From: Dmitry Belyavskiy <beldmit@gmail.com>
Date: Sat, 22 Aug 2020 15:47:17 +0000 (+0300)
Subject: Fix coverity #305799
X-Git-Tag: v3.0.0~71
X-Git-Url: http://wagner.pp.ru/gitweb/?a=commitdiff_plain;h=6f3aff5a40f3a9e249d3d36d0ce9a27a64a688a9;p=openssl-gost%2Fengine.git

Fix coverity #305799
---

diff --git a/gost_ameth.c b/gost_ameth.c
index c31ef9a..4a95de4 100644
--- a/gost_ameth.c
+++ b/gost_ameth.c
@@ -973,7 +973,7 @@ static int pub_encode_gost_ec(X509_PUBKEY *pub, const EVP_PKEY *pk)
     pval = params;
 
     order = BN_new();
-    if (!order) {
+    if (order == NULL || EC_GROUP_get_order(EC_KEY_get0_group(ec), order, NULL) == 0) {
         GOSTerr(GOST_F_PUB_ENCODE_GOST_EC, ERR_R_MALLOC_FAILURE);
         goto err;
     }