diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-21 18:10:50 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-21 18:10:50 -0800 |
commit | 36289a03bcd3aabdf66de75cb6d1b4ee15726438 (patch) | |
tree | 1230c6391678f9255f74d7a4f65e95ea8a39d452 /include/crypto/aead.h | |
parent | 69308402ca6f5b80a5a090ade0b13bd146891420 (diff) | |
parent | 8b84475318641c2b89320859332544cf187e1cbd (diff) |
Merge tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"API:
- Use kmap_local instead of kmap_atomic
- Change request callback to take void pointer
- Print FIPS status in /proc/crypto (when enabled)
Algorithms:
- Add rfc4106/gcm support on arm64
- Add ARIA AVX2/512 support on x86
Drivers:
- Add TRNG driver for StarFive SoC
- Delete ux500/hash driver (subsumed by stm32/hash)
- Add zlib support in qat
- Add RSA support in aspeed"
* tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (156 commits)
crypto: x86/aria-avx - Do not use avx2 instructions
crypto: aspeed - Fix modular aspeed-acry
crypto: hisilicon/qm - fix coding style issues
crypto: hisilicon/qm - update comments to match function
crypto: hisilicon/qm - change function names
crypto: hisilicon/qm - use min() instead of min_t()
crypto: hisilicon/qm - remove some unused defines
crypto: proc - Print fips status
crypto: crypto4xx - Call dma_unmap_page when done
crypto: octeontx2 - Fix objects shared between several modules
crypto: nx - Fix sparse warnings
crypto: ecc - Silence sparse warning
tls: Pass rec instead of aead_req into tls_encrypt_done
crypto: api - Remove completion function scaffolding
tls: Remove completion function scaffolding
tipc: Remove completion function scaffolding
net: ipv6: Remove completion function scaffolding
net: ipv4: Remove completion function scaffolding
net: macsec: Remove completion function scaffolding
dm: Remove completion function scaffolding
...
Diffstat (limited to 'include/crypto/aead.h')
-rw-r--r-- | include/crypto/aead.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/include/crypto/aead.h b/include/crypto/aead.h index 14db3bee0519..4a2b7e6e0c1f 100644 --- a/include/crypto/aead.h +++ b/include/crypto/aead.h @@ -27,15 +27,12 @@ * * For example: authenc(hmac(sha256), cbc(aes)) * - * The example code provided for the symmetric key cipher operation - * applies here as well. Naturally all *skcipher* symbols must be exchanged - * the *aead* pendants discussed in the following. In addition, for the AEAD - * operation, the aead_request_set_ad function must be used to set the - * pointer to the associated data memory location before performing the - * encryption or decryption operation. In case of an encryption, the associated - * data memory is filled during the encryption operation. For decryption, the - * associated data memory must contain data that is used to verify the integrity - * of the decrypted data. Another deviation from the asynchronous block cipher + * The example code provided for the symmetric key cipher operation applies + * here as well. Naturally all *skcipher* symbols must be exchanged the *aead* + * pendants discussed in the following. In addition, for the AEAD operation, + * the aead_request_set_ad function must be used to set the pointer to the + * associated data memory location before performing the encryption or + * decryption operation. Another deviation from the asynchronous block cipher * operation is that the caller should explicitly check for -EBADMSG of the * crypto_aead_decrypt. That error indicates an authentication error, i.e. * a breach in the integrity of the message. In essence, that -EBADMSG error @@ -49,7 +46,10 @@ * * The destination scatterlist has the same layout, except that the plaintext * (resp. ciphertext) will grow (resp. shrink) by the authentication tag size - * during encryption (resp. decryption). + * during encryption (resp. decryption). The authentication tag is generated + * during the encryption operation and appended to the ciphertext. During + * decryption, the authentication tag is consumed along with the ciphertext and + * used to verify the integrity of the plaintext and the associated data. * * In-place encryption/decryption is enabled by using the same scatterlist * pointer for both the source and destination. |