commit bcb0ad2b34daade529ce1f38eede0ea8b7309535
author Herbert Xu <herbert@gondor.apana.org.au> Wed Dec 21 19:01:58 2005 +0800
committer David S. Miller <davem@sunset.davemloft.net> Mon Jan 09 14:15:56 2006 -0800
tree 5f09892e3031dc3c94304f563e91baa1b3438d6a
parent afad2608c766f53c79ec4ffccdb4bef660b90a89

[CRYPTO] sha1: Fixed off-by-64 bug in sha1_update

After a partial update, the done pointer is off to the right by 64 bytes.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/sha1.c

diff --git a/crypto/sha1.c b/crypto/sha1.c
index 8048e2d..21571ed3 100644
--- a/crypto/sha1.c
+++ b/crypto/sha1.c
@@ -61,8 +61,8 @@
 		u32 temp[SHA_WORKSPACE_WORDS];
 
 		if (partial) {
-			done = 64 - partial;
-			memcpy(sctx->buffer + partial, data, done);
+			done = -partial;
+			memcpy(sctx->buffer + partial, data, done + 64);
 			src = sctx->buffer;
 		}