Enable BLAKE2_SSE2_Compress32 and BLAKE2_SSE4_Compress32. Add static function pointer for one-time initialization

1 files changed, 4 insertions, 2 deletions

diff --git a/blake2.h b/blake2.h
index 12b4efb4..fe4628dd 100644
--- a/blake2.h
+++ b/blake2.h
@@ -1,4 +1,5 @@
-// blake2.cpp - written and placed in the public domain by Jeffrey Walton and Zooko Wilcox-O'Hearn

+// blake2.cpp - written and placed in the public domain by Jeffrey Walton and Zooko

+//              Wilcox-O'Hearn. Copyright assigned to the Crypto++ project.

 //              Based on Aumasson, Neves, Wilcox-O’Hearn and Winnerlein's reference BLAKE2 

 //              implementation at http://github.com/BLAKE2/BLAKE2.

 

@@ -165,7 +166,8 @@ struct CRYPTOPP_NO_VTABLE BLAKE2_State
 		memset(this, 0x00, sizeof(*this)-sizeof(buffer));

 	}

 

-	W t[2], h[8], f[2];

+	// SSE2 and SSE4 depend upon t[] and f[] being side-by-side

+	W h[8], t[2], f[2];

 	size_t length;

 	byte  buffer[BLOCKSIZE];

 };