md5: correct size arg to memset().

On realistic targets the effect of the error was that the MD5 context
wasn't fully cleared.

Signed-off-by: Richard Kettlewell <rjk@terraraq.org.uk>
(cherry picked from commit dfa6ab137e7565bd1afc03b045fff4aa737a7c9e)

diff --git a/md5.c b/md5.c
index 71fb4f1272c9ad95cdf7a2e3c33b454597396bfe..8c57e25a65b5de95ac1a4d6dfbe652c252215ac4 100644 (file)
--- a/md5.c
+++ b/md5.c
@@ -129,7 +129,7 @@ MD5Final(md5byte digest[16], struct MD5Context *ctx)
 
        byteSwap(ctx->buf, 4);
        memcpy(digest, ctx->buf, 16);
-       memset(ctx, 0, sizeof(ctx));    /* In case it's sensitive */
+       memset(ctx, 0, sizeof *ctx);    /* In case it's sensitive */
 }
 
 #ifndef ASM_MD5