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crypto: x86/sha - Add build support for Intel SHA Extensions optimized SHA1 and SHA256

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This patch provides the configuration and build support to
include and build the optimized SHA1 and SHA256 update transforms
for the kernel's crypto library.

Originally-by: Chandramouli Narayanan <[email protected]>
Signed-off-by: Tim Chen <[email protected]>
Acked-by: David S. Miller <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
tim 2015-09-10 15:27:26 -07:00 • committed by Herbert Xu
commit e38b6b7fcf
3 changed files with 18 additions and 6 deletions
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10
crypto/Kconfig
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@ -597,17 +597,18 @@ config CRYPTO_SHA1
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
config CRYPTO_SHA1_SSSE3
tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2)"
tristate "SHA1 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)"
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/AVX2), when available.
Extensions (AVX/AVX2) or SHA-NI(SHA Extensions New Instructions),
when available.
config CRYPTO_SHA256_SSSE3
tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2)"
tristate "SHA256 digest algorithm (SSSE3/AVX/AVX2/SHA-NI)"
depends on X86 && 64BIT
select CRYPTO_SHA256
select CRYPTO_HASH
@ -615,7 +616,8 @@ config CRYPTO_SHA256_SSSE3
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.
version 2 (AVX2) instructions, or SHA-NI (SHA Extensions New
Instructions) when available.
config CRYPTO_SHA512_SSSE3
tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)"