From: Dr. Stephen Henson <steve@openssl.org>
Date: Wed, 14 Apr 2010 00:33:06 +0000 (+0000)
Subject: fix bug in ccgost CFB mode code
X-Git-Tag: OpenSSL-fips-2_0-rc1~1131
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5d1a50ac2a1bf1ef36102f17fd43e988d03cf7ec;p=openssl

fix bug in ccgost CFB mode code
---

diff --git a/engines/ccgost/gost_crypt.c b/engines/ccgost/gost_crypt.c
index 44f4e49bc9..4977d1dcf5 100644
--- a/engines/ccgost/gost_crypt.c
+++ b/engines/ccgost/gost_crypt.c
@@ -299,7 +299,7 @@ int	gost_cipher_do_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out,
 	if (i<inl)
 		{
 		gost_crypt_mesh(ctx->cipher_data,ctx->iv,ctx->buf);
-		if (!ctx->encrypt) memcpy(ctx->buf+8,in_ptr,j);
+		if (!ctx->encrypt) memcpy(ctx->buf+8,in_ptr,inl-i);
 		for (j=0;i<inl;j++,i++)
 			{
 			out_ptr[j]=ctx->buf[j]^in_ptr[j];