From: Dr. Stephen Henson <steve@openssl.org>
Date: Mon, 15 Feb 2010 19:01:56 +0000 (+0000)
Subject: PR: 2164
X-Git-Tag: OpenSSL_1_0_0~53
X-Git-Url: https://git.openssl.org/?p=openssl.git;a=commitdiff_plain;h=edb7cac271ce4144a9696eaecf40a471736a07d1;ds=sidebyside

PR: 2164
Submitted by: "Noszticzius, Istvan" <inoszticzius@rightnow.com>

Don't clear the output buffer: ciphers should correctly the same input
and output buffers.
---

diff --git a/crypto/modes/cfb128.c b/crypto/modes/cfb128.c
index b6d1e886b9..98f4cf315c 100644
--- a/crypto/modes/cfb128.c
+++ b/crypto/modes/cfb128.c
@@ -224,7 +224,6 @@ void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
     assert(in && out && key && ivec && num);
     assert(*num == 0);
 
-    memset(out,0,(bits+7)/8);
     for(n=0 ; n<bits ; ++n)
 	{
 	c[0]=(in[n/8]&(1 << (7-n%8))) ? 0x80 : 0;