X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=pygost%2Fgost28147_mac.py;h=71bdda63dfb3ba66425c8a66a39f6330e38e6cd5;hb=a9f7e3dfc59a987c3d6cce4108f18d9f6b72867b;hp=164abcb6be67dc984304368057122f927d0ccadf;hpb=c60e57615ac5dc348178acbb01a60cbda983d6d7;p=pygost.git

diff --git a/pygost/gost28147_mac.py b/pygost/gost28147_mac.py
index 164abcb..71bdda6 100644
--- a/pygost/gost28147_mac.py
+++ b/pygost/gost28147_mac.py
@@ -1,11 +1,10 @@
 # coding: utf-8
 # PyGOST -- Pure Python GOST cryptographic functions library
-# Copyright (C) 2015-2016 Sergey Matveev <stargrave@stargrave.org>
+# Copyright (C) 2015-2022 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
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+# the Free Software Foundation, version 3 of the License.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -14,7 +13,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-""" GOST 28147-89 MAC
+"""GOST 28147-89 MAC
 """
 
 from copy import copy
@@ -40,7 +39,7 @@ SEQ_MAC = (
 
 
 class MAC(PEP247):
-    """ GOST 28147-89 MAC mode of operation
+    """GOST 28147-89 MAC mode of operation
 
     >>> m = MAC(key=key)
     >>> m.update("some data")
@@ -71,12 +70,12 @@ class MAC(PEP247):
         return MAC(self.key, copy(self.data), self.iv, self.sbox)
 
     def update(self, data):
-        """ Append data that has to be authenticated
+        """Append data that has to be authenticated
         """
         self.data += data
 
     def digest(self):
-        """ Get MAC tag of supplied data
+        """Get MAC tag of supplied data
 
         You have to provide at least single byte of data.
         If you want to produce tag length of 3 bytes, then