crypto: sha512 - Create module providing optimized SHA512 routines using SSSE3, AVX or AVX2 instructions.

We added glue code and config options to create crypto
module that uses SSE/AVX/AVX2 optimized SHA512 x86_64 assembly routines.

Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 11 insertions, 0 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 8064ef1fedc4..a654b13ae004 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -481,6 +481,17 @@ config CRYPTO_SHA256_SSSE3
           Extensions version 1 (AVX1), or Advanced Vector Extensions
           version 2 (AVX2) instructions, when available.
 
+config CRYPTO_SHA512_SSSE3
+        tristate "SHA512 digest algorithm (SSSE3/AVX/AVX2)"
+        depends on X86 && 64BIT
+        select CRYPTO_SHA512
+        select CRYPTO_HASH
+        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.
+
 config CRYPTO_SHA1_SPARC64
         tristate "SHA1 digest algorithm (SPARC64)"
         depends on SPARC64