From 5d5cf4ef13193928b9a3e5964ead3a023b13c591 Mon Sep 17 00:00:00 2001
From: Dmitry Belyavskiy <beldmit@gmail.com>
Date: Tue, 7 May 2019 11:20:39 +0300
Subject: [PATCH] Bug fixed

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

diff --git a/gost_grasshopper_cipher.c b/gost_grasshopper_cipher.c
index 14b09dd..081a148 100644
--- a/gost_grasshopper_cipher.c
+++ b/gost_grasshopper_cipher.c
@@ -784,6 +784,7 @@ int gost_grasshopper_cipher_do_mgm(EVP_CIPHER_CTX *ctx, unsigned char *out,
 			/* Process last block */
 			c->ad_length = n;
 			n = 0;
+			rest_len = 0;
 			EVP_CIPHER_CTX_set_num(ctx, 0);
 			c->mgm_state = mgm_main_data;
 
-- 
2.39.2