From 4b4e2918099600c1eefe7b5a71bf647803905b7e Mon Sep 17 00:00:00 2001 From: "brian m. carlson" Date: Wed, 14 Nov 2018 04:09:38 +0000 Subject: [PATCH] hash: add an SHA-256 implementation using OpenSSL We already have OpenSSL routines available for SHA-1, so add routines for SHA-256 as well. On a Core i7-6600U, this SHA-256 implementation compares favorably to the SHA1DC SHA-1 implementation: SHA-1: 157 MiB/s (64 byte chunks); 337 MiB/s (16 KiB chunks) SHA-256: 165 MiB/s (64 byte chunks); 408 MiB/s (16 KiB chunks) Signed-off-by: brian m. carlson Signed-off-by: Junio C Hamano --- Makefile | 7 +++++++ hash.h | 2 ++ 2 files changed, 9 insertions(+) diff --git a/Makefile b/Makefile index 3d91555a81..3164e2aeee 100644 --- a/Makefile +++ b/Makefile @@ -183,6 +183,8 @@ all:: # # Define GCRYPT_SHA256 to use the SHA-256 routines in libgcrypt. # +# Define OPENSSL_SHA256 to use the SHA-256 routines in OpenSSL. +# # Define NEEDS_CRYPTO_WITH_SSL if you need -lcrypto when using -lssl (Darwin). # # Define NEEDS_SSL_WITH_CRYPTO if you need -lssl when using -lcrypto (Darwin). @@ -1638,6 +1640,10 @@ endif endif endif +ifdef OPENSSL_SHA256 + EXTLIBS += $(LIB_4_CRYPTO) + BASIC_CFLAGS += -DSHA256_OPENSSL +else ifdef GCRYPT_SHA256 BASIC_CFLAGS += -DSHA256_GCRYPT EXTLIBS += -lgcrypt @@ -1645,6 +1651,7 @@ else LIB_OBJS += sha256/block/sha256.o BASIC_CFLAGS += -DSHA256_BLK endif +endif ifdef SHA1_MAX_BLOCK_SIZE LIB_OBJS += compat/sha1-chunked.o diff --git a/hash.h b/hash.h index 2ef098052d..adde708cf2 100644 --- a/hash.h +++ b/hash.h @@ -17,6 +17,8 @@ #if defined(SHA256_GCRYPT) #include "sha256/gcrypt.h" +#elif defined(SHA256_OPENSSL) +#include #else #include "sha256/block/sha256.h" #endif