From a2cdaa4cb68990ee8301f5b605ec2ab2a14c5716 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Thu, 16 Feb 2006 10:08:34 +0000
Subject: [PATCH] (BN_rand): check return value from RAND_bytes

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16747 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/des/bn.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/des/bn.c b/lib/des/bn.c
index d8ded6e7e..859182f9f 100644
--- a/lib/des/bn.c
+++ b/lib/des/bn.c
@@ -337,7 +337,11 @@ BN_rand(BIGNUM *bn, int bits, int top, int bottom)
 	return 0;
     i->length = len;
 
-    RAND_bytes(i->data, i->length);
+    if (RAND_bytes(i->data, i->length) != 1) {
+	free(i->data);
+	i->data = NULL;
+	return 0;
+    }
 
     {
 	size_t i = len * 8;