From: Andy Polyakov <appro@openssl.org>
Date: Mon, 13 Aug 2012 16:36:51 +0000 (+0000)
Subject: gosthash.c: use memmove in circle_xor8, as input pointers can be equal.
X-Git-Tag: master-pre-reformat~1679
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=99e59d634a16502106bb926699c49c9703ab8981;p=openssl

gosthash.c: use memmove in circle_xor8, as input pointers can be equal.

PR: 2858
---

diff --git a/engines/ccgost/gosthash.c b/engines/ccgost/gosthash.c
index a5c0662ffc..2a458b92ba 100644
--- a/engines/ccgost/gosthash.c
+++ b/engines/ccgost/gosthash.c
@@ -42,8 +42,8 @@ static void circle_xor8 (const byte *w, byte *k)
 	byte buf[8];
 	int i;
 	memcpy(buf,w,8);
-	memcpy(k,w+8,24);
-	for(i=0;i<8;i++) 
+	memmove(k,w+8,24);
+	for(i=0;i<8;i++)
 		k[i+24]=buf[i]^k[i];
 	}