From: Andy Polyakov <appro@openssl.org>
Date: Mon, 13 Aug 2012 16:38:43 +0000 (+0000)
Subject: gosthash.c: use memmove in circle_xor8, as input pointers can be equal
X-Git-Tag: OpenSSL_1_0_1d~76
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=f9b48d60f29c2d18bb85533a7a7ee48f4dc9ca4d;p=oweals%2Fopenssl.git

gosthash.c: use memmove in circle_xor8, as input pointers can be equal
[from HEAD].

PR: 2858
---

diff --git a/engines/ccgost/gosthash.c b/engines/ccgost/gosthash.c
index a5c0662ffc..8c278aa645 100644
--- a/engines/ccgost/gosthash.c
+++ b/engines/ccgost/gosthash.c
@@ -42,7 +42,7 @@ static void circle_xor8 (const byte *w, byte *k)
 	byte buf[8];
 	int i;
 	memcpy(buf,w,8);
-	memcpy(k,w+8,24);
+	memmove(k,w+8,24);
 	for(i=0;i<8;i++) 
 		k[i+24]=buf[i]^k[i];
 	}