[linux-pam] Clear the whole MD5 context.

[Tomáš Mráz]

commit 7698a76cf4983fe69944a810305183f1fe6cc031
Author: Tomas Mraz <tmraz(a)fedoraproject.org&gt;
Date:   Mon Mar 21 22:02:16 2011 +0100

    Clear the whole MD5 context.

 ChangeLog              |    3 +++
 modules/pam_unix/md5.c |    2 +-
 2 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 2431818..04072c2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
[phone]  Tomas Mraz  <tm(a)t8m.info&gt;
+	* modules/pam_unix/md5.c (MD5Final): Clear the whole ctx.
+
 2011-03-18  Tomas Mraz  <tm(a)t8m.info&gt;
 
 	* modules/pam_namespace/md5.c (MD5Final): Clear the whole ctx.
diff --git a/modules/pam_unix/md5.c b/modules/pam_unix/md5.c
index d88d681..94d1c9d 100644
--- a/modules/pam_unix/md5.c
+++ b/modules/pam_unix/md5.c
@@ -148,7 +148,7 @@ void MD5Name(MD5Final)(unsigned char digest[16], struct MD5Context
*ctx)
 	MD5Name(MD5Transform)(ctx->buf, (uint32 *) ctx->in);
 	byteReverse((unsigned char *) 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