diff options
Diffstat (limited to 'crypto/Kconfig')
| -rw-r--r-- | crypto/Kconfig | 2006 |
1 files changed, 1027 insertions, 979 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 69ce573f1224..2e5b195b1b06 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Generic algorithms support # @@ -14,22 +15,45 @@ source "crypto/async_tx/Kconfig" # menuconfig CRYPTO tristate "Cryptographic API" + select CRYPTO_LIB_UTILS help This option provides the core Cryptographic API. if CRYPTO -comment "Crypto core or helper" +menu "Crypto core or helper" config CRYPTO_FIPS bool "FIPS 200 compliance" - depends on CRYPTO_ANSI_CPRNG && !CRYPTO_MANAGER_DISABLE_TESTS + depends on CRYPTO_DRBG && CRYPTO_SELFTESTS + depends on (MODULE_SIG || !MODULES) help - This options enables the fips boot option which is - required if you want to system to operate in a FIPS 200 + This option enables the fips boot option which is + required if you want the system to operate in a FIPS 200 certification. You should say no unless you know what this is. +config CRYPTO_FIPS_NAME + string "FIPS Module Name" + default "Linux Kernel Cryptographic API" + depends on CRYPTO_FIPS + help + This option sets the FIPS Module name reported by the Crypto API via + the /proc/sys/crypto/fips_name file. + +config CRYPTO_FIPS_CUSTOM_VERSION + bool "Use Custom FIPS Module Version" + depends on CRYPTO_FIPS + default n + +config CRYPTO_FIPS_VERSION + string "FIPS Module Version" + default "(none)" + depends on CRYPTO_FIPS_CUSTOM_VERSION + help + This option provides the ability to override the FIPS Module Version. + By default the KERNELRELEASE value is used. + config CRYPTO_ALGAPI tristate select CRYPTO_ALGAPI2 @@ -48,16 +72,24 @@ config CRYPTO_AEAD2 tristate select CRYPTO_ALGAPI2 -config CRYPTO_BLKCIPHER +config CRYPTO_SIG tristate - select CRYPTO_BLKCIPHER2 + select CRYPTO_SIG2 select CRYPTO_ALGAPI -config CRYPTO_BLKCIPHER2 +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 - select CRYPTO_WORKQUEUE config CRYPTO_HASH tristate @@ -77,28 +109,62 @@ config CRYPTO_RNG2 tristate select CRYPTO_ALGAPI2 -config CRYPTO_PCOMP +config CRYPTO_RNG_DEFAULT + tristate + select CRYPTO_DRBG_MENU + +config CRYPTO_AKCIPHER2 + tristate + select CRYPTO_ALGAPI2 + +config CRYPTO_AKCIPHER + tristate + select CRYPTO_AKCIPHER2 + select CRYPTO_ALGAPI + +config CRYPTO_KPP2 + tristate + select CRYPTO_ALGAPI2 + +config CRYPTO_KPP tristate - select CRYPTO_PCOMP2 select CRYPTO_ALGAPI + select CRYPTO_KPP2 -config CRYPTO_PCOMP2 +config CRYPTO_ACOMP2 tristate select CRYPTO_ALGAPI2 + select SGL_ALLOC + +config CRYPTO_ACOMP + tristate + 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_AKCIPHER2 + select CRYPTO_SIG2 select CRYPTO_HASH2 - select CRYPTO_BLKCIPHER2 - select CRYPTO_PCOMP2 + select CRYPTO_KPP2 + select CRYPTO_RNG2 + select CRYPTO_SKCIPHER2 config CRYPTO_USER tristate "Userspace cryptographic algorithm configuration" @@ -108,27 +174,40 @@ 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 - depends on CRYPTO_MANAGER2 +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. + + - 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_GF128MUL - tristate "GF(2^128) multiplication functions" +config CRYPTO_SELFTESTS_FULL + bool "Enable the full set of cryptographic self-tests" + depends on CRYPTO_SELFTESTS help - Efficient table driven implementation of multiplications in the - field GF(2^128). This is needed by some cypher modes. This - option will be selected automatically if you select such a - cipher mode. Only select this option by hand if you expect to load - an external module that requires these functions. + 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. + + All crypto code in the kernel is expected to pass the full tests. config CRYPTO_NULL tristate "Null algorithms" select CRYPTO_ALGAPI - select CRYPTO_BLKCIPHER + select CRYPTO_SKCIPHER select CRYPTO_HASH help These are 'Null' algorithms, used by IPsec, which do nothing. @@ -143,15 +222,11 @@ config CRYPTO_PCRYPT This converts an arbitrary crypto algorithm into a parallel algorithm that executes in kernel threads. -config CRYPTO_WORKQUEUE - tristate - config CRYPTO_CRYPTD tristate "Software async crypto daemon" - select CRYPTO_BLKCIPHER + select CRYPTO_SKCIPHER select CRYPTO_HASH select CRYPTO_MANAGER - select CRYPTO_WORKQUEUE help This is a generic software asynchronous crypto daemon that converts an arbitrary synchronous software crypto algorithm @@ -160,1233 +235,1206 @@ config CRYPTO_CRYPTD config CRYPTO_AUTHENC tristate "Authenc support" select CRYPTO_AEAD - select CRYPTO_BLKCIPHER + select CRYPTO_SKCIPHER select CRYPTO_MANAGER select CRYPTO_HASH help Authenc: Combined mode wrapper for IPsec. - This is required for IPSec. -config CRYPTO_TEST - tristate "Testing module" - depends on m - select CRYPTO_MANAGER - help - Quick & dirty crypto test module. + This is required for IPSec ESP (XFRM_ESP). -config CRYPTO_ABLK_HELPER_X86 - tristate - depends on X86 - select CRYPTO_CRYPTD - -config CRYPTO_GLUE_HELPER_X86 - tristate - depends on X86 - select CRYPTO_ALGAPI - -comment "Authenticated Encryption with Associated Data" - -config CRYPTO_CCM - tristate "CCM support" - select CRYPTO_CTR +config CRYPTO_KRB5ENC + tristate "Kerberos 5 combined hash+cipher support" select CRYPTO_AEAD - help - Support for Counter with CBC MAC. Required for IPsec. - -config CRYPTO_GCM - tristate "GCM/GMAC support" - select CRYPTO_CTR - select CRYPTO_AEAD - select CRYPTO_GHASH - select CRYPTO_NULL - help - Support for Galois/Counter Mode (GCM) and Galois Message - Authentication Code (GMAC). Required for IPSec. - -config CRYPTO_SEQIV - tristate "Sequence Number IV Generator" - select CRYPTO_AEAD - select CRYPTO_BLKCIPHER - select CRYPTO_RNG - help - This IV generator generates an IV based on a sequence number by - xoring it with a salt. This algorithm is mainly useful for CTR - -comment "Block modes" - -config CRYPTO_CBC - tristate "CBC support" - select CRYPTO_BLKCIPHER - select CRYPTO_MANAGER - help - CBC: Cipher Block Chaining mode - This block cipher algorithm is required for IPSec. - -config CRYPTO_CTR - tristate "CTR support" - select CRYPTO_BLKCIPHER - select CRYPTO_SEQIV - select CRYPTO_MANAGER - help - CTR: Counter mode - This block cipher algorithm is required for IPSec. - -config CRYPTO_CTS - tristate "CTS support" - select CRYPTO_BLKCIPHER - help - CTS: Cipher Text Stealing - This is the Cipher Text Stealing mode as described by - Section 8 of rfc2040 and referenced by rfc3962. - (rfc3962 includes errata information in its Appendix A) - This mode is required for Kerberos gss mechanism support - for AES encryption. - -config CRYPTO_ECB - tristate "ECB support" - select CRYPTO_BLKCIPHER - select CRYPTO_MANAGER - help - ECB: Electronic CodeBook mode - This is the simplest block cipher algorithm. It simply encrypts - the input block by block. - -config CRYPTO_LRW - tristate "LRW support" - select CRYPTO_BLKCIPHER + select CRYPTO_SKCIPHER select CRYPTO_MANAGER - select CRYPTO_GF128MUL + select CRYPTO_HASH help - LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable - narrow block cipher mode for dm-crypt. Use it with cipher - specification string aes-lrw-benbi, the key must be 256, 320 or 384. - The first 128, 192 or 256 bits in the key are used for AES and the - rest is used to tie each cipher block to its logical position. + 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_PCBC - tristate "PCBC support" - select CRYPTO_BLKCIPHER +config CRYPTO_BENCHMARK + tristate "Crypto benchmarking module" + depends on m || EXPERT select CRYPTO_MANAGER help - PCBC: Propagating Cipher Block Chaining mode - This block cipher algorithm is required for RxRPC. + Quick & dirty crypto benchmarking module. -config CRYPTO_XTS - tristate "XTS support" - select CRYPTO_BLKCIPHER - select CRYPTO_MANAGER - select CRYPTO_GF128MUL - help - XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, - key size 256, 384 or 512 bits. This implementation currently - can't handle a sectorsize which is not a multiple of 16 bytes. + This is mainly intended for use by people developing cryptographic + algorithms in the kernel. It should not be enabled in production + kernels. -comment "Hash modes" - -config CRYPTO_CMAC - tristate "CMAC support" - select CRYPTO_HASH - select CRYPTO_MANAGER - help - Cipher-based Message Authentication Code (CMAC) specified by - The National Institute of Standards and Technology (NIST). +config CRYPTO_SIMD + tristate + select CRYPTO_CRYPTD - https://tools.ietf.org/html/rfc4493 - http://csrc.nist.gov/publications/nistpubs/800-38B/SP_800-38B.pdf +config CRYPTO_ENGINE + tristate -config CRYPTO_HMAC - tristate "HMAC support" - select CRYPTO_HASH - select CRYPTO_MANAGER - help - HMAC: Keyed-Hashing for Message Authentication (RFC2104). - This is required for IPSec. +endmenu -config CRYPTO_XCBC - tristate "XCBC support" - select CRYPTO_HASH - select CRYPTO_MANAGER - help - XCBC: Keyed-Hashing with encryption algorithm - http://www.ietf.org/rfc/rfc3566.txt - http://csrc.nist.gov/encryption/modes/proposedmodes/ - xcbc-mac/xcbc-mac-spec.pdf +menu "Public-key cryptography" -config CRYPTO_VMAC - tristate "VMAC support" - select CRYPTO_HASH +config CRYPTO_RSA + tristate "RSA (Rivest-Shamir-Adleman)" + select CRYPTO_AKCIPHER select CRYPTO_MANAGER + select CRYPTO_SIG + select MPILIB + select ASN1 help - VMAC is a message authentication algorithm designed for - very high speed on 64-bit architectures. - - See also: - <http://fastcrypto.org/vmac> - -comment "Digest" + RSA (Rivest-Shamir-Adleman) public key algorithm (RFC8017) -config CRYPTO_CRC32C - tristate "CRC32c CRC algorithm" - select CRYPTO_HASH - select CRC32 +config CRYPTO_DH + tristate "DH (Diffie-Hellman)" + select CRYPTO_KPP + select MPILIB help - Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used - by iSCSI for header and data digests and by others. - See Castagnoli93. Module will be crc32c. + DH (Diffie-Hellman) key exchange algorithm -config CRYPTO_CRC32C_INTEL - tristate "CRC32c INTEL hardware acceleration" - depends on X86 - select CRYPTO_HASH +config CRYPTO_DH_RFC7919_GROUPS + bool "RFC 7919 FFDHE groups" + depends on CRYPTO_DH + select CRYPTO_RNG_DEFAULT help - In Intel processor with SSE4.2 supported, the processor will - support CRC32C implementation using hardware accelerated CRC32 - instruction. This option will create 'crc32c-intel' module, - which will enable any routine to use the CRC32 instruction to - gain performance compared with software implementation. - Module will be crc32c-intel. + FFDHE (Finite-Field-based Diffie-Hellman Ephemeral) groups + defined in RFC7919. -config CRYPTO_CRC32C_SPARC64 - tristate "CRC32c CRC algorithm (SPARC64)" - depends on SPARC64 - select CRYPTO_HASH - select CRC32 - help - CRC32c CRC algorithm implemented using sparc64 crypto instructions, - when available. + Support these finite-field groups in DH key exchanges: + - ffdhe2048, ffdhe3072, ffdhe4096, ffdhe6144, ffdhe8192 -config CRYPTO_CRC32 - tristate "CRC32 CRC algorithm" - select CRYPTO_HASH - select CRC32 - help - CRC-32-IEEE 802.3 cyclic redundancy-check algorithm. - Shash crypto api wrappers to crc32_le function. + If unsure, say N. -config CRYPTO_CRC32_PCLMUL - tristate "CRC32 PCLMULQDQ hardware acceleration" - depends on X86 - select CRYPTO_HASH - select CRC32 - help - From Intel Westmere and AMD Bulldozer processor with SSE4.2 - and PCLMULQDQ supported, the processor will support - CRC32 PCLMULQDQ implementation using hardware accelerated PCLMULQDQ - instruction. This option will create 'crc32-plcmul' module, - which will enable any routine to use the CRC-32-IEEE 802.3 checksum - and gain better performance as compared with the table implementation. +config CRYPTO_ECC + tristate + select CRYPTO_RNG_DEFAULT -config CRYPTO_CRCT10DIF - tristate "CRCT10DIF algorithm" - select CRYPTO_HASH +config CRYPTO_ECDH + tristate "ECDH (Elliptic Curve Diffie-Hellman)" + select CRYPTO_ECC + select CRYPTO_KPP help - CRC T10 Data Integrity Field computation is being cast as - a crypto transform. This allows for faster crc t10 diff - transforms to be used if they are available. + ECDH (Elliptic Curve Diffie-Hellman) key exchange algorithm + using curves P-192, P-256, and P-384 (FIPS 186) -config CRYPTO_CRCT10DIF_PCLMUL - tristate "CRCT10DIF PCLMULQDQ hardware acceleration" - depends on X86 && 64BIT && CRC_T10DIF - select CRYPTO_HASH +config CRYPTO_ECDSA + tristate "ECDSA (Elliptic Curve Digital Signature Algorithm)" + select CRYPTO_ECC + select CRYPTO_SIG + select ASN1 help - For x86_64 processors with SSE4.2 and PCLMULQDQ supported, - CRC T10 DIF PCLMULQDQ computation can be hardware - accelerated PCLMULQDQ instruction. This option will create - 'crct10dif-plcmul' module, which is faster when computing the - crct10dif checksum as compared with the generic table implementation. + ECDSA (Elliptic Curve Digital Signature Algorithm) (FIPS 186, + ISO/IEC 14888-3) + using curves P-192, P-256, P-384 and P-521 -config CRYPTO_GHASH - tristate "GHASH digest algorithm" - select CRYPTO_GF128MUL - help - GHASH is message digest algorithm for GCM (Galois/Counter Mode). + Only signature verification is implemented. -config CRYPTO_MD4 - tristate "MD4 digest algorithm" - select CRYPTO_HASH +config CRYPTO_ECRDSA + tristate "EC-RDSA (Elliptic Curve Russian Digital Signature Algorithm)" + select CRYPTO_ECC + select CRYPTO_SIG + select CRYPTO_STREEBOG + select OID_REGISTRY + select ASN1 help - MD4 message digest algorithm (RFC1320). + Elliptic Curve Russian Digital Signature Algorithm (GOST R 34.10-2012, + RFC 7091, ISO/IEC 14888-3) -config CRYPTO_MD5 - tristate "MD5 digest algorithm" - select CRYPTO_HASH - help - MD5 message digest algorithm (RFC1321). + One of the Russian cryptographic standard algorithms (called GOST + algorithms). Only signature verification is implemented. -config CRYPTO_MD5_SPARC64 - tristate "MD5 digest algorithm (SPARC64)" - depends on SPARC64 - select CRYPTO_MD5 - select CRYPTO_HASH - help - MD5 message digest algorithm (RFC1321) implemented - using sparc64 crypto instructions, when available. +endmenu -config CRYPTO_MICHAEL_MIC - tristate "Michael MIC keyed digest algorithm" - select CRYPTO_HASH - help - Michael MIC is used for message integrity protection in TKIP - (IEEE 802.11i). This algorithm is required for TKIP, but it - should not be used for other purposes because of the weakness - of the algorithm. +menu "Block ciphers" -config CRYPTO_RMD128 - tristate "RIPEMD-128 digest algorithm" - select CRYPTO_HASH +config CRYPTO_AES + tristate "AES (Advanced Encryption Standard)" + select CRYPTO_ALGAPI + select CRYPTO_LIB_AES help - RIPEMD-128 (ISO/IEC 10118-3:2004). + AES cipher algorithms (Rijndael)(FIPS-197, ISO/IEC 18033-3) - RIPEMD-128 is a 128-bit cryptographic hash function. It should only - be used as a secure replacement for RIPEMD. For other use cases, - RIPEMD-160 should be used. + Rijndael appears to be consistently a very good performer in + both hardware and software across a wide range of computing + environments regardless of its use in feedback or non-feedback + modes. Its key setup time is excellent, and its key agility is + good. Rijndael's very low memory requirements make it very well + suited for restricted-space environments, in which it also + demonstrates excellent performance. Rijndael's operations are + among the easiest to defend against power and timing attacks. - Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. - See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> + The AES specifies three key sizes: 128, 192 and 256 bits -config CRYPTO_RMD160 - tristate "RIPEMD-160 digest algorithm" - select CRYPTO_HASH +config CRYPTO_AES_TI + tristate "AES (Advanced Encryption Standard) (fixed time)" + select CRYPTO_ALGAPI + select CRYPTO_LIB_AES help - RIPEMD-160 (ISO/IEC 10118-3:2004). - - RIPEMD-160 is a 160-bit cryptographic hash function. It is intended - to be used as a secure replacement for the 128-bit hash functions - MD4, MD5 and it's predecessor RIPEMD - (not to be confused with RIPEMD-128). + AES cipher algorithms (Rijndael)(FIPS-197, ISO/IEC 18033-3) - It's speed is comparable to SHA1 and there are no known attacks - against RIPEMD-160. + This is a generic implementation of AES that attempts to eliminate + data dependent latencies as much as possible without affecting + performance too much. It is intended for use by the generic CCM + and GCM drivers, and other CTR or CMAC/XCBC based modes that rely + solely on encryption (although decryption is supported as well, but + with a more dramatic performance hit) - Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. - See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> + Instead of using 16 lookup tables of 1 KB each, (8 for encryption and + 8 for decryption), this implementation only uses just two S-boxes of + 256 bytes each, and attempts to eliminate data dependent latencies by + prefetching the entire table into the cache at the start of each + block. Interrupts are also disabled to avoid races where cachelines + are evicted when the CPU is interrupted to do something else. -config CRYPTO_RMD256 - tristate "RIPEMD-256 digest algorithm" - select CRYPTO_HASH +config CRYPTO_ANUBIS + tristate "Anubis" + depends on CRYPTO_USER_API_ENABLE_OBSOLETE + select CRYPTO_ALGAPI help - RIPEMD-256 is an optional extension of RIPEMD-128 with a - 256 bit hash. It is intended for applications that require - longer hash-results, without needing a larger security level - (than RIPEMD-128). - - Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. - See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> + Anubis cipher algorithm -config CRYPTO_RMD320 - tristate "RIPEMD-320 digest algorithm" - select CRYPTO_HASH - help - RIPEMD-320 is an optional extension of RIPEMD-160 with a - 320 bit hash. It is intended for applications that require - longer hash-results, without needing a larger security level - (than RIPEMD-160). + Anubis is a variable key length cipher which can use keys from + 128 bits to 320 bits in length. It was evaluated as a entrant + in the NESSIE competition. - Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. - See <http://homes.esat.kuleuven.be/~bosselae/ripemd160.html> + See https://web.archive.org/web/20160606112246/http://www.larc.usp.br/~pbarreto/AnubisPage.html + for further information. -config CRYPTO_SHA1 - tristate "SHA1 digest algorithm" - select CRYPTO_HASH +config CRYPTO_ARIA + tristate "ARIA" + select CRYPTO_ALGAPI help - SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). + ARIA cipher algorithm (RFC5794) -config CRYPTO_SHA1_SSSE3 - tristate "SHA1 digest algorithm (SSSE3/AVX)" - depends on X86 && 64BIT - select CRYPTO_SHA1 - select CRYPTO_HASH - help - SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented - using Supplemental SSE3 (SSSE3) instructions or Advanced Vector - Extensions (AVX), when available. + ARIA is a standard encryption algorithm of the Republic of Korea. + The ARIA specifies three key sizes and rounds. + 128-bit: 12 rounds. + 192-bit: 14 rounds. + 256-bit: 16 rounds. -config CRYPTO_SHA256_SSSE3 - tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2)" - depends on X86 && 64BIT - select CRYPTO_SHA256 - select CRYPTO_HASH - help - SHA-256 secure hash standard (DFIPS 180-2) implemented - using Supplemental SSE3 (SSSE3) instructions, or Advanced Vector - Extensions version 1 (AVX1), or Advanced Vector Extensions - version 2 (AVX2) instructions, when available. + See: + https://seed.kisa.or.kr/kisa/algorithm/EgovAriaInfo.do -config CRYPTO_SHA512_SSSE3 - tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)" - depends on X86 && 64BIT - select CRYPTO_SHA512 - select CRYPTO_HASH +config CRYPTO_BLOWFISH + tristate "Blowfish" + select CRYPTO_ALGAPI + select CRYPTO_BLOWFISH_COMMON help - SHA-512 secure hash standard (DFIPS 180-2) implemented - using Supplemental SSE3 (SSSE3) instructions, or Advanced Vector - Extensions version 1 (AVX1), or Advanced Vector Extensions - version 2 (AVX2) instructions, when available. + Blowfish cipher algorithm, by Bruce Schneier -config CRYPTO_SHA1_SPARC64 - tristate "SHA1 digest algorithm (SPARC64)" - depends on SPARC64 - select CRYPTO_SHA1 - select CRYPTO_HASH - help - SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented - using sparc64 crypto instructions, when available. + This is a variable key length cipher which can use keys from 32 + bits to 448 bits in length. It's fast, simple and specifically + designed for use on "large microprocessors". -config CRYPTO_SHA1_ARM - tristate "SHA1 digest algorithm (ARM-asm)" - depends on ARM - select CRYPTO_SHA1 - select CRYPTO_HASH - help - SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented - using optimized ARM assembler. + See https://www.schneier.com/blowfish.html for further information. -config CRYPTO_SHA1_PPC - tristate "SHA1 digest algorithm (powerpc)" - depends on PPC +config CRYPTO_BLOWFISH_COMMON + tristate help - This is the powerpc hardware accelerated implementation of the - SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2). + Common parts of the Blowfish cipher algorithm shared by the + generic c and the assembler implementations. -config CRYPTO_SHA256 - tristate "SHA224 and SHA256 digest algorithm" - select CRYPTO_HASH +config CRYPTO_CAMELLIA + tristate "Camellia" + select CRYPTO_ALGAPI help - SHA256 secure hash standard (DFIPS 180-2). + Camellia cipher algorithms (ISO/IEC 18033-3) - This version of SHA implements a 256 bit hash with 128 bits of - security against collision attacks. + Camellia is a symmetric key block cipher developed jointly + at NTT and Mitsubishi Electric Corporation. - This code also includes SHA-224, a 224 bit hash with 112 bits - of security against collision attacks. + The Camellia specifies three key sizes: 128, 192 and 256 bits. -config CRYPTO_SHA256_SPARC64 - tristate "SHA224 and SHA256 digest algorithm (SPARC64)" - depends on SPARC64 - select CRYPTO_SHA256 - select CRYPTO_HASH - help - SHA-256 secure hash standard (DFIPS 180-2) implemented - using sparc64 crypto instructions, when available. + See https://info.isl.ntt.co.jp/crypt/eng/camellia/ for further information. -config CRYPTO_SHA512 - tristate "SHA384 and SHA512 digest algorithms" - select CRYPTO_HASH +config CRYPTO_CAST_COMMON + tristate help - SHA512 secure hash standard (DFIPS 180-2). - - This version of SHA implements a 512 bit hash with 256 bits of - security against collision attacks. - - This code also includes SHA-384, a 384 bit hash with 192 bits - of security against collision attacks. + Common parts of the CAST cipher algorithms shared by the + generic c and the assembler implementations. -config CRYPTO_SHA512_SPARC64 - tristate "SHA384 and SHA512 digest algorithm (SPARC64)" - depends on SPARC64 - select CRYPTO_SHA512 - select CRYPTO_HASH +config CRYPTO_CAST5 + tristate "CAST5 (CAST-128)" + select CRYPTO_ALGAPI + select CRYPTO_CAST_COMMON help - SHA-512 secure hash standard (DFIPS 180-2) implemented - using sparc64 crypto instructions, when available. + CAST5 (CAST-128) cipher algorithm (RFC2144, ISO/IEC 18033-3) -config CRYPTO_TGR192 - tristate "Tiger digest algorithms" - select CRYPTO_HASH +config CRYPTO_CAST6 + tristate "CAST6 (CAST-256)" + select CRYPTO_ALGAPI + select CRYPTO_CAST_COMMON help - Tiger hash algorithm 192, 160 and 128-bit hashes - - Tiger is a hash function optimized for 64-bit processors while - still having decent performance on 32-bit processors. - Tiger was developed by Ross Anderson and Eli Biham. + CAST6 (CAST-256) encryption algorithm (RFC2612) - See also: - <http://www.cs.technion.ac.il/~biham/Reports/Tiger/>. - -config CRYPTO_WP512 - tristate "Whirlpool digest algorithms" - select CRYPTO_HASH +config CRYPTO_DES + tristate "DES and Triple DES EDE" + select CRYPTO_ALGAPI + select CRYPTO_LIB_DES help - Whirlpool hash algorithm 512, 384 and 256-bit hashes - - Whirlpool-512 is part of the NESSIE cryptographic primitives. - Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard + DES (Data Encryption Standard)(FIPS 46-2, ISO/IEC 18033-3) and + Triple DES EDE (Encrypt/Decrypt/Encrypt) (FIPS 46-3, ISO/IEC 18033-3) + cipher algorithms - See also: - <http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html> - -config CRYPTO_GHASH_CLMUL_NI_INTEL - tristate "GHASH digest algorithm (CLMUL-NI accelerated)" - depends on X86 && 64BIT - select CRYPTO_CRYPTD +config CRYPTO_FCRYPT + tristate "FCrypt" + select CRYPTO_ALGAPI + select CRYPTO_SKCIPHER help - GHASH is message digest algorithm for GCM (Galois/Counter Mode). - The implementation is accelerated by CLMUL-NI of Intel. + FCrypt algorithm used by RxRPC -comment "Ciphers" + See https://ota.polyonymo.us/fcrypt-paper.txt -config CRYPTO_AES - tristate "AES cipher algorithms" +config CRYPTO_KHAZAD + tristate "Khazad" + depends on CRYPTO_USER_API_ENABLE_OBSOLETE select CRYPTO_ALGAPI help - AES cipher algorithms (FIPS-197). AES uses the Rijndael - algorithm. - - Rijndael appears to be consistently a very good performer in - both hardware and software across a wide range of computing - environments regardless of its use in feedback or non-feedback - modes. Its key setup time is excellent, and its key agility is - good. Rijndael's very low memory requirements make it very well - suited for restricted-space environments, in which it also - demonstrates excellent performance. Rijndael's operations are - among the easiest to defend against power and timing attacks. + Khazad cipher algorithm - The AES specifies three key sizes: 128, 192 and 256 bits + Khazad was a finalist in the initial NESSIE competition. It is + an algorithm optimized for 64-bit processors with good performance + on 32-bit processors. Khazad uses an 128 bit key size. - See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information. + See https://web.archive.org/web/20171011071731/http://www.larc.usp.br/~pbarreto/KhazadPage.html + for further information. -config CRYPTO_AES_586 - tristate "AES cipher algorithms (i586)" - depends on (X86 || UML_X86) && !64BIT +config CRYPTO_SEED + tristate "SEED" + depends on CRYPTO_USER_API_ENABLE_OBSOLETE select CRYPTO_ALGAPI - select CRYPTO_AES help - AES cipher algorithms (FIPS-197). AES uses the Rijndael - algorithm. + SEED cipher algorithm (RFC4269, ISO/IEC 18033-3) - Rijndael appears to be consistently a very good performer in - both hardware and software across a wide range of computing - environments regardless of its use in feedback or non-feedback - modes. Its key setup time is excellent, and its key agility is - good. Rijndael's very low memory requirements make it very well - suited for restricted-space environments, in which it also - demonstrates excellent performance. Rijndael's operations are - among the easiest to defend against power and timing attacks. - - The AES specifies three key sizes: 128, 192 and 256 bits + SEED is a 128-bit symmetric key block cipher that has been + developed by KISA (Korea Information Security Agency) as a + national standard encryption algorithm of the Republic of Korea. + It is a 16 round block cipher with the key size of 128 bit. - See <http://csrc.nist.gov/encryption/aes/> for more information. + See https://seed.kisa.or.kr/kisa/algorithm/EgovSeedInfo.do + for further information. -config CRYPTO_AES_X86_64 - tristate "AES cipher algorithms (x86_64)" - depends on (X86 || UML_X86) && 64BIT +config CRYPTO_SERPENT + tristate "Serpent" select CRYPTO_ALGAPI - select CRYPTO_AES help - AES cipher algorithms (FIPS-197). AES uses the Rijndael - algorithm. + Serpent cipher algorithm, by Anderson, Biham & Knudsen - Rijndael appears to be consistently a very good performer in - both hardware and software across a wide range of computing - environments regardless of its use in feedback or non-feedback - modes. Its key setup time is excellent, and its key agility is - good. Rijndael's very low memory requirements make it very well - suited for restricted-space environments, in which it also - demonstrates excellent performance. Rijndael's operations are - among the easiest to defend against power and timing attacks. + Keys are allowed to be from 0 to 256 bits in length, in steps + of 8 bits. - The AES specifies three key sizes: 128, 192 and 256 bits + See https://www.cl.cam.ac.uk/~rja14/serpent.html for further information. - See <http://csrc.nist.gov/encryption/aes/> for more information. +config CRYPTO_SM4 + tristate -config CRYPTO_AES_NI_INTEL - tristate "AES cipher algorithms (AES-NI)" - depends on X86 - select CRYPTO_AES_X86_64 if 64BIT - select CRYPTO_AES_586 if !64BIT - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 +config CRYPTO_SM4_GENERIC + tristate "SM4 (ShangMi 4)" select CRYPTO_ALGAPI - select CRYPTO_GLUE_HELPER_X86 if 64BIT - select CRYPTO_LRW - select CRYPTO_XTS + select CRYPTO_SM4 help - Use Intel AES-NI instructions for AES algorithm. + SM4 cipher algorithms (OSCCA GB/T 32907-2016, + ISO/IEC 18033-3:2010/Amd 1:2021) - AES cipher algorithms (FIPS-197). AES uses the Rijndael - algorithm. + SM4 (GBT.32907-2016) is a cryptographic standard issued by the + Organization of State Commercial Administration of China (OSCCA) + as an authorized cryptographic algorithms for the use within China. - Rijndael appears to be consistently a very good performer in - both hardware and software across a wide range of computing - environments regardless of its use in feedback or non-feedback - modes. Its key setup time is excellent, and its key agility is - good. Rijndael's very low memory requirements make it very well - suited for restricted-space environments, in which it also - demonstrates excellent performance. Rijndael's operations are - among the easiest to defend against power and timing attacks. + SMS4 was originally created for use in protecting wireless + networks, and is mandated in the Chinese National Standard for + Wireless LAN WAPI (Wired Authentication and Privacy Infrastructure) + (GB.15629.11-2003). - The AES specifies three key sizes: 128, 192 and 256 bits + The latest SM4 standard (GBT.32907-2016) was proposed by OSCCA and + standardized through TC 260 of the Standardization Administration + of the People's Republic of China (SAC). - See <http://csrc.nist.gov/encryption/aes/> for more information. + The input, output, and key of SMS4 are each 128 bits. - In addition to AES cipher algorithm support, the acceleration - for some popular block cipher mode is supported too, including - ECB, CBC, LRW, PCBC, XTS. The 64 bit version has additional - acceleration for CTR. + See https://eprint.iacr.org/2008/329.pdf for further information. -config CRYPTO_AES_SPARC64 - tristate "AES cipher algorithms (SPARC64)" - depends on SPARC64 - select CRYPTO_CRYPTD + If unsure, say N. + +config CRYPTO_TEA + tristate "TEA, XTEA and XETA" + depends on CRYPTO_USER_API_ENABLE_OBSOLETE select CRYPTO_ALGAPI help - Use SPARC64 crypto opcodes for AES algorithm. + TEA (Tiny Encryption Algorithm) cipher algorithms - AES cipher algorithms (FIPS-197). AES uses the Rijndael - algorithm. - - Rijndael appears to be consistently a very good performer in - both hardware and software across a wide range of computing - environments regardless of its use in feedback or non-feedback - modes. Its key setup time is excellent, and its key agility is - good. Rijndael's very low memory requirements make it very well - suited for restricted-space environments, in which it also - demonstrates excellent performance. Rijndael's operations are - among the easiest to defend against power and timing attacks. - - The AES specifies three key sizes: 128, 192 and 256 bits + Tiny Encryption Algorithm is a simple cipher that uses + many rounds for security. It is very fast and uses + little memory. - See <http://csrc.nist.gov/encryption/aes/> for more information. + Xtendend Tiny Encryption Algorithm is a modification to + the TEA algorithm to address a potential key weakness + in the TEA algorithm. - In addition to AES cipher algorithm support, the acceleration - for some popular block cipher mode is supported too, including - ECB and CBC. + Xtendend Encryption Tiny Algorithm is a mis-implementation + of the XTEA algorithm for compatibility purposes. -config CRYPTO_AES_ARM - tristate "AES cipher algorithms (ARM-asm)" - depends on ARM +config CRYPTO_TWOFISH + tristate "Twofish" select CRYPTO_ALGAPI - select CRYPTO_AES + select CRYPTO_TWOFISH_COMMON help - Use optimized AES assembler routines for ARM platforms. + Twofish cipher algorithm - AES cipher algorithms (FIPS-197). AES uses the Rijndael - algorithm. + Twofish was submitted as an AES (Advanced Encryption Standard) + candidate cipher by researchers at CounterPane Systems. It is a + 16 round block cipher supporting key sizes of 128, 192, and 256 + bits. - Rijndael appears to be consistently a very good performer in - both hardware and software across a wide range of computing - environments regardless of its use in feedback or non-feedback - modes. Its key setup time is excellent, and its key agility is - good. Rijndael's very low memory requirements make it very well - suited for restricted-space environments, in which it also - demonstrates excellent performance. Rijndael's operations are - among the easiest to defend against power and timing attacks. + See https://www.schneier.com/twofish.html for further information. - The AES specifies three key sizes: 128, 192 and 256 bits +config CRYPTO_TWOFISH_COMMON + tristate + help + Common parts of the Twofish cipher algorithm shared by the + generic c and the assembler implementations. - See <http://csrc.nist.gov/encryption/aes/> for more information. +endmenu -config CRYPTO_ANUBIS - tristate "Anubis cipher algorithm" - select CRYPTO_ALGAPI +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 help - Anubis cipher algorithm. + Adiantum tweakable, length-preserving encryption mode - Anubis is a variable key length cipher which can use keys from - 128 bits to 320 bits in length. It was evaluated as a entrant - in the NESSIE competition. + Designed for fast and secure disk encryption, especially on + CPUs without dedicated crypto instructions. It encrypts + each sector using the XChaCha12 stream cipher, two passes of + an ε-almost-∆-universal hash function, and an invocation of + the AES-256 block cipher on a single 16-byte block. On CPUs + without AES instructions, Adiantum is much faster than + AES-XTS. + + Adiantum's security is provably reducible to that of its + underlying stream and block ciphers, subject to a security + bound. Unlike XTS, Adiantum is a true wide-block encryption + mode, so it actually provides an even stronger notion of + security than XTS, subject to the security bound. - See also: - <https://www.cosic.esat.kuleuven.be/nessie/reports/> - <http://www.larc.usp.br/~pbarreto/AnubisPage.html> + If unsure, say N. config CRYPTO_ARC4 - tristate "ARC4 cipher algorithm" - select CRYPTO_BLKCIPHER + tristate "ARC4 (Alleged Rivest Cipher 4)" + depends on CRYPTO_USER_API_ENABLE_OBSOLETE + select CRYPTO_SKCIPHER + select CRYPTO_LIB_ARC4 help - ARC4 cipher algorithm. + ARC4 cipher algorithm ARC4 is a stream cipher using keys ranging from 8 bits to 2048 bits in length. This algorithm is required for driver-based WEP, but it should not be for other purposes because of the weakness of the algorithm. -config CRYPTO_BLOWFISH - tristate "Blowfish cipher algorithm" - select CRYPTO_ALGAPI - select CRYPTO_BLOWFISH_COMMON +config CRYPTO_CHACHA20 + tristate "ChaCha" + select CRYPTO_LIB_CHACHA + select CRYPTO_SKCIPHER help - Blowfish cipher algorithm, by Bruce Schneier. + The ChaCha20, XChaCha20, and XChaCha12 stream cipher algorithms - This is a variable key length cipher which can use keys from 32 - bits to 448 bits in length. It's fast, simple and specifically - designed for use on "large microprocessors". + ChaCha20 is a 256-bit high-speed stream cipher designed by Daniel J. + Bernstein and further specified in RFC7539 for use in IETF protocols. + This is the portable C implementation of ChaCha20. See + https://cr.yp.to/chacha/chacha-20080128.pdf for further information. - See also: - <http://www.schneier.com/blowfish.html> + XChaCha20 is the application of the XSalsa20 construction to ChaCha20 + rather than to Salsa20. XChaCha20 extends ChaCha20's nonce length + from 64 bits (or 96 bits using the RFC7539 convention) to 192 bits, + while provably retaining ChaCha20's security. See + https://cr.yp.to/snuffle/xsalsa-20081128.pdf for further information. -config CRYPTO_BLOWFISH_COMMON - tristate + XChaCha12 is XChaCha20 reduced to 12 rounds, with correspondingly + reduced security margin but increased performance. It can be needed + in some performance-sensitive scenarios. + +config CRYPTO_CBC + tristate "CBC (Cipher Block Chaining)" + select CRYPTO_SKCIPHER + select CRYPTO_MANAGER help - Common parts of the Blowfish cipher algorithm shared by the - generic c and the assembler implementations. + CBC (Cipher Block Chaining) mode (NIST SP800-38A) - See also: - <http://www.schneier.com/blowfish.html> + This block cipher mode is required for IPSec ESP (XFRM_ESP). -config CRYPTO_BLOWFISH_X86_64 - tristate "Blowfish cipher algorithm (x86_64)" - depends on X86 && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_BLOWFISH_COMMON +config CRYPTO_CTR + tristate "CTR (Counter)" + select CRYPTO_SKCIPHER + select CRYPTO_MANAGER help - Blowfish cipher algorithm (x86_64), by Bruce Schneier. + CTR (Counter) mode (NIST SP800-38A) - This is a variable key length cipher which can use keys from 32 - bits to 448 bits in length. It's fast, simple and specifically - designed for use on "large microprocessors". +config CRYPTO_CTS + tristate "CTS (Cipher Text Stealing)" + select CRYPTO_SKCIPHER + select CRYPTO_MANAGER + help + CBC-CS3 variant of CTS (Cipher Text Stealing) (NIST + Addendum to SP800-38A (October 2010)) - See also: - <http://www.schneier.com/blowfish.html> + This mode is required for Kerberos gss mechanism support + for AES encryption. -config CRYPTO_CAMELLIA - tristate "Camellia cipher algorithms" - depends on CRYPTO - select CRYPTO_ALGAPI +config CRYPTO_ECB + tristate "ECB (Electronic Codebook)" + select CRYPTO_SKCIPHER2 + select CRYPTO_MANAGER help - Camellia cipher algorithms module. + ECB (Electronic Codebook) mode (NIST SP800-38A) - Camellia is a symmetric key block cipher developed jointly - at NTT and Mitsubishi Electric Corporation. +config CRYPTO_HCTR2 + tristate "HCTR2" + select CRYPTO_XCTR + select CRYPTO_LIB_POLYVAL + select CRYPTO_MANAGER + help + HCTR2 length-preserving encryption mode - The Camellia specifies three key sizes: 128, 192 and 256 bits. + A mode for storage encryption that is efficient on processors with + instructions to accelerate AES and carryless multiplication, e.g. + x86 processors with AES-NI and CLMUL, and ARM processors with the + ARMv8 crypto extensions. - See also: - <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> + See https://eprint.iacr.org/2021/1441 -config CRYPTO_CAMELLIA_X86_64 - tristate "Camellia cipher algorithm (x86_64)" - depends on X86 && 64BIT - depends on CRYPTO - select CRYPTO_ALGAPI - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_LRW + tristate "LRW (Liskov Rivest Wagner)" + select CRYPTO_LIB_GF128MUL + select CRYPTO_SKCIPHER + select CRYPTO_MANAGER + select CRYPTO_ECB help - Camellia cipher algorithm module (x86_64). - - Camellia is a symmetric key block cipher developed jointly - at NTT and Mitsubishi Electric Corporation. + LRW (Liskov Rivest Wagner) mode - The Camellia specifies three key sizes: 128, 192 and 256 bits. + A tweakable, non malleable, non movable + narrow block cipher mode for dm-crypt. Use it with cipher + specification string aes-lrw-benbi, the key must be 256, 320 or 384. + The first 128, 192 or 256 bits in the key are used for AES and the + rest is used to tie each cipher block to its logical position. - See also: - <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> + See https://people.csail.mit.edu/rivest/pubs/LRW02.pdf -config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 - tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX)" - depends on X86 && 64BIT - depends on CRYPTO - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_CAMELLIA_X86_64 - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_PCBC + tristate "PCBC (Propagating Cipher Block Chaining)" + select CRYPTO_SKCIPHER + select CRYPTO_MANAGER help - Camellia cipher algorithm module (x86_64/AES-NI/AVX). + PCBC (Propagating Cipher Block Chaining) mode - Camellia is a symmetric key block cipher developed jointly - at NTT and Mitsubishi Electric Corporation. - - The Camellia specifies three key sizes: 128, 192 and 256 bits. + This block cipher mode is required for RxRPC. - See also: - <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> - -config CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 - tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX2)" - depends on X86 && 64BIT - depends on CRYPTO - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_CAMELLIA_X86_64 - select CRYPTO_CAMELLIA_AESNI_AVX_X86_64 - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_XCTR + tristate + select CRYPTO_SKCIPHER + select CRYPTO_MANAGER help - Camellia cipher algorithm module (x86_64/AES-NI/AVX2). - - Camellia is a symmetric key block cipher developed jointly - at NTT and Mitsubishi Electric Corporation. + XCTR (XOR Counter) mode for HCTR2 - The Camellia specifies three key sizes: 128, 192 and 256 bits. + This blockcipher mode is a variant of CTR mode using XORs and little-endian + addition rather than big-endian arithmetic. - See also: - <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> + XCTR mode is used to implement HCTR2. -config CRYPTO_CAMELLIA_SPARC64 - tristate "Camellia cipher algorithm (SPARC64)" - depends on SPARC64 - depends on CRYPTO - select CRYPTO_ALGAPI +config CRYPTO_XTS + tristate "XTS (XOR Encrypt XOR with ciphertext stealing)" + select CRYPTO_SKCIPHER + select CRYPTO_MANAGER + select CRYPTO_ECB help - Camellia cipher algorithm module (SPARC64). + XTS (XOR Encrypt XOR with ciphertext stealing) mode (NIST SP800-38E + and IEEE 1619) - Camellia is a symmetric key block cipher developed jointly - at NTT and Mitsubishi Electric Corporation. + Use with aes-xts-plain, key size 256, 384 or 512 bits. This + implementation currently can't handle a sectorsize which is not a + multiple of 16 bytes. - The Camellia specifies three key sizes: 128, 192 and 256 bits. +config CRYPTO_NHPOLY1305 + tristate + select CRYPTO_HASH + select CRYPTO_LIB_POLY1305 + select CRYPTO_LIB_POLY1305_GENERIC - See also: - <https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html> +endmenu -config CRYPTO_CAST_COMMON - tristate - help - Common parts of the CAST cipher algorithms shared by the - generic c and the assembler implementations. +menu "AEAD (authenticated encryption with associated data) ciphers" -config CRYPTO_CAST5 - tristate "CAST5 (CAST-128) cipher algorithm" - select CRYPTO_ALGAPI - select CRYPTO_CAST_COMMON +config CRYPTO_AEGIS128 + tristate "AEGIS-128" + select CRYPTO_AEAD + select CRYPTO_AES # for AES S-box tables help - The CAST5 encryption algorithm (synonymous with CAST-128) is - described in RFC2144. + AEGIS-128 AEAD algorithm -config CRYPTO_CAST5_AVX_X86_64 - tristate "CAST5 (CAST-128) cipher algorithm (x86_64/AVX)" - depends on X86 && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_CAST_COMMON - select CRYPTO_CAST5 +config CRYPTO_AEGIS128_SIMD + bool "AEGIS-128 (arm NEON, arm64 NEON)" + depends on CRYPTO_AEGIS128 && ((ARM || ARM64) && KERNEL_MODE_NEON) + default y help - The CAST5 encryption algorithm (synonymous with CAST-128) is - described in RFC2144. + AEGIS-128 AEAD algorithm - This module provides the Cast5 cipher algorithm that processes - sixteen blocks parallel using the AVX instruction set. + Architecture: arm or arm64 using: + - NEON (Advanced SIMD) extension -config CRYPTO_CAST6 - tristate "CAST6 (CAST-256) cipher algorithm" - select CRYPTO_ALGAPI - select CRYPTO_CAST_COMMON +config CRYPTO_CHACHA20POLY1305 + tristate "ChaCha20-Poly1305" + select CRYPTO_CHACHA20 + select CRYPTO_AEAD + select CRYPTO_LIB_POLY1305 + select CRYPTO_MANAGER help - The CAST6 encryption algorithm (synonymous with CAST-256) is - described in RFC2612. + ChaCha20 stream cipher and Poly1305 authenticator combined + mode (RFC8439) -config CRYPTO_CAST6_AVX_X86_64 - tristate "CAST6 (CAST-256) cipher algorithm (x86_64/AVX)" - depends on X86 && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_CAST_COMMON - select CRYPTO_CAST6 - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_CCM + tristate "CCM (Counter with Cipher Block Chaining-MAC)" + select CRYPTO_CTR + select CRYPTO_HASH + select CRYPTO_AEAD + select CRYPTO_MANAGER help - The CAST6 encryption algorithm (synonymous with CAST-256) is - described in RFC2612. + CCM (Counter with Cipher Block Chaining-Message Authentication Code) + authenticated encryption mode (NIST SP800-38C) - This module provides the Cast6 cipher algorithm that processes - eight blocks parallel using the AVX instruction set. - -config CRYPTO_DES - tristate "DES and Triple DES EDE cipher algorithms" - select CRYPTO_ALGAPI +config CRYPTO_GCM + tristate "GCM (Galois/Counter Mode) and GMAC (GCM MAC)" + select CRYPTO_CTR + select CRYPTO_AEAD + select CRYPTO_GHASH + select CRYPTO_MANAGER help - DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). + GCM (Galois/Counter Mode) authenticated encryption mode and GMAC + (GCM Message Authentication Code) (NIST SP800-38D) -config CRYPTO_DES_SPARC64 - tristate "DES and Triple DES EDE cipher algorithms (SPARC64)" - depends on SPARC64 - select CRYPTO_ALGAPI - select CRYPTO_DES - help - DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3), - optimized using SPARC64 crypto opcodes. + This is required for IPSec ESP (XFRM_ESP). -config CRYPTO_FCRYPT - tristate "FCrypt cipher algorithm" - select CRYPTO_ALGAPI - select CRYPTO_BLKCIPHER - help - FCrypt algorithm used by RxRPC. +config CRYPTO_GENIV + tristate + select CRYPTO_AEAD + select CRYPTO_MANAGER + select CRYPTO_RNG_DEFAULT -config CRYPTO_KHAZAD - tristate "Khazad cipher algorithm" - select CRYPTO_ALGAPI +config CRYPTO_SEQIV + tristate "Sequence Number IV Generator" + select CRYPTO_GENIV help - Khazad cipher algorithm. + Sequence Number IV generator - Khazad was a finalist in the initial NESSIE competition. It is - an algorithm optimized for 64-bit processors with good performance - on 32-bit processors. Khazad uses an 128 bit key size. + This IV generator generates an IV based on a sequence number by + xoring it with a salt. This algorithm is mainly useful for CTR. - See also: - <http://www.larc.usp.br/~pbarreto/KhazadPage.html> + This is required for IPsec ESP (XFRM_ESP). -config CRYPTO_SALSA20 - tristate "Salsa20 stream cipher algorithm" - select CRYPTO_BLKCIPHER +config CRYPTO_ECHAINIV + tristate "Encrypted Chain IV Generator" + select CRYPTO_GENIV help - Salsa20 stream cipher algorithm. + Encrypted Chain IV generator - Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT - Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> + This IV generator generates an IV based on the encryption of + a sequence number xored with a salt. This is the default + algorithm for CBC. - The Salsa20 stream cipher algorithm is designed by Daniel J. - Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> - -config CRYPTO_SALSA20_586 - tristate "Salsa20 stream cipher algorithm (i586)" - depends on (X86 || UML_X86) && !64BIT - select CRYPTO_BLKCIPHER +config CRYPTO_ESSIV + tristate "Encrypted Salt-Sector IV Generator" + select CRYPTO_AUTHENC help - Salsa20 stream cipher algorithm. + Encrypted Salt-Sector IV generator - Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT - Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> + This IV generator is used in some cases by fscrypt and/or + dm-crypt. It uses the hash of the block encryption key as the + symmetric key for a block encryption pass applied to the input + IV, making low entropy IV sources more suitable for block + encryption. - The Salsa20 stream cipher algorithm is designed by Daniel J. - Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> + This driver implements a crypto API template that can be + instantiated either as an skcipher or as an AEAD (depending on the + type of the first template argument), and which defers encryption + and decryption requests to the encapsulated cipher after applying + ESSIV to the input IV. Note that in the AEAD case, it is assumed + that the keys are presented in the same format used by the authenc + template, and that the IV appears at the end of the authenticated + associated data (AAD) region (which is how dm-crypt uses it.) -config CRYPTO_SALSA20_X86_64 - tristate "Salsa20 stream cipher algorithm (x86_64)" - depends on (X86 || UML_X86) && 64BIT - select CRYPTO_BLKCIPHER - help - Salsa20 stream cipher algorithm. + Note that the use of ESSIV is not recommended for new deployments, + and so this only needs to be enabled when interoperability with + existing encrypted volumes of filesystems is required, or when + building for a particular system that requires it (e.g., when + the SoC in question has accelerated CBC but not XTS, making CBC + combined with ESSIV the only feasible mode for h/w accelerated + block encryption) - Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT - Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/> +endmenu - The Salsa20 stream cipher algorithm is designed by Daniel J. - Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html> +menu "Hashes, digests, and MACs" -config CRYPTO_SEED - tristate "SEED cipher algorithm" - select CRYPTO_ALGAPI +config CRYPTO_BLAKE2B + tristate "BLAKE2b" + select CRYPTO_HASH + select CRYPTO_LIB_BLAKE2B help - SEED cipher algorithm (RFC4269). + BLAKE2b cryptographic hash function (RFC 7693) - SEED is a 128-bit symmetric key block cipher that has been - developed by KISA (Korea Information Security Agency) as a - national standard encryption algorithm of the Republic of Korea. - It is a 16 round block cipher with the key size of 128 bit. + BLAKE2b is optimized for 64-bit platforms and can produce digests + of any size between 1 and 64 bytes. The keyed hash is also implemented. - See also: - <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp> + This module provides the following algorithms: + - blake2b-160 + - blake2b-256 + - blake2b-384 + - blake2b-512 -config CRYPTO_SERPENT - tristate "Serpent cipher algorithm" - select CRYPTO_ALGAPI - help - Serpent cipher algorithm, by Anderson, Biham & Knudsen. + Used by the btrfs filesystem. - Keys are allowed to be from 0 to 256 bits in length, in steps - of 8 bits. Also includes the 'Tnepres' algorithm, a reversed - variant of Serpent for compatibility with old kerneli.org code. + See https://blake2.net for further information. - See also: - <http://www.cl.cam.ac.uk/~rja14/serpent.html> +config CRYPTO_CMAC + tristate "CMAC (Cipher-based MAC)" + select CRYPTO_HASH + select CRYPTO_MANAGER + help + CMAC (Cipher-based Message Authentication Code) authentication + mode (NIST SP800-38B and IETF RFC4493) -config CRYPTO_SERPENT_SSE2_X86_64 - tristate "Serpent cipher algorithm (x86_64/SSE2)" - depends on X86 && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_SERPENT - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_GHASH + tristate "GHASH" + select CRYPTO_HASH + select CRYPTO_LIB_GF128MUL help - Serpent cipher algorithm, by Anderson, Biham & Knudsen. + GCM GHASH function (NIST SP800-38D) - Keys are allowed to be from 0 to 256 bits in length, in steps - of 8 bits. +config CRYPTO_HMAC + tristate "HMAC (Keyed-Hash MAC)" + select CRYPTO_HASH + select CRYPTO_MANAGER + help + HMAC (Keyed-Hash Message Authentication Code) (FIPS 198 and + RFC2104) - This module provides Serpent cipher algorithm that processes eigth - blocks parallel using SSE2 instruction set. + This is required for IPsec AH (XFRM_AH) and IPsec ESP (XFRM_ESP). - See also: - <http://www.cl.cam.ac.uk/~rja14/serpent.html> +config CRYPTO_MD4 + tristate "MD4" + select CRYPTO_HASH + help + MD4 message digest algorithm (RFC1320) -config CRYPTO_SERPENT_SSE2_586 - tristate "Serpent cipher algorithm (i586/SSE2)" - depends on X86 && !64BIT - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_SERPENT - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_MD5 + tristate "MD5" + select CRYPTO_HASH + select CRYPTO_LIB_MD5 help - Serpent cipher algorithm, by Anderson, Biham & Knudsen. + MD5 message digest algorithm (RFC1321), including HMAC support. - Keys are allowed to be from 0 to 256 bits in length, in steps - of 8 bits. +config CRYPTO_MICHAEL_MIC + tristate "Michael MIC" + select CRYPTO_HASH + help + Michael MIC (Message Integrity Code) (IEEE 802.11i) - This module provides Serpent cipher algorithm that processes four - blocks parallel using SSE2 instruction set. + Defined by the IEEE 802.11i TKIP (Temporal Key Integrity Protocol), + known as WPA (Wif-Fi Protected Access). - See also: - <http://www.cl.cam.ac.uk/~rja14/serpent.html> + This algorithm is required for TKIP, but it should not be used for + other purposes because of the weakness of the algorithm. -config CRYPTO_SERPENT_AVX_X86_64 - tristate "Serpent cipher algorithm (x86_64/AVX)" - depends on X86 && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_SERPENT - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_RMD160 + tristate "RIPEMD-160" + select CRYPTO_HASH help - Serpent cipher algorithm, by Anderson, Biham & Knudsen. + RIPEMD-160 hash function (ISO/IEC 10118-3) - Keys are allowed to be from 0 to 256 bits in length, in steps - of 8 bits. + RIPEMD-160 is a 160-bit cryptographic hash function. It is intended + to be used as a secure replacement for the 128-bit hash functions + MD4, MD5 and its predecessor RIPEMD + (not to be confused with RIPEMD-128). - This module provides the Serpent cipher algorithm that processes - eight blocks parallel using the AVX instruction set. + Its speed is comparable to SHA-1 and there are no known attacks + against RIPEMD-160. - See also: - <http://www.cl.cam.ac.uk/~rja14/serpent.html> + Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. + See https://homes.esat.kuleuven.be/~bosselae/ripemd160.html + for further information. -config CRYPTO_SERPENT_AVX2_X86_64 - tristate "Serpent cipher algorithm (x86_64/AVX2)" - depends on X86 && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_SERPENT - select CRYPTO_SERPENT_AVX_X86_64 - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_SHA1 + tristate "SHA-1" + select CRYPTO_HASH + select CRYPTO_LIB_SHA1 help - Serpent cipher algorithm, by Anderson, Biham & Knudsen. + SHA-1 secure hash algorithm (FIPS 180, ISO/IEC 10118-3), including + HMAC support. - Keys are allowed to be from 0 to 256 bits in length, in steps - of 8 bits. +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), including HMAC support. - This module provides Serpent cipher algorithm that processes 16 - blocks parallel using AVX2 instruction set. + This is required for IPsec AH (XFRM_AH) and IPsec ESP (XFRM_ESP). + Used by the btrfs filesystem, Ceph, NFS, and SMB. - See also: - <http://www.cl.cam.ac.uk/~rja14/serpent.html> +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), including HMAC support. -config CRYPTO_TEA - tristate "TEA, XTEA and XETA cipher algorithms" - select CRYPTO_ALGAPI +config CRYPTO_SHA3 + tristate "SHA-3" + select CRYPTO_HASH + select CRYPTO_LIB_SHA3 help - TEA cipher algorithm. + SHA-3 secure hash algorithms (FIPS 202, ISO/IEC 10118-3) - Tiny Encryption Algorithm is a simple cipher that uses - many rounds for security. It is very fast and uses - little memory. +config CRYPTO_SM3_GENERIC + tristate "SM3 (ShangMi 3)" + select CRYPTO_HASH + select CRYPTO_LIB_SM3 + help + SM3 (ShangMi 3) secure hash function (OSCCA GM/T 0004-2012, ISO/IEC 10118-3) - Xtendend Tiny Encryption Algorithm is a modification to - the TEA algorithm to address a potential key weakness - in the TEA algorithm. + This is part of the Chinese Commercial Cryptography suite. - Xtendend Encryption Tiny Algorithm is a mis-implementation - of the XTEA algorithm for compatibility purposes. + References: + http://www.oscca.gov.cn/UpFile/20101222141857786.pdf + https://datatracker.ietf.org/doc/html/draft-shen-sm3-hash -config CRYPTO_TWOFISH - tristate "Twofish cipher algorithm" - select CRYPTO_ALGAPI - select CRYPTO_TWOFISH_COMMON +config CRYPTO_STREEBOG + tristate "Streebog" + select CRYPTO_HASH help - Twofish cipher algorithm. + Streebog Hash Function (GOST R 34.11-2012, RFC 6986, ISO/IEC 10118-3) - Twofish was submitted as an AES (Advanced Encryption Standard) - candidate cipher by researchers at CounterPane Systems. It is a - 16 round block cipher supporting key sizes of 128, 192, and 256 - bits. + This is one of the Russian cryptographic standard algorithms (called + GOST algorithms). This setting enables two hash algorithms with + 256 and 512 bits output. - See also: - <http://www.schneier.com/twofish.html> + References: + https://tc26.ru/upload/iblock/fed/feddbb4d26b685903faa2ba11aea43f6.pdf + https://tools.ietf.org/html/rfc6986 -config CRYPTO_TWOFISH_COMMON - tristate +config CRYPTO_WP512 + tristate "Whirlpool" + select CRYPTO_HASH help - Common parts of the Twofish cipher algorithm shared by the - generic c and the assembler implementations. + Whirlpool hash function (ISO/IEC 10118-3) -config CRYPTO_TWOFISH_586 - tristate "Twofish cipher algorithms (i586)" - depends on (X86 || UML_X86) && !64BIT - select CRYPTO_ALGAPI - select CRYPTO_TWOFISH_COMMON - help - Twofish cipher algorithm. + 512, 384 and 256-bit hashes. - Twofish was submitted as an AES (Advanced Encryption Standard) - candidate cipher by researchers at CounterPane Systems. It is a - 16 round block cipher supporting key sizes of 128, 192, and 256 - bits. + Whirlpool-512 is part of the NESSIE cryptographic primitives. - See also: - <http://www.schneier.com/twofish.html> + See https://web.archive.org/web/20171129084214/http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html + for further information. -config CRYPTO_TWOFISH_X86_64 - tristate "Twofish cipher algorithm (x86_64)" - depends on (X86 || UML_X86) && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_TWOFISH_COMMON +config CRYPTO_XCBC + tristate "XCBC-MAC (Extended Cipher Block Chaining MAC)" + select CRYPTO_HASH + select CRYPTO_MANAGER help - Twofish cipher algorithm (x86_64). - - Twofish was submitted as an AES (Advanced Encryption Standard) - candidate cipher by researchers at CounterPane Systems. It is a - 16 round block cipher supporting key sizes of 128, 192, and 256 - bits. - - See also: - <http://www.schneier.com/twofish.html> + XCBC-MAC (Extended Cipher Block Chaining Message Authentication + Code) (RFC3566) -config CRYPTO_TWOFISH_X86_64_3WAY - tristate "Twofish cipher algorithm (x86_64, 3-way parallel)" - depends on X86 && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_TWOFISH_COMMON - select CRYPTO_TWOFISH_X86_64 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_LRW - select CRYPTO_XTS +config CRYPTO_XXHASH + tristate "xxHash" + select CRYPTO_HASH + select XXHASH help - Twofish cipher algorithm (x86_64, 3-way parallel). + xxHash non-cryptographic hash algorithm - Twofish was submitted as an AES (Advanced Encryption Standard) - candidate cipher by researchers at CounterPane Systems. It is a - 16 round block cipher supporting key sizes of 128, 192, and 256 - bits. + Extremely fast, working at speeds close to RAM limits. - This module provides Twofish cipher algorithm that processes three - blocks parallel, utilizing resources of out-of-order CPUs better. + Used by the btrfs filesystem. - See also: - <http://www.schneier.com/twofish.html> +endmenu -config CRYPTO_TWOFISH_AVX_X86_64 - tristate "Twofish cipher algorithm (x86_64/AVX)" - depends on X86 && 64BIT - select CRYPTO_ALGAPI - select CRYPTO_CRYPTD - select CRYPTO_ABLK_HELPER_X86 - select CRYPTO_GLUE_HELPER_X86 - select CRYPTO_TWOFISH_COMMON - select CRYPTO_TWOFISH_X86_64 - select CRYPTO_TWOFISH_X86_64_3WAY - select CRYPTO_LRW - select CRYPTO_XTS +menu "CRCs (cyclic redundancy checks)" + +config CRYPTO_CRC32C + tristate "CRC32c" + select CRYPTO_HASH + select CRC32 help - Twofish cipher algorithm (x86_64/AVX). + CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720) - Twofish was submitted as an AES (Advanced Encryption Standard) - candidate cipher by researchers at CounterPane Systems. It is a - 16 round block cipher supporting key sizes of 128, 192, and 256 - bits. + A 32-bit CRC (cyclic redundancy check) with a polynomial defined + by G. Castagnoli, S. Braeuer and M. Herrman in "Optimization of Cyclic + Redundancy-Check Codes with 24 and 32 Parity Bits", IEEE Transactions + on Communications, Vol. 41, No. 6, June 1993, selected for use with + iSCSI. - This module provides the Twofish cipher algorithm that processes - eight blocks parallel using the AVX Instruction Set. + Used by btrfs, ext4, jbd2, NVMeoF/TCP, and iSCSI. - See also: - <http://www.schneier.com/twofish.html> +config CRYPTO_CRC32 + tristate "CRC32" + select CRYPTO_HASH + select CRC32 + help + CRC32 CRC algorithm (IEEE 802.3) + + Used by RoCEv2 and f2fs. -comment "Compression" +endmenu + +menu "Compression" config CRYPTO_DEFLATE - tristate "Deflate compression algorithm" + tristate "Deflate" select CRYPTO_ALGAPI + select CRYPTO_ACOMP2 select ZLIB_INFLATE select ZLIB_DEFLATE help - This is the Deflate algorithm (RFC1951), specified for use in - IPSec with the IPCOMP protocol (RFC3173, RFC2394). - - You will most probably want this if using IPSec. + Deflate compression algorithm (RFC1951) -config CRYPTO_ZLIB - tristate "Zlib compression algorithm" - select CRYPTO_PCOMP - select ZLIB_INFLATE - select ZLIB_DEFLATE - select NLATTR - help - This is the zlib algorithm. + Used by IPSec with the IPCOMP protocol (RFC3173, RFC2394) config CRYPTO_LZO - tristate "LZO compression algorithm" + tristate "LZO" select CRYPTO_ALGAPI + select CRYPTO_ACOMP2 select LZO_COMPRESS select LZO_DECOMPRESS help - This is the LZO algorithm. + LZO compression algorithm + + See https://www.oberhumer.com/opensource/lzo/ for further information. config CRYPTO_842 - tristate "842 compression algorithm" - depends on CRYPTO_DEV_NX_COMPRESS - # 842 uses lzo if the hardware becomes unavailable - select LZO_COMPRESS - select LZO_DECOMPRESS + tristate "842" + select CRYPTO_ALGAPI + select CRYPTO_ACOMP2 + select 842_COMPRESS + select 842_DECOMPRESS help - This is the 842 algorithm. + 842 compression algorithm by IBM + + See https://github.com/plauth/lib842 for further information. config CRYPTO_LZ4 - tristate "LZ4 compression algorithm" + tristate "LZ4" select CRYPTO_ALGAPI + select CRYPTO_ACOMP2 select LZ4_COMPRESS select LZ4_DECOMPRESS help - This is the LZ4 algorithm. + LZ4 compression algorithm + + See https://github.com/lz4/lz4 for further information. config CRYPTO_LZ4HC - tristate "LZ4HC compression algorithm" + tristate "LZ4HC" select CRYPTO_ALGAPI + select CRYPTO_ACOMP2 select LZ4HC_COMPRESS select LZ4_DECOMPRESS help - This is the LZ4 high compression mode algorithm. + LZ4 high compression mode algorithm -comment "Random Number Generation" + See https://github.com/lz4/lz4 for further information. -config CRYPTO_ANSI_CPRNG - tristate "Pseudo Random Number Generation for Cryptographic modules" - default m - select CRYPTO_AES - select CRYPTO_RNG +config CRYPTO_ZSTD + tristate "Zstd" + select CRYPTO_ALGAPI + select CRYPTO_ACOMP2 + select ZSTD_COMPRESS + select ZSTD_DECOMPRESS + help + zstd compression algorithm + + See https://github.com/facebook/zstd for further information. + +endmenu + +menu "Random number generation" + +menuconfig CRYPTO_DRBG_MENU + tristate "NIST SP800-90A DRBG (Deterministic Random Bit Generator)" + help + DRBG (Deterministic Random Bit Generator) (NIST SP800-90A) + + In the following submenu, one or more of the DRBG types must be selected. + +if CRYPTO_DRBG_MENU + +config CRYPTO_DRBG_HMAC + bool + default y + select CRYPTO_HMAC + select CRYPTO_SHA512 + +config CRYPTO_DRBG_HASH + bool "Hash_DRBG" + select CRYPTO_SHA256 + help + Hash_DRBG variant as defined in NIST SP800-90A. + + This uses the SHA-1, SHA-256, SHA-384, or SHA-512 hash algorithms. + +config CRYPTO_DRBG_CTR + bool "CTR_DRBG" + select CRYPTO_DF80090A help - This option enables the generic pseudo random number generator - for cryptographic modules. Uses the Algorithm specified in - ANSI X9.31 A.2.4. Note that this option must be enabled if - CRYPTO_FIPS is selected + CTR_DRBG variant as defined in NIST SP800-90A. + + This uses the AES cipher algorithm with the counter block mode. + +config CRYPTO_DRBG + tristate + default CRYPTO_DRBG_MENU + select CRYPTO_RNG + select CRYPTO_JITTERENTROPY + +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). + 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 + +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" config CRYPTO_USER_API tristate config CRYPTO_USER_API_HASH - tristate "User-space interface for hash algorithms" + tristate "Hash algorithms" depends on NET select CRYPTO_HASH select CRYPTO_USER_API help - This option enables the user-spaces interface for hash - algorithms. + Enable the userspace interface for hash algorithms. + + See Documentation/crypto/userspace-if.rst and + https://www.chronox.de/libkcapi/html/index.html config CRYPTO_USER_API_SKCIPHER - tristate "User-space interface for symmetric key cipher algorithms" + tristate "Symmetric key cipher algorithms" depends on NET - select CRYPTO_BLKCIPHER + select CRYPTO_SKCIPHER select CRYPTO_USER_API help - This option enables the user-spaces interface for symmetric - key cipher algorithms. + Enable the userspace interface for symmetric key cipher algorithms. + + See Documentation/crypto/userspace-if.rst and + https://www.chronox.de/libkcapi/html/index.html + +config CRYPTO_USER_API_RNG + tristate "RNG (random number generator) algorithms" + depends on NET + select CRYPTO_RNG + select CRYPTO_USER_API + help + Enable the userspace interface for RNG (random number generator) + algorithms. + + See Documentation/crypto/userspace-if.rst and + https://www.chronox.de/libkcapi/html/index.html + +config CRYPTO_USER_API_RNG_CAVP + bool "Enable CAVP testing of DRBG" + depends on CRYPTO_USER_API_RNG && CRYPTO_DRBG + help + Enable extra APIs in the userspace interface for NIST CAVP + (Cryptographic Algorithm Validation Program) testing: + - resetting DRBG entropy + - providing Additional Data + + This should only be enabled for CAVP testing. You should say + no unless you know what this is. + +config CRYPTO_USER_API_AEAD + tristate "AEAD cipher algorithms" + depends on NET + select CRYPTO_AEAD + select CRYPTO_SKCIPHER + select CRYPTO_USER_API + help + Enable the userspace interface for AEAD cipher algorithms. + + See Documentation/crypto/userspace-if.rst and + https://www.chronox.de/libkcapi/html/index.html + +config CRYPTO_USER_API_ENABLE_OBSOLETE + bool "Obsolete cryptographic algorithms" + depends on CRYPTO_USER_API + default y + help + Allow obsolete cryptographic algorithms to be selected that have + already been phased out from internal use by the kernel, and are + only useful for userspace clients that still rely on them. + +endmenu + +if !KMSAN # avoid false positives from assembly +if ARM +source "arch/arm/crypto/Kconfig" +endif +if ARM64 +source "arch/arm64/crypto/Kconfig" +endif +if LOONGARCH +source "arch/loongarch/crypto/Kconfig" +endif +if MIPS +source "arch/mips/crypto/Kconfig" +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 +if SPARC +source "arch/sparc/crypto/Kconfig" +endif +if X86 +source "arch/x86/crypto/Kconfig" +endif +endif source "drivers/crypto/Kconfig" -source crypto/asymmetric_keys/Kconfig +source "crypto/asymmetric_keys/Kconfig" +source "certs/Kconfig" +source "crypto/krb5/Kconfig" endif # if CRYPTO |
