Avoid extra ByteReverse when using Intel SHA extensions

This gains about 0.6 cpb. SHA-1 is down to 1.7 to 1.9 cpb. SHA-256 is not affected

1 files changed, 3 insertions, 0 deletions

diff --git a/sha.h b/sha.h
index 806317d4..7660909e 100644
--- a/sha.h
+++ b/sha.h
@@ -25,6 +25,9 @@ NAMESPACE_BEGIN(CryptoPP)
 class CRYPTOPP_DLL SHA1 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA1>

 {

 public:

+#if CRYPTOPP_BOOL_SSE_SHA_INTRINSICS_AVAILABLE

+	size_t HashMultipleBlocks(const word32 *input, size_t length);

+#endif

 	static void CRYPTOPP_API InitState(HashWordType *state);

 	static void CRYPTOPP_API Transform(word32 *digest, const word32 *data);

 	CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "SHA-1";}