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crypto: x86/aesni - update docs for aesni-intel module

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Update the kconfig help and module description to reflect that VAES
instructions are now used in some cases.  Also fix XTR => XCTR.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2024-08-27 11:50:01 -07:00 committed by Herbert Xu
parent 78cb66caa6
commit c299d7af9d
2 changed files with 7 additions and 3 deletions
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8
arch/x86/crypto/Kconfig
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@ -14,7 +14,7 @@ config CRYPTO_CURVE25519_X86
- ADX (large integer arithmetic) - ADX (large integer arithmetic)
config CRYPTO_AES_NI_INTEL config CRYPTO_AES_NI_INTEL
tristate "Ciphers: AES, modes: ECB, CBC, CTS, CTR, XTR, XTS, GCM (AES-NI)" tristate "Ciphers: AES, modes: ECB, CBC, CTS, CTR, XCTR, XTS, GCM (AES-NI/VAES)"
depends on X86 depends on X86
select CRYPTO_AEAD select CRYPTO_AEAD
select CRYPTO_LIB_AES select CRYPTO_LIB_AES
@ -25,10 +25,14 @@ config CRYPTO_AES_NI_INTEL
help help
Block cipher: AES cipher algorithms Block cipher: AES cipher algorithms
AEAD cipher: AES with GCM AEAD cipher: AES with GCM
Length-preserving ciphers: AES with ECB, CBC, CTS, CTR, XTR, XTS Length-preserving ciphers: AES with ECB, CBC, CTS, CTR, XCTR, XTS
Architecture: x86 (32-bit and 64-bit) using: Architecture: x86 (32-bit and 64-bit) using:
- AES-NI (AES new instructions) - AES-NI (AES new instructions)
- VAES (Vector AES)
Some algorithm implementations are supported only in 64-bit builds,
and some have additional prerequisites such as AVX2 or AVX512.
config CRYPTO_BLOWFISH_X86_64 config CRYPTO_BLOWFISH_X86_64
tristate "Ciphers: Blowfish, modes: ECB, CBC" tristate "Ciphers: Blowfish, modes: ECB, CBC"

2
arch/x86/crypto/aesni-intel_glue.c
View File

@ -1750,6 +1750,6 @@ static void __exit aesni_exit(void)
late_initcall(aesni_init); late_initcall(aesni_init);
module_exit(aesni_exit); module_exit(aesni_exit);
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, Intel AES-NI instructions optimized"); MODULE_DESCRIPTION("AES cipher and modes, optimized with AES-NI or VAES instructions");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
MODULE_ALIAS_CRYPTO("aes"); MODULE_ALIAS_CRYPTO("aes");