gosthash.c: use memmove in circle_xor8, as input pointers can be equal.
authorAndy Polyakov <appro@openssl.org>
Mon, 13 Aug 2012 16:36:51 +0000 (16:36 +0000)
committerAndy Polyakov <appro@openssl.org>
Mon, 13 Aug 2012 16:36:51 +0000 (16:36 +0000)
PR: 2858

engines/ccgost/gosthash.c

index a5c0662..2a458b9 100644 (file)
@@ -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];
        }