From: Dr. Stephen Henson <steve@openssl.org>
Date: Sat, 22 May 2010 00:40:58 +0000 (+0000)
Subject: PR: 2254
X-Git-Tag: OpenSSL_1_0_0a~13
X-Git-Url: https://git.openssl.org/?p=openssl.git;a=commitdiff_plain;h=dce2b5a8fc9fc9cb2283478595db3a46f0c41d14

PR: 2254
Submitted by: Ger Hobbelt <ger@hobbelt.com>
Approved by: steve@openssl.org

Check for <= 0 i2d return value.
---

diff --git a/engines/ccgost/gost94_keyx.c b/engines/ccgost/gost94_keyx.c
index a183edbe8b..624be586a5 100644
--- a/engines/ccgost/gost94_keyx.c
+++ b/engines/ccgost/gost94_keyx.c
@@ -177,7 +177,7 @@ int pkey_GOST94cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
 	ASN1_OBJECT_free(gkt->key_agreement_info->cipher);
 	gkt->key_agreement_info->cipher = OBJ_nid2obj(param->nid);
 	*outlen = i2d_GOST_KEY_TRANSPORT(gkt,out?&out:NULL);
-	if (*outlen == 0)
+	if (*outlen <= 0)
 		{
 		GOSTerr(GOST_F_PKEY_GOST94CP_ENCRYPT,GOST_R_ERROR_PACKING_KEY_TRANSPORT_INFO);
 		goto err;