X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=pygost%2Fmgm.py;h=aabce95bbd04ad9504505352350cee8cff53179b;hb=ade04d6c0456bb39793e8b3547ac99aeffe8af73;hp=340fae6eb9617f311cf13114b5512181d5a0de51;hpb=03de94212cd7c039e6a7f4f947fbd2d7d6c9b70e;p=pygost.git

diff --git a/pygost/mgm.py b/pygost/mgm.py
index 340fae6..aabce95 100644
--- a/pygost/mgm.py
+++ b/pygost/mgm.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # PyGOST -- Pure Python GOST cryptographic functions library
-# Copyright (C) 2015-2020 Sergey Matveev <stargrave@stargrave.org>
+# Copyright (C) 2015-2021 Sergey Matveev <stargrave@stargrave.org>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -58,7 +58,7 @@ class MGM(object):
         """
         if bs not in (8, 16):
             raise ValueError("Only 64/128-bit blocksizes allowed")
-        self.tag_size = bs if tag_size is None else bs
+        self.tag_size = bs if tag_size is None else tag_size
         if self.tag_size < 4 or self.tag_size > bs:
             raise ValueError("Invalid tag_size")
         self.encrypter = encrypter