Author: dim
Date: Sat Feb 16 12:52:40 2013
New Revision: 246875
URL: http://svnweb.freebsd.org/changeset/base/246875
Log:
Import change 40eebf235370b6fe6353784ccf01ab92eed062a5 from upstream wpa:
From: Jouni Malinen <j...@w1.fi>
Date: Fri, 15 Jul 2011 13:42:06 +0300
Subject: [PATCH] MD5: Fix clearing of temporary stack memory to use correct
length
sizeof of the structure instead of the pointer was supposed to be used
here. Fix this to clear the full structure at the end of MD5Final().
Found by: clang ToT
Reviewed by: rpaulo
MFC after: 3 days
Modified:
head/contrib/wpa/src/crypto/md5-internal.c
Modified: head/contrib/wpa/src/crypto/md5-internal.c
==============================================================================
--- head/contrib/wpa/src/crypto/md5-internal.c Sat Feb 16 12:48:06 2013
(r246874)
+++ head/contrib/wpa/src/crypto/md5-internal.c Sat Feb 16 12:52:40 2013
(r246875)
@@ -188,7 +188,7 @@ void MD5Final(unsigned char digest[16],
MD5Transform(ctx->buf, (u32 *) ctx->in);
byteReverse((unsigned char *) ctx->buf, 4);
os_memcpy(digest, ctx->buf, 16);
- os_memset(ctx, 0, sizeof(ctx)); /* In case it's sensitive */
+ os_memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */
}
/* The four core functions - F1 is optimized somewhat */
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