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authorHerbert Xu <herbert@gondor.apana.org.au>2005-12-21 19:01:58 +0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-01-09 14:15:56 -0800
commitbcb0ad2b34daade529ce1f38eede0ea8b7309535 (patch)
tree5f09892e3031dc3c94304f563e91baa1b3438d6a /crypto/sha1.c
parentafad2608c766f53c79ec4ffccdb4bef660b90a89 (diff)
downloadlinux-bcb0ad2b34daade529ce1f38eede0ea8b7309535.tar.gz
[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>
Diffstat (limited to 'crypto/sha1.c')
-rw-r--r--crypto/sha1.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/sha1.c b/crypto/sha1.c
index 8048e2dd3c14..21571ed35b7e 100644
--- a/crypto/sha1.c
+++ b/crypto/sha1.c
@@ -61,8 +61,8 @@ static void sha1_update(void *ctx, const u8 *data, unsigned int len)
 		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;
 		}