From ad49fa11916e86b4f28d561e288b44895787e240 Mon Sep 17 00:00:00 2001
From: Dmitry Belyavskiy <beldmit@gmail.com>
Date: Wed, 19 Sep 2018 17:30:44 +0300
Subject: [PATCH] Result check

---
 gost_grasshopper_cipher.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gost_grasshopper_cipher.c b/gost_grasshopper_cipher.c
index ba72d79..21d5038 100644
--- a/gost_grasshopper_cipher.c
+++ b/gost_grasshopper_cipher.c
@@ -776,7 +776,7 @@ int gost_grasshopper_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg,
             c = &(ctr_ctx->c);
 
             if (gost_tlstree(NID_grasshopper_cbc, c->master_key.k.b, newkey,
-                             (const unsigned char *)ptr)) {
+                             (const unsigned char *)ptr) > 0) {
                 gost_grasshopper_cipher_key(c, newkey);
                 return 1;
             }
-- 
2.39.2