1pad_sg_set_buf(struct scatterlist *sg, void *buf, size_t len, sg_chain(sg, nsegs, next); } -static int pkcs1pad_encrypt_sign_complete(struct akcipher_request *req, int err) +static int pkcs1pad_encrypt_complete(struct akcipher_request *req, int err) { struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm); @@ -210,14 +111,14 @@ out: return err; } -static void pkcs1pad_encrypt_sign_complete_cb(void *data, int err) +static void pkcs1pad_encrypt_complete_cb(void *data, int err) { struct akcipher_request *req = data; if (err == -EINPROGRESS) goto out; - err = pkcs1pad_encrypt_sign_complete(req, err); + err = pkcs1pad_encrypt_complete(req, err); out: akcipher_request_complete(req, err); @@ -258,7 +159,7 @@ static int pkcs1pad_encrypt(struct akcipher_request *req) akcipher_request_set_tfm(&req_ctx->child_req, ctx->child); akcipher_request_set_callback(&req_ctx->child_req, req->base.flags, - pkcs1pad_encrypt_sign_complete_cb, req); + pkcs1pad_encrypt_complete_cb, req); /* Reuse output buffer */ akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg, @@ -266,7 +167,7 @@ static int pkcs1pad_encrypt(struct akcipher_request *req) err = crypto_akcipher_encrypt(&req_ctx->child_req); if (err != -EINPROGRESS && err != -EBUSY) - return pkcs1pad_encrypt_sign_complete(req, err); + return pkcs1pad_encrypt_complete(req, err); return err; } @@ -371,195 +272,6 @@ static int pkcs1pad_decrypt(struct akcipher_request *req) return err; } -static int pkcs1pad_sign(struct akcipher_request *req) -{ - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm); - struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req); - struct akcipher_instance *inst = akcipher_alg_instance(tfm); - struct pkcs1pad_inst_ctx *ictx = akcipher_instance_ctx(inst); - const struct rsa_asn1_template *digest_info = ictx->digest_info; - int err; - unsigned int ps_end, digest_info_size = 0; - - if (!ctx->key_size) - return -EINVAL; - - if (digest_info) - digest_info_size = digest_info->size; - - if (req->src_len + digest_info_size > ctx->key_size - 11) - return -EOVERFLOW; - - if (req->dst_len < ctx->key_size) { - req->dst_len = ctx->key_size; - return -EOVERFLOW; - } - - req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len, - GFP_KERNEL); - if (!req_ctx->in_buf) - return -ENOMEM; - - ps_end = ctx->key_size - digest_info_size - req->src_len - 2; - req_ctx->in_buf[0] = 0x01; - memset(req_ctx->in_buf + 1, 0xff, ps_end - 1); - req_ctx->in_buf[ps_end] = 0x00; - - if (digest_info) - memcpy(req_ctx->in_buf + ps_end + 1, digest_info->data, - digest_info->size); - - pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf, - ctx->key_size - 1 - req->src_len, req->src); - - akcipher_request_set_tfm(&req_ctx->child_req, ctx->child); - akcipher_request_set_callback(&req_ctx->child_req, req->base.flags, - pkcs1pad_encrypt_sign_complete_cb, req); - - /* Reuse output buffer */ - akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg, - req->dst, ctx->key_size - 1, req->dst_len); - - err = crypto_akcipher_decrypt(&req_ctx->child_req); - if (err != -EINPROGRESS && err != -EBUSY) - return pkcs1pad_encrypt_sign_complete(req, err); - - return err; -} - -static int pkcs1pad_verify_complete(struct akcipher_request *req, int err) -{ - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm); - struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req); - struct akcipher_instance *inst = akcipher_alg_instance(tfm); - struct pkcs1pad_inst_ctx *ictx = akcipher_instance_ctx(inst); - const struct rsa_asn1_template *digest_info = ictx->digest_info; - const unsigned int sig_size = req->src_len; - const unsigned int digest_size = req->dst_len; - unsigned int dst_len; - unsigned int pos; - u8 *out_buf; - - if (err) - goto done; - - err = -EINVAL; - dst_len = req_ctx->child_req.dst_len; - if (dst_len < ctx->key_size - 1) - goto done; - - out_buf = req_ctx->out_buf; - if (dst_len == ctx->key_size) { - if (out_buf[0] != 0x00) - /* Decrypted value had no leading 0 byte */ - goto done; - - dst_len--; - out_buf++; - } - - err = -EBADMSG; - if (out_buf[0] != 0x01) - goto done; - - for (pos = 1; pos < dst_len; pos++) - if (out_buf[pos] != 0xff) - break; - - if (pos < 9 || pos == dst_len || out_buf[pos] != 0x00) - goto done; - pos++; - - if (digest_info) { - if (digest_info->size > dst_len - pos) - goto done; - if (crypto_memneq(out_buf + pos, digest_info->data, - digest_info->size)) - goto done; - - pos += digest_info->size; - } - - err = 0; - - if (digest_size != dst_len - pos) { - err = -EKEYREJECTED; - req->dst_len = dst_len - pos; - goto done; - } - /* Extract appended digest. */ - sg_pcopy_to_buffer(req->src, - sg_nents_for_len(req->src, sig_size + digest_size), - req_ctx->out_buf + ctx->key_size, - digest_size, sig_size); - /* Do the actual verification step. */ - if (memcmp(req_ctx->out_buf + ctx->key_size, out_buf + pos, - digest_size) != 0) - err = -EKEYREJECTED; -done: - kfree_sensitive(req_ctx->out_buf); - - return err; -} - -static void pkcs1pad_verify_complete_cb(void *data, int err) -{ - struct akcipher_request *req = data; - - if (err == -EINPROGRESS) - goto out; - - err = pkcs1pad_verify_complete(req, err); - -out: - akcipher_request_complete(req, err); -} - -/* - * The verify operation is here for completeness similar to the verification - * defined in RFC2313 section 10.2 except that block type 0 is not accepted, - * as in RFC2437. RFC2437 section 9.2 doesn't define any operation to - * retrieve the DigestInfo from a signature, instead the user is expected - * to call the sign operation to generate the expected signature and compare - * signatures instead of the message-digests. - */ -static int pkcs1pad_verify(struct akcipher_request *req) -{ - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm); - struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req); - const unsigned int sig_size = req->src_len; - const unsigned int digest_size = req->dst_len; - int err; - - if (WARN_ON(req->dst) || WARN_ON(!digest_size) || - !ctx->key_size || sig_size != ctx->key_size) - return -EINVAL; - - req_ctx->out_buf = kmalloc(ctx->key_size + digest_size, GFP_KERNEL); - if (!req_ctx->out_buf) - return -ENOMEM; - - pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf, - ctx->key_size, NULL); - - akcipher_request_set_tfm(&req_ctx->child_req, ctx->child); - akcipher_request_set_callback(&req_ctx->child_req, req->base.flags, - pkcs1pad_verify_complete_cb, req); - - /* Reuse input buffer, output to a new buffer */ - akcipher_request_set_crypt(&req_ctx->child_req, req->src, - req_ctx->out_sg, sig_size, ctx->key_size); - - err = crypto_akcipher_encrypt(&req_ctx->child_req); - if (err != -EINPROGRESS && err != -EBUSY) - return pkcs1pad_verify_complete(req, err); - - return err; -} - static int pkcs1pad_init_tfm(struct crypto_akcipher *tfm) { struct akcipher_instance *inst = akcipher_alg_instance(tfm); @@ -601,7 +313,6 @@ static int pkcs1pad_create(struct crypto_template *tmpl, struct rtattr **tb) struct akcipher_instance *inst; struct pkcs1pad_inst_ctx *ctx; struct akcipher_alg *rsa_alg; - const char *hash_name; int err; err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AKCIPHER, &mask); @@ -627,36 +338,15 @@ static int pkcs1pad_create(struct crypto_template *tmpl, struct rtattr **tb) } err = -ENAMETOOLONG; - hash_name = crypto_attr_alg_name(tb[2]); - if (IS_ERR(hash_name)) { - if (snprintf(inst->alg.base.cra_name, - CRYPTO_MAX_ALG_NAME, "pkcs1pad(%s)", - rsa_alg->base.cra_name) >= CRYPTO_MAX_ALG_NAME) - goto err_free_inst; - - if (snprintf(inst->alg.base.cra_driver_name, - CRYPTO_MAX_ALG_NAME, "pkcs1pad(%s)", - rsa_alg->base.cra_driver_name) >= - CRYPTO_MAX_ALG_NAME) - goto err_free_inst; - } else { - ctx->digest_info = rsa_lookup_asn1(hash_name); - if (!ctx->digest_info) { - err = -EINVAL; - goto err_free_inst; - } - - if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, - "pkcs1pad(%s,%s)", rsa_alg->base.cra_name, - hash_name) >= CRYPTO_MAX_ALG_NAME) - goto err_free_inst; - - if (snprintf(inst->alg.base.cra_driver_name, - CRYPTO_MAX_ALG_NAME, "pkcs1pad(%s,%s)", - rsa_alg->base.cra_driver_name, - hash_name) >= CRYPTO_MAX_ALG_NAME) - goto err_free_inst; - } + if (snprintf(inst->alg.base.cra_name, + CRYPTO_MAX_ALG_NAME, "pkcs1pad(%s)", + rsa_alg->base.cra_name) >= CRYPTO_MAX_ALG_NAME) + goto err_free_inst; + + if (snprintf(inst->alg.base.cra_driver_name, + CRYPTO_MAX_ALG_NAME, "pkcs1pad(%s)", + rsa_alg->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) + goto err_free_inst; inst->alg.base.cra_priority = rsa_alg->base.cra_priority; inst->alg.base.cra_ctxsize = sizeof(struct pkcs1pad_ctx); @@ -666,8 +356,6 @@ static int pkcs1pad_create(struct crypto_template *tmpl, struct rtattr **tb) inst->alg.encrypt = pkcs1pad_encrypt; inst->alg.decrypt = pkcs1pad_decrypt; - inst->alg.sign = pkcs1pad_sign; - inst->alg.verify = pkcs1pad_verify; inst->alg.set_pub_key = pkcs1pad_set_pub_key; inst->alg.set_priv_key = pkcs1pad_set_priv_key; inst->alg.max_size = pkcs1pad_get_max_size; @@ -687,3 +375,5 @@ struct crypto_template rsa_pkcs1pad_tmpl = { .create = pkcs1pad_create, .module = THIS_MODULE, }; + +MODULE_ALIAS_CRYPTO("pkcs1pad"); diff --git a/crypto/rsa.c b/crypto/rsa.c index c50f2d2a4d06..6c7734083c98 100644 --- a/crypto/rsa.c +++ b/crypto/rsa.c @@ -24,14 +24,38 @@ struct rsa_mpi_key { MPI qinv; }; +static int rsa_check_payload(MPI x, MPI n) +{ + MPI n1; + + if (mpi_cmp_ui(x, 1) <= 0) + return -EINVAL; + + n1 = mpi_alloc(0); + if (!n1) + return -ENOMEM; + + if (mpi_sub_ui(n1, n, 1) || mpi_cmp(x, n1) >= 0) { + mpi_free(n1); + return -EINVAL; + } + + mpi_free(n1); + return 0; +} + /* * RSAEP function [RFC3447 sec 5.1.1] * c = m^e mod n; */ static int _rsa_enc(const struct rsa_mpi_key *key, MPI c, MPI m) { - /* (1) Validate 0 <= m < n */ - if (mpi_cmp_ui(m, 0) < 0 || mpi_cmp(m, key->n) >= 0) + /* + * Even though (1) in RFC3447 only requires 0 <= m <= n - 1, we are + * slightly more conservative and require 1 < m < n - 1. This is in line + * with SP 800-56Br2, Section 7.1.1. + */ + if (rsa_check_payload(m, key->n)) return -EINVAL; /* (2) c = m^e mod n */ @@ -50,8 +74,12 @@ static int _rsa_dec_crt(const struct rsa_mpi_key *key, MPI m_or_m1_or_h, MPI c) MPI m2, m12_or_qh; int ret = -ENOMEM; - /* (1) Validate 0 <= c < n */ - if (mpi_cmp_ui(c, 0) < 0 || mpi_cmp(c, key->n) >= 0) + /* + * Even though (1) in RFC3447 only requires 0 <= c <= n - 1, we are + * slightly more conservative and require 1 < c < n - 1. This is in line + * with SP 800-56Br2, Section 7.1.2. + */ + if (rsa_check_payload(c, key->n)) return -EINVAL; m2 = mpi_alloc(0); @@ -70,14 +98,13 @@ static int _rsa_dec_crt(const struct rsa_mpi_key *key, MPI m_or_m1_or_h, MPI c) goto err_free_mpi; /* (2iii) h = (m_1 - m_2) * qInv mod p */ - mpi_sub(m12_or_qh, m_or_m1_or_h, m2); - mpi_mulm(m_or_m1_or_h, m12_or_qh, key->qinv, key->p); + ret = mpi_sub(m12_or_qh, m_or_m1_or_h, m2) ?: + mpi_mulm(m_or_m1_or_h, m12_or_qh, key->qinv, key->p); /* (2iv) m = m_2 + q * h */ - mpi_mul(m12_or_qh, key->q, m_or_m1_or_h); - mpi_addm(m_or_m1_or_h, m2, m12_or_qh, key->n); - - ret = 0; + ret = ret ?: + mpi_mul(m12_or_qh, key->q, m_or_m1_or_h) ?: + mpi_addm(m_or_m1_or_h, m2, m12_or_qh, key->n); err_free_mpi: mpi_free(m12_or_qh); @@ -205,6 +232,40 @@ static int rsa_check_key_length(unsigned int len) return -EINVAL; } +static int rsa_check_exponent_fips(MPI e) +{ + MPI e_max = NULL; + int err; + + /* check if odd */ + if (!mpi_test_bit(e, 0)) { + return -EINVAL; + } + + /* check if 2^16 < e < 2^256. */ + if (mpi_cmp_ui(e, 65536) <= 0) { + return -EINVAL; + } + + e_max = mpi_alloc(0); + if (!e_max) + return -ENOMEM; + + err = mpi_set_bit(e_max, 256); + if (err) { + mpi_free(e_max); + return err; + } + + if (mpi_cmp(e, e_max) >= 0) { + mpi_free(e_max); + return -EINVAL; + } + + mpi_free(e_max); + return 0; +} + static int rsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, unsigned int keylen) { @@ -232,6 +293,11 @@ static int rsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, return -EINVAL; } + if (fips_enabled && rsa_check_exponent_fips(mpi_key->e)) { + rsa_free_mpi_key(mpi_key); + return -EINVAL; + } + return 0; err: @@ -290,6 +356,11 @@ static int rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key, return -EINVAL; } + if (fips_enabled && rsa_check_exponent_fips(mpi_key->e)) { + rsa_free_mpi_key(mpi_key); + return -EINVAL; + } + return 0; err: @@ -336,21 +407,30 @@ static int __init rsa_init(void) return err; err = crypto_register_template(&rsa_pkcs1pad_tmpl); - if (err) { - crypto_unregister_akcipher(&rsa); - return err; - } + if (err) + goto err_unregister_rsa; + + err = crypto_register_template(&rsassa_pkcs1_tmpl); + if (err) + goto err_unregister_rsa_pkcs1pad; return 0; + +err_unregister_rsa_pkcs1pad: + crypto_unregister_template(&rsa_pkcs1pad_tmpl); +err_unregister_rsa: + crypto_unregister_akcipher(&rsa); + return err; } static void __exit rsa_exit(void) { + crypto_unregister_template(&rsassa_pkcs1_tmpl); crypto_unregister_template(&rsa_pkcs1pad_tmpl); crypto_unregister_akcipher(&rsa); } -subsys_initcall(rsa_init); +module_init(rsa_init); module_exit(rsa_exit); MODULE_ALIAS_CRYPTO("rsa"); MODULE_LICENSE("GPL"); diff --git a/crypto/rsaprivkey.asn1 b/crypto/rsaprivkey.asn1 index 4ce06758e8af..76865124a9c7 100644 --- a/crypto/rsaprivkey.asn1 +++ b/crypto/rsaprivkey.asn1 @@ -1,3 +1,10 @@ +-- SPDX-License-Identifier: BSD-3-Clause +-- +-- Copyright (C) 2016 IETF Trust and the persons identified as authors +-- of the code +-- +-- https://www.rfc-editor.org/rfc/rfc8017#appendix-A.1.2 + RsaPrivKey ::= SEQUENCE { version INTEGER, n INTEGER ({ rsa_get_n }), diff --git a/crypto/rsapubkey.asn1 b/crypto/rsapubkey.asn1 index 725498e461d2..0d32b1ca6270 100644 --- a/crypto/rsapubkey.asn1 +++ b/crypto/rsapubkey.asn1 @@ -1,3 +1,10 @@ +-- SPDX-License-Identifier: BSD-3-Clause +-- +-- Copyright (C) 2016 IETF Trust and the persons identified as authors +-- of the code +-- +-- https://www.rfc-editor.org/rfc/rfc8017#appendix-A.1.1 + RsaPubKey ::= SEQUENCE { n INTEGER ({ rsa_get_n }), e INTEGER ({ rsa_get_e }) diff --git a/crypto/rsassa-pkcs1.c b/crypto/rsassa-pkcs1.c new file mode 100644 index 000000000000..94fa5e9600e7 --- /dev/null +++ b/crypto/rsassa-pkcs1.c @@ -0,0 +1,437 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * RSA Signature Scheme with Appendix - PKCS #1 v1.5 (RFC 8017 sec 8.2) + * + * https://www.rfc-editor.org/rfc/rfc8017#section-8.2 + * + * Copyright (c) 2015 - 2024 Intel Corporation + */ + +#include <linux/module.h> +#include <linux/scatterlist.h> +#include <crypto/akcipher.h> +#include <crypto/algapi.h> +#include <crypto/hash.h> +#include <crypto/sig.h> +#include <crypto/internal/akcipher.h> +#include <crypto/internal/rsa.h> +#include <crypto/internal/sig.h> + +/* + * Full Hash Prefix for EMSA-PKCS1-v1_5 encoding method (RFC 9580 table 24) + * + * RSA keys are usually much larger than the hash of the message to be signed. + * The hash is therefore prepended by the Full Hash Prefix and a 0xff padding. + * The Full Hash Prefix is an ASN.1 SEQUENCE containing the hash algorithm OID. + * + * https://www.rfc-editor.org/rfc/rfc9580#table-24 + */ + +static const u8 hash_prefix_none[] = { }; + +static const u8 hash_prefix_md5[] = { + 0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, /* SEQUENCE (SEQUENCE (OID */ + 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05, /* <algorithm>, */ + 0x05, 0x00, 0x04, 0x10 /* NULL), OCTET STRING <hash>) */ +}; + +static const u8 hash_prefix_sha1[] = { + 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, + 0x2b, 0x0e, 0x03, 0x02, 0x1a, + 0x05, 0x00, 0x04, 0x14 +}; + +static const u8 hash_prefix_rmd160[] = { + 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, + 0x2b, 0x24, 0x03, 0x02, 0x01, + 0x05, 0x00, 0x04, 0x14 +}; + +static const u8 hash_prefix_sha224[] = { + 0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, + 0x05, 0x00, 0x04, 0x1c +}; + +static const u8 hash_prefix_sha256[] = { + 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, + 0x05, 0x00, 0x04, 0x20 +}; + +static const u8 hash_prefix_sha384[] = { + 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, + 0x05, 0x00, 0x04, 0x30 +}; + +static const u8 hash_prefix_sha512[] = { + 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, + 0x05, 0x00, 0x04, 0x40 +}; + +static const u8 hash_prefix_sha3_256[] = { + 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x08, + 0x05, 0x00, 0x04, 0x20 +}; + +static const u8 hash_prefix_sha3_384[] = { + 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x09, + 0x05, 0x00, 0x04, 0x30 +}; + +static const u8 hash_prefix_sha3_512[] = { + 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, + 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x0a, + 0x05, 0x00, 0x04, 0x40 +}; + +static const struct hash_prefix { + const char *name; + const u8 *data; + size_t size; +} hash_prefixes[] = { +#define _(X) { #X, hash_prefix_##X, sizeof(hash_prefix_##X) } + _(none), + _(md5), + _(sha1), + _(rmd160), + _(sha256), + _(sha384), + _(sha512), + _(sha224), +#undef _ +#define _(X) { "sha3-" #X, hash_prefix_sha3_##X, sizeof(hash_prefix_sha3_##X) } + _(256), + _(384), + _(512), +#undef _ + { NULL } +}; + +static const struct hash_prefix *rsassa_pkcs1_find_hash_prefix(const char *name) +{ + const struct hash_prefix *p; + + for (p = hash_prefixes; p->name; p++) + if (strcmp(name, p->name) == 0) + return p; + return NULL; +} + +static bool rsassa_pkcs1_invalid_hash_len(unsigned int len, + const struct hash_prefix *p) +{ + /* + * Legacy protocols such as TLS 1.1 or earlier and IKE version 1 + * do not prepend a Full Hash Prefix to the hash. In that case, + * the size of the Full Hash Prefix is zero. + */ + if (p->data == hash_prefix_none) + return false; + + /* + * The final byte of the Full Hash Prefix encodes the hash length. + * + * This needs to be revisited should hash algorithms with more than + * 1016 bits (127 bytes * 8) ever be added. The length would then + * be encoded into more than one byte by ASN.1. + */ + static_assert(HASH_MAX_DIGESTSIZE <= 127); + + return len != p->data[p->size - 1]; +} + +struct rsassa_pkcs1_ctx { + struct crypto_akcipher *child; + unsigned int key_size; +}; + +struct rsassa_pkcs1_inst_ctx { + struct crypto_akcipher_spawn spawn; + const struct hash_prefix *hash_prefix; +}; + +static int rsassa_pkcs1_sign(struct crypto_sig *tfm, + const void *src, unsigned int slen, + void *dst, unsigned int dlen) +{ + struct sig_instance *inst = sig_alg_instance(tfm); + struct rsassa_pkcs1_inst_ctx *ictx = sig_instance_ctx(inst); + const struct hash_prefix *hash_prefix = ictx->hash_prefix; + struct rsassa_pkcs1_ctx *ctx = crypto_sig_ctx(tfm); + unsigned int pad_len; + unsigned int ps_end; + unsigned int len; + u8 *in_buf; + int err; + + if (!ctx->key_size) + return -EINVAL; + + if (dlen < ctx->key_size) + return -EOVERFLOW; + + if (rsassa_pkcs1_invalid_hash_len(slen, hash_prefix)) + return -EINVAL; + + if (slen + hash_prefix->size > ctx->key_size - 11) + return -EOVERFLOW; + + pad_len = ctx->key_size - slen - hash_prefix->size - 1; + + /* RFC 8017 sec 8.2.1 step 1 - EMSA-PKCS1-v1_5 encoding generation */ + in_buf = dst; + memmove(in_buf + pad_len + hash_prefix->size, src, slen); + memcpy(in_buf + pad_len, hash_prefix->data, hash_prefix->size); + + ps_end = pad_len - 1; + in_buf[0] = 0x01; + memset(in_buf + 1, 0xff, ps_end - 1); + in_buf[ps_end] = 0x00; + + + /* RFC 8017 sec 8.2.1 step 2 - RSA signature */ + err = crypto_akcipher_sync_decrypt(ctx->child, in_buf, + ctx->key_size - 1, in_buf, + ctx->key_size); + if (err < 0) + return err; + + len = err; + pad_len = ctx->key_size - len; + + /* Four billion to one */ + if (unlikely(pad_len)) { + memmove(dst + pad_len, dst, len); + memset(dst, 0, pad_len); + } + + return ctx->key_size; +} + +static int rsassa_pkcs1_verify(struct crypto_sig *tfm, + const void *src, unsigned int slen, + const void *digest, unsigned int dlen) +{ + struct sig_instance *inst = sig_alg_instance(tfm); + struct rsassa_pkcs1_inst_ctx *ictx = sig_instance_ctx(inst); + const struct hash_prefix *hash_prefix = ictx->hash_prefix; + struct rsassa_pkcs1_ctx *ctx = crypto_sig_ctx(tfm); + unsigned int child_reqsize = crypto_akcipher_reqsize(ctx->child); + struct akcipher_request *child_req __free(kfree_sensitive) = NULL; + struct crypto_wait cwait; + struct scatterlist sg; + unsigned int dst_len; + unsigned int pos; + u8 *out_buf; + int err; + + /* RFC 8017 sec 8.2.2 step 1 - length checking */ + if (!ctx->key_size || + slen != ctx->key_size || + rsassa_pkcs1_invalid_hash_len(dlen, hash_prefix)) + return -EINVAL; + + /* RFC 8017 sec 8.2.2 step 2 - RSA verification */ + child_req = kmalloc(sizeof(*child_req) + child_reqsize + ctx->key_size, + GFP_KERNEL); + if (!child_req) + return -ENOMEM; + + out_buf = (u8 *)(child_req + 1) + child_reqsize; + memcpy(out_buf, src, slen); + + crypto_init_wait(&cwait); + sg_init_one(&sg, out_buf, slen); + akcipher_request_set_tfm(child_req, ctx->child); + akcipher_request_set_crypt(child_req, &sg, &sg, slen, slen); + akcipher_request_set_callback(child_req, CRYPTO_TFM_REQ_MAY_SLEEP, + crypto_req_done, &cwait); + + err = crypto_akcipher_encrypt(child_req); + err = crypto_wait_req(err, &cwait); + if (err) + return err; + + /* RFC 8017 sec 8.2.2 step 3 - EMSA-PKCS1-v1_5 encoding verification */ + dst_len = child_req->dst_len; + if (dst_len < ctx->key_size - 1) + return -EINVAL; + + if (dst_len == ctx->key_size) { + if (out_buf[0] != 0x00) + /* Encrypted value had no leading 0 byte */ + return -EINVAL; + + dst_len--; + out_buf++; + } + + if (out_buf[0] != 0x01) + return -EBADMSG; + + for (pos = 1; pos < dst_len; pos++) + if (out_buf[pos] != 0xff) + break; + + if (pos < 9 || pos == dst_len || out_buf[pos] != 0x00) + return -EBADMSG; + pos++; + + if (hash_prefix->size > dst_len - pos) + return -EBADMSG; + if (crypto_memneq(out_buf + pos, hash_prefix->data, hash_prefix->size)) + return -EBADMSG; + pos += hash_prefix->size; + + /* RFC 8017 sec 8.2.2 step 4 - comparison of digest with out_buf */ + if (dlen != dst_len - pos) + return -EKEYREJECTED; + if (memcmp(digest, out_buf + pos, dlen) != 0) + return -EKEYREJECTED; + + return 0; +} + +static unsigned int rsassa_pkcs1_key_size(struct crypto_sig *tfm) +{ + struct rsassa_pkcs1_ctx *ctx = crypto_sig_ctx(tfm); + + return ctx->key_size * BITS_PER_BYTE; +} + +static int rsassa_pkcs1_set_pub_key(struct crypto_sig *tfm, + const void *key, unsigned int keylen) +{ + struct rsassa_pkcs1_ctx *ctx = crypto_sig_ctx(tfm); + + return rsa_set_key(ctx->child, &ctx->key_size, RSA_PUB, key, keylen); +} + +static int rsassa_pkcs1_set_priv_key(struct crypto_sig *tfm, + const void *key, unsigned int keylen) +{ + struct rsassa_pkcs1_ctx *ctx = crypto_sig_ctx(tfm); + + return rsa_set_key(ctx->child, &ctx->key_size, RSA_PRIV, key, keylen); +} + +static int rsassa_pkcs1_init_tfm(struct crypto_sig *tfm) +{ + struct sig_instance *inst = sig_alg_instance(tfm); + struct rsassa_pkcs1_inst_ctx *ictx = sig_instance_ctx(inst); + struct rsassa_pkcs1_ctx *ctx = crypto_sig_ctx(tfm); + struct crypto_akcipher *child_tfm; + + child_tfm = crypto_spawn_akcipher(&ictx->spawn); + if (IS_ERR(child_tfm)) + return PTR_ERR(child_tfm); + + ctx->child = child_tfm; + + return 0; +} + +static void rsassa_pkcs1_exit_tfm(struct crypto_sig *tfm) +{ + struct rsassa_pkcs1_ctx *ctx = crypto_sig_ctx(tfm); + + crypto_free_akcipher(ctx->child); +} + +static void rsassa_pkcs1_free(struct sig_instance *inst) +{ + struct rsassa_pkcs1_inst_ctx *ctx = sig_instance_ctx(inst); + struct crypto_akcipher_spawn *spawn = &ctx->spawn; + + crypto_drop_akcipher(spawn); + kfree(inst); +} + +static int rsassa_pkcs1_create(struct crypto_template *tmpl, struct rtattr **tb) +{ + struct rsassa_pkcs1_inst_ctx *ctx; + struct akcipher_alg *rsa_alg; + struct sig_instance *inst; + const char *hash_name; + u32 mask; + int err; + + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SIG, &mask); + if (err) + return err; + + inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL); + if (!inst) + return -ENOMEM; + + ctx = sig_instance_ctx(inst); + + err = crypto_grab_akcipher(&ctx->spawn, sig_crypto_instance(inst), + crypto_attr_alg_name(tb[1]), 0, mask); + if (err) + goto err_free_inst; + + rsa_alg = crypto_spawn_akcipher_alg(&ctx->spawn); + + if (strcmp(rsa_alg->base.cra_name, "rsa") != 0) { + err = -EINVAL; + goto err_free_inst; + } + + hash_name = crypto_attr_alg_name(tb[2]); + if (IS_ERR(hash_name)) { + err = PTR_ERR(hash_name); + goto err_free_inst; + } + + ctx->hash_prefix = rsassa_pkcs1_find_hash_prefix(hash_name); + if (!ctx->hash_prefix) { + err = -EINVAL; + goto err_free_inst; + } + + err = -ENAMETOOLONG; + if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, + "pkcs1(%s,%s)", rsa_alg->base.cra_name, + hash_name) >= CRYPTO_MAX_ALG_NAME) + goto err_free_inst; + + if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME, + "pkcs1(%s,%s)", rsa_alg->base.cra_driver_name, + hash_name) >= CRYPTO_MAX_ALG_NAME) + goto err_free_inst; + + inst->alg.base.cra_priority = rsa_alg->base.cra_priority; + inst->alg.base.cra_ctxsize = sizeof(struct rsassa_pkcs1_ctx); + + inst->alg.init = rsassa_pkcs1_init_tfm; + inst->alg.exit = rsassa_pkcs1_exit_tfm; + + inst->alg.sign = rsassa_pkcs1_sign; + inst->alg.verify = rsassa_pkcs1_verify; + inst->alg.key_size = rsassa_pkcs1_key_size; + inst->alg.set_pub_key = rsassa_pkcs1_set_pub_key; + inst->alg.set_priv_key = rsassa_pkcs1_set_priv_key; + + inst->free = rsassa_pkcs1_free; + + err = sig_register_instance(tmpl, inst); + if (err) { +err_free_inst: + rsassa_pkcs1_free(inst); + } + return err; +} + +struct crypto_template rsassa_pkcs1_tmpl = { + .name = "pkcs1", + .create = rsassa_pkcs1_create, + .module = THIS_MODULE, +}; + +MODULE_ALIAS_CRYPTO("pkcs1"); diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c index 16f6ba896fb6..be0e24843806 100644 --- a/crypto/scatterwalk.c +++ b/crypto/scatterwalk.c @@ -15,59 +15,170 @@ #include <linux/module.h> #include <linux/scatterlist.h> -static inline void memcpy_dir(void *buf, void *sgdata, size_t nbytes, int out) +void scatterwalk_skip(struct scatter_walk *walk, unsigned int nbytes) { - void *src = out ? buf : sgdata; - void *dst = out ? sgdata : buf; + struct scatterlist *sg = walk->sg; - memcpy(dst, src, nbytes); + nbytes += walk->offset - sg->offset; + + while (nbytes > sg->length) { + nbytes -= sg->length; + sg = sg_next(sg); + } + walk->sg = sg; + walk->offset = sg->offset + nbytes; } +EXPORT_SYMBOL_GPL(scatterwalk_skip); -void scatterwalk_copychunks(void *buf, struct scatter_walk *walk, - size_t nbytes, int out) +inline void memcpy_from_scatterwalk(void *buf, struct scatter_walk *walk, + unsigned int nbytes) { - for (;;) { - unsigned int len_this_page = scatterwalk_pagelen(walk); - u8 *vaddr; + do { + unsigned int to_copy; + + to_copy = scatterwalk_next(walk, nbytes); + memcpy(buf, walk->addr, to_copy); + scatterwalk_done_src(walk, to_copy); + buf += to_copy; + nbytes -= to_copy; + } while (nbytes); +} +EXPORT_SYMBOL_GPL(memcpy_from_scatterwalk); - if (len_this_page > nbytes) - len_this_page = nbytes; +inline void memcpy_to_scatterwalk(struct scatter_walk *walk, const void *buf, + unsigned int nbytes) +{ + do { + unsigned int to_copy; + + to_copy = scatterwalk_next(walk, nbytes); + memcpy(walk->addr, buf, to_copy); + scatterwalk_done_dst(walk, to_copy); + buf += to_copy; + nbytes -= to_copy; + } while (nbytes); +} +EXPORT_SYMBOL_GPL(memcpy_to_scatterwalk); - if (out != 2) { - vaddr = scatterwalk_map(walk); - memcpy_dir(buf, vaddr, len_this_page, out); - scatterwalk_unmap(vaddr); - } +void memcpy_from_sglist(void *buf, struct scatterlist *sg, + unsigned int start, unsigned int nbytes) +{ + struct scatter_walk walk; - scatterwalk_advance(walk, len_this_page); + if (unlikely(nbytes == 0)) /* in case sg == NULL */ + return; - if (nbytes == len_this_page) - break; + scatterwalk_start_at_pos(&walk, sg, start); + memcpy_from_scatterwalk(buf, &walk, nbytes); +} +EXPORT_SYMBOL_GPL(memcpy_from_sglist); - buf += len_this_page; - nbytes -= len_this_page; +void memcpy_to_sglist(struct scatterlist *sg, unsigned int start, + const void *buf, unsigned int nbytes) +{ + struct scatter_walk walk; - scatterwalk_pagedone(walk, out & 1, 1); - } + if (unlikely(nbytes == 0)) /* in case sg == NULL */ + return; + + scatterwalk_start_at_pos(&walk, sg, start); + memcpy_to_scatterwalk(&walk, buf, nbytes); } -EXPORT_SYMBOL_GPL(scatterwalk_copychunks); +EXPORT_SYMBOL_GPL(memcpy_to_sglist); -void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg, - unsigned int start, unsigned int nbytes, int out) +/** + * memcpy_sglist() - Copy data from one scatterlist to another + * @dst: The destination scatterlist. Can be NULL if @nbytes == 0. + * @src: The source scatterlist. Can be NULL if @nbytes == 0. + * @nbytes: Number of bytes to copy + * + * The scatterlists can describe exactly the same memory, in which case this + * function is a no-op. No other overlaps are supported. + * + * Context: Any context + */ +void memcpy_sglist(struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) { - struct scatter_walk walk; - struct scatterlist tmp[2]; + unsigned int src_offset, dst_offset; - if (!nbytes) + if (unlikely(nbytes == 0)) /* in case src and/or dst is NULL */ return; - sg = scatterwalk_ffwd(tmp, sg, start); + src_offset = src->offset; + dst_offset = dst->offset; + for (;;) { + /* Compute the length to copy this step. */ + unsigned int len = min3(src->offset + src->length - src_offset, + dst->offset + dst->length - dst_offset, + nbytes); + struct page *src_page = sg_page(src); + struct page *dst_page = sg_page(dst); + const void *src_virt; + void *dst_virt; + + if (IS_ENABLED(CONFIG_HIGHMEM)) { + /* HIGHMEM: we may have to actually map the pages. */ + const unsigned int src_oip = offset_in_page(src_offset); + const unsigned int dst_oip = offset_in_page(dst_offset); + const unsigned int limit = PAGE_SIZE; + + /* Further limit len to not cross a page boundary. */ + len = min3(len, limit - src_oip, limit - dst_oip); + + /* Compute the source and destination pages. */ + src_page += src_offset / PAGE_SIZE; + dst_page += dst_offset / PAGE_SIZE; + + if (src_page != dst_page) { + /* Copy between different pages. */ + memcpy_page(dst_page, dst_oip, + src_page, src_oip, len); + flush_dcache_page(dst_page); + } else if (src_oip != dst_oip) { + /* Copy between different parts of same page. */ + dst_virt = kmap_local_page(dst_page); + memcpy(dst_virt + dst_oip, dst_virt + src_oip, + len); + kunmap_local(dst_virt); + flush_dcache_page(dst_page); + } /* Else, it's the same memory. No action needed. */ + } else { + /* + * !HIGHMEM: no mapping needed. Just work in the linear + * buffer of each sg entry. Note that we can cross page + * boundaries, as they are not significant in this case. + */ + src_virt = page_address(src_page) + src_offset; + dst_virt = page_address(dst_page) + dst_offset; + if (src_virt != dst_virt) { + memcpy(dst_virt, src_virt, len); + if (ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE) + __scatterwalk_flush_dcache_pages( + dst_page, dst_offset, len); + } /* Else, it's the same memory. No action needed. */ + } + nbytes -= len; + if (nbytes == 0) /* No more to copy? */ + break; - scatterwalk_start(&walk, sg); - scatterwalk_copychunks(buf, &walk, nbytes, out); - scatterwalk_done(&walk, out, 0); + /* + * There's more to copy. Advance the offsets by the length + * copied this step, and advance the sg entries as needed. + */ + src_offset += len; + if (src_offset >= src->offset + src->length) { + src = sg_next(src); + src_offset = src->offset; + } + dst_offset += len; + if (dst_offset >= dst->offset + dst->length) { + dst = sg_next(dst); + dst_offset = dst->offset; + } + } } -EXPORT_SYMBOL_GPL(scatterwalk_map_and_copy); +EXPORT_SYMBOL_GPL(memcpy_sglist); struct scatterlist *scatterwalk_ffwd(struct scatterlist dst[2], struct scatterlist *src, diff --git a/crypto/scompress.c b/crypto/scompress.c index 442a82c9de7d..1a7ed8ae65b0 100644 --- a/crypto/scompress.c +++ b/crypto/scompress.c @@ -7,26 +7,30 @@ * Author: Giovanni Cabiddu <giovanni.cabiddu@intel.com> */ -#include <crypto/internal/acompress.h> #include <crypto/internal/scompress.h> #include <crypto/scatterwalk.h> +#include <linux/cpumask.h> #include <linux/cryptouser.h> #include <linux/err.h> +#include <linux/highmem.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/overflow.h> #include <linux/scatterlist.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/vmalloc.h> +#include <linux/workqueue.h> #include <net/netlink.h> #include "compress.h" struct scomp_scratch { spinlock_t lock; - void *src; - void *dst; + union { + void *src; + unsigned long saddr; + }; }; static DEFINE_PER_CPU(struct scomp_scratch, scomp_scratch) = { @@ -37,6 +41,10 @@ static const struct crypto_type crypto_scomp_type; static int scomp_scratch_users; static DEFINE_MUTEX(scomp_lock); +static cpumask_t scomp_scratch_want; +static void scomp_scratch_workfn(struct work_struct *work); +static DECLARE_WORK(scomp_scratch_work, scomp_scratch_workfn); + static int __maybe_unused crypto_scomp_report( struct sk_buff *skb, struct crypto_alg *alg) { @@ -66,91 +74,206 @@ static void crypto_scomp_free_scratches(void) for_each_possible_cpu(i) { scratch = per_cpu_ptr(&scomp_scratch, i); - vfree(scratch->src); - vfree(scratch->dst); + free_page(scratch->saddr); scratch->src = NULL; - scratch->dst = NULL; } } -static int crypto_scomp_alloc_scratches(void) +static int scomp_alloc_scratch(struct scomp_scratch *scratch, int cpu) { - struct scomp_scratch *scratch; - int i; + int node = cpu_to_node(cpu); + struct page *page; + + page = alloc_pages_node(node, GFP_KERNEL, 0); + if (!page) + return -ENOMEM; + spin_lock_bh(&scratch->lock); + scratch->src = page_address(page); + spin_unlock_bh(&scratch->lock); + return 0; +} - for_each_possible_cpu(i) { - void *mem; +static void scomp_scratch_workfn(struct work_struct *work) +{ + int cpu; - scratch = per_cpu_ptr(&scomp_scratch, i); + for_each_cpu(cpu, &scomp_scratch_want) { + struct scomp_scratch *scratch; + + scratch = per_cpu_ptr(&scomp_scratch, cpu); + if (scratch->src) + continue; + if (scomp_alloc_scratch(scratch, cpu)) + break; - mem = vmalloc_node(SCOMP_SCRATCH_SIZE, cpu_to_node(i)); - if (!mem) - goto error; - scratch->src = mem; - mem = vmalloc_node(SCOMP_SCRATCH_SIZE, cpu_to_node(i)); - if (!mem) - goto error; - scratch->dst = mem; + cpumask_clear_cpu(cpu, &scomp_scratch_want); } - return 0; -error: - crypto_scomp_free_scratches(); - return -ENOMEM; +} + +static int crypto_scomp_alloc_scratches(void) +{ + unsigned int i = cpumask_first(cpu_possible_mask); + struct scomp_scratch *scratch; + + scratch = per_cpu_ptr(&scomp_scratch, i); + return scomp_alloc_scratch(scratch, i); } static int crypto_scomp_init_tfm(struct crypto_tfm *tfm) { + struct scomp_alg *alg = crypto_scomp_alg(__crypto_scomp_tfm(tfm)); int ret = 0; mutex_lock(&scomp_lock); - if (!scomp_scratch_users++) + ret = crypto_acomp_alloc_streams(&alg->streams); + if (ret) + goto unlock; + if (!scomp_scratch_users++) { ret = crypto_scomp_alloc_scratches(); + if (ret) + scomp_scratch_users--; + } +unlock: mutex_unlock(&scomp_lock); return ret; } +static struct scomp_scratch *scomp_lock_scratch(void) __acquires(scratch) +{ + int cpu = raw_smp_processor_id(); + struct scomp_scratch *scratch; + + scratch = per_cpu_ptr(&scomp_scratch, cpu); + spin_lock(&scratch->lock); + if (likely(scratch->src)) + return scratch; + spin_unlock(&scratch->lock); + + cpumask_set_cpu(cpu, &scomp_scratch_want); + schedule_work(&scomp_scratch_work); + + scratch = per_cpu_ptr(&scomp_scratch, cpumask_first(cpu_possible_mask)); + spin_lock(&scratch->lock); + return scratch; +} + +static inline void scomp_unlock_scratch(struct scomp_scratch *scratch) + __releases(scratch) +{ + spin_unlock(&scratch->lock); +} + static int scomp_acomp_comp_decomp(struct acomp_req *req, int dir) { struct crypto_acomp *tfm = crypto_acomp_reqtfm(req); - void **tfm_ctx = acomp_tfm_ctx(tfm); + struct crypto_scomp **tfm_ctx = acomp_tfm_ctx(tfm); + bool src_isvirt = acomp_request_src_isvirt(req); + bool dst_isvirt = acomp_request_dst_isvirt(req); struct crypto_scomp *scomp = *tfm_ctx; - void **ctx = acomp_request_ctx(req); + struct crypto_acomp_stream *stream; struct scomp_scratch *scratch; + unsigned int slen = req->slen; + unsigned int dlen = req->dlen; + struct page *spage, *dpage; + unsigned int n; + const u8 *src; + size_t soff; + size_t doff; + u8 *dst; int ret; - if (!req->src || !req->slen || req->slen > SCOMP_SCRATCH_SIZE) + if (!req->src || !slen) return -EINVAL; - if (req->dst && !req->dlen) + if (!req->dst || !dlen) return -EINVAL; - if (!req->dlen || req->dlen > SCOMP_SCRATCH_SIZE) - req->dlen = SCOMP_SCRATCH_SIZE; + if (dst_isvirt) + dst = req->dvirt; + else { + if (dlen <= req->dst->length) { + dpage = sg_page(req->dst); + doff = req->dst->offset; + } else + return -ENOSYS; + + dpage += doff / PAGE_SIZE; + doff = offset_in_page(doff); + + n = (dlen - 1) / PAGE_SIZE; + n += (offset_in_page(dlen - 1) + doff) / PAGE_SIZE; + if (PageHighMem(dpage + n) && + size_add(doff, dlen) > PAGE_SIZE) + return -ENOSYS; + dst = kmap_local_page(dpage) + doff; + } + + if (src_isvirt) + src = req->svirt; + else { + src = NULL; + do { + if (slen <= req->src->length) { + spage = sg_page(req->src); + soff = req->src->offset; + } else + break; + + spage = spage + soff / PAGE_SIZE; + soff = offset_in_page(soff); + + n = (slen - 1) / PAGE_SIZE; + n += (offset_in_page(slen - 1) + soff) / PAGE_SIZE; + if (PageHighMem(spage + n) && + size_add(soff, slen) > PAGE_SIZE) + break; + src = kmap_local_page(spage) + soff; + } while (0); + } + + stream = crypto_acomp_lock_stream_bh(&crypto_scomp_alg(scomp)->streams); - scratch = raw_cpu_ptr(&scomp_scratch); - spin_lock(&scratch->lock); + if (!src_isvirt && !src) { + const u8 *src; - scatterwalk_map_and_copy(scratch->src, req->src, 0, req->slen, 0); - if (dir) - ret = crypto_scomp_compress(scomp, scratch->src, req->slen, - scratch->dst, &req->dlen, *ctx); + scratch = scomp_lock_scratch(); + src = scratch->src; + memcpy_from_sglist(scratch->src, req->src, 0, slen); + + if (dir) + ret = crypto_scomp_compress(scomp, src, slen, + dst, &dlen, stream->ctx); + else + ret = crypto_scomp_decompress(scomp, src, slen, + dst, &dlen, stream->ctx); + + scomp_unlock_scratch(scratch); + } else if (dir) + ret = crypto_scomp_compress(scomp, src, slen, + dst, &dlen, stream->ctx); else - ret = crypto_scomp_decompress(scomp, scratch->src, req->slen, - scratch->dst, &req->dlen, *ctx); - if (!ret) { - if (!req->dst) { - req->dst = sgl_alloc(req->dlen, GFP_ATOMIC, NULL); - if (!req->dst) { - ret = -ENOMEM; - goto out; - } + ret = crypto_scomp_decompress(scomp, src, slen, + dst, &dlen, stream->ctx); + + crypto_acomp_unlock_stream_bh(stream); + + req->dlen = dlen; + + if (!src_isvirt && src) + kunmap_local(src); + if (!dst_isvirt) { + kunmap_local(dst); + dlen += doff; + for (;;) { + flush_dcache_page(dpage); + if (dlen <= PAGE_SIZE) + break; + dlen -= PAGE_SIZE; + dpage++; } - scatterwalk_map_and_copy(scratch->dst, req->dst, 0, req->dlen, - 1); } -out: - spin_unlock(&scratch->lock); + return ret; } @@ -170,6 +293,7 @@ static void crypto_exit_scomp_ops_async(struct crypto_tfm *tfm) crypto_free_scomp(*ctx); + flush_work(&scomp_scratch_work); mutex_lock(&scomp_lock); if (!--scomp_scratch_users) crypto_scomp_free_scratches(); @@ -197,67 +321,49 @@ int crypto_init_scomp_ops_async(struct crypto_tfm *tfm) crt->compress = scomp_acomp_compress; crt->decompress = scomp_acomp_decompress; - crt->dst_free = sgl_free; - crt->reqsize = sizeof(void *); return 0; } -struct acomp_req *crypto_acomp_scomp_alloc_ctx(struct acomp_req *req) -{ - struct crypto_acomp *acomp = crypto_acomp_reqtfm(req); - struct crypto_tfm *tfm = crypto_acomp_tfm(acomp); - struct crypto_scomp **tfm_ctx = crypto_tfm_ctx(tfm); - struct crypto_scomp *scomp = *tfm_ctx; - void *ctx; - - ctx = crypto_scomp_alloc_ctx(scomp); - if (IS_ERR(ctx)) { - kfree(req); - return NULL; - } - - *req->__ctx = ctx; - - return req; -} - -void crypto_acomp_scomp_free_ctx(struct acomp_req *req) +static void crypto_scomp_destroy(struct crypto_alg *alg) { - struct crypto_acomp *acomp = crypto_acomp_reqtfm(req); - struct crypto_tfm *tfm = crypto_acomp_tfm(acomp); - struct crypto_scomp **tfm_ctx = crypto_tfm_ctx(tfm); - struct crypto_scomp *scomp = *tfm_ctx; - void *ctx = *req->__ctx; + struct scomp_alg *scomp = __crypto_scomp_alg(alg); - if (ctx) - crypto_scomp_free_ctx(scomp, ctx); + crypto_acomp_free_streams(&scomp->streams); } static const struct crypto_type crypto_scomp_type = { .extsize = crypto_alg_extsize, .init_tfm = crypto_scomp_init_tfm, + .destroy = crypto_scomp_destroy, #ifdef CONFIG_PROC_FS .show = crypto_scomp_show, #endif #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_scomp_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_acomp_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_MASK, .type = CRYPTO_ALG_TYPE_SCOMPRESS, .tfmsize = offsetof(struct crypto_scomp, base), + .algsize = offsetof(struct scomp_alg, base), }; -int crypto_register_scomp(struct scomp_alg *alg) +static void scomp_prepare_alg(struct scomp_alg *alg) { struct crypto_alg *base = &alg->calg.base; comp_prepare_alg(&alg->calg); + base->cra_flags |= CRYPTO_ALG_REQ_VIRT; +} + +int crypto_register_scomp(struct scomp_alg *alg) +{ + struct crypto_alg *base = &alg->calg.base; + + scomp_prepare_alg(alg); + base->cra_type = &crypto_scomp_type; base->cra_flags |= CRYPTO_ALG_TYPE_SCOMPRESS; diff --git a/crypto/seed.c b/crypto/seed.c index d0506ade2a5f..815391f213de 100644 --- a/crypto/seed.c +++ b/crypto/seed.c @@ -13,7 +13,7 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/errno.h> -#include <asm/byteorder.h> +#include <linux/unaligned.h> #define SEED_NUM_KCONSTANTS 16 #define SEED_KEY_SIZE 16 @@ -329,13 +329,12 @@ static int seed_set_key(struct crypto_tfm *tfm, const u8 *in_key, { struct seed_ctx *ctx = crypto_tfm_ctx(tfm); u32 *keyout = ctx->keysched; - const __be32 *key = (const __be32 *)in_key; u32 i, t0, t1, x1, x2, x3, x4; - x1 = be32_to_cpu(key[0]); - x2 = be32_to_cpu(key[1]); - x3 = be32_to_cpu(key[2]); - x4 = be32_to_cpu(key[3]); + x1 = get_unaligned_be32(&in_key[0]); + x2 = get_unaligned_be32(&in_key[4]); + x3 = get_unaligned_be32(&in_key[8]); + x4 = get_unaligned_be32(&in_key[12]); for (i = 0; i < SEED_NUM_KCONSTANTS; i++) { t0 = x1 + x3 - KC[i]; @@ -364,15 +363,13 @@ static int seed_set_key(struct crypto_tfm *tfm, const u8 *in_key, static void seed_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { const struct seed_ctx *ctx = crypto_tfm_ctx(tfm); - const __be32 *src = (const __be32 *)in; - __be32 *dst = (__be32 *)out; u32 x1, x2, x3, x4, t0, t1; const u32 *ks = ctx->keysched; - x1 = be32_to_cpu(src[0]); - x2 = be32_to_cpu(src[1]); - x3 = be32_to_cpu(src[2]); - x4 = be32_to_cpu(src[3]); + x1 = get_unaligned_be32(&in[0]); + x2 = get_unaligned_be32(&in[4]); + x3 = get_unaligned_be32(&in[8]); + x4 = get_unaligned_be32(&in[12]); OP(x1, x2, x3, x4, 0); OP(x3, x4, x1, x2, 2); @@ -391,10 +388,10 @@ static void seed_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) OP(x1, x2, x3, x4, 28); OP(x3, x4, x1, x2, 30); - dst[0] = cpu_to_be32(x3); - dst[1] = cpu_to_be32(x4); - dst[2] = cpu_to_be32(x1); - dst[3] = cpu_to_be32(x2); + put_unaligned_be32(x3, &out[0]); + put_unaligned_be32(x4, &out[4]); + put_unaligned_be32(x1, &out[8]); + put_unaligned_be32(x2, &out[12]); } /* decrypt a block of text */ @@ -402,15 +399,13 @@ static void seed_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) static void seed_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { const struct seed_ctx *ctx = crypto_tfm_ctx(tfm); - const __be32 *src = (const __be32 *)in; - __be32 *dst = (__be32 *)out; u32 x1, x2, x3, x4, t0, t1; const u32 *ks = ctx->keysched; - x1 = be32_to_cpu(src[0]); - x2 = be32_to_cpu(src[1]); - x3 = be32_to_cpu(src[2]); - x4 = be32_to_cpu(src[3]); + x1 = get_unaligned_be32(&in[0]); + x2 = get_unaligned_be32(&in[4]); + x3 = get_unaligned_be32(&in[8]); + x4 = get_unaligned_be32(&in[12]); OP(x1, x2, x3, x4, 30); OP(x3, x4, x1, x2, 28); @@ -429,10 +424,10 @@ static void seed_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) OP(x1, x2, x3, x4, 2); OP(x3, x4, x1, x2, 0); - dst[0] = cpu_to_be32(x3); - dst[1] = cpu_to_be32(x4); - dst[2] = cpu_to_be32(x1); - dst[3] = cpu_to_be32(x2); + put_unaligned_be32(x3, &out[0]); + put_unaligned_be32(x4, &out[4]); + put_unaligned_be32(x1, &out[8]); + put_unaligned_be32(x2, &out[12]); } @@ -443,7 +438,6 @@ static struct crypto_alg seed_alg = { .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = SEED_BLOCK_SIZE, .cra_ctxsize = sizeof(struct seed_ctx), - .cra_alignmask = 3, .cra_module = THIS_MODULE, .cra_u = { .cipher = { @@ -466,7 +460,7 @@ static void __exit seed_fini(void) crypto_unregister_alg(&seed_alg); } -subsys_initcall(seed_init); +module_init(seed_init); module_exit(seed_fini); MODULE_DESCRIPTION("SEED Cipher Algorithm"); diff --git a/crypto/seqiv.c b/crypto/seqiv.c index 17e11d51ddc3..2bae99e33526 100644 --- a/crypto/seqiv.c +++ b/crypto/seqiv.c @@ -64,20 +64,9 @@ static int seqiv_aead_encrypt(struct aead_request *req) data = req->base.data; info = req->iv; - if (req->src != req->dst) { - SYNC_SKCIPHER_REQUEST_ON_STACK(nreq, ctx->sknull); - - skcipher_request_set_sync_tfm(nreq, ctx->sknull); - skcipher_request_set_callback(nreq, req->base.flags, - NULL, NULL); - skcipher_request_set_crypt(nreq, req->src, req->dst, - req->assoclen + req->cryptlen, - NULL); - - err = crypto_skcipher_encrypt(nreq); - if (err) - return err; - } + if (req->src != req->dst) + memcpy_sglist(req->dst, req->src, + req->assoclen + req->cryptlen); if (unlikely(!IS_ALIGNED((unsigned long)info, crypto_aead_alignmask(geniv) + 1))) { @@ -179,7 +168,7 @@ static void __exit seqiv_module_exit(void) crypto_unregister_template(&seqiv_tmpl); } -subsys_initcall(seqiv_module_init); +module_init(seqiv_module_init); module_exit(seqiv_module_exit); MODULE_LICENSE("GPL"); diff --git a/crypto/serpent_generic.c b/crypto/serpent_generic.c index c6bca47931e2..b21e7606c652 100644 --- a/crypto/serpent_generic.c +++ b/crypto/serpent_generic.c @@ -11,7 +11,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/errno.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/types.h> #include <crypto/serpent.h> @@ -599,7 +599,7 @@ static void __exit serpent_mod_fini(void) crypto_unregister_alg(&srp_alg); } -subsys_initcall(serpent_mod_init); +module_init(serpent_mod_init); module_exit(serpent_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/sha1.c b/crypto/sha1.c new file mode 100644 index 000000000000..4fbf61cf0370 --- /dev/null +++ b/crypto/sha1.c @@ -0,0 +1,240 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Crypto API support for SHA-1 and HMAC-SHA1 + * + * Copyright (c) Alan Smithee. + * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> + * Copyright (c) Jean-Francois Dive <jef@linuxbe.org> + * Copyright 2025 Google LLC + */ +#include <crypto/internal/hash.h> +#include <crypto/sha1.h> +#include <linux/kernel.h> +#include <linux/module.h> + +/* + * Export and import functions. crypto_shash wants a particular format that + * matches that used by some legacy drivers. It currently is the same as the + * library SHA context, except the value in bytecount must be block-aligned and + * the remainder must be stored in an extra u8 appended to the struct. + */ + +#define SHA1_SHASH_STATE_SIZE (sizeof(struct sha1_ctx) + 1) +static_assert(sizeof(struct sha1_ctx) == sizeof(struct sha1_state)); +static_assert(offsetof(struct sha1_ctx, state) == offsetof(struct sha1_state, state)); +static_assert(offsetof(struct sha1_ctx, bytecount) == offsetof(struct sha1_state, count)); +static_assert(offsetof(struct sha1_ctx, buf) == offsetof(struct sha1_state, buffer)); + +static int __crypto_sha1_export(const struct sha1_ctx *ctx0, void *out) +{ + struct sha1_ctx ctx = *ctx0; + unsigned int partial; + u8 *p = out; + + partial = ctx.bytecount % SHA1_BLOCK_SIZE; + ctx.bytecount -= partial; + memcpy(p, &ctx, sizeof(ctx)); + p += sizeof(ctx); + *p = partial; + return 0; +} + +static int __crypto_sha1_import(struct sha1_ctx *ctx, const void *in) +{ + const u8 *p = in; + + memcpy(ctx, p, sizeof(*ctx)); + p += sizeof(*ctx); + ctx->bytecount += *p; + return 0; +} + +static int __crypto_sha1_export_core(const struct sha1_ctx *ctx, void *out) +{ + memcpy(out, ctx, offsetof(struct sha1_ctx, buf)); + return 0; +} + +static int __crypto_sha1_import_core(struct sha1_ctx *ctx, const void *in) +{ + memcpy(ctx, in, offsetof(struct sha1_ctx, buf)); + return 0; +} + +const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE] = { + 0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, + 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90, + 0xaf, 0xd8, 0x07, 0x09 +}; +EXPORT_SYMBOL_GPL(sha1_zero_message_hash); + +#define SHA1_CTX(desc) ((struct sha1_ctx *)shash_desc_ctx(desc)) + +static int crypto_sha1_init(struct shash_desc *desc) +{ + sha1_init(SHA1_CTX(desc)); + return 0; +} + +static int crypto_sha1_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + sha1_update(SHA1_CTX(desc), data, len); + return 0; +} + +static int crypto_sha1_final(struct shash_desc *desc, u8 *out) +{ + sha1_final(SHA1_CTX(desc), out); + return 0; +} + +static int crypto_sha1_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha1(data, len, out); + return 0; +} + +static int crypto_sha1_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha1_export(SHA1_CTX(desc), out); +} + +static int crypto_sha1_import(struct shash_desc *desc, const void *in) +{ + return __crypto_sha1_import(SHA1_CTX(desc), in); +} + +static int crypto_sha1_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha1_export_core(SHA1_CTX(desc), out); +} + +static int crypto_sha1_import_core(struct shash_desc *desc, const void *in) +{ + return __crypto_sha1_import_core(SHA1_CTX(desc), in); +} + +#define HMAC_SHA1_KEY(tfm) ((struct hmac_sha1_key *)crypto_shash_ctx(tfm)) +#define HMAC_SHA1_CTX(desc) ((struct hmac_sha1_ctx *)shash_desc_ctx(desc)) + +static int crypto_hmac_sha1_setkey(struct crypto_shash *tfm, + const u8 *raw_key, unsigned int keylen) +{ + hmac_sha1_preparekey(HMAC_SHA1_KEY(tfm), raw_key, keylen); + return 0; +} + +static int crypto_hmac_sha1_init(struct shash_desc *desc) +{ + hmac_sha1_init(HMAC_SHA1_CTX(desc), HMAC_SHA1_KEY(desc->tfm)); + return 0; +} + +static int crypto_hmac_sha1_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + hmac_sha1_update(HMAC_SHA1_CTX(desc), data, len); + return 0; +} + +static int crypto_hmac_sha1_final(struct shash_desc *desc, u8 *out) +{ + hmac_sha1_final(HMAC_SHA1_CTX(desc), out); + return 0; +} + +static int crypto_hmac_sha1_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + hmac_sha1(HMAC_SHA1_KEY(desc->tfm), data, len, out); + return 0; +} + +static int crypto_hmac_sha1_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha1_export(&HMAC_SHA1_CTX(desc)->sha_ctx, out); +} + +static int crypto_hmac_sha1_import(struct shash_desc *desc, const void *in) +{ + struct hmac_sha1_ctx *ctx = HMAC_SHA1_CTX(desc); + + ctx->ostate = HMAC_SHA1_KEY(desc->tfm)->ostate; + return __crypto_sha1_import(&ctx->sha_ctx, in); +} + +static int crypto_hmac_sha1_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha1_export_core(&HMAC_SHA1_CTX(desc)->sha_ctx, out); +} + +static int crypto_hmac_sha1_import_core(struct shash_desc *desc, const void *in) +{ + struct hmac_sha1_ctx *ctx = HMAC_SHA1_CTX(desc); + + ctx->ostate = HMAC_SHA1_KEY(desc->tfm)->ostate; + return __crypto_sha1_import_core(&ctx->sha_ctx, in); +} + +static struct shash_alg algs[] = { + { + .base.cra_name = "sha1", + .base.cra_driver_name = "sha1-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA1_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + .digestsize = SHA1_DIGEST_SIZE, + .init = crypto_sha1_init, + .update = crypto_sha1_update, + .final = crypto_sha1_final, + .digest = crypto_sha1_digest, + .export = crypto_sha1_export, + .import = crypto_sha1_import, + .export_core = crypto_sha1_export_core, + .import_core = crypto_sha1_import_core, + .descsize = sizeof(struct sha1_ctx), + .statesize = SHA1_SHASH_STATE_SIZE, + }, + { + .base.cra_name = "hmac(sha1)", + .base.cra_driver_name = "hmac-sha1-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA1_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct hmac_sha1_key), + .base.cra_module = THIS_MODULE, + .digestsize = SHA1_DIGEST_SIZE, + .setkey = crypto_hmac_sha1_setkey, + .init = crypto_hmac_sha1_init, + .update = crypto_hmac_sha1_update, + .final = crypto_hmac_sha1_final, + .digest = crypto_hmac_sha1_digest, + .export = crypto_hmac_sha1_export, + .import = crypto_hmac_sha1_import, + .export_core = crypto_hmac_sha1_export_core, + .import_core = crypto_hmac_sha1_import_core, + .descsize = sizeof(struct hmac_sha1_ctx), + .statesize = SHA1_SHASH_STATE_SIZE, + }, +}; + +static int __init crypto_sha1_mod_init(void) +{ + return crypto_register_shashes(algs, ARRAY_SIZE(algs)); +} +module_init(crypto_sha1_mod_init); + +static void __exit crypto_sha1_mod_exit(void) +{ + crypto_unregister_shashes(algs, ARRAY_SIZE(algs)); +} +module_exit(crypto_sha1_mod_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Crypto API support for SHA-1 and HMAC-SHA1"); + +MODULE_ALIAS_CRYPTO("sha1"); +MODULE_ALIAS_CRYPTO("sha1-lib"); +MODULE_ALIAS_CRYPTO("hmac(sha1)"); +MODULE_ALIAS_CRYPTO("hmac-sha1-lib"); diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c deleted file mode 100644 index 325b57fe28dc..000000000000 --- a/crypto/sha1_generic.c +++ /dev/null @@ -1,96 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Cryptographic API. - * - * SHA1 Secure Hash Algorithm. - * - * Derived from cryptoapi implementation, adapted for in-place - * scatterlist interface. - * - * Copyright (c) Alan Smithee. - * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> - * Copyright (c) Jean-Francois Dive <jef@linuxbe.org> - */ -#include <crypto/internal/hash.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/types.h> -#include <crypto/sha1.h> -#include <crypto/sha1_base.h> -#include <asm/byteorder.h> - -const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE] = { - 0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, - 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90, - 0xaf, 0xd8, 0x07, 0x09 -}; -EXPORT_SYMBOL_GPL(sha1_zero_message_hash); - -static void sha1_generic_block_fn(struct sha1_state *sst, u8 const *src, - int blocks) -{ - u32 temp[SHA1_WORKSPACE_WORDS]; - - while (blocks--) { - sha1_transform(sst->state, src, temp); - src += SHA1_BLOCK_SIZE; - } - memzero_explicit(temp, sizeof(temp)); -} - -int crypto_sha1_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -{ - return sha1_base_do_update(desc, data, len, sha1_generic_block_fn); -} -EXPORT_SYMBOL(crypto_sha1_update); - -static int sha1_final(struct shash_desc *desc, u8 *out) -{ - sha1_base_do_finalize(desc, sha1_generic_block_fn); - return sha1_base_finish(desc, out); -} - -int crypto_sha1_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - sha1_base_do_update(desc, data, len, sha1_generic_block_fn); - return sha1_final(desc, out); -} -EXPORT_SYMBOL(crypto_sha1_finup); - -static struct shash_alg alg = { - .digestsize = SHA1_DIGEST_SIZE, - .init = sha1_base_init, - .update = crypto_sha1_update, - .final = sha1_final, - .finup = crypto_sha1_finup, - .descsize = sizeof(struct sha1_state), - .base = { - .cra_name = "sha1", - .cra_driver_name= "sha1-generic", - .cra_priority = 100, - .cra_blocksize = SHA1_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - -static int __init sha1_generic_mod_init(void) -{ - return crypto_register_shash(&alg); -} - -static void __exit sha1_generic_mod_fini(void) -{ - crypto_unregister_shash(&alg); -} - -subsys_initcall(sha1_generic_mod_init); -module_exit(sha1_generic_mod_fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm"); - -MODULE_ALIAS_CRYPTO("sha1"); -MODULE_ALIAS_CRYPTO("sha1-generic"); diff --git a/crypto/sha256.c b/crypto/sha256.c new file mode 100644 index 000000000000..fb81defe084c --- /dev/null +++ b/crypto/sha256.c @@ -0,0 +1,419 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Crypto API support for SHA-224, SHA-256, HMAC-SHA224, and HMAC-SHA256 + * + * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com> + * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> + * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> + * SHA224 Support Copyright 2007 Intel Corporation <jonathan.lynch@intel.com> + * Copyright 2025 Google LLC + */ +#include <crypto/internal/hash.h> +#include <crypto/sha2.h> +#include <linux/kernel.h> +#include <linux/module.h> + +/* + * Export and import functions. crypto_shash wants a particular format that + * matches that used by some legacy drivers. It currently is the same as the + * library SHA context, except the value in bytecount must be block-aligned and + * the remainder must be stored in an extra u8 appended to the struct. + */ + +#define SHA256_SHASH_STATE_SIZE 105 +static_assert(offsetof(struct __sha256_ctx, state) == 0); +static_assert(offsetof(struct __sha256_ctx, bytecount) == 32); +static_assert(offsetof(struct __sha256_ctx, buf) == 40); +static_assert(sizeof(struct __sha256_ctx) + 1 == SHA256_SHASH_STATE_SIZE); + +static int __crypto_sha256_export(const struct __sha256_ctx *ctx0, void *out) +{ + struct __sha256_ctx ctx = *ctx0; + unsigned int partial; + u8 *p = out; + + partial = ctx.bytecount % SHA256_BLOCK_SIZE; + ctx.bytecount -= partial; + memcpy(p, &ctx, sizeof(ctx)); + p += sizeof(ctx); + *p = partial; + return 0; +} + +static int __crypto_sha256_import(struct __sha256_ctx *ctx, const void *in) +{ + const u8 *p = in; + + memcpy(ctx, p, sizeof(*ctx)); + p += sizeof(*ctx); + ctx->bytecount += *p; + return 0; +} + +static int __crypto_sha256_export_core(const struct __sha256_ctx *ctx, + void *out) +{ + memcpy(out, ctx, offsetof(struct __sha256_ctx, buf)); + return 0; +} + +static int __crypto_sha256_import_core(struct __sha256_ctx *ctx, const void *in) +{ + memcpy(ctx, in, offsetof(struct __sha256_ctx, buf)); + return 0; +} + +/* SHA-224 */ + +const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE] = { + 0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9, 0x47, + 0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4, 0x15, 0xa2, + 0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a, 0xc5, 0xb3, 0xe4, + 0x2f +}; +EXPORT_SYMBOL_GPL(sha224_zero_message_hash); + +#define SHA224_CTX(desc) ((struct sha224_ctx *)shash_desc_ctx(desc)) + +static int crypto_sha224_init(struct shash_desc *desc) +{ + sha224_init(SHA224_CTX(desc)); + return 0; +} + +static int crypto_sha224_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + sha224_update(SHA224_CTX(desc), data, len); + return 0; +} + +static int crypto_sha224_final(struct shash_desc *desc, u8 *out) +{ + sha224_final(SHA224_CTX(desc), out); + return 0; +} + +static int crypto_sha224_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha224(data, len, out); + return 0; +} + +static int crypto_sha224_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha256_export(&SHA224_CTX(desc)->ctx, out); +} + +static int crypto_sha224_import(struct shash_desc *desc, const void *in) +{ + return __crypto_sha256_import(&SHA224_CTX(desc)->ctx, in); +} + +static int crypto_sha224_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha256_export_core(&SHA224_CTX(desc)->ctx, out); +} + +static int crypto_sha224_import_core(struct shash_desc *desc, const void *in) +{ + return __crypto_sha256_import_core(&SHA224_CTX(desc)->ctx, in); +} + +/* SHA-256 */ + +const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE] = { + 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, + 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, + 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, + 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55 +}; +EXPORT_SYMBOL_GPL(sha256_zero_message_hash); + +#define SHA256_CTX(desc) ((struct sha256_ctx *)shash_desc_ctx(desc)) + +static int crypto_sha256_init(struct shash_desc *desc) +{ + sha256_init(SHA256_CTX(desc)); + return 0; +} + +static int crypto_sha256_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + sha256_update(SHA256_CTX(desc), data, len); + return 0; +} + +static int crypto_sha256_final(struct shash_desc *desc, u8 *out) +{ + sha256_final(SHA256_CTX(desc), out); + return 0; +} + +static int crypto_sha256_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha256(data, len, out); + return 0; +} + +static int crypto_sha256_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha256_export(&SHA256_CTX(desc)->ctx, out); +} + +static int crypto_sha256_import(struct shash_desc *desc, const void *in) +{ + return __crypto_sha256_import(&SHA256_CTX(desc)->ctx, in); +} + +static int crypto_sha256_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha256_export_core(&SHA256_CTX(desc)->ctx, out); +} + +static int crypto_sha256_import_core(struct shash_desc *desc, const void *in) +{ + return __crypto_sha256_import_core(&SHA256_CTX(desc)->ctx, in); +} + +/* HMAC-SHA224 */ + +#define HMAC_SHA224_KEY(tfm) ((struct hmac_sha224_key *)crypto_shash_ctx(tfm)) +#define HMAC_SHA224_CTX(desc) ((struct hmac_sha224_ctx *)shash_desc_ctx(desc)) + +static int crypto_hmac_sha224_setkey(struct crypto_shash *tfm, + const u8 *raw_key, unsigned int keylen) +{ + hmac_sha224_preparekey(HMAC_SHA224_KEY(tfm), raw_key, keylen); + return 0; +} + +static int crypto_hmac_sha224_init(struct shash_desc *desc) +{ + hmac_sha224_init(HMAC_SHA224_CTX(desc), HMAC_SHA224_KEY(desc->tfm)); + return 0; +} + +static int crypto_hmac_sha224_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + hmac_sha224_update(HMAC_SHA224_CTX(desc), data, len); + return 0; +} + +static int crypto_hmac_sha224_final(struct shash_desc *desc, u8 *out) +{ + hmac_sha224_final(HMAC_SHA224_CTX(desc), out); + return 0; +} + +static int crypto_hmac_sha224_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, + u8 *out) +{ + hmac_sha224(HMAC_SHA224_KEY(desc->tfm), data, len, out); + return 0; +} + +static int crypto_hmac_sha224_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha256_export(&HMAC_SHA224_CTX(desc)->ctx.sha_ctx, out); +} + +static int crypto_hmac_sha224_import(struct shash_desc *desc, const void *in) +{ + struct hmac_sha224_ctx *ctx = HMAC_SHA224_CTX(desc); + + ctx->ctx.ostate = HMAC_SHA224_KEY(desc->tfm)->key.ostate; + return __crypto_sha256_import(&ctx->ctx.sha_ctx, in); +} + +static int crypto_hmac_sha224_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha256_export_core(&HMAC_SHA224_CTX(desc)->ctx.sha_ctx, + out); +} + +static int crypto_hmac_sha224_import_core(struct shash_desc *desc, + const void *in) +{ + struct hmac_sha224_ctx *ctx = HMAC_SHA224_CTX(desc); + + ctx->ctx.ostate = HMAC_SHA224_KEY(desc->tfm)->key.ostate; + return __crypto_sha256_import_core(&ctx->ctx.sha_ctx, in); +} + +/* HMAC-SHA256 */ + +#define HMAC_SHA256_KEY(tfm) ((struct hmac_sha256_key *)crypto_shash_ctx(tfm)) +#define HMAC_SHA256_CTX(desc) ((struct hmac_sha256_ctx *)shash_desc_ctx(desc)) + +static int crypto_hmac_sha256_setkey(struct crypto_shash *tfm, + const u8 *raw_key, unsigned int keylen) +{ + hmac_sha256_preparekey(HMAC_SHA256_KEY(tfm), raw_key, keylen); + return 0; +} + +static int crypto_hmac_sha256_init(struct shash_desc *desc) +{ + hmac_sha256_init(HMAC_SHA256_CTX(desc), HMAC_SHA256_KEY(desc->tfm)); + return 0; +} + +static int crypto_hmac_sha256_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + hmac_sha256_update(HMAC_SHA256_CTX(desc), data, len); + return 0; +} + +static int crypto_hmac_sha256_final(struct shash_desc *desc, u8 *out) +{ + hmac_sha256_final(HMAC_SHA256_CTX(desc), out); + return 0; +} + +static int crypto_hmac_sha256_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, + u8 *out) +{ + hmac_sha256(HMAC_SHA256_KEY(desc->tfm), data, len, out); + return 0; +} + +static int crypto_hmac_sha256_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha256_export(&HMAC_SHA256_CTX(desc)->ctx.sha_ctx, out); +} + +static int crypto_hmac_sha256_import(struct shash_desc *desc, const void *in) +{ + struct hmac_sha256_ctx *ctx = HMAC_SHA256_CTX(desc); + + ctx->ctx.ostate = HMAC_SHA256_KEY(desc->tfm)->key.ostate; + return __crypto_sha256_import(&ctx->ctx.sha_ctx, in); +} + +static int crypto_hmac_sha256_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha256_export_core(&HMAC_SHA256_CTX(desc)->ctx.sha_ctx, + out); +} + +static int crypto_hmac_sha256_import_core(struct shash_desc *desc, + const void *in) +{ + struct hmac_sha256_ctx *ctx = HMAC_SHA256_CTX(desc); + + ctx->ctx.ostate = HMAC_SHA256_KEY(desc->tfm)->key.ostate; + return __crypto_sha256_import_core(&ctx->ctx.sha_ctx, in); +} + +/* Algorithm definitions */ + +static struct shash_alg algs[] = { + { + .base.cra_name = "sha224", + .base.cra_driver_name = "sha224-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA224_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + .digestsize = SHA224_DIGEST_SIZE, + .init = crypto_sha224_init, + .update = crypto_sha224_update, + .final = crypto_sha224_final, + .digest = crypto_sha224_digest, + .export = crypto_sha224_export, + .import = crypto_sha224_import, + .export_core = crypto_sha224_export_core, + .import_core = crypto_sha224_import_core, + .descsize = sizeof(struct sha224_ctx), + .statesize = SHA256_SHASH_STATE_SIZE, + }, + { + .base.cra_name = "sha256", + .base.cra_driver_name = "sha256-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA256_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + .digestsize = SHA256_DIGEST_SIZE, + .init = crypto_sha256_init, + .update = crypto_sha256_update, + .final = crypto_sha256_final, + .digest = crypto_sha256_digest, + .export = crypto_sha256_export, + .import = crypto_sha256_import, + .export_core = crypto_sha256_export_core, + .import_core = crypto_sha256_import_core, + .descsize = sizeof(struct sha256_ctx), + .statesize = SHA256_SHASH_STATE_SIZE, + }, + { + .base.cra_name = "hmac(sha224)", + .base.cra_driver_name = "hmac-sha224-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA224_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct hmac_sha224_key), + .base.cra_module = THIS_MODULE, + .digestsize = SHA224_DIGEST_SIZE, + .setkey = crypto_hmac_sha224_setkey, + .init = crypto_hmac_sha224_init, + .update = crypto_hmac_sha224_update, + .final = crypto_hmac_sha224_final, + .digest = crypto_hmac_sha224_digest, + .export = crypto_hmac_sha224_export, + .import = crypto_hmac_sha224_import, + .export_core = crypto_hmac_sha224_export_core, + .import_core = crypto_hmac_sha224_import_core, + .descsize = sizeof(struct hmac_sha224_ctx), + .statesize = SHA256_SHASH_STATE_SIZE, + }, + { + .base.cra_name = "hmac(sha256)", + .base.cra_driver_name = "hmac-sha256-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA256_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct hmac_sha256_key), + .base.cra_module = THIS_MODULE, + .digestsize = SHA256_DIGEST_SIZE, + .setkey = crypto_hmac_sha256_setkey, + .init = crypto_hmac_sha256_init, + .update = crypto_hmac_sha256_update, + .final = crypto_hmac_sha256_final, + .digest = crypto_hmac_sha256_digest, + .export = crypto_hmac_sha256_export, + .import = crypto_hmac_sha256_import, + .export_core = crypto_hmac_sha256_export_core, + .import_core = crypto_hmac_sha256_import_core, + .descsize = sizeof(struct hmac_sha256_ctx), + .statesize = SHA256_SHASH_STATE_SIZE, + }, +}; + +static int __init crypto_sha256_mod_init(void) +{ + return crypto_register_shashes(algs, ARRAY_SIZE(algs)); +} +module_init(crypto_sha256_mod_init); + +static void __exit crypto_sha256_mod_exit(void) +{ + crypto_unregister_shashes(algs, ARRAY_SIZE(algs)); +} +module_exit(crypto_sha256_mod_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Crypto API support for SHA-224, SHA-256, HMAC-SHA224, and HMAC-SHA256"); + +MODULE_ALIAS_CRYPTO("sha224"); +MODULE_ALIAS_CRYPTO("sha224-lib"); +MODULE_ALIAS_CRYPTO("sha256"); +MODULE_ALIAS_CRYPTO("sha256-lib"); +MODULE_ALIAS_CRYPTO("hmac(sha224)"); +MODULE_ALIAS_CRYPTO("hmac-sha224-lib"); +MODULE_ALIAS_CRYPTO("hmac(sha256)"); +MODULE_ALIAS_CRYPTO("hmac-sha256-lib"); diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c deleted file mode 100644 index bf147b01e313..000000000000 --- a/crypto/sha256_generic.c +++ /dev/null @@ -1,110 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Crypto API wrapper for the generic SHA256 code from lib/crypto/sha256.c - * - * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com> - * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * SHA224 Support Copyright 2007 Intel Corporation <jonathan.lynch@intel.com> - */ -#include <crypto/internal/hash.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/types.h> -#include <crypto/sha2.h> -#include <crypto/sha256_base.h> -#include <asm/byteorder.h> -#include <asm/unaligned.h> - -const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE] = { - 0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9, 0x47, - 0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4, 0x15, 0xa2, - 0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a, 0xc5, 0xb3, 0xe4, - 0x2f -}; -EXPORT_SYMBOL_GPL(sha224_zero_message_hash); - -const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE] = { - 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, - 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, - 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, - 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55 -}; -EXPORT_SYMBOL_GPL(sha256_zero_message_hash); - -int crypto_sha256_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -{ - sha256_update(shash_desc_ctx(desc), data, len); - return 0; -} -EXPORT_SYMBOL(crypto_sha256_update); - -static int crypto_sha256_final(struct shash_desc *desc, u8 *out) -{ - if (crypto_shash_digestsize(desc->tfm) == SHA224_DIGEST_SIZE) - sha224_final(shash_desc_ctx(desc), out); - else - sha256_final(shash_desc_ctx(desc), out); - return 0; -} - -int crypto_sha256_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *hash) -{ - sha256_update(shash_desc_ctx(desc), data, len); - return crypto_sha256_final(desc, hash); -} -EXPORT_SYMBOL(crypto_sha256_finup); - -static struct shash_alg sha256_algs[2] = { { - .digestsize = SHA256_DIGEST_SIZE, - .init = sha256_base_init, - .update = crypto_sha256_update, - .final = crypto_sha256_final, - .finup = crypto_sha256_finup, - .descsize = sizeof(struct sha256_state), - .base = { - .cra_name = "sha256", - .cra_driver_name= "sha256-generic", - .cra_priority = 100, - .cra_blocksize = SHA256_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}, { - .digestsize = SHA224_DIGEST_SIZE, - .init = sha224_base_init, - .update = crypto_sha256_update, - .final = crypto_sha256_final, - .finup = crypto_sha256_finup, - .descsize = sizeof(struct sha256_state), - .base = { - .cra_name = "sha224", - .cra_driver_name= "sha224-generic", - .cra_priority = 100, - .cra_blocksize = SHA224_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -} }; - -static int __init sha256_generic_mod_init(void) -{ - return crypto_register_shashes(sha256_algs, ARRAY_SIZE(sha256_algs)); -} - -static void __exit sha256_generic_mod_fini(void) -{ - crypto_unregister_shashes(sha256_algs, ARRAY_SIZE(sha256_algs)); -} - -subsys_initcall(sha256_generic_mod_init); -module_exit(sha256_generic_mod_fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm"); - -MODULE_ALIAS_CRYPTO("sha224"); -MODULE_ALIAS_CRYPTO("sha224-generic"); -MODULE_ALIAS_CRYPTO("sha256"); -MODULE_ALIAS_CRYPTO("sha256-generic"); diff --git a/crypto/sha3.c b/crypto/sha3.c new file mode 100644 index 000000000000..8f364979ec89 --- /dev/null +++ b/crypto/sha3.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Crypto API support for SHA-3 + * (https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf) + */ +#include <crypto/internal/hash.h> +#include <crypto/sha3.h> +#include <linux/kernel.h> +#include <linux/module.h> + +#define SHA3_CTX(desc) ((struct sha3_ctx *)shash_desc_ctx(desc)) + +static int crypto_sha3_224_init(struct shash_desc *desc) +{ + sha3_224_init(SHA3_CTX(desc)); + return 0; +} + +static int crypto_sha3_256_init(struct shash_desc *desc) +{ + sha3_256_init(SHA3_CTX(desc)); + return 0; +} + +static int crypto_sha3_384_init(struct shash_desc *desc) +{ + sha3_384_init(SHA3_CTX(desc)); + return 0; +} + +static int crypto_sha3_512_init(struct shash_desc *desc) +{ + sha3_512_init(SHA3_CTX(desc)); + return 0; +} + +static int crypto_sha3_update(struct shash_desc *desc, const u8 *data, + unsigned int len) +{ + sha3_update(SHA3_CTX(desc), data, len); + return 0; +} + +static int crypto_sha3_final(struct shash_desc *desc, u8 *out) +{ + sha3_final(SHA3_CTX(desc), out); + return 0; +} + +static int crypto_sha3_224_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha3_224(data, len, out); + return 0; +} + +static int crypto_sha3_256_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha3_256(data, len, out); + return 0; +} + +static int crypto_sha3_384_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha3_384(data, len, out); + return 0; +} + +static int crypto_sha3_512_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha3_512(data, len, out); + return 0; +} + +static int crypto_sha3_export_core(struct shash_desc *desc, void *out) +{ + memcpy(out, SHA3_CTX(desc), sizeof(struct sha3_ctx)); + return 0; +} + +static int crypto_sha3_import_core(struct shash_desc *desc, const void *in) +{ + memcpy(SHA3_CTX(desc), in, sizeof(struct sha3_ctx)); + return 0; +} + +static struct shash_alg algs[] = { { + .digestsize = SHA3_224_DIGEST_SIZE, + .init = crypto_sha3_224_init, + .update = crypto_sha3_update, + .final = crypto_sha3_final, + .digest = crypto_sha3_224_digest, + .export_core = crypto_sha3_export_core, + .import_core = crypto_sha3_import_core, + .descsize = sizeof(struct sha3_ctx), + .base.cra_name = "sha3-224", + .base.cra_driver_name = "sha3-224-lib", + .base.cra_blocksize = SHA3_224_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, +}, { + .digestsize = SHA3_256_DIGEST_SIZE, + .init = crypto_sha3_256_init, + .update = crypto_sha3_update, + .final = crypto_sha3_final, + .digest = crypto_sha3_256_digest, + .export_core = crypto_sha3_export_core, + .import_core = crypto_sha3_import_core, + .descsize = sizeof(struct sha3_ctx), + .base.cra_name = "sha3-256", + .base.cra_driver_name = "sha3-256-lib", + .base.cra_blocksize = SHA3_256_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, +}, { + .digestsize = SHA3_384_DIGEST_SIZE, + .init = crypto_sha3_384_init, + .update = crypto_sha3_update, + .final = crypto_sha3_final, + .digest = crypto_sha3_384_digest, + .export_core = crypto_sha3_export_core, + .import_core = crypto_sha3_import_core, + .descsize = sizeof(struct sha3_ctx), + .base.cra_name = "sha3-384", + .base.cra_driver_name = "sha3-384-lib", + .base.cra_blocksize = SHA3_384_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, +}, { + .digestsize = SHA3_512_DIGEST_SIZE, + .init = crypto_sha3_512_init, + .update = crypto_sha3_update, + .final = crypto_sha3_final, + .digest = crypto_sha3_512_digest, + .export_core = crypto_sha3_export_core, + .import_core = crypto_sha3_import_core, + .descsize = sizeof(struct sha3_ctx), + .base.cra_name = "sha3-512", + .base.cra_driver_name = "sha3-512-lib", + .base.cra_blocksize = SHA3_512_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, +} }; + +static int __init crypto_sha3_mod_init(void) +{ + return crypto_register_shashes(algs, ARRAY_SIZE(algs)); +} +module_init(crypto_sha3_mod_init); + +static void __exit crypto_sha3_mod_exit(void) +{ + crypto_unregister_shashes(algs, ARRAY_SIZE(algs)); +} +module_exit(crypto_sha3_mod_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Crypto API support for SHA-3"); + +MODULE_ALIAS_CRYPTO("sha3-224"); +MODULE_ALIAS_CRYPTO("sha3-224-lib"); +MODULE_ALIAS_CRYPTO("sha3-256"); +MODULE_ALIAS_CRYPTO("sha3-256-lib"); +MODULE_ALIAS_CRYPTO("sha3-384"); +MODULE_ALIAS_CRYPTO("sha3-384-lib"); +MODULE_ALIAS_CRYPTO("sha3-512"); +MODULE_ALIAS_CRYPTO("sha3-512-lib"); diff --git a/crypto/sha3_generic.c b/crypto/sha3_generic.c deleted file mode 100644 index 3e4069935b53..000000000000 --- a/crypto/sha3_generic.c +++ /dev/null @@ -1,305 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Cryptographic API. - * - * SHA-3, as specified in - * https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf - * - * SHA-3 code by Jeff Garzik <jeff@garzik.org> - * Ard Biesheuvel <ard.biesheuvel@linaro.org> - */ -#include <crypto/internal/hash.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/types.h> -#include <crypto/sha3.h> -#include <asm/unaligned.h> - -/* - * On some 32-bit architectures (h8300), GCC ends up using - * over 1 KB of stack if we inline the round calculation into the loop - * in keccakf(). On the other hand, on 64-bit architectures with plenty - * of [64-bit wide] general purpose registers, not inlining it severely - * hurts performance. So let's use 64-bitness as a heuristic to decide - * whether to inline or not. - */ -#ifdef CONFIG_64BIT -#define SHA3_INLINE inline -#else -#define SHA3_INLINE noinline -#endif - -#define KECCAK_ROUNDS 24 - -static const u64 keccakf_rndc[24] = { - 0x0000000000000001ULL, 0x0000000000008082ULL, 0x800000000000808aULL, - 0x8000000080008000ULL, 0x000000000000808bULL, 0x0000000080000001ULL, - 0x8000000080008081ULL, 0x8000000000008009ULL, 0x000000000000008aULL, - 0x0000000000000088ULL, 0x0000000080008009ULL, 0x000000008000000aULL, - 0x000000008000808bULL, 0x800000000000008bULL, 0x8000000000008089ULL, - 0x8000000000008003ULL, 0x8000000000008002ULL, 0x8000000000000080ULL, - 0x000000000000800aULL, 0x800000008000000aULL, 0x8000000080008081ULL, - 0x8000000000008080ULL, 0x0000000080000001ULL, 0x8000000080008008ULL -}; - -/* update the state with given number of rounds */ - -static SHA3_INLINE void keccakf_round(u64 st[25]) -{ - u64 t[5], tt, bc[5]; - - /* Theta */ - bc[0] = st[0] ^ st[5] ^ st[10] ^ st[15] ^ st[20]; - bc[1] = st[1] ^ st[6] ^ st[11] ^ st[16] ^ st[21]; - bc[2] = st[2] ^ st[7] ^ st[12] ^ st[17] ^ st[22]; - bc[3] = st[3] ^ st[8] ^ st[13] ^ st[18] ^ st[23]; - bc[4] = st[4] ^ st[9] ^ st[14] ^ st[19] ^ st[24]; - - t[0] = bc[4] ^ rol64(bc[1], 1); - t[1] = bc[0] ^ rol64(bc[2], 1); - t[2] = bc[1] ^ rol64(bc[3], 1); - t[3] = bc[2] ^ rol64(bc[4], 1); - t[4] = bc[3] ^ rol64(bc[0], 1); - - st[0] ^= t[0]; - - /* Rho Pi */ - tt = st[1]; - st[ 1] = rol64(st[ 6] ^ t[1], 44); - st[ 6] = rol64(st[ 9] ^ t[4], 20); - st[ 9] = rol64(st[22] ^ t[2], 61); - st[22] = rol64(st[14] ^ t[4], 39); - st[14] = rol64(st[20] ^ t[0], 18); - st[20] = rol64(st[ 2] ^ t[2], 62); - st[ 2] = rol64(st[12] ^ t[2], 43); - st[12] = rol64(st[13] ^ t[3], 25); - st[13] = rol64(st[19] ^ t[4], 8); - st[19] = rol64(st[23] ^ t[3], 56); - st[23] = rol64(st[15] ^ t[0], 41); - st[15] = rol64(st[ 4] ^ t[4], 27); - st[ 4] = rol64(st[24] ^ t[4], 14); - st[24] = rol64(st[21] ^ t[1], 2); - st[21] = rol64(st[ 8] ^ t[3], 55); - st[ 8] = rol64(st[16] ^ t[1], 45); - st[16] = rol64(st[ 5] ^ t[0], 36); - st[ 5] = rol64(st[ 3] ^ t[3], 28); - st[ 3] = rol64(st[18] ^ t[3], 21); - st[18] = rol64(st[17] ^ t[2], 15); - st[17] = rol64(st[11] ^ t[1], 10); - st[11] = rol64(st[ 7] ^ t[2], 6); - st[ 7] = rol64(st[10] ^ t[0], 3); - st[10] = rol64( tt ^ t[1], 1); - - /* Chi */ - bc[ 0] = ~st[ 1] & st[ 2]; - bc[ 1] = ~st[ 2] & st[ 3]; - bc[ 2] = ~st[ 3] & st[ 4]; - bc[ 3] = ~st[ 4] & st[ 0]; - bc[ 4] = ~st[ 0] & st[ 1]; - st[ 0] ^= bc[ 0]; - st[ 1] ^= bc[ 1]; - st[ 2] ^= bc[ 2]; - st[ 3] ^= bc[ 3]; - st[ 4] ^= bc[ 4]; - - bc[ 0] = ~st[ 6] & st[ 7]; - bc[ 1] = ~st[ 7] & st[ 8]; - bc[ 2] = ~st[ 8] & st[ 9]; - bc[ 3] = ~st[ 9] & st[ 5]; - bc[ 4] = ~st[ 5] & st[ 6]; - st[ 5] ^= bc[ 0]; - st[ 6] ^= bc[ 1]; - st[ 7] ^= bc[ 2]; - st[ 8] ^= bc[ 3]; - st[ 9] ^= bc[ 4]; - - bc[ 0] = ~st[11] & st[12]; - bc[ 1] = ~st[12] & st[13]; - bc[ 2] = ~st[13] & st[14]; - bc[ 3] = ~st[14] & st[10]; - bc[ 4] = ~st[10] & st[11]; - st[10] ^= bc[ 0]; - st[11] ^= bc[ 1]; - st[12] ^= bc[ 2]; - st[13] ^= bc[ 3]; - st[14] ^= bc[ 4]; - - bc[ 0] = ~st[16] & st[17]; - bc[ 1] = ~st[17] & st[18]; - bc[ 2] = ~st[18] & st[19]; - bc[ 3] = ~st[19] & st[15]; - bc[ 4] = ~st[15] & st[16]; - st[15] ^= bc[ 0]; - st[16] ^= bc[ 1]; - st[17] ^= bc[ 2]; - st[18] ^= bc[ 3]; - st[19] ^= bc[ 4]; - - bc[ 0] = ~st[21] & st[22]; - bc[ 1] = ~st[22] & st[23]; - bc[ 2] = ~st[23] & st[24]; - bc[ 3] = ~st[24] & st[20]; - bc[ 4] = ~st[20] & st[21]; - st[20] ^= bc[ 0]; - st[21] ^= bc[ 1]; - st[22] ^= bc[ 2]; - st[23] ^= bc[ 3]; - st[24] ^= bc[ 4]; -} - -static void keccakf(u64 st[25]) -{ - int round; - - for (round = 0; round < KECCAK_ROUNDS; round++) { - keccakf_round(st); - /* Iota */ - st[0] ^= keccakf_rndc[round]; - } -} - -int crypto_sha3_init(struct shash_desc *desc) -{ - struct sha3_state *sctx = shash_desc_ctx(desc); - unsigned int digest_size = crypto_shash_digestsize(desc->tfm); - - sctx->rsiz = 200 - 2 * digest_size; - sctx->rsizw = sctx->rsiz / 8; - sctx->partial = 0; - - memset(sctx->st, 0, sizeof(sctx->st)); - return 0; -} -EXPORT_SYMBOL(crypto_sha3_init); - -int crypto_sha3_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -{ - struct sha3_state *sctx = shash_desc_ctx(desc); - unsigned int done; - const u8 *src; - - done = 0; - src = data; - - if ((sctx->partial + len) > (sctx->rsiz - 1)) { - if (sctx->partial) { - done = -sctx->partial; - memcpy(sctx->buf + sctx->partial, data, - done + sctx->rsiz); - src = sctx->buf; - } - - do { - unsigned int i; - - for (i = 0; i < sctx->rsizw; i++) - sctx->st[i] ^= get_unaligned_le64(src + 8 * i); - keccakf(sctx->st); - - done += sctx->rsiz; - src = data + done; - } while (done + (sctx->rsiz - 1) < len); - - sctx->partial = 0; - } - memcpy(sctx->buf + sctx->partial, src, len - done); - sctx->partial += (len - done); - - return 0; -} -EXPORT_SYMBOL(crypto_sha3_update); - -int crypto_sha3_final(struct shash_desc *desc, u8 *out) -{ - struct sha3_state *sctx = shash_desc_ctx(desc); - unsigned int i, inlen = sctx->partial; - unsigned int digest_size = crypto_shash_digestsize(desc->tfm); - __le64 *digest = (__le64 *)out; - - sctx->buf[inlen++] = 0x06; - memset(sctx->buf + inlen, 0, sctx->rsiz - inlen); - sctx->buf[sctx->rsiz - 1] |= 0x80; - - for (i = 0; i < sctx->rsizw; i++) - sctx->st[i] ^= get_unaligned_le64(sctx->buf + 8 * i); - - keccakf(sctx->st); - - for (i = 0; i < digest_size / 8; i++) - put_unaligned_le64(sctx->st[i], digest++); - - if (digest_size & 4) - put_unaligned_le32(sctx->st[i], (__le32 *)digest); - - memset(sctx, 0, sizeof(*sctx)); - return 0; -} -EXPORT_SYMBOL(crypto_sha3_final); - -static struct shash_alg algs[] = { { - .digestsize = SHA3_224_DIGEST_SIZE, - .init = crypto_sha3_init, - .update = crypto_sha3_update, - .final = crypto_sha3_final, - .descsize = sizeof(struct sha3_state), - .base.cra_name = "sha3-224", - .base.cra_driver_name = "sha3-224-generic", - .base.cra_blocksize = SHA3_224_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, -}, { - .digestsize = SHA3_256_DIGEST_SIZE, - .init = crypto_sha3_init, - .update = crypto_sha3_update, - .final = crypto_sha3_final, - .descsize = sizeof(struct sha3_state), - .base.cra_name = "sha3-256", - .base.cra_driver_name = "sha3-256-generic", - .base.cra_blocksize = SHA3_256_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, -}, { - .digestsize = SHA3_384_DIGEST_SIZE, - .init = crypto_sha3_init, - .update = crypto_sha3_update, - .final = crypto_sha3_final, - .descsize = sizeof(struct sha3_state), - .base.cra_name = "sha3-384", - .base.cra_driver_name = "sha3-384-generic", - .base.cra_blocksize = SHA3_384_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, -}, { - .digestsize = SHA3_512_DIGEST_SIZE, - .init = crypto_sha3_init, - .update = crypto_sha3_update, - .final = crypto_sha3_final, - .descsize = sizeof(struct sha3_state), - .base.cra_name = "sha3-512", - .base.cra_driver_name = "sha3-512-generic", - .base.cra_blocksize = SHA3_512_BLOCK_SIZE, - .base.cra_module = THIS_MODULE, -} }; - -static int __init sha3_generic_mod_init(void) -{ - return crypto_register_shashes(algs, ARRAY_SIZE(algs)); -} - -static void __exit sha3_generic_mod_fini(void) -{ - crypto_unregister_shashes(algs, ARRAY_SIZE(algs)); -} - -subsys_initcall(sha3_generic_mod_init); -module_exit(sha3_generic_mod_fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA-3 Secure Hash Algorithm"); - -MODULE_ALIAS_CRYPTO("sha3-224"); -MODULE_ALIAS_CRYPTO("sha3-224-generic"); -MODULE_ALIAS_CRYPTO("sha3-256"); -MODULE_ALIAS_CRYPTO("sha3-256-generic"); -MODULE_ALIAS_CRYPTO("sha3-384"); -MODULE_ALIAS_CRYPTO("sha3-384-generic"); -MODULE_ALIAS_CRYPTO("sha3-512"); -MODULE_ALIAS_CRYPTO("sha3-512-generic"); diff --git a/crypto/sha512.c b/crypto/sha512.c new file mode 100644 index 000000000000..d320fe53913f --- /dev/null +++ b/crypto/sha512.c @@ -0,0 +1,425 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Crypto API support for SHA-384, SHA-512, HMAC-SHA384, and HMAC-SHA512 + * + * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com> + * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> + * Copyright (c) 2003 Kyle McMartin <kyle@debian.org> + * Copyright 2025 Google LLC + */ +#include <crypto/internal/hash.h> +#include <crypto/sha2.h> +#include <linux/kernel.h> +#include <linux/module.h> + +/* + * Export and import functions. crypto_shash wants a particular format that + * matches that used by some legacy drivers. It currently is the same as the + * library SHA context, except the value in bytecount_lo must be block-aligned + * and the remainder must be stored in an extra u8 appended to the struct. + */ + +#define SHA512_SHASH_STATE_SIZE 209 +static_assert(offsetof(struct __sha512_ctx, state) == 0); +static_assert(offsetof(struct __sha512_ctx, bytecount_lo) == 64); +static_assert(offsetof(struct __sha512_ctx, bytecount_hi) == 72); +static_assert(offsetof(struct __sha512_ctx, buf) == 80); +static_assert(sizeof(struct __sha512_ctx) + 1 == SHA512_SHASH_STATE_SIZE); + +static int __crypto_sha512_export(const struct __sha512_ctx *ctx0, void *out) +{ + struct __sha512_ctx ctx = *ctx0; + unsigned int partial; + u8 *p = out; + + partial = ctx.bytecount_lo % SHA512_BLOCK_SIZE; + ctx.bytecount_lo -= partial; + memcpy(p, &ctx, sizeof(ctx)); + p += sizeof(ctx); + *p = partial; + return 0; +} + +static int __crypto_sha512_import(struct __sha512_ctx *ctx, const void *in) +{ + const u8 *p = in; + + memcpy(ctx, p, sizeof(*ctx)); + p += sizeof(*ctx); + ctx->bytecount_lo += *p; + return 0; +} + +static int __crypto_sha512_export_core(const struct __sha512_ctx *ctx, + void *out) +{ + memcpy(out, ctx, offsetof(struct __sha512_ctx, buf)); + return 0; +} + +static int __crypto_sha512_import_core(struct __sha512_ctx *ctx, const void *in) +{ + memcpy(ctx, in, offsetof(struct __sha512_ctx, buf)); + return 0; +} + +/* SHA-384 */ + +const u8 sha384_zero_message_hash[SHA384_DIGEST_SIZE] = { + 0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38, + 0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a, + 0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43, + 0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda, + 0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb, + 0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b +}; +EXPORT_SYMBOL_GPL(sha384_zero_message_hash); + +#define SHA384_CTX(desc) ((struct sha384_ctx *)shash_desc_ctx(desc)) + +static int crypto_sha384_init(struct shash_desc *desc) +{ + sha384_init(SHA384_CTX(desc)); + return 0; +} + +static int crypto_sha384_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + sha384_update(SHA384_CTX(desc), data, len); + return 0; +} + +static int crypto_sha384_final(struct shash_desc *desc, u8 *out) +{ + sha384_final(SHA384_CTX(desc), out); + return 0; +} + +static int crypto_sha384_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha384(data, len, out); + return 0; +} + +static int crypto_sha384_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha512_export(&SHA384_CTX(desc)->ctx, out); +} + +static int crypto_sha384_import(struct shash_desc *desc, const void *in) +{ + return __crypto_sha512_import(&SHA384_CTX(desc)->ctx, in); +} + +static int crypto_sha384_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha512_export_core(&SHA384_CTX(desc)->ctx, out); +} + +static int crypto_sha384_import_core(struct shash_desc *desc, const void *in) +{ + return __crypto_sha512_import_core(&SHA384_CTX(desc)->ctx, in); +} + +/* SHA-512 */ + +const u8 sha512_zero_message_hash[SHA512_DIGEST_SIZE] = { + 0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd, + 0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07, + 0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc, + 0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c, 0xe9, 0xce, + 0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0, + 0xff, 0x83, 0x18, 0xd2, 0x87, 0x7e, 0xec, 0x2f, + 0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81, + 0xa5, 0x38, 0x32, 0x7a, 0xf9, 0x27, 0xda, 0x3e +}; +EXPORT_SYMBOL_GPL(sha512_zero_message_hash); + +#define SHA512_CTX(desc) ((struct sha512_ctx *)shash_desc_ctx(desc)) + +static int crypto_sha512_init(struct shash_desc *desc) +{ + sha512_init(SHA512_CTX(desc)); + return 0; +} + +static int crypto_sha512_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + sha512_update(SHA512_CTX(desc), data, len); + return 0; +} + +static int crypto_sha512_final(struct shash_desc *desc, u8 *out) +{ + sha512_final(SHA512_CTX(desc), out); + return 0; +} + +static int crypto_sha512_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, u8 *out) +{ + sha512(data, len, out); + return 0; +} + +static int crypto_sha512_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha512_export(&SHA512_CTX(desc)->ctx, out); +} + +static int crypto_sha512_import(struct shash_desc *desc, const void *in) +{ + return __crypto_sha512_import(&SHA512_CTX(desc)->ctx, in); +} + +static int crypto_sha512_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha512_export_core(&SHA512_CTX(desc)->ctx, out); +} + +static int crypto_sha512_import_core(struct shash_desc *desc, const void *in) +{ + return __crypto_sha512_import_core(&SHA512_CTX(desc)->ctx, in); +} + +/* HMAC-SHA384 */ + +#define HMAC_SHA384_KEY(tfm) ((struct hmac_sha384_key *)crypto_shash_ctx(tfm)) +#define HMAC_SHA384_CTX(desc) ((struct hmac_sha384_ctx *)shash_desc_ctx(desc)) + +static int crypto_hmac_sha384_setkey(struct crypto_shash *tfm, + const u8 *raw_key, unsigned int keylen) +{ + hmac_sha384_preparekey(HMAC_SHA384_KEY(tfm), raw_key, keylen); + return 0; +} + +static int crypto_hmac_sha384_init(struct shash_desc *desc) +{ + hmac_sha384_init(HMAC_SHA384_CTX(desc), HMAC_SHA384_KEY(desc->tfm)); + return 0; +} + +static int crypto_hmac_sha384_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + hmac_sha384_update(HMAC_SHA384_CTX(desc), data, len); + return 0; +} + +static int crypto_hmac_sha384_final(struct shash_desc *desc, u8 *out) +{ + hmac_sha384_final(HMAC_SHA384_CTX(desc), out); + return 0; +} + +static int crypto_hmac_sha384_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, + u8 *out) +{ + hmac_sha384(HMAC_SHA384_KEY(desc->tfm), data, len, out); + return 0; +} + +static int crypto_hmac_sha384_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha512_export(&HMAC_SHA384_CTX(desc)->ctx.sha_ctx, out); +} + +static int crypto_hmac_sha384_import(struct shash_desc *desc, const void *in) +{ + struct hmac_sha384_ctx *ctx = HMAC_SHA384_CTX(desc); + + ctx->ctx.ostate = HMAC_SHA384_KEY(desc->tfm)->key.ostate; + return __crypto_sha512_import(&ctx->ctx.sha_ctx, in); +} + +static int crypto_hmac_sha384_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha512_export_core(&HMAC_SHA384_CTX(desc)->ctx.sha_ctx, + out); +} + +static int crypto_hmac_sha384_import_core(struct shash_desc *desc, + const void *in) +{ + struct hmac_sha384_ctx *ctx = HMAC_SHA384_CTX(desc); + + ctx->ctx.ostate = HMAC_SHA384_KEY(desc->tfm)->key.ostate; + return __crypto_sha512_import_core(&ctx->ctx.sha_ctx, in); +} + +/* HMAC-SHA512 */ + +#define HMAC_SHA512_KEY(tfm) ((struct hmac_sha512_key *)crypto_shash_ctx(tfm)) +#define HMAC_SHA512_CTX(desc) ((struct hmac_sha512_ctx *)shash_desc_ctx(desc)) + +static int crypto_hmac_sha512_setkey(struct crypto_shash *tfm, + const u8 *raw_key, unsigned int keylen) +{ + hmac_sha512_preparekey(HMAC_SHA512_KEY(tfm), raw_key, keylen); + return 0; +} + +static int crypto_hmac_sha512_init(struct shash_desc *desc) +{ + hmac_sha512_init(HMAC_SHA512_CTX(desc), HMAC_SHA512_KEY(desc->tfm)); + return 0; +} + +static int crypto_hmac_sha512_update(struct shash_desc *desc, + const u8 *data, unsigned int len) +{ + hmac_sha512_update(HMAC_SHA512_CTX(desc), data, len); + return 0; +} + +static int crypto_hmac_sha512_final(struct shash_desc *desc, u8 *out) +{ + hmac_sha512_final(HMAC_SHA512_CTX(desc), out); + return 0; +} + +static int crypto_hmac_sha512_digest(struct shash_desc *desc, + const u8 *data, unsigned int len, + u8 *out) +{ + hmac_sha512(HMAC_SHA512_KEY(desc->tfm), data, len, out); + return 0; +} + +static int crypto_hmac_sha512_export(struct shash_desc *desc, void *out) +{ + return __crypto_sha512_export(&HMAC_SHA512_CTX(desc)->ctx.sha_ctx, out); +} + +static int crypto_hmac_sha512_import(struct shash_desc *desc, const void *in) +{ + struct hmac_sha512_ctx *ctx = HMAC_SHA512_CTX(desc); + + ctx->ctx.ostate = HMAC_SHA512_KEY(desc->tfm)->key.ostate; + return __crypto_sha512_import(&ctx->ctx.sha_ctx, in); +} + +static int crypto_hmac_sha512_export_core(struct shash_desc *desc, void *out) +{ + return __crypto_sha512_export_core(&HMAC_SHA512_CTX(desc)->ctx.sha_ctx, + out); +} + +static int crypto_hmac_sha512_import_core(struct shash_desc *desc, + const void *in) +{ + struct hmac_sha512_ctx *ctx = HMAC_SHA512_CTX(desc); + + ctx->ctx.ostate = HMAC_SHA512_KEY(desc->tfm)->key.ostate; + return __crypto_sha512_import_core(&ctx->ctx.sha_ctx, in); +} + +/* Algorithm definitions */ + +static struct shash_alg algs[] = { + { + .base.cra_name = "sha384", + .base.cra_driver_name = "sha384-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA384_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + .digestsize = SHA384_DIGEST_SIZE, + .init = crypto_sha384_init, + .update = crypto_sha384_update, + .final = crypto_sha384_final, + .digest = crypto_sha384_digest, + .export = crypto_sha384_export, + .import = crypto_sha384_import, + .export_core = crypto_sha384_export_core, + .import_core = crypto_sha384_import_core, + .descsize = sizeof(struct sha384_ctx), + .statesize = SHA512_SHASH_STATE_SIZE, + }, + { + .base.cra_name = "sha512", + .base.cra_driver_name = "sha512-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA512_BLOCK_SIZE, + .base.cra_module = THIS_MODULE, + .digestsize = SHA512_DIGEST_SIZE, + .init = crypto_sha512_init, + .update = crypto_sha512_update, + .final = crypto_sha512_final, + .digest = crypto_sha512_digest, + .export = crypto_sha512_export, + .import = crypto_sha512_import, + .export_core = crypto_sha512_export_core, + .import_core = crypto_sha512_import_core, + .descsize = sizeof(struct sha512_ctx), + .statesize = SHA512_SHASH_STATE_SIZE, + }, + { + .base.cra_name = "hmac(sha384)", + .base.cra_driver_name = "hmac-sha384-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA384_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct hmac_sha384_key), + .base.cra_module = THIS_MODULE, + .digestsize = SHA384_DIGEST_SIZE, + .setkey = crypto_hmac_sha384_setkey, + .init = crypto_hmac_sha384_init, + .update = crypto_hmac_sha384_update, + .final = crypto_hmac_sha384_final, + .digest = crypto_hmac_sha384_digest, + .export = crypto_hmac_sha384_export, + .import = crypto_hmac_sha384_import, + .export_core = crypto_hmac_sha384_export_core, + .import_core = crypto_hmac_sha384_import_core, + .descsize = sizeof(struct hmac_sha384_ctx), + .statesize = SHA512_SHASH_STATE_SIZE, + }, + { + .base.cra_name = "hmac(sha512)", + .base.cra_driver_name = "hmac-sha512-lib", + .base.cra_priority = 300, + .base.cra_blocksize = SHA512_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct hmac_sha512_key), + .base.cra_module = THIS_MODULE, + .digestsize = SHA512_DIGEST_SIZE, + .setkey = crypto_hmac_sha512_setkey, + .init = crypto_hmac_sha512_init, + .update = crypto_hmac_sha512_update, + .final = crypto_hmac_sha512_final, + .digest = crypto_hmac_sha512_digest, + .export = crypto_hmac_sha512_export, + .import = crypto_hmac_sha512_import, + .export_core = crypto_hmac_sha512_export_core, + .import_core = crypto_hmac_sha512_import_core, + .descsize = sizeof(struct hmac_sha512_ctx), + .statesize = SHA512_SHASH_STATE_SIZE, + }, +}; + +static int __init crypto_sha512_mod_init(void) +{ + return crypto_register_shashes(algs, ARRAY_SIZE(algs)); +} +module_init(crypto_sha512_mod_init); + +static void __exit crypto_sha512_mod_exit(void) +{ + crypto_unregister_shashes(algs, ARRAY_SIZE(algs)); +} +module_exit(crypto_sha512_mod_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Crypto API support for SHA-384, SHA-512, HMAC-SHA384, and HMAC-SHA512"); + +MODULE_ALIAS_CRYPTO("sha384"); +MODULE_ALIAS_CRYPTO("sha384-lib"); +MODULE_ALIAS_CRYPTO("sha512"); +MODULE_ALIAS_CRYPTO("sha512-lib"); +MODULE_ALIAS_CRYPTO("hmac(sha384)"); +MODULE_ALIAS_CRYPTO("hmac-sha384-lib"); +MODULE_ALIAS_CRYPTO("hmac(sha512)"); +MODULE_ALIAS_CRYPTO("hmac-sha512-lib"); diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c deleted file mode 100644 index be70e76d6d86..000000000000 --- a/crypto/sha512_generic.c +++ /dev/null @@ -1,227 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* SHA-512 code by Jean-Luc Cooke <jlcooke@certainkey.com> - * - * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com> - * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk> - * Copyright (c) 2003 Kyle McMartin <kyle@debian.org> - */ -#include <crypto/internal/hash.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/crypto.h> -#include <linux/types.h> -#include <crypto/sha2.h> -#include <crypto/sha512_base.h> -#include <linux/percpu.h> -#include <asm/byteorder.h> -#include <asm/unaligned.h> - -const u8 sha384_zero_message_hash[SHA384_DIGEST_SIZE] = { - 0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38, - 0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a, - 0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43, - 0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda, - 0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb, - 0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b -}; -EXPORT_SYMBOL_GPL(sha384_zero_message_hash); - -const u8 sha512_zero_message_hash[SHA512_DIGEST_SIZE] = { - 0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd, - 0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07, - 0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc, - 0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c, 0xe9, 0xce, - 0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0, - 0xff, 0x83, 0x18, 0xd2, 0x87, 0x7e, 0xec, 0x2f, - 0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81, - 0xa5, 0x38, 0x32, 0x7a, 0xf9, 0x27, 0xda, 0x3e -}; -EXPORT_SYMBOL_GPL(sha512_zero_message_hash); - -static inline u64 Ch(u64 x, u64 y, u64 z) -{ - return z ^ (x & (y ^ z)); -} - -static inline u64 Maj(u64 x, u64 y, u64 z) -{ - return (x & y) | (z & (x | y)); -} - -static const u64 sha512_K[80] = { - 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL, - 0xe9b5dba58189dbbcULL, 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, - 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, 0xd807aa98a3030242ULL, - 0x12835b0145706fbeULL, 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, - 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, 0x9bdc06a725c71235ULL, - 0xc19bf174cf692694ULL, 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, - 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, 0x2de92c6f592b0275ULL, - 0x4a7484aa6ea6e483ULL, 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, - 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, 0xb00327c898fb213fULL, - 0xbf597fc7beef0ee4ULL, 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, - 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, 0x27b70a8546d22ffcULL, - 0x2e1b21385c26c926ULL, 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, - 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, 0x81c2c92e47edaee6ULL, - 0x92722c851482353bULL, 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, - 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, 0xd192e819d6ef5218ULL, - 0xd69906245565a910ULL, 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, - 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, 0x2748774cdf8eeb99ULL, - 0x34b0bcb5e19b48a8ULL, 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, - 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, 0x748f82ee5defb2fcULL, - 0x78a5636f43172f60ULL, 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, - 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, 0xbef9a3f7b2c67915ULL, - 0xc67178f2e372532bULL, 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, - 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, 0x06f067aa72176fbaULL, - 0x0a637dc5a2c898a6ULL, 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, - 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL, - 0x431d67c49c100d4cULL, 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, - 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL, -}; - -#define e0(x) (ror64(x,28) ^ ror64(x,34) ^ ror64(x,39)) -#define e1(x) (ror64(x,14) ^ ror64(x,18) ^ ror64(x,41)) -#define s0(x) (ror64(x, 1) ^ ror64(x, 8) ^ (x >> 7)) -#define s1(x) (ror64(x,19) ^ ror64(x,61) ^ (x >> 6)) - -static inline void LOAD_OP(int I, u64 *W, const u8 *input) -{ - W[I] = get_unaligned_be64((__u64 *)input + I); -} - -static inline void BLEND_OP(int I, u64 *W) -{ - W[I & 15] += s1(W[(I-2) & 15]) + W[(I-7) & 15] + s0(W[(I-15) & 15]); -} - -static void -sha512_transform(u64 *state, const u8 *input) -{ - u64 a, b, c, d, e, f, g, h, t1, t2; - - int i; - u64 W[16]; - - /* load the state into our registers */ - a=state[0]; b=state[1]; c=state[2]; d=state[3]; - e=state[4]; f=state[5]; g=state[6]; h=state[7]; - - /* now iterate */ - for (i=0; i<80; i+=8) { - if (!(i & 8)) { - int j; - - if (i < 16) { - /* load the input */ - for (j = 0; j < 16; j++) - LOAD_OP(i + j, W, input); - } else { - for (j = 0; j < 16; j++) { - BLEND_OP(i + j, W); - } - } - } - - t1 = h + e1(e) + Ch(e,f,g) + sha512_K[i ] + W[(i & 15)]; - t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2; - t1 = g + e1(d) + Ch(d,e,f) + sha512_K[i+1] + W[(i & 15) + 1]; - t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2; - t1 = f + e1(c) + Ch(c,d,e) + sha512_K[i+2] + W[(i & 15) + 2]; - t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2; - t1 = e + e1(b) + Ch(b,c,d) + sha512_K[i+3] + W[(i & 15) + 3]; - t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2; - t1 = d + e1(a) + Ch(a,b,c) + sha512_K[i+4] + W[(i & 15) + 4]; - t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2; - t1 = c + e1(h) + Ch(h,a,b) + sha512_K[i+5] + W[(i & 15) + 5]; - t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2; - t1 = b + e1(g) + Ch(g,h,a) + sha512_K[i+6] + W[(i & 15) + 6]; - t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2; - t1 = a + e1(f) + Ch(f,g,h) + sha512_K[i+7] + W[(i & 15) + 7]; - t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2; - } - - state[0] += a; state[1] += b; state[2] += c; state[3] += d; - state[4] += e; state[5] += f; state[6] += g; state[7] += h; -} - -static void sha512_generic_block_fn(struct sha512_state *sst, u8 const *src, - int blocks) -{ - while (blocks--) { - sha512_transform(sst->state, src); - src += SHA512_BLOCK_SIZE; - } -} - -int crypto_sha512_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -{ - return sha512_base_do_update(desc, data, len, sha512_generic_block_fn); -} -EXPORT_SYMBOL(crypto_sha512_update); - -static int sha512_final(struct shash_desc *desc, u8 *hash) -{ - sha512_base_do_finalize(desc, sha512_generic_block_fn); - return sha512_base_finish(desc, hash); -} - -int crypto_sha512_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *hash) -{ - sha512_base_do_update(desc, data, len, sha512_generic_block_fn); - return sha512_final(desc, hash); -} -EXPORT_SYMBOL(crypto_sha512_finup); - -static struct shash_alg sha512_algs[2] = { { - .digestsize = SHA512_DIGEST_SIZE, - .init = sha512_base_init, - .update = crypto_sha512_update, - .final = sha512_final, - .finup = crypto_sha512_finup, - .descsize = sizeof(struct sha512_state), - .base = { - .cra_name = "sha512", - .cra_driver_name = "sha512-generic", - .cra_priority = 100, - .cra_blocksize = SHA512_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}, { - .digestsize = SHA384_DIGEST_SIZE, - .init = sha384_base_init, - .update = crypto_sha512_update, - .final = sha512_final, - .finup = crypto_sha512_finup, - .descsize = sizeof(struct sha512_state), - .base = { - .cra_name = "sha384", - .cra_driver_name = "sha384-generic", - .cra_priority = 100, - .cra_blocksize = SHA384_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -} }; - -static int __init sha512_generic_mod_init(void) -{ - return crypto_register_shashes(sha512_algs, ARRAY_SIZE(sha512_algs)); -} - -static void __exit sha512_generic_mod_fini(void) -{ - crypto_unregister_shashes(sha512_algs, ARRAY_SIZE(sha512_algs)); -} - -subsys_initcall(sha512_generic_mod_init); -module_exit(sha512_generic_mod_fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA-512 and SHA-384 Secure Hash Algorithms"); - -MODULE_ALIAS_CRYPTO("sha384"); -MODULE_ALIAS_CRYPTO("sha384-generic"); -MODULE_ALIAS_CRYPTO("sha512"); -MODULE_ALIAS_CRYPTO("sha512-generic"); diff --git a/crypto/shash.c b/crypto/shash.c index 717b42df3495..4721f5f134f4 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -10,25 +10,28 @@ #include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/slab.h> #include <linux/seq_file.h> #include <linux/string.h> #include <net/netlink.h> #include "hash.h" -#define MAX_SHASH_ALIGNMASK 63 - -static const struct crypto_type crypto_shash_type; +static inline bool crypto_shash_block_only(struct crypto_shash *tfm) +{ + return crypto_shash_alg(tfm)->base.cra_flags & + CRYPTO_AHASH_ALG_BLOCK_ONLY; +} -static inline struct crypto_istat_hash *shash_get_stat(struct shash_alg *alg) +static inline bool crypto_shash_final_nonzero(struct crypto_shash *tfm) { - return hash_get_stat(&alg->halg); + return crypto_shash_alg(tfm)->base.cra_flags & + CRYPTO_AHASH_ALG_FINAL_NONZERO; } -static inline int crypto_shash_errstat(struct shash_alg *alg, int err) +static inline bool crypto_shash_finup_max(struct crypto_shash *tfm) { - return crypto_hash_errstat(&alg->halg, err); + return crypto_shash_alg(tfm)->base.cra_flags & + CRYPTO_AHASH_ALG_FINUP_MAX; } int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, @@ -38,27 +41,6 @@ int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, } EXPORT_SYMBOL_GPL(shash_no_setkey); -static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key, - unsigned int keylen) -{ - struct shash_alg *shash = crypto_shash_alg(tfm); - unsigned long alignmask = crypto_shash_alignmask(tfm); - unsigned long absize; - u8 *buffer, *alignbuffer; - int err; - - absize = keylen + (alignmask & ~(crypto_tfm_ctx_alignment() - 1)); - buffer = kmalloc(absize, GFP_ATOMIC); - if (!buffer) - return -ENOMEM; - - alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); - memcpy(alignbuffer, key, keylen); - err = shash->setkey(tfm, alignbuffer, keylen); - kfree_sensitive(buffer); - return err; -} - static void shash_set_needkey(struct crypto_shash *tfm, struct shash_alg *alg) { if (crypto_shash_alg_needs_key(alg)) @@ -69,14 +51,9 @@ int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key, unsigned int keylen) { struct shash_alg *shash = crypto_shash_alg(tfm); - unsigned long alignmask = crypto_shash_alignmask(tfm); int err; - if ((unsigned long)key & alignmask) - err = shash_setkey_unaligned(tfm, key, keylen); - else - err = shash->setkey(tfm, key, keylen); - + err = shash->setkey(tfm, key, keylen); if (unlikely(err)) { shash_set_needkey(tfm, shash); return err; @@ -87,166 +64,132 @@ int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key, } EXPORT_SYMBOL_GPL(crypto_shash_setkey); -static int shash_update_unaligned(struct shash_desc *desc, const u8 *data, - unsigned int len) +static int __crypto_shash_init(struct shash_desc *desc) { struct crypto_shash *tfm = desc->tfm; - struct shash_alg *shash = crypto_shash_alg(tfm); - unsigned long alignmask = crypto_shash_alignmask(tfm); - unsigned int unaligned_len = alignmask + 1 - - ((unsigned long)data & alignmask); - /* - * We cannot count on __aligned() working for large values: - * https://patchwork.kernel.org/patch/9507697/ - */ - u8 ubuf[MAX_SHASH_ALIGNMASK * 2]; - u8 *buf = PTR_ALIGN(&ubuf[0], alignmask + 1); - int err; - if (WARN_ON(buf + unaligned_len > ubuf + sizeof(ubuf))) - return -EINVAL; + if (crypto_shash_block_only(tfm)) { + u8 *buf = shash_desc_ctx(desc); - if (unaligned_len > len) - unaligned_len = len; - - memcpy(buf, data, unaligned_len); - err = shash->update(desc, buf, unaligned_len); - memset(buf, 0, unaligned_len); + buf += crypto_shash_descsize(tfm) - 1; + *buf = 0; + } - return err ?: - shash->update(desc, data + unaligned_len, len - unaligned_len); + return crypto_shash_alg(tfm)->init(desc); } -int crypto_shash_update(struct shash_desc *desc, const u8 *data, - unsigned int len) +int crypto_shash_init(struct shash_desc *desc) { - struct crypto_shash *tfm = desc->tfm; - struct shash_alg *shash = crypto_shash_alg(tfm); - unsigned long alignmask = crypto_shash_alignmask(tfm); - int err; - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - atomic64_add(len, &shash_get_stat(shash)->hash_tlen); + if (crypto_shash_get_flags(desc->tfm) & CRYPTO_TFM_NEED_KEY) + return -ENOKEY; + return __crypto_shash_init(desc); +} +EXPORT_SYMBOL_GPL(crypto_shash_init); - if ((unsigned long)data & alignmask) - err = shash_update_unaligned(desc, data, len); - else - err = shash->update(desc, data, len); +static int shash_default_finup(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out) +{ + struct shash_alg *shash = crypto_shash_alg(desc->tfm); - return crypto_shash_errstat(shash, err); + return shash->update(desc, data, len) ?: + shash->final(desc, out); } -EXPORT_SYMBOL_GPL(crypto_shash_update); -static int shash_final_unaligned(struct shash_desc *desc, u8 *out) +static int crypto_shash_op_and_zero( + int (*op)(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out), + struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out) { - struct crypto_shash *tfm = desc->tfm; - unsigned long alignmask = crypto_shash_alignmask(tfm); - struct shash_alg *shash = crypto_shash_alg(tfm); - unsigned int ds = crypto_shash_digestsize(tfm); - /* - * We cannot count on __aligned() working for large values: - * https://patchwork.kernel.org/patch/9507697/ - */ - u8 ubuf[MAX_SHASH_ALIGNMASK + HASH_MAX_DIGESTSIZE]; - u8 *buf = PTR_ALIGN(&ubuf[0], alignmask + 1); int err; - if (WARN_ON(buf + ds > ubuf + sizeof(ubuf))) - return -EINVAL; - - err = shash->final(desc, buf); - if (err) - goto out; - - memcpy(out, buf, ds); - -out: - memset(buf, 0, ds); + err = op(desc, data, len, out); + memset(shash_desc_ctx(desc), 0, crypto_shash_descsize(desc->tfm)); return err; } -int crypto_shash_final(struct shash_desc *desc, u8 *out) +int crypto_shash_finup(struct shash_desc *restrict desc, const u8 *data, + unsigned int len, u8 *restrict out) { struct crypto_shash *tfm = desc->tfm; - struct shash_alg *shash = crypto_shash_alg(tfm); - unsigned long alignmask = crypto_shash_alignmask(tfm); + u8 *blenp = shash_desc_ctx(desc); + bool finup_max, nonzero; + unsigned int bs; int err; + u8 *buf; - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - atomic64_inc(&shash_get_stat(shash)->hash_cnt); + if (!crypto_shash_block_only(tfm)) { + if (out) + goto finup; + return crypto_shash_alg(tfm)->update(desc, data, len); + } - if ((unsigned long)out & alignmask) - err = shash_final_unaligned(desc, out); - else - err = shash->final(desc, out); + finup_max = out && crypto_shash_finup_max(tfm); - return crypto_shash_errstat(shash, err); -} -EXPORT_SYMBOL_GPL(crypto_shash_final); + /* Retain extra block for final nonzero algorithms. */ + nonzero = crypto_shash_final_nonzero(tfm); -static int shash_finup_unaligned(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - return shash_update_unaligned(desc, data, len) ?: - shash_final_unaligned(desc, out); -} - -int crypto_shash_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - struct crypto_shash *tfm = desc->tfm; - struct shash_alg *shash = crypto_shash_alg(tfm); - unsigned long alignmask = crypto_shash_alignmask(tfm); - int err; - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) { - struct crypto_istat_hash *istat = shash_get_stat(shash); - - atomic64_inc(&istat->hash_cnt); - atomic64_add(len, &istat->hash_tlen); + /* + * The partial block buffer follows the algorithm desc context. + * The byte following that contains the length. + */ + blenp += crypto_shash_descsize(tfm) - 1; + bs = crypto_shash_blocksize(tfm); + buf = blenp - bs; + + if (likely(!*blenp && finup_max)) + goto finup; + + while ((*blenp + len) >= bs + nonzero) { + unsigned int nbytes = len - nonzero; + const u8 *src = data; + + if (*blenp) { + memcpy(buf + *blenp, data, bs - *blenp); + nbytes = bs; + src = buf; + } + + err = crypto_shash_alg(tfm)->update(desc, src, nbytes); + if (err < 0) + return err; + + data += nbytes - err - *blenp; + len -= nbytes - err - *blenp; + *blenp = 0; } - if (((unsigned long)data | (unsigned long)out) & alignmask) - err = shash_finup_unaligned(desc, data, len, out); - else - err = shash->finup(desc, data, len, out); - + if (*blenp || !out) { + memcpy(buf + *blenp, data, len); + *blenp += len; + if (!out) + return 0; + data = buf; + len = *blenp; + } - return crypto_shash_errstat(shash, err); +finup: + return crypto_shash_op_and_zero(crypto_shash_alg(tfm)->finup, desc, + data, len, out); } EXPORT_SYMBOL_GPL(crypto_shash_finup); -static int shash_digest_unaligned(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) +static int shash_default_digest(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out) { - return crypto_shash_init(desc) ?: - shash_update_unaligned(desc, data, len) ?: - shash_final_unaligned(desc, out); + return __crypto_shash_init(desc) ?: + crypto_shash_finup(desc, data, len, out); } int crypto_shash_digest(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out) { struct crypto_shash *tfm = desc->tfm; - struct shash_alg *shash = crypto_shash_alg(tfm); - unsigned long alignmask = crypto_shash_alignmask(tfm); - int err; - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) { - struct crypto_istat_hash *istat = shash_get_stat(shash); - - atomic64_inc(&istat->hash_cnt); - atomic64_add(len, &istat->hash_tlen); - } if (crypto_shash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) - err = -ENOKEY; - else if (((unsigned long)data | (unsigned long)out) & alignmask) - err = shash_digest_unaligned(desc, data, len, out); - else - err = shash->digest(desc, data, len, out); + return -ENOKEY; - return crypto_shash_errstat(shash, err); + return crypto_shash_op_and_zero(crypto_shash_alg(tfm)->digest, desc, + data, len, out); } EXPORT_SYMBOL_GPL(crypto_shash_digest); @@ -254,214 +197,107 @@ int crypto_shash_tfm_digest(struct crypto_shash *tfm, const u8 *data, unsigned int len, u8 *out) { SHASH_DESC_ON_STACK(desc, tfm); - int err; desc->tfm = tfm; - - err = crypto_shash_digest(desc, data, len, out); - - shash_desc_zero(desc); - - return err; + return crypto_shash_digest(desc, data, len, out); } EXPORT_SYMBOL_GPL(crypto_shash_tfm_digest); -static int shash_default_export(struct shash_desc *desc, void *out) +static int __crypto_shash_export(struct shash_desc *desc, void *out, + int (*export)(struct shash_desc *desc, + void *out)) { - memcpy(out, shash_desc_ctx(desc), crypto_shash_descsize(desc->tfm)); - return 0; -} + struct crypto_shash *tfm = desc->tfm; + u8 *buf = shash_desc_ctx(desc); + unsigned int plen, ss; + + plen = crypto_shash_blocksize(tfm) + 1; + ss = crypto_shash_statesize(tfm); + if (crypto_shash_block_only(tfm)) + ss -= plen; + if (!export) { + memcpy(out, buf, ss); + return 0; + } -static int shash_default_import(struct shash_desc *desc, const void *in) -{ - memcpy(shash_desc_ctx(desc), in, crypto_shash_descsize(desc->tfm)); - return 0; + return export(desc, out); } -static int shash_async_setkey(struct crypto_ahash *tfm, const u8 *key, - unsigned int keylen) +int crypto_shash_export_core(struct shash_desc *desc, void *out) { - struct crypto_shash **ctx = crypto_ahash_ctx(tfm); - - return crypto_shash_setkey(*ctx, key, keylen); + return __crypto_shash_export(desc, out, + crypto_shash_alg(desc->tfm)->export_core); } +EXPORT_SYMBOL_GPL(crypto_shash_export_core); -static int shash_async_init(struct ahash_request *req) +int crypto_shash_export(struct shash_desc *desc, void *out) { - struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); - struct shash_desc *desc = ahash_request_ctx(req); + struct crypto_shash *tfm = desc->tfm; - desc->tfm = *ctx; + if (crypto_shash_block_only(tfm)) { + unsigned int plen = crypto_shash_blocksize(tfm) + 1; + unsigned int descsize = crypto_shash_descsize(tfm); + unsigned int ss = crypto_shash_statesize(tfm); + u8 *buf = shash_desc_ctx(desc); - return crypto_shash_init(desc); + memcpy(out + ss - plen, buf + descsize - plen, plen); + } + return __crypto_shash_export(desc, out, crypto_shash_alg(tfm)->export); } +EXPORT_SYMBOL_GPL(crypto_shash_export); -int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc) +static int __crypto_shash_import(struct shash_desc *desc, const void *in, + int (*import)(struct shash_desc *desc, + const void *in)) { - struct crypto_hash_walk walk; - int nbytes; - - for (nbytes = crypto_hash_walk_first(req, &walk); nbytes > 0; - nbytes = crypto_hash_walk_done(&walk, nbytes)) - nbytes = crypto_shash_update(desc, walk.data, nbytes); - - return nbytes; -} -EXPORT_SYMBOL_GPL(shash_ahash_update); + struct crypto_shash *tfm = desc->tfm; + unsigned int descsize, plen, ss; + u8 *buf = shash_desc_ctx(desc); -static int shash_async_update(struct ahash_request *req) -{ - return shash_ahash_update(req, ahash_request_ctx(req)); -} + if (crypto_shash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) + return -ENOKEY; + + ss = crypto_shash_statesize(tfm); + if (crypto_shash_block_only(tfm)) { + plen = crypto_shash_blocksize(tfm) + 1; + ss -= plen; + descsize = crypto_shash_descsize(tfm); + buf[descsize - 1] = 0; + } + if (!import) { + memcpy(buf, in, ss); + return 0; + } -static int shash_async_final(struct ahash_request *req) -{ - return crypto_shash_final(ahash_request_ctx(req), req->result); + return import(desc, in); } -int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc) +int crypto_shash_import_core(struct shash_desc *desc, const void *in) { - struct crypto_hash_walk walk; - int nbytes; - - nbytes = crypto_hash_walk_first(req, &walk); - if (!nbytes) - return crypto_shash_final(desc, req->result); - - do { - nbytes = crypto_hash_walk_last(&walk) ? - crypto_shash_finup(desc, walk.data, nbytes, - req->result) : - crypto_shash_update(desc, walk.data, nbytes); - nbytes = crypto_hash_walk_done(&walk, nbytes); - } while (nbytes > 0); - - return nbytes; + return __crypto_shash_import(desc, in, + crypto_shash_alg(desc->tfm)->import_core); } -EXPORT_SYMBOL_GPL(shash_ahash_finup); +EXPORT_SYMBOL_GPL(crypto_shash_import_core); -static int shash_async_finup(struct ahash_request *req) +int crypto_shash_import(struct shash_desc *desc, const void *in) { - struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); - struct shash_desc *desc = ahash_request_ctx(req); - - desc->tfm = *ctx; - - return shash_ahash_finup(req, desc); -} - -int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc) -{ - unsigned int nbytes = req->nbytes; - struct scatterlist *sg; - unsigned int offset; + struct crypto_shash *tfm = desc->tfm; int err; - if (nbytes && - (sg = req->src, offset = sg->offset, - nbytes <= min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset))) { - void *data; - - data = kmap_local_page(sg_page(sg)); - err = crypto_shash_digest(desc, data + offset, nbytes, - req->result); - kunmap_local(data); - } else - err = crypto_shash_init(desc) ?: - shash_ahash_finup(req, desc); - - return err; -} -EXPORT_SYMBOL_GPL(shash_ahash_digest); - -static int shash_async_digest(struct ahash_request *req) -{ - struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); - struct shash_desc *desc = ahash_request_ctx(req); - - desc->tfm = *ctx; - - return shash_ahash_digest(req, desc); -} - -static int shash_async_export(struct ahash_request *req, void *out) -{ - return crypto_shash_export(ahash_request_ctx(req), out); -} - -static int shash_async_import(struct ahash_request *req, const void *in) -{ - struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); - struct shash_desc *desc = ahash_request_ctx(req); - - desc->tfm = *ctx; - - return crypto_shash_import(desc, in); -} - -static void crypto_exit_shash_ops_async(struct crypto_tfm *tfm) -{ - struct crypto_shash **ctx = crypto_tfm_ctx(tfm); + err = __crypto_shash_import(desc, in, crypto_shash_alg(tfm)->import); + if (crypto_shash_block_only(tfm)) { + unsigned int plen = crypto_shash_blocksize(tfm) + 1; + unsigned int descsize = crypto_shash_descsize(tfm); + unsigned int ss = crypto_shash_statesize(tfm); + u8 *buf = shash_desc_ctx(desc); - crypto_free_shash(*ctx); -} - -int crypto_init_shash_ops_async(struct crypto_tfm *tfm) -{ - struct crypto_alg *calg = tfm->__crt_alg; - struct shash_alg *alg = __crypto_shash_alg(calg); - struct crypto_ahash *crt = __crypto_ahash_cast(tfm); - struct crypto_shash **ctx = crypto_tfm_ctx(tfm); - struct crypto_shash *shash; - - if (!crypto_mod_get(calg)) - return -EAGAIN; - - shash = crypto_create_tfm(calg, &crypto_shash_type); - if (IS_ERR(shash)) { - crypto_mod_put(calg); - return PTR_ERR(shash); + memcpy(buf + descsize - plen, in + ss - plen, plen); + if (buf[descsize - 1] >= plen) + err = -EOVERFLOW; } - - *ctx = shash; - tfm->exit = crypto_exit_shash_ops_async; - - crt->init = shash_async_init; - crt->update = shash_async_update; - crt->final = shash_async_final; - crt->finup = shash_async_finup; - crt->digest = shash_async_digest; - if (crypto_shash_alg_has_setkey(alg)) - crt->setkey = shash_async_setkey; - - crypto_ahash_set_flags(crt, crypto_shash_get_flags(shash) & - CRYPTO_TFM_NEED_KEY); - - crt->export = shash_async_export; - crt->import = shash_async_import; - - crt->reqsize = sizeof(struct shash_desc) + crypto_shash_descsize(shash); - - return 0; -} - -struct crypto_ahash *crypto_clone_shash_ops_async(struct crypto_ahash *nhash, - struct crypto_ahash *hash) -{ - struct crypto_shash **nctx = crypto_ahash_ctx(nhash); - struct crypto_shash **ctx = crypto_ahash_ctx(hash); - struct crypto_shash *shash; - - shash = crypto_clone_shash(*ctx); - if (IS_ERR(shash)) { - crypto_free_ahash(nhash); - return ERR_CAST(shash); - } - - *nctx = shash; - - return nhash; + return err; } +EXPORT_SYMBOL_GPL(crypto_shash_import); static void crypto_shash_exit_tfm(struct crypto_tfm *tfm) { @@ -475,9 +311,6 @@ static int crypto_shash_init_tfm(struct crypto_tfm *tfm) { struct crypto_shash *hash = __crypto_shash_cast(tfm); struct shash_alg *alg = crypto_shash_alg(hash); - int err; - - hash->descsize = alg->descsize; shash_set_needkey(hash, alg); @@ -487,18 +320,7 @@ static int crypto_shash_init_tfm(struct crypto_tfm *tfm) if (!alg->init_tfm) return 0; - err = alg->init_tfm(hash); - if (err) - return err; - - /* ->init_tfm() may have increased the descsize. */ - if (WARN_ON_ONCE(hash->descsize > HASH_MAX_DESCSIZE)) { - if (alg->exit_tfm) - alg->exit_tfm(hash); - return -EINVAL; - } - - return 0; + return alg->init_tfm(hash); } static void crypto_shash_free_instance(struct crypto_instance *inst) @@ -535,13 +357,7 @@ static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg) seq_printf(m, "digestsize : %u\n", salg->digestsize); } -static int __maybe_unused crypto_shash_report_stat( - struct sk_buff *skb, struct crypto_alg *alg) -{ - return crypto_hash_report_stat(skb, alg, "shash"); -} - -static const struct crypto_type crypto_shash_type = { +const struct crypto_type crypto_shash_type = { .extsize = crypto_alg_extsize, .init_tfm = crypto_shash_init_tfm, .free = crypto_shash_free_instance, @@ -551,13 +367,11 @@ static const struct crypto_type crypto_shash_type = { #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_shash_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_shash_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_MASK, .type = CRYPTO_ALG_TYPE_SHASH, .tfmsize = offsetof(struct crypto_shash, base), + .algsize = offsetof(struct shash_alg, base), }; int crypto_grab_shash(struct crypto_shash_spawn *spawn, @@ -597,52 +411,59 @@ struct crypto_shash *crypto_clone_shash(struct crypto_shash *hash) return hash; } - if (!alg->clone_tfm) + if (!alg->clone_tfm && (alg->init_tfm || alg->base.cra_init)) return ERR_PTR(-ENOSYS); nhash = crypto_clone_tfm(&crypto_shash_type, tfm); if (IS_ERR(nhash)) return nhash; - nhash->descsize = hash->descsize; - - err = alg->clone_tfm(nhash, hash); - if (err) { - crypto_free_shash(nhash); - return ERR_PTR(err); + if (alg->clone_tfm) { + err = alg->clone_tfm(nhash, hash); + if (err) { + crypto_free_shash(nhash); + return ERR_PTR(err); + } } + if (alg->exit_tfm) + crypto_shash_tfm(nhash)->exit = crypto_shash_exit_tfm; + return nhash; } EXPORT_SYMBOL_GPL(crypto_clone_shash); int hash_prepare_alg(struct hash_alg_common *alg) { - struct crypto_istat_hash *istat = hash_get_stat(alg); struct crypto_alg *base = &alg->base; if (alg->digestsize > HASH_MAX_DIGESTSIZE) return -EINVAL; - base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; + /* alignmask is not useful for hashes, so it is not supported. */ + if (base->cra_alignmask) + return -EINVAL; - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - memset(istat, 0, sizeof(*istat)); + base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; return 0; } +static int shash_default_export_core(struct shash_desc *desc, void *out) +{ + return -ENOSYS; +} + +static int shash_default_import_core(struct shash_desc *desc, const void *in) +{ + return -ENOSYS; +} + static int shash_prepare_alg(struct shash_alg *alg) { struct crypto_alg *base = &alg->halg.base; int err; - if (alg->descsize > HASH_MAX_DESCSIZE) - return -EINVAL; - - if (base->cra_alignmask > MAX_SHASH_ALIGNMASK) - return -EINVAL; - if ((alg->export && !alg->import) || (alg->import && !alg->export)) return -EINVAL; @@ -652,19 +473,47 @@ static int shash_prepare_alg(struct shash_alg *alg) base->cra_type = &crypto_shash_type; base->cra_flags |= CRYPTO_ALG_TYPE_SHASH; + base->cra_flags |= CRYPTO_ALG_REQ_VIRT; + /* + * Handle missing optional functions. For each one we can either + * install a default here, or we can leave the pointer as NULL and check + * the pointer for NULL in crypto_shash_*(), avoiding an indirect call + * when the default behavior is desired. For ->finup and ->digest we + * install defaults, since for optimal performance algorithms should + * implement these anyway. On the other hand, for ->import and + * ->export the common case and best performance comes from the simple + * memcpy of the shash_desc_ctx, so when those pointers are NULL we + * leave them NULL and provide the memcpy with no indirect call. + */ if (!alg->finup) - alg->finup = shash_finup_unaligned; + alg->finup = shash_default_finup; if (!alg->digest) - alg->digest = shash_digest_unaligned; - if (!alg->export) { - alg->export = shash_default_export; - alg->import = shash_default_import; + alg->digest = shash_default_digest; + if (!alg->export && !alg->halg.statesize) alg->halg.statesize = alg->descsize; - } if (!alg->setkey) alg->setkey = shash_no_setkey; + if (base->cra_flags & CRYPTO_AHASH_ALG_BLOCK_ONLY) { + BUILD_BUG_ON(MAX_ALGAPI_BLOCKSIZE >= 256); + alg->descsize += base->cra_blocksize + 1; + alg->statesize += base->cra_blocksize + 1; + alg->export_core = alg->export; + alg->import_core = alg->import; + } else if (!alg->export_core || !alg->import_core) { + alg->export_core = shash_default_export_core; + alg->import_core = shash_default_import_core; + base->cra_flags |= CRYPTO_AHASH_ALG_NO_EXPORT_CORE; + } + + if (alg->descsize > HASH_MAX_DESCSIZE) + return -EINVAL; + if (alg->statesize > HASH_MAX_STATESIZE) + return -EINVAL; + + base->cra_reqsize = sizeof(struct shash_desc) + alg->descsize; + return 0; } diff --git a/crypto/sig.c b/crypto/sig.c new file mode 100644 index 000000000000..beba745b6405 --- /dev/null +++ b/crypto/sig.c @@ -0,0 +1,182 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Public Key Signature Algorithm + * + * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au> + */ + +#include <crypto/internal/sig.h> +#include <linux/cryptouser.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/seq_file.h> +#include <linux/string.h> +#include <net/netlink.h> + +#include "internal.h" + +static void crypto_sig_exit_tfm(struct crypto_tfm *tfm) +{ + struct crypto_sig *sig = __crypto_sig_tfm(tfm); + struct sig_alg *alg = crypto_sig_alg(sig); + + alg->exit(sig); +} + +static int crypto_sig_init_tfm(struct crypto_tfm *tfm) +{ + struct crypto_sig *sig = __crypto_sig_tfm(tfm); + struct sig_alg *alg = crypto_sig_alg(sig); + + if (alg->exit) + sig->base.exit = crypto_sig_exit_tfm; + + if (alg->init) + return alg->init(sig); + + return 0; +} + +static void crypto_sig_free_instance(struct crypto_instance *inst) +{ + struct sig_instance *sig = sig_instance(inst); + + sig->free(sig); +} + +static void __maybe_unused crypto_sig_show(struct seq_file *m, + struct crypto_alg *alg) +{ + seq_puts(m, "type : sig\n"); +} + +static int __maybe_unused crypto_sig_report(struct sk_buff *skb, + struct crypto_alg *alg) +{ + struct crypto_report_sig rsig = {}; + + strscpy(rsig.type, "sig", sizeof(rsig.type)); + + return nla_put(skb, CRYPTOCFGA_REPORT_SIG, sizeof(rsig), &rsig); +} + +static const struct crypto_type crypto_sig_type = { + .extsize = crypto_alg_extsize, + .init_tfm = crypto_sig_init_tfm, + .free = crypto_sig_free_instance, +#ifdef CONFIG_PROC_FS + .show = crypto_sig_show, +#endif +#if IS_ENABLED(CONFIG_CRYPTO_USER) + .report = crypto_sig_report, +#endif + .maskclear = ~CRYPTO_ALG_TYPE_MASK, + .maskset = CRYPTO_ALG_TYPE_MASK, + .type = CRYPTO_ALG_TYPE_SIG, + .tfmsize = offsetof(struct crypto_sig, base), + .algsize = offsetof(struct sig_alg, base), +}; + +struct crypto_sig *crypto_alloc_sig(const char *alg_name, u32 type, u32 mask) +{ + return crypto_alloc_tfm(alg_name, &crypto_sig_type, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_alloc_sig); + +static int sig_default_sign(struct crypto_sig *tfm, + const void *src, unsigned int slen, + void *dst, unsigned int dlen) +{ + return -ENOSYS; +} + +static int sig_default_verify(struct crypto_sig *tfm, + const void *src, unsigned int slen, + const void *dst, unsigned int dlen) +{ + return -ENOSYS; +} + +static int sig_default_set_key(struct crypto_sig *tfm, + const void *key, unsigned int keylen) +{ + return -ENOSYS; +} + +static unsigned int sig_default_size(struct crypto_sig *tfm) +{ + return DIV_ROUND_UP_POW2(crypto_sig_keysize(tfm), BITS_PER_BYTE); +} + +static int sig_prepare_alg(struct sig_alg *alg) +{ + struct crypto_alg *base = &alg->base; + + if (!alg->sign) + alg->sign = sig_default_sign; + if (!alg->verify) + alg->verify = sig_default_verify; + if (!alg->set_priv_key) + alg->set_priv_key = sig_default_set_key; + if (!alg->set_pub_key) + return -EINVAL; + if (!alg->key_size) + return -EINVAL; + if (!alg->max_size) + alg->max_size = sig_default_size; + if (!alg->digest_size) + alg->digest_size = sig_default_size; + + base->cra_type = &crypto_sig_type; + base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; + base->cra_flags |= CRYPTO_ALG_TYPE_SIG; + + return 0; +} + +int crypto_register_sig(struct sig_alg *alg) +{ + struct crypto_alg *base = &alg->base; + int err; + + err = sig_prepare_alg(alg); + if (err) + return err; + + return crypto_register_alg(base); +} +EXPORT_SYMBOL_GPL(crypto_register_sig); + +void crypto_unregister_sig(struct sig_alg *alg) +{ + crypto_unregister_alg(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_unregister_sig); + +int sig_register_instance(struct crypto_template *tmpl, + struct sig_instance *inst) +{ + int err; + + if (WARN_ON(!inst->free)) + return -EINVAL; + + err = sig_prepare_alg(&inst->alg); + if (err) + return err; + + return crypto_register_instance(tmpl, sig_crypto_instance(inst)); +} +EXPORT_SYMBOL_GPL(sig_register_instance); + +int crypto_grab_sig(struct crypto_sig_spawn *spawn, + struct crypto_instance *inst, + const char *name, u32 type, u32 mask) +{ + spawn->base.frontend = &crypto_sig_type; + return crypto_grab_spawn(&spawn->base, inst, name, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_grab_sig); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Public Key Signature Algorithms"); diff --git a/crypto/simd.c b/crypto/simd.c index edaa479a1ec5..b07721d1f3f6 100644 --- a/crypto/simd.c +++ b/crypto/simd.c @@ -136,27 +136,19 @@ static int simd_skcipher_init(struct crypto_skcipher *tfm) return 0; } -struct simd_skcipher_alg *simd_skcipher_create_compat(const char *algname, +struct simd_skcipher_alg *simd_skcipher_create_compat(struct skcipher_alg *ialg, + const char *algname, const char *drvname, const char *basename) { struct simd_skcipher_alg *salg; - struct crypto_skcipher *tfm; - struct skcipher_alg *ialg; struct skcipher_alg *alg; int err; - tfm = crypto_alloc_skcipher(basename, CRYPTO_ALG_INTERNAL, - CRYPTO_ALG_INTERNAL | CRYPTO_ALG_ASYNC); - if (IS_ERR(tfm)) - return ERR_CAST(tfm); - - ialg = crypto_skcipher_alg(tfm); - salg = kzalloc(sizeof(*salg), GFP_KERNEL); if (!salg) { salg = ERR_PTR(-ENOMEM); - goto out_put_tfm; + goto out; } salg->ialg_name = basename; @@ -195,30 +187,16 @@ struct simd_skcipher_alg *simd_skcipher_create_compat(const char *algname, if (err) goto out_free_salg; -out_put_tfm: - crypto_free_skcipher(tfm); +out: return salg; out_free_salg: kfree(salg); salg = ERR_PTR(err); - goto out_put_tfm; + goto out; } EXPORT_SYMBOL_GPL(simd_skcipher_create_compat); -struct simd_skcipher_alg *simd_skcipher_create(const char *algname, - const char *basename) -{ - char drvname[CRYPTO_MAX_ALG_NAME]; - - if (snprintf(drvname, CRYPTO_MAX_ALG_NAME, "simd-%s", basename) >= - CRYPTO_MAX_ALG_NAME) - return ERR_PTR(-ENAMETOOLONG); - - return simd_skcipher_create_compat(algname, drvname, basename); -} -EXPORT_SYMBOL_GPL(simd_skcipher_create); - void simd_skcipher_free(struct simd_skcipher_alg *salg) { crypto_unregister_skcipher(&salg->alg); @@ -246,7 +224,7 @@ int simd_register_skciphers_compat(struct skcipher_alg *algs, int count, algname = algs[i].base.cra_name + 2; drvname = algs[i].base.cra_driver_name + 2; basename = algs[i].base.cra_driver_name; - simd = simd_skcipher_create_compat(algname, drvname, basename); + simd = simd_skcipher_create_compat(algs + i, algname, drvname, basename); err = PTR_ERR(simd); if (IS_ERR(simd)) goto err_unregister; @@ -383,27 +361,19 @@ static int simd_aead_init(struct crypto_aead *tfm) return 0; } -struct simd_aead_alg *simd_aead_create_compat(const char *algname, - const char *drvname, - const char *basename) +static struct simd_aead_alg *simd_aead_create_compat(struct aead_alg *ialg, + const char *algname, + const char *drvname, + const char *basename) { struct simd_aead_alg *salg; - struct crypto_aead *tfm; - struct aead_alg *ialg; struct aead_alg *alg; int err; - tfm = crypto_alloc_aead(basename, CRYPTO_ALG_INTERNAL, - CRYPTO_ALG_INTERNAL | CRYPTO_ALG_ASYNC); - if (IS_ERR(tfm)) - return ERR_CAST(tfm); - - ialg = crypto_aead_alg(tfm); - salg = kzalloc(sizeof(*salg), GFP_KERNEL); if (!salg) { salg = ERR_PTR(-ENOMEM); - goto out_put_tfm; + goto out; } salg->ialg_name = basename; @@ -442,36 +412,20 @@ struct simd_aead_alg *simd_aead_create_compat(const char *algname, if (err) goto out_free_salg; -out_put_tfm: - crypto_free_aead(tfm); +out: return salg; out_free_salg: kfree(salg); salg = ERR_PTR(err); - goto out_put_tfm; -} -EXPORT_SYMBOL_GPL(simd_aead_create_compat); - -struct simd_aead_alg *simd_aead_create(const char *algname, - const char *basename) -{ - char drvname[CRYPTO_MAX_ALG_NAME]; - - if (snprintf(drvname, CRYPTO_MAX_ALG_NAME, "simd-%s", basename) >= - CRYPTO_MAX_ALG_NAME) - return ERR_PTR(-ENAMETOOLONG); - - return simd_aead_create_compat(algname, drvname, basename); + goto out; } -EXPORT_SYMBOL_GPL(simd_aead_create); -void simd_aead_free(struct simd_aead_alg *salg) +static void simd_aead_free(struct simd_aead_alg *salg) { crypto_unregister_aead(&salg->alg); kfree(salg); } -EXPORT_SYMBOL_GPL(simd_aead_free); int simd_register_aeads_compat(struct aead_alg *algs, int count, struct simd_aead_alg **simd_algs) @@ -493,7 +447,7 @@ int simd_register_aeads_compat(struct aead_alg *algs, int count, algname = algs[i].base.cra_name + 2; drvname = algs[i].base.cra_driver_name + 2; basename = algs[i].base.cra_driver_name; - simd = simd_aead_create_compat(algname, drvname, basename); + simd = simd_aead_create_compat(algs + i, algname, drvname, basename); err = PTR_ERR(simd); if (IS_ERR(simd)) goto err_unregister; @@ -523,4 +477,5 @@ void simd_unregister_aeads(struct aead_alg *algs, int count, } EXPORT_SYMBOL_GPL(simd_unregister_aeads); +MODULE_DESCRIPTION("Shared crypto SIMD helpers"); MODULE_LICENSE("GPL"); diff --git a/crypto/skcipher.c b/crypto/skcipher.c index 7b275716cf4e..14a820cb06c7 100644 --- a/crypto/skcipher.c +++ b/crypto/skcipher.c @@ -17,163 +17,109 @@ #include <linux/cryptouser.h> #include <linux/err.h> #include <linux/kernel.h> -#include <linux/list.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/string_choices.h> #include <net/netlink.h> +#include "skcipher.h" -#include "internal.h" +#define CRYPTO_ALG_TYPE_SKCIPHER_MASK 0x0000000e enum { - SKCIPHER_WALK_PHYS = 1 << 0, - SKCIPHER_WALK_SLOW = 1 << 1, - SKCIPHER_WALK_COPY = 1 << 2, - SKCIPHER_WALK_DIFF = 1 << 3, - SKCIPHER_WALK_SLEEP = 1 << 4, + SKCIPHER_WALK_SLOW = 1 << 0, + SKCIPHER_WALK_COPY = 1 << 1, + SKCIPHER_WALK_DIFF = 1 << 2, + SKCIPHER_WALK_SLEEP = 1 << 3, }; -struct skcipher_walk_buffer { - struct list_head entry; - struct scatter_walk dst; - unsigned int len; - u8 *data; - u8 buffer[]; -}; +static const struct crypto_type crypto_skcipher_type; static int skcipher_walk_next(struct skcipher_walk *walk); -static inline void skcipher_map_src(struct skcipher_walk *walk) -{ - walk->src.virt.addr = scatterwalk_map(&walk->in); -} - -static inline void skcipher_map_dst(struct skcipher_walk *walk) -{ - walk->dst.virt.addr = scatterwalk_map(&walk->out); -} - -static inline void skcipher_unmap_src(struct skcipher_walk *walk) -{ - scatterwalk_unmap(walk->src.virt.addr); -} - -static inline void skcipher_unmap_dst(struct skcipher_walk *walk) -{ - scatterwalk_unmap(walk->dst.virt.addr); -} - static inline gfp_t skcipher_walk_gfp(struct skcipher_walk *walk) { return walk->flags & SKCIPHER_WALK_SLEEP ? GFP_KERNEL : GFP_ATOMIC; } -/* Get a spot of the specified length that does not straddle a page. - * The caller needs to ensure that there is enough space for this operation. - */ -static inline u8 *skcipher_get_spot(u8 *start, unsigned int len) -{ - u8 *end_page = (u8 *)(((unsigned long)(start + len - 1)) & PAGE_MASK); - - return max(start, end_page); -} - static inline struct skcipher_alg *__crypto_skcipher_alg( struct crypto_alg *alg) { return container_of(alg, struct skcipher_alg, base); } -static inline struct crypto_istat_cipher *skcipher_get_stat( - struct skcipher_alg *alg) -{ -#ifdef CONFIG_CRYPTO_STATS - return &alg->stat; -#else - return NULL; -#endif -} - -static inline int crypto_skcipher_errstat(struct skcipher_alg *alg, int err) -{ - struct crypto_istat_cipher *istat = skcipher_get_stat(alg); - - if (!IS_ENABLED(CONFIG_CRYPTO_STATS)) - return err; - - if (err && err != -EINPROGRESS && err != -EBUSY) - atomic64_inc(&istat->err_cnt); - - return err; -} - -static int skcipher_done_slow(struct skcipher_walk *walk, unsigned int bsize) -{ - u8 *addr; - - addr = (u8 *)ALIGN((unsigned long)walk->buffer, walk->alignmask + 1); - addr = skcipher_get_spot(addr, bsize); - scatterwalk_copychunks(addr, &walk->out, bsize, - (walk->flags & SKCIPHER_WALK_PHYS) ? 2 : 1); - return 0; -} - -int skcipher_walk_done(struct skcipher_walk *walk, int err) +/** + * skcipher_walk_done() - finish one step of a skcipher_walk + * @walk: the skcipher_walk + * @res: number of bytes *not* processed (>= 0) from walk->nbytes, + * or a -errno value to terminate the walk due to an error + * + * This function cleans up after one step of walking through the source and + * destination scatterlists, and advances to the next step if applicable. + * walk->nbytes is set to the number of bytes available in the next step, + * walk->total is set to the new total number of bytes remaining, and + * walk->{src,dst}.virt.addr is set to the next pair of data pointers. If there + * is no more data, or if an error occurred (i.e. -errno return), then + * walk->nbytes and walk->total are set to 0 and all resources owned by the + * skcipher_walk are freed. + * + * Return: 0 or a -errno value. If @res was a -errno value then it will be + * returned, but other errors may occur too. + */ +int skcipher_walk_done(struct skcipher_walk *walk, int res) { - unsigned int n = walk->nbytes; - unsigned int nbytes = 0; + unsigned int n = walk->nbytes; /* num bytes processed this step */ + unsigned int total = 0; /* new total remaining */ if (!n) goto finish; - if (likely(err >= 0)) { - n -= err; - nbytes = walk->total - n; + if (likely(res >= 0)) { + n -= res; /* subtract num bytes *not* processed */ + total = walk->total - n; } - if (likely(!(walk->flags & (SKCIPHER_WALK_PHYS | - SKCIPHER_WALK_SLOW | + if (likely(!(walk->flags & (SKCIPHER_WALK_SLOW | SKCIPHER_WALK_COPY | SKCIPHER_WALK_DIFF)))) { -unmap_src: - skcipher_unmap_src(walk); + scatterwalk_advance(&walk->in, n); } else if (walk->flags & SKCIPHER_WALK_DIFF) { - skcipher_unmap_dst(walk); - goto unmap_src; + scatterwalk_done_src(&walk->in, n); } else if (walk->flags & SKCIPHER_WALK_COPY) { - skcipher_map_dst(walk); - memcpy(walk->dst.virt.addr, walk->page, n); - skcipher_unmap_dst(walk); - } else if (unlikely(walk->flags & SKCIPHER_WALK_SLOW)) { - if (err > 0) { + scatterwalk_advance(&walk->in, n); + scatterwalk_map(&walk->out); + memcpy(walk->out.addr, walk->page, n); + } else { /* SKCIPHER_WALK_SLOW */ + if (res > 0) { /* * Didn't process all bytes. Either the algorithm is * broken, or this was the last step and it turned out * the message wasn't evenly divisible into blocks but * the algorithm requires it. */ - err = -EINVAL; - nbytes = 0; + res = -EINVAL; + total = 0; } else - n = skcipher_done_slow(walk, n); + memcpy_to_scatterwalk(&walk->out, walk->out.addr, n); + goto dst_done; } - if (err > 0) - err = 0; + scatterwalk_done_dst(&walk->out, n); +dst_done: - walk->total = nbytes; - walk->nbytes = 0; + if (res > 0) + res = 0; - scatterwalk_advance(&walk->in, n); - scatterwalk_advance(&walk->out, n); - scatterwalk_done(&walk->in, 0, nbytes); - scatterwalk_done(&walk->out, 1, nbytes); + walk->total = total; + walk->nbytes = 0; - if (nbytes) { - crypto_yield(walk->flags & SKCIPHER_WALK_SLEEP ? - CRYPTO_TFM_REQ_MAY_SLEEP : 0); + if (total) { + if (walk->flags & SKCIPHER_WALK_SLEEP) + cond_resched(); + walk->flags &= ~(SKCIPHER_WALK_SLOW | SKCIPHER_WALK_COPY | + SKCIPHER_WALK_DIFF); return skcipher_walk_next(walk); } @@ -182,9 +128,6 @@ finish: if (!((unsigned long)walk->buffer | (unsigned long)walk->page)) goto out; - if (walk->flags & SKCIPHER_WALK_PHYS) - goto out; - if (walk->iv != walk->oiv) memcpy(walk->oiv, walk->iv, walk->ivsize); if (walk->buffer != walk->page) @@ -193,107 +136,33 @@ finish: free_page((unsigned long)walk->page); out: - return err; + return res; } EXPORT_SYMBOL_GPL(skcipher_walk_done); -void skcipher_walk_complete(struct skcipher_walk *walk, int err) -{ - struct skcipher_walk_buffer *p, *tmp; - - list_for_each_entry_safe(p, tmp, &walk->buffers, entry) { - u8 *data; - - if (err) - goto done; - - data = p->data; - if (!data) { - data = PTR_ALIGN(&p->buffer[0], walk->alignmask + 1); - data = skcipher_get_spot(data, walk->stride); - } - - scatterwalk_copychunks(data, &p->dst, p->len, 1); - - if (offset_in_page(p->data) + p->len + walk->stride > - PAGE_SIZE) - free_page((unsigned long)p->data); - -done: - list_del(&p->entry); - kfree(p); - } - - if (!err && walk->iv != walk->oiv) - memcpy(walk->oiv, walk->iv, walk->ivsize); - if (walk->buffer != walk->page) - kfree(walk->buffer); - if (walk->page) - free_page((unsigned long)walk->page); -} -EXPORT_SYMBOL_GPL(skcipher_walk_complete); - -static void skcipher_queue_write(struct skcipher_walk *walk, - struct skcipher_walk_buffer *p) -{ - p->dst = walk->out; - list_add_tail(&p->entry, &walk->buffers); -} - static int skcipher_next_slow(struct skcipher_walk *walk, unsigned int bsize) { - bool phys = walk->flags & SKCIPHER_WALK_PHYS; unsigned alignmask = walk->alignmask; - struct skcipher_walk_buffer *p; - unsigned a; unsigned n; - u8 *buffer; - void *v; - - if (!phys) { - if (!walk->buffer) - walk->buffer = walk->page; - buffer = walk->buffer; - if (buffer) - goto ok; - } - - /* Start with the minimum alignment of kmalloc. */ - a = crypto_tfm_ctx_alignment() - 1; - n = bsize; - - if (phys) { - /* Calculate the minimum alignment of p->buffer. */ - a &= (sizeof(*p) ^ (sizeof(*p) - 1)) >> 1; - n += sizeof(*p); - } - - /* Minimum size to align p->buffer by alignmask. */ - n += alignmask & ~a; - - /* Minimum size to ensure p->buffer does not straddle a page. */ - n += (bsize - 1) & ~(alignmask | a); - - v = kzalloc(n, skcipher_walk_gfp(walk)); - if (!v) - return skcipher_walk_done(walk, -ENOMEM); + void *buffer; - if (phys) { - p = v; - p->len = bsize; - skcipher_queue_write(walk, p); - buffer = p->buffer; - } else { - walk->buffer = v; - buffer = v; + if (!walk->buffer) + walk->buffer = walk->page; + buffer = walk->buffer; + if (!buffer) { + /* Min size for a buffer of bsize bytes aligned to alignmask */ + n = bsize + (alignmask & ~(crypto_tfm_ctx_alignment() - 1)); + + buffer = kzalloc(n, skcipher_walk_gfp(walk)); + if (!buffer) + return skcipher_walk_done(walk, -ENOMEM); + walk->buffer = buffer; } -ok: - walk->dst.virt.addr = PTR_ALIGN(buffer, alignmask + 1); - walk->dst.virt.addr = skcipher_get_spot(walk->dst.virt.addr, bsize); - walk->src.virt.addr = walk->dst.virt.addr; - - scatterwalk_copychunks(walk->src.virt.addr, &walk->in, bsize, 0); + buffer = PTR_ALIGN(buffer, alignmask + 1); + memcpy_from_scatterwalk(buffer, &walk->in, bsize); + walk->out.__addr = buffer; + walk->in.__addr = walk->out.addr; walk->nbytes = bsize; walk->flags |= SKCIPHER_WALK_SLOW; @@ -303,33 +172,18 @@ ok: static int skcipher_next_copy(struct skcipher_walk *walk) { - struct skcipher_walk_buffer *p; - u8 *tmp = walk->page; - - skcipher_map_src(walk); - memcpy(tmp, walk->src.virt.addr, walk->nbytes); - skcipher_unmap_src(walk); - - walk->src.virt.addr = tmp; - walk->dst.virt.addr = tmp; - - if (!(walk->flags & SKCIPHER_WALK_PHYS)) - return 0; - - p = kmalloc(sizeof(*p), skcipher_walk_gfp(walk)); - if (!p) - return -ENOMEM; - - p->data = walk->page; - p->len = walk->nbytes; - skcipher_queue_write(walk, p); + void *tmp = walk->page; - if (offset_in_page(walk->page) + walk->nbytes + walk->stride > - PAGE_SIZE) - walk->page = NULL; - else - walk->page += walk->nbytes; + scatterwalk_map(&walk->in); + memcpy(tmp, walk->in.addr, walk->nbytes); + scatterwalk_unmap(&walk->in); + /* + * walk->in is advanced later when the number of bytes actually + * processed (which might be less than walk->nbytes) is known. + */ + walk->in.__addr = tmp; + walk->out.__addr = tmp; return 0; } @@ -337,23 +191,17 @@ static int skcipher_next_fast(struct skcipher_walk *walk) { unsigned long diff; - walk->src.phys.page = scatterwalk_page(&walk->in); - walk->src.phys.offset = offset_in_page(walk->in.offset); - walk->dst.phys.page = scatterwalk_page(&walk->out); - walk->dst.phys.offset = offset_in_page(walk->out.offset); - - if (walk->flags & SKCIPHER_WALK_PHYS) - return 0; - - diff = walk->src.phys.offset - walk->dst.phys.offset; - diff |= walk->src.virt.page - walk->dst.virt.page; + diff = offset_in_page(walk->in.offset) - + offset_in_page(walk->out.offset); + diff |= (u8 *)(sg_page(walk->in.sg) + (walk->in.offset >> PAGE_SHIFT)) - + (u8 *)(sg_page(walk->out.sg) + (walk->out.offset >> PAGE_SHIFT)); - skcipher_map_src(walk); - walk->dst.virt.addr = walk->src.virt.addr; + scatterwalk_map(&walk->out); + walk->in.__addr = walk->out.__addr; if (diff) { walk->flags |= SKCIPHER_WALK_DIFF; - skcipher_map_dst(walk); + scatterwalk_map(&walk->in); } return 0; @@ -363,10 +211,6 @@ static int skcipher_walk_next(struct skcipher_walk *walk) { unsigned int bsize; unsigned int n; - int err; - - walk->flags &= ~(SKCIPHER_WALK_SLOW | SKCIPHER_WALK_COPY | - SKCIPHER_WALK_DIFF); n = walk->total; bsize = min(walk->stride, max(n, walk->blocksize)); @@ -378,9 +222,9 @@ static int skcipher_walk_next(struct skcipher_walk *walk) return skcipher_walk_done(walk, -EINVAL); slow_path: - err = skcipher_next_slow(walk, bsize); - goto set_phys_lowmem; + return skcipher_next_slow(walk, bsize); } + walk->nbytes = n; if (unlikely((walk->in.offset | walk->out.offset) & walk->alignmask)) { if (!walk->page) { @@ -390,58 +234,30 @@ slow_path: if (!walk->page) goto slow_path; } - - walk->nbytes = min_t(unsigned, n, - PAGE_SIZE - offset_in_page(walk->page)); walk->flags |= SKCIPHER_WALK_COPY; - err = skcipher_next_copy(walk); - goto set_phys_lowmem; + return skcipher_next_copy(walk); } - walk->nbytes = n; - return skcipher_next_fast(walk); - -set_phys_lowmem: - if (!err && (walk->flags & SKCIPHER_WALK_PHYS)) { - walk->src.phys.page = virt_to_page(walk->src.virt.addr); - walk->dst.phys.page = virt_to_page(walk->dst.virt.addr); - walk->src.phys.offset &= PAGE_SIZE - 1; - walk->dst.phys.offset &= PAGE_SIZE - 1; - } - return err; } static int skcipher_copy_iv(struct skcipher_walk *walk) { - unsigned a = crypto_tfm_ctx_alignment() - 1; unsigned alignmask = walk->alignmask; unsigned ivsize = walk->ivsize; - unsigned bs = walk->stride; - unsigned aligned_bs; + unsigned aligned_stride = ALIGN(walk->stride, alignmask + 1); unsigned size; u8 *iv; - aligned_bs = ALIGN(bs, alignmask + 1); - - /* Minimum size to align buffer by alignmask. */ - size = alignmask & ~a; - - if (walk->flags & SKCIPHER_WALK_PHYS) - size += ivsize; - else { - size += aligned_bs + ivsize; - - /* Minimum size to ensure buffer does not straddle a page. */ - size += (bs - 1) & ~(alignmask | a); - } + /* Min size for a buffer of stride + ivsize, aligned to alignmask */ + size = aligned_stride + ivsize + + (alignmask & ~(crypto_tfm_ctx_alignment() - 1)); walk->buffer = kmalloc(size, skcipher_walk_gfp(walk)); if (!walk->buffer) return -ENOMEM; - iv = PTR_ALIGN(walk->buffer, alignmask + 1); - iv = skcipher_get_spot(iv, bs) + aligned_bs; + iv = PTR_ALIGN(walk->buffer, alignmask + 1) + aligned_stride; walk->iv = memcpy(iv, walk->iv, walk->ivsize); return 0; @@ -464,15 +280,24 @@ static int skcipher_walk_first(struct skcipher_walk *walk) return skcipher_walk_next(walk); } -static int skcipher_walk_skcipher(struct skcipher_walk *walk, - struct skcipher_request *req) +int skcipher_walk_virt(struct skcipher_walk *__restrict walk, + struct skcipher_request *__restrict req, bool atomic) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct skcipher_alg *alg; + + might_sleep_if(req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP); + + alg = crypto_skcipher_alg(tfm); walk->total = req->cryptlen; walk->nbytes = 0; walk->iv = req->iv; walk->oiv = req->iv; + if ((req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) && !atomic) + walk->flags = SKCIPHER_WALK_SLEEP; + else + walk->flags = 0; if (unlikely(!walk->total)) return 0; @@ -480,90 +305,50 @@ static int skcipher_walk_skcipher(struct skcipher_walk *walk, scatterwalk_start(&walk->in, req->src); scatterwalk_start(&walk->out, req->dst); - walk->flags &= ~SKCIPHER_WALK_SLEEP; - walk->flags |= req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? - SKCIPHER_WALK_SLEEP : 0; - walk->blocksize = crypto_skcipher_blocksize(tfm); - walk->stride = crypto_skcipher_walksize(tfm); walk->ivsize = crypto_skcipher_ivsize(tfm); walk->alignmask = crypto_skcipher_alignmask(tfm); - return skcipher_walk_first(walk); -} - -int skcipher_walk_virt(struct skcipher_walk *walk, - struct skcipher_request *req, bool atomic) -{ - int err; - - might_sleep_if(req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP); - - walk->flags &= ~SKCIPHER_WALK_PHYS; - - err = skcipher_walk_skcipher(walk, req); - - walk->flags &= atomic ? ~SKCIPHER_WALK_SLEEP : ~0; + if (alg->co.base.cra_type != &crypto_skcipher_type) + walk->stride = alg->co.chunksize; + else + walk->stride = alg->walksize; - return err; + return skcipher_walk_first(walk); } EXPORT_SYMBOL_GPL(skcipher_walk_virt); -int skcipher_walk_async(struct skcipher_walk *walk, - struct skcipher_request *req) -{ - walk->flags |= SKCIPHER_WALK_PHYS; - - INIT_LIST_HEAD(&walk->buffers); - - return skcipher_walk_skcipher(walk, req); -} -EXPORT_SYMBOL_GPL(skcipher_walk_async); - -static int skcipher_walk_aead_common(struct skcipher_walk *walk, - struct aead_request *req, bool atomic) +static int skcipher_walk_aead_common(struct skcipher_walk *__restrict walk, + struct aead_request *__restrict req, + bool atomic) { struct crypto_aead *tfm = crypto_aead_reqtfm(req); - int err; walk->nbytes = 0; walk->iv = req->iv; walk->oiv = req->iv; + if ((req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) && !atomic) + walk->flags = SKCIPHER_WALK_SLEEP; + else + walk->flags = 0; if (unlikely(!walk->total)) return 0; - walk->flags &= ~SKCIPHER_WALK_PHYS; - - scatterwalk_start(&walk->in, req->src); - scatterwalk_start(&walk->out, req->dst); - - scatterwalk_copychunks(NULL, &walk->in, req->assoclen, 2); - scatterwalk_copychunks(NULL, &walk->out, req->assoclen, 2); - - scatterwalk_done(&walk->in, 0, walk->total); - scatterwalk_done(&walk->out, 0, walk->total); - - if (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) - walk->flags |= SKCIPHER_WALK_SLEEP; - else - walk->flags &= ~SKCIPHER_WALK_SLEEP; + scatterwalk_start_at_pos(&walk->in, req->src, req->assoclen); + scatterwalk_start_at_pos(&walk->out, req->dst, req->assoclen); walk->blocksize = crypto_aead_blocksize(tfm); walk->stride = crypto_aead_chunksize(tfm); walk->ivsize = crypto_aead_ivsize(tfm); walk->alignmask = crypto_aead_alignmask(tfm); - err = skcipher_walk_first(walk); - - if (atomic) - walk->flags &= ~SKCIPHER_WALK_SLEEP; - - return err; + return skcipher_walk_first(walk); } -int skcipher_walk_aead_encrypt(struct skcipher_walk *walk, - struct aead_request *req, bool atomic) +int skcipher_walk_aead_encrypt(struct skcipher_walk *__restrict walk, + struct aead_request *__restrict req, + bool atomic) { walk->total = req->cryptlen; @@ -571,8 +356,9 @@ int skcipher_walk_aead_encrypt(struct skcipher_walk *walk, } EXPORT_SYMBOL_GPL(skcipher_walk_aead_encrypt); -int skcipher_walk_aead_decrypt(struct skcipher_walk *walk, - struct aead_request *req, bool atomic) +int skcipher_walk_aead_decrypt(struct skcipher_walk *__restrict walk, + struct aead_request *__restrict req, + bool atomic) { struct crypto_aead *tfm = crypto_aead_reqtfm(req); @@ -616,6 +402,17 @@ int crypto_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned long alignmask = crypto_skcipher_alignmask(tfm); int err; + if (cipher->co.base.cra_type != &crypto_skcipher_type) { + struct crypto_lskcipher **ctx = crypto_skcipher_ctx(tfm); + + crypto_lskcipher_clear_flags(*ctx, CRYPTO_TFM_REQ_MASK); + crypto_lskcipher_set_flags(*ctx, + crypto_skcipher_get_flags(tfm) & + CRYPTO_TFM_REQ_MASK); + err = crypto_lskcipher_setkey(*ctx, key, keylen); + goto out; + } + if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) return -EINVAL; @@ -624,6 +421,7 @@ int crypto_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key, else err = cipher->setkey(tfm, key, keylen); +out: if (unlikely(err)) { skcipher_set_needkey(tfm); return err; @@ -638,21 +436,12 @@ int crypto_skcipher_encrypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); struct skcipher_alg *alg = crypto_skcipher_alg(tfm); - int ret; - - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) { - struct crypto_istat_cipher *istat = skcipher_get_stat(alg); - - atomic64_inc(&istat->encrypt_cnt); - atomic64_add(req->cryptlen, &istat->encrypt_tlen); - } if (crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) - ret = -ENOKEY; - else - ret = alg->encrypt(req); - - return crypto_skcipher_errstat(alg, ret); + return -ENOKEY; + if (alg->co.base.cra_type != &crypto_skcipher_type) + return crypto_lskcipher_encrypt_sg(req); + return alg->encrypt(req); } EXPORT_SYMBOL_GPL(crypto_skcipher_encrypt); @@ -660,23 +449,72 @@ int crypto_skcipher_decrypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); struct skcipher_alg *alg = crypto_skcipher_alg(tfm); - int ret; - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) { - struct crypto_istat_cipher *istat = skcipher_get_stat(alg); + if (crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) + return -ENOKEY; + if (alg->co.base.cra_type != &crypto_skcipher_type) + return crypto_lskcipher_decrypt_sg(req); + return alg->decrypt(req); +} +EXPORT_SYMBOL_GPL(crypto_skcipher_decrypt); - atomic64_inc(&istat->decrypt_cnt); - atomic64_add(req->cryptlen, &istat->decrypt_tlen); - } +static int crypto_lskcipher_export(struct skcipher_request *req, void *out) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + u8 *ivs = skcipher_request_ctx(req); - if (crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) - ret = -ENOKEY; - else - ret = alg->decrypt(req); + ivs = PTR_ALIGN(ivs, crypto_skcipher_alignmask(tfm) + 1); - return crypto_skcipher_errstat(alg, ret); + memcpy(out, ivs + crypto_skcipher_ivsize(tfm), + crypto_skcipher_statesize(tfm)); + + return 0; } -EXPORT_SYMBOL_GPL(crypto_skcipher_decrypt); + +static int crypto_lskcipher_import(struct skcipher_request *req, const void *in) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + u8 *ivs = skcipher_request_ctx(req); + + ivs = PTR_ALIGN(ivs, crypto_skcipher_alignmask(tfm) + 1); + + memcpy(ivs + crypto_skcipher_ivsize(tfm), in, + crypto_skcipher_statesize(tfm)); + + return 0; +} + +static int skcipher_noexport(struct skcipher_request *req, void *out) +{ + return 0; +} + +static int skcipher_noimport(struct skcipher_request *req, const void *in) +{ + return 0; +} + +int crypto_skcipher_export(struct skcipher_request *req, void *out) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); + + if (alg->co.base.cra_type != &crypto_skcipher_type) + return crypto_lskcipher_export(req, out); + return alg->export(req, out); +} +EXPORT_SYMBOL_GPL(crypto_skcipher_export); + +int crypto_skcipher_import(struct skcipher_request *req, const void *in) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); + + if (alg->co.base.cra_type != &crypto_skcipher_type) + return crypto_lskcipher_import(req, in); + return alg->import(req, in); +} +EXPORT_SYMBOL_GPL(crypto_skcipher_import); static void crypto_skcipher_exit_tfm(struct crypto_tfm *tfm) { @@ -693,6 +531,20 @@ static int crypto_skcipher_init_tfm(struct crypto_tfm *tfm) skcipher_set_needkey(skcipher); + if (tfm->__crt_alg->cra_type != &crypto_skcipher_type) { + unsigned am = crypto_skcipher_alignmask(skcipher); + unsigned reqsize; + + reqsize = am & ~(crypto_tfm_ctx_alignment() - 1); + reqsize += crypto_skcipher_ivsize(skcipher); + reqsize += crypto_skcipher_statesize(skcipher); + crypto_skcipher_set_reqsize(skcipher, reqsize); + + return crypto_init_lskcipher_ops_sg(tfm); + } + + crypto_skcipher_set_reqsize(skcipher, crypto_tfm_alg_reqsize(tfm)); + if (alg->exit) skcipher->base.exit = crypto_skcipher_exit_tfm; @@ -702,6 +554,14 @@ static int crypto_skcipher_init_tfm(struct crypto_tfm *tfm) return 0; } +static unsigned int crypto_skcipher_extsize(struct crypto_alg *alg) +{ + if (alg->cra_type != &crypto_skcipher_type) + return sizeof(struct crypto_lskcipher *); + + return crypto_alg_extsize(alg); +} + static void crypto_skcipher_free_instance(struct crypto_instance *inst) { struct skcipher_instance *skcipher = @@ -718,13 +578,14 @@ static void crypto_skcipher_show(struct seq_file *m, struct crypto_alg *alg) seq_printf(m, "type : skcipher\n"); seq_printf(m, "async : %s\n", - alg->cra_flags & CRYPTO_ALG_ASYNC ? "yes" : "no"); + str_yes_no(alg->cra_flags & CRYPTO_ALG_ASYNC)); seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); seq_printf(m, "min keysize : %u\n", skcipher->min_keysize); seq_printf(m, "max keysize : %u\n", skcipher->max_keysize); seq_printf(m, "ivsize : %u\n", skcipher->ivsize); seq_printf(m, "chunksize : %u\n", skcipher->chunksize); seq_printf(m, "walksize : %u\n", skcipher->walksize); + seq_printf(m, "statesize : %u\n", skcipher->statesize); } static int __maybe_unused crypto_skcipher_report( @@ -747,30 +608,8 @@ static int __maybe_unused crypto_skcipher_report( sizeof(rblkcipher), &rblkcipher); } -static int __maybe_unused crypto_skcipher_report_stat( - struct sk_buff *skb, struct crypto_alg *alg) -{ - struct skcipher_alg *skcipher = __crypto_skcipher_alg(alg); - struct crypto_istat_cipher *istat; - struct crypto_stat_cipher rcipher; - - istat = skcipher_get_stat(skcipher); - - memset(&rcipher, 0, sizeof(rcipher)); - - strscpy(rcipher.type, "cipher", sizeof(rcipher.type)); - - rcipher.stat_encrypt_cnt = atomic64_read(&istat->encrypt_cnt); - rcipher.stat_encrypt_tlen = atomic64_read(&istat->encrypt_tlen); - rcipher.stat_decrypt_cnt = atomic64_read(&istat->decrypt_cnt); - rcipher.stat_decrypt_tlen = atomic64_read(&istat->decrypt_tlen); - rcipher.stat_err_cnt = atomic64_read(&istat->err_cnt); - - return nla_put(skb, CRYPTOCFGA_STAT_CIPHER, sizeof(rcipher), &rcipher); -} - static const struct crypto_type crypto_skcipher_type = { - .extsize = crypto_alg_extsize, + .extsize = crypto_skcipher_extsize, .init_tfm = crypto_skcipher_init_tfm, .free = crypto_skcipher_free_instance, #ifdef CONFIG_PROC_FS @@ -779,13 +618,11 @@ static const struct crypto_type crypto_skcipher_type = { #if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_skcipher_report, #endif -#ifdef CONFIG_CRYPTO_STATS - .report_stat = crypto_skcipher_report_stat, -#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, - .maskset = CRYPTO_ALG_TYPE_MASK, + .maskset = CRYPTO_ALG_TYPE_SKCIPHER_MASK, .type = CRYPTO_ALG_TYPE_SKCIPHER, .tfmsize = offsetof(struct crypto_skcipher, base), + .algsize = offsetof(struct skcipher_alg, base), }; int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, @@ -811,6 +648,7 @@ struct crypto_sync_skcipher *crypto_alloc_sync_skcipher( /* Only sync algorithms allowed. */ mask |= CRYPTO_ALG_ASYNC | CRYPTO_ALG_SKCIPHER_REQSIZE_LARGE; + type &= ~(CRYPTO_ALG_ASYNC | CRYPTO_ALG_SKCIPHER_REQSIZE_LARGE); tfm = crypto_alloc_tfm(alg_name, &crypto_skcipher_type, type, mask); @@ -834,27 +672,47 @@ int crypto_has_skcipher(const char *alg_name, u32 type, u32 mask) } EXPORT_SYMBOL_GPL(crypto_has_skcipher); -static int skcipher_prepare_alg(struct skcipher_alg *alg) +int skcipher_prepare_alg_common(struct skcipher_alg_common *alg) { - struct crypto_istat_cipher *istat = skcipher_get_stat(alg); struct crypto_alg *base = &alg->base; if (alg->ivsize > PAGE_SIZE / 8 || alg->chunksize > PAGE_SIZE / 8 || - alg->walksize > PAGE_SIZE / 8) + alg->statesize > PAGE_SIZE / 2 || + (alg->ivsize + alg->statesize) > PAGE_SIZE / 2) return -EINVAL; if (!alg->chunksize) alg->chunksize = base->cra_blocksize; + + base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; + + return 0; +} + +static int skcipher_prepare_alg(struct skcipher_alg *alg) +{ + struct crypto_alg *base = &alg->base; + int err; + + err = skcipher_prepare_alg_common(&alg->co); + if (err) + return err; + + if (alg->walksize > PAGE_SIZE / 8) + return -EINVAL; + if (!alg->walksize) alg->walksize = alg->chunksize; + if (!alg->statesize) { + alg->import = skcipher_noimport; + alg->export = skcipher_noexport; + } else if (!(alg->import && alg->export)) + return -EINVAL; + base->cra_type = &crypto_skcipher_type; - base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; base->cra_flags |= CRYPTO_ALG_TYPE_SKCIPHER; - if (IS_ENABLED(CONFIG_CRYPTO_STATS)) - memset(istat, 0, sizeof(*istat)); - return 0; } @@ -1032,4 +890,4 @@ EXPORT_SYMBOL_GPL(skcipher_alloc_instance_simple); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Symmetric key cipher type"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/skcipher.h b/crypto/skcipher.h new file mode 100644 index 000000000000..703651367dd8 --- /dev/null +++ b/crypto/skcipher.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Cryptographic API. + * + * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au> + */ +#ifndef _LOCAL_CRYPTO_SKCIPHER_H +#define _LOCAL_CRYPTO_SKCIPHER_H + +#include <crypto/internal/skcipher.h> +#include "internal.h" + +int crypto_lskcipher_encrypt_sg(struct skcipher_request *req); +int crypto_lskcipher_decrypt_sg(struct skcipher_request *req); +int crypto_init_lskcipher_ops_sg(struct crypto_tfm *tfm); +int skcipher_prepare_alg_common(struct skcipher_alg_common *alg); + +#endif /* _LOCAL_CRYPTO_SKCIPHER_H */ diff --git a/crypto/sm2.c b/crypto/sm2.c deleted file mode 100644 index ed9307dac3d1..000000000000 --- a/crypto/sm2.c +++ /dev/null @@ -1,460 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * SM2 asymmetric public-key algorithm - * as specified by OSCCA GM/T 0003.1-2012 -- 0003.5-2012 SM2 and - * described at https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02 - * - * Copyright (c) 2020, Alibaba Group. - * Authors: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> - */ - -#include <linux/module.h> -#include <linux/mpi.h> -#include <crypto/internal/akcipher.h> -#include <crypto/akcipher.h> -#include <crypto/hash.h> -#include <crypto/sm3.h> -#include <crypto/rng.h> -#include <crypto/sm2.h> -#include "sm2signature.asn1.h" - -#define MPI_NBYTES(m) ((mpi_get_nbits(m) + 7) / 8) - -struct ecc_domain_parms { - const char *desc; /* Description of the curve. */ - unsigned int nbits; /* Number of bits. */ - unsigned int fips:1; /* True if this is a FIPS140-2 approved curve */ - - /* The model describing this curve. This is mainly used to select - * the group equation. - */ - enum gcry_mpi_ec_models model; - - /* The actual ECC dialect used. This is used for curve specific - * optimizations and to select encodings etc. - */ - enum ecc_dialects dialect; - - const char *p; /* The prime defining the field. */ - const char *a, *b; /* The coefficients. For Twisted Edwards - * Curves b is used for d. For Montgomery - * Curves (a,b) has ((A-2)/4,B^-1). - */ - const char *n; /* The order of the base point. */ - const char *g_x, *g_y; /* Base point. */ - unsigned int h; /* Cofactor. */ -}; - -static const struct ecc_domain_parms sm2_ecp = { - .desc = "sm2p256v1", - .nbits = 256, - .fips = 0, - .model = MPI_EC_WEIERSTRASS, - .dialect = ECC_DIALECT_STANDARD, - .p = "0xfffffffeffffffffffffffffffffffffffffffff00000000ffffffffffffffff", - .a = "0xfffffffeffffffffffffffffffffffffffffffff00000000fffffffffffffffc", - .b = "0x28e9fa9e9d9f5e344d5a9e4bcf6509a7f39789f515ab8f92ddbcbd414d940e93", - .n = "0xfffffffeffffffffffffffffffffffff7203df6b21c6052b53bbf40939d54123", - .g_x = "0x32c4ae2c1f1981195f9904466a39c9948fe30bbff2660be1715a4589334c74c7", - .g_y = "0xbc3736a2f4f6779c59bdcee36b692153d0a9877cc62a474002df32e52139f0a0", - .h = 1 -}; - -static int sm2_ec_ctx_init(struct mpi_ec_ctx *ec) -{ - const struct ecc_domain_parms *ecp = &sm2_ecp; - MPI p, a, b; - MPI x, y; - int rc = -EINVAL; - - p = mpi_scanval(ecp->p); - a = mpi_scanval(ecp->a); - b = mpi_scanval(ecp->b); - if (!p || !a || !b) - goto free_p; - - x = mpi_scanval(ecp->g_x); - y = mpi_scanval(ecp->g_y); - if (!x || !y) - goto free; - - rc = -ENOMEM; - - ec->Q = mpi_point_new(0); - if (!ec->Q) - goto free; - - /* mpi_ec_setup_elliptic_curve */ - ec->G = mpi_point_new(0); - if (!ec->G) { - mpi_point_release(ec->Q); - goto free; - } - - mpi_set(ec->G->x, x); - mpi_set(ec->G->y, y); - mpi_set_ui(ec->G->z, 1); - - rc = -EINVAL; - ec->n = mpi_scanval(ecp->n); - if (!ec->n) { - mpi_point_release(ec->Q); - mpi_point_release(ec->G); - goto free; - } - - ec->h = ecp->h; - ec->name = ecp->desc; - mpi_ec_init(ec, ecp->model, ecp->dialect, 0, p, a, b); - - rc = 0; - -free: - mpi_free(x); - mpi_free(y); -free_p: - mpi_free(p); - mpi_free(a); - mpi_free(b); - - return rc; -} - -static void sm2_ec_ctx_deinit(struct mpi_ec_ctx *ec) -{ - mpi_ec_deinit(ec); - - memset(ec, 0, sizeof(*ec)); -} - -/* RESULT must have been initialized and is set on success to the - * point given by VALUE. - */ -static int sm2_ecc_os2ec(MPI_POINT result, MPI value) -{ - int rc; - size_t n; - unsigned char *buf; - MPI x, y; - - n = MPI_NBYTES(value); - buf = kmalloc(n, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - rc = mpi_print(GCRYMPI_FMT_USG, buf, n, &n, value); - if (rc) - goto err_freebuf; - - rc = -EINVAL; - if (n < 1 || ((n - 1) % 2)) - goto err_freebuf; - /* No support for point compression */ - if (*buf != 0x4) - goto err_freebuf; - - rc = -ENOMEM; - n = (n - 1) / 2; - x = mpi_read_raw_data(buf + 1, n); - if (!x) - goto err_freebuf; - y = mpi_read_raw_data(buf + 1 + n, n); - if (!y) - goto err_freex; - - mpi_normalize(x); - mpi_normalize(y); - mpi_set(result->x, x); - mpi_set(result->y, y); - mpi_set_ui(result->z, 1); - - rc = 0; - - mpi_free(y); -err_freex: - mpi_free(x); -err_freebuf: - kfree(buf); - return rc; -} - -struct sm2_signature_ctx { - MPI sig_r; - MPI sig_s; -}; - -int sm2_get_signature_r(void *context, size_t hdrlen, unsigned char tag, - const void *value, size_t vlen) -{ - struct sm2_signature_ctx *sig = context; - - if (!value || !vlen) - return -EINVAL; - - sig->sig_r = mpi_read_raw_data(value, vlen); - if (!sig->sig_r) - return -ENOMEM; - - return 0; -} - -int sm2_get_signature_s(void *context, size_t hdrlen, unsigned char tag, - const void *value, size_t vlen) -{ - struct sm2_signature_ctx *sig = context; - - if (!value || !vlen) - return -EINVAL; - - sig->sig_s = mpi_read_raw_data(value, vlen); - if (!sig->sig_s) - return -ENOMEM; - - return 0; -} - -static int sm2_z_digest_update(struct sm3_state *sctx, - MPI m, unsigned int pbytes) -{ - static const unsigned char zero[32]; - unsigned char *in; - unsigned int inlen; - - in = mpi_get_buffer(m, &inlen, NULL); - if (!in) - return -EINVAL; - - if (inlen < pbytes) { - /* padding with zero */ - sm3_update(sctx, zero, pbytes - inlen); - sm3_update(sctx, in, inlen); - } else if (inlen > pbytes) { - /* skip the starting zero */ - sm3_update(sctx, in + inlen - pbytes, pbytes); - } else { - sm3_update(sctx, in, inlen); - } - - kfree(in); - return 0; -} - -static int sm2_z_digest_update_point(struct sm3_state *sctx, - MPI_POINT point, struct mpi_ec_ctx *ec, unsigned int pbytes) -{ - MPI x, y; - int ret = -EINVAL; - - x = mpi_new(0); - y = mpi_new(0); - - if (!mpi_ec_get_affine(x, y, point, ec) && - !sm2_z_digest_update(sctx, x, pbytes) && - !sm2_z_digest_update(sctx, y, pbytes)) - ret = 0; - - mpi_free(x); - mpi_free(y); - return ret; -} - -int sm2_compute_z_digest(struct crypto_akcipher *tfm, - const unsigned char *id, size_t id_len, - unsigned char dgst[SM3_DIGEST_SIZE]) -{ - struct mpi_ec_ctx *ec = akcipher_tfm_ctx(tfm); - uint16_t bits_len; - unsigned char entl[2]; - struct sm3_state sctx; - unsigned int pbytes; - - if (id_len > (USHRT_MAX / 8) || !ec->Q) - return -EINVAL; - - bits_len = (uint16_t)(id_len * 8); - entl[0] = bits_len >> 8; - entl[1] = bits_len & 0xff; - - pbytes = MPI_NBYTES(ec->p); - - /* ZA = H256(ENTLA | IDA | a | b | xG | yG | xA | yA) */ - sm3_init(&sctx); - sm3_update(&sctx, entl, 2); - sm3_update(&sctx, id, id_len); - - if (sm2_z_digest_update(&sctx, ec->a, pbytes) || - sm2_z_digest_update(&sctx, ec->b, pbytes) || - sm2_z_digest_update_point(&sctx, ec->G, ec, pbytes) || - sm2_z_digest_update_point(&sctx, ec->Q, ec, pbytes)) - return -EINVAL; - - sm3_final(&sctx, dgst); - return 0; -} -EXPORT_SYMBOL(sm2_compute_z_digest); - -static int _sm2_verify(struct mpi_ec_ctx *ec, MPI hash, MPI sig_r, MPI sig_s) -{ - int rc = -EINVAL; - struct gcry_mpi_point sG, tP; - MPI t = NULL; - MPI x1 = NULL, y1 = NULL; - - mpi_point_init(&sG); - mpi_point_init(&tP); - x1 = mpi_new(0); - y1 = mpi_new(0); - t = mpi_new(0); - - /* r, s in [1, n-1] */ - if (mpi_cmp_ui(sig_r, 1) < 0 || mpi_cmp(sig_r, ec->n) > 0 || - mpi_cmp_ui(sig_s, 1) < 0 || mpi_cmp(sig_s, ec->n) > 0) { - goto leave; - } - - /* t = (r + s) % n, t == 0 */ - mpi_addm(t, sig_r, sig_s, ec->n); - if (mpi_cmp_ui(t, 0) == 0) - goto leave; - - /* sG + tP = (x1, y1) */ - rc = -EBADMSG; - mpi_ec_mul_point(&sG, sig_s, ec->G, ec); - mpi_ec_mul_point(&tP, t, ec->Q, ec); - mpi_ec_add_points(&sG, &sG, &tP, ec); - if (mpi_ec_get_affine(x1, y1, &sG, ec)) - goto leave; - - /* R = (e + x1) % n */ - mpi_addm(t, hash, x1, ec->n); - - /* check R == r */ - rc = -EKEYREJECTED; - if (mpi_cmp(t, sig_r)) - goto leave; - - rc = 0; - -leave: - mpi_point_free_parts(&sG); - mpi_point_free_parts(&tP); - mpi_free(x1); - mpi_free(y1); - mpi_free(t); - - return rc; -} - -static int sm2_verify(struct akcipher_request *req) -{ - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - struct mpi_ec_ctx *ec = akcipher_tfm_ctx(tfm); - unsigned char *buffer; - struct sm2_signature_ctx sig; - MPI hash; - int ret; - - if (unlikely(!ec->Q)) - return -EINVAL; - - buffer = kmalloc(req->src_len + req->dst_len, GFP_KERNEL); - if (!buffer) - return -ENOMEM; - - sg_pcopy_to_buffer(req->src, - sg_nents_for_len(req->src, req->src_len + req->dst_len), - buffer, req->src_len + req->dst_len, 0); - - sig.sig_r = NULL; - sig.sig_s = NULL; - ret = asn1_ber_decoder(&sm2signature_decoder, &sig, - buffer, req->src_len); - if (ret) - goto error; - - ret = -ENOMEM; - hash = mpi_read_raw_data(buffer + req->src_len, req->dst_len); - if (!hash) - goto error; - - ret = _sm2_verify(ec, hash, sig.sig_r, sig.sig_s); - - mpi_free(hash); -error: - mpi_free(sig.sig_r); - mpi_free(sig.sig_s); - kfree(buffer); - return ret; -} - -static int sm2_set_pub_key(struct crypto_akcipher *tfm, - const void *key, unsigned int keylen) -{ - struct mpi_ec_ctx *ec = akcipher_tfm_ctx(tfm); - MPI a; - int rc; - - /* include the uncompressed flag '0x04' */ - a = mpi_read_raw_data(key, keylen); - if (!a) - return -ENOMEM; - - mpi_normalize(a); - rc = sm2_ecc_os2ec(ec->Q, a); - mpi_free(a); - - return rc; -} - -static unsigned int sm2_max_size(struct crypto_akcipher *tfm) -{ - /* Unlimited max size */ - return PAGE_SIZE; -} - -static int sm2_init_tfm(struct crypto_akcipher *tfm) -{ - struct mpi_ec_ctx *ec = akcipher_tfm_ctx(tfm); - - return sm2_ec_ctx_init(ec); -} - -static void sm2_exit_tfm(struct crypto_akcipher *tfm) -{ - struct mpi_ec_ctx *ec = akcipher_tfm_ctx(tfm); - - sm2_ec_ctx_deinit(ec); -} - -static struct akcipher_alg sm2 = { - .verify = sm2_verify, - .set_pub_key = sm2_set_pub_key, - .max_size = sm2_max_size, - .init = sm2_init_tfm, - .exit = sm2_exit_tfm, - .base = { - .cra_name = "sm2", - .cra_driver_name = "sm2-generic", - .cra_priority = 100, - .cra_module = THIS_MODULE, - .cra_ctxsize = sizeof(struct mpi_ec_ctx), - }, -}; - -static int __init sm2_init(void) -{ - return crypto_register_akcipher(&sm2); -} - -static void __exit sm2_exit(void) -{ - crypto_unregister_akcipher(&sm2); -} - -subsys_initcall(sm2_init); -module_exit(sm2_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Tianjia Zhang <tianjia.zhang@linux.alibaba.com>"); -MODULE_DESCRIPTION("SM2 generic algorithm"); -MODULE_ALIAS_CRYPTO("sm2-generic"); diff --git a/crypto/sm2signature.asn1 b/crypto/sm2signature.asn1 deleted file mode 100644 index ab8c0b754d21..000000000000 --- a/crypto/sm2signature.asn1 +++ /dev/null @@ -1,4 +0,0 @@ -Sm2Signature ::= SEQUENCE { - sig_r INTEGER ({ sm2_get_signature_r }), - sig_s INTEGER ({ sm2_get_signature_s }) -} diff --git a/crypto/sm3.c b/crypto/sm3.c deleted file mode 100644 index d473e358a873..000000000000 --- a/crypto/sm3.c +++ /dev/null @@ -1,246 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * SM3 secure hash, as specified by OSCCA GM/T 0004-2012 SM3 and described - * at https://datatracker.ietf.org/doc/html/draft-sca-cfrg-sm3-02 - * - * Copyright (C) 2017 ARM Limited or its affiliates. - * Copyright (C) 2017 Gilad Ben-Yossef <gilad@benyossef.com> - * Copyright (C) 2021 Tianjia Zhang <tianjia.zhang@linux.alibaba.com> - */ - -#include <linux/module.h> -#include <asm/unaligned.h> -#include <crypto/sm3.h> - -static const u32 ____cacheline_aligned K[64] = { - 0x79cc4519, 0xf3988a32, 0xe7311465, 0xce6228cb, - 0x9cc45197, 0x3988a32f, 0x7311465e, 0xe6228cbc, - 0xcc451979, 0x988a32f3, 0x311465e7, 0x6228cbce, - 0xc451979c, 0x88a32f39, 0x11465e73, 0x228cbce6, - 0x9d8a7a87, 0x3b14f50f, 0x7629ea1e, 0xec53d43c, - 0xd8a7a879, 0xb14f50f3, 0x629ea1e7, 0xc53d43ce, - 0x8a7a879d, 0x14f50f3b, 0x29ea1e76, 0x53d43cec, - 0xa7a879d8, 0x4f50f3b1, 0x9ea1e762, 0x3d43cec5, - 0x7a879d8a, 0xf50f3b14, 0xea1e7629, 0xd43cec53, - 0xa879d8a7, 0x50f3b14f, 0xa1e7629e, 0x43cec53d, - 0x879d8a7a, 0x0f3b14f5, 0x1e7629ea, 0x3cec53d4, - 0x79d8a7a8, 0xf3b14f50, 0xe7629ea1, 0xcec53d43, - 0x9d8a7a87, 0x3b14f50f, 0x7629ea1e, 0xec53d43c, - 0xd8a7a879, 0xb14f50f3, 0x629ea1e7, 0xc53d43ce, - 0x8a7a879d, 0x14f50f3b, 0x29ea1e76, 0x53d43cec, - 0xa7a879d8, 0x4f50f3b1, 0x9ea1e762, 0x3d43cec5 -}; - -/* - * Transform the message X which consists of 16 32-bit-words. See - * GM/T 004-2012 for details. - */ -#define R(i, a, b, c, d, e, f, g, h, t, w1, w2) \ - do { \ - ss1 = rol32((rol32((a), 12) + (e) + (t)), 7); \ - ss2 = ss1 ^ rol32((a), 12); \ - d += FF ## i(a, b, c) + ss2 + ((w1) ^ (w2)); \ - h += GG ## i(e, f, g) + ss1 + (w1); \ - b = rol32((b), 9); \ - f = rol32((f), 19); \ - h = P0((h)); \ - } while (0) - -#define R1(a, b, c, d, e, f, g, h, t, w1, w2) \ - R(1, a, b, c, d, e, f, g, h, t, w1, w2) -#define R2(a, b, c, d, e, f, g, h, t, w1, w2) \ - R(2, a, b, c, d, e, f, g, h, t, w1, w2) - -#define FF1(x, y, z) (x ^ y ^ z) -#define FF2(x, y, z) ((x & y) | (x & z) | (y & z)) - -#define GG1(x, y, z) FF1(x, y, z) -#define GG2(x, y, z) ((x & y) | (~x & z)) - -/* Message expansion */ -#define P0(x) ((x) ^ rol32((x), 9) ^ rol32((x), 17)) -#define P1(x) ((x) ^ rol32((x), 15) ^ rol32((x), 23)) -#define I(i) (W[i] = get_unaligned_be32(data + i * 4)) -#define W1(i) (W[i & 0x0f]) -#define W2(i) (W[i & 0x0f] = \ - P1(W[i & 0x0f] \ - ^ W[(i-9) & 0x0f] \ - ^ rol32(W[(i-3) & 0x0f], 15)) \ - ^ rol32(W[(i-13) & 0x0f], 7) \ - ^ W[(i-6) & 0x0f]) - -static void sm3_transform(struct sm3_state *sctx, u8 const *data, u32 W[16]) -{ - u32 a, b, c, d, e, f, g, h, ss1, ss2; - - a = sctx->state[0]; - b = sctx->state[1]; - c = sctx->state[2]; - d = sctx->state[3]; - e = sctx->state[4]; - f = sctx->state[5]; - g = sctx->state[6]; - h = sctx->state[7]; - - R1(a, b, c, d, e, f, g, h, K[0], I(0), I(4)); - R1(d, a, b, c, h, e, f, g, K[1], I(1), I(5)); - R1(c, d, a, b, g, h, e, f, K[2], I(2), I(6)); - R1(b, c, d, a, f, g, h, e, K[3], I(3), I(7)); - R1(a, b, c, d, e, f, g, h, K[4], W1(4), I(8)); - R1(d, a, b, c, h, e, f, g, K[5], W1(5), I(9)); - R1(c, d, a, b, g, h, e, f, K[6], W1(6), I(10)); - R1(b, c, d, a, f, g, h, e, K[7], W1(7), I(11)); - R1(a, b, c, d, e, f, g, h, K[8], W1(8), I(12)); - R1(d, a, b, c, h, e, f, g, K[9], W1(9), I(13)); - R1(c, d, a, b, g, h, e, f, K[10], W1(10), I(14)); - R1(b, c, d, a, f, g, h, e, K[11], W1(11), I(15)); - R1(a, b, c, d, e, f, g, h, K[12], W1(12), W2(16)); - R1(d, a, b, c, h, e, f, g, K[13], W1(13), W2(17)); - R1(c, d, a, b, g, h, e, f, K[14], W1(14), W2(18)); - R1(b, c, d, a, f, g, h, e, K[15], W1(15), W2(19)); - - R2(a, b, c, d, e, f, g, h, K[16], W1(16), W2(20)); - R2(d, a, b, c, h, e, f, g, K[17], W1(17), W2(21)); - R2(c, d, a, b, g, h, e, f, K[18], W1(18), W2(22)); - R2(b, c, d, a, f, g, h, e, K[19], W1(19), W2(23)); - R2(a, b, c, d, e, f, g, h, K[20], W1(20), W2(24)); - R2(d, a, b, c, h, e, f, g, K[21], W1(21), W2(25)); - R2(c, d, a, b, g, h, e, f, K[22], W1(22), W2(26)); - R2(b, c, d, a, f, g, h, e, K[23], W1(23), W2(27)); - R2(a, b, c, d, e, f, g, h, K[24], W1(24), W2(28)); - R2(d, a, b, c, h, e, f, g, K[25], W1(25), W2(29)); - R2(c, d, a, b, g, h, e, f, K[26], W1(26), W2(30)); - R2(b, c, d, a, f, g, h, e, K[27], W1(27), W2(31)); - R2(a, b, c, d, e, f, g, h, K[28], W1(28), W2(32)); - R2(d, a, b, c, h, e, f, g, K[29], W1(29), W2(33)); - R2(c, d, a, b, g, h, e, f, K[30], W1(30), W2(34)); - R2(b, c, d, a, f, g, h, e, K[31], W1(31), W2(35)); - - R2(a, b, c, d, e, f, g, h, K[32], W1(32), W2(36)); - R2(d, a, b, c, h, e, f, g, K[33], W1(33), W2(37)); - R2(c, d, a, b, g, h, e, f, K[34], W1(34), W2(38)); - R2(b, c, d, a, f, g, h, e, K[35], W1(35), W2(39)); - R2(a, b, c, d, e, f, g, h, K[36], W1(36), W2(40)); - R2(d, a, b, c, h, e, f, g, K[37], W1(37), W2(41)); - R2(c, d, a, b, g, h, e, f, K[38], W1(38), W2(42)); - R2(b, c, d, a, f, g, h, e, K[39], W1(39), W2(43)); - R2(a, b, c, d, e, f, g, h, K[40], W1(40), W2(44)); - R2(d, a, b, c, h, e, f, g, K[41], W1(41), W2(45)); - R2(c, d, a, b, g, h, e, f, K[42], W1(42), W2(46)); - R2(b, c, d, a, f, g, h, e, K[43], W1(43), W2(47)); - R2(a, b, c, d, e, f, g, h, K[44], W1(44), W2(48)); - R2(d, a, b, c, h, e, f, g, K[45], W1(45), W2(49)); - R2(c, d, a, b, g, h, e, f, K[46], W1(46), W2(50)); - R2(b, c, d, a, f, g, h, e, K[47], W1(47), W2(51)); - - R2(a, b, c, d, e, f, g, h, K[48], W1(48), W2(52)); - R2(d, a, b, c, h, e, f, g, K[49], W1(49), W2(53)); - R2(c, d, a, b, g, h, e, f, K[50], W1(50), W2(54)); - R2(b, c, d, a, f, g, h, e, K[51], W1(51), W2(55)); - R2(a, b, c, d, e, f, g, h, K[52], W1(52), W2(56)); - R2(d, a, b, c, h, e, f, g, K[53], W1(53), W2(57)); - R2(c, d, a, b, g, h, e, f, K[54], W1(54), W2(58)); - R2(b, c, d, a, f, g, h, e, K[55], W1(55), W2(59)); - R2(a, b, c, d, e, f, g, h, K[56], W1(56), W2(60)); - R2(d, a, b, c, h, e, f, g, K[57], W1(57), W2(61)); - R2(c, d, a, b, g, h, e, f, K[58], W1(58), W2(62)); - R2(b, c, d, a, f, g, h, e, K[59], W1(59), W2(63)); - R2(a, b, c, d, e, f, g, h, K[60], W1(60), W2(64)); - R2(d, a, b, c, h, e, f, g, K[61], W1(61), W2(65)); - R2(c, d, a, b, g, h, e, f, K[62], W1(62), W2(66)); - R2(b, c, d, a, f, g, h, e, K[63], W1(63), W2(67)); - - sctx->state[0] ^= a; - sctx->state[1] ^= b; - sctx->state[2] ^= c; - sctx->state[3] ^= d; - sctx->state[4] ^= e; - sctx->state[5] ^= f; - sctx->state[6] ^= g; - sctx->state[7] ^= h; -} -#undef R -#undef R1 -#undef R2 -#undef I -#undef W1 -#undef W2 - -static inline void sm3_block(struct sm3_state *sctx, - u8 const *data, int blocks, u32 W[16]) -{ - while (blocks--) { - sm3_transform(sctx, data, W); - data += SM3_BLOCK_SIZE; - } -} - -void sm3_update(struct sm3_state *sctx, const u8 *data, unsigned int len) -{ - unsigned int partial = sctx->count % SM3_BLOCK_SIZE; - u32 W[16]; - - sctx->count += len; - - if ((partial + len) >= SM3_BLOCK_SIZE) { - int blocks; - - if (partial) { - int p = SM3_BLOCK_SIZE - partial; - - memcpy(sctx->buffer + partial, data, p); - data += p; - len -= p; - - sm3_block(sctx, sctx->buffer, 1, W); - } - - blocks = len / SM3_BLOCK_SIZE; - len %= SM3_BLOCK_SIZE; - - if (blocks) { - sm3_block(sctx, data, blocks, W); - data += blocks * SM3_BLOCK_SIZE; - } - - memzero_explicit(W, sizeof(W)); - - partial = 0; - } - if (len) - memcpy(sctx->buffer + partial, data, len); -} -EXPORT_SYMBOL_GPL(sm3_update); - -void sm3_final(struct sm3_state *sctx, u8 *out) -{ - const int bit_offset = SM3_BLOCK_SIZE - sizeof(u64); - __be64 *bits = (__be64 *)(sctx->buffer + bit_offset); - __be32 *digest = (__be32 *)out; - unsigned int partial = sctx->count % SM3_BLOCK_SIZE; - u32 W[16]; - int i; - - sctx->buffer[partial++] = 0x80; - if (partial > bit_offset) { - memset(sctx->buffer + partial, 0, SM3_BLOCK_SIZE - partial); - partial = 0; - - sm3_block(sctx, sctx->buffer, 1, W); - } - - memset(sctx->buffer + partial, 0, bit_offset - partial); - *bits = cpu_to_be64(sctx->count << 3); - sm3_block(sctx, sctx->buffer, 1, W); - - for (i = 0; i < 8; i++) - put_unaligned_be32(sctx->state[i], digest++); - - /* Zeroize sensitive information. */ - memzero_explicit(W, sizeof(W)); - memzero_explicit(sctx, sizeof(*sctx)); -} -EXPORT_SYMBOL_GPL(sm3_final); - -MODULE_DESCRIPTION("Generic SM3 library"); -MODULE_LICENSE("GPL v2"); diff --git a/crypto/sm3_generic.c b/crypto/sm3_generic.c index a215c1c37e73..7529139fcc96 100644 --- a/crypto/sm3_generic.c +++ b/crypto/sm3_generic.c @@ -9,15 +9,10 @@ */ #include <crypto/internal/hash.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/types.h> #include <crypto/sm3.h> #include <crypto/sm3_base.h> -#include <linux/bitops.h> -#include <asm/byteorder.h> -#include <asm/unaligned.h> +#include <linux/kernel.h> +#include <linux/module.h> const u8 sm3_zero_message_hash[SM3_DIGEST_SIZE] = { 0x1A, 0xB2, 0x1D, 0x83, 0x55, 0xCF, 0xA1, 0x7F, @@ -30,38 +25,28 @@ EXPORT_SYMBOL_GPL(sm3_zero_message_hash); static int crypto_sm3_update(struct shash_desc *desc, const u8 *data, unsigned int len) { - sm3_update(shash_desc_ctx(desc), data, len); - return 0; -} - -static int crypto_sm3_final(struct shash_desc *desc, u8 *out) -{ - sm3_final(shash_desc_ctx(desc), out); - return 0; + return sm3_base_do_update_blocks(desc, data, len, sm3_block_generic); } static int crypto_sm3_finup(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *hash) { - struct sm3_state *sctx = shash_desc_ctx(desc); - - if (len) - sm3_update(sctx, data, len); - sm3_final(sctx, hash); - return 0; + sm3_base_do_finup(desc, data, len, sm3_block_generic); + return sm3_base_finish(desc, hash); } static struct shash_alg sm3_alg = { .digestsize = SM3_DIGEST_SIZE, .init = sm3_base_init, .update = crypto_sm3_update, - .final = crypto_sm3_final, .finup = crypto_sm3_finup, - .descsize = sizeof(struct sm3_state), + .descsize = SM3_STATE_SIZE, .base = { .cra_name = "sm3", .cra_driver_name = "sm3-generic", .cra_priority = 100, + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY | + CRYPTO_AHASH_ALG_FINUP_MAX, .cra_blocksize = SM3_BLOCK_SIZE, .cra_module = THIS_MODULE, } @@ -77,7 +62,7 @@ static void __exit sm3_generic_mod_fini(void) crypto_unregister_shash(&sm3_alg); } -subsys_initcall(sm3_generic_mod_init); +module_init(sm3_generic_mod_init); module_exit(sm3_generic_mod_fini); MODULE_LICENSE("GPL v2"); diff --git a/crypto/sm4.c b/crypto/sm4.c index 2c44193bc27e..f4cd7edc11f0 100644 --- a/crypto/sm4.c +++ b/crypto/sm4.c @@ -8,7 +8,7 @@ */ #include <linux/module.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <crypto/sm4.h> static const u32 ____cacheline_aligned fk[4] = { diff --git a/crypto/sm4_generic.c b/crypto/sm4_generic.c index 560eba37dc55..d57444e8428c 100644 --- a/crypto/sm4_generic.c +++ b/crypto/sm4_generic.c @@ -14,7 +14,7 @@ #include <linux/types.h> #include <linux/errno.h> #include <asm/byteorder.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> /** * sm4_setkey - Set the SM4 key. @@ -83,7 +83,7 @@ static void __exit sm4_fini(void) crypto_unregister_alg(&sm4_alg); } -subsys_initcall(sm4_init); +module_init(sm4_init); module_exit(sm4_fini); MODULE_DESCRIPTION("SM4 Cipher Algorithm"); diff --git a/crypto/streebog_generic.c b/crypto/streebog_generic.c index dc625ffc54ad..57bbf70f4c22 100644 --- a/crypto/streebog_generic.c +++ b/crypto/streebog_generic.c @@ -13,9 +13,10 @@ */ #include <crypto/internal/hash.h> -#include <linux/module.h> -#include <linux/crypto.h> #include <crypto/streebog.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> static const struct streebog_uint512 buffer0 = { { 0, 0, 0, 0, 0, 0, 0, 0 @@ -919,17 +920,6 @@ static int streebog_init(struct shash_desc *desc) return 0; } -static void streebog_pad(struct streebog_state *ctx) -{ - if (ctx->fillsize >= STREEBOG_BLOCK_SIZE) - return; - - memset(ctx->buffer + ctx->fillsize, 0, - sizeof(ctx->buffer) - ctx->fillsize); - - ctx->buffer[ctx->fillsize] = 1; -} - static void streebog_add512(const struct streebog_uint512 *x, const struct streebog_uint512 *y, struct streebog_uint512 *r) @@ -984,16 +974,23 @@ static void streebog_stage2(struct streebog_state *ctx, const u8 *data) streebog_add512(&ctx->Sigma, &m, &ctx->Sigma); } -static void streebog_stage3(struct streebog_state *ctx) +static void streebog_stage3(struct streebog_state *ctx, const u8 *src, + unsigned int len) { struct streebog_uint512 buf = { { 0 } }; + union { + u8 buffer[STREEBOG_BLOCK_SIZE]; + struct streebog_uint512 m; + } u = {}; - buf.qword[0] = cpu_to_le64(ctx->fillsize << 3); - streebog_pad(ctx); + buf.qword[0] = cpu_to_le64(len << 3); + memcpy(u.buffer, src, len); + u.buffer[len] = 1; - streebog_g(&ctx->h, &ctx->N, &ctx->m); + streebog_g(&ctx->h, &ctx->N, &u.m); streebog_add512(&ctx->N, &buf, &ctx->N); - streebog_add512(&ctx->Sigma, &ctx->m, &ctx->Sigma); + streebog_add512(&ctx->Sigma, &u.m, &ctx->Sigma); + memzero_explicit(&u, sizeof(u)); streebog_g(&ctx->h, &buffer0, &ctx->N); streebog_g(&ctx->h, &buffer0, &ctx->Sigma); memcpy(&ctx->hash, &ctx->h, sizeof(struct streebog_uint512)); @@ -1003,42 +1000,22 @@ static int streebog_update(struct shash_desc *desc, const u8 *data, unsigned int len) { struct streebog_state *ctx = shash_desc_ctx(desc); - size_t chunksize; - if (ctx->fillsize) { - chunksize = STREEBOG_BLOCK_SIZE - ctx->fillsize; - if (chunksize > len) - chunksize = len; - memcpy(&ctx->buffer[ctx->fillsize], data, chunksize); - ctx->fillsize += chunksize; - len -= chunksize; - data += chunksize; - - if (ctx->fillsize == STREEBOG_BLOCK_SIZE) { - streebog_stage2(ctx, ctx->buffer); - ctx->fillsize = 0; - } - } - - while (len >= STREEBOG_BLOCK_SIZE) { + do { streebog_stage2(ctx, data); data += STREEBOG_BLOCK_SIZE; len -= STREEBOG_BLOCK_SIZE; - } + } while (len >= STREEBOG_BLOCK_SIZE); - if (len) { - memcpy(&ctx->buffer, data, len); - ctx->fillsize = len; - } - return 0; + return len; } -static int streebog_final(struct shash_desc *desc, u8 *digest) +static int streebog_finup(struct shash_desc *desc, const u8 *src, + unsigned int len, u8 *digest) { struct streebog_state *ctx = shash_desc_ctx(desc); - streebog_stage3(ctx); - ctx->fillsize = 0; + streebog_stage3(ctx, src, len); if (crypto_shash_digestsize(desc->tfm) == STREEBOG256_DIGEST_SIZE) memcpy(digest, &ctx->hash.qword[4], STREEBOG256_DIGEST_SIZE); else @@ -1050,11 +1027,12 @@ static struct shash_alg algs[2] = { { .digestsize = STREEBOG256_DIGEST_SIZE, .init = streebog_init, .update = streebog_update, - .final = streebog_final, + .finup = streebog_finup, .descsize = sizeof(struct streebog_state), .base = { .cra_name = "streebog256", .cra_driver_name = "streebog256-generic", + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, .cra_blocksize = STREEBOG_BLOCK_SIZE, .cra_module = THIS_MODULE, }, @@ -1062,11 +1040,12 @@ static struct shash_alg algs[2] = { { .digestsize = STREEBOG512_DIGEST_SIZE, .init = streebog_init, .update = streebog_update, - .final = streebog_final, + .finup = streebog_finup, .descsize = sizeof(struct streebog_state), .base = { .cra_name = "streebog512", .cra_driver_name = "streebog512-generic", + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, .cra_blocksize = STREEBOG_BLOCK_SIZE, .cra_module = THIS_MODULE, } @@ -1082,7 +1061,7 @@ static void __exit streebog_mod_fini(void) crypto_unregister_shashes(algs, ARRAY_SIZE(algs)); } -subsys_initcall(streebog_mod_init); +module_init(streebog_mod_init); module_exit(streebog_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 202ca1a3105d..62fef100e599 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -1,8 +1,8 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * Quick & dirty crypto testing module. + * Quick & dirty crypto benchmarking module. * - * This will only exist until we have a better testing mechanism + * This will only exist until we have a better benchmarking mechanism * (e.g. a char device). * * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> @@ -39,7 +39,7 @@ #include "tcrypt.h" /* - * Need slab memory for testing (size in number of pages). + * Need slab memory for benchmarking (size in number of pages). */ #define TVMEMSIZE 4 @@ -1524,8 +1524,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) ret = min(ret, tcrypt_test("xts(aes)")); ret = min(ret, tcrypt_test("ctr(aes)")); ret = min(ret, tcrypt_test("rfc3686(ctr(aes))")); - ret = min(ret, tcrypt_test("ofb(aes)")); - ret = min(ret, tcrypt_test("cfb(aes)")); ret = min(ret, tcrypt_test("xctr(aes)")); break; @@ -1656,10 +1654,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) ret = min(ret, tcrypt_test("ghash")); break; - case 47: - ret = min(ret, tcrypt_test("crct10dif")); - break; - case 48: ret = min(ret, tcrypt_test("sha3-224")); break; @@ -1696,10 +1690,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) ret = min(ret, tcrypt_test("ccm(sm4)")); break; - case 57: - ret = min(ret, tcrypt_test("polyval")); - break; - case 58: ret = min(ret, tcrypt_test("gcm(aria)")); break; @@ -1740,10 +1730,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) ret = min(ret, tcrypt_test("hmac(rmd160)")); break; - case 109: - ret = min(ret, tcrypt_test("vmac64(aes)")); - break; - case 111: ret = min(ret, tcrypt_test("hmac(sha3-224)")); break; @@ -1768,10 +1754,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) ret = min(ret, tcrypt_test("hmac(streebog512)")); break; - case 150: - ret = min(ret, tcrypt_test("ansi_cprng")); - break; - case 151: ret = min(ret, tcrypt_test("rfc4106(gcm(aes))")); break; @@ -1845,16 +1827,17 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) case 191: ret = min(ret, tcrypt_test("ecb(sm4)")); ret = min(ret, tcrypt_test("cbc(sm4)")); - ret = min(ret, tcrypt_test("cfb(sm4)")); ret = min(ret, tcrypt_test("ctr(sm4)")); ret = min(ret, tcrypt_test("xts(sm4)")); break; case 192: ret = min(ret, tcrypt_test("ecb(aria)")); ret = min(ret, tcrypt_test("cbc(aria)")); - ret = min(ret, tcrypt_test("cfb(aria)")); ret = min(ret, tcrypt_test("ctr(aria)")); break; + case 193: + ret = min(ret, tcrypt_test("ffdhe2048(dh)")); + break; case 200: test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0, speed_template_16_24_32); @@ -1880,10 +1863,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) speed_template_16_24_32); test_cipher_speed("ctr(aes)", DECRYPT, sec, NULL, 0, speed_template_16_24_32); - test_cipher_speed("cfb(aes)", ENCRYPT, sec, NULL, 0, - speed_template_16_24_32); - test_cipher_speed("cfb(aes)", DECRYPT, sec, NULL, 0, - speed_template_16_24_32); break; case 201: @@ -2115,10 +2094,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) speed_template_16); test_cipher_speed("cts(cbc(sm4))", DECRYPT, sec, NULL, 0, speed_template_16); - test_cipher_speed("cfb(sm4)", ENCRYPT, sec, NULL, 0, - speed_template_16); - test_cipher_speed("cfb(sm4)", DECRYPT, sec, NULL, 0, - speed_template_16); test_cipher_speed("ctr(sm4)", ENCRYPT, sec, NULL, 0, speed_template_16); test_cipher_speed("ctr(sm4)", DECRYPT, sec, NULL, 0, @@ -2198,10 +2173,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) speed_template_16_24_32); test_cipher_speed("cbc(aria)", DECRYPT, sec, NULL, 0, speed_template_16_24_32); - test_cipher_speed("cfb(aria)", ENCRYPT, sec, NULL, 0, - speed_template_16_24_32); - test_cipher_speed("cfb(aria)", DECRYPT, sec, NULL, 0, - speed_template_16_24_32); test_cipher_speed("ctr(aria)", ENCRYPT, sec, NULL, 0, speed_template_16_24_32); test_cipher_speed("ctr(aria)", DECRYPT, sec, NULL, 0, @@ -2289,14 +2260,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) test_hash_speed("crc32c", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; fallthrough; - case 320: - test_hash_speed("crct10dif", sec, generic_hash_speed_template); - if (mode > 300 && mode < 400) break; - fallthrough; - case 321: - test_hash_speed("poly1305", sec, poly1305_speed_template); - if (mode > 300 && mode < 400) break; - fallthrough; case 322: test_hash_speed("sha3-224", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; @@ -2436,14 +2399,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) speed_template_16_24_32); test_acipher_speed("ctr(aes)", DECRYPT, sec, NULL, 0, speed_template_16_24_32); - test_acipher_speed("cfb(aes)", ENCRYPT, sec, NULL, 0, - speed_template_16_24_32); - test_acipher_speed("cfb(aes)", DECRYPT, sec, NULL, 0, - speed_template_16_24_32); - test_acipher_speed("ofb(aes)", ENCRYPT, sec, NULL, 0, - speed_template_16_24_32); - test_acipher_speed("ofb(aes)", DECRYPT, sec, NULL, 0, - speed_template_16_24_32); test_acipher_speed("rfc3686(ctr(aes))", ENCRYPT, sec, NULL, 0, speed_template_20_28_36); test_acipher_speed("rfc3686(ctr(aes))", DECRYPT, sec, NULL, 0, @@ -2463,18 +2418,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) test_acipher_speed("cbc(des3_ede)", DECRYPT, sec, des3_speed_template, DES3_SPEED_VECTORS, speed_template_24); - test_acipher_speed("cfb(des3_ede)", ENCRYPT, sec, - des3_speed_template, DES3_SPEED_VECTORS, - speed_template_24); - test_acipher_speed("cfb(des3_ede)", DECRYPT, sec, - des3_speed_template, DES3_SPEED_VECTORS, - speed_template_24); - test_acipher_speed("ofb(des3_ede)", ENCRYPT, sec, - des3_speed_template, DES3_SPEED_VECTORS, - speed_template_24); - test_acipher_speed("ofb(des3_ede)", DECRYPT, sec, - des3_speed_template, DES3_SPEED_VECTORS, - speed_template_24); break; case 502: @@ -2486,14 +2429,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) speed_template_8); test_acipher_speed("cbc(des)", DECRYPT, sec, NULL, 0, speed_template_8); - test_acipher_speed("cfb(des)", ENCRYPT, sec, NULL, 0, - speed_template_8); - test_acipher_speed("cfb(des)", DECRYPT, sec, NULL, 0, - speed_template_8); - test_acipher_speed("ofb(des)", ENCRYPT, sec, NULL, 0, - speed_template_8); - test_acipher_speed("ofb(des)", DECRYPT, sec, NULL, 0, - speed_template_8); break; case 503: @@ -2632,10 +2567,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) speed_template_16); test_acipher_speed("cbc(sm4)", DECRYPT, sec, NULL, 0, speed_template_16); - test_acipher_speed("cfb(sm4)", ENCRYPT, sec, NULL, 0, - speed_template_16); - test_acipher_speed("cfb(sm4)", DECRYPT, sec, NULL, 0, - speed_template_16); test_acipher_speed("ctr(sm4)", ENCRYPT, sec, NULL, 0, speed_template_16); test_acipher_speed("ctr(sm4)", DECRYPT, sec, NULL, 0, @@ -2658,6 +2589,15 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) break; case 600: + if (alg) { + u8 speed_template[2] = {klen, 0}; + test_mb_skcipher_speed(alg, ENCRYPT, sec, NULL, 0, + speed_template, num_mb); + test_mb_skcipher_speed(alg, DECRYPT, sec, NULL, 0, + speed_template, num_mb); + break; + } + test_mb_skcipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0, speed_template_16_24_32, num_mb); test_mb_skcipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0, @@ -2682,14 +2622,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) speed_template_16_24_32, num_mb); test_mb_skcipher_speed("ctr(aes)", DECRYPT, sec, NULL, 0, speed_template_16_24_32, num_mb); - test_mb_skcipher_speed("cfb(aes)", ENCRYPT, sec, NULL, 0, - speed_template_16_24_32, num_mb); - test_mb_skcipher_speed("cfb(aes)", DECRYPT, sec, NULL, 0, - speed_template_16_24_32, num_mb); - test_mb_skcipher_speed("ofb(aes)", ENCRYPT, sec, NULL, 0, - speed_template_16_24_32, num_mb); - test_mb_skcipher_speed("ofb(aes)", DECRYPT, sec, NULL, 0, - speed_template_16_24_32, num_mb); test_mb_skcipher_speed("rfc3686(ctr(aes))", ENCRYPT, sec, NULL, 0, speed_template_20_28_36, num_mb); test_mb_skcipher_speed("rfc3686(ctr(aes))", DECRYPT, sec, NULL, @@ -2709,18 +2641,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) test_mb_skcipher_speed("cbc(des3_ede)", DECRYPT, sec, des3_speed_template, DES3_SPEED_VECTORS, speed_template_24, num_mb); - test_mb_skcipher_speed("cfb(des3_ede)", ENCRYPT, sec, - des3_speed_template, DES3_SPEED_VECTORS, - speed_template_24, num_mb); - test_mb_skcipher_speed("cfb(des3_ede)", DECRYPT, sec, - des3_speed_template, DES3_SPEED_VECTORS, - speed_template_24, num_mb); - test_mb_skcipher_speed("ofb(des3_ede)", ENCRYPT, sec, - des3_speed_template, DES3_SPEED_VECTORS, - speed_template_24, num_mb); - test_mb_skcipher_speed("ofb(des3_ede)", DECRYPT, sec, - des3_speed_template, DES3_SPEED_VECTORS, - speed_template_24, num_mb); break; case 602: @@ -2732,14 +2652,6 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb) speed_template_8, num_mb); test_mb_skcipher_speed("cbc(des)", DECRYPT, sec, NULL, 0, speed_template_8, num_mb); - test_mb_skcipher_speed("cfb(des)", ENCRYPT, sec, NULL, 0, - speed_template_8, num_mb); - test_mb_skcipher_speed("cfb(des)", DECRYPT, sec, NULL, 0, - speed_template_8, num_mb); - test_mb_skcipher_speed("ofb(des)", ENCRYPT, sec, NULL, 0, - speed_template_8, num_mb); - test_mb_skcipher_speed("ofb(des)", DECRYPT, sec, NULL, 0, - speed_template_8, num_mb); break; case 603: @@ -2944,5 +2856,5 @@ module_param(klen, uint, 0); MODULE_PARM_DESC(klen, "Key length (defaults to 0)"); MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Quick & dirty crypto testing module"); +MODULE_DESCRIPTION("Quick & dirty crypto benchmarking module"); MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>"); diff --git a/crypto/tcrypt.h b/crypto/tcrypt.h index 96c843a24607..85c3f77bcfb4 100644 --- a/crypto/tcrypt.h +++ b/crypto/tcrypt.h @@ -1,8 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * Quick & dirty crypto testing module. + * Quick & dirty crypto benchmarking module. * - * This will only exist until we have a better testing mechanism + * This will only exist until we have a better benchmarking mechanism * (e.g. a char device). * * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> @@ -96,22 +96,4 @@ static struct hash_speed generic_hash_speed_template[] = { { .blen = 0, .plen = 0, } }; -static struct hash_speed poly1305_speed_template[] = { - { .blen = 96, .plen = 16, }, - { .blen = 96, .plen = 32, }, - { .blen = 96, .plen = 96, }, - { .blen = 288, .plen = 16, }, - { .blen = 288, .plen = 32, }, - { .blen = 288, .plen = 288, }, - { .blen = 1056, .plen = 32, }, - { .blen = 1056, .plen = 1056, }, - { .blen = 2080, .plen = 32, }, - { .blen = 2080, .plen = 2080, }, - { .blen = 4128, .plen = 4128, }, - { .blen = 8224, .plen = 8224, }, - - /* End marker */ - { .blen = 0, .plen = 0, } -}; - #endif /* _CRYPTO_TCRYPT_H */ diff --git a/crypto/tea.c b/crypto/tea.c index 896f863f3067..cb05140e3470 100644 --- a/crypto/tea.c +++ b/crypto/tea.c @@ -18,7 +18,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/mm.h> -#include <asm/byteorder.h> +#include <linux/unaligned.h> #include <linux/types.h> #define TEA_KEY_SIZE 16 @@ -43,12 +43,11 @@ static int tea_setkey(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct tea_ctx *ctx = crypto_tfm_ctx(tfm); - const __le32 *key = (const __le32 *)in_key; - ctx->KEY[0] = le32_to_cpu(key[0]); - ctx->KEY[1] = le32_to_cpu(key[1]); - ctx->KEY[2] = le32_to_cpu(key[2]); - ctx->KEY[3] = le32_to_cpu(key[3]); + ctx->KEY[0] = get_unaligned_le32(&in_key[0]); + ctx->KEY[1] = get_unaligned_le32(&in_key[4]); + ctx->KEY[2] = get_unaligned_le32(&in_key[8]); + ctx->KEY[3] = get_unaligned_le32(&in_key[12]); return 0; @@ -59,11 +58,9 @@ static void tea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) u32 y, z, n, sum = 0; u32 k0, k1, k2, k3; struct tea_ctx *ctx = crypto_tfm_ctx(tfm); - const __le32 *in = (const __le32 *)src; - __le32 *out = (__le32 *)dst; - y = le32_to_cpu(in[0]); - z = le32_to_cpu(in[1]); + y = get_unaligned_le32(&src[0]); + z = get_unaligned_le32(&src[4]); k0 = ctx->KEY[0]; k1 = ctx->KEY[1]; @@ -78,8 +75,8 @@ static void tea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) z += ((y << 4) + k2) ^ (y + sum) ^ ((y >> 5) + k3); } - out[0] = cpu_to_le32(y); - out[1] = cpu_to_le32(z); + put_unaligned_le32(y, &dst[0]); + put_unaligned_le32(z, &dst[4]); } static void tea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) @@ -87,11 +84,9 @@ static void tea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) u32 y, z, n, sum; u32 k0, k1, k2, k3; struct tea_ctx *ctx = crypto_tfm_ctx(tfm); - const __le32 *in = (const __le32 *)src; - __le32 *out = (__le32 *)dst; - y = le32_to_cpu(in[0]); - z = le32_to_cpu(in[1]); + y = get_unaligned_le32(&src[0]); + z = get_unaligned_le32(&src[4]); k0 = ctx->KEY[0]; k1 = ctx->KEY[1]; @@ -108,20 +103,19 @@ static void tea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) sum -= TEA_DELTA; } - out[0] = cpu_to_le32(y); - out[1] = cpu_to_le32(z); + put_unaligned_le32(y, &dst[0]); + put_unaligned_le32(z, &dst[4]); } static int xtea_setkey(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct xtea_ctx *ctx = crypto_tfm_ctx(tfm); - const __le32 *key = (const __le32 *)in_key; - ctx->KEY[0] = le32_to_cpu(key[0]); - ctx->KEY[1] = le32_to_cpu(key[1]); - ctx->KEY[2] = le32_to_cpu(key[2]); - ctx->KEY[3] = le32_to_cpu(key[3]); + ctx->KEY[0] = get_unaligned_le32(&in_key[0]); + ctx->KEY[1] = get_unaligned_le32(&in_key[4]); + ctx->KEY[2] = get_unaligned_le32(&in_key[8]); + ctx->KEY[3] = get_unaligned_le32(&in_key[12]); return 0; @@ -132,11 +126,9 @@ static void xtea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) u32 y, z, sum = 0; u32 limit = XTEA_DELTA * XTEA_ROUNDS; struct xtea_ctx *ctx = crypto_tfm_ctx(tfm); - const __le32 *in = (const __le32 *)src; - __le32 *out = (__le32 *)dst; - y = le32_to_cpu(in[0]); - z = le32_to_cpu(in[1]); + y = get_unaligned_le32(&src[0]); + z = get_unaligned_le32(&src[4]); while (sum != limit) { y += ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum&3]); @@ -144,19 +136,17 @@ static void xtea_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) z += ((y << 4 ^ y >> 5) + y) ^ (sum + ctx->KEY[sum>>11 &3]); } - out[0] = cpu_to_le32(y); - out[1] = cpu_to_le32(z); + put_unaligned_le32(y, &dst[0]); + put_unaligned_le32(z, &dst[4]); } static void xtea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { u32 y, z, sum; struct tea_ctx *ctx = crypto_tfm_ctx(tfm); - const __le32 *in = (const __le32 *)src; - __le32 *out = (__le32 *)dst; - y = le32_to_cpu(in[0]); - z = le32_to_cpu(in[1]); + y = get_unaligned_le32(&src[0]); + z = get_unaligned_le32(&src[4]); sum = XTEA_DELTA * XTEA_ROUNDS; @@ -166,8 +156,8 @@ static void xtea_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) y -= ((z << 4 ^ z >> 5) + z) ^ (sum + ctx->KEY[sum & 3]); } - out[0] = cpu_to_le32(y); - out[1] = cpu_to_le32(z); + put_unaligned_le32(y, &dst[0]); + put_unaligned_le32(z, &dst[4]); } @@ -176,11 +166,9 @@ static void xeta_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) u32 y, z, sum = 0; u32 limit = XTEA_DELTA * XTEA_ROUNDS; struct xtea_ctx *ctx = crypto_tfm_ctx(tfm); - const __le32 *in = (const __le32 *)src; - __le32 *out = (__le32 *)dst; - y = le32_to_cpu(in[0]); - z = le32_to_cpu(in[1]); + y = get_unaligned_le32(&src[0]); + z = get_unaligned_le32(&src[4]); while (sum != limit) { y += (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum&3]; @@ -188,19 +176,17 @@ static void xeta_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) z += (y << 4 ^ y >> 5) + (y ^ sum) + ctx->KEY[sum>>11 &3]; } - out[0] = cpu_to_le32(y); - out[1] = cpu_to_le32(z); + put_unaligned_le32(y, &dst[0]); + put_unaligned_le32(z, &dst[4]); } static void xeta_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { u32 y, z, sum; struct tea_ctx *ctx = crypto_tfm_ctx(tfm); - const __le32 *in = (const __le32 *)src; - __le32 *out = (__le32 *)dst; - y = le32_to_cpu(in[0]); - z = le32_to_cpu(in[1]); + y = get_unaligned_le32(&src[0]); + z = get_unaligned_le32(&src[4]); sum = XTEA_DELTA * XTEA_ROUNDS; @@ -210,8 +196,8 @@ static void xeta_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) y -= (z << 4 ^ z >> 5) + (z ^ sum) + ctx->KEY[sum & 3]; } - out[0] = cpu_to_le32(y); - out[1] = cpu_to_le32(z); + put_unaligned_le32(y, &dst[0]); + put_unaligned_le32(z, &dst[4]); } static struct crypto_alg tea_algs[3] = { { @@ -220,7 +206,6 @@ static struct crypto_alg tea_algs[3] = { { .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = TEA_BLOCK_SIZE, .cra_ctxsize = sizeof (struct tea_ctx), - .cra_alignmask = 3, .cra_module = THIS_MODULE, .cra_u = { .cipher = { .cia_min_keysize = TEA_KEY_SIZE, @@ -234,7 +219,6 @@ static struct crypto_alg tea_algs[3] = { { .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = XTEA_BLOCK_SIZE, .cra_ctxsize = sizeof (struct xtea_ctx), - .cra_alignmask = 3, .cra_module = THIS_MODULE, .cra_u = { .cipher = { .cia_min_keysize = XTEA_KEY_SIZE, @@ -248,7 +232,6 @@ static struct crypto_alg tea_algs[3] = { { .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = XTEA_BLOCK_SIZE, .cra_ctxsize = sizeof (struct xtea_ctx), - .cra_alignmask = 3, .cra_module = THIS_MODULE, .cra_u = { .cipher = { .cia_min_keysize = XTEA_KEY_SIZE, @@ -272,7 +255,7 @@ MODULE_ALIAS_CRYPTO("tea"); MODULE_ALIAS_CRYPTO("xtea"); MODULE_ALIAS_CRYPTO("xeta"); -subsys_initcall(tea_mod_init); +module_init(tea_mod_init); module_exit(tea_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 216878c8bc3d..a302be53896d 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -23,7 +23,7 @@ #include <linux/fips.h> #include <linux/module.h> #include <linux/once.h> -#include <linux/random.h> +#include <linux/prandom.h> #include <linux/scatterlist.h> #include <linux/slab.h> #include <linux/string.h> @@ -33,31 +33,32 @@ #include <crypto/akcipher.h> #include <crypto/kpp.h> #include <crypto/acompress.h> +#include <crypto/sig.h> #include <crypto/internal/cipher.h> #include <crypto/internal/simd.h> #include "internal.h" -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); static bool notests; module_param(notests, bool, 0644); -MODULE_PARM_DESC(notests, "disable crypto self-tests"); +MODULE_PARM_DESC(notests, "disable all crypto self-tests"); -static bool panic_on_fail; -module_param(panic_on_fail, bool, 0444); - -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS -static bool noextratests; -module_param(noextratests, bool, 0644); -MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests"); +#ifdef CONFIG_CRYPTO_SELFTESTS_FULL +static bool noslowtests; +module_param(noslowtests, bool, 0644); +MODULE_PARM_DESC(noslowtests, "disable slow crypto self-tests"); static unsigned int fuzz_iterations = 100; module_param(fuzz_iterations, uint, 0644); MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations"); +#else +#define noslowtests 1 +#define fuzz_iterations 0 #endif -#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS +#ifndef CONFIG_CRYPTO_SELFTESTS /* a perfect nop */ int alg_test(const char *driver, const char *alg, u32 type, u32 mask) @@ -116,11 +117,6 @@ struct hash_test_suite { unsigned int count; }; -struct cprng_test_suite { - const struct cprng_testvec *vecs; - unsigned int count; -}; - struct drbg_test_suite { const struct drbg_testvec *vecs; unsigned int count; @@ -131,6 +127,11 @@ struct akcipher_test_suite { unsigned int count; }; +struct sig_test_suite { + const struct sig_testvec *vecs; + unsigned int count; +}; + struct kpp_test_suite { const struct kpp_testvec *vecs; unsigned int count; @@ -148,9 +149,9 @@ struct alg_test_desc { struct cipher_test_suite cipher; struct comp_test_suite comp; struct hash_test_suite hash; - struct cprng_test_suite cprng; struct drbg_test_suite drbg; struct akcipher_test_suite akcipher; + struct sig_test_suite sig; struct kpp_test_suite kpp; } suite; }; @@ -293,6 +294,10 @@ struct test_sg_division { * the @key_offset * @finalization_type: what finalization function to use for hashes * @nosimd: execute with SIMD disabled? Requires !CRYPTO_TFM_REQ_MAY_SLEEP. + * This applies to the parts of the operation that aren't controlled + * individually by @nosimd_setkey or @src_divs[].nosimd. + * @nosimd_setkey: set the key (if applicable) with SIMD disabled? Requires + * !CRYPTO_TFM_REQ_MAY_SLEEP. */ struct testvec_config { const char *name; @@ -306,16 +311,16 @@ struct testvec_config { bool key_offset_relative_to_alignmask; enum finalization_type finalization_type; bool nosimd; + bool nosimd_setkey; }; #define TESTVEC_CONFIG_NAMELEN 192 /* * The following are the lists of testvec_configs to test for each algorithm - * type when the basic crypto self-tests are enabled, i.e. when - * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset. They aim to provide good test - * coverage, while keeping the test time much shorter than the full fuzz tests - * so that the basic tests can be enabled in a wider range of circumstances. + * type when the "fast" crypto self-tests are enabled. They aim to provide good + * test coverage, while keeping the test time much shorter than the "full" tests + * so that the "fast" tests can be enabled in a wider range of circumstances. */ /* Configs for skciphers and aeads */ @@ -408,17 +413,15 @@ static const struct testvec_config default_hash_testvec_configs[] = { .finalization_type = FINALIZATION_TYPE_FINAL, .key_offset = 1, }, { - .name = "digest buffer aligned only to alignmask", + .name = "digest misaligned buffer", .src_divs = { { .proportion_of_total = 10000, .offset = 1, - .offset_relative_to_alignmask = true, }, }, .finalization_type = FINALIZATION_TYPE_DIGEST, .key_offset = 1, - .key_offset_relative_to_alignmask = true, }, { .name = "init+update+update+final two even splits", .src_divs = { @@ -535,7 +538,8 @@ static bool valid_testvec_config(const struct testvec_config *cfg) cfg->finalization_type == FINALIZATION_TYPE_DIGEST) return false; - if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) && + if ((cfg->nosimd || cfg->nosimd_setkey || + (flags & SGDIVS_HAVE_NOSIMD)) && (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) return false; @@ -843,7 +847,10 @@ static int prepare_keybuf(const u8 *key, unsigned int ksize, return 0; } -/* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */ +/* + * Like setkey_f(tfm, key, ksize), but sometimes misalign the key. + * In addition, run the setkey function in no-SIMD context if requested. + */ #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask) \ ({ \ const u8 *keybuf, *keyptr; \ @@ -852,14 +859,16 @@ static int prepare_keybuf(const u8 *key, unsigned int ksize, err = prepare_keybuf((key), (ksize), (cfg), (alignmask), \ &keybuf, &keyptr); \ if (err == 0) { \ + if ((cfg)->nosimd_setkey) \ + crypto_disable_simd_for_test(); \ err = setkey_f((tfm), keyptr, (ksize)); \ + if ((cfg)->nosimd_setkey) \ + crypto_reenable_simd_for_test(); \ kfree(keybuf); \ } \ err; \ }) -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS - /* * The fuzz tests use prandom instead of the normal Linux RNG since they don't * need cryptographically secure random numbers. This greatly improves the @@ -905,14 +914,20 @@ static unsigned int generate_random_length(struct rnd_state *rng, switch (prandom_u32_below(rng, 4)) { case 0: - return len % 64; + len %= 64; + break; case 1: - return len % 256; + len %= 256; + break; case 2: - return len % 1024; + len %= 1024; + break; default: - return len; + break; } + if (len && prandom_u32_below(rng, 4) == 0) + len = rounddown_pow_of_two(len); + return len; } /* Flip a random bit in the given nonempty data buffer */ @@ -1008,6 +1023,8 @@ static char *generate_random_sgl_divisions(struct rnd_state *rng, if (div == &divs[max_divs - 1] || prandom_bool(rng)) this_len = remaining; + else if (prandom_u32_below(rng, 4) == 0) + this_len = (remaining + 1) / 2; else this_len = prandom_u32_inclusive(rng, 1, remaining); div->proportion_of_total = this_len; @@ -1120,9 +1137,15 @@ static void generate_random_testvec_config(struct rnd_state *rng, break; } - if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && prandom_bool(rng)) { - cfg->nosimd = true; - p += scnprintf(p, end - p, " nosimd"); + if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP)) { + if (prandom_bool(rng)) { + cfg->nosimd = true; + p += scnprintf(p, end - p, " nosimd"); + } + if (prandom_bool(rng)) { + cfg->nosimd_setkey = true; + p += scnprintf(p, end - p, " nosimd_setkey"); + } } p += scnprintf(p, end - p, " src_divs=["); @@ -1159,14 +1182,18 @@ static void generate_random_testvec_config(struct rnd_state *rng, static void crypto_disable_simd_for_test(void) { +#ifdef CONFIG_CRYPTO_SELFTESTS_FULL migrate_disable(); __this_cpu_write(crypto_simd_disabled_for_test, true); +#endif } static void crypto_reenable_simd_for_test(void) { +#ifdef CONFIG_CRYPTO_SELFTESTS_FULL __this_cpu_write(crypto_simd_disabled_for_test, false); migrate_enable(); +#endif } /* @@ -1210,15 +1237,6 @@ too_long: algname); return -ENAMETOOLONG; } -#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ -static void crypto_disable_simd_for_test(void) -{ -} - -static void crypto_reenable_simd_for_test(void) -{ -} -#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ static int build_hash_sglist(struct test_sglist *tsgl, const struct hash_testvec *vec, @@ -1275,7 +1293,6 @@ static int test_shash_vec_cfg(const struct hash_testvec *vec, u8 *hashstate) { struct crypto_shash *tfm = desc->tfm; - const unsigned int alignmask = crypto_shash_alignmask(tfm); const unsigned int digestsize = crypto_shash_digestsize(tfm); const unsigned int statesize = crypto_shash_statesize(tfm); const char *driver = crypto_shash_driver_name(tfm); @@ -1287,7 +1304,7 @@ static int test_shash_vec_cfg(const struct hash_testvec *vec, /* Set the key, if specified */ if (vec->ksize) { err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize, - cfg, alignmask); + cfg, 0); if (err) { if (err == vec->setkey_error) return 0; @@ -1304,7 +1321,7 @@ static int test_shash_vec_cfg(const struct hash_testvec *vec, } /* Build the scatterlist for the source data */ - err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs); + err = build_hash_sglist(tsgl, vec, cfg, 0, divs); if (err) { pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n", driver, vec_name, cfg->name); @@ -1459,7 +1476,6 @@ static int test_ahash_vec_cfg(const struct hash_testvec *vec, u8 *hashstate) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - const unsigned int alignmask = crypto_ahash_alignmask(tfm); const unsigned int digestsize = crypto_ahash_digestsize(tfm); const unsigned int statesize = crypto_ahash_statesize(tfm); const char *driver = crypto_ahash_driver_name(tfm); @@ -1475,7 +1491,7 @@ static int test_ahash_vec_cfg(const struct hash_testvec *vec, /* Set the key, if specified */ if (vec->ksize) { err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize, - cfg, alignmask); + cfg, 0); if (err) { if (err == vec->setkey_error) return 0; @@ -1492,7 +1508,7 @@ static int test_ahash_vec_cfg(const struct hash_testvec *vec, } /* Build the scatterlist for the source data */ - err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs); + err = build_hash_sglist(tsgl, vec, cfg, 0, divs); if (err) { pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n", driver, vec_name, cfg->name); @@ -1661,8 +1677,7 @@ static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num, return err; } -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS - if (!noextratests) { + if (!noslowtests) { struct rnd_state rng; struct testvec_config cfg; char cfgname[TESTVEC_CONFIG_NAMELEN]; @@ -1679,17 +1694,15 @@ static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num, cond_resched(); } } -#endif return 0; } -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS /* * Generate a hash test vector from the given implementation. * Assumes the buffers in 'vec' were already allocated. */ static void generate_random_hash_testvec(struct rnd_state *rng, - struct shash_desc *desc, + struct ahash_request *req, struct hash_testvec *vec, unsigned int maxkeysize, unsigned int maxdatasize, @@ -1711,16 +1724,17 @@ static void generate_random_hash_testvec(struct rnd_state *rng, vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize); generate_random_bytes(rng, (u8 *)vec->key, vec->ksize); - vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key, - vec->ksize); + vec->setkey_error = crypto_ahash_setkey( + crypto_ahash_reqtfm(req), vec->key, vec->ksize); /* If the key couldn't be set, no need to continue to digest. */ if (vec->setkey_error) goto done; } /* Digest */ - vec->digest_error = crypto_shash_digest(desc, vec->plaintext, - vec->psize, (u8 *)vec->digest); + vec->digest_error = crypto_hash_digest( + crypto_ahash_reqtfm(req), vec->plaintext, + vec->psize, (u8 *)vec->digest); done: snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"", vec->psize, vec->ksize); @@ -1745,8 +1759,8 @@ static int test_hash_vs_generic_impl(const char *generic_driver, const char *driver = crypto_ahash_driver_name(tfm); struct rnd_state rng; char _generic_driver[CRYPTO_MAX_ALG_NAME]; - struct crypto_shash *generic_tfm = NULL; - struct shash_desc *generic_desc = NULL; + struct ahash_request *generic_req = NULL; + struct crypto_ahash *generic_tfm = NULL; unsigned int i; struct hash_testvec vec = { 0 }; char vec_name[64]; @@ -1754,7 +1768,7 @@ static int test_hash_vs_generic_impl(const char *generic_driver, char cfgname[TESTVEC_CONFIG_NAMELEN]; int err; - if (noextratests) + if (noslowtests) return 0; init_rnd_state(&rng); @@ -1769,7 +1783,7 @@ static int test_hash_vs_generic_impl(const char *generic_driver, if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */ return 0; - generic_tfm = crypto_alloc_shash(generic_driver, 0, 0); + generic_tfm = crypto_alloc_ahash(generic_driver, 0, 0); if (IS_ERR(generic_tfm)) { err = PTR_ERR(generic_tfm); if (err == -ENOENT) { @@ -1788,27 +1802,25 @@ static int test_hash_vs_generic_impl(const char *generic_driver, goto out; } - generic_desc = kzalloc(sizeof(*desc) + - crypto_shash_descsize(generic_tfm), GFP_KERNEL); - if (!generic_desc) { + generic_req = ahash_request_alloc(generic_tfm, GFP_KERNEL); + if (!generic_req) { err = -ENOMEM; goto out; } - generic_desc->tfm = generic_tfm; /* Check the algorithm properties for consistency. */ - if (digestsize != crypto_shash_digestsize(generic_tfm)) { + if (digestsize != crypto_ahash_digestsize(generic_tfm)) { pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n", driver, digestsize, - crypto_shash_digestsize(generic_tfm)); + crypto_ahash_digestsize(generic_tfm)); err = -EINVAL; goto out; } - if (blocksize != crypto_shash_blocksize(generic_tfm)) { + if (blocksize != crypto_ahash_blocksize(generic_tfm)) { pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n", - driver, blocksize, crypto_shash_blocksize(generic_tfm)); + driver, blocksize, crypto_ahash_blocksize(generic_tfm)); err = -EINVAL; goto out; } @@ -1827,7 +1839,7 @@ static int test_hash_vs_generic_impl(const char *generic_driver, } for (i = 0; i < fuzz_iterations * 8; i++) { - generate_random_hash_testvec(&rng, generic_desc, &vec, + generate_random_hash_testvec(&rng, generic_req, &vec, maxkeysize, maxdatasize, vec_name, sizeof(vec_name)); generate_random_testvec_config(&rng, cfg, cfgname, @@ -1845,21 +1857,10 @@ out: kfree(vec.key); kfree(vec.plaintext); kfree(vec.digest); - crypto_free_shash(generic_tfm); - kfree_sensitive(generic_desc); + ahash_request_free(generic_req); + crypto_free_ahash(generic_tfm); return err; } -#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ -static int test_hash_vs_generic_impl(const char *generic_driver, - unsigned int maxkeysize, - struct ahash_request *req, - struct shash_desc *desc, - struct test_sglist *tsgl, - u8 *hashstate) -{ - return 0; -} -#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ static int alloc_shash(const char *driver, u32 type, u32 mask, struct crypto_shash **tfm_ret, @@ -1870,7 +1871,7 @@ static int alloc_shash(const char *driver, u32 type, u32 mask, tfm = crypto_alloc_shash(driver, type, mask); if (IS_ERR(tfm)) { - if (PTR_ERR(tfm) == -ENOENT) { + if (PTR_ERR(tfm) == -ENOENT || PTR_ERR(tfm) == -EEXIST) { /* * This algorithm is only available through the ahash * API, not the shash API, so skip the shash tests. @@ -1916,6 +1917,8 @@ static int __alg_test_hash(const struct hash_testvec *vecs, atfm = crypto_alloc_ahash(driver, type, mask); if (IS_ERR(atfm)) { + if (PTR_ERR(atfm) == -ENOENT) + return 0; pr_err("alg: hash: failed to allocate transform for %s: %ld\n", driver, PTR_ERR(atfm)); return PTR_ERR(atfm); @@ -2231,8 +2234,7 @@ static int test_aead_vec(int enc, const struct aead_testvec *vec, return err; } -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS - if (!noextratests) { + if (!noslowtests) { struct rnd_state rng; struct testvec_config cfg; char cfgname[TESTVEC_CONFIG_NAMELEN]; @@ -2249,13 +2251,10 @@ static int test_aead_vec(int enc, const struct aead_testvec *vec, cond_resched(); } } -#endif return 0; } -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS - -struct aead_extra_tests_ctx { +struct aead_slow_tests_ctx { struct rnd_state rng; struct aead_request *req; struct crypto_aead *tfm; @@ -2430,8 +2429,7 @@ static void generate_random_aead_testvec(struct rnd_state *rng, vec->alen, vec->plen, authsize, vec->klen, vec->novrfy); } -static void try_to_generate_inauthentic_testvec( - struct aead_extra_tests_ctx *ctx) +static void try_to_generate_inauthentic_testvec(struct aead_slow_tests_ctx *ctx) { int i; @@ -2450,7 +2448,7 @@ static void try_to_generate_inauthentic_testvec( * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the * result of an encryption with the key) and verify that decryption fails. */ -static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx) +static int test_aead_inauthentic_inputs(struct aead_slow_tests_ctx *ctx) { unsigned int i; int err; @@ -2485,7 +2483,7 @@ static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx) * Test the AEAD algorithm against the corresponding generic implementation, if * one is available. */ -static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx) +static int test_aead_vs_generic_impl(struct aead_slow_tests_ctx *ctx) { struct crypto_aead *tfm = ctx->tfm; const char *algname = crypto_aead_alg(tfm)->base.cra_name; @@ -2589,15 +2587,15 @@ out: return err; } -static int test_aead_extra(const struct alg_test_desc *test_desc, - struct aead_request *req, - struct cipher_test_sglists *tsgls) +static int test_aead_slow(const struct alg_test_desc *test_desc, + struct aead_request *req, + struct cipher_test_sglists *tsgls) { - struct aead_extra_tests_ctx *ctx; + struct aead_slow_tests_ctx *ctx; unsigned int i; int err; - if (noextratests) + if (noslowtests) return 0; ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); @@ -2639,14 +2637,6 @@ out: kfree(ctx); return err; } -#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ -static int test_aead_extra(const struct alg_test_desc *test_desc, - struct aead_request *req, - struct cipher_test_sglists *tsgls) -{ - return 0; -} -#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ static int test_aead(int enc, const struct aead_test_suite *suite, struct aead_request *req, @@ -2680,6 +2670,8 @@ static int alg_test_aead(const struct alg_test_desc *desc, const char *driver, tfm = crypto_alloc_aead(driver, type, mask); if (IS_ERR(tfm)) { + if (PTR_ERR(tfm) == -ENOENT) + return 0; pr_err("alg: aead: failed to allocate transform for %s: %ld\n", driver, PTR_ERR(tfm)); return PTR_ERR(tfm); @@ -2710,7 +2702,7 @@ static int alg_test_aead(const struct alg_test_desc *desc, const char *driver, if (err) goto out; - err = test_aead_extra(desc, req, tsgls); + err = test_aead_slow(desc, req, tsgls); out: free_cipher_test_sglists(tsgls); aead_request_free(req); @@ -2851,18 +2843,11 @@ static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec, if (ivsize) { if (WARN_ON(ivsize > MAX_IVLEN)) return -EINVAL; - if (vec->generates_iv && !enc) - memcpy(iv, vec->iv_out, ivsize); - else if (vec->iv) + if (vec->iv) memcpy(iv, vec->iv, ivsize); else memset(iv, 0, ivsize); } else { - if (vec->generates_iv) { - pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n", - driver, vec_name); - return -EINVAL; - } iv = NULL; } @@ -2991,8 +2976,7 @@ static int test_skcipher_vec(int enc, const struct cipher_testvec *vec, return err; } -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS - if (!noextratests) { + if (!noslowtests) { struct rnd_state rng; struct testvec_config cfg; char cfgname[TESTVEC_CONFIG_NAMELEN]; @@ -3009,11 +2993,9 @@ static int test_skcipher_vec(int enc, const struct cipher_testvec *vec, cond_resched(); } } -#endif return 0; } -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS /* * Generate a symmetric cipher test vector from the given implementation. * Assumes the buffers in 'vec' were already allocated. @@ -3096,11 +3078,7 @@ static int test_skcipher_vs_generic_impl(const char *generic_driver, char cfgname[TESTVEC_CONFIG_NAMELEN]; int err; - if (noextratests) - return 0; - - /* Keywrap isn't supported here yet as it handles its IV differently. */ - if (strncmp(algname, "kw(", 3) == 0) + if (noslowtests) return 0; init_rnd_state(&rng); @@ -3216,14 +3194,6 @@ out: skcipher_request_free(generic_req); return err; } -#else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ -static int test_skcipher_vs_generic_impl(const char *generic_driver, - struct skcipher_request *req, - struct cipher_test_sglists *tsgls) -{ - return 0; -} -#endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */ static int test_skcipher(int enc, const struct cipher_test_suite *suite, struct skcipher_request *req, @@ -3257,6 +3227,8 @@ static int alg_test_skcipher(const struct alg_test_desc *desc, tfm = crypto_alloc_skcipher(driver, type, mask); if (IS_ERR(tfm)) { + if (PTR_ERR(tfm) == -ENOENT) + return 0; pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n", driver, PTR_ERR(tfm)); return PTR_ERR(tfm); @@ -3295,112 +3267,6 @@ out: return err; } -static int test_comp(struct crypto_comp *tfm, - const struct comp_testvec *ctemplate, - const struct comp_testvec *dtemplate, - int ctcount, int dtcount) -{ - const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm)); - char *output, *decomp_output; - unsigned int i; - int ret; - - output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); - if (!output) - return -ENOMEM; - - decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL); - if (!decomp_output) { - kfree(output); - return -ENOMEM; - } - - for (i = 0; i < ctcount; i++) { - int ilen; - unsigned int dlen = COMP_BUF_SIZE; - - memset(output, 0, COMP_BUF_SIZE); - memset(decomp_output, 0, COMP_BUF_SIZE); - - ilen = ctemplate[i].inlen; - ret = crypto_comp_compress(tfm, ctemplate[i].input, - ilen, output, &dlen); - if (ret) { - printk(KERN_ERR "alg: comp: compression failed " - "on test %d for %s: ret=%d\n", i + 1, algo, - -ret); - goto out; - } - - ilen = dlen; - dlen = COMP_BUF_SIZE; - ret = crypto_comp_decompress(tfm, output, - ilen, decomp_output, &dlen); - if (ret) { - pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n", - i + 1, algo, -ret); - goto out; - } - - if (dlen != ctemplate[i].inlen) { - printk(KERN_ERR "alg: comp: Compression test %d " - "failed for %s: output len = %d\n", i + 1, algo, - dlen); - ret = -EINVAL; - goto out; - } - - if (memcmp(decomp_output, ctemplate[i].input, - ctemplate[i].inlen)) { - pr_err("alg: comp: compression failed: output differs: on test %d for %s\n", - i + 1, algo); - hexdump(decomp_output, dlen); - ret = -EINVAL; - goto out; - } - } - - for (i = 0; i < dtcount; i++) { - int ilen; - unsigned int dlen = COMP_BUF_SIZE; - - memset(decomp_output, 0, COMP_BUF_SIZE); - - ilen = dtemplate[i].inlen; - ret = crypto_comp_decompress(tfm, dtemplate[i].input, - ilen, decomp_output, &dlen); - if (ret) { - printk(KERN_ERR "alg: comp: decompression failed " - "on test %d for %s: ret=%d\n", i + 1, algo, - -ret); - goto out; - } - - if (dlen != dtemplate[i].outlen) { - printk(KERN_ERR "alg: comp: Decompression test %d " - "failed for %s: output len = %d\n", i + 1, algo, - dlen); - ret = -EINVAL; - goto out; - } - - if (memcmp(decomp_output, dtemplate[i].output, dlen)) { - printk(KERN_ERR "alg: comp: Decompression test %d " - "failed for %s\n", i + 1, algo); - hexdump(decomp_output, dlen); - ret = -EINVAL; - goto out; - } - } - - ret = 0; - -out: - kfree(decomp_output); - kfree(output); - return ret; -} - static int test_acomp(struct crypto_acomp *tfm, const struct comp_testvec *ctemplate, const struct comp_testvec *dtemplate, @@ -3497,21 +3363,6 @@ static int test_acomp(struct crypto_acomp *tfm, goto out; } -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS - crypto_init_wait(&wait); - sg_init_one(&src, input_vec, ilen); - acomp_request_set_params(req, &src, NULL, ilen, 0); - - ret = crypto_wait_req(crypto_acomp_compress(req), &wait); - if (ret) { - pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n", - i + 1, algo, -ret); - kfree(input_vec); - acomp_request_free(req); - goto out; - } -#endif - kfree(input_vec); acomp_request_free(req); } @@ -3573,20 +3424,6 @@ static int test_acomp(struct crypto_acomp *tfm, goto out; } -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS - crypto_init_wait(&wait); - acomp_request_set_params(req, &src, NULL, ilen, 0); - - ret = crypto_wait_req(crypto_acomp_decompress(req), &wait); - if (ret) { - pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n", - i + 1, algo, -ret); - kfree(input_vec); - acomp_request_free(req); - goto out; - } -#endif - kfree(input_vec); acomp_request_free(req); } @@ -3599,68 +3436,6 @@ out: return ret; } -static int test_cprng(struct crypto_rng *tfm, - const struct cprng_testvec *template, - unsigned int tcount) -{ - const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm)); - int err = 0, i, j, seedsize; - u8 *seed; - char result[32]; - - seedsize = crypto_rng_seedsize(tfm); - - seed = kmalloc(seedsize, GFP_KERNEL); - if (!seed) { - printk(KERN_ERR "alg: cprng: Failed to allocate seed space " - "for %s\n", algo); - return -ENOMEM; - } - - for (i = 0; i < tcount; i++) { - memset(result, 0, 32); - - memcpy(seed, template[i].v, template[i].vlen); - memcpy(seed + template[i].vlen, template[i].key, - template[i].klen); - memcpy(seed + template[i].vlen + template[i].klen, - template[i].dt, template[i].dtlen); - - err = crypto_rng_reset(tfm, seed, seedsize); - if (err) { - printk(KERN_ERR "alg: cprng: Failed to reset rng " - "for %s\n", algo); - goto out; - } - - for (j = 0; j < template[i].loops; j++) { - err = crypto_rng_get_bytes(tfm, result, - template[i].rlen); - if (err < 0) { - printk(KERN_ERR "alg: cprng: Failed to obtain " - "the correct amount of random data for " - "%s (requested %d)\n", algo, - template[i].rlen); - goto out; - } - } - - err = memcmp(result, template[i].result, - template[i].rlen); - if (err) { - printk(KERN_ERR "alg: cprng: Test %d failed for %s\n", - i, algo); - hexdump(result, template[i].rlen); - err = -EINVAL; - goto out; - } - } - -out: - kfree(seed); - return err; -} - static int alg_test_cipher(const struct alg_test_desc *desc, const char *driver, u32 type, u32 mask) { @@ -3670,6 +3445,8 @@ static int alg_test_cipher(const struct alg_test_desc *desc, tfm = crypto_alloc_cipher(driver, type, mask); if (IS_ERR(tfm)) { + if (PTR_ERR(tfm) == -ENOENT) + return 0; printk(KERN_ERR "alg: cipher: Failed to load transform for " "%s: %ld\n", driver, PTR_ERR(tfm)); return PTR_ERR(tfm); @@ -3686,115 +3463,25 @@ static int alg_test_cipher(const struct alg_test_desc *desc, static int alg_test_comp(const struct alg_test_desc *desc, const char *driver, u32 type, u32 mask) { - struct crypto_comp *comp; struct crypto_acomp *acomp; int err; - u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK; - - if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) { - acomp = crypto_alloc_acomp(driver, type, mask); - if (IS_ERR(acomp)) { - pr_err("alg: acomp: Failed to load transform for %s: %ld\n", - driver, PTR_ERR(acomp)); - return PTR_ERR(acomp); - } - err = test_acomp(acomp, desc->suite.comp.comp.vecs, - desc->suite.comp.decomp.vecs, - desc->suite.comp.comp.count, - desc->suite.comp.decomp.count); - crypto_free_acomp(acomp); - } else { - comp = crypto_alloc_comp(driver, type, mask); - if (IS_ERR(comp)) { - pr_err("alg: comp: Failed to load transform for %s: %ld\n", - driver, PTR_ERR(comp)); - return PTR_ERR(comp); - } - - err = test_comp(comp, desc->suite.comp.comp.vecs, - desc->suite.comp.decomp.vecs, - desc->suite.comp.comp.count, - desc->suite.comp.decomp.count); - - crypto_free_comp(comp); - } - return err; -} - -static int alg_test_crc32c(const struct alg_test_desc *desc, - const char *driver, u32 type, u32 mask) -{ - struct crypto_shash *tfm; - __le32 val; - int err; - - err = alg_test_hash(desc, driver, type, mask); - if (err) - return err; - tfm = crypto_alloc_shash(driver, type, mask); - if (IS_ERR(tfm)) { - if (PTR_ERR(tfm) == -ENOENT) { - /* - * This crc32c implementation is only available through - * ahash API, not the shash API, so the remaining part - * of the test is not applicable to it. - */ + acomp = crypto_alloc_acomp(driver, type, mask); + if (IS_ERR(acomp)) { + if (PTR_ERR(acomp) == -ENOENT) return 0; - } - printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: " - "%ld\n", driver, PTR_ERR(tfm)); - return PTR_ERR(tfm); - } - driver = crypto_shash_driver_name(tfm); - - do { - SHASH_DESC_ON_STACK(shash, tfm); - u32 *ctx = (u32 *)shash_desc_ctx(shash); - - shash->tfm = tfm; - - *ctx = 420553207; - err = crypto_shash_final(shash, (u8 *)&val); - if (err) { - printk(KERN_ERR "alg: crc32c: Operation failed for " - "%s: %d\n", driver, err); - break; - } - - if (val != cpu_to_le32(~420553207)) { - pr_err("alg: crc32c: Test failed for %s: %u\n", - driver, le32_to_cpu(val)); - err = -EINVAL; - } - } while (0); - - crypto_free_shash(tfm); - + pr_err("alg: acomp: Failed to load transform for %s: %ld\n", + driver, PTR_ERR(acomp)); + return PTR_ERR(acomp); + } + err = test_acomp(acomp, desc->suite.comp.comp.vecs, + desc->suite.comp.decomp.vecs, + desc->suite.comp.comp.count, + desc->suite.comp.decomp.count); + crypto_free_acomp(acomp); return err; } -static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver, - u32 type, u32 mask) -{ - struct crypto_rng *rng; - int err; - - rng = crypto_alloc_rng(driver, type, mask); - if (IS_ERR(rng)) { - printk(KERN_ERR "alg: cprng: Failed to load transform for %s: " - "%ld\n", driver, PTR_ERR(rng)); - return PTR_ERR(rng); - } - - err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count); - - crypto_free_rng(rng); - - return err; -} - - static int drbg_cavs_test(const struct drbg_testvec *test, int pr, const char *driver, u32 type, u32 mask) { @@ -3809,10 +3496,12 @@ static int drbg_cavs_test(const struct drbg_testvec *test, int pr, drng = crypto_alloc_rng(driver, type, mask); if (IS_ERR(drng)) { + kfree_sensitive(buf); + if (PTR_ERR(drng) == -ENOENT) + return 0; printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for " "%s\n", driver); - kfree_sensitive(buf); - return -ENOMEM; + return PTR_ERR(drng); } test_data.testentropy = &testentropy; @@ -4054,6 +3743,8 @@ static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver, tfm = crypto_alloc_kpp(driver, type, mask); if (IS_ERR(tfm)) { + if (PTR_ERR(tfm) == -ENOENT) + return 0; pr_err("alg: kpp: Failed to load tfm for %s: %ld\n", driver, PTR_ERR(tfm)); return PTR_ERR(tfm); @@ -4082,11 +3773,9 @@ static int test_akcipher_one(struct crypto_akcipher *tfm, struct crypto_wait wait; unsigned int out_len_max, out_len = 0; int err = -ENOMEM; - struct scatterlist src, dst, src_tab[3]; - const char *m, *c; - unsigned int m_size, c_size; - const char *op; - u8 *key, *ptr; + struct scatterlist src, dst, src_tab[2]; + const char *c; + unsigned int c_size; if (testmgr_alloc_buf(xbuf)) return err; @@ -4097,92 +3786,53 @@ static int test_akcipher_one(struct crypto_akcipher *tfm, crypto_init_wait(&wait); - key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len, - GFP_KERNEL); - if (!key) - goto free_req; - memcpy(key, vecs->key, vecs->key_len); - ptr = key + vecs->key_len; - ptr = test_pack_u32(ptr, vecs->algo); - ptr = test_pack_u32(ptr, vecs->param_len); - memcpy(ptr, vecs->params, vecs->param_len); - if (vecs->public_key_vec) - err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len); + err = crypto_akcipher_set_pub_key(tfm, vecs->key, + vecs->key_len); else - err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len); + err = crypto_akcipher_set_priv_key(tfm, vecs->key, + vecs->key_len); if (err) - goto free_key; + goto free_req; - /* - * First run test which do not require a private key, such as - * encrypt or verify. - */ + /* First run encrypt test which does not require a private key */ err = -ENOMEM; out_len_max = crypto_akcipher_maxsize(tfm); outbuf_enc = kzalloc(out_len_max, GFP_KERNEL); if (!outbuf_enc) - goto free_key; - - if (!vecs->siggen_sigver_test) { - m = vecs->m; - m_size = vecs->m_size; - c = vecs->c; - c_size = vecs->c_size; - op = "encrypt"; - } else { - /* Swap args so we could keep plaintext (digest) - * in vecs->m, and cooked signature in vecs->c. - */ - m = vecs->c; /* signature */ - m_size = vecs->c_size; - c = vecs->m; /* digest */ - c_size = vecs->m_size; - op = "verify"; - } + goto free_req; + + c = vecs->c; + c_size = vecs->c_size; err = -E2BIG; - if (WARN_ON(m_size > PAGE_SIZE)) + if (WARN_ON(vecs->m_size > PAGE_SIZE)) goto free_all; - memcpy(xbuf[0], m, m_size); + memcpy(xbuf[0], vecs->m, vecs->m_size); - sg_init_table(src_tab, 3); + sg_init_table(src_tab, 2); sg_set_buf(&src_tab[0], xbuf[0], 8); - sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8); - if (vecs->siggen_sigver_test) { - if (WARN_ON(c_size > PAGE_SIZE)) - goto free_all; - memcpy(xbuf[1], c, c_size); - sg_set_buf(&src_tab[2], xbuf[1], c_size); - akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size); - } else { - sg_init_one(&dst, outbuf_enc, out_len_max); - akcipher_request_set_crypt(req, src_tab, &dst, m_size, - out_len_max); - } + sg_set_buf(&src_tab[1], xbuf[0] + 8, vecs->m_size - 8); + sg_init_one(&dst, outbuf_enc, out_len_max); + akcipher_request_set_crypt(req, src_tab, &dst, vecs->m_size, + out_len_max); akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, crypto_req_done, &wait); - err = crypto_wait_req(vecs->siggen_sigver_test ? - /* Run asymmetric signature verification */ - crypto_akcipher_verify(req) : - /* Run asymmetric encrypt */ - crypto_akcipher_encrypt(req), &wait); + err = crypto_wait_req(crypto_akcipher_encrypt(req), &wait); if (err) { - pr_err("alg: akcipher: %s test failed. err %d\n", op, err); + pr_err("alg: akcipher: encrypt test failed. err %d\n", err); goto free_all; } - if (!vecs->siggen_sigver_test && c) { + if (c) { if (req->dst_len != c_size) { - pr_err("alg: akcipher: %s test failed. Invalid output len\n", - op); + pr_err("alg: akcipher: encrypt test failed. Invalid output len\n"); err = -EINVAL; goto free_all; } /* verify that encrypted message is equal to expected */ if (memcmp(c, outbuf_enc, c_size) != 0) { - pr_err("alg: akcipher: %s test failed. Invalid output\n", - op); + pr_err("alg: akcipher: encrypt test failed. Invalid output\n"); hexdump(outbuf_enc, c_size); err = -EINVAL; goto free_all; @@ -4190,7 +3840,7 @@ static int test_akcipher_one(struct crypto_akcipher *tfm, } /* - * Don't invoke (decrypt or sign) test which require a private key + * Don't invoke decrypt test which requires a private key * for vectors with only a public key. */ if (vecs->public_key_vec) { @@ -4203,13 +3853,12 @@ static int test_akcipher_one(struct crypto_akcipher *tfm, goto free_all; } - if (!vecs->siggen_sigver_test && !c) { + if (!c) { c = outbuf_enc; c_size = req->dst_len; } err = -E2BIG; - op = vecs->siggen_sigver_test ? "sign" : "decrypt"; if (WARN_ON(c_size > PAGE_SIZE)) goto free_all; memcpy(xbuf[0], c, c_size); @@ -4219,34 +3868,29 @@ static int test_akcipher_one(struct crypto_akcipher *tfm, crypto_init_wait(&wait); akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max); - err = crypto_wait_req(vecs->siggen_sigver_test ? - /* Run asymmetric signature generation */ - crypto_akcipher_sign(req) : - /* Run asymmetric decrypt */ - crypto_akcipher_decrypt(req), &wait); + err = crypto_wait_req(crypto_akcipher_decrypt(req), &wait); if (err) { - pr_err("alg: akcipher: %s test failed. err %d\n", op, err); + pr_err("alg: akcipher: decrypt test failed. err %d\n", err); goto free_all; } out_len = req->dst_len; - if (out_len < m_size) { - pr_err("alg: akcipher: %s test failed. Invalid output len %u\n", - op, out_len); + if (out_len < vecs->m_size) { + pr_err("alg: akcipher: decrypt test failed. Invalid output len %u\n", + out_len); err = -EINVAL; goto free_all; } /* verify that decrypted message is equal to the original msg */ - if (memchr_inv(outbuf_dec, 0, out_len - m_size) || - memcmp(m, outbuf_dec + out_len - m_size, m_size)) { - pr_err("alg: akcipher: %s test failed. Invalid output\n", op); + if (memchr_inv(outbuf_dec, 0, out_len - vecs->m_size) || + memcmp(vecs->m, outbuf_dec + out_len - vecs->m_size, + vecs->m_size)) { + pr_err("alg: akcipher: decrypt test failed. Invalid output\n"); hexdump(outbuf_dec, out_len); err = -EINVAL; } free_all: kfree(outbuf_dec); kfree(outbuf_enc); -free_key: - kfree(key); free_req: akcipher_request_free(req); free_xbuf: @@ -4282,6 +3926,8 @@ static int alg_test_akcipher(const struct alg_test_desc *desc, tfm = crypto_alloc_akcipher(driver, type, mask); if (IS_ERR(tfm)) { + if (PTR_ERR(tfm) == -ENOENT) + return 0; pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n", driver, PTR_ERR(tfm)); return PTR_ERR(tfm); @@ -4294,6 +3940,114 @@ static int alg_test_akcipher(const struct alg_test_desc *desc, return err; } +static int test_sig_one(struct crypto_sig *tfm, const struct sig_testvec *vecs) +{ + u8 *ptr, *key __free(kfree); + int err, sig_size; + + key = kmalloc(vecs->key_len + 2 * sizeof(u32) + vecs->param_len, + GFP_KERNEL); + if (!key) + return -ENOMEM; + + /* ecrdsa expects additional parameters appended to the key */ + memcpy(key, vecs->key, vecs->key_len); + ptr = key + vecs->key_len; + ptr = test_pack_u32(ptr, vecs->algo); + ptr = test_pack_u32(ptr, vecs->param_len); + memcpy(ptr, vecs->params, vecs->param_len); + + if (vecs->public_key_vec) + err = crypto_sig_set_pubkey(tfm, key, vecs->key_len); + else + err = crypto_sig_set_privkey(tfm, key, vecs->key_len); + if (err) + return err; + + /* + * Run asymmetric signature verification first + * (which does not require a private key) + */ + err = crypto_sig_verify(tfm, vecs->c, vecs->c_size, + vecs->m, vecs->m_size); + if (err) { + pr_err("alg: sig: verify test failed: err %d\n", err); + return err; + } + + /* + * Don't invoke sign test (which requires a private key) + * for vectors with only a public key. + */ + if (vecs->public_key_vec) + return 0; + + sig_size = crypto_sig_maxsize(tfm); + if (sig_size < vecs->c_size) { + pr_err("alg: sig: invalid maxsize %u\n", sig_size); + return -EINVAL; + } + + u8 *sig __free(kfree) = kzalloc(sig_size, GFP_KERNEL); + if (!sig) + return -ENOMEM; + + /* Run asymmetric signature generation */ + err = crypto_sig_sign(tfm, vecs->m, vecs->m_size, sig, sig_size); + if (err < 0) { + pr_err("alg: sig: sign test failed: err %d\n", err); + return err; + } + + /* Verify that generated signature equals cooked signature */ + if (err != vecs->c_size || + memcmp(sig, vecs->c, vecs->c_size) || + memchr_inv(sig + vecs->c_size, 0, sig_size - vecs->c_size)) { + pr_err("alg: sig: sign test failed: invalid output\n"); + hexdump(sig, sig_size); + return -EINVAL; + } + + return 0; +} + +static int test_sig(struct crypto_sig *tfm, const char *alg, + const struct sig_testvec *vecs, unsigned int tcount) +{ + const char *algo = crypto_tfm_alg_driver_name(crypto_sig_tfm(tfm)); + int ret, i; + + for (i = 0; i < tcount; i++) { + ret = test_sig_one(tfm, vecs++); + if (ret) { + pr_err("alg: sig: test %d failed for %s: err %d\n", + i + 1, algo, ret); + return ret; + } + } + return 0; +} + +static int alg_test_sig(const struct alg_test_desc *desc, const char *driver, + u32 type, u32 mask) +{ + struct crypto_sig *tfm; + int err = 0; + + tfm = crypto_alloc_sig(driver, type, mask); + if (IS_ERR(tfm)) { + pr_err("alg: sig: Failed to load tfm for %s: %ld\n", + driver, PTR_ERR(tfm)); + return PTR_ERR(tfm); + } + if (desc->suite.sig.vecs) + err = test_sig(tfm, desc->alg, desc->suite.sig.vecs, + desc->suite.sig.count); + + crypto_free_sig(tfm); + return err; +} + static int alg_test_null(const struct alg_test_desc *desc, const char *driver, u32 type, u32 mask) { @@ -4307,14 +4061,14 @@ static int alg_test_null(const struct alg_test_desc *desc, static const struct alg_test_desc alg_test_descs[] = { { .alg = "adiantum(xchacha12,aes)", - .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)", + .generic_driver = "adiantum(xchacha12-lib,aes-generic,nhpoly1305-generic)", .test = alg_test_skcipher, .suite = { .cipher = __VECS(adiantum_xchacha12_aes_tv_template) }, }, { .alg = "adiantum(xchacha20,aes)", - .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)", + .generic_driver = "adiantum(xchacha20-lib,aes-generic,nhpoly1305-generic)", .test = alg_test_skcipher, .suite = { .cipher = __VECS(adiantum_xchacha20_aes_tv_template) @@ -4326,19 +4080,15 @@ static const struct alg_test_desc alg_test_descs[] = { .aead = __VECS(aegis128_tv_template) } }, { - .alg = "ansi_cprng", - .test = alg_test_cprng, - .suite = { - .cprng = __VECS(ansi_cprng_aes_tv_template) - } - }, { .alg = "authenc(hmac(md5),ecb(cipher_null))", + .generic_driver = "authenc(hmac-md5-lib,ecb-cipher_null)", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template) } }, { .alg = "authenc(hmac(sha1),cbc(aes))", + .generic_driver = "authenc(hmac-sha1-lib,cbc(aes-generic))", .test = alg_test_aead, .fips_allowed = 1, .suite = { @@ -4346,12 +4096,14 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "authenc(hmac(sha1),cbc(des))", + .generic_driver = "authenc(hmac-sha1-lib,cbc(des-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha1_des_cbc_tv_temp) } }, { .alg = "authenc(hmac(sha1),cbc(des3_ede))", + .generic_driver = "authenc(hmac-sha1-lib,cbc(des3_ede-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp) @@ -4362,6 +4114,7 @@ static const struct alg_test_desc alg_test_descs[] = { .fips_allowed = 1, }, { .alg = "authenc(hmac(sha1),ecb(cipher_null))", + .generic_driver = "authenc(hmac-sha1-lib,ecb-cipher_null)", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp) @@ -4372,18 +4125,21 @@ static const struct alg_test_desc alg_test_descs[] = { .fips_allowed = 1, }, { .alg = "authenc(hmac(sha224),cbc(des))", + .generic_driver = "authenc(hmac-sha224-lib,cbc(des-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha224_des_cbc_tv_temp) } }, { .alg = "authenc(hmac(sha224),cbc(des3_ede))", + .generic_driver = "authenc(hmac-sha224-lib,cbc(des3_ede-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp) } }, { .alg = "authenc(hmac(sha256),cbc(aes))", + .generic_driver = "authenc(hmac-sha256-lib,cbc(aes-generic))", .test = alg_test_aead, .fips_allowed = 1, .suite = { @@ -4391,12 +4147,14 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "authenc(hmac(sha256),cbc(des))", + .generic_driver = "authenc(hmac-sha256-lib,cbc(des-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha256_des_cbc_tv_temp) } }, { .alg = "authenc(hmac(sha256),cbc(des3_ede))", + .generic_driver = "authenc(hmac-sha256-lib,cbc(des3_ede-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp) @@ -4406,17 +4164,26 @@ static const struct alg_test_desc alg_test_descs[] = { .test = alg_test_null, .fips_allowed = 1, }, { + .alg = "authenc(hmac(sha256),cts(cbc(aes)))", + .generic_driver = "authenc(hmac-sha256-lib,cts(cbc(aes-generic)))", + .test = alg_test_aead, + .suite = { + .aead = __VECS(krb5_test_aes128_cts_hmac_sha256_128) + } + }, { .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))", .test = alg_test_null, .fips_allowed = 1, }, { .alg = "authenc(hmac(sha384),cbc(des))", + .generic_driver = "authenc(hmac-sha384-lib,cbc(des-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha384_des_cbc_tv_temp) } }, { .alg = "authenc(hmac(sha384),cbc(des3_ede))", + .generic_driver = "authenc(hmac-sha384-lib,cbc(des3_ede-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp) @@ -4426,11 +4193,19 @@ static const struct alg_test_desc alg_test_descs[] = { .test = alg_test_null, .fips_allowed = 1, }, { + .alg = "authenc(hmac(sha384),cts(cbc(aes)))", + .generic_driver = "authenc(hmac-sha384-lib,cts(cbc(aes-generic)))", + .test = alg_test_aead, + .suite = { + .aead = __VECS(krb5_test_aes256_cts_hmac_sha384_192) + } + }, { .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))", .test = alg_test_null, .fips_allowed = 1, }, { .alg = "authenc(hmac(sha512),cbc(aes))", + .generic_driver = "authenc(hmac-sha512-lib,cbc(aes-generic))", .fips_allowed = 1, .test = alg_test_aead, .suite = { @@ -4438,12 +4213,14 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "authenc(hmac(sha512),cbc(des))", + .generic_driver = "authenc(hmac-sha512-lib,cbc(des-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha512_des_cbc_tv_temp) } }, { .alg = "authenc(hmac(sha512),cbc(des3_ede))", + .generic_driver = "authenc(hmac-sha512-lib,cbc(des3_ede-generic))", .test = alg_test_aead, .suite = { .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp) @@ -4458,6 +4235,7 @@ static const struct alg_test_desc alg_test_descs[] = { .fips_allowed = 1, }, { .alg = "blake2b-160", + .generic_driver = "blake2b-160-lib", .test = alg_test_hash, .fips_allowed = 0, .suite = { @@ -4465,6 +4243,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "blake2b-256", + .generic_driver = "blake2b-256-lib", .test = alg_test_hash, .fips_allowed = 0, .suite = { @@ -4472,6 +4251,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "blake2b-384", + .generic_driver = "blake2b-384-lib", .test = alg_test_hash, .fips_allowed = 0, .suite = { @@ -4479,6 +4259,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "blake2b-512", + .generic_driver = "blake2b-512-lib", .test = alg_test_hash, .fips_allowed = 0, .suite = { @@ -4613,26 +4394,8 @@ static const struct alg_test_desc alg_test_descs[] = { } } }, { - .alg = "cfb(aes)", - .test = alg_test_skcipher, - .fips_allowed = 1, - .suite = { - .cipher = __VECS(aes_cfb_tv_template) - }, - }, { - .alg = "cfb(aria)", - .test = alg_test_skcipher, - .suite = { - .cipher = __VECS(aria_cfb_tv_template) - }, - }, { - .alg = "cfb(sm4)", - .test = alg_test_skcipher, - .suite = { - .cipher = __VECS(sm4_cfb_tv_template) - } - }, { .alg = "chacha20", + .generic_driver = "chacha20-lib", .test = alg_test_skcipher, .suite = { .cipher = __VECS(chacha20_tv_template) @@ -4663,10 +4426,8 @@ static const struct alg_test_desc alg_test_descs[] = { .hash = __VECS(sm4_cmac128_tv_template) } }, { - .alg = "compress_null", - .test = alg_test_null, - }, { .alg = "crc32", + .generic_driver = "crc32-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -4674,24 +4435,11 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "crc32c", - .test = alg_test_crc32c, - .fips_allowed = 1, - .suite = { - .hash = __VECS(crc32c_tv_template) - } - }, { - .alg = "crc64-rocksoft", - .test = alg_test_hash, - .fips_allowed = 1, - .suite = { - .hash = __VECS(crc64_rocksoft_tv_template) - } - }, { - .alg = "crct10dif", + .generic_driver = "crc32c-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { - .hash = __VECS(crct10dif_tv_template) + .hash = __VECS(crc32c_tv_template) } }, { .alg = "ctr(aes)", @@ -4804,13 +4552,17 @@ static const struct alg_test_desc alg_test_descs[] = { .cipher = __VECS(sm4_cts_tv_template) } }, { - .alg = "curve25519", - .test = alg_test_kpp, + .alg = "deflate", + .test = alg_test_comp, + .fips_allowed = 1, .suite = { - .kpp = __VECS(curve25519_tv_template) + .comp = { + .comp = __VECS(deflate_comp_tv_template), + .decomp = __VECS(deflate_decomp_tv_template) + } } }, { - .alg = "deflate", + .alg = "deflate-iaa", .test = alg_test_comp, .fips_allowed = 1, .suite = { @@ -4850,14 +4602,6 @@ static const struct alg_test_desc alg_test_descs[] = { .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template) } }, { - /* - * There is no need to specifically test the DRBG with every - * backend cipher -- covered by drbg_nopr_hmac_sha256 test - */ - .alg = "drbg_nopr_hmac_sha1", - .fips_allowed = 1, - .test = alg_test_null, - }, { .alg = "drbg_nopr_hmac_sha256", .test = alg_test_drbg, .fips_allowed = 1, @@ -4865,9 +4609,13 @@ static const struct alg_test_desc alg_test_descs[] = { .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template) } }, { - /* covered by drbg_nopr_hmac_sha256 test */ + /* + * There is no need to specifically test the DRBG with every + * backend cipher -- covered by drbg_nopr_hmac_sha512 test + */ .alg = "drbg_nopr_hmac_sha384", .test = alg_test_null, + .fips_allowed = 1 }, { .alg = "drbg_nopr_hmac_sha512", .test = alg_test_drbg, @@ -4876,10 +4624,6 @@ static const struct alg_test_desc alg_test_descs[] = { .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template) } }, { - .alg = "drbg_nopr_sha1", - .fips_allowed = 1, - .test = alg_test_null, - }, { .alg = "drbg_nopr_sha256", .test = alg_test_drbg, .fips_allowed = 1, @@ -4890,6 +4634,7 @@ static const struct alg_test_desc alg_test_descs[] = { /* covered by drbg_nopr_sha256 test */ .alg = "drbg_nopr_sha384", .test = alg_test_null, + .fips_allowed = 1 }, { .alg = "drbg_nopr_sha512", .fips_allowed = 1, @@ -4911,10 +4656,6 @@ static const struct alg_test_desc alg_test_descs[] = { .fips_allowed = 1, .test = alg_test_null, }, { - .alg = "drbg_pr_hmac_sha1", - .fips_allowed = 1, - .test = alg_test_null, - }, { .alg = "drbg_pr_hmac_sha256", .test = alg_test_drbg, .fips_allowed = 1, @@ -4925,15 +4666,12 @@ static const struct alg_test_desc alg_test_descs[] = { /* covered by drbg_pr_hmac_sha256 test */ .alg = "drbg_pr_hmac_sha384", .test = alg_test_null, + .fips_allowed = 1 }, { .alg = "drbg_pr_hmac_sha512", .test = alg_test_null, .fips_allowed = 1, }, { - .alg = "drbg_pr_sha1", - .fips_allowed = 1, - .test = alg_test_null, - }, { .alg = "drbg_pr_sha256", .test = alg_test_drbg, .fips_allowed = 1, @@ -4944,6 +4682,7 @@ static const struct alg_test_desc alg_test_descs[] = { /* covered by drbg_pr_sha256 test */ .alg = "drbg_pr_sha384", .test = alg_test_null, + .fips_allowed = 1 }, { .alg = "drbg_pr_sha512", .fips_allowed = 1, @@ -4963,7 +4702,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "ecb(arc4)", - .generic_driver = "ecb(arc4)-generic", + .generic_driver = "arc4-generic", .test = alg_test_skcipher, .suite = { .cipher = __VECS(arc4_tv_template) @@ -5109,32 +4848,40 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "ecdsa-nist-p192", - .test = alg_test_akcipher, + .test = alg_test_sig, .suite = { - .akcipher = __VECS(ecdsa_nist_p192_tv_template) + .sig = __VECS(ecdsa_nist_p192_tv_template) } }, { .alg = "ecdsa-nist-p256", - .test = alg_test_akcipher, + .test = alg_test_sig, .fips_allowed = 1, .suite = { - .akcipher = __VECS(ecdsa_nist_p256_tv_template) + .sig = __VECS(ecdsa_nist_p256_tv_template) } }, { .alg = "ecdsa-nist-p384", - .test = alg_test_akcipher, + .test = alg_test_sig, + .fips_allowed = 1, + .suite = { + .sig = __VECS(ecdsa_nist_p384_tv_template) + } + }, { + .alg = "ecdsa-nist-p521", + .test = alg_test_sig, .fips_allowed = 1, .suite = { - .akcipher = __VECS(ecdsa_nist_p384_tv_template) + .sig = __VECS(ecdsa_nist_p521_tv_template) } }, { .alg = "ecrdsa", - .test = alg_test_akcipher, + .test = alg_test_sig, .suite = { - .akcipher = __VECS(ecrdsa_tv_template) + .sig = __VECS(ecrdsa_tv_template) } }, { .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)", + .generic_driver = "essiv(authenc(hmac-sha256-lib,cbc(aes-generic)),sha256-lib)", .test = alg_test_aead, .fips_allowed = 1, .suite = { @@ -5142,6 +4889,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "essiv(cbc(aes),sha256)", + .generic_driver = "essiv(cbc(aes-generic),sha256-lib)", .test = alg_test_skcipher, .fips_allowed = 1, .suite = { @@ -5214,14 +4962,14 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hctr2(aes)", - .generic_driver = - "hctr2_base(xctr(aes-generic),polyval-generic)", + .generic_driver = "hctr2_base(xctr(aes-generic),polyval-lib)", .test = alg_test_skcipher, .suite = { .cipher = __VECS(aes_hctr2_tv_template) } }, { .alg = "hmac(md5)", + .generic_driver = "hmac-md5-lib", .test = alg_test_hash, .suite = { .hash = __VECS(hmac_md5_tv_template) @@ -5234,6 +4982,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha1)", + .generic_driver = "hmac-sha1-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5241,6 +4990,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha224)", + .generic_driver = "hmac-sha224-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5248,6 +4998,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha256)", + .generic_driver = "hmac-sha256-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5255,6 +5006,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha3-224)", + .generic_driver = "hmac(sha3-224-lib)", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5262,6 +5014,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha3-256)", + .generic_driver = "hmac(sha3-256-lib)", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5269,6 +5022,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha3-384)", + .generic_driver = "hmac(sha3-384-lib)", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5276,6 +5030,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha3-512)", + .generic_driver = "hmac(sha3-512-lib)", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5283,6 +5038,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha384)", + .generic_driver = "hmac-sha384-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5290,6 +5046,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "hmac(sha512)", + .generic_driver = "hmac-sha512-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5318,12 +5075,9 @@ static const struct alg_test_desc alg_test_descs[] = { .fips_allowed = 1, .test = alg_test_null, }, { - .alg = "kw(aes)", - .test = alg_test_skcipher, - .fips_allowed = 1, - .suite = { - .cipher = __VECS(aes_kw_tv_template) - } + .alg = "krb5enc(cmac(camellia),cts(cbc(camellia)))", + .test = alg_test_aead, + .suite.aead = __VECS(krb5_test_camellia_cts_cmac) }, { .alg = "lrw(aes)", .generic_driver = "lrw(ecb(aes-generic))", @@ -5407,6 +5161,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "md5", + .generic_driver = "md5-lib", .test = alg_test_hash, .suite = { .hash = __VECS(md5_tv_template) @@ -5424,25 +5179,23 @@ static const struct alg_test_desc alg_test_descs[] = { .hash = __VECS(nhpoly1305_tv_template) } }, { - .alg = "ofb(aes)", - .test = alg_test_skcipher, + .alg = "p1363(ecdsa-nist-p192)", + .test = alg_test_null, + }, { + .alg = "p1363(ecdsa-nist-p256)", + .test = alg_test_sig, .fips_allowed = 1, .suite = { - .cipher = __VECS(aes_ofb_tv_template) + .sig = __VECS(p1363_ecdsa_nist_p256_tv_template) } }, { - /* Same as ofb(aes) except the key is stored in - * hardware secure memory which we reference by index - */ - .alg = "ofb(paes)", + .alg = "p1363(ecdsa-nist-p384)", .test = alg_test_null, .fips_allowed = 1, }, { - .alg = "ofb(sm4)", - .test = alg_test_skcipher, - .suite = { - .cipher = __VECS(sm4_ofb_tv_template) - } + .alg = "p1363(ecdsa-nist-p521)", + .test = alg_test_null, + .fips_allowed = 1, }, { .alg = "pcbc(fcrypt)", .test = alg_test_skcipher, @@ -5450,37 +5203,77 @@ static const struct alg_test_desc alg_test_descs[] = { .cipher = __VECS(fcrypt_pcbc_tv_template) } }, { - .alg = "pkcs1pad(rsa,sha224)", - .test = alg_test_null, +#if IS_ENABLED(CONFIG_CRYPTO_PHMAC_S390) + .alg = "phmac(sha224)", + .test = alg_test_hash, .fips_allowed = 1, + .suite = { + .hash = __VECS(hmac_sha224_tv_template) + } }, { - .alg = "pkcs1pad(rsa,sha256)", - .test = alg_test_akcipher, + .alg = "phmac(sha256)", + .test = alg_test_hash, .fips_allowed = 1, .suite = { - .akcipher = __VECS(pkcs1pad_rsa_tv_template) + .hash = __VECS(hmac_sha256_tv_template) } }, { - .alg = "pkcs1pad(rsa,sha384)", - .test = alg_test_null, + .alg = "phmac(sha384)", + .test = alg_test_hash, .fips_allowed = 1, + .suite = { + .hash = __VECS(hmac_sha384_tv_template) + } }, { - .alg = "pkcs1pad(rsa,sha512)", - .test = alg_test_null, + .alg = "phmac(sha512)", + .test = alg_test_hash, .fips_allowed = 1, + .suite = { + .hash = __VECS(hmac_sha512_tv_template) + } }, { - .alg = "poly1305", - .test = alg_test_hash, +#endif + .alg = "pkcs1(rsa,none)", + .test = alg_test_sig, .suite = { - .hash = __VECS(poly1305_tv_template) + .sig = __VECS(pkcs1_rsa_none_tv_template) } }, { - .alg = "polyval", - .test = alg_test_hash, + .alg = "pkcs1(rsa,sha224)", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "pkcs1(rsa,sha256)", + .test = alg_test_sig, + .fips_allowed = 1, .suite = { - .hash = __VECS(polyval_tv_template) + .sig = __VECS(pkcs1_rsa_tv_template) } }, { + .alg = "pkcs1(rsa,sha3-256)", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "pkcs1(rsa,sha3-384)", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "pkcs1(rsa,sha3-512)", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "pkcs1(rsa,sha384)", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "pkcs1(rsa,sha512)", + .test = alg_test_null, + .fips_allowed = 1, + }, { + .alg = "pkcs1pad(rsa)", + .test = alg_test_null, + .fips_allowed = 1, + }, { .alg = "rfc3686(ctr(aes))", .test = alg_test_skcipher, .fips_allowed = 1, @@ -5530,12 +5323,14 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "rfc7539(chacha20,poly1305)", + .generic_driver = "rfc7539(chacha20-lib,poly1305-generic)", .test = alg_test_aead, .suite = { .aead = __VECS(rfc7539_tv_template) } }, { .alg = "rfc7539esp(chacha20,poly1305)", + .generic_driver = "rfc7539esp(chacha20-lib,poly1305-generic)", .test = alg_test_aead, .suite = { .aead = { @@ -5559,6 +5354,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha1", + .generic_driver = "sha1-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5566,6 +5362,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha224", + .generic_driver = "sha224-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5573,6 +5370,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha256", + .generic_driver = "sha256-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5580,6 +5378,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha3-224", + .generic_driver = "sha3-224-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5587,6 +5386,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha3-256", + .generic_driver = "sha3-256-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5594,6 +5394,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha3-384", + .generic_driver = "sha3-384-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5601,6 +5402,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha3-512", + .generic_driver = "sha3-512-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5608,6 +5410,7 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha384", + .generic_driver = "sha384-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { @@ -5615,18 +5418,13 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "sha512", + .generic_driver = "sha512-lib", .test = alg_test_hash, .fips_allowed = 1, .suite = { .hash = __VECS(sha512_tv_template) } }, { - .alg = "sm2", - .test = alg_test_akcipher, - .suite = { - .akcipher = __VECS(sm2_tv_template) - } - }, { .alg = "sm3", .test = alg_test_hash, .suite = { @@ -5645,12 +5443,6 @@ static const struct alg_test_desc alg_test_descs[] = { .hash = __VECS(streebog512_tv_template) } }, { - .alg = "vmac64(aes)", - .test = alg_test_hash, - .suite = { - .hash = __VECS(vmac64_aes_tv_template) - } - }, { .alg = "wp256", .test = alg_test_hash, .suite = { @@ -5669,6 +5461,33 @@ static const struct alg_test_desc alg_test_descs[] = { .hash = __VECS(wp512_tv_template) } }, { + .alg = "x962(ecdsa-nist-p192)", + .test = alg_test_sig, + .suite = { + .sig = __VECS(x962_ecdsa_nist_p192_tv_template) + } + }, { + .alg = "x962(ecdsa-nist-p256)", + .test = alg_test_sig, + .fips_allowed = 1, + .suite = { + .sig = __VECS(x962_ecdsa_nist_p256_tv_template) + } + }, { + .alg = "x962(ecdsa-nist-p384)", + .test = alg_test_sig, + .fips_allowed = 1, + .suite = { + .sig = __VECS(x962_ecdsa_nist_p384_tv_template) + } + }, { + .alg = "x962(ecdsa-nist-p521)", + .test = alg_test_sig, + .fips_allowed = 1, + .suite = { + .sig = __VECS(x962_ecdsa_nist_p521_tv_template) + } + }, { .alg = "xcbc(aes)", .test = alg_test_hash, .suite = { @@ -5682,12 +5501,14 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { .alg = "xchacha12", + .generic_driver = "xchacha12-lib", .test = alg_test_skcipher, .suite = { .cipher = __VECS(xchacha12_tv_template) }, }, { .alg = "xchacha20", + .generic_driver = "xchacha20-lib", .test = alg_test_skcipher, .suite = { .cipher = __VECS(xchacha20_tv_template) @@ -5758,14 +5579,6 @@ static const struct alg_test_desc alg_test_descs[] = { } }, { #endif - .alg = "xts4096(paes)", - .test = alg_test_null, - .fips_allowed = 1, - }, { - .alg = "xts512(paes)", - .test = alg_test_null, - .fips_allowed = 1, - }, { .alg = "xxhash64", .test = alg_test_hash, .fips_allowed = 1, @@ -5773,16 +5586,6 @@ static const struct alg_test_desc alg_test_descs[] = { .hash = __VECS(xxhash64_tv_template) } }, { - .alg = "zlib-deflate", - .test = alg_test_comp, - .fips_allowed = 1, - .suite = { - .comp = { - .comp = __VECS(zlib_deflate_comp_tv_template), - .decomp = __VECS(zlib_deflate_decomp_tv_template) - } - } - }, { .alg = "zstd", .test = alg_test_comp, .fips_allowed = 1, @@ -5834,9 +5637,8 @@ static void testmgr_onetime_init(void) alg_check_test_descs_order(); alg_check_testvec_configs(); -#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS - pr_warn("alg: extra crypto tests enabled. This is intended for developer use only.\n"); -#endif + if (!noslowtests) + pr_warn("alg: full crypto tests enabled. This is intended for developer use only.\n"); } static int alg_find_test(const char *alg) @@ -5925,11 +5727,10 @@ int alg_test(const char *driver, const char *alg, u32 type, u32 mask) test_done: if (rc) { - if (fips_enabled || panic_on_fail) { + if (fips_enabled) { fips_fail_notify(); - panic("alg: self-tests for %s (%s) failed in %s mode!\n", - driver, alg, - fips_enabled ? "fips" : "panic_on_fail"); + panic("alg: self-tests for %s (%s) failed in fips mode!\n", + driver, alg); } pr_warn("alg: self-tests for %s using %s failed (rc=%d)", alg, driver, rc); @@ -5945,6 +5746,25 @@ test_done: return rc; notest: + if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_LSKCIPHER) { + char nalg[CRYPTO_MAX_ALG_NAME]; + + if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >= + sizeof(nalg)) + goto notest2; + + i = alg_find_test(nalg); + if (i < 0) + goto notest2; + + if (fips_enabled && !alg_test_descs[i].fips_allowed) + goto non_fips_alg; + + rc = alg_test_skcipher(alg_test_descs + i, driver, type, mask); + goto test_done; + } + +notest2: printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver); if (type & CRYPTO_ALG_FIPS_INTERNAL) @@ -5955,6 +5775,6 @@ non_fips_alg: return alg_fips_disabled(driver, alg); } -#endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */ +#endif /* CONFIG_CRYPTO_SELFTESTS */ EXPORT_SYMBOL_GPL(alg_test); diff --git a/crypto/testmgr.h b/crypto/testmgr.h index 5ca7a412508f..80bf5f1b67a6 100644 --- a/crypto/testmgr.h +++ b/crypto/testmgr.h @@ -21,6 +21,7 @@ #define _CRYPTO_TESTMGR_H #include <linux/oid_registry.h> +#include <crypto/internal/ecc.h> #define MAX_IVLEN 32 @@ -58,8 +59,6 @@ struct hash_testvec { * @wk: Does the test need CRYPTO_TFM_REQ_FORBID_WEAK_KEYS? * ( e.g. test needs to fail due to a weak key ) * @fips_skip: Skip the test vector in FIPS mode - * @generates_iv: Encryption should ignore the given IV, and output @iv_out. - * Decryption takes @iv_out. Needed for AES Keywrap ("kw(aes)"). * @setkey_error: Expected error from setkey() * @crypt_error: Expected error from encrypt() and decrypt() */ @@ -73,7 +72,6 @@ struct cipher_testvec { unsigned short klen; unsigned int len; bool fips_skip; - bool generates_iv; int setkey_error; int crypt_error; }; @@ -121,18 +119,6 @@ struct aead_testvec { int crypt_error; }; -struct cprng_testvec { - const char *key; - const char *dt; - const char *v; - const char *result; - unsigned char klen; - unsigned short dtlen; - unsigned short vlen; - unsigned short rlen; - unsigned short loops; -}; - struct drbg_testvec { const unsigned char *entropy; size_t entropylen; @@ -150,6 +136,16 @@ struct drbg_testvec { struct akcipher_testvec { const unsigned char *key; + const unsigned char *m; + const unsigned char *c; + unsigned int key_len; + unsigned int m_size; + unsigned int c_size; + bool public_key_vec; +}; + +struct sig_testvec { + const unsigned char *key; const unsigned char *params; const unsigned char *m; const unsigned char *c; @@ -158,7 +154,6 @@ struct akcipher_testvec { unsigned int m_size; unsigned int c_size; bool public_key_vec; - bool siggen_sigver_test; enum OID algo; }; @@ -647,26 +642,713 @@ static const struct akcipher_testvec rsa_tv_template[] = { } }; +#ifdef CONFIG_CPU_BIG_ENDIAN +#define be64_to_cpua(b1, b2, b3, b4, b5, b6, b7, b8) \ + 0x##b1, 0x##b2, 0x##b3, 0x##b4, 0x##b5, 0x##b6, 0x##b7, 0x##b8 +#else +#define be64_to_cpua(b1, b2, b3, b4, b5, b6, b7, b8) \ + 0x##b8, 0x##b7, 0x##b6, 0x##b5, 0x##b4, 0x##b3, 0x##b2, 0x##b1 +#endif + /* * ECDSA test vectors. */ -static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = { +static const struct sig_testvec ecdsa_nist_p192_tv_template[] = { { - .key = + .key = /* secp192r1(sha1) */ + "\x04\xf7\x46\xf8\x2f\x15\xf6\x22\x8e\xd7\x57\x4f\xcc\xe7\xbb\xc1" + "\xd4\x09\x73\xcf\xea\xd0\x15\x07\x3d\xa5\x8a\x8a\x95\x43\xe4\x68" + "\xea\xc6\x25\xc1\xc1\x01\x25\x4c\x7e\xc3\x3c\xa6\x04\x0a\xe7\x08" + "\x98", + .key_len = 49, + .m = + "\xcd\xb9\xd2\x1c\xb7\x6f\xcd\x44\xb3\xfd\x63\xea\xa3\x66\x7f\xae" + "\x63\x85\xe7\x82", + .m_size = 20, + .c = (const unsigned char[]){ + be64_to_cpua(ad, 59, ad, 88, 27, d6, 92, 6b), + be64_to_cpua(a0, 27, 91, c6, f6, 7f, c3, 09), + be64_to_cpua(ba, e5, 93, 83, 6e, b6, 3b, 63), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(86, 80, 6f, a5, 79, 77, da, d0), + be64_to_cpua(ef, 95, 52, 7b, a0, 0f, e4, 18), + be64_to_cpua(10, 68, 01, 9d, ba, ce, 83, 08), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp192r1(sha224) */ + "\x04\xb6\x4b\xb1\xd1\xac\xba\x24\x8f\x65\xb2\x60\x00\x90\xbf\xbd" + "\x78\x05\x73\xe9\x79\x1d\x6f\x7c\x0b\xd2\xc3\x93\xa7\x28\xe1\x75" + "\xf7\xd5\x95\x1d\x28\x10\xc0\x75\x50\x5c\x1a\x4f\x3f\x8f\xa5\xee" + "\xa3", + .key_len = 49, + .m = + "\x8d\xd6\xb8\x3e\xe5\xff\x23\xf6\x25\xa2\x43\x42\x74\x45\xa7\x40" + "\x3a\xff\x2f\xe1\xd3\xf6\x9f\xe8\x33\xcb\x12\x11", + .m_size = 28, + .c = (const unsigned char[]){ + be64_to_cpua(83, 7b, 12, e6, b6, 5b, cb, d4), + be64_to_cpua(14, f8, 11, 2b, 55, dc, ae, 37), + be64_to_cpua(5a, 8b, 82, 69, 7e, 8a, 0a, 09), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(a3, e3, 5c, 99, db, 92, 5b, 36), + be64_to_cpua(eb, c3, 92, 0f, 1e, 72, ee, c4), + be64_to_cpua(6a, 14, 4f, 53, 75, c8, 02, 48), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp192r1(sha256) */ + "\x04\xe2\x51\x24\x9b\xf7\xb6\x32\x82\x39\x66\x3d\x5b\xec\x3b\xae" + "\x0c\xd5\xf2\x67\xd1\xc7\xe1\x02\xe4\xbf\x90\x62\xb8\x55\x75\x56" + "\x69\x20\x5e\xcb\x4e\xca\x33\xd6\xcb\x62\x6b\x94\xa9\xa2\xe9\x58" + "\x91", + .key_len = 49, + .m = + "\x35\xec\xa1\xa0\x9e\x14\xde\x33\x03\xb6\xf6\xbd\x0c\x2f\xb2\xfd" + "\x1f\x27\x82\xa5\xd7\x70\x3f\xef\xa0\x82\x69\x8e\x73\x31\x8e\xd7", + .m_size = 32, + .c = (const unsigned char[]){ + be64_to_cpua(01, 48, fb, 5f, 72, 2a, d4, 8f), + be64_to_cpua(6b, 1a, 58, 56, f1, 8f, f7, fd), + be64_to_cpua(3f, 72, 3f, 1f, 42, d2, 3f, 1d), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(7d, 3a, 97, d9, cd, 1a, 6a, 49), + be64_to_cpua(32, dd, 41, 74, 6a, 51, c7, d9), + be64_to_cpua(b3, 69, 43, fd, 48, 19, 86, cf), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp192r1(sha384) */ + "\x04\x5a\x13\xfe\x68\x86\x4d\xf4\x17\xc7\xa4\xe5\x8c\x65\x57\xb7" + "\x03\x73\x26\x57\xfb\xe5\x58\x40\xd8\xfd\x49\x05\xab\xf1\x66\x1f" + "\xe2\x9d\x93\x9e\xc2\x22\x5a\x8b\x4f\xf3\x77\x22\x59\x7e\xa6\x4e" + "\x8b", + .key_len = 49, + .m = + "\x9d\x2e\x1a\x8f\xed\x6c\x4b\x61\xae\xac\xd5\x19\x79\xce\x67\xf9" + "\xa0\x34\xeb\xb0\x81\xf9\xd9\xdc\x6e\xb3\x5c\xa8\x69\xfc\x8a\x61" + "\x39\x81\xfb\xfd\x5c\x30\x6b\xa8\xee\xed\x89\xaf\xa3\x05\xe4\x78", + .m_size = 48, + .c = (const unsigned char[]){ + be64_to_cpua(dd, 15, bb, d6, 8c, a7, 03, 78), + be64_to_cpua(cf, 7f, 34, b4, b4, e5, c5, 00), + be64_to_cpua(f0, a3, 38, ce, 2b, f8, 9d, 1a), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(93, 12, 3b, 3b, 28, fb, 6d, e1), + be64_to_cpua(d1, 01, 77, 44, 5d, 53, a4, 7c), + be64_to_cpua(64, bc, 5a, 1f, 82, 96, 61, d7), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp192r1(sha512) */ + "\x04\xd5\xf2\x6e\xc3\x94\x5c\x52\xbc\xdf\x86\x6c\x14\xd1\xca\xea" + "\xcc\x72\x3a\x8a\xf6\x7a\x3a\x56\x36\x3b\xca\xc6\x94\x0e\x17\x1d" + "\x9e\xa0\x58\x28\xf9\x4b\xe6\xd1\xa5\x44\x91\x35\x0d\xe7\xf5\x11" + "\x57", + .key_len = 49, + .m = + "\xd5\x4b\xe9\x36\xda\xd8\x6e\xc0\x50\x03\xbe\x00\x43\xff\xf0\x23" + "\xac\xa2\x42\xe7\x37\x77\x79\x52\x8f\x3e\xc0\x16\xc1\xfc\x8c\x67" + "\x16\xbc\x8a\x5d\x3b\xd3\x13\xbb\xb6\xc0\x26\x1b\xeb\x33\xcc\x70" + "\x4a\xf2\x11\x37\xe8\x1b\xba\x55\xac\x69\xe1\x74\x62\x7c\x6e\xb5", + .m_size = 64, + .c = (const unsigned char[]){ + be64_to_cpua(2b, 11, 2d, 1c, b6, 06, c9, 6c), + be64_to_cpua(dd, 3f, 07, 87, 12, a0, d4, ac), + be64_to_cpua(88, 5b, 8f, 59, 43, bf, cf, c6), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(28, 6a, df, 97, fd, 82, 76, 24), + be64_to_cpua(a9, 14, 2a, 5e, f5, e5, fb, 72), + be64_to_cpua(73, b4, 22, 9a, 98, 73, 3c, 83), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, +}; + +static const struct sig_testvec ecdsa_nist_p256_tv_template[] = { + { + .key = /* secp256r1(sha1) */ + "\x04\xb9\x7b\xbb\xd7\x17\x64\xd2\x7e\xfc\x81\x5d\x87\x06\x83\x41" + "\x22\xd6\x9a\xaa\x87\x17\xec\x4f\x63\x55\x2f\x94\xba\xdd\x83\xe9" + "\x34\x4b\xf3\xe9\x91\x13\x50\xb6\xcb\xca\x62\x08\xe7\x3b\x09\xdc" + "\xc3\x63\x4b\x2d\xb9\x73\x53\xe4\x45\xe6\x7c\xad\xe7\x6b\xb0\xe8" + "\xaf", + .key_len = 65, + .m = + "\xc2\x2b\x5f\x91\x78\x34\x26\x09\x42\x8d\x6f\x51\xb2\xc5\xaf\x4c" + "\x0b\xde\x6a\x42", + .m_size = 20, + .c = (const unsigned char[]){ + be64_to_cpua(ee, ca, 6a, 52, 0e, 48, 4d, cc), + be64_to_cpua(f7, d4, ad, 8d, 94, 5a, 69, 89), + be64_to_cpua(cf, d4, e7, b7, f0, 82, 56, 41), + be64_to_cpua(f9, 25, ce, 9f, 3a, a6, 35, 81), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(fb, 9d, 8b, de, d4, 8d, 6f, ad), + be64_to_cpua(f1, 03, 03, f3, 3b, e2, 73, f7), + be64_to_cpua(8a, fa, 54, 93, 29, a7, 70, 86), + be64_to_cpua(d7, e4, ef, 52, 66, d3, 5b, 9d), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp256r1(sha224) */ + "\x04\x8b\x6d\xc0\x33\x8e\x2d\x8b\x67\xf5\xeb\xc4\x7f\xa0\xf5\xd9" + "\x7b\x03\xa5\x78\x9a\xb5\xea\x14\xe4\x23\xd0\xaf\xd7\x0e\x2e\xa0" + "\xc9\x8b\xdb\x95\xf8\xb3\xaf\xac\x00\x2c\x2c\x1f\x7a\xfd\x95\x88" + "\x43\x13\xbf\xf3\x1c\x05\x1a\x14\x18\x09\x3f\xd6\x28\x3e\xc5\xa0" + "\xd4", + .key_len = 65, + .m = + "\x1a\x15\xbc\xa3\xe4\xed\x3a\xb8\x23\x67\xc6\xc4\x34\xf8\x6c\x41" + "\x04\x0b\xda\xc5\x77\xfa\x1c\x2d\xe6\x2c\x3b\xe0", + .m_size = 28, + .c = (const unsigned char[]){ + be64_to_cpua(7d, 25, d8, 25, f5, 81, d2, 1e), + be64_to_cpua(34, 62, 79, cb, 6a, 91, 67, 2e), + be64_to_cpua(ae, ce, 77, 59, 1a, db, 59, d5), + be64_to_cpua(20, 43, fa, c0, 9f, 9d, 7b, e7), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(ce, d5, 2e, 8b, de, 5a, 04, 0e), + be64_to_cpua(bf, 50, 05, 58, 39, 0e, 26, 92), + be64_to_cpua(76, 20, 4a, 77, 22, ec, c8, 66), + be64_to_cpua(5f, f8, 74, f8, 57, d0, 5e, 54), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp256r1(sha256) */ + "\x04\xf1\xea\xc4\x53\xf3\xb9\x0e\x9f\x7e\xad\xe3\xea\xd7\x0e\x0f" + "\xd6\x98\x9a\xca\x92\x4d\x0a\x80\xdb\x2d\x45\xc7\xec\x4b\x97\x00" + "\x2f\xe9\x42\x6c\x29\xdc\x55\x0e\x0b\x53\x12\x9b\x2b\xad\x2c\xe9" + "\x80\xe6\xc5\x43\xc2\x1d\x5e\xbb\x65\x21\x50\xb6\x37\xb0\x03\x8e" + "\xb8", + .key_len = 65, + .m = + "\x8f\x43\x43\x46\x64\x8f\x6b\x96\xdf\x89\xdd\xa9\x01\xc5\x17\x6b" + "\x10\xa6\xd8\x39\x61\xdd\x3c\x1a\xc8\x8b\x59\xb2\xdc\x32\x7a\xa4", + .m_size = 32, + .c = (const unsigned char[]){ + be64_to_cpua(91, dc, 02, 67, dc, 0c, d0, 82), + be64_to_cpua(ac, 44, c3, e8, 24, 11, 2d, a4), + be64_to_cpua(09, dc, 29, 63, a8, 1a, ad, fc), + be64_to_cpua(08, 31, fa, 74, 0d, 1d, 21, 5d), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(4f, 2a, 65, 35, 23, e3, 1d, fa), + be64_to_cpua(0a, 6e, 1b, c4, af, e1, 83, c3), + be64_to_cpua(f9, a9, 81, ac, 4a, 50, d0, 91), + be64_to_cpua(bd, ff, ce, ee, 42, c3, 97, ff), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp256r1(sha384) */ + "\x04\xc5\xc6\xea\x60\xc9\xce\xad\x02\x8d\xf5\x3e\x24\xe3\x52\x1d" + "\x28\x47\x3b\xc3\x6b\xa4\x99\x35\x99\x11\x88\x88\xc8\xf4\xee\x7e" + "\x8c\x33\x8f\x41\x03\x24\x46\x2b\x1a\x82\xf9\x9f\xe1\x97\x1b\x00" + "\xda\x3b\x24\x41\xf7\x66\x33\x58\x3d\x3a\x81\xad\xcf\x16\xe9\xe2" + "\x7c", + .key_len = 65, + .m = + "\x3e\x78\x70\xfb\xcd\x66\xba\x91\xa1\x79\xff\x1e\x1c\x6b\x78\xe6" + "\xc0\x81\x3a\x65\x97\x14\x84\x36\x14\x1a\x9a\xb7\xc5\xab\x84\x94" + "\x5e\xbb\x1b\x34\x71\xcb\x41\xe1\xf6\xfc\x92\x7b\x34\xbb\x86\xbb", + .m_size = 48, + .c = (const unsigned char[]){ + be64_to_cpua(f2, e4, 6c, c7, 94, b1, d5, fe), + be64_to_cpua(08, b2, 6b, 24, 94, 48, 46, 5e), + be64_to_cpua(d0, 2e, 95, 54, d1, 95, 64, 93), + be64_to_cpua(8e, f3, 6f, dc, f8, 69, a6, 2e), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(c0, 60, 11, 92, dc, 17, 89, 12), + be64_to_cpua(69, f4, 3b, 4f, 47, cf, 9b, 16), + be64_to_cpua(19, fb, 5f, 92, f4, c9, 23, 37), + be64_to_cpua(eb, a7, 80, 26, dc, f9, 3a, 44), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp256r1(sha512) */ + "\x04\xd7\x27\x46\x49\xf6\x26\x85\x12\x40\x76\x8e\xe2\xe6\x2a\x7a" + "\x83\xb1\x4e\x7a\xeb\x3b\x5c\x67\x4a\xb5\xa4\x92\x8c\x69\xff\x38" + "\xee\xd9\x4e\x13\x29\x59\xad\xde\x6b\xbb\x45\x31\xee\xfd\xd1\x1b" + "\x64\xd3\xb5\xfc\xaf\x9b\x4b\x88\x3b\x0e\xb7\xd6\xdf\xf1\xd5\x92" + "\xbf", + .key_len = 65, + .m = + "\x57\xb7\x9e\xe9\x05\x0a\x8c\x1b\xc9\x13\xe5\x4a\x24\xc7\xe2\xe9" + "\x43\xc3\xd1\x76\x62\xf4\x98\x1a\x9c\x13\xb0\x20\x1b\xe5\x39\xca" + "\x4f\xd9\x85\x34\x95\xa2\x31\xbc\xbb\xde\xdd\x76\xbb\x61\xe3\xcf" + "\x9d\xc0\x49\x7a\xf3\x7a\xc4\x7d\xa8\x04\x4b\x8d\xb4\x4d\x5b\xd6", + .m_size = 64, + .c = (const unsigned char[]){ + be64_to_cpua(76, f6, 04, 99, 09, 37, 4d, fa), + be64_to_cpua(ed, 8c, 73, 30, 6c, 22, b3, 97), + be64_to_cpua(40, ea, 44, 81, 00, 4e, 29, 08), + be64_to_cpua(b8, 6d, 87, 81, 43, df, fb, 9f), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(76, 31, 79, 4a, e9, 81, 6a, ee), + be64_to_cpua(5c, ad, c3, 78, 1c, c2, c1, 19), + be64_to_cpua(f8, 00, dd, ab, d4, c0, 2b, e6), + be64_to_cpua(1e, b9, 75, 31, f6, 04, a5, 4d), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, +}; + +static const struct sig_testvec ecdsa_nist_p384_tv_template[] = { + { + .key = /* secp384r1(sha1) */ + "\x04\x89\x25\xf3\x97\x88\xcb\xb0\x78\xc5\x72\x9a\x14\x6e\x7a\xb1" + "\x5a\xa5\x24\xf1\x95\x06\x9e\x28\xfb\xc4\xb9\xbe\x5a\x0d\xd9\x9f" + "\xf3\xd1\x4d\x2d\x07\x99\xbd\xda\xa7\x66\xec\xbb\xea\xba\x79\x42" + "\xc9\x34\x89\x6a\xe7\x0b\xc3\xf2\xfe\x32\x30\xbe\xba\xf9\xdf\x7e" + "\x4b\x6a\x07\x8e\x26\x66\x3f\x1d\xec\xa2\x57\x91\x51\xdd\x17\x0e" + "\x0b\x25\xd6\x80\x5c\x3b\xe6\x1a\x98\x48\x91\x45\x7a\x73\xb0\xc3" + "\xf1", + .key_len = 97, + .m = + "\x12\x55\x28\xf0\x77\xd5\xb6\x21\x71\x32\x48\xcd\x28\xa8\x25\x22" + "\x3a\x69\xc1\x93", + .m_size = 20, + .c = (const unsigned char[]){ + be64_to_cpua(ec, 7c, 7e, d0, 87, d7, d7, 6e), + be64_to_cpua(78, f1, 4c, 26, e6, 5b, 86, cf), + be64_to_cpua(3a, c6, f1, 32, 3c, ce, 70, 2b), + be64_to_cpua(8d, 26, 8e, ae, 63, 3f, bc, 20), + be64_to_cpua(57, 55, 07, 20, 43, 30, de, a0), + be64_to_cpua(f5, 0f, 24, 4c, 07, 93, 6f, 21), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(79, 12, 2a, b7, c5, 15, 92, c5), + be64_to_cpua(4a, a1, 59, f1, 1c, a4, 58, 26), + be64_to_cpua(74, a0, 0f, bf, af, c3, 36, 76), + be64_to_cpua(df, 28, 8c, 1b, fa, f9, 95, 88), + be64_to_cpua(5f, 63, b1, be, 5e, 4c, 0e, a1), + be64_to_cpua(cd, bb, 7e, 81, 5d, 8f, 63, c0), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp384r1(sha224) */ + "\x04\x69\x6c\xcf\x62\xee\xd0\x0d\xe5\xb5\x2f\x70\x54\xcf\x26\xa0" + "\xd9\x98\x8d\x92\x2a\xab\x9b\x11\xcb\x48\x18\xa1\xa9\x0d\xd5\x18" + "\x3e\xe8\x29\x6e\xf6\xe4\xb5\x8e\xc7\x4a\xc2\x5f\x37\x13\x99\x05" + "\xb6\xa4\x9d\xf9\xfb\x79\x41\xe7\xd7\x96\x9f\x73\x3b\x39\x43\xdc" + "\xda\xf4\x06\xb9\xa5\x29\x01\x9d\x3b\xe1\xd8\x68\x77\x2a\xf4\x50" + "\x6b\x93\x99\x6c\x66\x4c\x42\x3f\x65\x60\x6c\x1c\x0b\x93\x9b\x9d" + "\xe0", + .key_len = 97, + .m = + "\x12\x80\xb6\xeb\x25\xe2\x3d\xf0\x21\x32\x96\x17\x3a\x38\x39\xfd" + "\x1f\x05\x34\x7b\xb8\xf9\x71\x66\x03\x4f\xd5\xe5", + .m_size = 28, + .c = (const unsigned char[]){ + be64_to_cpua(3f, dd, 15, 1b, 68, 2b, 9d, 8b), + be64_to_cpua(c9, 9c, 11, b8, 10, 01, c5, 41), + be64_to_cpua(c5, da, b4, e3, 93, 07, e0, 99), + be64_to_cpua(97, f1, c8, 72, 26, cf, 5a, 5e), + be64_to_cpua(ec, cb, e4, 89, 47, b2, f7, bc), + be64_to_cpua(8a, 51, 84, ce, 13, 1e, d2, dc), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(88, 2b, 82, 26, 5e, 1c, da, fb), + be64_to_cpua(9f, 19, d0, 42, 8b, 93, c2, 11), + be64_to_cpua(4d, d0, c6, 6e, b0, e9, fc, 14), + be64_to_cpua(df, d8, 68, a2, 64, 42, 65, f3), + be64_to_cpua(4b, 00, 08, 31, 6c, f5, d5, f6), + be64_to_cpua(8b, 03, 2c, fc, 1f, d1, a9, a4), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp384r1(sha256) */ + "\x04\xee\xd6\xda\x3e\x94\x90\x00\x27\xed\xf8\x64\x55\xd6\x51\x9a" + "\x1f\x52\x00\x63\x78\xf1\xa9\xfd\x75\x4c\x9e\xb2\x20\x1a\x91\x5a" + "\xba\x7a\xa3\xe5\x6c\xb6\x25\x68\x4b\xe8\x13\xa6\x54\x87\x2c\x0e" + "\xd0\x83\x95\xbc\xbf\xc5\x28\x4f\x77\x1c\x46\xa6\xf0\xbc\xd4\xa4" + "\x8d\xc2\x8f\xb3\x32\x37\x40\xd6\xca\xf8\xae\x07\x34\x52\x39\x52" + "\x17\xc3\x34\x29\xd6\x40\xea\x5c\xb9\x3f\xfb\x32\x2e\x12\x33\xbc" + "\xab", + .key_len = 97, + .m = + "\xaa\xe7\xfd\x03\x26\xcb\x94\x71\xe4\xce\x0f\xc5\xff\xa6\x29\xa3" + "\xe1\xcc\x4c\x35\x4e\xde\xca\x80\xab\x26\x0c\x25\xe6\x68\x11\xc2", + .m_size = 32, + .c = (const unsigned char[]){ + be64_to_cpua(c8, 8d, 2c, 79, 3a, 8e, 32, c4), + be64_to_cpua(b6, c6, fc, 70, 2e, 66, 3c, 77), + be64_to_cpua(af, 06, 3f, 84, 04, e2, f9, 67), + be64_to_cpua(cc, 47, 53, 87, bc, bd, 83, 3f), + be64_to_cpua(8e, 3f, 7e, ce, 0a, 9b, aa, 59), + be64_to_cpua(08, 09, 12, 9d, 6e, 96, 64, a6), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(10, 0e, f4, 1f, 39, ca, 4d, 43), + be64_to_cpua(4f, 8d, de, 1e, 93, 8d, 95, bb), + be64_to_cpua(15, 68, c0, 75, 3e, 23, 5e, 36), + be64_to_cpua(dd, ce, bc, b2, 97, f4, 9c, f3), + be64_to_cpua(26, a2, b0, 89, 42, 0a, da, d9), + be64_to_cpua(40, 34, b8, 90, a9, 80, ab, 47), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp384r1(sha384) */ + "\x04\x3a\x2f\x62\xe7\x1a\xcf\x24\xd0\x0b\x7c\xe0\xed\x46\x0a\x4f" + "\x74\x16\x43\xe9\x1a\x25\x7c\x55\xff\xf0\x29\x68\x66\x20\x91\xf9" + "\xdb\x2b\xf6\xb3\x6c\x54\x01\xca\xc7\x6a\x5c\x0d\xeb\x68\xd9\x3c" + "\xf1\x01\x74\x1f\xf9\x6c\xe5\x5b\x60\xe9\x7f\x5d\xb3\x12\x80\x2a" + "\xd8\x67\x92\xc9\x0e\x4c\x4c\x6b\xa1\xb2\xa8\x1e\xac\x1c\x97\xd9" + "\x21\x67\xe5\x1b\x5a\x52\x31\x68\xd6\xee\xf0\x19\xb0\x55\xed\x89" + "\x9e", + .key_len = 97, + .m = + "\x8d\xf2\xc0\xe9\xa8\xf3\x8e\x44\xc4\x8c\x1a\xa0\xb8\xd7\x17\xdf" + "\xf2\x37\x1b\xc6\xe3\xf5\x62\xcc\x68\xf5\xd5\x0b\xbf\x73\x2b\xb1" + "\xb0\x4c\x04\x00\x31\xab\xfe\xc8\xd6\x09\xc8\xf2\xea\xd3\x28\xff", + .m_size = 48, + .c = (const unsigned char[]){ + be64_to_cpua(a2, a4, c8, f2, ea, 9d, 11, 1f), + be64_to_cpua(3b, 1f, 07, 8f, 15, 02, fe, 1d), + be64_to_cpua(29, e6, fb, ca, 8c, d6, b6, b4), + be64_to_cpua(2d, 7a, 91, 5f, 49, 2d, 22, 08), + be64_to_cpua(ee, 2e, 62, 35, 46, fa, 00, d8), + be64_to_cpua(9b, 28, 68, c0, a1, ea, 8c, 50), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(ab, 8d, 4e, de, e6, 6d, 9b, 66), + be64_to_cpua(96, 17, 04, c9, 05, 77, f1, 8e), + be64_to_cpua(44, 92, 8c, 86, 99, 65, b3, 97), + be64_to_cpua(71, cd, 8f, 18, 99, f0, 0f, 13), + be64_to_cpua(bf, e3, 75, 24, 49, ac, fb, c8), + be64_to_cpua(fc, 50, f6, 43, bd, 50, 82, 0e), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, { + .key = /* secp384r1(sha512) */ + "\x04\xb4\xe7\xc1\xeb\x64\x25\x22\x46\xc3\x86\x61\x80\xbe\x1e\x46" + "\xcb\xf6\x05\xc2\xee\x73\x83\xbc\xea\x30\x61\x4d\x40\x05\x41\xf4" + "\x8c\xe3\x0e\x5c\xf0\x50\xf2\x07\x19\xe8\x4f\x25\xbe\xee\x0c\x95" + "\x54\x36\x86\xec\xc2\x20\x75\xf3\x89\xb5\x11\xa1\xb7\xf5\xaf\xbe" + "\x81\xe4\xc3\x39\x06\xbd\xe4\xfe\x68\x1c\x6d\x99\x2b\x1b\x63\xfa" + "\xdf\x42\x5c\xc2\x5a\xc7\x0c\xf4\x15\xf7\x1b\xa3\x2e\xd7\x00\xac" + "\xa3", + .key_len = 97, + .m = + "\xe8\xb7\x52\x7d\x1a\x44\x20\x05\x53\x6b\x3a\x68\xf2\xe7\x6c\xa1" + "\xae\x9d\x84\xbb\xba\x52\x43\x3e\x2c\x42\x78\x49\xbf\x78\xb2\x71" + "\xeb\xe1\xe0\xe8\x42\x7b\x11\xad\x2b\x99\x05\x1d\x36\xe6\xac\xfc" + "\x55\x73\xf0\x15\x63\x39\xb8\x6a\x6a\xc5\x91\x5b\xca\x6a\xa8\x0e", + .m_size = 64, + .c = (const unsigned char[]){ + be64_to_cpua(3e, b3, c7, a8, b3, 17, 77, d1), + be64_to_cpua(dc, 2b, 43, 0e, 6a, b3, 53, 6f), + be64_to_cpua(4c, fc, 6f, 80, e3, af, b3, d9), + be64_to_cpua(9a, 02, de, 93, e8, 83, e4, 84), + be64_to_cpua(4d, c6, ef, da, 02, e7, 0f, 52), + be64_to_cpua(00, 1d, 20, 94, 77, fe, 31, fa), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(4e, 45, cf, 3c, 93, ff, 50, 5d), + be64_to_cpua(34, e4, 8b, 80, a5, b6, da, 2c), + be64_to_cpua(c4, 6a, 03, 5f, 8d, 7a, f9, fb), + be64_to_cpua(ec, 63, e3, 0c, ec, 50, dc, cc), + be64_to_cpua(de, 3a, 3d, 16, af, b4, 52, 6a), + be64_to_cpua(63, f6, f0, 3d, 5f, 5f, 99, 3f), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 00) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, +}; + +static const struct sig_testvec ecdsa_nist_p521_tv_template[] = { + { + .key = /* secp521r1(sha224) */ + "\x04\x01\x4f\x43\x18\xb6\xa9\xc9\x5d\x68\xd3\xa9\x42\xf8\x98\xc0" + "\xd2\xd1\xa9\x50\x3b\xe8\xc4\x40\xe6\x11\x78\x88\x4b\xbd\x76\xa7" + "\x9a\xe0\xdd\x31\xa4\x67\x78\x45\x33\x9e\x8c\xd1\xc7\x44\xac\x61" + "\x68\xc8\x04\xe7\x5c\x79\xb1\xf1\x41\x0c\x71\xc0\x53\xa8\xbc\xfb" + "\xf5\xca\xd4\x01\x40\xfd\xa3\x45\xda\x08\xe0\xb4\xcb\x28\x3b\x0a" + "\x02\x35\x5f\x02\x9f\x3f\xcd\xef\x08\x22\x40\x97\x74\x65\xb7\x76" + "\x85\xc7\xc0\x5c\xfb\x81\xe1\xa5\xde\x0c\x4e\x8b\x12\x31\xb6\x47" + "\xed\x37\x0f\x99\x3f\x26\xba\xa3\x8e\xff\x79\x34\x7c\x3a\xfe\x1f" + "\x3b\x83\x82\x2f\x14", + .key_len = 133, + .m = + "\xa2\x3a\x6a\x8c\x7b\x3c\xf2\x51\xf8\xbe\x5f\x4f\x3b\x15\x05\xc4" + "\xb5\xbc\x19\xe7\x21\x85\xe9\x23\x06\x33\x62\xfb", + .m_size = 28, + .c = (const unsigned char[]){ + be64_to_cpua(46, 6b, c7, af, 7a, b9, 19, 0a), + be64_to_cpua(6c, a6, 9b, 89, 8b, 1e, fd, 09), + be64_to_cpua(98, 85, 29, 88, ff, 0b, 94, 94), + be64_to_cpua(18, c6, 37, 8a, cb, a7, d8, 7d), + be64_to_cpua(f8, 3f, 59, 0f, 74, f0, 3f, d8), + be64_to_cpua(e2, ef, 07, 92, ee, 60, 94, 06), + be64_to_cpua(35, f6, dc, 6d, 02, 7b, 22, ac), + be64_to_cpua(d6, 43, e7, ff, 42, b2, ba, 74), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 01), + be64_to_cpua(50, b1, a5, 98, 92, 2a, a5, 52), + be64_to_cpua(1c, ad, 22, da, 82, 00, 35, a3), + be64_to_cpua(0e, 64, cc, c4, e8, 43, d9, 0e), + be64_to_cpua(30, 90, 0f, 1c, 8f, 78, d3, 9f), + be64_to_cpua(26, 0b, 5f, 49, 32, 6b, 91, 99), + be64_to_cpua(0f, f8, 65, 97, 6b, 09, 4d, 22), + be64_to_cpua(5e, f9, 88, f3, d2, 32, 90, 57), + be64_to_cpua(26, 0d, 55, cd, 23, 1e, 7d, a0), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 3a) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, + { + .key = /* secp521r1(sha256) */ + "\x04\x01\x05\x3a\x6b\x3b\x5a\x0f\xa7\xb9\xb7\x32\x53\x4e\xe2\xae" + "\x0a\x52\xc5\xda\xdd\x5a\x79\x1c\x30\x2d\x33\x07\x79\xd5\x70\x14" + "\x61\x0c\xec\x26\x4d\xd8\x35\x57\x04\x1d\x88\x33\x4d\xce\x05\x36" + "\xa5\xaf\x56\x84\xfa\x0b\x9e\xff\x7b\x30\x4b\x92\x1d\x06\xf8\x81" + "\x24\x1e\x51\x00\x09\x21\x51\xf7\x46\x0a\x77\xdb\xb5\x0c\xe7\x9c" + "\xff\x27\x3c\x02\x71\xd7\x85\x36\xf1\xaa\x11\x59\xd8\xb8\xdc\x09" + "\xdc\x6d\x5a\x6f\x63\x07\x6c\xe1\xe5\x4d\x6e\x0f\x6e\xfb\x7c\x05" + "\x8a\xe9\x53\xa8\xcf\xce\x43\x0e\x82\x20\x86\xbc\x88\x9c\xb7\xe3" + "\xe6\x77\x1e\x1f\x8a", + .key_len = 133, + .m = + "\xcc\x97\x73\x0c\x73\xa2\x53\x2b\xfa\xd7\x83\x1d\x0c\x72\x1b\x39" + "\x80\x71\x8d\xdd\xc5\x9b\xff\x55\x32\x98\x25\xa2\x58\x2e\xb7\x73", + .m_size = 32, + .c = (const unsigned char[]){ + be64_to_cpua(de, 7e, d7, 59, 10, e9, d9, d5), + be64_to_cpua(38, 1f, 46, 0b, 04, 64, 34, 79), + be64_to_cpua(ae, ce, 54, 76, 9a, c2, 8f, b8), + be64_to_cpua(95, 35, 6f, 02, 0e, af, e1, 4c), + be64_to_cpua(56, 3c, f6, f0, d8, e1, b7, 5d), + be64_to_cpua(50, 9f, 7d, 1f, ca, 8b, a8, 2d), + be64_to_cpua(06, 0f, fd, 83, fc, 0e, d9, ce), + be64_to_cpua(a5, 5f, 57, 52, 27, 78, 3a, b5), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, cd), + be64_to_cpua(55, 38, b6, f6, 34, 65, c7, bd), + be64_to_cpua(1c, 57, 56, 8f, 12, b7, 1d, 91), + be64_to_cpua(03, 42, 02, 5f, 50, f0, a2, 0d), + be64_to_cpua(fa, 10, dd, 9b, fb, 36, 1a, 31), + be64_to_cpua(e0, 87, 2c, 44, 4b, 5a, ee, af), + be64_to_cpua(a9, 79, 24, b9, 37, 35, dd, a0), + be64_to_cpua(6b, 35, ae, 65, b5, 99, 12, 0a), + be64_to_cpua(50, 85, 38, f9, 15, 83, 18, 04), + be64_to_cpua(00, 00, 00, 00, 00, 00, 01, cf) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, + { + .key = /* secp521r1(sha384) */ + "\x04\x00\x2e\xd6\x21\x04\x75\xc3\xdc\x7d\xff\x0e\xf3\x70\x25\x2b" + "\xad\x72\xfc\x5a\x91\xf1\xd5\x9c\x64\xf3\x1f\x47\x11\x10\x62\x33" + "\xfd\x2e\xe8\x32\xca\x9e\x6f\x0a\x4c\x5b\x35\x9a\x46\xc5\xe7\xd4" + "\x38\xda\xb2\xf0\xf4\x87\xf3\x86\xf4\xea\x70\xad\x1e\xd4\x78\x8c" + "\x36\x18\x17\x00\xa2\xa0\x34\x1b\x2e\x6a\xdf\x06\xd6\x99\x2d\x47" + "\x50\x92\x1a\x8a\x72\x9c\x23\x44\xfa\xa7\xa9\xed\xa6\xef\x26\x14" + "\xb3\x9d\xfe\x5e\xa3\x8c\xd8\x29\xf8\xdf\xad\xa6\xab\xfc\xdd\x46" + "\x22\x6e\xd7\x35\xc7\x23\xb7\x13\xae\xb6\x34\xff\xd7\x80\xe5\x39" + "\xb3\x3b\x5b\x1b\x94", + .key_len = 133, + .m = + "\x36\x98\xd6\x82\xfa\xad\xed\x3c\xb9\x40\xb6\x4d\x9e\xb7\x04\x26" + "\xad\x72\x34\x44\xd2\x81\xb4\x9b\xbe\x01\x04\x7a\xd8\x50\xf8\x59" + "\xba\xad\x23\x85\x6b\x59\xbe\xfb\xf6\x86\xd4\x67\xa8\x43\x28\x76", + .m_size = 48, + .c = (const unsigned char[]){ + be64_to_cpua(b8, 6a, dd, fb, e6, 63, 4e, 28), + be64_to_cpua(84, 59, fd, 1a, c4, 40, dd, 43), + be64_to_cpua(32, 76, 06, d0, f9, c0, e4, e6), + be64_to_cpua(e4, df, 9b, 7d, 9e, 47, ca, 33), + be64_to_cpua(7e, 42, 71, 86, 57, 2d, f1, 7d), + be64_to_cpua(f2, 4b, 64, 98, f7, ec, da, c7), + be64_to_cpua(ec, 51, dc, e8, 35, 5e, ae, 16), + be64_to_cpua(96, 76, 3c, 27, ea, aa, 9c, 26), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, 93), + be64_to_cpua(c6, 4f, ab, 2b, 62, c1, 42, b1), + be64_to_cpua(e5, 5a, 94, 56, cf, 8f, b4, 22), + be64_to_cpua(6a, c3, f3, 7a, d1, fa, e7, a7), + be64_to_cpua(df, c4, c0, db, 54, db, 8a, 0d), + be64_to_cpua(da, a7, cd, 26, 28, 76, 3b, 52), + be64_to_cpua(e4, 3c, bc, 93, 65, 57, 1c, 30), + be64_to_cpua(55, ce, 37, 97, c9, 05, 51, e5), + be64_to_cpua(c3, 6a, 87, 6e, b5, 13, 1f, 20), + be64_to_cpua(00, 00, 00, 00, 00, 00, 00, ff) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, + { + .key = /* secp521r1(sha512) */ + "\x04\x00\xc7\x65\xee\x0b\x86\x7d\x8f\x02\xf1\x74\x5b\xb0\x4c\x3f" + "\xa6\x35\x60\x9f\x55\x23\x11\xcc\xdf\xb8\x42\x99\xee\x6c\x96\x6a" + "\x27\xa2\x56\xb2\x2b\x03\xad\x0f\xe7\x97\xde\x09\x5d\xb4\xc5\x5f" + "\xbd\x87\x37\xbf\x5a\x16\x35\x56\x08\xfd\x6f\x06\x1a\x1c\x84\xee" + "\xc3\x64\xb3\x00\x9e\xbd\x6e\x60\x76\xee\x69\xfd\x3a\xb8\xcd\x7e" + "\x91\x68\x53\x57\x44\x13\x2e\x77\x09\x2a\xbe\x48\xbd\x91\xd8\xf6" + "\x21\x16\x53\x99\xd5\xf0\x40\xad\xa6\xf8\x58\x26\xb6\x9a\xf8\x77" + "\xfe\x3a\x05\x1a\xdb\xa9\x0f\xc0\x6c\x76\x30\x8c\xd8\xde\x44\xae" + "\xd0\x17\xdf\x49\x6a", + .key_len = 133, + .m = + "\x5c\xa6\xbc\x79\xb8\xa0\x1e\x11\x83\xf7\xe9\x05\xdf\xba\xf7\x69" + "\x97\x22\x32\xe4\x94\x7c\x65\xbd\x74\xc6\x9a\x8b\xbd\x0d\xdc\xed" + "\xf5\x9c\xeb\xe1\xc5\x68\x40\xf2\xc7\x04\xde\x9e\x0d\x76\xc5\xa3" + "\xf9\x3c\x6c\x98\x08\x31\xbd\x39\xe8\x42\x7f\x80\x39\x6f\xfe\x68", + .m_size = 64, + .c = (const unsigned char[]){ + be64_to_cpua(28, b5, 04, b0, b6, 33, 1c, 7e), + be64_to_cpua(80, a6, 13, fc, b6, 90, f7, bb), + be64_to_cpua(27, 93, e8, 6c, 49, 7d, 28, fc), + be64_to_cpua(1f, 12, 3e, b7, 7e, 51, ff, 7f), + be64_to_cpua(fb, 62, 1e, 42, 03, 6c, 74, 8a), + be64_to_cpua(63, 0e, 02, cc, 94, a9, 05, b9), + be64_to_cpua(aa, 86, ec, a8, 05, 03, 52, 56), + be64_to_cpua(71, 86, 96, ac, 21, 33, 7e, 4e), + be64_to_cpua(00, 00, 00, 00, 00, 00, 01, 5c), + be64_to_cpua(46, 1e, 77, 44, 78, e0, d1, 04), + be64_to_cpua(72, 74, 13, 63, 39, a6, e5, 25), + be64_to_cpua(00, 55, bb, 6a, b4, 73, 00, d2), + be64_to_cpua(71, d0, e9, ca, a7, c0, cb, aa), + be64_to_cpua(7a, 76, 37, 51, 47, 49, 98, 12), + be64_to_cpua(88, 05, 3e, 43, 39, 01, bd, b7), + be64_to_cpua(95, 35, 89, 4f, 41, 5f, 9e, 19), + be64_to_cpua(43, 52, 1d, e3, c6, bd, 5a, 40), + be64_to_cpua(00, 00, 00, 00, 00, 00, 01, 70) }, + .c_size = ECC_MAX_BYTES * 2, + .public_key_vec = true, + }, +}; + +/* + * ECDSA X9.62 test vectors. + * + * Identical to ECDSA test vectors, except signature in "c" is X9.62 encoded. + */ +static const struct sig_testvec x962_ecdsa_nist_p192_tv_template[] = { + { + .key = /* secp192r1(sha1) */ "\x04\xf7\x46\xf8\x2f\x15\xf6\x22\x8e\xd7\x57\x4f\xcc\xe7\xbb\xc1" "\xd4\x09\x73\xcf\xea\xd0\x15\x07\x3d\xa5\x8a\x8a\x95\x43\xe4\x68" "\xea\xc6\x25\xc1\xc1\x01\x25\x4c\x7e\xc3\x3c\xa6\x04\x0a\xe7\x08" "\x98", .key_len = 49, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x01", - .param_len = 21, .m = "\xcd\xb9\xd2\x1c\xb7\x6f\xcd\x44\xb3\xfd\x63\xea\xa3\x66\x7f\xae" "\x63\x85\xe7\x82", .m_size = 20, - .algo = OID_id_ecdsa_with_sha1, .c = "\x30\x35\x02\x19\x00\xba\xe5\x93\x83\x6e\xb6\x3b\x63\xa0\x27\x91" "\xc6\xf6\x7f\xc3\x09\xad\x59\xad\x88\x27\xd6\x92\x6b\x02\x18\x10" @@ -674,23 +1356,17 @@ static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = { "\x80\x6f\xa5\x79\x77\xda\xd0", .c_size = 55, .public_key_vec = true, - .siggen_sigver_test = true, }, { - .key = + .key = /* secp192r1(sha224) */ "\x04\xb6\x4b\xb1\xd1\xac\xba\x24\x8f\x65\xb2\x60\x00\x90\xbf\xbd" "\x78\x05\x73\xe9\x79\x1d\x6f\x7c\x0b\xd2\xc3\x93\xa7\x28\xe1\x75" "\xf7\xd5\x95\x1d\x28\x10\xc0\x75\x50\x5c\x1a\x4f\x3f\x8f\xa5\xee" "\xa3", .key_len = 49, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x01", - .param_len = 21, .m = "\x8d\xd6\xb8\x3e\xe5\xff\x23\xf6\x25\xa2\x43\x42\x74\x45\xa7\x40" "\x3a\xff\x2f\xe1\xd3\xf6\x9f\xe8\x33\xcb\x12\x11", .m_size = 28, - .algo = OID_id_ecdsa_with_sha224, .c = "\x30\x34\x02\x18\x5a\x8b\x82\x69\x7e\x8a\x0a\x09\x14\xf8\x11\x2b" "\x55\xdc\xae\x37\x83\x7b\x12\xe6\xb6\x5b\xcb\xd4\x02\x18\x6a\x14" @@ -698,23 +1374,17 @@ static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = { "\x5c\x99\xdb\x92\x5b\x36", .c_size = 54, .public_key_vec = true, - .siggen_sigver_test = true, }, { - .key = + .key = /* secp192r1(sha256) */ "\x04\xe2\x51\x24\x9b\xf7\xb6\x32\x82\x39\x66\x3d\x5b\xec\x3b\xae" "\x0c\xd5\xf2\x67\xd1\xc7\xe1\x02\xe4\xbf\x90\x62\xb8\x55\x75\x56" "\x69\x20\x5e\xcb\x4e\xca\x33\xd6\xcb\x62\x6b\x94\xa9\xa2\xe9\x58" "\x91", .key_len = 49, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x01", - .param_len = 21, .m = "\x35\xec\xa1\xa0\x9e\x14\xde\x33\x03\xb6\xf6\xbd\x0c\x2f\xb2\xfd" "\x1f\x27\x82\xa5\xd7\x70\x3f\xef\xa0\x82\x69\x8e\x73\x31\x8e\xd7", .m_size = 32, - .algo = OID_id_ecdsa_with_sha256, .c = "\x30\x35\x02\x18\x3f\x72\x3f\x1f\x42\xd2\x3f\x1d\x6b\x1a\x58\x56" "\xf1\x8f\xf7\xfd\x01\x48\xfb\x5f\x72\x2a\xd4\x8f\x02\x19\x00\xb3" @@ -722,24 +1392,18 @@ static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = { "\x3a\x97\xd9\xcd\x1a\x6a\x49", .c_size = 55, .public_key_vec = true, - .siggen_sigver_test = true, }, { - .key = + .key = /* secp192r1(sha384) */ "\x04\x5a\x13\xfe\x68\x86\x4d\xf4\x17\xc7\xa4\xe5\x8c\x65\x57\xb7" "\x03\x73\x26\x57\xfb\xe5\x58\x40\xd8\xfd\x49\x05\xab\xf1\x66\x1f" "\xe2\x9d\x93\x9e\xc2\x22\x5a\x8b\x4f\xf3\x77\x22\x59\x7e\xa6\x4e" "\x8b", .key_len = 49, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x01", - .param_len = 21, .m = "\x9d\x2e\x1a\x8f\xed\x6c\x4b\x61\xae\xac\xd5\x19\x79\xce\x67\xf9" "\xa0\x34\xeb\xb0\x81\xf9\xd9\xdc\x6e\xb3\x5c\xa8\x69\xfc\x8a\x61" "\x39\x81\xfb\xfd\x5c\x30\x6b\xa8\xee\xed\x89\xaf\xa3\x05\xe4\x78", .m_size = 48, - .algo = OID_id_ecdsa_with_sha384, .c = "\x30\x35\x02\x19\x00\xf0\xa3\x38\xce\x2b\xf8\x9d\x1a\xcf\x7f\x34" "\xb4\xb4\xe5\xc5\x00\xdd\x15\xbb\xd6\x8c\xa7\x03\x78\x02\x18\x64" @@ -747,25 +1411,19 @@ static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = { "\x12\x3b\x3b\x28\xfb\x6d\xe1", .c_size = 55, .public_key_vec = true, - .siggen_sigver_test = true, }, { - .key = + .key = /* secp192r1(sha512) */ "\x04\xd5\xf2\x6e\xc3\x94\x5c\x52\xbc\xdf\x86\x6c\x14\xd1\xca\xea" "\xcc\x72\x3a\x8a\xf6\x7a\x3a\x56\x36\x3b\xca\xc6\x94\x0e\x17\x1d" "\x9e\xa0\x58\x28\xf9\x4b\xe6\xd1\xa5\x44\x91\x35\x0d\xe7\xf5\x11" "\x57", .key_len = 49, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x01", - .param_len = 21, .m = "\xd5\x4b\xe9\x36\xda\xd8\x6e\xc0\x50\x03\xbe\x00\x43\xff\xf0\x23" "\xac\xa2\x42\xe7\x37\x77\x79\x52\x8f\x3e\xc0\x16\xc1\xfc\x8c\x67" "\x16\xbc\x8a\x5d\x3b\xd3\x13\xbb\xb6\xc0\x26\x1b\xeb\x33\xcc\x70" "\x4a\xf2\x11\x37\xe8\x1b\xba\x55\xac\x69\xe1\x74\x62\x7c\x6e\xb5", .m_size = 64, - .algo = OID_id_ecdsa_with_sha512, .c = "\x30\x35\x02\x19\x00\x88\x5b\x8f\x59\x43\xbf\xcf\xc6\xdd\x3f\x07" "\x87\x12\xa0\xd4\xac\x2b\x11\x2d\x1c\xb6\x06\xc9\x6c\x02\x18\x73" @@ -773,28 +1431,22 @@ static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = { "\x6a\xdf\x97\xfd\x82\x76\x24", .c_size = 55, .public_key_vec = true, - .siggen_sigver_test = true, }, }; -static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = { +static const struct sig_testvec x962_ecdsa_nist_p256_tv_template[] = { { - .key = + .key = /* secp256r1(sha1) */ "\x04\xb9\x7b\xbb\xd7\x17\x64\xd2\x7e\xfc\x81\x5d\x87\x06\x83\x41" "\x22\xd6\x9a\xaa\x87\x17\xec\x4f\x63\x55\x2f\x94\xba\xdd\x83\xe9" "\x34\x4b\xf3\xe9\x91\x13\x50\xb6\xcb\xca\x62\x08\xe7\x3b\x09\xdc" "\xc3\x63\x4b\x2d\xb9\x73\x53\xe4\x45\xe6\x7c\xad\xe7\x6b\xb0\xe8" "\xaf", .key_len = 65, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x07", - .param_len = 21, .m = "\xc2\x2b\x5f\x91\x78\x34\x26\x09\x42\x8d\x6f\x51\xb2\xc5\xaf\x4c" "\x0b\xde\x6a\x42", .m_size = 20, - .algo = OID_id_ecdsa_with_sha1, .c = "\x30\x46\x02\x21\x00\xf9\x25\xce\x9f\x3a\xa6\x35\x81\xcf\xd4\xe7" "\xb7\xf0\x82\x56\x41\xf7\xd4\xad\x8d\x94\x5a\x69\x89\xee\xca\x6a" @@ -803,24 +1455,18 @@ static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = { "\xfb\x9d\x8b\xde\xd4\x8d\x6f\xad", .c_size = 72, .public_key_vec = true, - .siggen_sigver_test = true, }, { - .key = + .key = /* secp256r1(sha224) */ "\x04\x8b\x6d\xc0\x33\x8e\x2d\x8b\x67\xf5\xeb\xc4\x7f\xa0\xf5\xd9" "\x7b\x03\xa5\x78\x9a\xb5\xea\x14\xe4\x23\xd0\xaf\xd7\x0e\x2e\xa0" "\xc9\x8b\xdb\x95\xf8\xb3\xaf\xac\x00\x2c\x2c\x1f\x7a\xfd\x95\x88" "\x43\x13\xbf\xf3\x1c\x05\x1a\x14\x18\x09\x3f\xd6\x28\x3e\xc5\xa0" "\xd4", .key_len = 65, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x07", - .param_len = 21, .m = "\x1a\x15\xbc\xa3\xe4\xed\x3a\xb8\x23\x67\xc6\xc4\x34\xf8\x6c\x41" "\x04\x0b\xda\xc5\x77\xfa\x1c\x2d\xe6\x2c\x3b\xe0", .m_size = 28, - .algo = OID_id_ecdsa_with_sha224, .c = "\x30\x44\x02\x20\x20\x43\xfa\xc0\x9f\x9d\x7b\xe7\xae\xce\x77\x59" "\x1a\xdb\x59\xd5\x34\x62\x79\xcb\x6a\x91\x67\x2e\x7d\x25\xd8\x25" @@ -829,24 +1475,18 @@ static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = { "\x2e\x8b\xde\x5a\x04\x0e", .c_size = 70, .public_key_vec = true, - .siggen_sigver_test = true, }, { - .key = + .key = /* secp256r1(sha256) */ "\x04\xf1\xea\xc4\x53\xf3\xb9\x0e\x9f\x7e\xad\xe3\xea\xd7\x0e\x0f" "\xd6\x98\x9a\xca\x92\x4d\x0a\x80\xdb\x2d\x45\xc7\xec\x4b\x97\x00" "\x2f\xe9\x42\x6c\x29\xdc\x55\x0e\x0b\x53\x12\x9b\x2b\xad\x2c\xe9" "\x80\xe6\xc5\x43\xc2\x1d\x5e\xbb\x65\x21\x50\xb6\x37\xb0\x03\x8e" "\xb8", .key_len = 65, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x07", - .param_len = 21, .m = "\x8f\x43\x43\x46\x64\x8f\x6b\x96\xdf\x89\xdd\xa9\x01\xc5\x17\x6b" "\x10\xa6\xd8\x39\x61\xdd\x3c\x1a\xc8\x8b\x59\xb2\xdc\x32\x7a\xa4", .m_size = 32, - .algo = OID_id_ecdsa_with_sha256, .c = "\x30\x45\x02\x20\x08\x31\xfa\x74\x0d\x1d\x21\x5d\x09\xdc\x29\x63" "\xa8\x1a\xad\xfc\xac\x44\xc3\xe8\x24\x11\x2d\xa4\x91\xdc\x02\x67" @@ -855,25 +1495,19 @@ static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = { "\x2a\x65\x35\x23\xe3\x1d\xfa", .c_size = 71, .public_key_vec = true, - .siggen_sigver_test = true, }, { - .key = + .key = /* secp256r1(sha384) */ "\x04\xc5\xc6\xea\x60\xc9\xce\xad\x02\x8d\xf5\x3e\x24\xe3\x52\x1d" "\x28\x47\x3b\xc3\x6b\xa4\x99\x35\x99\x11\x88\x88\xc8\xf4\xee\x7e" "\x8c\x33\x8f\x41\x03\x24\x46\x2b\x1a\x82\xf9\x9f\xe1\x97\x1b\x00" "\xda\x3b\x24\x41\xf7\x66\x33\x58\x3d\x3a\x81\xad\xcf\x16\xe9\xe2" "\x7c", .key_len = 65, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x07", - .param_len = 21, .m = "\x3e\x78\x70\xfb\xcd\x66\xba\x91\xa1\x79\xff\x1e\x1c\x6b\x78\xe6" "\xc0\x81\x3a\x65\x97\x14\x84\x36\x14\x1a\x9a\xb7\xc5\xab\x84\x94" "\x5e\xbb\x1b\x34\x71\xcb\x41\xe1\xf6\xfc\x92\x7b\x34\xbb\x86\xbb", .m_size = 48, - .algo = OID_id_ecdsa_with_sha384, .c = "\x30\x46\x02\x21\x00\x8e\xf3\x6f\xdc\xf8\x69\xa6\x2e\xd0\x2e\x95" "\x54\xd1\x95\x64\x93\x08\xb2\x6b\x24\x94\x48\x46\x5e\xf2\xe4\x6c" @@ -882,26 +1516,20 @@ static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = { "\xc0\x60\x11\x92\xdc\x17\x89\x12", .c_size = 72, .public_key_vec = true, - .siggen_sigver_test = true, }, { - .key = + .key = /* secp256r1(sha512) */ "\x04\xd7\x27\x46\x49\xf6\x26\x85\x12\x40\x76\x8e\xe2\xe6\x2a\x7a" "\x83\xb1\x4e\x7a\xeb\x3b\x5c\x67\x4a\xb5\xa4\x92\x8c\x69\xff\x38" "\xee\xd9\x4e\x13\x29\x59\xad\xde\x6b\xbb\x45\x31\xee\xfd\xd1\x1b" "\x64\xd3\xb5\xfc\xaf\x9b\x4b\x88\x3b\x0e\xb7\xd6\xdf\xf1\xd5\x92" "\xbf", .key_len = 65, - .params = - "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" - "\xce\x3d\x03\x01\x07", - .param_len = 21, .m = "\x57\xb7\x9e\xe9\x05\x0a\x8c\x1b\xc9\x13\xe5\x4a\x24\xc7\xe2\xe9" "\x43\xc3\xd1\x76\x62\xf4\x98\x1a\x9c\x13\xb0\x20\x1b\xe5\x39\xca" "\x4f\xd9\x85\x34\x95\xa2\x31\xbc\xbb\xde\xdd\x76\xbb\x61\xe3\xcf" "\x9d\xc0\x49\x7a\xf3\x7a\xc4\x7d\xa8\x04\x4b\x8d\xb4\x4d\x5b\xd6", .m_size = 64, - .algo = OID_id_ecdsa_with_sha512, .c = "\x30\x45\x02\x21\x00\xb8\x6d\x87\x81\x43\xdf\xfb\x9f\x40\xea\x44" "\x81\x00\x4e\x29\x08\xed\x8c\x73\x30\x6c\x22\xb3\x97\x76\xf6\x04" @@ -910,11 +1538,10 @@ static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = { "\x31\x79\x4a\xe9\x81\x6a\xee", .c_size = 71, .public_key_vec = true, - .siggen_sigver_test = true, }, }; -static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { +static const struct sig_testvec x962_ecdsa_nist_p384_tv_template[] = { { .key = /* secp384r1(sha1) */ "\x04\x89\x25\xf3\x97\x88\xcb\xb0\x78\xc5\x72\x9a\x14\x6e\x7a\xb1" @@ -925,15 +1552,10 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\x0b\x25\xd6\x80\x5c\x3b\xe6\x1a\x98\x48\x91\x45\x7a\x73\xb0\xc3" "\xf1", .key_len = 97, - .params = - "\x30\x10\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x05\x2b\x81\x04" - "\x00\x22", - .param_len = 18, .m = "\x12\x55\x28\xf0\x77\xd5\xb6\x21\x71\x32\x48\xcd\x28\xa8\x25\x22" "\x3a\x69\xc1\x93", .m_size = 20, - .algo = OID_id_ecdsa_with_sha1, .c = "\x30\x66\x02\x31\x00\xf5\x0f\x24\x4c\x07\x93\x6f\x21\x57\x55\x07" "\x20\x43\x30\xde\xa0\x8d\x26\x8e\xae\x63\x3f\xbc\x20\x3a\xc6\xf1" @@ -944,7 +1566,6 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\x79\x12\x2a\xb7\xc5\x15\x92\xc5", .c_size = 104, .public_key_vec = true, - .siggen_sigver_test = true, }, { .key = /* secp384r1(sha224) */ "\x04\x69\x6c\xcf\x62\xee\xd0\x0d\xe5\xb5\x2f\x70\x54\xcf\x26\xa0" @@ -955,15 +1576,10 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\x6b\x93\x99\x6c\x66\x4c\x42\x3f\x65\x60\x6c\x1c\x0b\x93\x9b\x9d" "\xe0", .key_len = 97, - .params = - "\x30\x10\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x05\x2b\x81\x04" - "\x00\x22", - .param_len = 18, .m = "\x12\x80\xb6\xeb\x25\xe2\x3d\xf0\x21\x32\x96\x17\x3a\x38\x39\xfd" "\x1f\x05\x34\x7b\xb8\xf9\x71\x66\x03\x4f\xd5\xe5", .m_size = 28, - .algo = OID_id_ecdsa_with_sha224, .c = "\x30\x66\x02\x31\x00\x8a\x51\x84\xce\x13\x1e\xd2\xdc\xec\xcb\xe4" "\x89\x47\xb2\xf7\xbc\x97\xf1\xc8\x72\x26\xcf\x5a\x5e\xc5\xda\xb4" @@ -974,7 +1590,6 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\x88\x2b\x82\x26\x5e\x1c\xda\xfb", .c_size = 104, .public_key_vec = true, - .siggen_sigver_test = true, }, { .key = /* secp384r1(sha256) */ "\x04\xee\xd6\xda\x3e\x94\x90\x00\x27\xed\xf8\x64\x55\xd6\x51\x9a" @@ -985,15 +1600,10 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\x17\xc3\x34\x29\xd6\x40\xea\x5c\xb9\x3f\xfb\x32\x2e\x12\x33\xbc" "\xab", .key_len = 97, - .params = - "\x30\x10\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x05\x2b\x81\x04" - "\x00\x22", - .param_len = 18, .m = "\xaa\xe7\xfd\x03\x26\xcb\x94\x71\xe4\xce\x0f\xc5\xff\xa6\x29\xa3" "\xe1\xcc\x4c\x35\x4e\xde\xca\x80\xab\x26\x0c\x25\xe6\x68\x11\xc2", .m_size = 32, - .algo = OID_id_ecdsa_with_sha256, .c = "\x30\x64\x02\x30\x08\x09\x12\x9d\x6e\x96\x64\xa6\x8e\x3f\x7e\xce" "\x0a\x9b\xaa\x59\xcc\x47\x53\x87\xbc\xbd\x83\x3f\xaf\x06\x3f\x84" @@ -1004,7 +1614,6 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\xf4\x1f\x39\xca\x4d\x43", .c_size = 102, .public_key_vec = true, - .siggen_sigver_test = true, }, { .key = /* secp384r1(sha384) */ "\x04\x3a\x2f\x62\xe7\x1a\xcf\x24\xd0\x0b\x7c\xe0\xed\x46\x0a\x4f" @@ -1015,16 +1624,11 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\x21\x67\xe5\x1b\x5a\x52\x31\x68\xd6\xee\xf0\x19\xb0\x55\xed\x89" "\x9e", .key_len = 97, - .params = - "\x30\x10\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x05\x2b\x81\x04" - "\x00\x22", - .param_len = 18, .m = "\x8d\xf2\xc0\xe9\xa8\xf3\x8e\x44\xc4\x8c\x1a\xa0\xb8\xd7\x17\xdf" "\xf2\x37\x1b\xc6\xe3\xf5\x62\xcc\x68\xf5\xd5\x0b\xbf\x73\x2b\xb1" "\xb0\x4c\x04\x00\x31\xab\xfe\xc8\xd6\x09\xc8\xf2\xea\xd3\x28\xff", .m_size = 48, - .algo = OID_id_ecdsa_with_sha384, .c = "\x30\x66\x02\x31\x00\x9b\x28\x68\xc0\xa1\xea\x8c\x50\xee\x2e\x62" "\x35\x46\xfa\x00\xd8\x2d\x7a\x91\x5f\x49\x2d\x22\x08\x29\xe6\xfb" @@ -1035,7 +1639,6 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\xab\x8d\x4e\xde\xe6\x6d\x9b\x66", .c_size = 104, .public_key_vec = true, - .siggen_sigver_test = true, }, { .key = /* secp384r1(sha512) */ "\x04\xb4\xe7\xc1\xeb\x64\x25\x22\x46\xc3\x86\x61\x80\xbe\x1e\x46" @@ -1046,17 +1649,12 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\xdf\x42\x5c\xc2\x5a\xc7\x0c\xf4\x15\xf7\x1b\xa3\x2e\xd7\x00\xac" "\xa3", .key_len = 97, - .params = - "\x30\x10\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x05\x2b\x81\x04" - "\x00\x22", - .param_len = 18, .m = "\xe8\xb7\x52\x7d\x1a\x44\x20\x05\x53\x6b\x3a\x68\xf2\xe7\x6c\xa1" "\xae\x9d\x84\xbb\xba\x52\x43\x3e\x2c\x42\x78\x49\xbf\x78\xb2\x71" "\xeb\xe1\xe0\xe8\x42\x7b\x11\xad\x2b\x99\x05\x1d\x36\xe6\xac\xfc" "\x55\x73\xf0\x15\x63\x39\xb8\x6a\x6a\xc5\x91\x5b\xca\x6a\xa8\x0e", .m_size = 64, - .algo = OID_id_ecdsa_with_sha512, .c = "\x30\x63\x02\x2f\x1d\x20\x94\x77\xfe\x31\xfa\x4d\xc6\xef\xda\x02" "\xe7\x0f\x52\x9a\x02\xde\x93\xe8\x83\xe4\x84\x4c\xfc\x6f\x80\xe3" @@ -1067,14 +1665,163 @@ static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { "\x3c\x93\xff\x50\x5d", .c_size = 101, .public_key_vec = true, - .siggen_sigver_test = true, + }, +}; + +static const struct sig_testvec x962_ecdsa_nist_p521_tv_template[] = { + { + .key = /* secp521r1(sha224) */ + "\x04\x01\x4f\x43\x18\xb6\xa9\xc9\x5d\x68\xd3\xa9\x42\xf8\x98\xc0" + "\xd2\xd1\xa9\x50\x3b\xe8\xc4\x40\xe6\x11\x78\x88\x4b\xbd\x76\xa7" + "\x9a\xe0\xdd\x31\xa4\x67\x78\x45\x33\x9e\x8c\xd1\xc7\x44\xac\x61" + "\x68\xc8\x04\xe7\x5c\x79\xb1\xf1\x41\x0c\x71\xc0\x53\xa8\xbc\xfb" + "\xf5\xca\xd4\x01\x40\xfd\xa3\x45\xda\x08\xe0\xb4\xcb\x28\x3b\x0a" + "\x02\x35\x5f\x02\x9f\x3f\xcd\xef\x08\x22\x40\x97\x74\x65\xb7\x76" + "\x85\xc7\xc0\x5c\xfb\x81\xe1\xa5\xde\x0c\x4e\x8b\x12\x31\xb6\x47" + "\xed\x37\x0f\x99\x3f\x26\xba\xa3\x8e\xff\x79\x34\x7c\x3a\xfe\x1f" + "\x3b\x83\x82\x2f\x14", + .key_len = 133, + .m = + "\xa2\x3a\x6a\x8c\x7b\x3c\xf2\x51\xf8\xbe\x5f\x4f\x3b\x15\x05\xc4" + "\xb5\xbc\x19\xe7\x21\x85\xe9\x23\x06\x33\x62\xfb", + .m_size = 28, + .c = + "\x30\x81\x86\x02\x41\x01\xd6\x43\xe7\xff\x42\xb2\xba\x74\x35\xf6" + "\xdc\x6d\x02\x7b\x22\xac\xe2\xef\x07\x92\xee\x60\x94\x06\xf8\x3f" + "\x59\x0f\x74\xf0\x3f\xd8\x18\xc6\x37\x8a\xcb\xa7\xd8\x7d\x98\x85" + "\x29\x88\xff\x0b\x94\x94\x6c\xa6\x9b\x89\x8b\x1e\xfd\x09\x46\x6b" + "\xc7\xaf\x7a\xb9\x19\x0a\x02\x41\x3a\x26\x0d\x55\xcd\x23\x1e\x7d" + "\xa0\x5e\xf9\x88\xf3\xd2\x32\x90\x57\x0f\xf8\x65\x97\x6b\x09\x4d" + "\x22\x26\x0b\x5f\x49\x32\x6b\x91\x99\x30\x90\x0f\x1c\x8f\x78\xd3" + "\x9f\x0e\x64\xcc\xc4\xe8\x43\xd9\x0e\x1c\xad\x22\xda\x82\x00\x35" + "\xa3\x50\xb1\xa5\x98\x92\x2a\xa5\x52", + .c_size = 137, + .public_key_vec = true, + }, + { + .key = /* secp521r1(sha256) */ + "\x04\x01\x05\x3a\x6b\x3b\x5a\x0f\xa7\xb9\xb7\x32\x53\x4e\xe2\xae" + "\x0a\x52\xc5\xda\xdd\x5a\x79\x1c\x30\x2d\x33\x07\x79\xd5\x70\x14" + "\x61\x0c\xec\x26\x4d\xd8\x35\x57\x04\x1d\x88\x33\x4d\xce\x05\x36" + "\xa5\xaf\x56\x84\xfa\x0b\x9e\xff\x7b\x30\x4b\x92\x1d\x06\xf8\x81" + "\x24\x1e\x51\x00\x09\x21\x51\xf7\x46\x0a\x77\xdb\xb5\x0c\xe7\x9c" + "\xff\x27\x3c\x02\x71\xd7\x85\x36\xf1\xaa\x11\x59\xd8\xb8\xdc\x09" + "\xdc\x6d\x5a\x6f\x63\x07\x6c\xe1\xe5\x4d\x6e\x0f\x6e\xfb\x7c\x05" + "\x8a\xe9\x53\xa8\xcf\xce\x43\x0e\x82\x20\x86\xbc\x88\x9c\xb7\xe3" + "\xe6\x77\x1e\x1f\x8a", + .key_len = 133, + .m = + "\xcc\x97\x73\x0c\x73\xa2\x53\x2b\xfa\xd7\x83\x1d\x0c\x72\x1b\x39" + "\x80\x71\x8d\xdd\xc5\x9b\xff\x55\x32\x98\x25\xa2\x58\x2e\xb7\x73", + .m_size = 32, + .c = + "\x30\x81\x88\x02\x42\x00\xcd\xa5\x5f\x57\x52\x27\x78\x3a\xb5\x06" + "\x0f\xfd\x83\xfc\x0e\xd9\xce\x50\x9f\x7d\x1f\xca\x8b\xa8\x2d\x56" + "\x3c\xf6\xf0\xd8\xe1\xb7\x5d\x95\x35\x6f\x02\x0e\xaf\xe1\x4c\xae" + "\xce\x54\x76\x9a\xc2\x8f\xb8\x38\x1f\x46\x0b\x04\x64\x34\x79\xde" + "\x7e\xd7\x59\x10\xe9\xd9\xd5\x02\x42\x01\xcf\x50\x85\x38\xf9\x15" + "\x83\x18\x04\x6b\x35\xae\x65\xb5\x99\x12\x0a\xa9\x79\x24\xb9\x37" + "\x35\xdd\xa0\xe0\x87\x2c\x44\x4b\x5a\xee\xaf\xfa\x10\xdd\x9b\xfb" + "\x36\x1a\x31\x03\x42\x02\x5f\x50\xf0\xa2\x0d\x1c\x57\x56\x8f\x12" + "\xb7\x1d\x91\x55\x38\xb6\xf6\x34\x65\xc7\xbd", + .c_size = 139, + .public_key_vec = true, + }, + { + .key = /* secp521r1(sha384) */ + "\x04\x00\x2e\xd6\x21\x04\x75\xc3\xdc\x7d\xff\x0e\xf3\x70\x25\x2b" + "\xad\x72\xfc\x5a\x91\xf1\xd5\x9c\x64\xf3\x1f\x47\x11\x10\x62\x33" + "\xfd\x2e\xe8\x32\xca\x9e\x6f\x0a\x4c\x5b\x35\x9a\x46\xc5\xe7\xd4" + "\x38\xda\xb2\xf0\xf4\x87\xf3\x86\xf4\xea\x70\xad\x1e\xd4\x78\x8c" + "\x36\x18\x17\x00\xa2\xa0\x34\x1b\x2e\x6a\xdf\x06\xd6\x99\x2d\x47" + "\x50\x92\x1a\x8a\x72\x9c\x23\x44\xfa\xa7\xa9\xed\xa6\xef\x26\x14" + "\xb3\x9d\xfe\x5e\xa3\x8c\xd8\x29\xf8\xdf\xad\xa6\xab\xfc\xdd\x46" + "\x22\x6e\xd7\x35\xc7\x23\xb7\x13\xae\xb6\x34\xff\xd7\x80\xe5\x39" + "\xb3\x3b\x5b\x1b\x94", + .key_len = 133, + .m = + "\x36\x98\xd6\x82\xfa\xad\xed\x3c\xb9\x40\xb6\x4d\x9e\xb7\x04\x26" + "\xad\x72\x34\x44\xd2\x81\xb4\x9b\xbe\x01\x04\x7a\xd8\x50\xf8\x59" + "\xba\xad\x23\x85\x6b\x59\xbe\xfb\xf6\x86\xd4\x67\xa8\x43\x28\x76", + .m_size = 48, + .c = + "\x30\x81\x88\x02\x42\x00\x93\x96\x76\x3c\x27\xea\xaa\x9c\x26\xec" + "\x51\xdc\xe8\x35\x5e\xae\x16\xf2\x4b\x64\x98\xf7\xec\xda\xc7\x7e" + "\x42\x71\x86\x57\x2d\xf1\x7d\xe4\xdf\x9b\x7d\x9e\x47\xca\x33\x32" + "\x76\x06\xd0\xf9\xc0\xe4\xe6\x84\x59\xfd\x1a\xc4\x40\xdd\x43\xb8" + "\x6a\xdd\xfb\xe6\x63\x4e\x28\x02\x42\x00\xff\xc3\x6a\x87\x6e\xb5" + "\x13\x1f\x20\x55\xce\x37\x97\xc9\x05\x51\xe5\xe4\x3c\xbc\x93\x65" + "\x57\x1c\x30\xda\xa7\xcd\x26\x28\x76\x3b\x52\xdf\xc4\xc0\xdb\x54" + "\xdb\x8a\x0d\x6a\xc3\xf3\x7a\xd1\xfa\xe7\xa7\xe5\x5a\x94\x56\xcf" + "\x8f\xb4\x22\xc6\x4f\xab\x2b\x62\xc1\x42\xb1", + .c_size = 139, + .public_key_vec = true, + }, + { + .key = /* secp521r1(sha512) */ + "\x04\x00\xc7\x65\xee\x0b\x86\x7d\x8f\x02\xf1\x74\x5b\xb0\x4c\x3f" + "\xa6\x35\x60\x9f\x55\x23\x11\xcc\xdf\xb8\x42\x99\xee\x6c\x96\x6a" + "\x27\xa2\x56\xb2\x2b\x03\xad\x0f\xe7\x97\xde\x09\x5d\xb4\xc5\x5f" + "\xbd\x87\x37\xbf\x5a\x16\x35\x56\x08\xfd\x6f\x06\x1a\x1c\x84\xee" + "\xc3\x64\xb3\x00\x9e\xbd\x6e\x60\x76\xee\x69\xfd\x3a\xb8\xcd\x7e" + "\x91\x68\x53\x57\x44\x13\x2e\x77\x09\x2a\xbe\x48\xbd\x91\xd8\xf6" + "\x21\x16\x53\x99\xd5\xf0\x40\xad\xa6\xf8\x58\x26\xb6\x9a\xf8\x77" + "\xfe\x3a\x05\x1a\xdb\xa9\x0f\xc0\x6c\x76\x30\x8c\xd8\xde\x44\xae" + "\xd0\x17\xdf\x49\x6a", + .key_len = 133, + .m = + "\x5c\xa6\xbc\x79\xb8\xa0\x1e\x11\x83\xf7\xe9\x05\xdf\xba\xf7\x69" + "\x97\x22\x32\xe4\x94\x7c\x65\xbd\x74\xc6\x9a\x8b\xbd\x0d\xdc\xed" + "\xf5\x9c\xeb\xe1\xc5\x68\x40\xf2\xc7\x04\xde\x9e\x0d\x76\xc5\xa3" + "\xf9\x3c\x6c\x98\x08\x31\xbd\x39\xe8\x42\x7f\x80\x39\x6f\xfe\x68", + .m_size = 64, + .c = + "\x30\x81\x88\x02\x42\x01\x5c\x71\x86\x96\xac\x21\x33\x7e\x4e\xaa" + "\x86\xec\xa8\x05\x03\x52\x56\x63\x0e\x02\xcc\x94\xa9\x05\xb9\xfb" + "\x62\x1e\x42\x03\x6c\x74\x8a\x1f\x12\x3e\xb7\x7e\x51\xff\x7f\x27" + "\x93\xe8\x6c\x49\x7d\x28\xfc\x80\xa6\x13\xfc\xb6\x90\xf7\xbb\x28" + "\xb5\x04\xb0\xb6\x33\x1c\x7e\x02\x42\x01\x70\x43\x52\x1d\xe3\xc6" + "\xbd\x5a\x40\x95\x35\x89\x4f\x41\x5f\x9e\x19\x88\x05\x3e\x43\x39" + "\x01\xbd\xb7\x7a\x76\x37\x51\x47\x49\x98\x12\x71\xd0\xe9\xca\xa7" + "\xc0\xcb\xaa\x00\x55\xbb\x6a\xb4\x73\x00\xd2\x72\x74\x13\x63\x39" + "\xa6\xe5\x25\x46\x1e\x77\x44\x78\xe0\xd1\x04", + .c_size = 139, + .public_key_vec = true, + }, +}; + +/* + * ECDSA P1363 test vectors. + * + * Identical to ECDSA test vectors, except signature in "c" is P1363 encoded. + */ +static const struct sig_testvec p1363_ecdsa_nist_p256_tv_template[] = { + { + .key = /* secp256r1(sha256) */ + "\x04\xf1\xea\xc4\x53\xf3\xb9\x0e\x9f\x7e\xad\xe3\xea\xd7\x0e\x0f" + "\xd6\x98\x9a\xca\x92\x4d\x0a\x80\xdb\x2d\x45\xc7\xec\x4b\x97\x00" + "\x2f\xe9\x42\x6c\x29\xdc\x55\x0e\x0b\x53\x12\x9b\x2b\xad\x2c\xe9" + "\x80\xe6\xc5\x43\xc2\x1d\x5e\xbb\x65\x21\x50\xb6\x37\xb0\x03\x8e" + "\xb8", + .key_len = 65, + .m = + "\x8f\x43\x43\x46\x64\x8f\x6b\x96\xdf\x89\xdd\xa9\x01\xc5\x17\x6b" + "\x10\xa6\xd8\x39\x61\xdd\x3c\x1a\xc8\x8b\x59\xb2\xdc\x32\x7a\xa4", + .m_size = 32, + .c = + "\x08\x31\xfa\x74\x0d\x1d\x21\x5d\x09\xdc\x29\x63\xa8\x1a\xad\xfc" + "\xac\x44\xc3\xe8\x24\x11\x2d\xa4\x91\xdc\x02\x67\xdc\x0c\xd0\x82" + "\xbd\xff\xce\xee\x42\xc3\x97\xff\xf9\xa9\x81\xac\x4a\x50\xd0\x91" + "\x0a\x6e\x1b\xc4\xaf\xe1\x83\xc3\x4f\x2a\x65\x35\x23\xe3\x1d\xfa", + .c_size = 64, + .public_key_vec = true, }, }; /* * EC-RDSA test vectors are generated by gost-engine. */ -static const struct akcipher_testvec ecrdsa_tv_template[] = { +static const struct sig_testvec ecrdsa_tv_template[] = { { .key = "\x04\x40\xd5\xa7\x77\xf9\x26\x2f\x8c\xbd\xcc\xe3\x1f\x01\x94\x05" @@ -1099,7 +1846,6 @@ static const struct akcipher_testvec ecrdsa_tv_template[] = { "\x79\xd2\x76\x64\xa3\xbd\x66\x10\x79\x05\x5a\x06\x42\xec\xb9\xc9", .m_size = 32, .public_key_vec = true, - .siggen_sigver_test = true, }, { .key = @@ -1125,7 +1871,6 @@ static const struct akcipher_testvec ecrdsa_tv_template[] = { "\x11\x23\x4a\x70\x43\x52\x7a\x68\x11\x65\x45\x37\xbb\x25\xb7\x40", .m_size = 32, .public_key_vec = true, - .siggen_sigver_test = true, }, { .key = @@ -1151,7 +1896,6 @@ static const struct akcipher_testvec ecrdsa_tv_template[] = { "\x9f\x16\xc6\x1c\xb1\x3f\x84\x41\x69\xec\x34\xfd\xf1\xf9\xa3\x39", .m_size = 32, .public_key_vec = true, - .siggen_sigver_test = true, }, { .key = @@ -1186,7 +1930,6 @@ static const struct akcipher_testvec ecrdsa_tv_template[] = { "\xa8\xf6\x80\x01\xb9\x27\xac\xd8\x45\x96\x66\xa1\xee\x48\x08\x3f", .m_size = 64, .public_key_vec = true, - .siggen_sigver_test = true, }, { .key = @@ -1221,14 +1964,68 @@ static const struct akcipher_testvec ecrdsa_tv_template[] = { "\x6d\xf4\xd2\x45\xc2\x83\xa0\x42\x95\x05\x9d\x89\x8e\x0a\xca\xcc", .m_size = 64, .public_key_vec = true, - .siggen_sigver_test = true, + }, +}; + +/* + * PKCS#1 RSA test vectors for hash algorithm "none" + * (i.e. the hash in "m" is not prepended by a Full Hash Prefix) + * + * Obtained from: + * https://vcsjones.dev/sometimes-valid-rsa-dotnet/ + * https://gist.github.com/vcsjones/ab4c2327b53ed018eada76b75ef4fd99 + */ +static const struct sig_testvec pkcs1_rsa_none_tv_template[] = { + { + .key = + "\x30\x82\x01\x0a\x02\x82\x01\x01\x00\xa2\x63\x0b\x39\x44\xb8\xbb" + "\x23\xa7\x44\x49\xbb\x0e\xff\xa1\xf0\x61\x0a\x53\x93\xb0\x98\xdb" + "\xad\x2c\x0f\x4a\xc5\x6e\xff\x86\x3c\x53\x55\x0f\x15\xce\x04\x3f" + "\x2b\xfd\xa9\x96\x96\xd9\xbe\x61\x79\x0b\x5b\xc9\x4c\x86\x76\xe5" + "\xe0\x43\x4b\x22\x95\xee\xc2\x2b\x43\xc1\x9f\xd8\x68\xb4\x8e\x40" + "\x4f\xee\x85\x38\xb9\x11\xc5\x23\xf2\x64\x58\xf0\x15\x32\x6f\x4e" + "\x57\xa1\xae\x88\xa4\x02\xd7\x2a\x1e\xcd\x4b\xe1\xdd\x63\xd5\x17" + "\x89\x32\x5b\xb0\x5e\x99\x5a\xa8\x9d\x28\x50\x0e\x17\xee\x96\xdb" + "\x61\x3b\x45\x51\x1d\xcf\x12\x56\x0b\x92\x47\xfc\xab\xae\xf6\x66" + "\x3d\x47\xac\x70\x72\xe7\x92\xe7\x5f\xcd\x10\xb9\xc4\x83\x64\x94" + "\x19\xbd\x25\x80\xe1\xe8\xd2\x22\xa5\xd0\xba\x02\x7a\xa1\x77\x93" + "\x5b\x65\xc3\xee\x17\x74\xbc\x41\x86\x2a\xdc\x08\x4c\x8c\x92\x8c" + "\x91\x2d\x9e\x77\x44\x1f\x68\xd6\xa8\x74\x77\xdb\x0e\x5b\x32\x8b" + "\x56\x8b\x33\xbd\xd9\x63\xc8\x49\x9d\x3a\xc5\xc5\xea\x33\x0b\xd2" + "\xf1\xa3\x1b\xf4\x8b\xbe\xd9\xb3\x57\x8b\x3b\xde\x04\xa7\x7a\x22" + "\xb2\x24\xae\x2e\xc7\x70\xc5\xbe\x4e\x83\x26\x08\xfb\x0b\xbd\xa9" + "\x4f\x99\x08\xe1\x10\x28\x72\xaa\xcd\x02\x03\x01\x00\x01", + .key_len = 270, + .m = + "\x68\xb4\xf9\x26\x34\x31\x25\xdd\x26\x50\x13\x68\xc1\x99\x26\x71" + "\x19\xa2\xde\x81", + .m_size = 20, + .c = + "\x6a\xdb\x39\xe5\x63\xb3\x25\xde\x58\xca\xc3\xf1\x36\x9c\x0b\x36" + "\xb7\xd6\x69\xf9\xba\xa6\x68\x14\x8c\x24\x52\xd3\x25\xa5\xf3\xad" + "\xc9\x47\x44\xde\x06\xd8\x0f\x56\xca\x2d\xfb\x0f\xe9\x99\xe2\x9d" + "\x8a\xe8\x7f\xfb\x9a\x99\x96\xf1\x2c\x4a\xe4\xc0\xae\x4d\x29\x47" + "\x38\x96\x51\x2f\x6d\x8e\xb8\x88\xbd\x1a\x0a\x70\xbc\x23\x38\x67" + "\x62\x22\x01\x23\x71\xe5\xbb\x95\xea\x6b\x8d\x31\x62\xbf\xf0\xc4" + "\xb9\x46\xd6\x67\xfc\x4c\xe6\x1f\xd6\x5d\xf7\xa9\xad\x3a\xf1\xbf" + "\xa2\xf9\x66\xde\xb6\x8e\xec\x8f\x81\x8d\x1e\x3a\x12\x27\x6a\xfc" + "\xae\x92\x9f\xc3\x87\xc3\xba\x8d\x04\xb8\x8f\x0f\x61\x68\x9a\x96" + "\x2c\x80\x2c\x32\x40\xde\x9d\xb9\x9b\xe2\xe4\x45\x2e\x91\x47\x5c" + "\x47\xa4\x9d\x02\x57\x59\xf7\x75\x5d\x5f\x32\x82\x75\x5d\xe5\x78" + "\xc9\x19\x61\x46\x06\x9d\xa5\x1d\xd6\x32\x48\x9a\xdb\x09\x29\x81" + "\x14\x2e\xf0\x27\xe9\x37\x13\x74\xec\xa5\xcd\x67\x6b\x19\xf6\x88" + "\xf0\xc2\x8b\xa8\x7f\x2f\x76\x5a\x3e\x0c\x47\x5d\xe8\x82\x50\x27" + "\x40\xce\x27\x41\x45\xa0\xcf\xaa\x2f\xd3\xad\x3c\xbf\x73\xff\x93" + "\xe3\x78\x49\xd9\xa9\x78\x22\x81\x9a\xe5\xe2\x94\xe9\x40\xab\xf1", + .c_size = 256, + .public_key_vec = true, }, }; /* * PKCS#1 RSA test vectors. Obtained from CAVS testing. */ -static const struct akcipher_testvec pkcs1pad_rsa_tv_template[] = { +static const struct sig_testvec pkcs1_rsa_tv_template[] = { { .key = "\x30\x82\x04\xa5\x02\x01\x00\x02\x82\x01\x01\x00\xd7\x1e\x77\x82" @@ -1340,7 +2137,6 @@ static const struct akcipher_testvec pkcs1pad_rsa_tv_template[] = { "\xda\x62\x8d\xe1\x2a\x71\x91\x43\x40\x61\x3c\x5a\xbe\x86\xfc\x5b" "\xe6\xf9\xa9\x16\x31\x1f\xaf\x25\x6d\xc2\x4a\x23\x6e\x63\x02\xa2", .c_size = 256, - .siggen_sigver_test = true, } }; @@ -2990,1231 +3786,6 @@ static const struct kpp_testvec ffdhe8192_dh_tv_template[] __maybe_unused = { }, }; -static const struct kpp_testvec curve25519_tv_template[] = { -{ - .secret = (u8[32]){ 0x77, 0x07, 0x6d, 0x0a, 0x73, 0x18, 0xa5, 0x7d, - 0x3c, 0x16, 0xc1, 0x72, 0x51, 0xb2, 0x66, 0x45, - 0xdf, 0x4c, 0x2f, 0x87, 0xeb, 0xc0, 0x99, 0x2a, - 0xb1, 0x77, 0xfb, 0xa5, 0x1d, 0xb9, 0x2c, 0x2a }, - .b_public = (u8[32]){ 0xde, 0x9e, 0xdb, 0x7d, 0x7b, 0x7d, 0xc1, 0xb4, - 0xd3, 0x5b, 0x61, 0xc2, 0xec, 0xe4, 0x35, 0x37, - 0x3f, 0x83, 0x43, 0xc8, 0x5b, 0x78, 0x67, 0x4d, - 0xad, 0xfc, 0x7e, 0x14, 0x6f, 0x88, 0x2b, 0x4f }, - .expected_ss = (u8[32]){ 0x4a, 0x5d, 0x9d, 0x5b, 0xa4, 0xce, 0x2d, 0xe1, - 0x72, 0x8e, 0x3b, 0xf4, 0x80, 0x35, 0x0f, 0x25, - 0xe0, 0x7e, 0x21, 0xc9, 0x47, 0xd1, 0x9e, 0x33, - 0x76, 0xf0, 0x9b, 0x3c, 0x1e, 0x16, 0x17, 0x42 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -{ - .secret = (u8[32]){ 0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a, 0x4b, - 0x79, 0xe1, 0x7f, 0x8b, 0x83, 0x80, 0x0e, 0xe6, - 0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18, 0xb6, 0xfd, - 0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88, 0xe0, 0xeb }, - .b_public = (u8[32]){ 0x85, 0x20, 0xf0, 0x09, 0x89, 0x30, 0xa7, 0x54, - 0x74, 0x8b, 0x7d, 0xdc, 0xb4, 0x3e, 0xf7, 0x5a, - 0x0d, 0xbf, 0x3a, 0x0d, 0x26, 0x38, 0x1a, 0xf4, - 0xeb, 0xa4, 0xa9, 0x8e, 0xaa, 0x9b, 0x4e, 0x6a }, - .expected_ss = (u8[32]){ 0x4a, 0x5d, 0x9d, 0x5b, 0xa4, 0xce, 0x2d, 0xe1, - 0x72, 0x8e, 0x3b, 0xf4, 0x80, 0x35, 0x0f, 0x25, - 0xe0, 0x7e, 0x21, 0xc9, 0x47, 0xd1, 0x9e, 0x33, - 0x76, 0xf0, 0x9b, 0x3c, 0x1e, 0x16, 0x17, 0x42 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -{ - .secret = (u8[32]){ 1 }, - .b_public = (u8[32]){ 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - .expected_ss = (u8[32]){ 0x3c, 0x77, 0x77, 0xca, 0xf9, 0x97, 0xb2, 0x64, - 0x41, 0x60, 0x77, 0x66, 0x5b, 0x4e, 0x22, 0x9d, - 0x0b, 0x95, 0x48, 0xdc, 0x0c, 0xd8, 0x19, 0x98, - 0xdd, 0xcd, 0xc5, 0xc8, 0x53, 0x3c, 0x79, 0x7f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -{ - .secret = (u8[32]){ 1 }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0xb3, 0x2d, 0x13, 0x62, 0xc2, 0x48, 0xd6, 0x2f, - 0xe6, 0x26, 0x19, 0xcf, 0xf0, 0x4d, 0xd4, 0x3d, - 0xb7, 0x3f, 0xfc, 0x1b, 0x63, 0x08, 0xed, 0xe3, - 0x0b, 0x78, 0xd8, 0x73, 0x80, 0xf1, 0xe8, 0x34 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -{ - .secret = (u8[32]){ 0xa5, 0x46, 0xe3, 0x6b, 0xf0, 0x52, 0x7c, 0x9d, - 0x3b, 0x16, 0x15, 0x4b, 0x82, 0x46, 0x5e, 0xdd, - 0x62, 0x14, 0x4c, 0x0a, 0xc1, 0xfc, 0x5a, 0x18, - 0x50, 0x6a, 0x22, 0x44, 0xba, 0x44, 0x9a, 0xc4 }, - .b_public = (u8[32]){ 0xe6, 0xdb, 0x68, 0x67, 0x58, 0x30, 0x30, 0xdb, - 0x35, 0x94, 0xc1, 0xa4, 0x24, 0xb1, 0x5f, 0x7c, - 0x72, 0x66, 0x24, 0xec, 0x26, 0xb3, 0x35, 0x3b, - 0x10, 0xa9, 0x03, 0xa6, 0xd0, 0xab, 0x1c, 0x4c }, - .expected_ss = (u8[32]){ 0xc3, 0xda, 0x55, 0x37, 0x9d, 0xe9, 0xc6, 0x90, - 0x8e, 0x94, 0xea, 0x4d, 0xf2, 0x8d, 0x08, 0x4f, - 0x32, 0xec, 0xcf, 0x03, 0x49, 0x1c, 0x71, 0xf7, - 0x54, 0xb4, 0x07, 0x55, 0x77, 0xa2, 0x85, 0x52 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -{ - .secret = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0x0a, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0x0a, 0x00, 0xfb, 0x9f }, - .expected_ss = (u8[32]){ 0x77, 0x52, 0xb6, 0x18, 0xc1, 0x2d, 0x48, 0xd2, - 0xc6, 0x93, 0x46, 0x83, 0x81, 0x7c, 0xc6, 0x57, - 0xf3, 0x31, 0x03, 0x19, 0x49, 0x48, 0x20, 0x05, - 0x42, 0x2b, 0x4e, 0xae, 0x8d, 0x1d, 0x43, 0x23 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -{ - .secret = (u8[32]){ 0x8e, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - .b_public = (u8[32]){ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x06 }, - .expected_ss = (u8[32]){ 0x5a, 0xdf, 0xaa, 0x25, 0x86, 0x8e, 0x32, 0x3d, - 0xae, 0x49, 0x62, 0xc1, 0x01, 0x5c, 0xb3, 0x12, - 0xe1, 0xc5, 0xc7, 0x9e, 0x95, 0x3f, 0x03, 0x99, - 0xb0, 0xba, 0x16, 0x22, 0xf3, 0xb6, 0xf7, 0x0c }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - normal case */ -{ - .secret = (u8[32]){ 0x48, 0x52, 0x83, 0x4d, 0x9d, 0x6b, 0x77, 0xda, - 0xde, 0xab, 0xaa, 0xf2, 0xe1, 0x1d, 0xca, 0x66, - 0xd1, 0x9f, 0xe7, 0x49, 0x93, 0xa7, 0xbe, 0xc3, - 0x6c, 0x6e, 0x16, 0xa0, 0x98, 0x3f, 0xea, 0xba }, - .b_public = (u8[32]){ 0x9c, 0x64, 0x7d, 0x9a, 0xe5, 0x89, 0xb9, 0xf5, - 0x8f, 0xdc, 0x3c, 0xa4, 0x94, 0x7e, 0xfb, 0xc9, - 0x15, 0xc4, 0xb2, 0xe0, 0x8e, 0x74, 0x4a, 0x0e, - 0xdf, 0x46, 0x9d, 0xac, 0x59, 0xc8, 0xf8, 0x5a }, - .expected_ss = (u8[32]){ 0x87, 0xb7, 0xf2, 0x12, 0xb6, 0x27, 0xf7, 0xa5, - 0x4c, 0xa5, 0xe0, 0xbc, 0xda, 0xdd, 0xd5, 0x38, - 0x9d, 0x9d, 0xe6, 0x15, 0x6c, 0xdb, 0xcf, 0x8e, - 0xbe, 0x14, 0xff, 0xbc, 0xfb, 0x43, 0x65, 0x51 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key on twist */ -{ - .secret = (u8[32]){ 0x58, 0x8c, 0x06, 0x1a, 0x50, 0x80, 0x4a, 0xc4, - 0x88, 0xad, 0x77, 0x4a, 0xc7, 0x16, 0xc3, 0xf5, - 0xba, 0x71, 0x4b, 0x27, 0x12, 0xe0, 0x48, 0x49, - 0x13, 0x79, 0xa5, 0x00, 0x21, 0x19, 0x98, 0xa8 }, - .b_public = (u8[32]){ 0x63, 0xaa, 0x40, 0xc6, 0xe3, 0x83, 0x46, 0xc5, - 0xca, 0xf2, 0x3a, 0x6d, 0xf0, 0xa5, 0xe6, 0xc8, - 0x08, 0x89, 0xa0, 0x86, 0x47, 0xe5, 0x51, 0xb3, - 0x56, 0x34, 0x49, 0xbe, 0xfc, 0xfc, 0x97, 0x33 }, - .expected_ss = (u8[32]){ 0xb1, 0xa7, 0x07, 0x51, 0x94, 0x95, 0xff, 0xff, - 0xb2, 0x98, 0xff, 0x94, 0x17, 0x16, 0xb0, 0x6d, - 0xfa, 0xb8, 0x7c, 0xf8, 0xd9, 0x11, 0x23, 0xfe, - 0x2b, 0xe9, 0xa2, 0x33, 0xdd, 0xa2, 0x22, 0x12 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key on twist */ -{ - .secret = (u8[32]){ 0xb0, 0x5b, 0xfd, 0x32, 0xe5, 0x53, 0x25, 0xd9, - 0xfd, 0x64, 0x8c, 0xb3, 0x02, 0x84, 0x80, 0x39, - 0x00, 0x0b, 0x39, 0x0e, 0x44, 0xd5, 0x21, 0xe5, - 0x8a, 0xab, 0x3b, 0x29, 0xa6, 0x96, 0x0b, 0xa8 }, - .b_public = (u8[32]){ 0x0f, 0x83, 0xc3, 0x6f, 0xde, 0xd9, 0xd3, 0x2f, - 0xad, 0xf4, 0xef, 0xa3, 0xae, 0x93, 0xa9, 0x0b, - 0xb5, 0xcf, 0xa6, 0x68, 0x93, 0xbc, 0x41, 0x2c, - 0x43, 0xfa, 0x72, 0x87, 0xdb, 0xb9, 0x97, 0x79 }, - .expected_ss = (u8[32]){ 0x67, 0xdd, 0x4a, 0x6e, 0x16, 0x55, 0x33, 0x53, - 0x4c, 0x0e, 0x3f, 0x17, 0x2e, 0x4a, 0xb8, 0x57, - 0x6b, 0xca, 0x92, 0x3a, 0x5f, 0x07, 0xb2, 0xc0, - 0x69, 0xb4, 0xc3, 0x10, 0xff, 0x2e, 0x93, 0x5b }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key on twist */ -{ - .secret = (u8[32]){ 0x70, 0xe3, 0x4b, 0xcb, 0xe1, 0xf4, 0x7f, 0xbc, - 0x0f, 0xdd, 0xfd, 0x7c, 0x1e, 0x1a, 0xa5, 0x3d, - 0x57, 0xbf, 0xe0, 0xf6, 0x6d, 0x24, 0x30, 0x67, - 0xb4, 0x24, 0xbb, 0x62, 0x10, 0xbe, 0xd1, 0x9c }, - .b_public = (u8[32]){ 0x0b, 0x82, 0x11, 0xa2, 0xb6, 0x04, 0x90, 0x97, - 0xf6, 0x87, 0x1c, 0x6c, 0x05, 0x2d, 0x3c, 0x5f, - 0xc1, 0xba, 0x17, 0xda, 0x9e, 0x32, 0xae, 0x45, - 0x84, 0x03, 0xb0, 0x5b, 0xb2, 0x83, 0x09, 0x2a }, - .expected_ss = (u8[32]){ 0x4a, 0x06, 0x38, 0xcf, 0xaa, 0x9e, 0xf1, 0x93, - 0x3b, 0x47, 0xf8, 0x93, 0x92, 0x96, 0xa6, 0xb2, - 0x5b, 0xe5, 0x41, 0xef, 0x7f, 0x70, 0xe8, 0x44, - 0xc0, 0xbc, 0xc0, 0x0b, 0x13, 0x4d, 0xe6, 0x4a }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key on twist */ -{ - .secret = (u8[32]){ 0x68, 0xc1, 0xf3, 0xa6, 0x53, 0xa4, 0xcd, 0xb1, - 0xd3, 0x7b, 0xba, 0x94, 0x73, 0x8f, 0x8b, 0x95, - 0x7a, 0x57, 0xbe, 0xb2, 0x4d, 0x64, 0x6e, 0x99, - 0x4d, 0xc2, 0x9a, 0x27, 0x6a, 0xad, 0x45, 0x8d }, - .b_public = (u8[32]){ 0x34, 0x3a, 0xc2, 0x0a, 0x3b, 0x9c, 0x6a, 0x27, - 0xb1, 0x00, 0x81, 0x76, 0x50, 0x9a, 0xd3, 0x07, - 0x35, 0x85, 0x6e, 0xc1, 0xc8, 0xd8, 0xfc, 0xae, - 0x13, 0x91, 0x2d, 0x08, 0xd1, 0x52, 0xf4, 0x6c }, - .expected_ss = (u8[32]){ 0x39, 0x94, 0x91, 0xfc, 0xe8, 0xdf, 0xab, 0x73, - 0xb4, 0xf9, 0xf6, 0x11, 0xde, 0x8e, 0xa0, 0xb2, - 0x7b, 0x28, 0xf8, 0x59, 0x94, 0x25, 0x0b, 0x0f, - 0x47, 0x5d, 0x58, 0x5d, 0x04, 0x2a, 0xc2, 0x07 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key on twist */ -{ - .secret = (u8[32]){ 0xd8, 0x77, 0xb2, 0x6d, 0x06, 0xdf, 0xf9, 0xd9, - 0xf7, 0xfd, 0x4c, 0x5b, 0x37, 0x69, 0xf8, 0xcd, - 0xd5, 0xb3, 0x05, 0x16, 0xa5, 0xab, 0x80, 0x6b, - 0xe3, 0x24, 0xff, 0x3e, 0xb6, 0x9e, 0xa0, 0xb2 }, - .b_public = (u8[32]){ 0xfa, 0x69, 0x5f, 0xc7, 0xbe, 0x8d, 0x1b, 0xe5, - 0xbf, 0x70, 0x48, 0x98, 0xf3, 0x88, 0xc4, 0x52, - 0xba, 0xfd, 0xd3, 0xb8, 0xea, 0xe8, 0x05, 0xf8, - 0x68, 0x1a, 0x8d, 0x15, 0xc2, 0xd4, 0xe1, 0x42 }, - .expected_ss = (u8[32]){ 0x2c, 0x4f, 0xe1, 0x1d, 0x49, 0x0a, 0x53, 0x86, - 0x17, 0x76, 0xb1, 0x3b, 0x43, 0x54, 0xab, 0xd4, - 0xcf, 0x5a, 0x97, 0x69, 0x9d, 0xb6, 0xe6, 0xc6, - 0x8c, 0x16, 0x26, 0xd0, 0x76, 0x62, 0xf7, 0x58 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case on twist */ -{ - .secret = (u8[32]){ 0x38, 0xdd, 0xe9, 0xf3, 0xe7, 0xb7, 0x99, 0x04, - 0x5f, 0x9a, 0xc3, 0x79, 0x3d, 0x4a, 0x92, 0x77, - 0xda, 0xde, 0xad, 0xc4, 0x1b, 0xec, 0x02, 0x90, - 0xf8, 0x1f, 0x74, 0x4f, 0x73, 0x77, 0x5f, 0x84 }, - .b_public = (u8[32]){ 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - .expected_ss = (u8[32]){ 0x9a, 0x2c, 0xfe, 0x84, 0xff, 0x9c, 0x4a, 0x97, - 0x39, 0x62, 0x5c, 0xae, 0x4a, 0x3b, 0x82, 0xa9, - 0x06, 0x87, 0x7a, 0x44, 0x19, 0x46, 0xf8, 0xd7, - 0xb3, 0xd7, 0x95, 0xfe, 0x8f, 0x5d, 0x16, 0x39 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case on twist */ -{ - .secret = (u8[32]){ 0x98, 0x57, 0xa9, 0x14, 0xe3, 0xc2, 0x90, 0x36, - 0xfd, 0x9a, 0x44, 0x2b, 0xa5, 0x26, 0xb5, 0xcd, - 0xcd, 0xf2, 0x82, 0x16, 0x15, 0x3e, 0x63, 0x6c, - 0x10, 0x67, 0x7a, 0xca, 0xb6, 0xbd, 0x6a, 0xa5 }, - .b_public = (u8[32]){ 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - .expected_ss = (u8[32]){ 0x4d, 0xa4, 0xe0, 0xaa, 0x07, 0x2c, 0x23, 0x2e, - 0xe2, 0xf0, 0xfa, 0x4e, 0x51, 0x9a, 0xe5, 0x0b, - 0x52, 0xc1, 0xed, 0xd0, 0x8a, 0x53, 0x4d, 0x4e, - 0xf3, 0x46, 0xc2, 0xe1, 0x06, 0xd2, 0x1d, 0x60 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case on twist */ -{ - .secret = (u8[32]){ 0x48, 0xe2, 0x13, 0x0d, 0x72, 0x33, 0x05, 0xed, - 0x05, 0xe6, 0xe5, 0x89, 0x4d, 0x39, 0x8a, 0x5e, - 0x33, 0x36, 0x7a, 0x8c, 0x6a, 0xac, 0x8f, 0xcd, - 0xf0, 0xa8, 0x8e, 0x4b, 0x42, 0x82, 0x0d, 0xb7 }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0x03, 0x00, 0x00, 0xf8, 0xff, - 0xff, 0x1f, 0x00, 0x00, 0xc0, 0xff, 0xff, 0xff, - 0x00, 0x00, 0x00, 0xfe, 0xff, 0xff, 0x07, 0x00, - 0x00, 0xf0, 0xff, 0xff, 0x3f, 0x00, 0x00, 0x00 }, - .expected_ss = (u8[32]){ 0x9e, 0xd1, 0x0c, 0x53, 0x74, 0x7f, 0x64, 0x7f, - 0x82, 0xf4, 0x51, 0x25, 0xd3, 0xde, 0x15, 0xa1, - 0xe6, 0xb8, 0x24, 0x49, 0x6a, 0xb4, 0x04, 0x10, - 0xff, 0xcc, 0x3c, 0xfe, 0x95, 0x76, 0x0f, 0x3b }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case on twist */ -{ - .secret = (u8[32]){ 0x28, 0xf4, 0x10, 0x11, 0x69, 0x18, 0x51, 0xb3, - 0xa6, 0x2b, 0x64, 0x15, 0x53, 0xb3, 0x0d, 0x0d, - 0xfd, 0xdc, 0xb8, 0xff, 0xfc, 0xf5, 0x37, 0x00, - 0xa7, 0xbe, 0x2f, 0x6a, 0x87, 0x2e, 0x9f, 0xb0 }, - .b_public = (u8[32]){ 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x07, 0x00, - 0x00, 0xe0, 0xff, 0xff, 0x3f, 0x00, 0x00, 0x00, - 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0xf8, 0xff, - 0xff, 0x0f, 0x00, 0x00, 0xc0, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0xcf, 0x72, 0xb4, 0xaa, 0x6a, 0xa1, 0xc9, 0xf8, - 0x94, 0xf4, 0x16, 0x5b, 0x86, 0x10, 0x9a, 0xa4, - 0x68, 0x51, 0x76, 0x48, 0xe1, 0xf0, 0xcc, 0x70, - 0xe1, 0xab, 0x08, 0x46, 0x01, 0x76, 0x50, 0x6b }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case on twist */ -{ - .secret = (u8[32]){ 0x18, 0xa9, 0x3b, 0x64, 0x99, 0xb9, 0xf6, 0xb3, - 0x22, 0x5c, 0xa0, 0x2f, 0xef, 0x41, 0x0e, 0x0a, - 0xde, 0xc2, 0x35, 0x32, 0x32, 0x1d, 0x2d, 0x8e, - 0xf1, 0xa6, 0xd6, 0x02, 0xa8, 0xc6, 0x5b, 0x83 }, - .b_public = (u8[32]){ 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, - 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, - 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, - 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0x5d, 0x50, 0xb6, 0x28, 0x36, 0xbb, 0x69, 0x57, - 0x94, 0x10, 0x38, 0x6c, 0xf7, 0xbb, 0x81, 0x1c, - 0x14, 0xbf, 0x85, 0xb1, 0xc7, 0xb1, 0x7e, 0x59, - 0x24, 0xc7, 0xff, 0xea, 0x91, 0xef, 0x9e, 0x12 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case on twist */ -{ - .secret = (u8[32]){ 0xc0, 0x1d, 0x13, 0x05, 0xa1, 0x33, 0x8a, 0x1f, - 0xca, 0xc2, 0xba, 0x7e, 0x2e, 0x03, 0x2b, 0x42, - 0x7e, 0x0b, 0x04, 0x90, 0x31, 0x65, 0xac, 0xa9, - 0x57, 0xd8, 0xd0, 0x55, 0x3d, 0x87, 0x17, 0xb0 }, - .b_public = (u8[32]){ 0xea, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0x19, 0x23, 0x0e, 0xb1, 0x48, 0xd5, 0xd6, 0x7c, - 0x3c, 0x22, 0xab, 0x1d, 0xae, 0xff, 0x80, 0xa5, - 0x7e, 0xae, 0x42, 0x65, 0xce, 0x28, 0x72, 0x65, - 0x7b, 0x2c, 0x80, 0x99, 0xfc, 0x69, 0x8e, 0x50 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for public key */ -{ - .secret = (u8[32]){ 0x38, 0x6f, 0x7f, 0x16, 0xc5, 0x07, 0x31, 0xd6, - 0x4f, 0x82, 0xe6, 0xa1, 0x70, 0xb1, 0x42, 0xa4, - 0xe3, 0x4f, 0x31, 0xfd, 0x77, 0x68, 0xfc, 0xb8, - 0x90, 0x29, 0x25, 0xe7, 0xd1, 0xe2, 0x1a, 0xbe }, - .b_public = (u8[32]){ 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - .expected_ss = (u8[32]){ 0x0f, 0xca, 0xb5, 0xd8, 0x42, 0xa0, 0x78, 0xd7, - 0xa7, 0x1f, 0xc5, 0x9b, 0x57, 0xbf, 0xb4, 0xca, - 0x0b, 0xe6, 0x87, 0x3b, 0x49, 0xdc, 0xdb, 0x9f, - 0x44, 0xe1, 0x4a, 0xe8, 0xfb, 0xdf, 0xa5, 0x42 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for public key */ -{ - .secret = (u8[32]){ 0xe0, 0x23, 0xa2, 0x89, 0xbd, 0x5e, 0x90, 0xfa, - 0x28, 0x04, 0xdd, 0xc0, 0x19, 0xa0, 0x5e, 0xf3, - 0xe7, 0x9d, 0x43, 0x4b, 0xb6, 0xea, 0x2f, 0x52, - 0x2e, 0xcb, 0x64, 0x3a, 0x75, 0x29, 0x6e, 0x95 }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, - 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, - 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, - 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }, - .expected_ss = (u8[32]){ 0x54, 0xce, 0x8f, 0x22, 0x75, 0xc0, 0x77, 0xe3, - 0xb1, 0x30, 0x6a, 0x39, 0x39, 0xc5, 0xe0, 0x3e, - 0xef, 0x6b, 0xbb, 0x88, 0x06, 0x05, 0x44, 0x75, - 0x8d, 0x9f, 0xef, 0x59, 0xb0, 0xbc, 0x3e, 0x4f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for public key */ -{ - .secret = (u8[32]){ 0x68, 0xf0, 0x10, 0xd6, 0x2e, 0xe8, 0xd9, 0x26, - 0x05, 0x3a, 0x36, 0x1c, 0x3a, 0x75, 0xc6, 0xea, - 0x4e, 0xbd, 0xc8, 0x60, 0x6a, 0xb2, 0x85, 0x00, - 0x3a, 0x6f, 0x8f, 0x40, 0x76, 0xb0, 0x1e, 0x83 }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03 }, - .expected_ss = (u8[32]){ 0xf1, 0x36, 0x77, 0x5c, 0x5b, 0xeb, 0x0a, 0xf8, - 0x11, 0x0a, 0xf1, 0x0b, 0x20, 0x37, 0x23, 0x32, - 0x04, 0x3c, 0xab, 0x75, 0x24, 0x19, 0x67, 0x87, - 0x75, 0xa2, 0x23, 0xdf, 0x57, 0xc9, 0xd3, 0x0d }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for public key */ -{ - .secret = (u8[32]){ 0x58, 0xeb, 0xcb, 0x35, 0xb0, 0xf8, 0x84, 0x5c, - 0xaf, 0x1e, 0xc6, 0x30, 0xf9, 0x65, 0x76, 0xb6, - 0x2c, 0x4b, 0x7b, 0x6c, 0x36, 0xb2, 0x9d, 0xeb, - 0x2c, 0xb0, 0x08, 0x46, 0x51, 0x75, 0x5c, 0x96 }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xfb, 0xff, 0xff, 0xfb, 0xff, - 0xff, 0xdf, 0xff, 0xff, 0xdf, 0xff, 0xff, 0xff, - 0xfe, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xf7, 0xff, - 0xff, 0xf7, 0xff, 0xff, 0xbf, 0xff, 0xff, 0x3f }, - .expected_ss = (u8[32]){ 0xbf, 0x9a, 0xff, 0xd0, 0x6b, 0x84, 0x40, 0x85, - 0x58, 0x64, 0x60, 0x96, 0x2e, 0xf2, 0x14, 0x6f, - 0xf3, 0xd4, 0x53, 0x3d, 0x94, 0x44, 0xaa, 0xb0, - 0x06, 0xeb, 0x88, 0xcc, 0x30, 0x54, 0x40, 0x7d }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for public key */ -{ - .secret = (u8[32]){ 0x18, 0x8c, 0x4b, 0xc5, 0xb9, 0xc4, 0x4b, 0x38, - 0xbb, 0x65, 0x8b, 0x9b, 0x2a, 0xe8, 0x2d, 0x5b, - 0x01, 0x01, 0x5e, 0x09, 0x31, 0x84, 0xb1, 0x7c, - 0xb7, 0x86, 0x35, 0x03, 0xa7, 0x83, 0xe1, 0xbb }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f }, - .expected_ss = (u8[32]){ 0xd4, 0x80, 0xde, 0x04, 0xf6, 0x99, 0xcb, 0x3b, - 0xe0, 0x68, 0x4a, 0x9c, 0xc2, 0xe3, 0x12, 0x81, - 0xea, 0x0b, 0xc5, 0xa9, 0xdc, 0xc1, 0x57, 0xd3, - 0xd2, 0x01, 0x58, 0xd4, 0x6c, 0xa5, 0x24, 0x6d }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for public key */ -{ - .secret = (u8[32]){ 0xe0, 0x6c, 0x11, 0xbb, 0x2e, 0x13, 0xce, 0x3d, - 0xc7, 0x67, 0x3f, 0x67, 0xf5, 0x48, 0x22, 0x42, - 0x90, 0x94, 0x23, 0xa9, 0xae, 0x95, 0xee, 0x98, - 0x6a, 0x98, 0x8d, 0x98, 0xfa, 0xee, 0x23, 0xa2 }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0x7f, - 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0x7f, - 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0x7f, - 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0x4c, 0x44, 0x01, 0xcc, 0xe6, 0xb5, 0x1e, 0x4c, - 0xb1, 0x8f, 0x27, 0x90, 0x24, 0x6c, 0x9b, 0xf9, - 0x14, 0xdb, 0x66, 0x77, 0x50, 0xa1, 0xcb, 0x89, - 0x06, 0x90, 0x92, 0xaf, 0x07, 0x29, 0x22, 0x76 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for public key */ -{ - .secret = (u8[32]){ 0xc0, 0x65, 0x8c, 0x46, 0xdd, 0xe1, 0x81, 0x29, - 0x29, 0x38, 0x77, 0x53, 0x5b, 0x11, 0x62, 0xb6, - 0xf9, 0xf5, 0x41, 0x4a, 0x23, 0xcf, 0x4d, 0x2c, - 0xbc, 0x14, 0x0a, 0x4d, 0x99, 0xda, 0x2b, 0x8f }, - .b_public = (u8[32]){ 0xeb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0x57, 0x8b, 0xa8, 0xcc, 0x2d, 0xbd, 0xc5, 0x75, - 0xaf, 0xcf, 0x9d, 0xf2, 0xb3, 0xee, 0x61, 0x89, - 0xf5, 0x33, 0x7d, 0x68, 0x54, 0xc7, 0x9b, 0x4c, - 0xe1, 0x65, 0xea, 0x12, 0x29, 0x3b, 0x3a, 0x0f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0xf0, 0x1e, 0x48, 0xda, 0xfa, 0xc9, 0xd7, 0xbc, - 0xf5, 0x89, 0xcb, 0xc3, 0x82, 0xc8, 0x78, 0xd1, - 0x8b, 0xda, 0x35, 0x50, 0x58, 0x9f, 0xfb, 0x5d, - 0x50, 0xb5, 0x23, 0xbe, 0xbe, 0x32, 0x9d, 0xae }, - .b_public = (u8[32]){ 0xef, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0xbd, 0x36, 0xa0, 0x79, 0x0e, 0xb8, 0x83, 0x09, - 0x8c, 0x98, 0x8b, 0x21, 0x78, 0x67, 0x73, 0xde, - 0x0b, 0x3a, 0x4d, 0xf1, 0x62, 0x28, 0x2c, 0xf1, - 0x10, 0xde, 0x18, 0xdd, 0x48, 0x4c, 0xe7, 0x4b }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x28, 0x87, 0x96, 0xbc, 0x5a, 0xff, 0x4b, 0x81, - 0xa3, 0x75, 0x01, 0x75, 0x7b, 0xc0, 0x75, 0x3a, - 0x3c, 0x21, 0x96, 0x47, 0x90, 0xd3, 0x86, 0x99, - 0x30, 0x8d, 0xeb, 0xc1, 0x7a, 0x6e, 0xaf, 0x8d }, - .b_public = (u8[32]){ 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0xb4, 0xe0, 0xdd, 0x76, 0xda, 0x7b, 0x07, 0x17, - 0x28, 0xb6, 0x1f, 0x85, 0x67, 0x71, 0xaa, 0x35, - 0x6e, 0x57, 0xed, 0xa7, 0x8a, 0x5b, 0x16, 0x55, - 0xcc, 0x38, 0x20, 0xfb, 0x5f, 0x85, 0x4c, 0x5c }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x98, 0xdf, 0x84, 0x5f, 0x66, 0x51, 0xbf, 0x11, - 0x38, 0x22, 0x1f, 0x11, 0x90, 0x41, 0xf7, 0x2b, - 0x6d, 0xbc, 0x3c, 0x4a, 0xce, 0x71, 0x43, 0xd9, - 0x9f, 0xd5, 0x5a, 0xd8, 0x67, 0x48, 0x0d, 0xa8 }, - .b_public = (u8[32]){ 0xf1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0x6f, 0xdf, 0x6c, 0x37, 0x61, 0x1d, 0xbd, 0x53, - 0x04, 0xdc, 0x0f, 0x2e, 0xb7, 0xc9, 0x51, 0x7e, - 0xb3, 0xc5, 0x0e, 0x12, 0xfd, 0x05, 0x0a, 0xc6, - 0xde, 0xc2, 0x70, 0x71, 0xd4, 0xbf, 0xc0, 0x34 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0xf0, 0x94, 0x98, 0xe4, 0x6f, 0x02, 0xf8, 0x78, - 0x82, 0x9e, 0x78, 0xb8, 0x03, 0xd3, 0x16, 0xa2, - 0xed, 0x69, 0x5d, 0x04, 0x98, 0xa0, 0x8a, 0xbd, - 0xf8, 0x27, 0x69, 0x30, 0xe2, 0x4e, 0xdc, 0xb0 }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .expected_ss = (u8[32]){ 0x4c, 0x8f, 0xc4, 0xb1, 0xc6, 0xab, 0x88, 0xfb, - 0x21, 0xf1, 0x8f, 0x6d, 0x4c, 0x81, 0x02, 0x40, - 0xd4, 0xe9, 0x46, 0x51, 0xba, 0x44, 0xf7, 0xa2, - 0xc8, 0x63, 0xce, 0xc7, 0xdc, 0x56, 0x60, 0x2d }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x18, 0x13, 0xc1, 0x0a, 0x5c, 0x7f, 0x21, 0xf9, - 0x6e, 0x17, 0xf2, 0x88, 0xc0, 0xcc, 0x37, 0x60, - 0x7c, 0x04, 0xc5, 0xf5, 0xae, 0xa2, 0xdb, 0x13, - 0x4f, 0x9e, 0x2f, 0xfc, 0x66, 0xbd, 0x9d, 0xb8 }, - .b_public = (u8[32]){ 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, - .expected_ss = (u8[32]){ 0x1c, 0xd0, 0xb2, 0x82, 0x67, 0xdc, 0x54, 0x1c, - 0x64, 0x2d, 0x6d, 0x7d, 0xca, 0x44, 0xa8, 0xb3, - 0x8a, 0x63, 0x73, 0x6e, 0xef, 0x5c, 0x4e, 0x65, - 0x01, 0xff, 0xbb, 0xb1, 0x78, 0x0c, 0x03, 0x3c }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x78, 0x57, 0xfb, 0x80, 0x86, 0x53, 0x64, 0x5a, - 0x0b, 0xeb, 0x13, 0x8a, 0x64, 0xf5, 0xf4, 0xd7, - 0x33, 0xa4, 0x5e, 0xa8, 0x4c, 0x3c, 0xda, 0x11, - 0xa9, 0xc0, 0x6f, 0x7e, 0x71, 0x39, 0x14, 0x9e }, - .b_public = (u8[32]){ 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, - .expected_ss = (u8[32]){ 0x87, 0x55, 0xbe, 0x01, 0xc6, 0x0a, 0x7e, 0x82, - 0x5c, 0xff, 0x3e, 0x0e, 0x78, 0xcb, 0x3a, 0xa4, - 0x33, 0x38, 0x61, 0x51, 0x6a, 0xa5, 0x9b, 0x1c, - 0x51, 0xa8, 0xb2, 0xa5, 0x43, 0xdf, 0xa8, 0x22 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0xe0, 0x3a, 0xa8, 0x42, 0xe2, 0xab, 0xc5, 0x6e, - 0x81, 0xe8, 0x7b, 0x8b, 0x9f, 0x41, 0x7b, 0x2a, - 0x1e, 0x59, 0x13, 0xc7, 0x23, 0xee, 0xd2, 0x8d, - 0x75, 0x2f, 0x8d, 0x47, 0xa5, 0x9f, 0x49, 0x8f }, - .b_public = (u8[32]){ 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, - .expected_ss = (u8[32]){ 0x54, 0xc9, 0xa1, 0xed, 0x95, 0xe5, 0x46, 0xd2, - 0x78, 0x22, 0xa3, 0x60, 0x93, 0x1d, 0xda, 0x60, - 0xa1, 0xdf, 0x04, 0x9d, 0xa6, 0xf9, 0x04, 0x25, - 0x3c, 0x06, 0x12, 0xbb, 0xdc, 0x08, 0x74, 0x76 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0xf8, 0xf7, 0x07, 0xb7, 0x99, 0x9b, 0x18, 0xcb, - 0x0d, 0x6b, 0x96, 0x12, 0x4f, 0x20, 0x45, 0x97, - 0x2c, 0xa2, 0x74, 0xbf, 0xc1, 0x54, 0xad, 0x0c, - 0x87, 0x03, 0x8c, 0x24, 0xc6, 0xd0, 0xd4, 0xb2 }, - .b_public = (u8[32]){ 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0xcc, 0x1f, 0x40, 0xd7, 0x43, 0xcd, 0xc2, 0x23, - 0x0e, 0x10, 0x43, 0xda, 0xba, 0x8b, 0x75, 0xe8, - 0x10, 0xf1, 0xfb, 0xab, 0x7f, 0x25, 0x52, 0x69, - 0xbd, 0x9e, 0xbb, 0x29, 0xe6, 0xbf, 0x49, 0x4f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0xa0, 0x34, 0xf6, 0x84, 0xfa, 0x63, 0x1e, 0x1a, - 0x34, 0x81, 0x18, 0xc1, 0xce, 0x4c, 0x98, 0x23, - 0x1f, 0x2d, 0x9e, 0xec, 0x9b, 0xa5, 0x36, 0x5b, - 0x4a, 0x05, 0xd6, 0x9a, 0x78, 0x5b, 0x07, 0x96 }, - .b_public = (u8[32]){ 0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0x54, 0x99, 0x8e, 0xe4, 0x3a, 0x5b, 0x00, 0x7b, - 0xf4, 0x99, 0xf0, 0x78, 0xe7, 0x36, 0x52, 0x44, - 0x00, 0xa8, 0xb5, 0xc7, 0xe9, 0xb9, 0xb4, 0x37, - 0x71, 0x74, 0x8c, 0x7c, 0xdf, 0x88, 0x04, 0x12 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x30, 0xb6, 0xc6, 0xa0, 0xf2, 0xff, 0xa6, 0x80, - 0x76, 0x8f, 0x99, 0x2b, 0xa8, 0x9e, 0x15, 0x2d, - 0x5b, 0xc9, 0x89, 0x3d, 0x38, 0xc9, 0x11, 0x9b, - 0xe4, 0xf7, 0x67, 0xbf, 0xab, 0x6e, 0x0c, 0xa5 }, - .b_public = (u8[32]){ 0xdc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0xea, 0xd9, 0xb3, 0x8e, 0xfd, 0xd7, 0x23, 0x63, - 0x79, 0x34, 0xe5, 0x5a, 0xb7, 0x17, 0xa7, 0xae, - 0x09, 0xeb, 0x86, 0xa2, 0x1d, 0xc3, 0x6a, 0x3f, - 0xee, 0xb8, 0x8b, 0x75, 0x9e, 0x39, 0x1e, 0x09 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x90, 0x1b, 0x9d, 0xcf, 0x88, 0x1e, 0x01, 0xe0, - 0x27, 0x57, 0x50, 0x35, 0xd4, 0x0b, 0x43, 0xbd, - 0xc1, 0xc5, 0x24, 0x2e, 0x03, 0x08, 0x47, 0x49, - 0x5b, 0x0c, 0x72, 0x86, 0x46, 0x9b, 0x65, 0x91 }, - .b_public = (u8[32]){ 0xea, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0x60, 0x2f, 0xf4, 0x07, 0x89, 0xb5, 0x4b, 0x41, - 0x80, 0x59, 0x15, 0xfe, 0x2a, 0x62, 0x21, 0xf0, - 0x7a, 0x50, 0xff, 0xc2, 0xc3, 0xfc, 0x94, 0xcf, - 0x61, 0xf1, 0x3d, 0x79, 0x04, 0xe8, 0x8e, 0x0e }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x80, 0x46, 0x67, 0x7c, 0x28, 0xfd, 0x82, 0xc9, - 0xa1, 0xbd, 0xb7, 0x1a, 0x1a, 0x1a, 0x34, 0xfa, - 0xba, 0x12, 0x25, 0xe2, 0x50, 0x7f, 0xe3, 0xf5, - 0x4d, 0x10, 0xbd, 0x5b, 0x0d, 0x86, 0x5f, 0x8e }, - .b_public = (u8[32]){ 0xeb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0xe0, 0x0a, 0xe8, 0xb1, 0x43, 0x47, 0x12, 0x47, - 0xba, 0x24, 0xf1, 0x2c, 0x88, 0x55, 0x36, 0xc3, - 0xcb, 0x98, 0x1b, 0x58, 0xe1, 0xe5, 0x6b, 0x2b, - 0xaf, 0x35, 0xc1, 0x2a, 0xe1, 0xf7, 0x9c, 0x26 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x60, 0x2f, 0x7e, 0x2f, 0x68, 0xa8, 0x46, 0xb8, - 0x2c, 0xc2, 0x69, 0xb1, 0xd4, 0x8e, 0x93, 0x98, - 0x86, 0xae, 0x54, 0xfd, 0x63, 0x6c, 0x1f, 0xe0, - 0x74, 0xd7, 0x10, 0x12, 0x7d, 0x47, 0x24, 0x91 }, - .b_public = (u8[32]){ 0xef, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0x98, 0xcb, 0x9b, 0x50, 0xdd, 0x3f, 0xc2, 0xb0, - 0xd4, 0xf2, 0xd2, 0xbf, 0x7c, 0x5c, 0xfd, 0xd1, - 0x0c, 0x8f, 0xcd, 0x31, 0xfc, 0x40, 0xaf, 0x1a, - 0xd4, 0x4f, 0x47, 0xc1, 0x31, 0x37, 0x63, 0x62 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x60, 0x88, 0x7b, 0x3d, 0xc7, 0x24, 0x43, 0x02, - 0x6e, 0xbe, 0xdb, 0xbb, 0xb7, 0x06, 0x65, 0xf4, - 0x2b, 0x87, 0xad, 0xd1, 0x44, 0x0e, 0x77, 0x68, - 0xfb, 0xd7, 0xe8, 0xe2, 0xce, 0x5f, 0x63, 0x9d }, - .b_public = (u8[32]){ 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0x38, 0xd6, 0x30, 0x4c, 0x4a, 0x7e, 0x6d, 0x9f, - 0x79, 0x59, 0x33, 0x4f, 0xb5, 0x24, 0x5b, 0xd2, - 0xc7, 0x54, 0x52, 0x5d, 0x4c, 0x91, 0xdb, 0x95, - 0x02, 0x06, 0x92, 0x62, 0x34, 0xc1, 0xf6, 0x33 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0x78, 0xd3, 0x1d, 0xfa, 0x85, 0x44, 0x97, 0xd7, - 0x2d, 0x8d, 0xef, 0x8a, 0x1b, 0x7f, 0xb0, 0x06, - 0xce, 0xc2, 0xd8, 0xc4, 0x92, 0x46, 0x47, 0xc9, - 0x38, 0x14, 0xae, 0x56, 0xfa, 0xed, 0xa4, 0x95 }, - .b_public = (u8[32]){ 0xf1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0x78, 0x6c, 0xd5, 0x49, 0x96, 0xf0, 0x14, 0xa5, - 0xa0, 0x31, 0xec, 0x14, 0xdb, 0x81, 0x2e, 0xd0, - 0x83, 0x55, 0x06, 0x1f, 0xdb, 0x5d, 0xe6, 0x80, - 0xa8, 0x00, 0xac, 0x52, 0x1f, 0x31, 0x8e, 0x23 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - public key >= p */ -{ - .secret = (u8[32]){ 0xc0, 0x4c, 0x5b, 0xae, 0xfa, 0x83, 0x02, 0xdd, - 0xde, 0xd6, 0xa4, 0xbb, 0x95, 0x77, 0x61, 0xb4, - 0xeb, 0x97, 0xae, 0xfa, 0x4f, 0xc3, 0xb8, 0x04, - 0x30, 0x85, 0xf9, 0x6a, 0x56, 0x59, 0xb3, 0xa5 }, - .b_public = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, - .expected_ss = (u8[32]){ 0x29, 0xae, 0x8b, 0xc7, 0x3e, 0x9b, 0x10, 0xa0, - 0x8b, 0x4f, 0x68, 0x1c, 0x43, 0xc3, 0xe0, 0xac, - 0x1a, 0x17, 0x1d, 0x31, 0xb3, 0x8f, 0x1a, 0x48, - 0xef, 0xba, 0x29, 0xae, 0x63, 0x9e, 0xa1, 0x34 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - RFC 7748 */ -{ - .secret = (u8[32]){ 0xa0, 0x46, 0xe3, 0x6b, 0xf0, 0x52, 0x7c, 0x9d, - 0x3b, 0x16, 0x15, 0x4b, 0x82, 0x46, 0x5e, 0xdd, - 0x62, 0x14, 0x4c, 0x0a, 0xc1, 0xfc, 0x5a, 0x18, - 0x50, 0x6a, 0x22, 0x44, 0xba, 0x44, 0x9a, 0x44 }, - .b_public = (u8[32]){ 0xe6, 0xdb, 0x68, 0x67, 0x58, 0x30, 0x30, 0xdb, - 0x35, 0x94, 0xc1, 0xa4, 0x24, 0xb1, 0x5f, 0x7c, - 0x72, 0x66, 0x24, 0xec, 0x26, 0xb3, 0x35, 0x3b, - 0x10, 0xa9, 0x03, 0xa6, 0xd0, 0xab, 0x1c, 0x4c }, - .expected_ss = (u8[32]){ 0xc3, 0xda, 0x55, 0x37, 0x9d, 0xe9, 0xc6, 0x90, - 0x8e, 0x94, 0xea, 0x4d, 0xf2, 0x8d, 0x08, 0x4f, - 0x32, 0xec, 0xcf, 0x03, 0x49, 0x1c, 0x71, 0xf7, - 0x54, 0xb4, 0x07, 0x55, 0x77, 0xa2, 0x85, 0x52 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - RFC 7748 */ -{ - .secret = (u8[32]){ 0x48, 0x66, 0xe9, 0xd4, 0xd1, 0xb4, 0x67, 0x3c, - 0x5a, 0xd2, 0x26, 0x91, 0x95, 0x7d, 0x6a, 0xf5, - 0xc1, 0x1b, 0x64, 0x21, 0xe0, 0xea, 0x01, 0xd4, - 0x2c, 0xa4, 0x16, 0x9e, 0x79, 0x18, 0xba, 0x4d }, - .b_public = (u8[32]){ 0xe5, 0x21, 0x0f, 0x12, 0x78, 0x68, 0x11, 0xd3, - 0xf4, 0xb7, 0x95, 0x9d, 0x05, 0x38, 0xae, 0x2c, - 0x31, 0xdb, 0xe7, 0x10, 0x6f, 0xc0, 0x3c, 0x3e, - 0xfc, 0x4c, 0xd5, 0x49, 0xc7, 0x15, 0xa4, 0x13 }, - .expected_ss = (u8[32]){ 0x95, 0xcb, 0xde, 0x94, 0x76, 0xe8, 0x90, 0x7d, - 0x7a, 0xad, 0xe4, 0x5c, 0xb4, 0xb8, 0x73, 0xf8, - 0x8b, 0x59, 0x5a, 0x68, 0x79, 0x9f, 0xa1, 0x52, - 0xe6, 0xf8, 0xf7, 0x64, 0x7a, 0xac, 0x79, 0x57 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x0a, 0xb4, 0xe7, 0x63, 0x80, 0xd8, 0x4d, 0xde, - 0x4f, 0x68, 0x33, 0xc5, 0x8f, 0x2a, 0x9f, 0xb8, - 0xf8, 0x3b, 0xb0, 0x16, 0x9b, 0x17, 0x2b, 0xe4, - 0xb6, 0xe0, 0x59, 0x28, 0x87, 0x74, 0x1a, 0x36 }, - .expected_ss = (u8[32]){ 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x89, 0xe1, 0x0d, 0x57, 0x01, 0xb4, 0x33, 0x7d, - 0x2d, 0x03, 0x21, 0x81, 0x53, 0x8b, 0x10, 0x64, - 0xbd, 0x40, 0x84, 0x40, 0x1c, 0xec, 0xa1, 0xfd, - 0x12, 0x66, 0x3a, 0x19, 0x59, 0x38, 0x80, 0x00 }, - .expected_ss = (u8[32]){ 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x2b, 0x55, 0xd3, 0xaa, 0x4a, 0x8f, 0x80, 0xc8, - 0xc0, 0xb2, 0xae, 0x5f, 0x93, 0x3e, 0x85, 0xaf, - 0x49, 0xbe, 0xac, 0x36, 0xc2, 0xfa, 0x73, 0x94, - 0xba, 0xb7, 0x6c, 0x89, 0x33, 0xf8, 0xf8, 0x1d }, - .expected_ss = (u8[32]){ 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x63, 0xe5, 0xb1, 0xfe, 0x96, 0x01, 0xfe, 0x84, - 0x38, 0x5d, 0x88, 0x66, 0xb0, 0x42, 0x12, 0x62, - 0xf7, 0x8f, 0xbf, 0xa5, 0xaf, 0xf9, 0x58, 0x5e, - 0x62, 0x66, 0x79, 0xb1, 0x85, 0x47, 0xd9, 0x59 }, - .expected_ss = (u8[32]){ 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0xe4, 0x28, 0xf3, 0xda, 0xc1, 0x78, 0x09, 0xf8, - 0x27, 0xa5, 0x22, 0xce, 0x32, 0x35, 0x50, 0x58, - 0xd0, 0x73, 0x69, 0x36, 0x4a, 0xa7, 0x89, 0x02, - 0xee, 0x10, 0x13, 0x9b, 0x9f, 0x9d, 0xd6, 0x53 }, - .expected_ss = (u8[32]){ 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0xb3, 0xb5, 0x0e, 0x3e, 0xd3, 0xa4, 0x07, 0xb9, - 0x5d, 0xe9, 0x42, 0xef, 0x74, 0x57, 0x5b, 0x5a, - 0xb8, 0xa1, 0x0c, 0x09, 0xee, 0x10, 0x35, 0x44, - 0xd6, 0x0b, 0xdf, 0xed, 0x81, 0x38, 0xab, 0x2b }, - .expected_ss = (u8[32]){ 0xf9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x21, 0x3f, 0xff, 0xe9, 0x3d, 0x5e, 0xa8, 0xcd, - 0x24, 0x2e, 0x46, 0x28, 0x44, 0x02, 0x99, 0x22, - 0xc4, 0x3c, 0x77, 0xc9, 0xe3, 0xe4, 0x2f, 0x56, - 0x2f, 0x48, 0x5d, 0x24, 0xc5, 0x01, 0xa2, 0x0b }, - .expected_ss = (u8[32]){ 0xf3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x91, 0xb2, 0x32, 0xa1, 0x78, 0xb3, 0xcd, 0x53, - 0x09, 0x32, 0x44, 0x1e, 0x61, 0x39, 0x41, 0x8f, - 0x72, 0x17, 0x22, 0x92, 0xf1, 0xda, 0x4c, 0x18, - 0x34, 0xfc, 0x5e, 0xbf, 0xef, 0xb5, 0x1e, 0x3f }, - .expected_ss = (u8[32]){ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x04, 0x5c, 0x6e, 0x11, 0xc5, 0xd3, 0x32, 0x55, - 0x6c, 0x78, 0x22, 0xfe, 0x94, 0xeb, 0xf8, 0x9b, - 0x56, 0xa3, 0x87, 0x8d, 0xc2, 0x7c, 0xa0, 0x79, - 0x10, 0x30, 0x58, 0x84, 0x9f, 0xab, 0xcb, 0x4f }, - .expected_ss = (u8[32]){ 0xe5, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x1c, 0xa2, 0x19, 0x0b, 0x71, 0x16, 0x35, 0x39, - 0x06, 0x3c, 0x35, 0x77, 0x3b, 0xda, 0x0c, 0x9c, - 0x92, 0x8e, 0x91, 0x36, 0xf0, 0x62, 0x0a, 0xeb, - 0x09, 0x3f, 0x09, 0x91, 0x97, 0xb7, 0xf7, 0x4e }, - .expected_ss = (u8[32]){ 0xe3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0xf7, 0x6e, 0x90, 0x10, 0xac, 0x33, 0xc5, 0x04, - 0x3b, 0x2d, 0x3b, 0x76, 0xa8, 0x42, 0x17, 0x10, - 0x00, 0xc4, 0x91, 0x62, 0x22, 0xe9, 0xe8, 0x58, - 0x97, 0xa0, 0xae, 0xc7, 0xf6, 0x35, 0x0b, 0x3c }, - .expected_ss = (u8[32]){ 0xdd, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0xbb, 0x72, 0x68, 0x8d, 0x8f, 0x8a, 0xa7, 0xa3, - 0x9c, 0xd6, 0x06, 0x0c, 0xd5, 0xc8, 0x09, 0x3c, - 0xde, 0xc6, 0xfe, 0x34, 0x19, 0x37, 0xc3, 0x88, - 0x6a, 0x99, 0x34, 0x6c, 0xd0, 0x7f, 0xaa, 0x55 }, - .expected_ss = (u8[32]){ 0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x88, 0xfd, 0xde, 0xa1, 0x93, 0x39, 0x1c, 0x6a, - 0x59, 0x33, 0xef, 0x9b, 0x71, 0x90, 0x15, 0x49, - 0x44, 0x72, 0x05, 0xaa, 0xe9, 0xda, 0x92, 0x8a, - 0x6b, 0x91, 0xa3, 0x52, 0xba, 0x10, 0xf4, 0x1f }, - .expected_ss = (u8[32]){ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - edge case for shared secret */ -{ - .secret = (u8[32]){ 0xa0, 0xa4, 0xf1, 0x30, 0xb9, 0x8a, 0x5b, 0xe4, - 0xb1, 0xce, 0xdb, 0x7c, 0xb8, 0x55, 0x84, 0xa3, - 0x52, 0x0e, 0x14, 0x2d, 0x47, 0x4d, 0xc9, 0xcc, - 0xb9, 0x09, 0xa0, 0x73, 0xa9, 0x76, 0xbf, 0x63 }, - .b_public = (u8[32]){ 0x30, 0x3b, 0x39, 0x2f, 0x15, 0x31, 0x16, 0xca, - 0xd9, 0xcc, 0x68, 0x2a, 0x00, 0xcc, 0xc4, 0x4c, - 0x95, 0xff, 0x0d, 0x3b, 0xbe, 0x56, 0x8b, 0xeb, - 0x6c, 0x4e, 0x73, 0x9b, 0xaf, 0xdc, 0x2c, 0x68 }, - .expected_ss = (u8[32]){ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - checking for overflow */ -{ - .secret = (u8[32]){ 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d, - 0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d, - 0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c, - 0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 }, - .b_public = (u8[32]){ 0xfd, 0x30, 0x0a, 0xeb, 0x40, 0xe1, 0xfa, 0x58, - 0x25, 0x18, 0x41, 0x2b, 0x49, 0xb2, 0x08, 0xa7, - 0x84, 0x2b, 0x1e, 0x1f, 0x05, 0x6a, 0x04, 0x01, - 0x78, 0xea, 0x41, 0x41, 0x53, 0x4f, 0x65, 0x2d }, - .expected_ss = (u8[32]){ 0xb7, 0x34, 0x10, 0x5d, 0xc2, 0x57, 0x58, 0x5d, - 0x73, 0xb5, 0x66, 0xcc, 0xb7, 0x6f, 0x06, 0x27, - 0x95, 0xcc, 0xbe, 0xc8, 0x91, 0x28, 0xe5, 0x2b, - 0x02, 0xf3, 0xe5, 0x96, 0x39, 0xf1, 0x3c, 0x46 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - checking for overflow */ -{ - .secret = (u8[32]){ 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d, - 0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d, - 0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c, - 0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 }, - .b_public = (u8[32]){ 0xc8, 0xef, 0x79, 0xb5, 0x14, 0xd7, 0x68, 0x26, - 0x77, 0xbc, 0x79, 0x31, 0xe0, 0x6e, 0xe5, 0xc2, - 0x7c, 0x9b, 0x39, 0x2b, 0x4a, 0xe9, 0x48, 0x44, - 0x73, 0xf5, 0x54, 0xe6, 0x67, 0x8e, 0xcc, 0x2e }, - .expected_ss = (u8[32]){ 0x64, 0x7a, 0x46, 0xb6, 0xfc, 0x3f, 0x40, 0xd6, - 0x21, 0x41, 0xee, 0x3c, 0xee, 0x70, 0x6b, 0x4d, - 0x7a, 0x92, 0x71, 0x59, 0x3a, 0x7b, 0x14, 0x3e, - 0x8e, 0x2e, 0x22, 0x79, 0x88, 0x3e, 0x45, 0x50 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - checking for overflow */ -{ - .secret = (u8[32]){ 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d, - 0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d, - 0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c, - 0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 }, - .b_public = (u8[32]){ 0x64, 0xae, 0xac, 0x25, 0x04, 0x14, 0x48, 0x61, - 0x53, 0x2b, 0x7b, 0xbc, 0xb6, 0xc8, 0x7d, 0x67, - 0xdd, 0x4c, 0x1f, 0x07, 0xeb, 0xc2, 0xe0, 0x6e, - 0xff, 0xb9, 0x5a, 0xec, 0xc6, 0x17, 0x0b, 0x2c }, - .expected_ss = (u8[32]){ 0x4f, 0xf0, 0x3d, 0x5f, 0xb4, 0x3c, 0xd8, 0x65, - 0x7a, 0x3c, 0xf3, 0x7c, 0x13, 0x8c, 0xad, 0xce, - 0xcc, 0xe5, 0x09, 0xe4, 0xeb, 0xa0, 0x89, 0xd0, - 0xef, 0x40, 0xb4, 0xe4, 0xfb, 0x94, 0x61, 0x55 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - checking for overflow */ -{ - .secret = (u8[32]){ 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d, - 0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d, - 0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c, - 0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 }, - .b_public = (u8[32]){ 0xbf, 0x68, 0xe3, 0x5e, 0x9b, 0xdb, 0x7e, 0xee, - 0x1b, 0x50, 0x57, 0x02, 0x21, 0x86, 0x0f, 0x5d, - 0xcd, 0xad, 0x8a, 0xcb, 0xab, 0x03, 0x1b, 0x14, - 0x97, 0x4c, 0xc4, 0x90, 0x13, 0xc4, 0x98, 0x31 }, - .expected_ss = (u8[32]){ 0x21, 0xce, 0xe5, 0x2e, 0xfd, 0xbc, 0x81, 0x2e, - 0x1d, 0x02, 0x1a, 0x4a, 0xf1, 0xe1, 0xd8, 0xbc, - 0x4d, 0xb3, 0xc4, 0x00, 0xe4, 0xd2, 0xa2, 0xc5, - 0x6a, 0x39, 0x26, 0xdb, 0x4d, 0x99, 0xc6, 0x5b }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - checking for overflow */ -{ - .secret = (u8[32]){ 0xc8, 0x17, 0x24, 0x70, 0x40, 0x00, 0xb2, 0x6d, - 0x31, 0x70, 0x3c, 0xc9, 0x7e, 0x3a, 0x37, 0x8d, - 0x56, 0xfa, 0xd8, 0x21, 0x93, 0x61, 0xc8, 0x8c, - 0xca, 0x8b, 0xd7, 0xc5, 0x71, 0x9b, 0x12, 0xb2 }, - .b_public = (u8[32]){ 0x53, 0x47, 0xc4, 0x91, 0x33, 0x1a, 0x64, 0xb4, - 0x3d, 0xdc, 0x68, 0x30, 0x34, 0xe6, 0x77, 0xf5, - 0x3d, 0xc3, 0x2b, 0x52, 0xa5, 0x2a, 0x57, 0x7c, - 0x15, 0xa8, 0x3b, 0xf2, 0x98, 0xe9, 0x9f, 0x19 }, - .expected_ss = (u8[32]){ 0x18, 0xcb, 0x89, 0xe4, 0xe2, 0x0c, 0x0c, 0x2b, - 0xd3, 0x24, 0x30, 0x52, 0x45, 0x26, 0x6c, 0x93, - 0x27, 0x69, 0x0b, 0xbe, 0x79, 0xac, 0xb8, 0x8f, - 0x5b, 0x8f, 0xb3, 0xf7, 0x4e, 0xca, 0x3e, 0x52 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - private key == -1 (mod order) */ -{ - .secret = (u8[32]){ 0xa0, 0x23, 0xcd, 0xd0, 0x83, 0xef, 0x5b, 0xb8, - 0x2f, 0x10, 0xd6, 0x2e, 0x59, 0xe1, 0x5a, 0x68, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50 }, - .b_public = (u8[32]){ 0x25, 0x8e, 0x04, 0x52, 0x3b, 0x8d, 0x25, 0x3e, - 0xe6, 0x57, 0x19, 0xfc, 0x69, 0x06, 0xc6, 0x57, - 0x19, 0x2d, 0x80, 0x71, 0x7e, 0xdc, 0x82, 0x8f, - 0xa0, 0xaf, 0x21, 0x68, 0x6e, 0x2f, 0xaa, 0x75 }, - .expected_ss = (u8[32]){ 0x25, 0x8e, 0x04, 0x52, 0x3b, 0x8d, 0x25, 0x3e, - 0xe6, 0x57, 0x19, 0xfc, 0x69, 0x06, 0xc6, 0x57, - 0x19, 0x2d, 0x80, 0x71, 0x7e, 0xdc, 0x82, 0x8f, - 0xa0, 0xaf, 0x21, 0x68, 0x6e, 0x2f, 0xaa, 0x75 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -}, -/* wycheproof - private key == 1 (mod order) on twist */ -{ - .secret = (u8[32]){ 0x58, 0x08, 0x3d, 0xd2, 0x61, 0xad, 0x91, 0xef, - 0xf9, 0x52, 0x32, 0x2e, 0xc8, 0x24, 0xc6, 0x82, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x5f }, - .b_public = (u8[32]){ 0x2e, 0xae, 0x5e, 0xc3, 0xdd, 0x49, 0x4e, 0x9f, - 0x2d, 0x37, 0xd2, 0x58, 0xf8, 0x73, 0xa8, 0xe6, - 0xe9, 0xd0, 0xdb, 0xd1, 0xe3, 0x83, 0xef, 0x64, - 0xd9, 0x8b, 0xb9, 0x1b, 0x3e, 0x0b, 0xe0, 0x35 }, - .expected_ss = (u8[32]){ 0x2e, 0xae, 0x5e, 0xc3, 0xdd, 0x49, 0x4e, 0x9f, - 0x2d, 0x37, 0xd2, 0x58, 0xf8, 0x73, 0xa8, 0xe6, - 0xe9, 0xd0, 0xdb, 0xd1, 0xe3, 0x83, 0xef, 0x64, - 0xd9, 0x8b, 0xb9, 0x1b, 0x3e, 0x0b, 0xe0, 0x35 }, - .secret_size = 32, - .b_public_size = 32, - .expected_ss_size = 32, - -} -}; - static const struct kpp_testvec ecdh_p192_tv_template[] = { { .secret = @@ -5209,309 +4780,6 @@ static const struct hash_testvec rmd160_tv_template[] = { } }; -static const u8 zeroes[4096] = { [0 ... 4095] = 0 }; -static const u8 ones[4096] = { [0 ... 4095] = 0xff }; - -static const struct hash_testvec crc64_rocksoft_tv_template[] = { - { - .plaintext = zeroes, - .psize = 4096, - .digest = "\x4e\xb6\x22\xeb\x67\xd3\x82\x64", - }, { - .plaintext = ones, - .psize = 4096, - .digest = "\xac\xa3\xec\x02\x73\xba\xdd\xc0", - } -}; - -static const struct hash_testvec crct10dif_tv_template[] = { - { - .plaintext = "abc", - .psize = 3, - .digest = (u8 *)(u16 []){ 0x443b }, - }, { - .plaintext = "1234567890123456789012345678901234567890" - "123456789012345678901234567890123456789", - .psize = 79, - .digest = (u8 *)(u16 []){ 0x4b70 }, - }, { - .plaintext = "abcdddddddddddddddddddddddddddddddddddddddd" - "ddddddddddddd", - .psize = 56, - .digest = (u8 *)(u16 []){ 0x9ce3 }, - }, { - .plaintext = "1234567890123456789012345678901234567890" - "1234567890123456789012345678901234567890" - "1234567890123456789012345678901234567890" - "1234567890123456789012345678901234567890" - "1234567890123456789012345678901234567890" - "1234567890123456789012345678901234567890" - "1234567890123456789012345678901234567890" - "123456789012345678901234567890123456789", - .psize = 319, - .digest = (u8 *)(u16 []){ 0x44c6 }, - }, { - .plaintext = "\x6e\x05\x79\x10\xa7\x1b\xb2\x49" - "\xe0\x54\xeb\x82\x19\x8d\x24\xbb" - "\x2f\xc6\x5d\xf4\x68\xff\x96\x0a" - "\xa1\x38\xcf\x43\xda\x71\x08\x7c" - "\x13\xaa\x1e\xb5\x4c\xe3\x57\xee" - "\x85\x1c\x90\x27\xbe\x32\xc9\x60" - "\xf7\x6b\x02\x99\x0d\xa4\x3b\xd2" - "\x46\xdd\x74\x0b\x7f\x16\xad\x21" - "\xb8\x4f\xe6\x5a\xf1\x88\x1f\x93" - "\x2a\xc1\x35\xcc\x63\xfa\x6e\x05" - "\x9c\x10\xa7\x3e\xd5\x49\xe0\x77" - "\x0e\x82\x19\xb0\x24\xbb\x52\xe9" - "\x5d\xf4\x8b\x22\x96\x2d\xc4\x38" - "\xcf\x66\xfd\x71\x08\x9f\x13\xaa" - "\x41\xd8\x4c\xe3\x7a\x11\x85\x1c" - "\xb3\x27\xbe\x55\xec\x60\xf7\x8e" - "\x02\x99\x30\xc7\x3b\xd2\x69\x00" - "\x74\x0b\xa2\x16\xad\x44\xdb\x4f" - "\xe6\x7d\x14\x88\x1f\xb6\x2a\xc1" - "\x58\xef\x63\xfa\x91\x05\x9c\x33" - "\xca\x3e\xd5\x6c\x03\x77\x0e\xa5" - "\x19\xb0\x47\xde\x52\xe9\x80\x17" - "\x8b\x22\xb9\x2d\xc4\x5b\xf2\x66" - "\xfd\x94\x08\x9f\x36\xcd\x41\xd8" - "\x6f\x06\x7a\x11\xa8\x1c\xb3\x4a" - "\xe1\x55\xec\x83\x1a\x8e\x25\xbc" - "\x30\xc7\x5e\xf5\x69\x00\x97\x0b" - "\xa2\x39\xd0\x44\xdb\x72\x09\x7d" - "\x14\xab\x1f\xb6\x4d\xe4\x58\xef" - "\x86\x1d\x91\x28\xbf\x33\xca\x61" - "\xf8\x6c\x03\x9a\x0e\xa5\x3c\xd3" - "\x47\xde\x75\x0c\x80\x17\xae\x22" - "\xb9\x50\xe7\x5b\xf2\x89\x20\x94" - "\x2b\xc2\x36\xcd\x64\xfb\x6f\x06" - "\x9d\x11\xa8\x3f\xd6\x4a\xe1\x78" - "\x0f\x83\x1a\xb1\x25\xbc\x53\xea" - "\x5e\xf5\x8c\x00\x97\x2e\xc5\x39" - "\xd0\x67\xfe\x72\x09\xa0\x14\xab" - "\x42\xd9\x4d\xe4\x7b\x12\x86\x1d" - "\xb4\x28\xbf\x56\xed\x61\xf8\x8f" - "\x03\x9a\x31\xc8\x3c\xd3\x6a\x01" - "\x75\x0c\xa3\x17\xae\x45\xdc\x50" - "\xe7\x7e\x15\x89\x20\xb7\x2b\xc2" - "\x59\xf0\x64\xfb\x92\x06\x9d\x34" - "\xcb\x3f\xd6\x6d\x04\x78\x0f\xa6" - "\x1a\xb1\x48\xdf\x53\xea\x81\x18" - "\x8c\x23\xba\x2e\xc5\x5c\xf3\x67" - "\xfe\x95\x09\xa0\x37\xce\x42\xd9" - "\x70\x07\x7b\x12\xa9\x1d\xb4\x4b" - "\xe2\x56\xed\x84\x1b\x8f\x26\xbd" - "\x31\xc8\x5f\xf6\x6a\x01\x98\x0c" - "\xa3\x3a\xd1\x45\xdc\x73\x0a\x7e" - "\x15\xac\x20\xb7\x4e\xe5\x59\xf0" - "\x87\x1e\x92\x29\xc0\x34\xcb\x62" - "\xf9\x6d\x04\x9b\x0f\xa6\x3d\xd4" - "\x48\xdf\x76\x0d\x81\x18\xaf\x23" - "\xba\x51\xe8\x5c\xf3\x8a\x21\x95" - "\x2c\xc3\x37\xce\x65\xfc\x70\x07" - "\x9e\x12\xa9\x40\xd7\x4b\xe2\x79" - "\x10\x84\x1b\xb2\x26\xbd\x54\xeb" - "\x5f\xf6\x8d\x01\x98\x2f\xc6\x3a" - "\xd1\x68\xff\x73\x0a\xa1\x15\xac" - "\x43\xda\x4e\xe5\x7c\x13\x87\x1e" - "\xb5\x29\xc0\x57\xee\x62\xf9\x90" - "\x04\x9b\x32\xc9\x3d\xd4\x6b\x02" - "\x76\x0d\xa4\x18\xaf\x46\xdd\x51" - "\xe8\x7f\x16\x8a\x21\xb8\x2c\xc3" - "\x5a\xf1\x65\xfc\x93\x07\x9e\x35" - "\xcc\x40\xd7\x6e\x05\x79\x10\xa7" - "\x1b\xb2\x49\xe0\x54\xeb\x82\x19" - "\x8d\x24\xbb\x2f\xc6\x5d\xf4\x68" - "\xff\x96\x0a\xa1\x38\xcf\x43\xda" - "\x71\x08\x7c\x13\xaa\x1e\xb5\x4c" - "\xe3\x57\xee\x85\x1c\x90\x27\xbe" - "\x32\xc9\x60\xf7\x6b\x02\x99\x0d" - "\xa4\x3b\xd2\x46\xdd\x74\x0b\x7f" - "\x16\xad\x21\xb8\x4f\xe6\x5a\xf1" - "\x88\x1f\x93\x2a\xc1\x35\xcc\x63" - "\xfa\x6e\x05\x9c\x10\xa7\x3e\xd5" - "\x49\xe0\x77\x0e\x82\x19\xb0\x24" - "\xbb\x52\xe9\x5d\xf4\x8b\x22\x96" - "\x2d\xc4\x38\xcf\x66\xfd\x71\x08" - "\x9f\x13\xaa\x41\xd8\x4c\xe3\x7a" - "\x11\x85\x1c\xb3\x27\xbe\x55\xec" - "\x60\xf7\x8e\x02\x99\x30\xc7\x3b" - "\xd2\x69\x00\x74\x0b\xa2\x16\xad" - "\x44\xdb\x4f\xe6\x7d\x14\x88\x1f" - "\xb6\x2a\xc1\x58\xef\x63\xfa\x91" - "\x05\x9c\x33\xca\x3e\xd5\x6c\x03" - "\x77\x0e\xa5\x19\xb0\x47\xde\x52" - "\xe9\x80\x17\x8b\x22\xb9\x2d\xc4" - "\x5b\xf2\x66\xfd\x94\x08\x9f\x36" - "\xcd\x41\xd8\x6f\x06\x7a\x11\xa8" - "\x1c\xb3\x4a\xe1\x55\xec\x83\x1a" - "\x8e\x25\xbc\x30\xc7\x5e\xf5\x69" - "\x00\x97\x0b\xa2\x39\xd0\x44\xdb" - "\x72\x09\x7d\x14\xab\x1f\xb6\x4d" - "\xe4\x58\xef\x86\x1d\x91\x28\xbf" - "\x33\xca\x61\xf8\x6c\x03\x9a\x0e" - "\xa5\x3c\xd3\x47\xde\x75\x0c\x80" - "\x17\xae\x22\xb9\x50\xe7\x5b\xf2" - "\x89\x20\x94\x2b\xc2\x36\xcd\x64" - "\xfb\x6f\x06\x9d\x11\xa8\x3f\xd6" - "\x4a\xe1\x78\x0f\x83\x1a\xb1\x25" - "\xbc\x53\xea\x5e\xf5\x8c\x00\x97" - "\x2e\xc5\x39\xd0\x67\xfe\x72\x09" - "\xa0\x14\xab\x42\xd9\x4d\xe4\x7b" - "\x12\x86\x1d\xb4\x28\xbf\x56\xed" - "\x61\xf8\x8f\x03\x9a\x31\xc8\x3c" - "\xd3\x6a\x01\x75\x0c\xa3\x17\xae" - "\x45\xdc\x50\xe7\x7e\x15\x89\x20" - "\xb7\x2b\xc2\x59\xf0\x64\xfb\x92" - "\x06\x9d\x34\xcb\x3f\xd6\x6d\x04" - "\x78\x0f\xa6\x1a\xb1\x48\xdf\x53" - "\xea\x81\x18\x8c\x23\xba\x2e\xc5" - "\x5c\xf3\x67\xfe\x95\x09\xa0\x37" - "\xce\x42\xd9\x70\x07\x7b\x12\xa9" - "\x1d\xb4\x4b\xe2\x56\xed\x84\x1b" - "\x8f\x26\xbd\x31\xc8\x5f\xf6\x6a" - "\x01\x98\x0c\xa3\x3a\xd1\x45\xdc" - "\x73\x0a\x7e\x15\xac\x20\xb7\x4e" - "\xe5\x59\xf0\x87\x1e\x92\x29\xc0" - "\x34\xcb\x62\xf9\x6d\x04\x9b\x0f" - "\xa6\x3d\xd4\x48\xdf\x76\x0d\x81" - "\x18\xaf\x23\xba\x51\xe8\x5c\xf3" - "\x8a\x21\x95\x2c\xc3\x37\xce\x65" - "\xfc\x70\x07\x9e\x12\xa9\x40\xd7" - "\x4b\xe2\x79\x10\x84\x1b\xb2\x26" - "\xbd\x54\xeb\x5f\xf6\x8d\x01\x98" - "\x2f\xc6\x3a\xd1\x68\xff\x73\x0a" - "\xa1\x15\xac\x43\xda\x4e\xe5\x7c" - "\x13\x87\x1e\xb5\x29\xc0\x57\xee" - "\x62\xf9\x90\x04\x9b\x32\xc9\x3d" - "\xd4\x6b\x02\x76\x0d\xa4\x18\xaf" - "\x46\xdd\x51\xe8\x7f\x16\x8a\x21" - "\xb8\x2c\xc3\x5a\xf1\x65\xfc\x93" - "\x07\x9e\x35\xcc\x40\xd7\x6e\x05" - "\x79\x10\xa7\x1b\xb2\x49\xe0\x54" - "\xeb\x82\x19\x8d\x24\xbb\x2f\xc6" - "\x5d\xf4\x68\xff\x96\x0a\xa1\x38" - "\xcf\x43\xda\x71\x08\x7c\x13\xaa" - "\x1e\xb5\x4c\xe3\x57\xee\x85\x1c" - "\x90\x27\xbe\x32\xc9\x60\xf7\x6b" - "\x02\x99\x0d\xa4\x3b\xd2\x46\xdd" - "\x74\x0b\x7f\x16\xad\x21\xb8\x4f" - "\xe6\x5a\xf1\x88\x1f\x93\x2a\xc1" - "\x35\xcc\x63\xfa\x6e\x05\x9c\x10" - "\xa7\x3e\xd5\x49\xe0\x77\x0e\x82" - "\x19\xb0\x24\xbb\x52\xe9\x5d\xf4" - "\x8b\x22\x96\x2d\xc4\x38\xcf\x66" - "\xfd\x71\x08\x9f\x13\xaa\x41\xd8" - "\x4c\xe3\x7a\x11\x85\x1c\xb3\x27" - "\xbe\x55\xec\x60\xf7\x8e\x02\x99" - "\x30\xc7\x3b\xd2\x69\x00\x74\x0b" - "\xa2\x16\xad\x44\xdb\x4f\xe6\x7d" - "\x14\x88\x1f\xb6\x2a\xc1\x58\xef" - "\x63\xfa\x91\x05\x9c\x33\xca\x3e" - "\xd5\x6c\x03\x77\x0e\xa5\x19\xb0" - "\x47\xde\x52\xe9\x80\x17\x8b\x22" - "\xb9\x2d\xc4\x5b\xf2\x66\xfd\x94" - "\x08\x9f\x36\xcd\x41\xd8\x6f\x06" - "\x7a\x11\xa8\x1c\xb3\x4a\xe1\x55" - "\xec\x83\x1a\x8e\x25\xbc\x30\xc7" - "\x5e\xf5\x69\x00\x97\x0b\xa2\x39" - "\xd0\x44\xdb\x72\x09\x7d\x14\xab" - "\x1f\xb6\x4d\xe4\x58\xef\x86\x1d" - "\x91\x28\xbf\x33\xca\x61\xf8\x6c" - "\x03\x9a\x0e\xa5\x3c\xd3\x47\xde" - "\x75\x0c\x80\x17\xae\x22\xb9\x50" - "\xe7\x5b\xf2\x89\x20\x94\x2b\xc2" - "\x36\xcd\x64\xfb\x6f\x06\x9d\x11" - "\xa8\x3f\xd6\x4a\xe1\x78\x0f\x83" - "\x1a\xb1\x25\xbc\x53\xea\x5e\xf5" - "\x8c\x00\x97\x2e\xc5\x39\xd0\x67" - "\xfe\x72\x09\xa0\x14\xab\x42\xd9" - "\x4d\xe4\x7b\x12\x86\x1d\xb4\x28" - "\xbf\x56\xed\x61\xf8\x8f\x03\x9a" - "\x31\xc8\x3c\xd3\x6a\x01\x75\x0c" - "\xa3\x17\xae\x45\xdc\x50\xe7\x7e" - "\x15\x89\x20\xb7\x2b\xc2\x59\xf0" - "\x64\xfb\x92\x06\x9d\x34\xcb\x3f" - "\xd6\x6d\x04\x78\x0f\xa6\x1a\xb1" - "\x48\xdf\x53\xea\x81\x18\x8c\x23" - "\xba\x2e\xc5\x5c\xf3\x67\xfe\x95" - "\x09\xa0\x37\xce\x42\xd9\x70\x07" - "\x7b\x12\xa9\x1d\xb4\x4b\xe2\x56" - "\xed\x84\x1b\x8f\x26\xbd\x31\xc8" - "\x5f\xf6\x6a\x01\x98\x0c\xa3\x3a" - "\xd1\x45\xdc\x73\x0a\x7e\x15\xac" - "\x20\xb7\x4e\xe5\x59\xf0\x87\x1e" - "\x92\x29\xc0\x34\xcb\x62\xf9\x6d" - "\x04\x9b\x0f\xa6\x3d\xd4\x48\xdf" - "\x76\x0d\x81\x18\xaf\x23\xba\x51" - "\xe8\x5c\xf3\x8a\x21\x95\x2c\xc3" - "\x37\xce\x65\xfc\x70\x07\x9e\x12" - "\xa9\x40\xd7\x4b\xe2\x79\x10\x84" - "\x1b\xb2\x26\xbd\x54\xeb\x5f\xf6" - "\x8d\x01\x98\x2f\xc6\x3a\xd1\x68" - "\xff\x73\x0a\xa1\x15\xac\x43\xda" - "\x4e\xe5\x7c\x13\x87\x1e\xb5\x29" - "\xc0\x57\xee\x62\xf9\x90\x04\x9b" - "\x32\xc9\x3d\xd4\x6b\x02\x76\x0d" - "\xa4\x18\xaf\x46\xdd\x51\xe8\x7f" - "\x16\x8a\x21\xb8\x2c\xc3\x5a\xf1" - "\x65\xfc\x93\x07\x9e\x35\xcc\x40" - "\xd7\x6e\x05\x79\x10\xa7\x1b\xb2" - "\x49\xe0\x54\xeb\x82\x19\x8d\x24" - "\xbb\x2f\xc6\x5d\xf4\x68\xff\x96" - "\x0a\xa1\x38\xcf\x43\xda\x71\x08" - "\x7c\x13\xaa\x1e\xb5\x4c\xe3\x57" - "\xee\x85\x1c\x90\x27\xbe\x32\xc9" - "\x60\xf7\x6b\x02\x99\x0d\xa4\x3b" - "\xd2\x46\xdd\x74\x0b\x7f\x16\xad" - "\x21\xb8\x4f\xe6\x5a\xf1\x88\x1f" - "\x93\x2a\xc1\x35\xcc\x63\xfa\x6e" - "\x05\x9c\x10\xa7\x3e\xd5\x49\xe0" - "\x77\x0e\x82\x19\xb0\x24\xbb\x52" - "\xe9\x5d\xf4\x8b\x22\x96\x2d\xc4" - "\x38\xcf\x66\xfd\x71\x08\x9f\x13" - "\xaa\x41\xd8\x4c\xe3\x7a\x11\x85" - "\x1c\xb3\x27\xbe\x55\xec\x60\xf7" - "\x8e\x02\x99\x30\xc7\x3b\xd2\x69" - "\x00\x74\x0b\xa2\x16\xad\x44\xdb" - "\x4f\xe6\x7d\x14\x88\x1f\xb6\x2a" - "\xc1\x58\xef\x63\xfa\x91\x05\x9c" - "\x33\xca\x3e\xd5\x6c\x03\x77\x0e" - "\xa5\x19\xb0\x47\xde\x52\xe9\x80" - "\x17\x8b\x22\xb9\x2d\xc4\x5b\xf2" - "\x66\xfd\x94\x08\x9f\x36\xcd\x41" - "\xd8\x6f\x06\x7a\x11\xa8\x1c\xb3" - "\x4a\xe1\x55\xec\x83\x1a\x8e\x25" - "\xbc\x30\xc7\x5e\xf5\x69\x00\x97" - "\x0b\xa2\x39\xd0\x44\xdb\x72\x09" - "\x7d\x14\xab\x1f\xb6\x4d\xe4\x58" - "\xef\x86\x1d\x91\x28\xbf\x33\xca" - "\x61\xf8\x6c\x03\x9a\x0e\xa5\x3c" - "\xd3\x47\xde\x75\x0c\x80\x17\xae" - "\x22\xb9\x50\xe7\x5b\xf2\x89\x20" - "\x94\x2b\xc2\x36\xcd\x64\xfb\x6f" - "\x06\x9d\x11\xa8\x3f\xd6\x4a\xe1" - "\x78\x0f\x83\x1a\xb1\x25\xbc\x53" - "\xea\x5e\xf5\x8c\x00\x97\x2e\xc5" - "\x39\xd0\x67\xfe\x72\x09\xa0\x14" - "\xab\x42\xd9\x4d\xe4\x7b\x12\x86" - "\x1d\xb4\x28\xbf\x56\xed\x61\xf8" - "\x8f\x03\x9a\x31\xc8\x3c\xd3\x6a" - "\x01\x75\x0c\xa3\x17\xae\x45\xdc" - "\x50\xe7\x7e\x15\x89\x20\xb7\x2b" - "\xc2\x59\xf0\x64\xfb\x92\x06\x9d" - "\x34\xcb\x3f\xd6\x6d\x04\x78\x0f" - "\xa6\x1a\xb1\x48\xdf\x53\xea\x81" - "\x18\x8c\x23\xba\x2e\xc5\x5c\xf3" - "\x67\xfe\x95\x09\xa0\x37\xce\x42" - "\xd9\x70\x07\x7b\x12\xa9\x1d\xb4" - "\x4b\xe2\x56\xed\x84\x1b\x8f\x26" - "\xbd\x31\xc8\x5f\xf6\x6a\x01\x98", - .psize = 2048, - .digest = (u8 *)(u16 []){ 0x23ca }, - } -}; - /* * Streebog test vectors from RFC 6986 and GOST R 34.11-2012 */ @@ -5628,65 +4896,6 @@ static const struct hash_testvec hmac_streebog512_tv_template[] = { }, }; -/* - * SM2 test vectors. - */ -static const struct akcipher_testvec sm2_tv_template[] = { - { /* Generated from openssl */ - .key = - "\x04" - "\x8e\xa0\x33\x69\x91\x7e\x3d\xec\xad\x8e\xf0\x45\x5e\x13\x3e\x68" - "\x5b\x8c\xab\x5c\xc6\xc8\x50\xdf\x91\x00\xe0\x24\x73\x4d\x31\xf2" - "\x2e\xc0\xd5\x6b\xee\xda\x98\x93\xec\xd8\x36\xaa\xb9\xcf\x63\x82" - "\xef\xa7\x1a\x03\xed\x16\xba\x74\xb8\x8b\xf9\xe5\x70\x39\xa4\x70", - .key_len = 65, - .param_len = 0, - .c = - "\x30\x45" - "\x02\x20" - "\x70\xab\xb6\x7d\xd6\x54\x80\x64\x42\x7e\x2d\x05\x08\x36\xc9\x96" - "\x25\xc2\xbb\xff\x08\xe5\x43\x15\x5e\xf3\x06\xd9\x2b\x2f\x0a\x9f" - "\x02\x21" - "\x00" - "\xbf\x21\x5f\x7e\x5d\x3f\x1a\x4d\x8f\x84\xc2\xe9\xa6\x4c\xa4\x18" - "\xb2\xb8\x46\xf4\x32\x96\xfa\x57\xc6\x29\xd4\x89\xae\xcc\xda\xdb", - .c_size = 71, - .algo = OID_SM2_with_SM3, - .m = - "\x47\xa7\xbf\xd3\xda\xc4\x79\xee\xda\x8b\x4f\xe8\x40\x94\xd4\x32" - "\x8f\xf1\xcd\x68\x4d\xbd\x9b\x1d\xe0\xd8\x9a\x5d\xad\x85\x47\x5c", - .m_size = 32, - .public_key_vec = true, - .siggen_sigver_test = true, - }, - { /* From libgcrypt */ - .key = - "\x04" - "\x87\x59\x38\x9a\x34\xaa\xad\x07\xec\xf4\xe0\xc8\xc2\x65\x0a\x44" - "\x59\xc8\xd9\x26\xee\x23\x78\x32\x4e\x02\x61\xc5\x25\x38\xcb\x47" - "\x75\x28\x10\x6b\x1e\x0b\x7c\x8d\xd5\xff\x29\xa9\xc8\x6a\x89\x06" - "\x56\x56\xeb\x33\x15\x4b\xc0\x55\x60\x91\xef\x8a\xc9\xd1\x7d\x78", - .key_len = 65, - .param_len = 0, - .c = - "\x30\x44" - "\x02\x20" - "\xd9\xec\xef\xe8\x5f\xee\x3c\x59\x57\x8e\x5b\xab\xb3\x02\xe1\x42" - "\x4b\x67\x2c\x0b\x26\xb6\x51\x2c\x3e\xfc\xc6\x49\xec\xfe\x89\xe5" - "\x02\x20" - "\x43\x45\xd0\xa5\xff\xe5\x13\x27\x26\xd0\xec\x37\xad\x24\x1e\x9a" - "\x71\x9a\xa4\x89\xb0\x7e\x0f\xc4\xbb\x2d\x50\xd0\xe5\x7f\x7a\x68", - .c_size = 70, - .algo = OID_SM2_with_SM3, - .m = - "\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x00" - "\x12\x34\x56\x78\x9a\xbc\xde\xf0\x12\x34\x56\x78\x9a\xbc\xde\xf0", - .m_size = 32, - .public_key_vec = true, - .siggen_sigver_test = true, - }, -}; - /* Example vectors below taken from * http://www.oscca.gov.cn/UpFile/20101222141857786.pdf * @@ -7809,159 +7018,6 @@ static const struct hash_testvec aes_xcbc128_tv_template[] = { } }; -static const char vmac64_string1[144] = { - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - '\x01', '\x01', '\x01', '\x01', '\x02', '\x03', '\x02', '\x02', - '\x02', '\x04', '\x01', '\x07', '\x04', '\x01', '\x04', '\x03', -}; - -static const char vmac64_string2[144] = { - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - 'a', 'b', 'c', -}; - -static const char vmac64_string3[144] = { - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - 'a', 'b', 'c', 'a', 'b', 'c', 'a', 'b', - 'c', 'a', 'b', 'c', 'a', 'b', 'c', 'a', - 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c', - 'a', 'b', 'c', 'a', 'b', 'c', 'a', 'b', - 'c', 'a', 'b', 'c', 'a', 'b', 'c', 'a', - 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c', -}; - -static const char vmac64_string4[33] = { - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - 'b', 'c', 'e', 'f', 'i', 'j', 'l', 'm', - 'o', 'p', 'r', 's', 't', 'u', 'w', 'x', - 'z', -}; - -static const char vmac64_string5[143] = { - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - 'r', 'm', 'b', 't', 'c', 'o', 'l', 'k', - ']', '%', '9', '2', '7', '!', 'A', -}; - -static const char vmac64_string6[145] = { - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', - 'p', 't', '*', '7', 'l', 'i', '!', '#', - 'w', '0', 'z', '/', '4', 'A', 'n', -}; - -static const struct hash_testvec vmac64_aes_tv_template[] = { - { /* draft-krovetz-vmac-01 test vector 1 */ - .key = "abcdefghijklmnop", - .ksize = 16, - .plaintext = "\0\0\0\0\0\0\0\0bcdefghi", - .psize = 16, - .digest = "\x25\x76\xbe\x1c\x56\xd8\xb8\x1b", - }, { /* draft-krovetz-vmac-01 test vector 2 */ - .key = "abcdefghijklmnop", - .ksize = 16, - .plaintext = "\0\0\0\0\0\0\0\0bcdefghiabc", - .psize = 19, - .digest = "\x2d\x37\x6c\xf5\xb1\x81\x3c\xe5", - }, { /* draft-krovetz-vmac-01 test vector 3 */ - .key = "abcdefghijklmnop", - .ksize = 16, - .plaintext = "\0\0\0\0\0\0\0\0bcdefghi" - "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc", - .psize = 64, - .digest = "\xe8\x42\x1f\x61\xd5\x73\xd2\x98", - }, { /* draft-krovetz-vmac-01 test vector 4 */ - .key = "abcdefghijklmnop", - .ksize = 16, - .plaintext = "\0\0\0\0\0\0\0\0bcdefghi" - "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc" - "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc" - "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc" - "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc" - "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc" - "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabc", - .psize = 316, - .digest = "\x44\x92\xdf\x6c\x5c\xac\x1b\xbe", - }, { - .key = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ksize = 16, - .plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 16, - .digest = "\x54\x7b\xa4\x77\x35\x80\x58\x07", - }, { - .key = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ksize = 16, - .plaintext = vmac64_string1, - .psize = sizeof(vmac64_string1), - .digest = "\xa1\x8c\x68\xae\xd3\x3c\xf5\xce", - }, { - .key = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ksize = 16, - .plaintext = vmac64_string2, - .psize = sizeof(vmac64_string2), - .digest = "\x2d\x14\xbd\x81\x73\xb0\x27\xc9", - }, { - .key = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ksize = 16, - .plaintext = vmac64_string3, - .psize = sizeof(vmac64_string3), - .digest = "\x19\x0b\x47\x98\x8c\x95\x1a\x8d", - }, { - .key = "abcdefghijklmnop", - .ksize = 16, - .plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 16, - .digest = "\x84\x8f\x55\x9e\x26\xa1\x89\x3b", - }, { - .key = "abcdefghijklmnop", - .ksize = 16, - .plaintext = vmac64_string1, - .psize = sizeof(vmac64_string1), - .digest = "\xc2\x74\x8d\xf6\xb0\xab\x5e\xab", - }, { - .key = "abcdefghijklmnop", - .ksize = 16, - .plaintext = vmac64_string2, - .psize = sizeof(vmac64_string2), - .digest = "\xdf\x09\x7b\x3d\x42\x68\x15\x11", - }, { - .key = "abcdefghijklmnop", - .ksize = 16, - .plaintext = vmac64_string3, - .psize = sizeof(vmac64_string3), - .digest = "\xd4\xfa\x8f\xed\xe1\x8f\x32\x8b", - }, { - .key = "a09b5cd!f#07K\x00\x00\x00", - .ksize = 16, - .plaintext = vmac64_string4, - .psize = sizeof(vmac64_string4), - .digest = "\x5f\xa1\x4e\x42\xea\x0f\xa5\xab", - }, { - .key = "a09b5cd!f#07K\x00\x00\x00", - .ksize = 16, - .plaintext = vmac64_string5, - .psize = sizeof(vmac64_string5), - .digest = "\x60\x67\xe8\x1d\xbc\x98\x31\x25", - }, { - .key = "a09b5cd!f#07K\x00\x00\x00", - .ksize = 16, - .plaintext = vmac64_string6, - .psize = sizeof(vmac64_string6), - .digest = "\x41\xeb\x65\x95\x47\x9b\xae\xc4", - }, -}; - /* * SHA384 HMAC test vectors from RFC4231 */ @@ -8543,294 +7599,6 @@ static const struct hash_testvec hmac_sha3_512_tv_template[] = { }, }; -/* - * Poly1305 test vectors from RFC7539 A.3. - */ - -static const struct hash_testvec poly1305_tv_template[] = { - { /* Test Vector #1 */ - .plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 96, - .digest = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - }, { /* Test Vector #2 */ - .plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x36\xe5\xf6\xb5\xc5\xe0\x60\x70" - "\xf0\xef\xca\x96\x22\x7a\x86\x3e" - "\x41\x6e\x79\x20\x73\x75\x62\x6d" - "\x69\x73\x73\x69\x6f\x6e\x20\x74" - "\x6f\x20\x74\x68\x65\x20\x49\x45" - "\x54\x46\x20\x69\x6e\x74\x65\x6e" - "\x64\x65\x64\x20\x62\x79\x20\x74" - "\x68\x65\x20\x43\x6f\x6e\x74\x72" - "\x69\x62\x75\x74\x6f\x72\x20\x66" - "\x6f\x72\x20\x70\x75\x62\x6c\x69" - "\x63\x61\x74\x69\x6f\x6e\x20\x61" - "\x73\x20\x61\x6c\x6c\x20\x6f\x72" - "\x20\x70\x61\x72\x74\x20\x6f\x66" - "\x20\x61\x6e\x20\x49\x45\x54\x46" - "\x20\x49\x6e\x74\x65\x72\x6e\x65" - "\x74\x2d\x44\x72\x61\x66\x74\x20" - "\x6f\x72\x20\x52\x46\x43\x20\x61" - "\x6e\x64\x20\x61\x6e\x79\x20\x73" - "\x74\x61\x74\x65\x6d\x65\x6e\x74" - "\x20\x6d\x61\x64\x65\x20\x77\x69" - "\x74\x68\x69\x6e\x20\x74\x68\x65" - "\x20\x63\x6f\x6e\x74\x65\x78\x74" - "\x20\x6f\x66\x20\x61\x6e\x20\x49" - "\x45\x54\x46\x20\x61\x63\x74\x69" - "\x76\x69\x74\x79\x20\x69\x73\x20" - "\x63\x6f\x6e\x73\x69\x64\x65\x72" - "\x65\x64\x20\x61\x6e\x20\x22\x49" - "\x45\x54\x46\x20\x43\x6f\x6e\x74" - "\x72\x69\x62\x75\x74\x69\x6f\x6e" - "\x22\x2e\x20\x53\x75\x63\x68\x20" - "\x73\x74\x61\x74\x65\x6d\x65\x6e" - "\x74\x73\x20\x69\x6e\x63\x6c\x75" - "\x64\x65\x20\x6f\x72\x61\x6c\x20" - "\x73\x74\x61\x74\x65\x6d\x65\x6e" - "\x74\x73\x20\x69\x6e\x20\x49\x45" - "\x54\x46\x20\x73\x65\x73\x73\x69" - "\x6f\x6e\x73\x2c\x20\x61\x73\x20" - "\x77\x65\x6c\x6c\x20\x61\x73\x20" - "\x77\x72\x69\x74\x74\x65\x6e\x20" - "\x61\x6e\x64\x20\x65\x6c\x65\x63" - "\x74\x72\x6f\x6e\x69\x63\x20\x63" - "\x6f\x6d\x6d\x75\x6e\x69\x63\x61" - "\x74\x69\x6f\x6e\x73\x20\x6d\x61" - "\x64\x65\x20\x61\x74\x20\x61\x6e" - "\x79\x20\x74\x69\x6d\x65\x20\x6f" - "\x72\x20\x70\x6c\x61\x63\x65\x2c" - "\x20\x77\x68\x69\x63\x68\x20\x61" - "\x72\x65\x20\x61\x64\x64\x72\x65" - "\x73\x73\x65\x64\x20\x74\x6f", - .psize = 407, - .digest = "\x36\xe5\xf6\xb5\xc5\xe0\x60\x70" - "\xf0\xef\xca\x96\x22\x7a\x86\x3e", - }, { /* Test Vector #3 */ - .plaintext = "\x36\xe5\xf6\xb5\xc5\xe0\x60\x70" - "\xf0\xef\xca\x96\x22\x7a\x86\x3e" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x41\x6e\x79\x20\x73\x75\x62\x6d" - "\x69\x73\x73\x69\x6f\x6e\x20\x74" - "\x6f\x20\x74\x68\x65\x20\x49\x45" - "\x54\x46\x20\x69\x6e\x74\x65\x6e" - "\x64\x65\x64\x20\x62\x79\x20\x74" - "\x68\x65\x20\x43\x6f\x6e\x74\x72" - "\x69\x62\x75\x74\x6f\x72\x20\x66" - "\x6f\x72\x20\x70\x75\x62\x6c\x69" - "\x63\x61\x74\x69\x6f\x6e\x20\x61" - "\x73\x20\x61\x6c\x6c\x20\x6f\x72" - "\x20\x70\x61\x72\x74\x20\x6f\x66" - "\x20\x61\x6e\x20\x49\x45\x54\x46" - "\x20\x49\x6e\x74\x65\x72\x6e\x65" - "\x74\x2d\x44\x72\x61\x66\x74\x20" - "\x6f\x72\x20\x52\x46\x43\x20\x61" - "\x6e\x64\x20\x61\x6e\x79\x20\x73" - "\x74\x61\x74\x65\x6d\x65\x6e\x74" - "\x20\x6d\x61\x64\x65\x20\x77\x69" - "\x74\x68\x69\x6e\x20\x74\x68\x65" - "\x20\x63\x6f\x6e\x74\x65\x78\x74" - "\x20\x6f\x66\x20\x61\x6e\x20\x49" - "\x45\x54\x46\x20\x61\x63\x74\x69" - "\x76\x69\x74\x79\x20\x69\x73\x20" - "\x63\x6f\x6e\x73\x69\x64\x65\x72" - "\x65\x64\x20\x61\x6e\x20\x22\x49" - "\x45\x54\x46\x20\x43\x6f\x6e\x74" - "\x72\x69\x62\x75\x74\x69\x6f\x6e" - "\x22\x2e\x20\x53\x75\x63\x68\x20" - "\x73\x74\x61\x74\x65\x6d\x65\x6e" - "\x74\x73\x20\x69\x6e\x63\x6c\x75" - "\x64\x65\x20\x6f\x72\x61\x6c\x20" - "\x73\x74\x61\x74\x65\x6d\x65\x6e" - "\x74\x73\x20\x69\x6e\x20\x49\x45" - "\x54\x46\x20\x73\x65\x73\x73\x69" - "\x6f\x6e\x73\x2c\x20\x61\x73\x20" - "\x77\x65\x6c\x6c\x20\x61\x73\x20" - "\x77\x72\x69\x74\x74\x65\x6e\x20" - "\x61\x6e\x64\x20\x65\x6c\x65\x63" - "\x74\x72\x6f\x6e\x69\x63\x20\x63" - "\x6f\x6d\x6d\x75\x6e\x69\x63\x61" - "\x74\x69\x6f\x6e\x73\x20\x6d\x61" - "\x64\x65\x20\x61\x74\x20\x61\x6e" - "\x79\x20\x74\x69\x6d\x65\x20\x6f" - "\x72\x20\x70\x6c\x61\x63\x65\x2c" - "\x20\x77\x68\x69\x63\x68\x20\x61" - "\x72\x65\x20\x61\x64\x64\x72\x65" - "\x73\x73\x65\x64\x20\x74\x6f", - .psize = 407, - .digest = "\xf3\x47\x7e\x7c\xd9\x54\x17\xaf" - "\x89\xa6\xb8\x79\x4c\x31\x0c\xf0", - }, { /* Test Vector #4 */ - .plaintext = "\x1c\x92\x40\xa5\xeb\x55\xd3\x8a" - "\xf3\x33\x88\x86\x04\xf6\xb5\xf0" - "\x47\x39\x17\xc1\x40\x2b\x80\x09" - "\x9d\xca\x5c\xbc\x20\x70\x75\xc0" - "\x27\x54\x77\x61\x73\x20\x62\x72" - "\x69\x6c\x6c\x69\x67\x2c\x20\x61" - "\x6e\x64\x20\x74\x68\x65\x20\x73" - "\x6c\x69\x74\x68\x79\x20\x74\x6f" - "\x76\x65\x73\x0a\x44\x69\x64\x20" - "\x67\x79\x72\x65\x20\x61\x6e\x64" - "\x20\x67\x69\x6d\x62\x6c\x65\x20" - "\x69\x6e\x20\x74\x68\x65\x20\x77" - "\x61\x62\x65\x3a\x0a\x41\x6c\x6c" - "\x20\x6d\x69\x6d\x73\x79\x20\x77" - "\x65\x72\x65\x20\x74\x68\x65\x20" - "\x62\x6f\x72\x6f\x67\x6f\x76\x65" - "\x73\x2c\x0a\x41\x6e\x64\x20\x74" - "\x68\x65\x20\x6d\x6f\x6d\x65\x20" - "\x72\x61\x74\x68\x73\x20\x6f\x75" - "\x74\x67\x72\x61\x62\x65\x2e", - .psize = 159, - .digest = "\x45\x41\x66\x9a\x7e\xaa\xee\x61" - "\xe7\x08\xdc\x7c\xbc\xc5\xeb\x62", - }, { /* Test Vector #5 */ - .plaintext = "\x02\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff", - .psize = 48, - .digest = "\x03\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - }, { /* Test Vector #6 */ - .plaintext = "\x02\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\x02\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 48, - .digest = "\x03\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - }, { /* Test Vector #7 */ - .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xf0\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\x11\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 80, - .digest = "\x05\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - }, { /* Test Vector #8 */ - .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xfb\xfe\xfe\xfe\xfe\xfe\xfe\xfe" - "\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfe" - "\x01\x01\x01\x01\x01\x01\x01\x01" - "\x01\x01\x01\x01\x01\x01\x01\x01", - .psize = 80, - .digest = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - }, { /* Test Vector #9 */ - .plaintext = "\x02\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\xfd\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff", - .psize = 48, - .digest = "\xfa\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff", - }, { /* Test Vector #10 */ - .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x04\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\xe3\x35\x94\xd7\x50\x5e\x43\xb9" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x33\x94\xd7\x50\x5e\x43\x79\xcd" - "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 96, - .digest = "\x14\x00\x00\x00\x00\x00\x00\x00" - "\x55\x00\x00\x00\x00\x00\x00\x00", - }, { /* Test Vector #11 */ - .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x04\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\xe3\x35\x94\xd7\x50\x5e\x43\xb9" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x33\x94\xd7\x50\x5e\x43\x79\xcd" - "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 80, - .digest = "\x13\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - }, { /* Regression test for overflow in AVX2 implementation */ - .plaintext = "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff\xff\xff\xff\xff" - "\xff\xff\xff\xff", - .psize = 300, - .digest = "\xfb\x5e\x96\xd8\x61\xd5\xc7\xc8" - "\x78\xe5\x87\xcc\x2d\x5a\x22\xe1", - } -}; - /* NHPoly1305 test vectors from https://github.com/google/adiantum */ static const struct hash_testvec nhpoly1305_tv_template[] = { { @@ -10243,6 +9011,126 @@ static const struct cipher_testvec des_tv_template[] = { .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", .len = 8, + }, { /* Weak key */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\xe0\xe0\xe0\xe0\xf1\xf1\xf1\xf1", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Weak key */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\x1f\x1f\x1f\x1f\x0e\x0e\x0e\x0e", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Weak key */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfe", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 1a */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\x01\xfe\x01\xfe\x01\xfe\x01\xfe", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 1b */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\xfe\x01\xfe\x01\xfe\x01\xfe\x01", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 2a */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\x1f\xe0\x1f\xe0\x0e\xf1\x0e\xf1", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 2b */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\xe0\x1f\xe0\x1f\xf1\x0e\xf1\x0e", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 3a */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\x01\xe0\x01\xe0\x01\xf1\x01\xf1", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 3b */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\xe0\x01\xe0\x01\xf1\x01\xf1\x01", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 4a */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\x1f\xfe\x1f\xfe\x0e\xfe\x0e\xfe", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 4b */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\xfe\x1f\xfe\x1f\xfe\x0e\xfe\x0e", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 5a */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\x01\x1f\x01\x1f\x01\x0e\x01\x0e", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 5b */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\x1f\x01\x1f\x01\x0e\x01\x0e\x01", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 6a */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\xe0\xfe\xe0\xfe\xf1\xfe\xf1\xfe", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, + }, { /* Semi-weak key pair 6b */ + .setkey_error = -EINVAL, + .wk = 1, + .key = "\xfe\xe0\xfe\xe0\xfe\xf1\xfe\xf1", + .klen = 8, + .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xe7", + .ctext = "\xc9\x57\x44\x25\x6a\x5e\xd3\x1d", + .len = 8, }, { /* Two blocks -- for testing encryption across pages */ .key = "\x01\x23\x45\x67\x89\xab\xcd\xef", .klen = 8, @@ -14784,104 +13672,6 @@ static const struct cipher_testvec sm4_ctr_rfc3686_tv_template[] = { } }; -static const struct cipher_testvec sm4_ofb_tv_template[] = { - { /* From: draft-ribose-cfrg-sm4-02, paragraph 12.2.3 */ - .key = "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10", - .klen = 16, - .iv = "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10", - .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10" - "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10", - .ctext = "\x69\x3d\x9a\x53\x5b\xad\x5b\xb1" - "\x78\x6f\x53\xd7\x25\x3a\x70\x56" - "\xf2\x07\x5d\x28\xb5\x23\x5f\x58" - "\xd5\x00\x27\xe4\x17\x7d\x2b\xce", - .len = 32, - }, { /* From: draft-ribose-cfrg-sm4-09, appendix A.2.3, Example 1 */ - .key = "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\xaa\xaa\xaa\xaa\xbb\xbb\xbb\xbb" - "\xcc\xcc\xcc\xcc\xdd\xdd\xdd\xdd" - "\xee\xee\xee\xee\xff\xff\xff\xff" - "\xaa\xaa\xaa\xaa\xbb\xbb\xbb\xbb", - .ctext = "\xac\x32\x36\xcb\x86\x1d\xd3\x16" - "\xe6\x41\x3b\x4e\x3c\x75\x24\xb7" - "\x1d\x01\xac\xa2\x48\x7c\xa5\x82" - "\xcb\xf5\x46\x3e\x66\x98\x53\x9b", - .len = 32, - }, { /* From: draft-ribose-cfrg-sm4-09, appendix A.2.3, Example 2 */ - .key = "\xfe\xdc\xba\x98\x76\x54\x32\x10" - "\x01\x23\x45\x67\x89\xab\xcd\xef", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\xaa\xaa\xaa\xaa\xbb\xbb\xbb\xbb" - "\xcc\xcc\xcc\xcc\xdd\xdd\xdd\xdd" - "\xee\xee\xee\xee\xff\xff\xff\xff" - "\xaa\xaa\xaa\xaa\xbb\xbb\xbb\xbb", - .ctext = "\x5d\xcc\xcd\x25\xa8\x4b\xa1\x65" - "\x60\xd7\xf2\x65\x88\x70\x68\x49" - "\x33\xfa\x16\xbd\x5c\xd9\xc8\x56" - "\xca\xca\xa1\xe1\x01\x89\x7a\x97", - .len = 32, - } -}; - -static const struct cipher_testvec sm4_cfb_tv_template[] = { - { /* From: draft-ribose-cfrg-sm4-02, paragraph 12.2.4 */ - .key = "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10", - .klen = 16, - .iv = "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10", - .ptext = "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10" - "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10", - .ctext = "\x69\x3d\x9a\x53\x5b\xad\x5b\xb1" - "\x78\x6f\x53\xd7\x25\x3a\x70\x56" - "\x9e\xd2\x58\xa8\x5a\x04\x67\xcc" - "\x92\xaa\xb3\x93\xdd\x97\x89\x95", - .len = 32, - }, { /* From: draft-ribose-cfrg-sm4-09, appendix A.2.4, Example 1 */ - .key = "\x01\x23\x45\x67\x89\xab\xcd\xef" - "\xfe\xdc\xba\x98\x76\x54\x32\x10", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\xaa\xaa\xaa\xaa\xbb\xbb\xbb\xbb" - "\xcc\xcc\xcc\xcc\xdd\xdd\xdd\xdd" - "\xee\xee\xee\xee\xff\xff\xff\xff" - "\xaa\xaa\xaa\xaa\xbb\xbb\xbb\xbb", - .ctext = "\xac\x32\x36\xcb\x86\x1d\xd3\x16" - "\xe6\x41\x3b\x4e\x3c\x75\x24\xb7" - "\x69\xd4\xc5\x4e\xd4\x33\xb9\xa0" - "\x34\x60\x09\xbe\xb3\x7b\x2b\x3f", - .len = 32, - }, { /* From: draft-ribose-cfrg-sm4-09, appendix A.2.4, Example 2 */ - .key = "\xfe\xdc\xba\x98\x76\x54\x32\x10" - "\x01\x23\x45\x67\x89\xab\xcd\xef", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\xaa\xaa\xaa\xaa\xbb\xbb\xbb\xbb" - "\xcc\xcc\xcc\xcc\xdd\xdd\xdd\xdd" - "\xee\xee\xee\xee\xff\xff\xff\xff" - "\xaa\xaa\xaa\xaa\xbb\xbb\xbb\xbb", - .ctext = "\x5d\xcc\xcd\x25\xa8\x4b\xa1\x65" - "\x60\xd7\xf2\x65\x88\x70\x68\x49" - "\x0d\x9b\x86\xff\x20\xc3\xbf\xe1" - "\x15\xff\xa0\x2c\xa6\x19\x2c\xc5", - .len = 32, - } -}; - static const struct cipher_testvec sm4_cts_tv_template[] = { /* Generated from AES-CTS test vectors */ { @@ -17144,104 +15934,6 @@ static const struct cipher_testvec aes_cbc_tv_template[] = { }, }; -static const struct cipher_testvec aes_cfb_tv_template[] = { - { /* From NIST SP800-38A */ - .key = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6" - "\xab\xf7\x15\x88\x09\xcf\x4f\x3c", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96" - "\xe9\x3d\x7e\x11\x73\x93\x17\x2a" - "\xae\x2d\x8a\x57\x1e\x03\xac\x9c" - "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" - "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11" - "\xe5\xfb\xc1\x19\x1a\x0a\x52\xef" - "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17" - "\xad\x2b\x41\x7b\xe6\x6c\x37\x10", - .ctext = "\x3b\x3f\xd9\x2e\xb7\x2d\xad\x20" - "\x33\x34\x49\xf8\xe8\x3c\xfb\x4a" - "\xc8\xa6\x45\x37\xa0\xb3\xa9\x3f" - "\xcd\xe3\xcd\xad\x9f\x1c\xe5\x8b" - "\x26\x75\x1f\x67\xa3\xcb\xb1\x40" - "\xb1\x80\x8c\xf1\x87\xa4\xf4\xdf" - "\xc0\x4b\x05\x35\x7c\x5d\x1c\x0e" - "\xea\xc4\xc6\x6f\x9f\xf7\xf2\xe6", - .len = 64, - }, { - .key = "\x8e\x73\xb0\xf7\xda\x0e\x64\x52" - "\xc8\x10\xf3\x2b\x80\x90\x79\xe5" - "\x62\xf8\xea\xd2\x52\x2c\x6b\x7b", - .klen = 24, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96" - "\xe9\x3d\x7e\x11\x73\x93\x17\x2a" - "\xae\x2d\x8a\x57\x1e\x03\xac\x9c" - "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" - "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11" - "\xe5\xfb\xc1\x19\x1a\x0a\x52\xef" - "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17" - "\xad\x2b\x41\x7b\xe6\x6c\x37\x10", - .ctext = "\xcd\xc8\x0d\x6f\xdd\xf1\x8c\xab" - "\x34\xc2\x59\x09\xc9\x9a\x41\x74" - "\x67\xce\x7f\x7f\x81\x17\x36\x21" - "\x96\x1a\x2b\x70\x17\x1d\x3d\x7a" - "\x2e\x1e\x8a\x1d\xd5\x9b\x88\xb1" - "\xc8\xe6\x0f\xed\x1e\xfa\xc4\xc9" - "\xc0\x5f\x9f\x9c\xa9\x83\x4f\xa0" - "\x42\xae\x8f\xba\x58\x4b\x09\xff", - .len = 64, - }, { - .key = "\x60\x3d\xeb\x10\x15\xca\x71\xbe" - "\x2b\x73\xae\xf0\x85\x7d\x77\x81" - "\x1f\x35\x2c\x07\x3b\x61\x08\xd7" - "\x2d\x98\x10\xa3\x09\x14\xdf\xf4", - .klen = 32, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96" - "\xe9\x3d\x7e\x11\x73\x93\x17\x2a" - "\xae\x2d\x8a\x57\x1e\x03\xac\x9c" - "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" - "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11" - "\xe5\xfb\xc1\x19\x1a\x0a\x52\xef" - "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17" - "\xad\x2b\x41\x7b\xe6\x6c\x37\x10", - .ctext = "\xdc\x7e\x84\xbf\xda\x79\x16\x4b" - "\x7e\xcd\x84\x86\x98\x5d\x38\x60" - "\x39\xff\xed\x14\x3b\x28\xb1\xc8" - "\x32\x11\x3c\x63\x31\xe5\x40\x7b" - "\xdf\x10\x13\x24\x15\xe5\x4b\x92" - "\xa1\x3e\xd0\xa8\x26\x7a\xe2\xf9" - "\x75\xa3\x85\x74\x1a\xb9\xce\xf8" - "\x20\x31\x62\x3d\x55\xb1\xe4\x71", - .len = 64, - }, { /* > 16 bytes, not a multiple of 16 bytes */ - .key = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6" - "\xab\xf7\x15\x88\x09\xcf\x4f\x3c", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96" - "\xe9\x3d\x7e\x11\x73\x93\x17\x2a" - "\xae", - .ctext = "\x3b\x3f\xd9\x2e\xb7\x2d\xad\x20" - "\x33\x34\x49\xf8\xe8\x3c\xfb\x4a" - "\xc8", - .len = 17, - }, { /* < 16 bytes */ - .key = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6" - "\xab\xf7\x15\x88\x09\xcf\x4f\x3c", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\x6b\xc1\xbe\xe2\x2e\x40\x9f", - .ctext = "\x3b\x3f\xd9\x2e\xb7\x2d\xad", - .len = 7, - }, -}; - static const struct aead_testvec hmac_md5_ecb_cipher_null_tv_template[] = { { /* Input data from RFC 2410 Case 1 */ #ifdef __LITTLE_ENDIAN @@ -20932,55 +19624,6 @@ static const struct cipher_testvec aes_ctr_rfc3686_tv_template[] = { }, }; -static const struct cipher_testvec aes_ofb_tv_template[] = { - { /* From NIST Special Publication 800-38A, Appendix F.5 */ - .key = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6" - "\xab\xf7\x15\x88\x09\xcf\x4f\x3c", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07\x08" - "\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96" - "\xe9\x3d\x7e\x11\x73\x93\x17\x2a" - "\xae\x2d\x8a\x57\x1e\x03\xac\x9c" - "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" - "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11" - "\xe5\xfb\xc1\x19\x1a\x0a\x52\xef" - "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17" - "\xad\x2b\x41\x7b\xe6\x6c\x37\x10", - .ctext = "\x3b\x3f\xd9\x2e\xb7\x2d\xad\x20" - "\x33\x34\x49\xf8\xe8\x3c\xfb\x4a" - "\x77\x89\x50\x8d\x16\x91\x8f\x03\xf5" - "\x3c\x52\xda\xc5\x4e\xd8\x25" - "\x97\x40\x05\x1e\x9c\x5f\xec\xf6\x43" - "\x44\xf7\xa8\x22\x60\xed\xcc" - "\x30\x4c\x65\x28\xf6\x59\xc7\x78" - "\x66\xa5\x10\xd9\xc1\xd6\xae\x5e", - .len = 64, - }, { /* > 16 bytes, not a multiple of 16 bytes */ - .key = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6" - "\xab\xf7\x15\x88\x09\xcf\x4f\x3c", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96" - "\xe9\x3d\x7e\x11\x73\x93\x17\x2a" - "\xae", - .ctext = "\x3b\x3f\xd9\x2e\xb7\x2d\xad\x20" - "\x33\x34\x49\xf8\xe8\x3c\xfb\x4a" - "\x77", - .len = 17, - }, { /* < 16 bytes */ - .key = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6" - "\xab\xf7\x15\x88\x09\xcf\x4f\x3c", - .klen = 16, - .iv = "\x00\x01\x02\x03\x04\x05\x06\x07" - "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", - .ptext = "\x6b\xc1\xbe\xe2\x2e\x40\x9f", - .ctext = "\x3b\x3f\xd9\x2e\xb7\x2d\xad", - .len = 7, - } -}; - static const struct aead_testvec aes_gcm_tv_template[] = { { /* From McGrew & Viega - http://citeseer.ist.psu.edu/656989.html */ .key = zeroed_string, @@ -23842,136 +22485,6 @@ static const struct aead_testvec aegis128_tv_template[] = { }; /* - * All key wrapping test vectors taken from - * http://csrc.nist.gov/groups/STM/cavp/documents/mac/kwtestvectors.zip - * - * Note: as documented in keywrap.c, the ivout for encryption is the first - * semiblock of the ciphertext from the test vector. For decryption, iv is - * the first semiblock of the ciphertext. - */ -static const struct cipher_testvec aes_kw_tv_template[] = { - { - .key = "\x75\x75\xda\x3a\x93\x60\x7c\xc2" - "\xbf\xd8\xce\xc7\xaa\xdf\xd9\xa6", - .klen = 16, - .ptext = "\x42\x13\x6d\x3c\x38\x4a\x3e\xea" - "\xc9\x5a\x06\x6f\xd2\x8f\xed\x3f", - .ctext = "\xf6\x85\x94\x81\x6f\x64\xca\xa3" - "\xf5\x6f\xab\xea\x25\x48\xf5\xfb", - .len = 16, - .iv_out = "\x03\x1f\x6b\xd7\xe6\x1e\x64\x3d", - .generates_iv = true, - }, { - .key = "\x80\xaa\x99\x73\x27\xa4\x80\x6b" - "\x6a\x7a\x41\xa5\x2b\x86\xc3\x71" - "\x03\x86\xf9\x32\x78\x6e\xf7\x96" - "\x76\xfa\xfb\x90\xb8\x26\x3c\x5f", - .klen = 32, - .ptext = "\x0a\x25\x6b\xa7\x5c\xfa\x03\xaa" - "\xa0\x2b\xa9\x42\x03\xf1\x5b\xaa", - .ctext = "\xd3\x3d\x3d\x97\x7b\xf0\xa9\x15" - "\x59\xf9\x9c\x8a\xcd\x29\x3d\x43", - .len = 16, - .iv_out = "\x42\x3c\x96\x0d\x8a\x2a\xc4\xc1", - .generates_iv = true, - }, -}; - -/* - * ANSI X9.31 Continuous Pseudo-Random Number Generator (AES mode) - * test vectors, taken from Appendix B.2.9 and B.2.10: - * http://csrc.nist.gov/groups/STM/cavp/documents/rng/RNGVS.pdf - * Only AES-128 is supported at this time. - */ -static const struct cprng_testvec ansi_cprng_aes_tv_template[] = { - { - .key = "\xf3\xb1\x66\x6d\x13\x60\x72\x42" - "\xed\x06\x1c\xab\xb8\xd4\x62\x02", - .klen = 16, - .dt = "\xe6\xb3\xbe\x78\x2a\x23\xfa\x62" - "\xd7\x1d\x4a\xfb\xb0\xe9\x22\xf9", - .dtlen = 16, - .v = "\x80\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .vlen = 16, - .result = "\x59\x53\x1e\xd1\x3b\xb0\xc0\x55" - "\x84\x79\x66\x85\xc1\x2f\x76\x41", - .rlen = 16, - .loops = 1, - }, { - .key = "\xf3\xb1\x66\x6d\x13\x60\x72\x42" - "\xed\x06\x1c\xab\xb8\xd4\x62\x02", - .klen = 16, - .dt = "\xe6\xb3\xbe\x78\x2a\x23\xfa\x62" - "\xd7\x1d\x4a\xfb\xb0\xe9\x22\xfa", - .dtlen = 16, - .v = "\xc0\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .vlen = 16, - .result = "\x7c\x22\x2c\xf4\xca\x8f\xa2\x4c" - "\x1c\x9c\xb6\x41\xa9\xf3\x22\x0d", - .rlen = 16, - .loops = 1, - }, { - .key = "\xf3\xb1\x66\x6d\x13\x60\x72\x42" - "\xed\x06\x1c\xab\xb8\xd4\x62\x02", - .klen = 16, - .dt = "\xe6\xb3\xbe\x78\x2a\x23\xfa\x62" - "\xd7\x1d\x4a\xfb\xb0\xe9\x22\xfb", - .dtlen = 16, - .v = "\xe0\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .vlen = 16, - .result = "\x8a\xaa\x00\x39\x66\x67\x5b\xe5" - "\x29\x14\x28\x81\xa9\x4d\x4e\xc7", - .rlen = 16, - .loops = 1, - }, { - .key = "\xf3\xb1\x66\x6d\x13\x60\x72\x42" - "\xed\x06\x1c\xab\xb8\xd4\x62\x02", - .klen = 16, - .dt = "\xe6\xb3\xbe\x78\x2a\x23\xfa\x62" - "\xd7\x1d\x4a\xfb\xb0\xe9\x22\xfc", - .dtlen = 16, - .v = "\xf0\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .vlen = 16, - .result = "\x88\xdd\xa4\x56\x30\x24\x23\xe5" - "\xf6\x9d\xa5\x7e\x7b\x95\xc7\x3a", - .rlen = 16, - .loops = 1, - }, { - .key = "\xf3\xb1\x66\x6d\x13\x60\x72\x42" - "\xed\x06\x1c\xab\xb8\xd4\x62\x02", - .klen = 16, - .dt = "\xe6\xb3\xbe\x78\x2a\x23\xfa\x62" - "\xd7\x1d\x4a\xfb\xb0\xe9\x22\xfd", - .dtlen = 16, - .v = "\xf8\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .vlen = 16, - .result = "\x05\x25\x92\x46\x61\x79\xd2\xcb" - "\x78\xc4\x0b\x14\x0a\x5a\x9a\xc8", - .rlen = 16, - .loops = 1, - }, { /* Monte Carlo Test */ - .key = "\x9f\x5b\x51\x20\x0b\xf3\x34\xb5" - "\xd8\x2b\xe8\xc3\x72\x55\xc8\x48", - .klen = 16, - .dt = "\x63\x76\xbb\xe5\x29\x02\xba\x3b" - "\x67\xc9\x25\xfa\x70\x1f\x11\xac", - .dtlen = 16, - .v = "\x57\x2c\x8e\x76\x87\x26\x47\x97" - "\x7e\x74\xfb\xdd\xc4\x95\x01\xd1", - .vlen = 16, - .result = "\x48\xe9\xbd\x0d\x06\xee\x18\xfb" - "\xe4\x57\x90\xd5\xc3\xfc\x9b\x73", - .rlen = 16, - .loops = 10000, - }, -}; - -/* * SP800-90A DRBG Test vectors from * http://csrc.nist.gov/groups/STM/cavp/documents/drbg/drbgtestvectors.zip * @@ -29429,909 +27942,6 @@ static const struct cipher_testvec aria_ctr_tv_template[] = { } }; -static const struct cipher_testvec aria_cfb_tv_template[] = { - { - .key = "\x7f\x92\xd5\x06\x30\x6b\xc0\x23" - "\x87\xa8\x8e\x6d\xc7\xc5\xd7\xf1", - .klen = 16, - .iv = "\x5f\xce\x89\xb3\xd5\x7f\x7f\xf0" - "\xfd\xab\x56\xa6\x6e\xda\x7c\x57", - .ptext = "\x36\x36\x89\x09\xcd\xa8\xd3\x91" - "\x48\x3e\x3c\x11\xcf\xd0\x4f\xc0", - .ctext = "\x19\x28\xb5\xf2\x1c\xbc\xf8\xaf" - "\xb9\xae\x1b\x23\x4f\xe1\x6e\x40", - }, { - .key = "\x51\xe3\x8c\xe9\x76\xcd\xff\x37" - "\xd6\x1a\x18\x2f\x68\x2f\xb6\xfe", - .klen = 16, - .iv = "\x3d\x2d\x85\x75\x6e\x18\x8a\x52" - "\x53\x39\xfc\xc1\xf5\xc0\x56\x22", - .ptext = "\xc6\xae\xaa\x0d\x90\xf2\x38\x93" - "\xac\xd2\x3f\xc7\x74\x8d\x13\x7e" - "\xfa\x3f\x70\x52\xfb\x04\x0e\xed" - "\x0e\x60\x75\x84\x21\xdf\x13\xa1", - .ctext = "\x3f\x8c\xa9\x19\xd6\xb4\xfb\xed" - "\x9c\x6d\xaa\x1b\xe1\xc1\xe6\xa8" - "\x47\x35\x7d\xa3\x96\x7d\x53\x60" - "\xa9\x33\x9c\x34\xae\x7d\x7c\x74", - .len = 32, - }, { - .key = "\x26\xf8\x8c\x26\x0a\x37\x51\x8f" - "\xe7\x9c\x74\x77\x7a\x3e\xbb\x5d", - .klen = 16, - .iv = "\xd7\x33\xf3\xa9\x5b\xb4\x86\xea" - "\xe3\x7d\x50\x62\x3b\x73\xaf\xc4", - .ptext = "\xda\x89\xd9\x3c\xcc\xe4\x73\xb0" - "\xef\x3e\x5f\x46\x62\x88\xd5\x26" - "\x3b\xd3\xb5\x81\x78\x70\x1b\xd2" - "\x39\x56\x34\x63\x2c\xc5\x51\x13" - "\x48\x29\x3a\x58\xbe\x41\xc5\x80" - "\x2c\x80\xa7\x3c\x14\xb4\x89\x5e", - .ctext = "\x28\xd8\xa7\xf8\x74\x98\x00\xfc" - "\xd6\x48\xad\xbd\xbe\x3f\x0e\x7b" - "\xa3\xec\x03\x6a\xfb\xc9\x01\x83" - "\xb3\x2f\xda\x5e\x66\xa0\xc3\xec" - "\xe9\xd4\x72\x2a\xa2\x90\x41\xcf" - "\xde\x30\x79\xc3\x82\x10\x51\xe1", - .len = 48, - }, { - .key = "\x8e\xe5\x5f\xe2\x39\x80\xf5\x2b" - "\x77\xb5\xca\x90\xda\x1d\x22\x17", - .klen = 16, - .iv = "\xd9\xa0\x57\x80\xc8\x96\x70\x86" - "\x07\x2c\xf4\x61\x79\x09\x01\x8f", - .ptext = "\x37\x32\x98\xd4\x86\x2b\x3b\x80" - "\x07\x60\xba\xf0\x2e\xc3\x4a\x57" - "\xf5\xb5\xd7\xbf\xd2\x2a\x9b\x4a" - "\xe6\x08\xf0\xbe\x77\xd1\x62\x40" - "\xa0\x82\x09\x60\x47\xbb\x16\x56" - "\x50\x1f\xab\x8b\x10\xfe\xf0\x5c" - "\x05\x32\x63\x1a\xc4\x46\x6f\x55" - "\x32\xde\x41\x5a\xf7\x52\xd7\xfa", - .ctext = "\x29\x31\x55\xd2\xe5\x0b\x81\x39" - "\xf9\xbc\x63\xe2\xfa\x26\x99\xde" - "\x5c\xd3\x0a\x56\xe5\xfc\x83\xdd" - "\xab\x26\x90\x7d\xa8\x0f\x01\xa6" - "\x0e\x01\xdc\x1f\xfa\xa7\xdd\x09" - "\xf9\xbf\x12\xf4\xc6\x9f\xbd\x57" - "\x23\x68\x54\x0f\xe0\xcf\x1c\x6d" - "\xe1\x5e\x0b\x4a\x1e\x71\x1d\xaa", - .len = 64, - }, { - .key = "\x30\x9d\x59\x8d\x64\x76\xad\x37" - "\xba\xbc\x46\x6a\x69\x17\x3c\xac", - .klen = 16, - .iv = "\x6f\xdd\xa2\x9b\x86\x32\x14\x2e" - "\x54\x74\x8f\x3d\xe2\xd6\x85\x44", - .ptext = "\x4f\x4a\x31\x64\xc6\xa5\x29\xaa" - "\xad\xfd\x32\x94\x1f\x56\x57\xd1" - "\x9d\x7e\x3d\x49\x00\x36\xb1\x5d" - "\xb2\x92\x83\x70\x1e\xa3\x97\xa6" - "\x65\x53\x39\xeb\x53\x8f\xb1\x38" - "\x91\xac\x17\x11\x1c\x03\x69\x53" - "\xf5\xdf\xdb\x2c\x1b\x9a\x6e\x6b" - "\xb6\x02\xc4\xfa\x95\x01\x33\xa8" - "\xda\x7e\x18\x2c\xf4\x7e\x6e\x67" - "\xce\x8f\x9f\xea\x46\x66\x99\xb8", - .ctext = "\x38\xbc\xf5\x9d\x0e\x26\xa6\x18" - "\x95\x0b\x23\x54\x09\xa1\xf9\x46" - "\x7a\x31\xa0\xd7\x4a\xec\xb3\x10" - "\x8a\x8e\x99\x78\x6c\x6e\x76\xf2" - "\x63\x8a\x3b\x90\xaa\xd5\x64\x65" - "\x5a\x52\xb0\x36\x4c\xce\xed\xc7" - "\x51\x3c\x06\xb0\xee\x54\xec\x10" - "\xc0\x5f\xfd\xa9\x44\x9a\x29\x32" - "\x19\x79\x7d\x2b\x14\x26\x96\x13" - "\x9d\xa5\x61\xbd\xb6\x72\x37\x26", - .len = 80, - }, { - .key = "\xe1\xc7\x25\x4d\xbd\xa5\x74\xdf" - "\xc7\x8b\xfb\xe3\x2d\x3a\x82\xd3", - .klen = 16, - .iv = "\x17\x94\x77\x2f\x92\xb8\x87\xc2" - "\xcc\x6f\x70\x26\x87\xc7\x10\x8a", - .ptext = "\xc8\xfd\xc2\xb3\xcf\xa0\xeb\x41" - "\x4c\xf4\xd0\x34\xd0\x95\xab\xae" - "\x82\x5c\xfd\xfa\x13\x86\x25\xce" - "\xf4\x13\x32\xcd\xc6\x6d\xf6\x50" - "\x12\x4a\x5b\x66\x3a\xd3\xfb\x1a" - "\xaf\x06\xea\xf4\x65\x59\xd6\xc2" - "\x84\xa0\x53\x97\x61\x30\x70\x15" - "\xac\x45\x8e\xe8\xeb\xa1\x72\x93" - "\x26\x76\x98\x6f\xe4\x86\xca\xf0" - "\x57\x89\xf2\x2b\xd4\xcf\x2d\x95" - "\x86\x26\x20\x0e\x62\xfe\x8f\x1e" - "\x5d\xcb\x2b\x7e\xdd\xab\xac\xda", - .ctext = "\xdf\x79\x58\x30\x6f\x47\x12\x78" - "\x04\xb2\x0b\x1a\x62\x22\xe2\x9f" - "\xfe\x90\x50\x41\x1b\x6a\x6a\x9c" - "\x4e\x77\x8f\xca\xd1\x68\x31\xcd" - "\x41\x82\xa5\x5b\xc0\x08\x2b\x37" - "\x62\xec\x95\xf1\x56\x12\x38\x66" - "\x84\x82\x72\xda\x00\x21\x96\x82" - "\x33\xd4\x99\xaa\xb9\xeb\xd5\xc3" - "\x2b\xa8\xf7\xdc\x13\x0e\x21\x9f" - "\x4b\xf9\x42\x58\xa8\x39\x10\xd5" - "\x86\xa5\xc6\x78\x3b\x34\x05\x03" - "\x54\x43\x2b\x80\xa9\x53\x4d\x0e", - .len = 96, - }, { - .key = "\x6e\x49\x20\xd5\xb7\x01\x83\x4e" - "\xac\x45\x8f\xe1\x05\x3f\xd5\xb1", - .klen = 16, - .iv = "\xee\xb7\x0d\x65\x00\x38\xab\x71" - "\x70\x6e\xb3\x97\x86\xd3\xcd\xad", - .ptext = "\x51\x8b\x9c\xa0\x9a\x8b\x4c\xb9" - "\x16\x01\x6a\x1f\xdf\xf0\xf9\x9e" - "\x25\x1b\xc2\xa6\x21\x25\xeb\x97" - "\x4b\xf6\xcb\x3b\xcd\x61\xfd\x94" - "\x37\x03\xb3\xd9\x74\x6e\x4d\xbb" - "\xfd\x87\x2b\xec\x4c\x2c\xbf\xe2" - "\x94\x1a\xe6\xd9\xaf\x0e\x78\x17" - "\x58\x2b\x1d\x73\x9a\x9c\x63\x18" - "\x88\x7a\x0e\x87\x2f\xf0\xb0\xdb" - "\xc9\x9d\x79\x51\x34\x39\x4f\x07" - "\xa2\x7c\x21\x04\x91\x3b\x79\x79" - "\xfe\xd5\x51\x46\xd5\xcd\x28\xc0" - "\xad\xb8\x55\xb2\xb2\x5a\x9a\xa2" - "\xe2\x0c\xfc\x55\x7d\x60\xd2\x95", - .ctext = "\xe4\x25\x0d\x22\xeb\xbe\x5e\x90" - "\x01\xe5\xae\xc9\x94\xbd\x93\x89" - "\x5e\x5a\x5a\x2f\xf6\xdf\xf8\x16" - "\xd3\xb2\xed\x29\x51\xe2\x75\xb0" - "\x1a\x48\xb5\xe6\xd3\x58\x40\xc7" - "\x6f\x6f\xcf\x57\x82\x43\x5a\x36" - "\xef\x27\xe1\x34\x85\x01\xec\x98" - "\x00\xbd\x94\x6f\x12\x39\xa8\x13" - "\xfe\x3c\x39\xc0\xc6\xe1\xcc\x05" - "\x0e\xd5\xc9\xda\xbd\xdd\xdb\xaa" - "\x5a\xaa\x8e\xe8\xa8\x0a\xc5\x18" - "\xb4\x1d\x13\x81\xc9\xc4\xaa\x61" - "\xa9\xbd\xaa\x03\x12\x93\xbb\xed" - "\x0c\x6e\xbd\x1c\x05\x16\x8a\x59", - .len = 112, - }, { - .key = "\xb6\x08\x1d\x31\xaf\xf4\x17\x46" - "\xa4\xbb\x0f\xbd\x67\x3c\x73\x15", - .klen = 16, - .iv = "\x0c\x85\x2f\x62\xe5\xf4\x35\x96" - "\xb1\x9b\x5d\x00\x10\xe9\x70\x12", - .ptext = "\x3a\x87\x7f\x67\xf1\x81\x7a\x05" - "\xb4\xa6\xfe\xdf\x36\x31\x6d\x9e" - "\x0e\xa9\x44\xa0\xb0\x05\xa9\x41" - "\x9c\x14\x44\x5a\xd5\x1c\x50\x08" - "\x95\xc2\xf2\xaf\x3f\x29\xc9\x3e" - "\x95\x5e\xc6\xb4\x2b\xf4\x3e\xe3" - "\x1b\xeb\x3d\x73\xfb\xd7\x1e\x2b" - "\x0c\x3d\x58\x6c\xb4\x41\x9b\xfe" - "\x2f\x7e\x1c\x10\x81\x36\x2d\x79" - "\xaf\xab\x10\x44\x2e\xcc\x0d\x6c" - "\x9c\x14\xc2\xe4\xae\xb0\xbb\xda" - "\x6a\xe0\x42\x3d\x96\x9f\x78\x7d" - "\x70\x86\xa5\x92\x9f\xee\xcd\x3f" - "\x6a\x55\x84\x98\x28\x03\x02\xc2" - "\xf7\xec\x7a\xfa\xb1\xd9\xa8\xd8" - "\x1c\xc3\xaa\xd5\x61\x7f\x10\x0c", - .ctext = "\xa7\x4c\x96\x55\x7c\x07\xce\xb2" - "\x6f\x63\x9f\xc6\x8b\x6f\xc6\x4a" - "\x85\xf2\x4b\xdf\x62\x0c\x6c\x8d" - "\x13\x5d\xd3\x40\x58\xa6\xf9\x03" - "\xd9\xf2\x48\x4e\x12\x64\x9a\x55" - "\xa2\xa3\xd0\x19\xe5\x5b\xaa\x62" - "\x7b\xe9\x2a\x23\xab\xb5\xa6\xcf" - "\x53\x59\x70\xc6\xb8\x92\x12\x3b" - "\x93\x68\x24\xba\x7d\xd6\xc0\x5b" - "\x06\x2e\x7f\x2e\x32\x5d\x42\x9c" - "\x13\x8e\x92\x3c\x99\x20\x32\x2b" - "\x4a\x41\xb2\x4a\x81\xe8\x6e\x7f" - "\x5b\x8e\xca\x4d\xd7\x29\x96\xde" - "\x30\x9c\xa6\x84\x90\xe7\xc2\xae" - "\xf4\x7e\x73\x32\x4c\x25\xec\xef" - "\x58\x69\x63\x3f\x4e\x71\x4b\x1c", - .len = 128, - }, { - .key = "\xc0\xa1\x36\x3d\x81\x9a\xd2\x17" - "\x2e\x23\xc9\xb7\xff\xdf\x47\x6c", - .klen = 16, - .iv = "\x96\x3b\x0e\xbd\xec\x9a\x0e\xad" - "\x8c\xaf\x36\x3d\xff\x29\x8b\x33", - .ptext = "\x87\x96\x77\x1a\x10\x81\x63\x8a" - "\x63\xde\x88\xa9\x9d\xa9\x01\xf2" - "\xdf\xc9\x25\x35\x48\x3a\x15\xdf" - "\x20\x6b\x91\x7c\x56\xe5\x10\x7a" - "\x2d\x2e\x0f\x30\x32\xed\xa9\x1f" - "\x71\x4e\x68\x77\xe8\xa8\x5b\xdd" - "\x3c\x5e\x68\x6b\xab\x03\xe4\xf8" - "\x42\xc1\x61\x9a\x50\xfb\xc7\x6a" - "\x1a\x31\xa7\x87\xd0\x24\xcb\x5e" - "\xc0\x3b\x12\x28\xca\x26\x7b\xb3" - "\x14\xc1\x7f\x66\xff\x3b\xa4\x80" - "\x59\x77\x4f\xa0\xd4\xb2\xd9\x8a" - "\xb6\x67\xe6\x28\xd3\x6f\xf2\xcf" - "\xb8\x6d\x2d\xc4\x2a\x69\x89\xff" - "\xcf\xbb\x11\x2e\x2a\x2b\x7c\xfd" - "\xcd\x56\x02\x95\xc9\x54\x6e\x62" - "\x6a\x97\x75\x1a\x21\x16\x46\xfb" - "\xc2\xab\x62\x54\xef\xba\xae\x46", - .ctext = "\x11\x7f\xea\x49\xaf\x24\x52\xa2" - "\xde\x60\x99\x58\x23\xf9\x9e\x91" - "\x94\x52\x31\xa3\x28\x07\x14\xad" - "\x00\x24\x4a\x4a\xe7\x18\xd7\x24" - "\xcc\x8b\x66\x53\x82\x65\x31\xa5" - "\x54\x76\x59\x0b\x69\x6f\x90\x2c" - "\x8d\xa5\x2b\x61\x05\x80\xfb\xe0" - "\xf9\x6e\xaf\xb9\xc4\x15\x67\xcc" - "\x15\xce\xa0\xc0\xf2\xae\xa6\x15" - "\x24\x9a\xe5\xcb\x09\x42\xcf\x41" - "\x95\xa4\x8d\xbf\xe8\xb8\x40\xcd" - "\xb0\x33\x2c\xb3\xc4\xdd\xf9\x45" - "\xda\xb2\xeb\xb3\xf8\xfa\x7f\xe3" - "\xc0\x3a\x98\xe7\x17\x4a\x0c\x60" - "\xb2\x22\xba\x3b\x21\x85\x27\x56" - "\xe0\xb2\xf7\x2a\x59\xb1\x56\x20" - "\x0b\xa9\x13\x73\xe0\x6f\x61\x32" - "\xa5\x38\x14\xb3\xe3\xaa\x70\x44", - .len = 144, - }, { - .key = "\xd4\x14\xc6\xcc\x16\x1b\x95\xf9" - "\x05\x26\x23\x81\x19\x27\xad\x7b", - .klen = 16, - .iv = "\x9c\x8b\xfb\x65\xa4\x61\xee\x69" - "\x44\xbf\x59\xde\x03\x61\x11\x12", - .ptext = "\x8d\x94\x48\x47\xa9\x52\x16\xfb" - "\x6b\xaf\x59\x6d\xab\x74\xbf\x5c" - "\xb6\x09\x21\x12\x42\x98\x13\xa1" - "\xa8\x6f\xb9\x6d\x4d\xa6\xdc\xea" - "\x61\x02\x3c\xa7\xcd\x1a\x28\x8c" - "\x66\xb8\x4d\x60\x67\x82\xcc\x8d" - "\x1e\xda\x8f\x28\xe5\x02\xdc\x2c" - "\x54\x84\x2a\x06\xb5\xd1\x34\x57" - "\xb8\x28\x4d\xf5\x69\xb9\xf3\x33" - "\x5e\x0b\xa6\x62\x35\x9b\xfb\x97" - "\x3e\xc6\xec\xaf\x74\xe8\x72\x91" - "\xb2\xc6\x56\xb3\x23\x29\x43\xe0" - "\xfb\xcc\x21\x38\x64\x78\x9e\x78" - "\xbb\x6e\x0d\x7b\xfd\x05\x74\x01" - "\x7c\x94\xe0\xb0\xd7\x92\xfc\x58" - "\x28\xfc\xe2\x7b\x7f\xf7\x31\x0d" - "\x90\xb7\x60\x78\xa8\x9f\x52\xe3" - "\xe6\xaa\x2a\xb4\xa7\x09\x60\x53" - "\x42\x0e\x15\x31\xf6\x48\xa3\x0a" - "\x20\xf0\x79\x67\xb1\x83\x26\x66", - .ctext = "\x5b\xc0\xe8\x17\xa4\xf9\xea\xce" - "\x9e\xf9\xe0\xb1\xac\x37\xe9\x41" - "\xc8\x06\xf9\x1c\x1a\xfc\xe8\x7a" - "\x38\xf2\x80\x66\xc2\x70\x59\x4e" - "\xe0\x32\x5b\x27\x39\xf5\xfb\x03" - "\xc8\xaf\xd6\x7e\x57\xc7\xc6\x71" - "\xd9\xd0\x48\x39\xb1\x0d\xa8\x1a" - "\x23\x8a\x3d\x05\xe2\x90\x7e\x18" - "\xd7\x20\x04\x3b\x82\x76\x3f\xaa" - "\xc2\x89\xb6\x9e\x14\x2f\x46\xcd" - "\x51\x9b\xa8\x7b\x62\x7b\x9c\x17" - "\xc4\xe1\x8b\x3f\xb5\x4d\xac\x66" - "\x49\xf6\xb6\x4c\x3e\x16\x46\xb0" - "\xca\x04\xef\x72\x5c\x03\x0a\xe5" - "\x2f\x4e\x36\x38\x36\x9f\xf4\xe2" - "\x81\x7a\x4c\xdf\x36\x27\xd5\x9d" - "\x03\xad\x1d\x3a\xe9\x2a\x99\xb0" - "\x2c\xba\x13\x75\xc8\x37\x97\x11" - "\xf4\x15\x0f\xb7\x75\x26\xa1\x14" - "\x79\xec\x1f\xab\xd2\x10\x8c\x5f", - .len = 160, - }, { - .key = "\x7f\x92\xd5\x06\x30\x6b\xc0\x23" - "\x87\xa8\x8e\x6d\xc7\xc5\xd7\xf1" - "\x5f\xce\x89\xb3\xd5\x7f\x7f\xf0", - .klen = 24, - .iv = "\xfd\xab\x56\xa6\x6e\xda\x7c\x57" - "\x36\x36\x89\x09\xcd\xa8\xd3\x91", - .ptext = "\x48\x3e\x3c\x11\xcf\xd0\x4f\xc0" - "\x51\xe3\x8c\xe9\x76\xcd\xff\x37", - .ctext = "\xa4\x12\x2f\xc4\xf0\x6d\xd9\x46" - "\xe4\xe6\xd1\x0b\x6d\x14\xf0\x8f", - .len = 16, - }, { - .key = "\xd6\x1a\x18\x2f\x68\x2f\xb6\xfe" - "\x3d\x2d\x85\x75\x6e\x18\x8a\x52" - "\x53\x39\xfc\xc1\xf5\xc0\x56\x22", - .klen = 24, - .iv = "\xc6\xae\xaa\x0d\x90\xf2\x38\x93" - "\xac\xd2\x3f\xc7\x74\x8d\x13\x7e", - .ptext = "\xfa\x3f\x70\x52\xfb\x04\x0e\xed" - "\x0e\x60\x75\x84\x21\xdf\x13\xa1" - "\x26\xf8\x8c\x26\x0a\x37\x51\x8f" - "\xe7\x9c\x74\x77\x7a\x3e\xbb\x5d", - .ctext = "\x80\x2b\xf0\x88\xb9\x4b\x8d\xf5" - "\xc3\x0e\x15\x5b\xea\x5d\x5b\xa8" - "\x52\xe7\x83\x3c\xa1\x51\x1c\x1f" - "\x38\xd9\x7c\x88\x3c\x3a\xcd\x3e", - .len = 32, - }, { - .key = "\xd7\x33\xf3\xa9\x5b\xb4\x86\xea" - "\xe3\x7d\x50\x62\x3b\x73\xaf\xc4" - "\xda\x89\xd9\x3c\xcc\xe4\x73\xb0", - .klen = 24, - .iv = "\xef\x3e\x5f\x46\x62\x88\xd5\x26" - "\x3b\xd3\xb5\x81\x78\x70\x1b\xd2", - .ptext = "\x39\x56\x34\x63\x2c\xc5\x51\x13" - "\x48\x29\x3a\x58\xbe\x41\xc5\x80" - "\x2c\x80\xa7\x3c\x14\xb4\x89\x5e" - "\x8e\xe5\x5f\xe2\x39\x80\xf5\x2b" - "\x77\xb5\xca\x90\xda\x1d\x22\x17" - "\xd9\xa0\x57\x80\xc8\x96\x70\x86", - .ctext = "\x65\x01\x3c\xb0\xac\x4c\x63\xb6" - "\xe7\xf1\xf4\x61\x35\xf4\x36\xde" - "\xeb\x0f\x8c\x34\xd1\x78\xb4\x00" - "\xb2\xc1\x7c\x28\xb2\xb7\xbb\xa3" - "\xc6\xb7\x27\xf7\x6d\x56\x79\xfa" - "\x61\x57\xba\x30\x6f\x56\xe9\x8c", - .len = 48, - }, { - .key = "\x07\x2c\xf4\x61\x79\x09\x01\x8f" - "\x37\x32\x98\xd4\x86\x2b\x3b\x80" - "\x07\x60\xba\xf0\x2e\xc3\x4a\x57", - .klen = 24, - .iv = "\xf5\xb5\xd7\xbf\xd2\x2a\x9b\x4a" - "\xe6\x08\xf0\xbe\x77\xd1\x62\x40", - .ptext = "\xa0\x82\x09\x60\x47\xbb\x16\x56" - "\x50\x1f\xab\x8b\x10\xfe\xf0\x5c" - "\x05\x32\x63\x1a\xc4\x46\x6f\x55" - "\x32\xde\x41\x5a\xf7\x52\xd7\xfa" - "\x30\x9d\x59\x8d\x64\x76\xad\x37" - "\xba\xbc\x46\x6a\x69\x17\x3c\xac" - "\x6f\xdd\xa2\x9b\x86\x32\x14\x2e" - "\x54\x74\x8f\x3d\xe2\xd6\x85\x44", - .ctext = "\x5a\xfb\xb1\x2c\x6e\xe5\xb8\xe0" - "\x80\xb6\x77\xa8\xfe\x10\x3a\x99" - "\xbf\xc0\x2a\xfe\x6f\x38\xf2\x1d" - "\x53\x6c\x05\x83\xb1\x13\x00\x87" - "\x92\x92\x42\x70\xcf\x9f\xf7\x8f" - "\x53\x55\x18\x6f\x35\x68\x35\x50" - "\x3a\xc8\x45\x3e\xa3\xf1\x33\x2e" - "\xa1\x65\x42\xe2\x6d\x31\x8c\x4b", - .len = 64, - }, { - .key = "\x4f\x4a\x31\x64\xc6\xa5\x29\xaa" - "\xad\xfd\x32\x94\x1f\x56\x57\xd1" - "\x9d\x7e\x3d\x49\x00\x36\xb1\x5d", - .klen = 24, - .iv = "\xb2\x92\x83\x70\x1e\xa3\x97\xa6" - "\x65\x53\x39\xeb\x53\x8f\xb1\x38", - .ptext = "\x91\xac\x17\x11\x1c\x03\x69\x53" - "\xf5\xdf\xdb\x2c\x1b\x9a\x6e\x6b" - "\xb6\x02\xc4\xfa\x95\x01\x33\xa8" - "\xda\x7e\x18\x2c\xf4\x7e\x6e\x67" - "\xce\x8f\x9f\xea\x46\x66\x99\xb8" - "\xe1\xc7\x25\x4d\xbd\xa5\x74\xdf" - "\xc7\x8b\xfb\xe3\x2d\x3a\x82\xd3" - "\x17\x94\x77\x2f\x92\xb8\x87\xc2" - "\xcc\x6f\x70\x26\x87\xc7\x10\x8a" - "\xc8\xfd\xc2\xb3\xcf\xa0\xeb\x41", - .ctext = "\xc9\x5f\xe0\x60\x61\x38\x7e\x79" - "\x52\x68\x64\x8f\x55\x9b\x6b\x72" - "\xa5\x17\x61\xb7\xce\x02\xa9\xa4" - "\x5c\x73\x45\x33\xd1\x07\x5e\xdc" - "\xe5\xbe\xa7\xde\x69\xa0\x97\x98" - "\x02\xef\xa4\x67\x51\x60\x69\x4f" - "\x03\xf5\xa8\x5f\x03\x69\xbc\xc2" - "\x34\x59\x7e\xd4\xd2\xb3\x32\x2f" - "\x0c\xb4\x37\xca\xc4\xc7\x93\xf4" - "\xa4\xab\x01\x3f\x91\x29\x55\x98", - .len = 80, - }, { - .key = "\x4c\xf4\xd0\x34\xd0\x95\xab\xae" - "\x82\x5c\xfd\xfa\x13\x86\x25\xce" - "\xf4\x13\x32\xcd\xc6\x6d\xf6\x50", - .klen = 24, - .iv = "\x12\x4a\x5b\x66\x3a\xd3\xfb\x1a" - "\xaf\x06\xea\xf4\x65\x59\xd6\xc2", - .ptext = "\x84\xa0\x53\x97\x61\x30\x70\x15" - "\xac\x45\x8e\xe8\xeb\xa1\x72\x93" - "\x26\x76\x98\x6f\xe4\x86\xca\xf0" - "\x57\x89\xf2\x2b\xd4\xcf\x2d\x95" - "\x86\x26\x20\x0e\x62\xfe\x8f\x1e" - "\x5d\xcb\x2b\x7e\xdd\xab\xac\xda" - "\x6e\x49\x20\xd5\xb7\x01\x83\x4e" - "\xac\x45\x8f\xe1\x05\x3f\xd5\xb1" - "\xee\xb7\x0d\x65\x00\x38\xab\x71" - "\x70\x6e\xb3\x97\x86\xd3\xcd\xad" - "\x51\x8b\x9c\xa0\x9a\x8b\x4c\xb9" - "\x16\x01\x6a\x1f\xdf\xf0\xf9\x9e", - .ctext = "\x03\x2c\x39\x24\x99\xb5\xf6\x79" - "\x91\x89\xb7\xf8\x89\x68\x37\x9d" - "\xa2\x80\x95\x74\x87\x64\xb9\xeb" - "\x85\x28\x92\x9a\x6e\xd3\x3b\x50" - "\x4c\x80\x5b\xe4\xf2\x7e\xda\x2a" - "\xd4\xf8\xcb\xe3\x6f\xdf\xae\x0e" - "\xc5\x6c\x0b\x49\x2e\x29\x1c\xf2" - "\x3f\x44\x44\x12\x67\xa6\xff\x44" - "\xe0\xec\xd8\xf7\x32\xde\x21\x15" - "\xab\x8f\x98\x4d\xed\xb0\x42\xfd" - "\x83\x94\xe2\xcc\x69\x6d\xe8\xdb" - "\x62\x93\x1f\xd0\xf4\x8c\x62\xc0", - .len = 96, - }, { - .key = "\x25\x1b\xc2\xa6\x21\x25\xeb\x97" - "\x4b\xf6\xcb\x3b\xcd\x61\xfd\x94" - "\x37\x03\xb3\xd9\x74\x6e\x4d\xbb", - .klen = 24, - .iv = "\xfd\x87\x2b\xec\x4c\x2c\xbf\xe2" - "\x94\x1a\xe6\xd9\xaf\x0e\x78\x17", - .ptext = "\x58\x2b\x1d\x73\x9a\x9c\x63\x18" - "\x88\x7a\x0e\x87\x2f\xf0\xb0\xdb" - "\xc9\x9d\x79\x51\x34\x39\x4f\x07" - "\xa2\x7c\x21\x04\x91\x3b\x79\x79" - "\xfe\xd5\x51\x46\xd5\xcd\x28\xc0" - "\xad\xb8\x55\xb2\xb2\x5a\x9a\xa2" - "\xe2\x0c\xfc\x55\x7d\x60\xd2\x95" - "\xb6\x08\x1d\x31\xaf\xf4\x17\x46" - "\xa4\xbb\x0f\xbd\x67\x3c\x73\x15" - "\x0c\x85\x2f\x62\xe5\xf4\x35\x96" - "\xb1\x9b\x5d\x00\x10\xe9\x70\x12" - "\x3a\x87\x7f\x67\xf1\x81\x7a\x05" - "\xb4\xa6\xfe\xdf\x36\x31\x6d\x9e" - "\x0e\xa9\x44\xa0\xb0\x05\xa9\x41", - .ctext = "\xd4\x9a\x04\x54\x05\xd2\xe6\x3f" - "\xb0\xa4\x36\x5e\x1e\x9c\x35\xb0" - "\xc0\x89\xbd\x1c\xaa\x45\xa6\xc8" - "\x16\x68\x4a\x06\x93\x67\x88\xd7" - "\x72\x6e\x48\x0a\x17\xa3\x52\x8b" - "\x96\x5f\x41\xf6\x17\x64\x55\x8b" - "\xac\xce\xf6\x8c\xce\xd2\xd4\xd4" - "\x8d\x92\x32\xe0\x0d\xb4\xf7\x4a" - "\x90\xaf\x7b\x85\x21\x46\x2e\xa6" - "\x9e\xac\x0d\x22\xf2\x26\xf6\xd3" - "\x27\xcd\x59\xa0\xe2\xbb\x22\xcd" - "\x35\xb6\x28\x45\x0a\x46\xb0\x3a" - "\xac\x3e\xd3\x5b\xc6\x54\xa2\xa3" - "\x6d\xbb\xb3\xcd\xc5\x64\x62\x92", - .len = 112, - }, { - .key = "\x9c\x14\x44\x5a\xd5\x1c\x50\x08" - "\x95\xc2\xf2\xaf\x3f\x29\xc9\x3e" - "\x95\x5e\xc6\xb4\x2b\xf4\x3e\xe3", - .klen = 24, - .iv = "\x1b\xeb\x3d\x73\xfb\xd7\x1e\x2b" - "\x0c\x3d\x58\x6c\xb4\x41\x9b\xfe", - .ptext = "\x2f\x7e\x1c\x10\x81\x36\x2d\x79" - "\xaf\xab\x10\x44\x2e\xcc\x0d\x6c" - "\x9c\x14\xc2\xe4\xae\xb0\xbb\xda" - "\x6a\xe0\x42\x3d\x96\x9f\x78\x7d" - "\x70\x86\xa5\x92\x9f\xee\xcd\x3f" - "\x6a\x55\x84\x98\x28\x03\x02\xc2" - "\xf7\xec\x7a\xfa\xb1\xd9\xa8\xd8" - "\x1c\xc3\xaa\xd5\x61\x7f\x10\x0c" - "\xc0\xa1\x36\x3d\x81\x9a\xd2\x17" - "\x2e\x23\xc9\xb7\xff\xdf\x47\x6c" - "\x96\x3b\x0e\xbd\xec\x9a\x0e\xad" - "\x8c\xaf\x36\x3d\xff\x29\x8b\x33" - "\x87\x96\x77\x1a\x10\x81\x63\x8a" - "\x63\xde\x88\xa9\x9d\xa9\x01\xf2" - "\xdf\xc9\x25\x35\x48\x3a\x15\xdf" - "\x20\x6b\x91\x7c\x56\xe5\x10\x7a", - .ctext = "\xbc\x57\x2a\x88\x0a\xd0\x06\x4f" - "\xdb\x7b\x03\x9f\x97\x1a\x20\xfe" - "\x15\x91\xb4\xed\x5d\x78\x89\x2a" - "\x67\x6b\x9c\x47\x36\xc2\x80\x0e" - "\x03\x8d\x6f\xfc\x94\xc7\xc5\xc2" - "\xeb\x43\x74\x5d\xfe\xc4\x5a\xa1" - "\x80\x51\x8a\x63\xd1\x27\x1b\x0a" - "\x88\x2c\xc4\x7f\x1a\xa3\x28\xe5" - "\xfd\xd0\x8a\xd4\x36\xa6\x19\xd5" - "\xff\x41\x7a\x8b\x6e\x9a\x97\x14" - "\x2a\xc8\xd0\xb8\xa3\x8e\x64\x32" - "\xb7\x2d\x76\x9b\x3b\xe2\x3f\x91" - "\xb4\x64\xbf\x59\x67\x14\xc3\xf5" - "\xa8\x92\x4b\x85\xdf\x80\xcb\xb5" - "\xc7\x80\xf9\x4a\xbc\xed\x67\x5a" - "\x0b\x58\x65\x1f\xc9\x6e\x9b\x0a", - .len = 128, - }, { - .key = "\x2d\x2e\x0f\x30\x32\xed\xa9\x1f" - "\x71\x4e\x68\x77\xe8\xa8\x5b\xdd" - "\x3c\x5e\x68\x6b\xab\x03\xe4\xf8", - .klen = 24, - .iv = "\x42\xc1\x61\x9a\x50\xfb\xc7\x6a" - "\x1a\x31\xa7\x87\xd0\x24\xcb\x5e", - .ptext = "\xc0\x3b\x12\x28\xca\x26\x7b\xb3" - "\x14\xc1\x7f\x66\xff\x3b\xa4\x80" - "\x59\x77\x4f\xa0\xd4\xb2\xd9\x8a" - "\xb6\x67\xe6\x28\xd3\x6f\xf2\xcf" - "\xb8\x6d\x2d\xc4\x2a\x69\x89\xff" - "\xcf\xbb\x11\x2e\x2a\x2b\x7c\xfd" - "\xcd\x56\x02\x95\xc9\x54\x6e\x62" - "\x6a\x97\x75\x1a\x21\x16\x46\xfb" - "\xc2\xab\x62\x54\xef\xba\xae\x46" - "\xd4\x14\xc6\xcc\x16\x1b\x95\xf9" - "\x05\x26\x23\x81\x19\x27\xad\x7b" - "\x9c\x8b\xfb\x65\xa4\x61\xee\x69" - "\x44\xbf\x59\xde\x03\x61\x11\x12" - "\x8d\x94\x48\x47\xa9\x52\x16\xfb" - "\x6b\xaf\x59\x6d\xab\x74\xbf\x5c" - "\xb6\x09\x21\x12\x42\x98\x13\xa1" - "\xa8\x6f\xb9\x6d\x4d\xa6\xdc\xea" - "\x61\x02\x3c\xa7\xcd\x1a\x28\x8c", - .ctext = "\xd7\xb4\xfc\xcc\x1f\xf7\xfc\x7d" - "\x69\xfa\xcb\x01\x60\xf3\x5a\x14" - "\xfe\x8c\x4e\xfa\x09\xb5\x0d\xda" - "\xff\xdd\xba\xdf\xa3\x6b\x3a\x87" - "\x21\xbb\xf8\x62\x14\x22\xdd\x9b" - "\x92\x23\xaa\xd7\xcc\xb2\x15\xd0" - "\xbd\x81\x95\x24\xc2\xc6\x53\x5b" - "\xf7\x3c\xa0\xf7\x36\xbc\xbf\xf3" - "\xfc\x1c\x6e\xe0\x71\x8d\xa1\x3d" - "\x8e\x1a\xc5\xba\xd5\x68\xd4\x7a" - "\xe0\x4f\x0a\x14\x89\x0b\xa6\x2f" - "\x18\xc5\x38\x76\xf1\xe7\x5c\xae" - "\x7a\xbb\x27\x1c\xf0\x7c\x6c\x14" - "\x07\xb7\x49\x6e\x29\x04\x38\x31" - "\x91\xe8\x1d\x0f\xfc\x3b\xb8\x20" - "\x58\x64\x11\xa1\xf5\xba\xa3\x62" - "\x92\xcf\x44\x63\x2c\xe8\x10\xb5" - "\xf0\x97\x86\xcb\x5f\xc1\x80\x7a", - .len = 144, - }, { - .key = "\x66\xb8\x4d\x60\x67\x82\xcc\x8d" - "\x1e\xda\x8f\x28\xe5\x02\xdc\x2c" - "\x54\x84\x2a\x06\xb5\xd1\x34\x57", - .klen = 24, - .iv = "\xb8\x28\x4d\xf5\x69\xb9\xf3\x33" - "\x5e\x0b\xa6\x62\x35\x9b\xfb\x97", - .ptext = "\x3e\xc6\xec\xaf\x74\xe8\x72\x91" - "\xb2\xc6\x56\xb3\x23\x29\x43\xe0" - "\xfb\xcc\x21\x38\x64\x78\x9e\x78" - "\xbb\x6e\x0d\x7b\xfd\x05\x74\x01" - "\x7c\x94\xe0\xb0\xd7\x92\xfc\x58" - "\x28\xfc\xe2\x7b\x7f\xf7\x31\x0d" - "\x90\xb7\x60\x78\xa8\x9f\x52\xe3" - "\xe6\xaa\x2a\xb4\xa7\x09\x60\x53" - "\x42\x0e\x15\x31\xf6\x48\xa3\x0a" - "\x20\xf0\x79\x67\xb1\x83\x26\x66" - "\xe0\xb1\xb3\xbd\x1c\x76\x36\xfd" - "\x45\x87\xa4\x14\x1b\xef\xe7\x16" - "\xf7\xfa\x30\x3d\xb9\x52\x8f\x2e" - "\x01\x68\xc1\x7d\xa2\x15\x49\x74" - "\x53\x82\xc2\x10\xa8\x45\x73\x4d" - "\x41\xcc\x24\xa3\x42\xff\x30\xd1" - "\x02\x21\xdc\xd9\x08\xf7\xe7\x4c" - "\x33\x2d\x62\xc7\x38\xf5\xc2\xbe" - "\x52\xf1\x34\x78\x34\x53\x30\x5b" - "\x43\x43\x51\x6a\x02\x81\x64\x0c", - .ctext = "\x71\xf6\x96\x02\x07\x71\x1a\x08" - "\x7c\xfe\x33\xc4\xc9\xbe\xe2\xed" - "\xd0\xcc\x5d\x27\x75\xb4\x5d\x8d" - "\x24\x03\xe4\x96\x31\x94\x0e\x38" - "\x14\x4f\xad\x16\x58\x0d\x73\xdc" - "\xbe\x5b\xcb\x38\xeb\x4d\xbc\x9a" - "\x44\x69\x7a\x12\x91\x14\x52\xfa" - "\xd2\xa2\xc5\x66\xd7\xaf\x4d\xb9" - "\xb1\x58\x24\x10\xde\x6a\xee\x7e" - "\x45\xf3\x76\xea\x47\x8a\xe6\x96" - "\x41\xf2\x96\x2d\x3c\xec\xcf\xc6" - "\x1d\xf4\x26\xc0\xea\x90\x27\x6e" - "\x87\xef\xb5\x39\x38\xdb\xad\xbf" - "\x57\x9a\x1d\xbc\x1d\xe5\x16\x91" - "\x41\x45\xbe\x67\x6c\x42\x0f\xad" - "\xcf\xfb\xcd\xf1\x4c\xd8\x73\xe7" - "\x24\x3b\xd7\x03\xeb\xd1\xb1\x1b" - "\x7d\xc9\x3d\x34\xd7\xb8\x69\x03" - "\x76\x95\x32\x26\xed\x88\x76\x89" - "\x13\xc6\xc8\xa6\x60\xf9\x73\x4d", - .len = 160, - }, { - .key = "\x82\x8e\x9e\x06\x7b\xc2\xe9\xb3" - "\x06\xa3\xfa\x99\x42\x67\x87\xac" - "\x21\xc7\xb0\x98\x6c\xf8\x26\x57" - "\x08\xdd\x92\x02\x77\x7b\x35\xe7", - .klen = 32, - .iv = "\xa1\xad\xcb\xdd\xd5\x19\xb6\xd4" - "\x0b\x62\x58\xb0\x6c\xa0\xc1\x58", - .ptext = "\x14\x0d\x8a\x09\x16\x00\x00\xf1" - "\xc0\x20\x86\xf9\x21\xd1\x34\xe2", - .ctext = "\x05\xe3\x34\xaf\x6c\x83\x14\x8b" - "\x9d\x1c\xd6\x87\x74\x91\xdf\x17", - .len = 16, - }, { - .key = "\xc9\xf3\xc4\x93\xd0\xcc\xaf\xb1" - "\x1a\x42\x93\x71\xd8\x4e\xd8\xaa" - "\x52\xad\x93\x2f\xe5\xd9\xaa\x5b" - "\x47\x37\x3a\xed\x13\x92\x35\x16", - .klen = 32, - .iv = "\x81\xc8\x50\xd1\x74\xc3\x1c\x73" - "\xbb\xab\x72\x83\x90\x5a\x15\xcb", - .ptext = "\x65\x11\x93\xaf\xe1\x69\x6c\xbe" - "\x25\x8c\x76\x87\x53\xa4\x80\xae" - "\x51\x94\x36\x3f\xca\xe7\x45\x41" - "\x76\x05\xbf\x8f\x9c\xad\xc0\xe3", - .ctext = "\x6B\x00\x6E\x49\x7A\x6D\xE3\x04" - "\x4E\xF7\x9F\x8A\x1F\x14\xBD\xB1" - "\xD3\x5D\xA4\x30\x26\x85\x85\xEF" - "\x12\xBC\xC7\xA1\x65\x82\xA7\x74", - .len = 32, - }, { - .key = "\xd5\x9f\x52\x34\x12\x99\x8e\x42" - "\xe0\x85\x04\x6f\xeb\xf1\x5d\xd0" - "\xc1\xbf\x3f\x84\xd9\x1e\x71\x44" - "\xd4\xb9\x40\x3c\x02\x2e\x21\x19", - .klen = 32, - .iv = "\x28\xc1\x97\x64\x81\x52\x57\x0e" - "\x02\x8c\xab\x4c\xe2\x60\x14\xa5", - .ptext = "\x5a\xb1\x33\x48\xaa\x51\xe9\xa4" - "\x5c\x2d\xbe\x33\xcc\xc4\x7f\x96" - "\xe8\xde\x2b\xe7\x35\x7a\x11\x4b" - "\x13\x08\x32\xc6\x41\xd8\xec\x54" - "\xa3\xd3\xda\x35\x43\x69\xf6\x88" - "\x97\xca\x00\x1b\x02\x59\x24\x82", - .ctext = "\x03\xaf\x76\xbd\x5e\x5b\xca\xc0" - "\xae\x44\xa2\x2f\xc2\x76\x2f\x50" - "\x6a\x73\x28\xf2\xba\xe8\xb2\xb8" - "\x43\x61\x41\x92\xff\xac\xcb\xa6" - "\x84\x31\xe3\x34\xd0\x37\x81\xab" - "\x2b\x0e\x97\x3c\x4a\x2d\xa4\x83", - .len = 48, - }, { - .key = "\x9c\x5d\xd7\x66\x36\xfa\x02\x20" - "\x99\x61\x62\x86\x0f\x43\x2e\x05" - "\x25\x8b\xfb\xf1\xae\x4c\xde\x18" - "\x0b\xf8\xd0\x9d\xaa\xd4\x56\x04", - .klen = 32, - .iv = "\xcd\xa8\x61\x89\x8d\xbb\x72\xb6" - "\x1e\xfe\x03\x34\x54\x88\x23\xe2", - .ptext = "\x66\x42\x60\x24\xf3\xe4\xe9\x7e" - "\x42\x20\xf4\x61\xce\x1c\x5e\x44" - "\x02\x26\x91\xf7\x41\xa4\xab\x34" - "\x29\x49\xdd\x78\x19\x8f\x10\x10" - "\xf0\x61\xcf\x77\x18\x17\x61\xdf" - "\xc4\xa8\x35\x0e\x75\x1b\x84\x6b" - "\xc3\x3f\x31\x59\x5a\x9c\xf4\xc3" - "\x43\xa9\xb7\xf8\x65\x40\x40\xba", - .ctext = "\xb6\x41\x55\x8f\xeb\x16\x1e\x4c" - "\x81\xa0\x85\x6c\xf0\x07\xa5\x2a" - "\x12\x0f\x1d\xb2\xaa\xba\x85\x0f" - "\xa6\x27\x1a\x91\xa6\xc5\x8c\x2a" - "\xde\x8d\x3a\xa9\x8b\xcf\x24\xf1" - "\x82\x51\x6b\xc8\x01\xd7\x7b\x89" - "\x6c\xfc\xb1\x96\x6c\xa2\xd7\x1f" - "\x4b\x7a\xd9\x8d\x34\xaa\xa0\x8a", - .len = 64, - }, { - .key = "\x4b\x4e\x11\x91\x27\xcf\x8c\x66" - "\x17\xfa\x5b\x4c\xa8\xb8\x0f\xa1" - "\x99\x5b\x07\x56\xe1\x8d\x94\x8b" - "\xf2\x86\x5a\x5f\x40\x83\xfa\x06", - .klen = 32, - .iv = "\xfd\x73\xee\x1c\x27\xf3\xb4\x38" - "\xc5\x7c\x2e\xc5\x6e\xdb\x49\x0d", - .ptext = "\x0a\xe2\xdd\x97\xdd\x5e\xd4\xb3" - "\xc1\x49\x8f\x53\xb2\x40\x85\x1c" - "\x90\x37\x2d\xbd\x21\x6b\x1f\x80" - "\x56\x98\x76\x1e\xcf\x6c\x78\xd8" - "\xa0\x3c\x79\xc3\x56\xf7\xfc\x64" - "\x35\x58\x1c\x7c\xc4\x5f\x2a\x25" - "\x8c\x01\x98\x1e\x1c\x1f\x15\x64" - "\x50\xb5\xfa\x02\xd3\x54\xe5\x29" - "\xe3\xd2\xa3\x83\x54\x40\x54\xc5" - "\xd8\x1c\xc9\x84\x7d\xc8\x31\x49", - .ctext = "\x53\x2a\xa8\xa0\x15\xaf\x2f\xc4" - "\x7d\x31\xb4\x61\x80\x5f\xd1\xb6" - "\xa4\x29\x40\x72\x1b\xb2\x96\xb7" - "\x4d\x5e\x5b\x53\x44\xa4\xf1\xe9" - "\xf0\x27\x2f\x26\x84\x66\x13\xa4" - "\xb2\x19\x55\xb1\x18\xf3\x69\xfd" - "\xb0\x2f\x08\x3f\xa5\x41\xe2\x34" - "\x5e\x63\x57\x0e\xef\x17\x78\xbc" - "\xc3\x65\x7c\xbe\x6b\xa3\xa3\xef" - "\x58\x05\x30\x5a\x08\xbd\xf7\x0e", - .len = 80, - }, { - .key = "\x77\x3b\xf5\xe7\x20\xf7\xe0\x0c" - "\x3d\x3a\x83\x17\x83\x79\xd8\x29" - "\x5a\x0a\x25\x7f\xe0\x21\x23\xff" - "\x31\xfd\x60\x10\xe6\x63\xe2\xaf", - .klen = 32, - .iv = "\xdb\x4c\x0d\xc0\x36\xdb\xc7\xa1" - "\xa4\x91\xd9\x05\xe6\xc4\x98\x00", - .ptext = "\x8d\x4d\xc6\x5e\x01\x82\xb3\x39" - "\xc8\x64\xa7\xcb\x05\x19\x84\x80" - "\x3f\x9c\xa8\x4f\x64\xb3\x11\x4b" - "\x0e\x21\xc4\x75\x04\x1d\x6f\xd5" - "\x04\x04\x4d\xc9\xc0\x4b\x4a\x9c" - "\x26\xb7\x68\x5a\xe4\xd0\x61\xe3" - "\x2c\x93\x8e\x3f\xb4\x67\x07\x31" - "\x02\x52\x0c\x0f\xe6\x6d\xa3\xd0" - "\x48\x95\x83\x67\x23\x64\x31\x50" - "\xd2\x5f\x69\x68\x8b\x71\xbf\x01" - "\x29\x99\x86\x36\x2e\xdf\xf1\x7c" - "\x08\x8c\x78\x7a\x93\x9a\x7d\x1b", - .ctext = "\x92\x90\x48\x2f\x3a\x6b\x68\x43" - "\x28\x9b\x7d\x1e\x46\x28\xd8\x58" - "\x0f\x47\x8b\xb5\x83\x35\x35\x3e" - "\xdf\x59\x3d\xb3\x47\xfc\xfc\x52" - "\x86\xeb\xb3\x58\x54\xd5\x0a\xb4" - "\xad\xbd\x5c\x09\xfc\x08\xc2\x01" - "\x5e\x9b\x30\x11\xc4\x40\x2e\x32" - "\x9c\xa0\xf1\xfd\xae\xd4\x75\x5e" - "\x52\xd9\x19\x4d\xc1\xd4\xb6\x19" - "\x88\xfb\x29\x17\x15\xbb\x60\xd6" - "\x5a\xe9\x82\x89\xaf\x30\x4e\xd4" - "\x47\xde\x86\x88\x95\x4c\x13\x59", - .len = 96, - }, { - .key = "\xe0\x6a\x30\xe1\x35\xb5\xb0\x7c" - "\x54\xc5\x73\x9b\x00\xe5\xe7\x02" - "\xbe\x16\x59\xdc\xd9\x03\x17\x53" - "\xa8\x37\xd1\x5f\x13\x8e\x45\xdb", - .klen = 32, - .iv = "\x54\xe9\x1c\xde\xfb\x26\x0e\x48" - "\x35\x50\x4d\x9b\x4d\x12\x21\x0d", - .ptext = "\x73\x72\xcf\xdb\xbd\xbc\xc0\xdf" - "\x6b\xbb\xdf\x65\x6f\x2f\x43\x3b" - "\x2d\x7c\x0e\x07\x7f\xa0\x95\xdd" - "\xfc\x67\xc1\x11\x7a\xe2\xb5\x4a" - "\xd1\x15\xb0\xd8\xe2\xf0\x35\x48" - "\xd8\x81\x6a\x35\xae\x67\xbf\x61" - "\xf2\x8a\xcf\x04\xc8\x09\x8b\x63" - "\x31\x74\x95\xa5\x8d\x3c\xea\xe2" - "\x5f\x67\xc4\x7e\x51\x88\xbf\xb5" - "\x78\xef\x3a\x76\xd8\x1d\x00\x75" - "\x2b\x7b\x28\x7c\xde\x4b\x39\x01" - "\x5d\xde\x92\xfe\x90\x07\x09\xfd" - "\xa5\xd1\xd3\x72\x11\x6d\xa4\x4e" - "\xd1\x6e\x16\xd1\xf6\x39\x4f\xa0", - .ctext = "\x3b\xc5\xee\xfc\x05\xaf\xa6\xb7" - "\xfe\x12\x24\x79\x31\xad\x32\xb5" - "\x64\x5a\x17\xc9\xbf\x1f\xdc\xce" - "\x8d\x73\x00\x71\xd9\xfb\xd2\xe6" - "\xc3\x54\xb4\xf3\x36\xe8\x89\x12" - "\x5a\x32\x0b\xa6\xec\x5f\x89\xe7" - "\xe8\x34\x92\xa6\xce\xde\x8f\xf9" - "\x4f\xda\xed\x61\x8e\xb2\x81\xbe" - "\xf2\x15\x85\xbe\xa1\x5f\x19\x85" - "\x71\x7e\xda\x46\x59\xed\x5d\xb0" - "\xd9\x68\x97\xe0\xcd\x1d\x1b\x65" - "\xf5\xc9\x44\xe2\xb4\x42\x17\x7c" - "\xe7\x58\xf3\x2f\xcf\xbe\x5c\x66" - "\xaa\xd3\x61\xa5\x9a\x79\xbb\xa0", - .len = 112, - }, { - .key = "\x60\xb6\xde\x17\xca\x4c\xe7\xe0" - "\x07\x0d\x80\xc5\x8a\x2d\x5a\xc2" - "\x2c\xb9\xa4\x5f\x2a\x85\x2c\x3d" - "\x6d\x67\xc8\xee\x0f\xa2\xf4\x09", - .klen = 32, - .iv = "\x1a\xa5\xbc\x7e\x93\xf6\xdd\x28" - "\xb7\x69\x27\xa1\x84\x95\x25\x5a", - .ptext = "\x7b\x88\x00\xeb\xa5\xba\xa1\xa7" - "\xd4\x40\x16\x74\x2b\x42\x37\xda" - "\xe0\xaf\x89\x59\x41\x2f\x62\x00" - "\xf5\x5a\x4e\x3b\x85\x27\xb2\xed" - "\x1b\xa7\xaf\xbe\x89\xf3\x49\xb7" - "\x8c\x63\xc9\x0c\x52\x00\x5f\x38" - "\x3b\x3c\x0c\x4f\xdd\xe1\xbf\x90" - "\x4a\x48\xbf\x3a\x95\xcb\x48\xa2" - "\x92\x7c\x79\x81\xde\x18\x6e\x92" - "\x1f\x36\xa9\x5d\x8d\xc4\xb6\x4d" - "\xb2\xb4\x0e\x09\x6d\xf3\x3d\x01" - "\x3d\x9b\x40\x47\xbc\x69\x31\xa1" - "\x6a\x71\x26\xdc\xac\x10\x56\x63" - "\x15\x23\x7d\x10\xe3\x76\x82\x41" - "\xcd\x80\x57\x2f\xfc\x4d\x22\x7b" - "\x57\xbb\x9a\x0a\x03\xe9\xb3\x13", - .ctext = "\x37\x0d\x47\x21\xbc\x28\x0b\xf7" - "\x85\x5f\x60\x57\xf2\x7f\x92\x20" - "\x53\x1a\xbf\xd1\x7f\x8c\x39\x29" - "\x0e\x18\xab\x0c\x00\x92\xd3\x68" - "\x60\x56\x3b\x00\xef\xf8\x02\xfa" - "\xcb\x92\x1a\x91\xe1\xf0\x4f\x8a" - "\xc6\x4f\x65\x16\x71\x8b\x5d\xd5" - "\x79\xa9\x6d\x68\x1b\x59\xe7\x2a" - "\x1c\xd0\x5d\xfb\x06\x3b\x15\x72" - "\xa8\xd1\x59\x9a\xb2\x6c\xf2\xd5" - "\x19\xef\xde\x03\x4c\x75\x65\x38" - "\x5b\xda\xc9\xf0\x44\x99\xb2\x6e" - "\x78\xfb\x85\x5a\x92\x91\x1a\x0a" - "\x13\x0c\x1b\x1c\xbe\xbe\x46\x6e" - "\x73\xff\xc2\x6e\xb9\x06\x16\x7e" - "\xf6\xc0\x01\x30\x34\x56\x46\x55", - .len = 128, - }, { - .key = "\x2a\xed\x7d\x76\xfc\xc5\x49\x50" - "\xf4\x90\x0f\xcc\x5d\xff\x0c\x3c" - "\x14\x06\xaf\x68\x8f\xd7\xb6\x25" - "\x1e\x10\x95\x2a\x71\x33\x17\x20", - .klen = 32, - .iv = "\x5b\x58\x47\xf8\xd5\x1e\x91\x81" - "\x46\xe7\x25\x3a\x02\x45\x9c\x65", - .ptext = "\x10\xaf\xde\x5c\x30\x79\x43\x28" - "\x1c\x03\xf8\x50\x0f\x30\xa5\xef" - "\x84\x19\x4c\x09\x40\x03\x75\x1f" - "\x92\x8f\x88\x01\xda\x31\x7a\xe4" - "\x48\xe3\xab\xb4\xe6\x1b\x0f\xac" - "\xd9\xfa\x8d\x23\xe4\xc6\xa4\xa9" - "\x2d\x9a\x54\x52\x44\x5c\x3c\x52" - "\x61\xf0\x00\xca\xed\xab\xed\xe2" - "\x44\x0b\xe0\x18\xba\xa5\x63\xd8" - "\xdc\x5e\x1a\x4c\xf8\xde\x5e\x75" - "\xdf\x42\x27\x7b\xe9\x11\x2f\x41" - "\x3a\x72\x54\x3d\x44\x9c\x3e\x87" - "\x8d\x8d\x43\x2f\xb2\xff\x87\xd4" - "\xad\x98\x68\x72\x53\x61\x19\x7c" - "\x20\x79\x8c\x2b\x37\x0b\x96\x15" - "\xa5\x7d\x4e\x01\xe6\xea\xb6\xfa" - "\xaa\xd3\x9d\xa2\xd9\x11\xc3\xc9" - "\xd4\x0e\x3f\x3e\xfe\x35\x1e\xe5", - .ctext = "\xb0\x2b\x75\x5f\x33\x1b\x05\x49" - "\x06\xf1\x43\x91\xc2\x85\xfa\xac" - "\x74\xd5\x8c\xc9\x47\x6e\x5a\xf6" - "\x69\x33\x4c\xcb\x2f\x36\x4b\x41" - "\xec\x05\x69\xab\x7f\x42\xc9\xd2" - "\x26\x64\x51\x9e\x3d\x65\x35\xf0" - "\x8d\x5e\x8a\xb1\xee\xdf\x1a\x98" - "\x36\xd2\x37\x49\x5b\xe2\x57\x00" - "\x1d\x72\x7e\xe8\x38\x11\x83\x15" - "\xc7\x4e\x65\xa4\x2c\x9e\x6a\x3e" - "\xb4\x78\x3f\xe9\x91\x5d\x06\xa9" - "\xf1\xfc\x6b\x08\xe5\x2b\x2a\x99" - "\x65\xa7\x2e\x47\xf9\xc2\xb1\x8b" - "\x88\x2f\xb7\x62\x84\x63\x94\x00" - "\x49\xa7\xd0\x2b\x54\x7a\x69\xb3" - "\x04\x66\xfc\x97\x40\x92\xd1\xb8" - "\xb4\x2a\x9e\xdb\x31\xcd\x48\x84" - "\x29\x3b\x02\xac\xb8\x54\x95\xb4", - .len = 144, - }, { - .key = "\x7b\xa7\x4d\x0a\x37\x30\xb9\xf5" - "\x2a\x79\xb4\xbf\xdb\x7f\x9b\x64" - "\x23\x43\xb5\x18\x34\xc4\x5f\xdf" - "\xd9\x2a\x66\x58\x00\x44\xb5\xd9", - .klen = 32, - .iv = "\x75\x34\x30\xc1\xf0\x69\xdf\x0a" - "\x52\xce\x4f\x1e\x2c\x41\x35\xec", - .ptext = "\x81\x47\x55\x3a\xcd\xfe\xa2\x3d" - "\x45\x53\xa7\x67\x61\x74\x25\x80" - "\x98\x89\xfe\xf8\x6a\x9f\x51\x7c" - "\xa4\xe4\xe7\xc7\xe0\x1a\xce\xbb" - "\x4b\x46\x43\xb0\xab\xa8\xd6\x0c" - "\xa0\xf0\xc8\x13\x29\xaf\xb8\x01" - "\x6b\x0c\x7e\x56\xae\xb8\x58\x72" - "\xa9\x24\x44\x61\xff\xf1\xac\xf8" - "\x09\xa8\x48\x21\xd6\xab\x41\x73" - "\x70\x6b\x92\x06\x61\xdc\xb4\x85" - "\x76\x26\x7a\x84\xc3\x9e\x3a\x14" - "\xe7\xf4\x2d\x95\x92\xad\x18\xcc" - "\x44\xd4\x2c\x36\x57\xed\x2b\x9b" - "\x3f\x2b\xcd\xe5\x11\xe3\x62\x33" - "\x42\x3f\xb8\x2a\xb1\x37\x3f\x8b" - "\xe8\xbd\x6b\x0b\x9f\x38\x5a\x5f" - "\x82\x34\xb7\x96\x35\x58\xde\xab" - "\x94\x98\x41\x5b\x3f\xac\x0a\x34" - "\x56\xc0\x02\xef\x81\x6d\xb1\xff" - "\x34\xe8\xc7\x6a\x31\x79\xba\xd8", - .ctext = "\x4e\x00\x7c\x52\x45\x76\xf9\x3d" - "\x1a\xd1\x72\xbc\xb9\x0f\xa9\xfb" - "\x0a\xf5\xe8\x11\x66\x8b\xad\x68" - "\x5a\x2e\xbf\x09\x33\x9d\xb6\x67" - "\xe5\xcb\x0a\xe0\xac\xed\x73\x4b" - "\xbb\x15\xde\xd8\xab\x33\x28\x5f" - "\x96\x07\x3c\x28\x79\x88\x84\xc7" - "\x13\xf7\x0d\xa5\x97\x3b\xd9\xb1" - "\xf2\x65\xb0\xac\xbb\x8a\x97\xd1" - "\x70\x3a\x91\x65\xc8\x39\x04\xe7" - "\x1a\x9c\x80\x65\x2b\x69\x4b\xdc" - "\xdc\xc7\xf1\x31\xda\xab\xb4\xd7" - "\x46\x2e\x1d\xc9\x2e\xe9\x46\xec" - "\xa4\xa1\x91\x6b\x4a\x09\xf9\x39" - "\x7b\x7d\x6d\xf5\x43\x7f\xcc\x74" - "\x96\xfa\x48\xd0\xe1\x74\x24\xd0" - "\x19\x22\x24\x84\x2b\x12\x10\x46" - "\x90\xbd\xa9\x93\xb7\xf7\x36\xd4" - "\x48\xc7\x32\x83\x8c\xa9\xcd\x5a" - "\x2f\x05\x33\xc1\x5b\x50\x70\xc4", - .len = 160, - } -}; - static const struct aead_testvec aria_gcm_tv_template[] = { { .key = "\xe9\x1e\x5e\x75\xda\x65\x55\x4a" @@ -35754,81 +33364,6 @@ static const struct comp_testvec deflate_decomp_tv_template[] = { }, }; -static const struct comp_testvec zlib_deflate_comp_tv_template[] = { - { - .inlen = 70, - .outlen = 44, - .input = "Join us now and share the software " - "Join us now and share the software ", - .output = "\x78\x5e\xf3\xca\xcf\xcc\x53\x28" - "\x2d\x56\xc8\xcb\x2f\x57\x48\xcc" - "\x4b\x51\x28\xce\x48\x2c\x4a\x55" - "\x28\xc9\x48\x55\x28\xce\x4f\x2b" - "\x29\x07\x71\xbc\x08\x2b\x01\x00" - "\x7c\x65\x19\x3d", - }, { - .inlen = 191, - .outlen = 129, - .input = "This document describes a compression method based on the DEFLATE" - "compression algorithm. This document defines the application of " - "the DEFLATE algorithm to the IP Payload Compression Protocol.", - .output = "\x78\x5e\x5d\xce\x41\x0a\xc3\x30" - "\x0c\x04\xc0\xaf\xec\x0b\xf2\x87" - "\xd2\xa6\x50\xe8\xc1\x07\x7f\x40" - "\xb1\x95\x5a\x60\x5b\xc6\x56\x0f" - "\xfd\x7d\x93\x1e\x42\xe8\x51\xec" - "\xee\x20\x9f\x64\x20\x6a\x78\x17" - "\xae\x86\xc8\x23\x74\x59\x78\x80" - "\x10\xb4\xb4\xce\x63\x88\x56\x14" - "\xb6\xa4\x11\x0b\x0d\x8e\xd8\x6e" - "\x4b\x8c\xdb\x7c\x7f\x5e\xfc\x7c" - "\xae\x51\x7e\x69\x17\x4b\x65\x02" - "\xfc\x1f\xbc\x4a\xdd\xd8\x7d\x48" - "\xad\x65\x09\x64\x3b\xac\xeb\xd9" - "\xc2\x01\xc0\xf4\x17\x3c\x1c\x1c" - "\x7d\xb2\x52\xc4\xf5\xf4\x8f\xeb" - "\x6a\x1a\x34\x4f\x5f\x2e\x32\x45" - "\x4e", - }, -}; - -static const struct comp_testvec zlib_deflate_decomp_tv_template[] = { - { - .inlen = 128, - .outlen = 191, - .input = "\x78\x9c\x5d\x8d\x31\x0e\xc2\x30" - "\x10\x04\xbf\xb2\x2f\xc8\x1f\x10" - "\x04\x09\x89\xc2\x85\x3f\x70\xb1" - "\x2f\xf8\x24\xdb\x67\xd9\x47\xc1" - "\xef\x49\x68\x12\x51\xae\x76\x67" - "\xd6\x27\x19\x88\x1a\xde\x85\xab" - "\x21\xf2\x08\x5d\x16\x1e\x20\x04" - "\x2d\xad\xf3\x18\xa2\x15\x85\x2d" - "\x69\xc4\x42\x83\x23\xb6\x6c\x89" - "\x71\x9b\xef\xcf\x8b\x9f\xcf\x33" - "\xca\x2f\xed\x62\xa9\x4c\x80\xff" - "\x13\xaf\x52\x37\xed\x0e\x52\x6b" - "\x59\x02\xd9\x4e\xe8\x7a\x76\x1d" - "\x02\x98\xfe\x8a\x87\x83\xa3\x4f" - "\x56\x8a\xb8\x9e\x8e\x5c\x57\xd3" - "\xa0\x79\xfa\x02\x2e\x32\x45\x4e", - .output = "This document describes a compression method based on the DEFLATE" - "compression algorithm. This document defines the application of " - "the DEFLATE algorithm to the IP Payload Compression Protocol.", - }, { - .inlen = 44, - .outlen = 70, - .input = "\x78\x9c\xf3\xca\xcf\xcc\x53\x28" - "\x2d\x56\xc8\xcb\x2f\x57\x48\xcc" - "\x4b\x51\x28\xce\x48\x2c\x4a\x55" - "\x28\xc9\x48\x55\x28\xce\x4f\x2b" - "\x29\x07\x71\xbc\x08\x2b\x01\x00" - "\x7c\x65\x19\x3d", - .output = "Join us now and share the software " - "Join us now and share the software ", - }, -}; - /* * LZO test vectors (null-terminated strings). */ @@ -38716,177 +36251,6 @@ static const struct cipher_testvec aes_xctr_tv_template[] = { /* * Test vectors generated using https://github.com/google/hctr2 - * - * To ensure compatibility with RFC 8452, some tests were sourced from - * https://datatracker.ietf.org/doc/html/rfc8452 - */ -static const struct hash_testvec polyval_tv_template[] = { - { // From RFC 8452 - .key = "\x31\x07\x28\xd9\x91\x1f\x1f\x38" - "\x37\xb2\x43\x16\xc3\xfa\xb9\xa0", - .plaintext = "\x65\x78\x61\x6d\x70\x6c\x65\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x48\x65\x6c\x6c\x6f\x20\x77\x6f" - "\x72\x6c\x64\x00\x00\x00\x00\x00" - "\x38\x00\x00\x00\x00\x00\x00\x00" - "\x58\x00\x00\x00\x00\x00\x00\x00", - .digest = "\xad\x7f\xcf\x0b\x51\x69\x85\x16" - "\x62\x67\x2f\x3c\x5f\x95\x13\x8f", - .psize = 48, - .ksize = 16, - }, - { // From RFC 8452 - .key = "\xd9\xb3\x60\x27\x96\x94\x94\x1a" - "\xc5\xdb\xc6\x98\x7a\xda\x73\x77", - .plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .digest = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 16, - .ksize = 16, - }, - { // From RFC 8452 - .key = "\xd9\xb3\x60\x27\x96\x94\x94\x1a" - "\xc5\xdb\xc6\x98\x7a\xda\x73\x77", - .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x40\x00\x00\x00\x00\x00\x00\x00", - .digest = "\xeb\x93\xb7\x74\x09\x62\xc5\xe4" - "\x9d\x2a\x90\xa7\xdc\x5c\xec\x74", - .psize = 32, - .ksize = 16, - }, - { // From RFC 8452 - .key = "\xd9\xb3\x60\x27\x96\x94\x94\x1a" - "\xc5\xdb\xc6\x98\x7a\xda\x73\x77", - .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x02\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x03\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x80\x01\x00\x00\x00\x00\x00\x00", - .digest = "\x81\x38\x87\x46\xbc\x22\xd2\x6b" - "\x2a\xbc\x3d\xcb\x15\x75\x42\x22", - .psize = 64, - .ksize = 16, - }, - { // From RFC 8452 - .key = "\xd9\xb3\x60\x27\x96\x94\x94\x1a" - "\xc5\xdb\xc6\x98\x7a\xda\x73\x77", - .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x02\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x03\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x04\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x02\x00\x00\x00\x00\x00\x00", - .digest = "\x1e\x39\xb6\xd3\x34\x4d\x34\x8f" - "\x60\x44\xf8\x99\x35\xd1\xcf\x78", - .psize = 80, - .ksize = 16, - }, - { // From RFC 8452 - .key = "\xd9\xb3\x60\x27\x96\x94\x94\x1a" - "\xc5\xdb\xc6\x98\x7a\xda\x73\x77", - .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x02\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x03\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x04\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x05\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x08\x00\x00\x00\x00\x00\x00\x00" - "\x00\x02\x00\x00\x00\x00\x00\x00", - .digest = "\xff\xcd\x05\xd5\x77\x0f\x34\xad" - "\x92\x67\xf0\xa5\x99\x94\xb1\x5a", - .psize = 96, - .ksize = 16, - }, - { // Random ( 1) - .key = "\x90\xcc\xac\xee\xba\xd7\xd4\x68" - "\x98\xa6\x79\x70\xdf\x66\x15\x6c", - .plaintext = "", - .digest = "\x00\x00\x00\x00\x00\x00\x00\x00" - "\x00\x00\x00\x00\x00\x00\x00\x00", - .psize = 0, - .ksize = 16, - }, - { // Random ( 1) - .key = "\xc1\x45\x71\xf0\x30\x07\x94\xe7" - "\x3a\xdd\xe4\xc6\x19\x2d\x02\xa2", - .plaintext = "\xc1\x5d\x47\xc7\x4c\x7c\x5e\x07" - "\x85\x14\x8f\x79\xcc\x73\x83\xf7" - "\x35\xb8\xcb\x73\x61\xf0\x53\x31" - "\xbf\x84\xde\xb6\xde\xaf\xb0\xb8" - "\xb7\xd9\x11\x91\x89\xfd\x1e\x4c" - "\x84\x4a\x1f\x2a\x87\xa4\xaf\x62" - "\x8d\x7d\x58\xf6\x43\x35\xfc\x53" - "\x8f\x1a\xf6\x12\xe1\x13\x3f\x66" - "\x91\x4b\x13\xd6\x45\xfb\xb0\x7a" - "\xe0\x8b\x8e\x99\xf7\x86\x46\x37" - "\xd1\x22\x9e\x52\xf3\x3f\xd9\x75" - "\x2c\x2c\xc6\xbb\x0e\x08\x14\x29" - "\xe8\x50\x2f\xd8\xbe\xf4\xe9\x69" - "\x4a\xee\xf7\xae\x15\x65\x35\x1e", - .digest = "\x00\x4f\x5d\xe9\x3b\xc0\xd6\x50" - "\x3e\x38\x73\x86\xc6\xda\xca\x7f", - .psize = 112, - .ksize = 16, - }, - { // Random ( 1) - .key = "\x37\xbe\x68\x16\x50\xb9\x4e\xb0" - "\x47\xde\xe2\xbd\xde\xe4\x48\x09", - .plaintext = "\x87\xfc\x68\x9f\xff\xf2\x4a\x1e" - "\x82\x3b\x73\x8f\xc1\xb2\x1b\x7a" - "\x6c\x4f\x81\xbc\x88\x9b\x6c\xa3" - "\x9c\xc2\xa5\xbc\x14\x70\x4c\x9b" - "\x0c\x9f\x59\x92\x16\x4b\x91\x3d" - "\x18\x55\x22\x68\x12\x8c\x63\xb2" - "\x51\xcb\x85\x4b\xd2\xae\x0b\x1c" - "\x5d\x28\x9d\x1d\xb1\xc8\xf0\x77" - "\xe9\xb5\x07\x4e\x06\xc8\xee\xf8" - "\x1b\xed\x72\x2a\x55\x7d\x16\xc9" - "\xf2\x54\xe7\xe9\xe0\x44\x5b\x33" - "\xb1\x49\xee\xff\x43\xfb\x82\xcd" - "\x4a\x70\x78\x81\xa4\x34\x36\xe8" - "\x4c\x28\x54\xa6\x6c\xc3\x6b\x78" - "\xe7\xc0\x5d\xc6\x5d\x81\xab\x70" - "\x08\x86\xa1\xfd\xf4\x77\x55\xfd" - "\xa3\xe9\xe2\x1b\xdf\x99\xb7\x80" - "\xf9\x0a\x4f\x72\x4a\xd3\xaf\xbb" - "\xb3\x3b\xeb\x08\x58\x0f\x79\xce" - "\xa5\x99\x05\x12\x34\xd4\xf4\x86" - "\x37\x23\x1d\xc8\x49\xc0\x92\xae" - "\xa6\xac\x9b\x31\x55\xed\x15\xc6" - "\x05\x17\x37\x8d\x90\x42\xe4\x87" - "\x89\x62\x88\x69\x1c\x6a\xfd\xe3" - "\x00\x2b\x47\x1a\x73\xc1\x51\xc2" - "\xc0\x62\x74\x6a\x9e\xb2\xe5\x21" - "\xbe\x90\xb5\xb0\x50\xca\x88\x68" - "\xe1\x9d\x7a\xdf\x6c\xb7\xb9\x98" - "\xee\x28\x62\x61\x8b\xd1\x47\xf9" - "\x04\x7a\x0b\x5d\xcd\x2b\x65\xf5" - "\x12\xa3\xfe\x1a\xaa\x2c\x78\x42" - "\xb8\xbe\x7d\x74\xeb\x59\xba\xba", - .digest = "\xae\x11\xd4\x60\x2a\x5f\x9e\x42" - "\x89\x04\xc2\x34\x8d\x55\x94\x0a", - .psize = 256, - .ksize = 16, - }, - -}; - -/* - * Test vectors generated using https://github.com/google/hctr2 */ static const struct cipher_testvec aes_hctr2_tv_template[] = { { @@ -39557,4 +36921,355 @@ static const struct cipher_testvec aes_hctr2_tv_template[] = { }; +#ifdef __LITTLE_ENDIAN +#define AUTHENC_KEY_HEADER(enckeylen) \ + "\x08\x00\x01\x00" /* LE rtattr */ \ + enckeylen /* crypto_authenc_key_param */ +#else +#define AUTHENC_KEY_HEADER(enckeylen) \ + "\x00\x08\x00\x01" /* BE rtattr */ \ + enckeylen /* crypto_authenc_key_param */ +#endif + +static const struct aead_testvec krb5_test_aes128_cts_hmac_sha256_128[] = { + /* rfc8009 Appendix A */ + { + /* "enc no plain" */ + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\x9F\xDA\x0E\x56\xAB\x2D\x85\xE1\x56\x9A\x68\x86\x96\xC2\x6A\x6C" // Ki + "\x9B\x19\x7D\xD1\xE8\xC5\x60\x9D\x6E\x67\xC3\xE3\x7C\x62\xC7\x2E", // Ke + .klen = 4 + 4 + 16 + 16, + .ptext = + "\x7E\x58\x95\xEA\xF2\x67\x24\x35\xBA\xD8\x17\xF5\x45\xA3\x71\x48" // Confounder + "", // Plain + .plen = 16 + 0, + .ctext = + "\xEF\x85\xFB\x89\x0B\xB8\x47\x2F\x4D\xAB\x20\x39\x4D\xCA\x78\x1D" + "\xAD\x87\x7E\xDA\x39\xD5\x0C\x87\x0C\x0D\x5A\x0A\x8E\x48\xC7\x18", + .clen = 16 + 0 + 16, + .assoc = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", // IV + .alen = 16, + }, { + /* "enc plain<block" */ + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\x9F\xDA\x0E\x56\xAB\x2D\x85\xE1\x56\x9A\x68\x86\x96\xC2\x6A\x6C" // Ki + "\x9B\x19\x7D\xD1\xE8\xC5\x60\x9D\x6E\x67\xC3\xE3\x7C\x62\xC7\x2E", // Ke + .klen = 4 + 4 + 16 + 16, + .ptext = + "\x7B\xCA\x28\x5E\x2F\xD4\x13\x0F\xB5\x5B\x1A\x5C\x83\xBC\x5B\x24" // Confounder + "\x00\x01\x02\x03\x04\x05", // Plain + .plen = 16 + 6, + .ctext = + "\x84\xD7\xF3\x07\x54\xED\x98\x7B\xAB\x0B\xF3\x50\x6B\xEB\x09\xCF" + "\xB5\x54\x02\xCE\xF7\xE6\x87\x7C\xE9\x9E\x24\x7E\x52\xD1\x6E\xD4" + "\x42\x1D\xFD\xF8\x97\x6C", + .clen = 16 + 6 + 16, + .assoc = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", // IV + .alen = 16, + }, { + /* "enc plain==block" */ + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\x9F\xDA\x0E\x56\xAB\x2D\x85\xE1\x56\x9A\x68\x86\x96\xC2\x6A\x6C" // Ki + "\x9B\x19\x7D\xD1\xE8\xC5\x60\x9D\x6E\x67\xC3\xE3\x7C\x62\xC7\x2E", // Ke + .klen = 4 + 4 + 16 + 16, + .ptext = + "\x56\xAB\x21\x71\x3F\xF6\x2C\x0A\x14\x57\x20\x0F\x6F\xA9\x94\x8F" // Confounder + "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F", // Plain + .plen = 16 + 16, + .ctext = + "\x35\x17\xD6\x40\xF5\x0D\xDC\x8A\xD3\x62\x87\x22\xB3\x56\x9D\x2A" + "\xE0\x74\x93\xFA\x82\x63\x25\x40\x80\xEA\x65\xC1\x00\x8E\x8F\xC2" + "\x95\xFB\x48\x52\xE7\xD8\x3E\x1E\x7C\x48\xC3\x7E\xEB\xE6\xB0\xD3", + .clen = 16 + 16 + 16, + .assoc = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", // IV + .alen = 16, + }, { + /* "enc plain>block" */ + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\x9F\xDA\x0E\x56\xAB\x2D\x85\xE1\x56\x9A\x68\x86\x96\xC2\x6A\x6C" // Ki + "\x9B\x19\x7D\xD1\xE8\xC5\x60\x9D\x6E\x67\xC3\xE3\x7C\x62\xC7\x2E", // Ke + .klen = 4 + 4 + 16 + 16, + .ptext = + "\xA7\xA4\xE2\x9A\x47\x28\xCE\x10\x66\x4F\xB6\x4E\x49\xAD\x3F\xAC" // Confounder + "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F" + "\x10\x11\x12\x13\x14", // Plain + .plen = 16 + 21, + .ctext = + "\x72\x0F\x73\xB1\x8D\x98\x59\xCD\x6C\xCB\x43\x46\x11\x5C\xD3\x36" + "\xC7\x0F\x58\xED\xC0\xC4\x43\x7C\x55\x73\x54\x4C\x31\xC8\x13\xBC" + "\xE1\xE6\xD0\x72\xC1\x86\xB3\x9A\x41\x3C\x2F\x92\xCA\x9B\x83\x34" + "\xA2\x87\xFF\xCB\xFC", + .clen = 16 + 21 + 16, + .assoc = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", // IV + .alen = 16, + }, +}; + +static const struct aead_testvec krb5_test_aes256_cts_hmac_sha384_192[] = { + /* rfc8009 Appendix A */ + { + /* "enc no plain" */ + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\x69\xB1\x65\x14\xE3\xCD\x8E\x56\xB8\x20\x10\xD5\xC7\x30\x12\xB6" + "\x22\xC4\xD0\x0F\xFC\x23\xED\x1F" // Ki + "\x56\xAB\x22\xBE\xE6\x3D\x82\xD7\xBC\x52\x27\xF6\x77\x3F\x8E\xA7" + "\xA5\xEB\x1C\x82\x51\x60\xC3\x83\x12\x98\x0C\x44\x2E\x5C\x7E\x49", // Ke + .klen = 4 + 4 + 32 + 24, + .ptext = + "\xF7\x64\xE9\xFA\x15\xC2\x76\x47\x8B\x2C\x7D\x0C\x4E\x5F\x58\xE4" // Confounder + "", // Plain + .plen = 16 + 0, + .ctext = + "\x41\xF5\x3F\xA5\xBF\xE7\x02\x6D\x91\xFA\xF9\xBE\x95\x91\x95\xA0" + "\x58\x70\x72\x73\xA9\x6A\x40\xF0\xA0\x19\x60\x62\x1A\xC6\x12\x74" + "\x8B\x9B\xBF\xBE\x7E\xB4\xCE\x3C", + .clen = 16 + 0 + 24, + .assoc = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", // IV + .alen = 16, + }, { + /* "enc plain<block" */ + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\x69\xB1\x65\x14\xE3\xCD\x8E\x56\xB8\x20\x10\xD5\xC7\x30\x12\xB6" + "\x22\xC4\xD0\x0F\xFC\x23\xED\x1F" // Ki + "\x56\xAB\x22\xBE\xE6\x3D\x82\xD7\xBC\x52\x27\xF6\x77\x3F\x8E\xA7" + "\xA5\xEB\x1C\x82\x51\x60\xC3\x83\x12\x98\x0C\x44\x2E\x5C\x7E\x49", // Ke + .klen = 4 + 4 + 32 + 24, + .ptext = + "\xB8\x0D\x32\x51\xC1\xF6\x47\x14\x94\x25\x6F\xFE\x71\x2D\x0B\x9A" // Confounder + "\x00\x01\x02\x03\x04\x05", // Plain + .plen = 16 + 6, + .ctext = + "\x4E\xD7\xB3\x7C\x2B\xCA\xC8\xF7\x4F\x23\xC1\xCF\x07\xE6\x2B\xC7" + "\xB7\x5F\xB3\xF6\x37\xB9\xF5\x59\xC7\xF6\x64\xF6\x9E\xAB\x7B\x60" + "\x92\x23\x75\x26\xEA\x0D\x1F\x61\xCB\x20\xD6\x9D\x10\xF2", + .clen = 16 + 6 + 24, + .assoc = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", // IV + .alen = 16, + }, { + /* "enc plain==block" */ + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\x69\xB1\x65\x14\xE3\xCD\x8E\x56\xB8\x20\x10\xD5\xC7\x30\x12\xB6" + "\x22\xC4\xD0\x0F\xFC\x23\xED\x1F" // Ki + "\x56\xAB\x22\xBE\xE6\x3D\x82\xD7\xBC\x52\x27\xF6\x77\x3F\x8E\xA7" + "\xA5\xEB\x1C\x82\x51\x60\xC3\x83\x12\x98\x0C\x44\x2E\x5C\x7E\x49", // Ke + .klen = 4 + 4 + 32 + 24, + .ptext = + "\x53\xBF\x8A\x0D\x10\x52\x65\xD4\xE2\x76\x42\x86\x24\xCE\x5E\x63" // Confounder + "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F", // Plain + .plen = 16 + 16, + .ctext = + "\xBC\x47\xFF\xEC\x79\x98\xEB\x91\xE8\x11\x5C\xF8\xD1\x9D\xAC\x4B" + "\xBB\xE2\xE1\x63\xE8\x7D\xD3\x7F\x49\xBE\xCA\x92\x02\x77\x64\xF6" + "\x8C\xF5\x1F\x14\xD7\x98\xC2\x27\x3F\x35\xDF\x57\x4D\x1F\x93\x2E" + "\x40\xC4\xFF\x25\x5B\x36\xA2\x66", + .clen = 16 + 16 + 24, + .assoc = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", // IV + .alen = 16, + }, { + /* "enc plain>block" */ + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\x69\xB1\x65\x14\xE3\xCD\x8E\x56\xB8\x20\x10\xD5\xC7\x30\x12\xB6" + "\x22\xC4\xD0\x0F\xFC\x23\xED\x1F" // Ki + "\x56\xAB\x22\xBE\xE6\x3D\x82\xD7\xBC\x52\x27\xF6\x77\x3F\x8E\xA7" + "\xA5\xEB\x1C\x82\x51\x60\xC3\x83\x12\x98\x0C\x44\x2E\x5C\x7E\x49", // Ke + .klen = 4 + 4 + 32 + 24, + .ptext = + "\x76\x3E\x65\x36\x7E\x86\x4F\x02\xF5\x51\x53\xC7\xE3\xB5\x8A\xF1" // Confounder + "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F" + "\x10\x11\x12\x13\x14", // Plain + .plen = 16 + 21, + .ctext = + "\x40\x01\x3E\x2D\xF5\x8E\x87\x51\x95\x7D\x28\x78\xBC\xD2\xD6\xFE" + "\x10\x1C\xCF\xD5\x56\xCB\x1E\xAE\x79\xDB\x3C\x3E\xE8\x64\x29\xF2" + "\xB2\xA6\x02\xAC\x86\xFE\xF6\xEC\xB6\x47\xD6\x29\x5F\xAE\x07\x7A" + "\x1F\xEB\x51\x75\x08\xD2\xC1\x6B\x41\x92\xE0\x1F\x62", + .clen = 16 + 21 + 24, + .assoc = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", // IV + .alen = 16, + }, +}; + +static const struct aead_testvec krb5_test_camellia_cts_cmac[] = { + /* rfc6803 sec 10 */ + { + // "enc no plain" + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\x45\xeb\x66\xe2\xef\xa8\x77\x8f\x7d\xf1\x46\x54\x53\x05\x98\x06" // Ki + "\xe9\x9b\x82\xb3\x6c\x4a\xe8\xea\x19\xe9\x5d\xfa\x9e\xde\x88\x2c", // Ke + .klen = 4 + 4 + 16 * 2, + .ptext = + "\xB6\x98\x22\xA1\x9A\x6B\x09\xC0\xEB\xC8\x55\x7D\x1F\x1B\x6C\x0A" // Confounder + "", // Plain + .plen = 16 + 0, + .ctext = + "\xC4\x66\xF1\x87\x10\x69\x92\x1E\xDB\x7C\x6F\xDE\x24\x4A\x52\xDB" + "\x0B\xA1\x0E\xDC\x19\x7B\xDB\x80\x06\x65\x8C\xA3\xCC\xCE\x6E\xB8", + .clen = 16 + 0 + 16, + }, { + // "enc 1 plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\x13\x5f\xe7\x11\x6f\x53\xc2\xaa\x36\x12\xb7\xea\xe0\xf2\x84\xaa" // Ki + "\xa7\xed\xcd\x53\x97\xea\x6d\x12\xb0\xaf\xf4\xcb\x8d\xaa\x57\xad", // Ke + .klen = 4 + 4 + 16 * 2, + .ptext = + "\x6F\x2F\xC3\xC2\xA1\x66\xFD\x88\x98\x96\x7A\x83\xDE\x95\x96\xD9" // Confounder + "1", // Plain + .plen = 16 + 1, + .ctext = + "\x84\x2D\x21\xFD\x95\x03\x11\xC0\xDD\x46\x4A\x3F\x4B\xE8\xD6\xDA" + "\x88\xA5\x6D\x55\x9C\x9B\x47\xD3\xF9\xA8\x50\x67\xAF\x66\x15\x59" + "\xB8", + .clen = 16 + 1 + 16, + }, { + // "enc 9 plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\x10\x2c\x34\xd0\x75\x74\x9f\x77\x8a\x15\xca\xd1\xe9\x7d\xa9\x86" // Ki + "\xdd\xe4\x2e\xca\x7c\xd9\x86\x3f\xc3\xce\x89\xcb\xc9\x43\x62\xd7", // Ke + .klen = 4 + 4 + 16 * 2, + .ptext = + "\xA5\xB4\xA7\x1E\x07\x7A\xEE\xF9\x3C\x87\x63\xC1\x8F\xDB\x1F\x10" // Confounder + "9 bytesss", // Plain + .plen = 16 + 9, + .ctext = + "\x61\x9F\xF0\x72\xE3\x62\x86\xFF\x0A\x28\xDE\xB3\xA3\x52\xEC\x0D" + "\x0E\xDF\x5C\x51\x60\xD6\x63\xC9\x01\x75\x8C\xCF\x9D\x1E\xD3\x3D" + "\x71\xDB\x8F\x23\xAA\xBF\x83\x48\xA0", + .clen = 16 + 9 + 16, + }, { + // "enc 13 plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\xb8\xc4\x38\xcc\x1a\x00\x60\xfc\x91\x3a\x8e\x07\x16\x96\xbd\x08" // Ki + "\xc3\x11\x3a\x25\x85\x90\xb9\xae\xbf\x72\x1b\x1a\xf6\xb0\xcb\xf8", // Ke + .klen = 4 + 4 + 16 * 2, + .ptext = + "\x19\xFE\xE4\x0D\x81\x0C\x52\x4B\x5B\x22\xF0\x18\x74\xC6\x93\xDA" // Confounder + "13 bytes byte", // Plain + .plen = 16 + 13, + .ctext = + "\xB8\xEC\xA3\x16\x7A\xE6\x31\x55\x12\xE5\x9F\x98\xA7\xC5\x00\x20" + "\x5E\x5F\x63\xFF\x3B\xB3\x89\xAF\x1C\x41\xA2\x1D\x64\x0D\x86\x15" + "\xC9\xED\x3F\xBE\xB0\x5A\xB6\xAC\xB6\x76\x89\xB5\xEA", + .clen = 16 + 13 + 16, + }, { + // "enc 30 plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x10") + "\x18\xaf\x19\xb0\x23\x74\x44\xfd\x75\x04\xad\x7d\xbd\x48\xad\xd3" // Ki + "\x8b\x07\xee\xd3\x01\x49\x91\x6a\xa2\x0d\xb3\xf5\xce\xd8\xaf\xad", // Ke + .klen = 4 + 4 + 16 * 2, + .ptext = + "\xCA\x7A\x7A\xB4\xBE\x19\x2D\xAB\xD6\x03\x50\x6D\xB1\x9C\x39\xE2" // Confounder + "30 bytes bytes bytes bytes byt", // Plain + .plen = 16 + 30, + .ctext = + "\xA2\x6A\x39\x05\xA4\xFF\xD5\x81\x6B\x7B\x1E\x27\x38\x0D\x08\x09" + "\x0C\x8E\xC1\xF3\x04\x49\x6E\x1A\xBD\xCD\x2B\xDC\xD1\xDF\xFC\x66" + "\x09\x89\xE1\x17\xA7\x13\xDD\xBB\x57\xA4\x14\x6C\x15\x87\xCB\xA4" + "\x35\x66\x65\x59\x1D\x22\x40\x28\x2F\x58\x42\xB1\x05\xA5", + .clen = 16 + 30 + 16, + }, { + // "enc no plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\xa2\xb8\x33\xe9\x43\xbb\x10\xee\x53\xb4\xa1\x9b\xc2\xbb\xc7\xe1" + "\x9b\x87\xad\x5d\xe9\x21\x22\xa4\x33\x8b\xe6\xf7\x32\xfd\x8a\x0e" // Ki + "\x6c\xcb\x3f\x25\xd8\xae\x57\xf4\xe8\xf6\xca\x47\x4b\xdd\xef\xf1" + "\x16\xce\x13\x1b\x3f\x71\x01\x2e\x75\x6d\x6b\x1e\x3f\x70\xa7\xf1", // Ke + .klen = 4 + 4 + 32 * 2, + .ptext = + "\x3C\xBB\xD2\xB4\x59\x17\x94\x10\x67\xF9\x65\x99\xBB\x98\x92\x6C" // Confounder + "", // Plain + .plen = 16 + 0, + .ctext = + "\x03\x88\x6D\x03\x31\x0B\x47\xA6\xD8\xF0\x6D\x7B\x94\xD1\xDD\x83" + "\x7E\xCC\xE3\x15\xEF\x65\x2A\xFF\x62\x08\x59\xD9\x4A\x25\x92\x66", + .clen = 16 + 0 + 16, + }, { + // "enc 1 plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\x84\x61\x4b\xfa\x98\xf1\x74\x8a\xa4\xaf\x99\x2b\x8c\x26\x28\x0d" + "\xc8\x98\x73\x29\xdf\x77\x5c\x1d\xb0\x4a\x43\xf1\x21\xaa\x86\x65" // Ki + "\xe9\x31\x73\xaa\x01\xeb\x3c\x24\x62\x31\xda\xfc\x78\x02\xee\x32" + "\xaf\x24\x85\x1d\x8c\x73\x87\xd1\x8c\xb9\xb2\xc5\xb7\xf5\x70\xb8", // Ke + .klen = 4 + 4 + 32 * 2, + .ptext = + "\xDE\xF4\x87\xFC\xEB\xE6\xDE\x63\x46\xD4\xDA\x45\x21\xBB\xA2\xD2" // Confounder + "1", // Plain + .plen = 16 + 1, + .ctext = + "\x2C\x9C\x15\x70\x13\x3C\x99\xBF\x6A\x34\xBC\x1B\x02\x12\x00\x2F" + "\xD1\x94\x33\x87\x49\xDB\x41\x35\x49\x7A\x34\x7C\xFC\xD9\xD1\x8A" + "\x12", + .clen = 16 + 1 + 16, + }, { + // "enc 9 plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\x47\xb9\xf5\xba\xd7\x63\x00\x58\x2a\x54\x45\xfa\x0c\x1b\x29\xc3" + "\xaa\x83\xec\x63\xb9\x0b\x4a\xb0\x08\x48\xc1\x85\x67\x4f\x44\xa7" // Ki + "\xcd\xa2\xd3\x9a\x9b\x24\x3f\xfe\xb5\x6e\x8d\x5f\x4b\xd5\x28\x74" + "\x1e\xcb\x52\x0c\x62\x12\x3f\xb0\x40\xb8\x41\x8b\x15\xc7\xd7\x0c", // Ke + .klen = 4 + 4 + 32 * 2, + .ptext = + "\xAD\x4F\xF9\x04\xD3\x4E\x55\x53\x84\xB1\x41\x00\xFC\x46\x5F\x88" // Confounder + "9 bytesss", // Plain + .plen = 16 + 9, + .ctext = + "\x9C\x6D\xE7\x5F\x81\x2D\xE7\xED\x0D\x28\xB2\x96\x35\x57\xA1\x15" + "\x64\x09\x98\x27\x5B\x0A\xF5\x15\x27\x09\x91\x3F\xF5\x2A\x2A\x9C" + "\x8E\x63\xB8\x72\xF9\x2E\x64\xC8\x39", + .clen = 16 + 9 + 16, + }, { + // "enc 13 plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\x15\x2f\x8c\x9d\xc9\x85\x79\x6e\xb1\x94\xed\x14\xc5\x9e\xac\xdd" + "\x41\x8a\x33\x32\x36\xb7\x8f\xaf\xa7\xc7\x9b\x04\xe0\xac\xe7\xbf" // Ki + "\xcd\x8a\x10\xe2\x79\xda\xdd\xb6\x90\x1e\xc3\x0b\xdf\x98\x73\x25" + "\x0f\x6e\xfc\x6a\x77\x36\x7d\x74\xdc\x3e\xe7\xf7\x4b\xc7\x77\x4e", // Ke + .klen = 4 + 4 + 32 * 2, + .ptext = + "\xCF\x9B\xCA\x6D\xF1\x14\x4E\x0C\x0A\xF9\xB8\xF3\x4C\x90\xD5\x14" // Confounder + "13 bytes byte", + .plen = 16 + 13, + .ctext = + "\xEE\xEC\x85\xA9\x81\x3C\xDC\x53\x67\x72\xAB\x9B\x42\xDE\xFC\x57" + "\x06\xF7\x26\xE9\x75\xDD\xE0\x5A\x87\xEB\x54\x06\xEA\x32\x4C\xA1" + "\x85\xC9\x98\x6B\x42\xAA\xBE\x79\x4B\x84\x82\x1B\xEE", + .clen = 16 + 13 + 16, + }, { + // "enc 30 plain", + .key = + AUTHENC_KEY_HEADER("\x00\x00\x00\x20") + "\x04\x8d\xeb\xf7\xb1\x2c\x09\x32\xe8\xb2\x96\x99\x6c\x23\xf8\xb7" + "\x9d\x59\xb9\x7e\xa1\x19\xfc\x0c\x15\x6b\xf7\x88\xdc\x8c\x85\xe8" // Ki + "\x1d\x51\x47\xf3\x4b\xb0\x01\xa0\x4a\x68\xa7\x13\x46\xe7\x65\x4e" + "\x02\x23\xa6\x0d\x90\xbc\x2b\x79\xb4\xd8\x79\x56\xd4\x7c\xd4\x2a", // Ke + .klen = 4 + 4 + 32 * 2, + .ptext = + "\x64\x4D\xEF\x38\xDA\x35\x00\x72\x75\x87\x8D\x21\x68\x55\xE2\x28" // Confounder + "30 bytes bytes bytes bytes byt", // Plain + .plen = 16 + 30, + .ctext = + "\x0E\x44\x68\x09\x85\x85\x5F\x2D\x1F\x18\x12\x52\x9C\xA8\x3B\xFD" + "\x8E\x34\x9D\xE6\xFD\x9A\xDA\x0B\xAA\xA0\x48\xD6\x8E\x26\x5F\xEB" + "\xF3\x4A\xD1\x25\x5A\x34\x49\x99\xAD\x37\x14\x68\x87\xA6\xC6\x84" + "\x57\x31\xAC\x7F\x46\x37\x6A\x05\x04\xCD\x06\x57\x14\x74", + .clen = 16 + 30 + 16, + }, +}; + #endif /* _CRYPTO_TESTMGR_H */ diff --git a/crypto/twofish_generic.c b/crypto/twofish_generic.c index 557915e4062d..368018cfa9bf 100644 --- a/crypto/twofish_generic.c +++ b/crypto/twofish_generic.c @@ -24,7 +24,7 @@ * Third Edition. */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <crypto/algapi.h> #include <crypto/twofish.h> #include <linux/module.h> @@ -187,7 +187,7 @@ static void __exit twofish_mod_fini(void) crypto_unregister_alg(&alg); } -subsys_initcall(twofish_mod_init); +module_init(twofish_mod_init); module_exit(twofish_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/vmac.c b/crypto/vmac.c deleted file mode 100644 index 4633b2dda1e0..000000000000 --- a/crypto/vmac.c +++ /dev/null @@ -1,697 +0,0 @@ -/* - * VMAC: Message Authentication Code using Universal Hashing - * - * Reference: https://tools.ietf.org/html/draft-krovetz-vmac-01 - * - * Copyright (c) 2009, Intel Corporation. - * Copyright (c) 2018, Google Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. - */ - -/* - * Derived from: - * VMAC and VHASH Implementation by Ted Krovetz (tdk@acm.org) and Wei Dai. - * This implementation is herby placed in the public domain. - * The authors offers no warranty. Use at your own risk. - * Last modified: 17 APR 08, 1700 PDT - */ - -#include <asm/unaligned.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/crypto.h> -#include <linux/module.h> -#include <linux/scatterlist.h> -#include <asm/byteorder.h> -#include <crypto/scatterwalk.h> -#include <crypto/internal/cipher.h> -#include <crypto/internal/hash.h> - -/* - * User definable settings. - */ -#define VMAC_TAG_LEN 64 -#define VMAC_KEY_SIZE 128/* Must be 128, 192 or 256 */ -#define VMAC_KEY_LEN (VMAC_KEY_SIZE/8) -#define VMAC_NHBYTES 128/* Must 2^i for any 3 < i < 13 Standard = 128*/ -#define VMAC_NONCEBYTES 16 - -/* per-transform (per-key) context */ -struct vmac_tfm_ctx { - struct crypto_cipher *cipher; - u64 nhkey[(VMAC_NHBYTES/8)+2*(VMAC_TAG_LEN/64-1)]; - u64 polykey[2*VMAC_TAG_LEN/64]; - u64 l3key[2*VMAC_TAG_LEN/64]; -}; - -/* per-request context */ -struct vmac_desc_ctx { - union { - u8 partial[VMAC_NHBYTES]; /* partial block */ - __le64 partial_words[VMAC_NHBYTES / 8]; - }; - unsigned int partial_size; /* size of the partial block */ - bool first_block_processed; - u64 polytmp[2*VMAC_TAG_LEN/64]; /* running total of L2-hash */ - union { - u8 bytes[VMAC_NONCEBYTES]; - __be64 pads[VMAC_NONCEBYTES / 8]; - } nonce; - unsigned int nonce_size; /* nonce bytes filled so far */ -}; - -/* - * Constants and masks - */ -#define UINT64_C(x) x##ULL -static const u64 p64 = UINT64_C(0xfffffffffffffeff); /* 2^64 - 257 prime */ -static const u64 m62 = UINT64_C(0x3fffffffffffffff); /* 62-bit mask */ -static const u64 m63 = UINT64_C(0x7fffffffffffffff); /* 63-bit mask */ -static const u64 m64 = UINT64_C(0xffffffffffffffff); /* 64-bit mask */ -static const u64 mpoly = UINT64_C(0x1fffffff1fffffff); /* Poly key mask */ - -#define pe64_to_cpup le64_to_cpup /* Prefer little endian */ - -#ifdef __LITTLE_ENDIAN -#define INDEX_HIGH 1 -#define INDEX_LOW 0 -#else -#define INDEX_HIGH 0 -#define INDEX_LOW 1 -#endif - -/* - * The following routines are used in this implementation. They are - * written via macros to simulate zero-overhead call-by-reference. - * - * MUL64: 64x64->128-bit multiplication - * PMUL64: assumes top bits cleared on inputs - * ADD128: 128x128->128-bit addition - */ - -#define ADD128(rh, rl, ih, il) \ - do { \ - u64 _il = (il); \ - (rl) += (_il); \ - if ((rl) < (_il)) \ - (rh)++; \ - (rh) += (ih); \ - } while (0) - -#define MUL32(i1, i2) ((u64)(u32)(i1)*(u32)(i2)) - -#define PMUL64(rh, rl, i1, i2) /* Assumes m doesn't overflow */ \ - do { \ - u64 _i1 = (i1), _i2 = (i2); \ - u64 m = MUL32(_i1, _i2>>32) + MUL32(_i1>>32, _i2); \ - rh = MUL32(_i1>>32, _i2>>32); \ - rl = MUL32(_i1, _i2); \ - ADD128(rh, rl, (m >> 32), (m << 32)); \ - } while (0) - -#define MUL64(rh, rl, i1, i2) \ - do { \ - u64 _i1 = (i1), _i2 = (i2); \ - u64 m1 = MUL32(_i1, _i2>>32); \ - u64 m2 = MUL32(_i1>>32, _i2); \ - rh = MUL32(_i1>>32, _i2>>32); \ - rl = MUL32(_i1, _i2); \ - ADD128(rh, rl, (m1 >> 32), (m1 << 32)); \ - ADD128(rh, rl, (m2 >> 32), (m2 << 32)); \ - } while (0) - -/* - * For highest performance the L1 NH and L2 polynomial hashes should be - * carefully implemented to take advantage of one's target architecture. - * Here these two hash functions are defined multiple time; once for - * 64-bit architectures, once for 32-bit SSE2 architectures, and once - * for the rest (32-bit) architectures. - * For each, nh_16 *must* be defined (works on multiples of 16 bytes). - * Optionally, nh_vmac_nhbytes can be defined (for multiples of - * VMAC_NHBYTES), and nh_16_2 and nh_vmac_nhbytes_2 (versions that do two - * NH computations at once). - */ - -#ifdef CONFIG_64BIT - -#define nh_16(mp, kp, nw, rh, rl) \ - do { \ - int i; u64 th, tl; \ - rh = rl = 0; \ - for (i = 0; i < nw; i += 2) { \ - MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i], \ - pe64_to_cpup((mp)+i+1)+(kp)[i+1]); \ - ADD128(rh, rl, th, tl); \ - } \ - } while (0) - -#define nh_16_2(mp, kp, nw, rh, rl, rh1, rl1) \ - do { \ - int i; u64 th, tl; \ - rh1 = rl1 = rh = rl = 0; \ - for (i = 0; i < nw; i += 2) { \ - MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i], \ - pe64_to_cpup((mp)+i+1)+(kp)[i+1]); \ - ADD128(rh, rl, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i+2], \ - pe64_to_cpup((mp)+i+1)+(kp)[i+3]); \ - ADD128(rh1, rl1, th, tl); \ - } \ - } while (0) - -#if (VMAC_NHBYTES >= 64) /* These versions do 64-bytes of message at a time */ -#define nh_vmac_nhbytes(mp, kp, nw, rh, rl) \ - do { \ - int i; u64 th, tl; \ - rh = rl = 0; \ - for (i = 0; i < nw; i += 8) { \ - MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i], \ - pe64_to_cpup((mp)+i+1)+(kp)[i+1]); \ - ADD128(rh, rl, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+2], \ - pe64_to_cpup((mp)+i+3)+(kp)[i+3]); \ - ADD128(rh, rl, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+4], \ - pe64_to_cpup((mp)+i+5)+(kp)[i+5]); \ - ADD128(rh, rl, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+6], \ - pe64_to_cpup((mp)+i+7)+(kp)[i+7]); \ - ADD128(rh, rl, th, tl); \ - } \ - } while (0) - -#define nh_vmac_nhbytes_2(mp, kp, nw, rh, rl, rh1, rl1) \ - do { \ - int i; u64 th, tl; \ - rh1 = rl1 = rh = rl = 0; \ - for (i = 0; i < nw; i += 8) { \ - MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i], \ - pe64_to_cpup((mp)+i+1)+(kp)[i+1]); \ - ADD128(rh, rl, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i+2], \ - pe64_to_cpup((mp)+i+1)+(kp)[i+3]); \ - ADD128(rh1, rl1, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+2], \ - pe64_to_cpup((mp)+i+3)+(kp)[i+3]); \ - ADD128(rh, rl, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+4], \ - pe64_to_cpup((mp)+i+3)+(kp)[i+5]); \ - ADD128(rh1, rl1, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+4], \ - pe64_to_cpup((mp)+i+5)+(kp)[i+5]); \ - ADD128(rh, rl, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+6], \ - pe64_to_cpup((mp)+i+5)+(kp)[i+7]); \ - ADD128(rh1, rl1, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+6], \ - pe64_to_cpup((mp)+i+7)+(kp)[i+7]); \ - ADD128(rh, rl, th, tl); \ - MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+8], \ - pe64_to_cpup((mp)+i+7)+(kp)[i+9]); \ - ADD128(rh1, rl1, th, tl); \ - } \ - } while (0) -#endif - -#define poly_step(ah, al, kh, kl, mh, ml) \ - do { \ - u64 t1h, t1l, t2h, t2l, t3h, t3l, z = 0; \ - /* compute ab*cd, put bd into result registers */ \ - PMUL64(t3h, t3l, al, kh); \ - PMUL64(t2h, t2l, ah, kl); \ - PMUL64(t1h, t1l, ah, 2*kh); \ - PMUL64(ah, al, al, kl); \ - /* add 2 * ac to result */ \ - ADD128(ah, al, t1h, t1l); \ - /* add together ad + bc */ \ - ADD128(t2h, t2l, t3h, t3l); \ - /* now (ah,al), (t2l,2*t2h) need summing */ \ - /* first add the high registers, carrying into t2h */ \ - ADD128(t2h, ah, z, t2l); \ - /* double t2h and add top bit of ah */ \ - t2h = 2 * t2h + (ah >> 63); \ - ah &= m63; \ - /* now add the low registers */ \ - ADD128(ah, al, mh, ml); \ - ADD128(ah, al, z, t2h); \ - } while (0) - -#else /* ! CONFIG_64BIT */ - -#ifndef nh_16 -#define nh_16(mp, kp, nw, rh, rl) \ - do { \ - u64 t1, t2, m1, m2, t; \ - int i; \ - rh = rl = t = 0; \ - for (i = 0; i < nw; i += 2) { \ - t1 = pe64_to_cpup(mp+i) + kp[i]; \ - t2 = pe64_to_cpup(mp+i+1) + kp[i+1]; \ - m2 = MUL32(t1 >> 32, t2); \ - m1 = MUL32(t1, t2 >> 32); \ - ADD128(rh, rl, MUL32(t1 >> 32, t2 >> 32), \ - MUL32(t1, t2)); \ - rh += (u64)(u32)(m1 >> 32) \ - + (u32)(m2 >> 32); \ - t += (u64)(u32)m1 + (u32)m2; \ - } \ - ADD128(rh, rl, (t >> 32), (t << 32)); \ - } while (0) -#endif - -static void poly_step_func(u64 *ahi, u64 *alo, - const u64 *kh, const u64 *kl, - const u64 *mh, const u64 *ml) -{ -#define a0 (*(((u32 *)alo)+INDEX_LOW)) -#define a1 (*(((u32 *)alo)+INDEX_HIGH)) -#define a2 (*(((u32 *)ahi)+INDEX_LOW)) -#define a3 (*(((u32 *)ahi)+INDEX_HIGH)) -#define k0 (*(((u32 *)kl)+INDEX_LOW)) -#define k1 (*(((u32 *)kl)+INDEX_HIGH)) -#define k2 (*(((u32 *)kh)+INDEX_LOW)) -#define k3 (*(((u32 *)kh)+INDEX_HIGH)) - - u64 p, q, t; - u32 t2; - - p = MUL32(a3, k3); - p += p; - p += *(u64 *)mh; - p += MUL32(a0, k2); - p += MUL32(a1, k1); - p += MUL32(a2, k0); - t = (u32)(p); - p >>= 32; - p += MUL32(a0, k3); - p += MUL32(a1, k2); - p += MUL32(a2, k1); - p += MUL32(a3, k0); - t |= ((u64)((u32)p & 0x7fffffff)) << 32; - p >>= 31; - p += (u64)(((u32 *)ml)[INDEX_LOW]); - p += MUL32(a0, k0); - q = MUL32(a1, k3); - q += MUL32(a2, k2); - q += MUL32(a3, k1); - q += q; - p += q; - t2 = (u32)(p); - p >>= 32; - p += (u64)(((u32 *)ml)[INDEX_HIGH]); - p += MUL32(a0, k1); - p += MUL32(a1, k0); - q = MUL32(a2, k3); - q += MUL32(a3, k2); - q += q; - p += q; - *(u64 *)(alo) = (p << 32) | t2; - p >>= 32; - *(u64 *)(ahi) = p + t; - -#undef a0 -#undef a1 -#undef a2 -#undef a3 -#undef k0 -#undef k1 -#undef k2 -#undef k3 -} - -#define poly_step(ah, al, kh, kl, mh, ml) \ - poly_step_func(&(ah), &(al), &(kh), &(kl), &(mh), &(ml)) - -#endif /* end of specialized NH and poly definitions */ - -/* At least nh_16 is defined. Defined others as needed here */ -#ifndef nh_16_2 -#define nh_16_2(mp, kp, nw, rh, rl, rh2, rl2) \ - do { \ - nh_16(mp, kp, nw, rh, rl); \ - nh_16(mp, ((kp)+2), nw, rh2, rl2); \ - } while (0) -#endif -#ifndef nh_vmac_nhbytes -#define nh_vmac_nhbytes(mp, kp, nw, rh, rl) \ - nh_16(mp, kp, nw, rh, rl) -#endif -#ifndef nh_vmac_nhbytes_2 -#define nh_vmac_nhbytes_2(mp, kp, nw, rh, rl, rh2, rl2) \ - do { \ - nh_vmac_nhbytes(mp, kp, nw, rh, rl); \ - nh_vmac_nhbytes(mp, ((kp)+2), nw, rh2, rl2); \ - } while (0) -#endif - -static u64 l3hash(u64 p1, u64 p2, u64 k1, u64 k2, u64 len) -{ - u64 rh, rl, t, z = 0; - - /* fully reduce (p1,p2)+(len,0) mod p127 */ - t = p1 >> 63; - p1 &= m63; - ADD128(p1, p2, len, t); - /* At this point, (p1,p2) is at most 2^127+(len<<64) */ - t = (p1 > m63) + ((p1 == m63) && (p2 == m64)); - ADD128(p1, p2, z, t); - p1 &= m63; - - /* compute (p1,p2)/(2^64-2^32) and (p1,p2)%(2^64-2^32) */ - t = p1 + (p2 >> 32); - t += (t >> 32); - t += (u32)t > 0xfffffffeu; - p1 += (t >> 32); - p2 += (p1 << 32); - - /* compute (p1+k1)%p64 and (p2+k2)%p64 */ - p1 += k1; - p1 += (0 - (p1 < k1)) & 257; - p2 += k2; - p2 += (0 - (p2 < k2)) & 257; - - /* compute (p1+k1)*(p2+k2)%p64 */ - MUL64(rh, rl, p1, p2); - t = rh >> 56; - ADD128(t, rl, z, rh); - rh <<= 8; - ADD128(t, rl, z, rh); - t += t << 8; - rl += t; - rl += (0 - (rl < t)) & 257; - rl += (0 - (rl > p64-1)) & 257; - return rl; -} - -/* L1 and L2-hash one or more VMAC_NHBYTES-byte blocks */ -static void vhash_blocks(const struct vmac_tfm_ctx *tctx, - struct vmac_desc_ctx *dctx, - const __le64 *mptr, unsigned int blocks) -{ - const u64 *kptr = tctx->nhkey; - const u64 pkh = tctx->polykey[0]; - const u64 pkl = tctx->polykey[1]; - u64 ch = dctx->polytmp[0]; - u64 cl = dctx->polytmp[1]; - u64 rh, rl; - - if (!dctx->first_block_processed) { - dctx->first_block_processed = true; - nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl); - rh &= m62; - ADD128(ch, cl, rh, rl); - mptr += (VMAC_NHBYTES/sizeof(u64)); - blocks--; - } - - while (blocks--) { - nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl); - rh &= m62; - poly_step(ch, cl, pkh, pkl, rh, rl); - mptr += (VMAC_NHBYTES/sizeof(u64)); - } - - dctx->polytmp[0] = ch; - dctx->polytmp[1] = cl; -} - -static int vmac_setkey(struct crypto_shash *tfm, - const u8 *key, unsigned int keylen) -{ - struct vmac_tfm_ctx *tctx = crypto_shash_ctx(tfm); - __be64 out[2]; - u8 in[16] = { 0 }; - unsigned int i; - int err; - - if (keylen != VMAC_KEY_LEN) - return -EINVAL; - - err = crypto_cipher_setkey(tctx->cipher, key, keylen); - if (err) - return err; - - /* Fill nh key */ - in[0] = 0x80; - for (i = 0; i < ARRAY_SIZE(tctx->nhkey); i += 2) { - crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in); - tctx->nhkey[i] = be64_to_cpu(out[0]); - tctx->nhkey[i+1] = be64_to_cpu(out[1]); - in[15]++; - } - - /* Fill poly key */ - in[0] = 0xC0; - in[15] = 0; - for (i = 0; i < ARRAY_SIZE(tctx->polykey); i += 2) { - crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in); - tctx->polykey[i] = be64_to_cpu(out[0]) & mpoly; - tctx->polykey[i+1] = be64_to_cpu(out[1]) & mpoly; - in[15]++; - } - - /* Fill ip key */ - in[0] = 0xE0; - in[15] = 0; - for (i = 0; i < ARRAY_SIZE(tctx->l3key); i += 2) { - do { - crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in); - tctx->l3key[i] = be64_to_cpu(out[0]); - tctx->l3key[i+1] = be64_to_cpu(out[1]); - in[15]++; - } while (tctx->l3key[i] >= p64 || tctx->l3key[i+1] >= p64); - } - - return 0; -} - -static int vmac_init(struct shash_desc *desc) -{ - const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); - struct vmac_desc_ctx *dctx = shash_desc_ctx(desc); - - dctx->partial_size = 0; - dctx->first_block_processed = false; - memcpy(dctx->polytmp, tctx->polykey, sizeof(dctx->polytmp)); - dctx->nonce_size = 0; - return 0; -} - -static int vmac_update(struct shash_desc *desc, const u8 *p, unsigned int len) -{ - const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); - struct vmac_desc_ctx *dctx = shash_desc_ctx(desc); - unsigned int n; - - /* Nonce is passed as first VMAC_NONCEBYTES bytes of data */ - if (dctx->nonce_size < VMAC_NONCEBYTES) { - n = min(len, VMAC_NONCEBYTES - dctx->nonce_size); - memcpy(&dctx->nonce.bytes[dctx->nonce_size], p, n); - dctx->nonce_size += n; - p += n; - len -= n; - } - - if (dctx->partial_size) { - n = min(len, VMAC_NHBYTES - dctx->partial_size); - memcpy(&dctx->partial[dctx->partial_size], p, n); - dctx->partial_size += n; - p += n; - len -= n; - if (dctx->partial_size == VMAC_NHBYTES) { - vhash_blocks(tctx, dctx, dctx->partial_words, 1); - dctx->partial_size = 0; - } - } - - if (len >= VMAC_NHBYTES) { - n = round_down(len, VMAC_NHBYTES); - /* TODO: 'p' may be misaligned here */ - vhash_blocks(tctx, dctx, (const __le64 *)p, n / VMAC_NHBYTES); - p += n; - len -= n; - } - - if (len) { - memcpy(dctx->partial, p, len); - dctx->partial_size = len; - } - - return 0; -} - -static u64 vhash_final(const struct vmac_tfm_ctx *tctx, - struct vmac_desc_ctx *dctx) -{ - unsigned int partial = dctx->partial_size; - u64 ch = dctx->polytmp[0]; - u64 cl = dctx->polytmp[1]; - - /* L1 and L2-hash the final block if needed */ - if (partial) { - /* Zero-pad to next 128-bit boundary */ - unsigned int n = round_up(partial, 16); - u64 rh, rl; - - memset(&dctx->partial[partial], 0, n - partial); - nh_16(dctx->partial_words, tctx->nhkey, n / 8, rh, rl); - rh &= m62; - if (dctx->first_block_processed) - poly_step(ch, cl, tctx->polykey[0], tctx->polykey[1], - rh, rl); - else - ADD128(ch, cl, rh, rl); - } - - /* L3-hash the 128-bit output of L2-hash */ - return l3hash(ch, cl, tctx->l3key[0], tctx->l3key[1], partial * 8); -} - -static int vmac_final(struct shash_desc *desc, u8 *out) -{ - const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm); - struct vmac_desc_ctx *dctx = shash_desc_ctx(desc); - int index; - u64 hash, pad; - - if (dctx->nonce_size != VMAC_NONCEBYTES) - return -EINVAL; - - /* - * The VMAC specification requires a nonce at least 1 bit shorter than - * the block cipher's block length, so we actually only accept a 127-bit - * nonce. We define the unused bit to be the first one and require that - * it be 0, so the needed prepending of a 0 bit is implicit. - */ - if (dctx->nonce.bytes[0] & 0x80) - return -EINVAL; - - /* Finish calculating the VHASH of the message */ - hash = vhash_final(tctx, dctx); - - /* Generate pseudorandom pad by encrypting the nonce */ - BUILD_BUG_ON(VMAC_NONCEBYTES != 2 * (VMAC_TAG_LEN / 8)); - index = dctx->nonce.bytes[VMAC_NONCEBYTES - 1] & 1; - dctx->nonce.bytes[VMAC_NONCEBYTES - 1] &= ~1; - crypto_cipher_encrypt_one(tctx->cipher, dctx->nonce.bytes, - dctx->nonce.bytes); - pad = be64_to_cpu(dctx->nonce.pads[index]); - - /* The VMAC is the sum of VHASH and the pseudorandom pad */ - put_unaligned_be64(hash + pad, out); - return 0; -} - -static int vmac_init_tfm(struct crypto_tfm *tfm) -{ - struct crypto_instance *inst = crypto_tfm_alg_instance(tfm); - struct crypto_cipher_spawn *spawn = crypto_instance_ctx(inst); - struct vmac_tfm_ctx *tctx = crypto_tfm_ctx(tfm); - struct crypto_cipher *cipher; - - cipher = crypto_spawn_cipher(spawn); - if (IS_ERR(cipher)) - return PTR_ERR(cipher); - - tctx->cipher = cipher; - return 0; -} - -static void vmac_exit_tfm(struct crypto_tfm *tfm) -{ - struct vmac_tfm_ctx *tctx = crypto_tfm_ctx(tfm); - - crypto_free_cipher(tctx->cipher); -} - -static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb) -{ - struct shash_instance *inst; - struct crypto_cipher_spawn *spawn; - struct crypto_alg *alg; - u32 mask; - int err; - - err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH, &mask); - if (err) - return err; - - inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); - if (!inst) - return -ENOMEM; - spawn = shash_instance_ctx(inst); - - err = crypto_grab_cipher(spawn, shash_crypto_instance(inst), - crypto_attr_alg_name(tb[1]), 0, mask); - if (err) - goto err_free_inst; - alg = crypto_spawn_cipher_alg(spawn); - - err = -EINVAL; - if (alg->cra_blocksize != VMAC_NONCEBYTES) - goto err_free_inst; - - err = crypto_inst_setname(shash_crypto_instance(inst), tmpl->name, alg); - if (err) - goto err_free_inst; - - inst->alg.base.cra_priority = alg->cra_priority; - inst->alg.base.cra_blocksize = alg->cra_blocksize; - inst->alg.base.cra_alignmask = alg->cra_alignmask; - - inst->alg.base.cra_ctxsize = sizeof(struct vmac_tfm_ctx); - inst->alg.base.cra_init = vmac_init_tfm; - inst->alg.base.cra_exit = vmac_exit_tfm; - - inst->alg.descsize = sizeof(struct vmac_desc_ctx); - inst->alg.digestsize = VMAC_TAG_LEN / 8; - inst->alg.init = vmac_init; - inst->alg.update = vmac_update; - inst->alg.final = vmac_final; - inst->alg.setkey = vmac_setkey; - - inst->free = shash_free_singlespawn_instance; - - err = shash_register_instance(tmpl, inst); - if (err) { -err_free_inst: - shash_free_singlespawn_instance(inst); - } - return err; -} - -static struct crypto_template vmac64_tmpl = { - .name = "vmac64", - .create = vmac_create, - .module = THIS_MODULE, -}; - -static int __init vmac_module_init(void) -{ - return crypto_register_template(&vmac64_tmpl); -} - -static void __exit vmac_module_exit(void) -{ - crypto_unregister_template(&vmac64_tmpl); -} - -subsys_initcall(vmac_module_init); -module_exit(vmac_module_exit); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("VMAC hash algorithm"); -MODULE_ALIAS_CRYPTO("vmac64"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); diff --git a/crypto/wp512.c b/crypto/wp512.c index 07994e5ebf4e..229b189a7988 100644 --- a/crypto/wp512.c +++ b/crypto/wp512.c @@ -21,10 +21,10 @@ */ #include <crypto/internal/hash.h> #include <linux/init.h> +#include <linux/kernel.h> #include <linux/module.h> -#include <linux/mm.h> -#include <asm/byteorder.h> -#include <linux/types.h> +#include <linux/string.h> +#include <linux/unaligned.h> #define WP512_DIGEST_SIZE 64 #define WP384_DIGEST_SIZE 48 @@ -37,9 +37,6 @@ struct wp512_ctx { u8 bitLength[WP512_LENGTHBYTES]; - u8 buffer[WP512_BLOCK_SIZE]; - int bufferBits; - int bufferPos; u64 hash[WP512_DIGEST_SIZE/8]; }; @@ -779,16 +776,16 @@ static const u64 rc[WHIRLPOOL_ROUNDS] = { * The core Whirlpool transform. */ -static __no_kmsan_checks void wp512_process_buffer(struct wp512_ctx *wctx) { +static __no_kmsan_checks void wp512_process_buffer(struct wp512_ctx *wctx, + const u8 *buffer) { int i, r; u64 K[8]; /* the round key */ u64 block[8]; /* mu(buffer) */ u64 state[8]; /* the cipher state */ u64 L[8]; - const __be64 *buffer = (const __be64 *)wctx->buffer; for (i = 0; i < 8; i++) - block[i] = be64_to_cpu(buffer[i]); + block[i] = get_unaligned_be64(buffer + i * 8); state[0] = block[0] ^ (K[0] = wctx->hash[0]); state[1] = block[1] ^ (K[1] = wctx->hash[1]); @@ -991,8 +988,6 @@ static int wp512_init(struct shash_desc *desc) { int i; memset(wctx->bitLength, 0, 32); - wctx->bufferBits = wctx->bufferPos = 0; - wctx->buffer[0] = 0; for (i = 0; i < 8; i++) { wctx->hash[i] = 0L; } @@ -1000,84 +995,54 @@ static int wp512_init(struct shash_desc *desc) { return 0; } -static int wp512_update(struct shash_desc *desc, const u8 *source, - unsigned int len) +static void wp512_add_length(u8 *bitLength, u64 value) { - struct wp512_ctx *wctx = shash_desc_ctx(desc); - int sourcePos = 0; - unsigned int bits_len = len * 8; // convert to number of bits - int sourceGap = (8 - ((int)bits_len & 7)) & 7; - int bufferRem = wctx->bufferBits & 7; + u32 carry; int i; - u32 b, carry; - u8 *buffer = wctx->buffer; - u8 *bitLength = wctx->bitLength; - int bufferBits = wctx->bufferBits; - int bufferPos = wctx->bufferPos; - u64 value = bits_len; for (i = 31, carry = 0; i >= 0 && (carry != 0 || value != 0ULL); i--) { carry += bitLength[i] + ((u32)value & 0xff); bitLength[i] = (u8)carry; carry >>= 8; value >>= 8; } - while (bits_len > 8) { - b = ((source[sourcePos] << sourceGap) & 0xff) | - ((source[sourcePos + 1] & 0xff) >> (8 - sourceGap)); - buffer[bufferPos++] |= (u8)(b >> bufferRem); - bufferBits += 8 - bufferRem; - if (bufferBits == WP512_BLOCK_SIZE * 8) { - wp512_process_buffer(wctx); - bufferBits = bufferPos = 0; - } - buffer[bufferPos] = b << (8 - bufferRem); - bufferBits += bufferRem; - bits_len -= 8; - sourcePos++; - } - if (bits_len > 0) { - b = (source[sourcePos] << sourceGap) & 0xff; - buffer[bufferPos] |= b >> bufferRem; - } else { - b = 0; - } - if (bufferRem + bits_len < 8) { - bufferBits += bits_len; - } else { - bufferPos++; - bufferBits += 8 - bufferRem; - bits_len -= 8 - bufferRem; - if (bufferBits == WP512_BLOCK_SIZE * 8) { - wp512_process_buffer(wctx); - bufferBits = bufferPos = 0; - } - buffer[bufferPos] = b << (8 - bufferRem); - bufferBits += (int)bits_len; - } +} - wctx->bufferBits = bufferBits; - wctx->bufferPos = bufferPos; +static int wp512_update(struct shash_desc *desc, const u8 *source, + unsigned int len) +{ + struct wp512_ctx *wctx = shash_desc_ctx(desc); + unsigned int remain = len % WP512_BLOCK_SIZE; + u64 bits_len = (len - remain) * 8ull; + u8 *bitLength = wctx->bitLength; - return 0; + wp512_add_length(bitLength, bits_len); + do { + wp512_process_buffer(wctx, source); + source += WP512_BLOCK_SIZE; + bits_len -= WP512_BLOCK_SIZE * 8; + } while (bits_len); + + return remain; } -static int wp512_final(struct shash_desc *desc, u8 *out) +static int wp512_finup(struct shash_desc *desc, const u8 *src, + unsigned int bufferPos, u8 *out) { struct wp512_ctx *wctx = shash_desc_ctx(desc); int i; - u8 *buffer = wctx->buffer; u8 *bitLength = wctx->bitLength; - int bufferBits = wctx->bufferBits; - int bufferPos = wctx->bufferPos; __be64 *digest = (__be64 *)out; + u8 buffer[WP512_BLOCK_SIZE]; - buffer[bufferPos] |= 0x80U >> (bufferBits & 7); + wp512_add_length(bitLength, bufferPos * 8); + memcpy(buffer, src, bufferPos); + buffer[bufferPos] = 0x80U; bufferPos++; if (bufferPos > WP512_BLOCK_SIZE - WP512_LENGTHBYTES) { if (bufferPos < WP512_BLOCK_SIZE) memset(&buffer[bufferPos], 0, WP512_BLOCK_SIZE - bufferPos); - wp512_process_buffer(wctx); + wp512_process_buffer(wctx, buffer); bufferPos = 0; } if (bufferPos < WP512_BLOCK_SIZE - WP512_LENGTHBYTES) @@ -1086,31 +1051,32 @@ static int wp512_final(struct shash_desc *desc, u8 *out) bufferPos = WP512_BLOCK_SIZE - WP512_LENGTHBYTES; memcpy(&buffer[WP512_BLOCK_SIZE - WP512_LENGTHBYTES], bitLength, WP512_LENGTHBYTES); - wp512_process_buffer(wctx); + wp512_process_buffer(wctx, buffer); + memzero_explicit(buffer, sizeof(buffer)); for (i = 0; i < WP512_DIGEST_SIZE/8; i++) digest[i] = cpu_to_be64(wctx->hash[i]); - wctx->bufferBits = bufferBits; - wctx->bufferPos = bufferPos; return 0; } -static int wp384_final(struct shash_desc *desc, u8 *out) +static int wp384_finup(struct shash_desc *desc, const u8 *src, + unsigned int len, u8 *out) { u8 D[64]; - wp512_final(desc, D); + wp512_finup(desc, src, len, D); memcpy(out, D, WP384_DIGEST_SIZE); memzero_explicit(D, WP512_DIGEST_SIZE); return 0; } -static int wp256_final(struct shash_desc *desc, u8 *out) +static int wp256_finup(struct shash_desc *desc, const u8 *src, + unsigned int len, u8 *out) { u8 D[64]; - wp512_final(desc, D); + wp512_finup(desc, src, len, D); memcpy(out, D, WP256_DIGEST_SIZE); memzero_explicit(D, WP512_DIGEST_SIZE); @@ -1121,11 +1087,12 @@ static struct shash_alg wp_algs[3] = { { .digestsize = WP512_DIGEST_SIZE, .init = wp512_init, .update = wp512_update, - .final = wp512_final, + .finup = wp512_finup, .descsize = sizeof(struct wp512_ctx), .base = { .cra_name = "wp512", .cra_driver_name = "wp512-generic", + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, .cra_blocksize = WP512_BLOCK_SIZE, .cra_module = THIS_MODULE, } @@ -1133,11 +1100,12 @@ static struct shash_alg wp_algs[3] = { { .digestsize = WP384_DIGEST_SIZE, .init = wp512_init, .update = wp512_update, - .final = wp384_final, + .finup = wp384_finup, .descsize = sizeof(struct wp512_ctx), .base = { .cra_name = "wp384", .cra_driver_name = "wp384-generic", + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, .cra_blocksize = WP512_BLOCK_SIZE, .cra_module = THIS_MODULE, } @@ -1145,11 +1113,12 @@ static struct shash_alg wp_algs[3] = { { .digestsize = WP256_DIGEST_SIZE, .init = wp512_init, .update = wp512_update, - .final = wp256_final, + .finup = wp256_finup, .descsize = sizeof(struct wp512_ctx), .base = { .cra_name = "wp256", .cra_driver_name = "wp256-generic", + .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, .cra_blocksize = WP512_BLOCK_SIZE, .cra_module = THIS_MODULE, } @@ -1169,7 +1138,7 @@ MODULE_ALIAS_CRYPTO("wp512"); MODULE_ALIAS_CRYPTO("wp384"); MODULE_ALIAS_CRYPTO("wp256"); -subsys_initcall(wp512_mod_init); +module_init(wp512_mod_init); module_exit(wp512_mod_fini); MODULE_LICENSE("GPL"); diff --git a/crypto/xcbc.c b/crypto/xcbc.c index 6074c5c1da49..6c5f6766fdd6 100644 --- a/crypto/xcbc.c +++ b/crypto/xcbc.c @@ -8,9 +8,12 @@ #include <crypto/internal/cipher.h> #include <crypto/internal/hash.h> +#include <crypto/utils.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> +#include <linux/string.h> static u_int32_t ks[12] = {0x01010101, 0x01010101, 0x01010101, 0x01010101, 0x02020202, 0x02020202, 0x02020202, 0x02020202, @@ -27,23 +30,7 @@ static u_int32_t ks[12] = {0x01010101, 0x01010101, 0x01010101, 0x01010101, */ struct xcbc_tfm_ctx { struct crypto_cipher *child; - u8 ctx[]; -}; - -/* - * +------------------------ - * | <shash desc> - * +------------------------ - * | xcbc_desc_ctx - * +------------------------ - * | odds (block size) - * +------------------------ - * | prev (block size) - * +------------------------ - */ -struct xcbc_desc_ctx { - unsigned int len; - u8 ctx[]; + u8 consts[]; }; #define XCBC_BLOCKSIZE 16 @@ -51,9 +38,8 @@ struct xcbc_desc_ctx { static int crypto_xcbc_digest_setkey(struct crypto_shash *parent, const u8 *inkey, unsigned int keylen) { - unsigned long alignmask = crypto_shash_alignmask(parent); struct xcbc_tfm_ctx *ctx = crypto_shash_ctx(parent); - u8 *consts = PTR_ALIGN(&ctx->ctx[0], alignmask + 1); + u8 *consts = ctx->consts; int err = 0; u8 key1[XCBC_BLOCKSIZE]; int bs = sizeof(key1); @@ -71,14 +57,10 @@ static int crypto_xcbc_digest_setkey(struct crypto_shash *parent, static int crypto_xcbc_digest_init(struct shash_desc *pdesc) { - unsigned long alignmask = crypto_shash_alignmask(pdesc->tfm); - struct xcbc_desc_ctx *ctx = shash_desc_ctx(pdesc); int bs = crypto_shash_blocksize(pdesc->tfm); - u8 *prev = PTR_ALIGN(&ctx->ctx[0], alignmask + 1) + bs; + u8 *prev = shash_desc_ctx(pdesc); - ctx->len = 0; memset(prev, 0, bs); - return 0; } @@ -86,81 +68,37 @@ static int crypto_xcbc_digest_update(struct shash_desc *pdesc, const u8 *p, unsigned int len) { struct crypto_shash *parent = pdesc->tfm; - unsigned long alignmask = crypto_shash_alignmask(parent); struct xcbc_tfm_ctx *tctx = crypto_shash_ctx(parent); - struct xcbc_desc_ctx *ctx = shash_desc_ctx(pdesc); struct crypto_cipher *tfm = tctx->child; int bs = crypto_shash_blocksize(parent); - u8 *odds = PTR_ALIGN(&ctx->ctx[0], alignmask + 1); - u8 *prev = odds + bs; - - /* checking the data can fill the block */ - if ((ctx->len + len) <= bs) { - memcpy(odds + ctx->len, p, len); - ctx->len += len; - return 0; - } - - /* filling odds with new data and encrypting it */ - memcpy(odds + ctx->len, p, bs - ctx->len); - len -= bs - ctx->len; - p += bs - ctx->len; - - crypto_xor(prev, odds, bs); - crypto_cipher_encrypt_one(tfm, prev, prev); - - /* clearing the length */ - ctx->len = 0; + u8 *prev = shash_desc_ctx(pdesc); - /* encrypting the rest of data */ - while (len > bs) { + do { crypto_xor(prev, p, bs); crypto_cipher_encrypt_one(tfm, prev, prev); p += bs; len -= bs; - } - - /* keeping the surplus of blocksize */ - if (len) { - memcpy(odds, p, len); - ctx->len = len; - } - - return 0; + } while (len >= bs); + return len; } -static int crypto_xcbc_digest_final(struct shash_desc *pdesc, u8 *out) +static int crypto_xcbc_digest_finup(struct shash_desc *pdesc, const u8 *src, + unsigned int len, u8 *out) { struct crypto_shash *parent = pdesc->tfm; - unsigned long alignmask = crypto_shash_alignmask(parent); struct xcbc_tfm_ctx *tctx = crypto_shash_ctx(parent); - struct xcbc_desc_ctx *ctx = shash_desc_ctx(pdesc); struct crypto_cipher *tfm = tctx->child; int bs = crypto_shash_blocksize(parent); - u8 *consts = PTR_ALIGN(&tctx->ctx[0], alignmask + 1); - u8 *odds = PTR_ALIGN(&ctx->ctx[0], alignmask + 1); - u8 *prev = odds + bs; + u8 *prev = shash_desc_ctx(pdesc); unsigned int offset = 0; - if (ctx->len != bs) { - unsigned int rlen; - u8 *p = odds + ctx->len; - - *p = 0x80; - p++; - - rlen = bs - ctx->len -1; - if (rlen) - memset(p, 0, rlen); - + crypto_xor(prev, src, len); + if (len != bs) { + prev[len] ^= 0x80; offset += bs; } - - crypto_xor(prev, odds, bs); - crypto_xor(prev, consts + offset, bs); - + crypto_xor(prev, &tctx->consts[offset], bs); crypto_cipher_encrypt_one(tfm, out, prev); - return 0; } @@ -191,7 +129,6 @@ static int xcbc_create(struct crypto_template *tmpl, struct rtattr **tb) struct shash_instance *inst; struct crypto_cipher_spawn *spawn; struct crypto_alg *alg; - unsigned long alignmask; u32 mask; int err; @@ -218,27 +155,22 @@ static int xcbc_create(struct crypto_template *tmpl, struct rtattr **tb) if (err) goto err_free_inst; - alignmask = alg->cra_alignmask | 3; - inst->alg.base.cra_alignmask = alignmask; inst->alg.base.cra_priority = alg->cra_priority; inst->alg.base.cra_blocksize = alg->cra_blocksize; + inst->alg.base.cra_ctxsize = sizeof(struct xcbc_tfm_ctx) + + alg->cra_blocksize * 2; + inst->alg.base.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY | + CRYPTO_AHASH_ALG_FINAL_NONZERO; inst->alg.digestsize = alg->cra_blocksize; - inst->alg.descsize = ALIGN(sizeof(struct xcbc_desc_ctx), - crypto_tfm_ctx_alignment()) + - (alignmask & - ~(crypto_tfm_ctx_alignment() - 1)) + - alg->cra_blocksize * 2; - - inst->alg.base.cra_ctxsize = ALIGN(sizeof(struct xcbc_tfm_ctx), - alignmask + 1) + - alg->cra_blocksize * 2; + inst->alg.descsize = alg->cra_blocksize; + inst->alg.base.cra_init = xcbc_init_tfm; inst->alg.base.cra_exit = xcbc_exit_tfm; inst->alg.init = crypto_xcbc_digest_init; inst->alg.update = crypto_xcbc_digest_update; - inst->alg.final = crypto_xcbc_digest_final; + inst->alg.finup = crypto_xcbc_digest_finup; inst->alg.setkey = crypto_xcbc_digest_setkey; inst->free = shash_free_singlespawn_instance; @@ -267,10 +199,10 @@ static void __exit crypto_xcbc_module_exit(void) crypto_unregister_template(&crypto_xcbc_tmpl); } -subsys_initcall(crypto_xcbc_module_init); +module_init(crypto_xcbc_module_init); module_exit(crypto_xcbc_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("XCBC keyed hash algorithm"); MODULE_ALIAS_CRYPTO("xcbc"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/xctr.c b/crypto/xctr.c index 5c00147e8ec4..607ab82cb19b 100644 --- a/crypto/xctr.c +++ b/crypto/xctr.c @@ -78,7 +78,7 @@ static int crypto_xctr_crypt_inplace(struct skcipher_walk *walk, crypto_cipher_alg(tfm)->cia_encrypt; unsigned long alignmask = crypto_cipher_alignmask(tfm); unsigned int nbytes = walk->nbytes; - u8 *data = walk->src.virt.addr; + u8 *data = walk->dst.virt.addr; u8 tmp[XCTR_BLOCKSIZE + MAX_CIPHER_ALIGNMASK]; u8 *keystream = PTR_ALIGN(tmp + 0, alignmask + 1); __le32 ctr32 = cpu_to_le32(byte_ctr / XCTR_BLOCKSIZE + 1); @@ -182,10 +182,10 @@ static void __exit crypto_xctr_module_exit(void) crypto_unregister_template(&crypto_xctr_tmpl); } -subsys_initcall(crypto_xctr_module_init); +module_init(crypto_xctr_module_init); module_exit(crypto_xctr_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("XCTR block cipher mode of operation"); MODULE_ALIAS_CRYPTO("xctr"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); diff --git a/crypto/xor.c b/crypto/xor.c index 8e72e5d5db0d..f39621a57bb3 100644 --- a/crypto/xor.c +++ b/crypto/xor.c @@ -83,33 +83,30 @@ static void __init do_xor_speed(struct xor_block_template *tmpl, void *b1, void *b2) { int speed; - int i, j; - ktime_t min, start, diff; + unsigned long reps; + ktime_t min, start, t0; tmpl->next = template_list; template_list = tmpl; preempt_disable(); - min = (ktime_t)S64_MAX; - for (i = 0; i < 3; i++) { - start = ktime_get(); - for (j = 0; j < REPS; j++) { - mb(); /* prevent loop optimization */ - tmpl->do_2(BENCH_SIZE, b1, b2); - mb(); - } - diff = ktime_sub(ktime_get(), start); - if (diff < min) - min = diff; - } + reps = 0; + t0 = ktime_get(); + /* delay start until time has advanced */ + while ((start = ktime_get()) == t0) + cpu_relax(); + do { + mb(); /* prevent loop optimization */ + tmpl->do_2(BENCH_SIZE, b1, b2); + mb(); + } while (reps++ < REPS || (t0 = ktime_get()) == start); + min = ktime_sub(t0, start); preempt_enable(); // bytes/ns == GB/s, multiply by 1000 to get MB/s [not MiB/s] - if (!min) - min = 1; - speed = (1000 * REPS * BENCH_SIZE) / (unsigned int)ktime_to_ns(min); + speed = (1000 * reps * BENCH_SIZE) / (unsigned int)ktime_to_ns(min); tmpl->speed = speed; pr_info(" %-16s: %5d MB/sec\n", tmpl->name, speed); @@ -165,6 +162,7 @@ out: static __exit void xor_exit(void) { } +MODULE_DESCRIPTION("RAID-5 checksumming functions"); MODULE_LICENSE("GPL"); #ifndef MODULE diff --git a/crypto/xts.c b/crypto/xts.c index 09be909a6a1a..3da8f5e053d6 100644 --- a/crypto/xts.c +++ b/crypto/xts.c @@ -28,7 +28,7 @@ struct xts_tfm_ctx { struct xts_instance_ctx { struct crypto_skcipher_spawn spawn; - char name[CRYPTO_MAX_ALG_NAME]; + struct crypto_cipher_spawn tweak_spawn; }; struct xts_request_ctx { @@ -99,7 +99,7 @@ static int xts_xor_tweak(struct skcipher_request *req, bool second_pass, while (w.nbytes) { unsigned int avail = w.nbytes; - le128 *wsrc; + const le128 *wsrc; le128 *wdst; wsrc = w.src.virt.addr; @@ -306,7 +306,7 @@ static int xts_init_tfm(struct crypto_skcipher *tfm) ctx->child = child; - tweak = crypto_alloc_cipher(ictx->name, 0, 0); + tweak = crypto_spawn_cipher(&ictx->tweak_spawn); if (IS_ERR(tweak)) { crypto_free_skcipher(ctx->child); return PTR_ERR(tweak); @@ -333,14 +333,16 @@ static void xts_free_instance(struct skcipher_instance *inst) struct xts_instance_ctx *ictx = skcipher_instance_ctx(inst); crypto_drop_skcipher(&ictx->spawn); + crypto_drop_cipher(&ictx->tweak_spawn); kfree(inst); } static int xts_create(struct crypto_template *tmpl, struct rtattr **tb) { + struct skcipher_alg_common *alg; + char name[CRYPTO_MAX_ALG_NAME]; struct skcipher_instance *inst; struct xts_instance_ctx *ctx; - struct skcipher_alg *alg; const char *cipher_name; u32 mask; int err; @@ -361,27 +363,27 @@ static int xts_create(struct crypto_template *tmpl, struct rtattr **tb) err = crypto_grab_skcipher(&ctx->spawn, skcipher_crypto_instance(inst), cipher_name, 0, mask); - if (err == -ENOENT) { + if (err == -ENOENT && memcmp(cipher_name, "ecb(", 4)) { err = -ENAMETOOLONG; - if (snprintf(ctx->name, CRYPTO_MAX_ALG_NAME, "ecb(%s)", + if (snprintf(name, CRYPTO_MAX_ALG_NAME, "ecb(%s)", cipher_name) >= CRYPTO_MAX_ALG_NAME) goto err_free_inst; err = crypto_grab_skcipher(&ctx->spawn, skcipher_crypto_instance(inst), - ctx->name, 0, mask); + name, 0, mask); } if (err) goto err_free_inst; - alg = crypto_skcipher_spawn_alg(&ctx->spawn); + alg = crypto_spawn_skcipher_alg_common(&ctx->spawn); err = -EINVAL; if (alg->base.cra_blocksize != XTS_BLOCK_SIZE) goto err_free_inst; - if (crypto_skcipher_alg_ivsize(alg)) + if (alg->ivsize) goto err_free_inst; err = crypto_inst_setname(skcipher_crypto_instance(inst), "xts", @@ -395,34 +397,39 @@ static int xts_create(struct crypto_template *tmpl, struct rtattr **tb) /* Alas we screwed up the naming so we have to mangle the * cipher name. */ - if (!strncmp(cipher_name, "ecb(", 4)) { - unsigned len; + if (!memcmp(cipher_name, "ecb(", 4)) { + int len; - len = strlcpy(ctx->name, cipher_name + 4, sizeof(ctx->name)); - if (len < 2 || len >= sizeof(ctx->name)) + len = strscpy(name, cipher_name + 4, sizeof(name)); + if (len < 2) goto err_free_inst; - if (ctx->name[len - 1] != ')') + if (name[len - 1] != ')') goto err_free_inst; - ctx->name[len - 1] = 0; + name[len - 1] = 0; if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, - "xts(%s)", ctx->name) >= CRYPTO_MAX_ALG_NAME) { + "xts(%s)", name) >= CRYPTO_MAX_ALG_NAME) { err = -ENAMETOOLONG; goto err_free_inst; } } else goto err_free_inst; + err = crypto_grab_cipher(&ctx->tweak_spawn, + skcipher_crypto_instance(inst), name, 0, mask); + if (err) + goto err_free_inst; + inst->alg.base.cra_priority = alg->base.cra_priority; inst->alg.base.cra_blocksize = XTS_BLOCK_SIZE; inst->alg.base.cra_alignmask = alg->base.cra_alignmask | (__alignof__(u64) - 1); inst->alg.ivsize = XTS_BLOCK_SIZE; - inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(alg) * 2; - inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(alg) * 2; + inst->alg.min_keysize = alg->min_keysize * 2; + inst->alg.max_keysize = alg->max_keysize * 2; inst->alg.base.cra_ctxsize = sizeof(struct xts_tfm_ctx); @@ -459,11 +466,11 @@ static void __exit xts_module_exit(void) crypto_unregister_template(&xts_tmpl); } -subsys_initcall(xts_module_init); +module_init(xts_module_init); module_exit(xts_module_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("XTS block cipher mode"); MODULE_ALIAS_CRYPTO("xts"); -MODULE_IMPORT_NS(CRYPTO_INTERNAL); +MODULE_IMPORT_NS("CRYPTO_INTERNAL"); MODULE_SOFTDEP("pre: ecb"); diff --git a/crypto/xxhash_generic.c b/crypto/xxhash_generic.c index 55d1c8a76127..175bb7ae0fcd 100644 --- a/crypto/xxhash_generic.c +++ b/crypto/xxhash_generic.c @@ -4,7 +4,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/xxhash.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #define XXHASH64_BLOCK_SIZE 32 #define XXHASH64_DIGEST_SIZE 8 @@ -96,7 +96,7 @@ static void __exit xxhash_mod_fini(void) crypto_unregister_shash(&alg); } -subsys_initcall(xxhash_mod_init); +module_init(xxhash_mod_init); module_exit(xxhash_mod_fini); MODULE_AUTHOR("Nikolay Borisov <nborisov@suse.com>"); diff --git a/crypto/zstd.c b/crypto/zstd.c index 154a969c83a8..cbbd0413751a 100644 --- a/crypto/zstd.c +++ b/crypto/zstd.c @@ -10,247 +10,304 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/net.h> +#include <linux/overflow.h> #include <linux/vmalloc.h> #include <linux/zstd.h> -#include <crypto/internal/scompress.h> +#include <crypto/internal/acompress.h> +#include <crypto/scatterwalk.h> -#define ZSTD_DEF_LEVEL 3 +#define ZSTD_DEF_LEVEL 3 +#define ZSTD_MAX_WINDOWLOG 18 +#define ZSTD_MAX_SIZE BIT(ZSTD_MAX_WINDOWLOG) struct zstd_ctx { zstd_cctx *cctx; zstd_dctx *dctx; - void *cwksp; - void *dwksp; + size_t wksp_size; + zstd_parameters params; + u8 wksp[] __aligned(8) __counted_by(wksp_size); }; -static zstd_parameters zstd_params(void) -{ - return zstd_get_params(ZSTD_DEF_LEVEL, 0); -} - -static int zstd_comp_init(struct zstd_ctx *ctx) -{ - int ret = 0; - const zstd_parameters params = zstd_params(); - const size_t wksp_size = zstd_cctx_workspace_bound(¶ms.cParams); - - ctx->cwksp = vzalloc(wksp_size); - if (!ctx->cwksp) { - ret = -ENOMEM; - goto out; - } - - ctx->cctx = zstd_init_cctx(ctx->cwksp, wksp_size); - if (!ctx->cctx) { - ret = -EINVAL; - goto out_free; - } -out: - return ret; -out_free: - vfree(ctx->cwksp); - goto out; -} +static DEFINE_MUTEX(zstd_stream_lock); -static int zstd_decomp_init(struct zstd_ctx *ctx) +static void *zstd_alloc_stream(void) { - int ret = 0; - const size_t wksp_size = zstd_dctx_workspace_bound(); - - ctx->dwksp = vzalloc(wksp_size); - if (!ctx->dwksp) { - ret = -ENOMEM; - goto out; - } - - ctx->dctx = zstd_init_dctx(ctx->dwksp, wksp_size); - if (!ctx->dctx) { - ret = -EINVAL; - goto out_free; - } -out: - return ret; -out_free: - vfree(ctx->dwksp); - goto out; -} + zstd_parameters params; + struct zstd_ctx *ctx; + size_t wksp_size; -static void zstd_comp_exit(struct zstd_ctx *ctx) -{ - vfree(ctx->cwksp); - ctx->cwksp = NULL; - ctx->cctx = NULL; -} + params = zstd_get_params(ZSTD_DEF_LEVEL, ZSTD_MAX_SIZE); -static void zstd_decomp_exit(struct zstd_ctx *ctx) -{ - vfree(ctx->dwksp); - ctx->dwksp = NULL; - ctx->dctx = NULL; -} - -static int __zstd_init(void *ctx) -{ - int ret; - - ret = zstd_comp_init(ctx); - if (ret) - return ret; - ret = zstd_decomp_init(ctx); - if (ret) - zstd_comp_exit(ctx); - return ret; -} + wksp_size = max(zstd_cstream_workspace_bound(¶ms.cParams), + zstd_dstream_workspace_bound(ZSTD_MAX_SIZE)); + if (!wksp_size) + return ERR_PTR(-EINVAL); -static void *zstd_alloc_ctx(struct crypto_scomp *tfm) -{ - int ret; - struct zstd_ctx *ctx; - - ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + ctx = kvmalloc(struct_size(ctx, wksp, wksp_size), GFP_KERNEL); if (!ctx) return ERR_PTR(-ENOMEM); - ret = __zstd_init(ctx); - if (ret) { - kfree(ctx); - return ERR_PTR(ret); - } + ctx->params = params; + ctx->wksp_size = wksp_size; return ctx; } -static int zstd_init(struct crypto_tfm *tfm) +static void zstd_free_stream(void *ctx) { - struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); - - return __zstd_init(ctx); + kvfree(ctx); } -static void __zstd_exit(void *ctx) -{ - zstd_comp_exit(ctx); - zstd_decomp_exit(ctx); -} +static struct crypto_acomp_streams zstd_streams = { + .alloc_ctx = zstd_alloc_stream, + .free_ctx = zstd_free_stream, +}; -static void zstd_free_ctx(struct crypto_scomp *tfm, void *ctx) +static int zstd_init(struct crypto_acomp *acomp_tfm) { - __zstd_exit(ctx); - kfree_sensitive(ctx); -} + int ret = 0; -static void zstd_exit(struct crypto_tfm *tfm) -{ - struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); + mutex_lock(&zstd_stream_lock); + ret = crypto_acomp_alloc_streams(&zstd_streams); + mutex_unlock(&zstd_stream_lock); - __zstd_exit(ctx); + return ret; } -static int __zstd_compress(const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen, void *ctx) +static int zstd_compress_one(struct acomp_req *req, struct zstd_ctx *ctx, + const void *src, void *dst, unsigned int *dlen) { size_t out_len; - struct zstd_ctx *zctx = ctx; - const zstd_parameters params = zstd_params(); - out_len = zstd_compress_cctx(zctx->cctx, dst, *dlen, src, slen, ¶ms); + ctx->cctx = zstd_init_cctx(ctx->wksp, ctx->wksp_size); + if (!ctx->cctx) + return -EINVAL; + + out_len = zstd_compress_cctx(ctx->cctx, dst, req->dlen, src, req->slen, + &ctx->params); if (zstd_is_error(out_len)) return -EINVAL; + *dlen = out_len; + return 0; } -static int zstd_compress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) +static int zstd_compress(struct acomp_req *req) { - struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); + struct crypto_acomp_stream *s; + unsigned int pos, scur, dcur; + unsigned int total_out = 0; + bool data_available = true; + zstd_out_buffer outbuf; + struct acomp_walk walk; + zstd_in_buffer inbuf; + struct zstd_ctx *ctx; + size_t pending_bytes; + size_t num_bytes; + int ret; - return __zstd_compress(src, slen, dst, dlen, ctx); -} + s = crypto_acomp_lock_stream_bh(&zstd_streams); + ctx = s->ctx; -static int zstd_scompress(struct crypto_scomp *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen, - void *ctx) -{ - return __zstd_compress(src, slen, dst, dlen, ctx); + ret = acomp_walk_virt(&walk, req, true); + if (ret) + goto out; + + ctx->cctx = zstd_init_cstream(&ctx->params, 0, ctx->wksp, ctx->wksp_size); + if (!ctx->cctx) { + ret = -EINVAL; + goto out; + } + + do { + dcur = acomp_walk_next_dst(&walk); + if (!dcur) { + ret = -ENOSPC; + goto out; + } + + outbuf.pos = 0; + outbuf.dst = (u8 *)walk.dst.virt.addr; + outbuf.size = dcur; + + do { + scur = acomp_walk_next_src(&walk); + if (dcur == req->dlen && scur == req->slen) { + ret = zstd_compress_one(req, ctx, walk.src.virt.addr, + walk.dst.virt.addr, &total_out); + acomp_walk_done_src(&walk, scur); + acomp_walk_done_dst(&walk, dcur); + goto out; + } + + if (scur) { + inbuf.pos = 0; + inbuf.src = walk.src.virt.addr; + inbuf.size = scur; + } else { + data_available = false; + break; + } + + num_bytes = zstd_compress_stream(ctx->cctx, &outbuf, &inbuf); + if (ZSTD_isError(num_bytes)) { + ret = -EIO; + goto out; + } + + pending_bytes = zstd_flush_stream(ctx->cctx, &outbuf); + if (ZSTD_isError(pending_bytes)) { + ret = -EIO; + goto out; + } + acomp_walk_done_src(&walk, inbuf.pos); + } while (dcur != outbuf.pos); + + total_out += outbuf.pos; + acomp_walk_done_dst(&walk, dcur); + } while (data_available); + + pos = outbuf.pos; + num_bytes = zstd_end_stream(ctx->cctx, &outbuf); + if (ZSTD_isError(num_bytes)) + ret = -EIO; + else + total_out += (outbuf.pos - pos); + +out: + if (ret) + req->dlen = 0; + else + req->dlen = total_out; + + crypto_acomp_unlock_stream_bh(s); + + return ret; } -static int __zstd_decompress(const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen, void *ctx) +static int zstd_decompress_one(struct acomp_req *req, struct zstd_ctx *ctx, + const void *src, void *dst, unsigned int *dlen) { size_t out_len; - struct zstd_ctx *zctx = ctx; - out_len = zstd_decompress_dctx(zctx->dctx, dst, *dlen, src, slen); + ctx->dctx = zstd_init_dctx(ctx->wksp, ctx->wksp_size); + if (!ctx->dctx) + return -EINVAL; + + out_len = zstd_decompress_dctx(ctx->dctx, dst, req->dlen, src, req->slen); if (zstd_is_error(out_len)) return -EINVAL; + *dlen = out_len; + return 0; } -static int zstd_decompress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) +static int zstd_decompress(struct acomp_req *req) { - struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); - - return __zstd_decompress(src, slen, dst, dlen, ctx); -} + struct crypto_acomp_stream *s; + unsigned int total_out = 0; + unsigned int scur, dcur; + zstd_out_buffer outbuf; + struct acomp_walk walk; + zstd_in_buffer inbuf; + struct zstd_ctx *ctx; + size_t pending_bytes; + int ret; -static int zstd_sdecompress(struct crypto_scomp *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen, - void *ctx) -{ - return __zstd_decompress(src, slen, dst, dlen, ctx); -} + s = crypto_acomp_lock_stream_bh(&zstd_streams); + ctx = s->ctx; -static struct crypto_alg alg = { - .cra_name = "zstd", - .cra_driver_name = "zstd-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct zstd_ctx), - .cra_module = THIS_MODULE, - .cra_init = zstd_init, - .cra_exit = zstd_exit, - .cra_u = { .compress = { - .coa_compress = zstd_compress, - .coa_decompress = zstd_decompress } } -}; + ret = acomp_walk_virt(&walk, req, true); + if (ret) + goto out; -static struct scomp_alg scomp = { - .alloc_ctx = zstd_alloc_ctx, - .free_ctx = zstd_free_ctx, - .compress = zstd_scompress, - .decompress = zstd_sdecompress, - .base = { - .cra_name = "zstd", - .cra_driver_name = "zstd-scomp", - .cra_module = THIS_MODULE, + ctx->dctx = zstd_init_dstream(ZSTD_MAX_SIZE, ctx->wksp, ctx->wksp_size); + if (!ctx->dctx) { + ret = -EINVAL; + goto out; } -}; -static int __init zstd_mod_init(void) -{ - int ret; + do { + scur = acomp_walk_next_src(&walk); + if (scur) { + inbuf.pos = 0; + inbuf.size = scur; + inbuf.src = walk.src.virt.addr; + } else { + break; + } + + do { + dcur = acomp_walk_next_dst(&walk); + if (dcur == req->dlen && scur == req->slen) { + ret = zstd_decompress_one(req, ctx, walk.src.virt.addr, + walk.dst.virt.addr, &total_out); + acomp_walk_done_dst(&walk, dcur); + acomp_walk_done_src(&walk, scur); + goto out; + } + + if (!dcur) { + ret = -ENOSPC; + goto out; + } + + outbuf.pos = 0; + outbuf.dst = (u8 *)walk.dst.virt.addr; + outbuf.size = dcur; + + pending_bytes = zstd_decompress_stream(ctx->dctx, &outbuf, &inbuf); + if (ZSTD_isError(pending_bytes)) { + ret = -EIO; + goto out; + } + + total_out += outbuf.pos; + + acomp_walk_done_dst(&walk, outbuf.pos); + } while (inbuf.pos != scur); + + acomp_walk_done_src(&walk, scur); + } while (ret == 0); - ret = crypto_register_alg(&alg); +out: if (ret) - return ret; + req->dlen = 0; + else + req->dlen = total_out; - ret = crypto_register_scomp(&scomp); - if (ret) - crypto_unregister_alg(&alg); + crypto_acomp_unlock_stream_bh(s); return ret; } +static struct acomp_alg zstd_acomp = { + .base = { + .cra_name = "zstd", + .cra_driver_name = "zstd-generic", + .cra_flags = CRYPTO_ALG_REQ_VIRT, + .cra_module = THIS_MODULE, + }, + .init = zstd_init, + .compress = zstd_compress, + .decompress = zstd_decompress, +}; + +static int __init zstd_mod_init(void) +{ + return crypto_register_acomp(&zstd_acomp); +} + static void __exit zstd_mod_fini(void) { - crypto_unregister_alg(&alg); - crypto_unregister_scomp(&scomp); + crypto_unregister_acomp(&zstd_acomp); + crypto_acomp_free_streams(&zstd_streams); } -subsys_initcall(zstd_mod_init); +module_init(zstd_mod_init); module_exit(zstd_mod_fini); MODULE_LICENSE("GPL"); |