From: tedu <tedu@openbsd.org>
Date: Tue, 6 May 2014 15:37:57 +0000 (+0000)
Subject: clear a stack buffer with explicit_bzero
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=367165dc924c7cc221f463e8f8a349b46348651f;p=openbsd

clear a stack buffer with explicit_bzero
---

diff --git a/lib/libc/crypt/arc4random.c b/lib/libc/crypt/arc4random.c
index 57acc0d56da..57decde1f81 100644
--- a/lib/libc/crypt/arc4random.c
+++ b/lib/libc/crypt/arc4random.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: arc4random.c,v 1.28 2014/05/06 02:31:45 tedu Exp $	*/
+/*	$OpenBSD: arc4random.c,v 1.29 2014/05/06 15:37:57 tedu Exp $	*/
 
 /*
  * Copyright (c) 1996, David Mazieres <dm@uun.org>
@@ -92,7 +92,7 @@ _rs_stir(void)
 		_rs_init(rnd, sizeof(rnd));
 	} else
 		_rs_rekey(rnd, sizeof(rnd));
-	memset(rnd, 0, sizeof(rnd));
+	explicit_bzero(rnd, sizeof(rnd));
 
 	/* invalidate rs_buf */
 	rs_have = 0;