X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=pygost%2Fgost3410.py;h=8103af0641ae929b30bce50beeb9355256f45dd9;hb=21a30721c31912c296e1faced73e2fd0db191be9;hp=84881b699a2ac5e56b47b19d8d2c459035928d7e;hpb=9b43fc211fc6f4d2ee95d5716fc7e010dd800a26;p=pygost.git

diff --git a/pygost/gost3410.py b/pygost/gost3410.py
index 84881b6..8103af0 100644
--- a/pygost/gost3410.py
+++ b/pygost/gost3410.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # PyGOST -- Pure Python GOST cryptographic functions library
-# Copyright (C) 2015-2016 Sergey Matveev <stargrave@stargrave.org>
+# Copyright (C) 2015-2019 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
@@ -162,9 +162,9 @@ class GOST3410Curve(object):
         y = y or self.y
         tx = x
         ty = y
-        degree -= 1
         if degree == 0:
             raise ValueError("Bad degree value")
+        degree -= 1
         while degree != 0:
             if degree & 1 == 1:
                 tx, ty = self._add(tx, ty, x, y)