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-rw-r--r--block-sha1/sha1.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block-sha1/sha1.c b/block-sha1/sha1.c
index 53c93ba..5bf1b36 100644
--- a/block-sha1/sha1.c
+++ b/block-sha1/sha1.c
@@ -112,7 +112,7 @@ void blk_SHA1_Final(unsigned char hashout[20], blk_SHA_CTX *ctx)
#define T_0_15(t) SHA_ROUND(t, SHA_SRC, (((C^D)&B)^D) , 0x5a827999 )
#define T_16_19(t) SHA_ROUND(t, SHA_MIX, (((C^D)&B)^D) , 0x5a827999 )
#define T_20_39(t) SHA_ROUND(t, SHA_MIX, (B^C^D) , 0x6ed9eba1 )
-#define T_40_59(t) SHA_ROUND(t, SHA_MIX, ((B&C)|(D&(B|C))) , 0x8f1bbcdc )
+#define T_40_59(t) SHA_ROUND(t, SHA_MIX, ((B&C)+(D&(B^C))) , 0x8f1bbcdc )
#define T_60_79(t) SHA_ROUND(t, SHA_MIX, (B^C^D) , 0xca62c1d6 )
static void blk_SHA1Block(blk_SHA_CTX *ctx, const unsigned int *data)