# coding: utf-8
# PyGOST -- Pure Python GOST cryptographic functions library
-# Copyright (C) 2015-2018 Sergey Matveev <stargrave@stargrave.org>
+# Copyright (C) 2015-2020 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
from pygost.gost3413 import unpad2
from pygost.utils import hexdec
from pygost.utils import strxor
-from pygost.utils import xrange # pylint: disable=redefined-builtin
+from pygost.utils import xrange
KEYSIZE = 32
)
# S-box parameters
-DEFAULT_SBOX = "Gost28147_CryptoProParamSetA"
+DEFAULT_SBOX = "id-Gost28147-89-CryptoPro-A-ParamSet"
SBOXES = {
- "Gost2814789_TestParamSet": (
+ "id-Gost28147-89-TestParamSet": (
(4, 2, 15, 5, 9, 1, 0, 8, 14, 3, 11, 12, 13, 7, 10, 6),
(12, 9, 15, 14, 8, 1, 3, 10, 2, 7, 4, 13, 6, 0, 11, 5),
(13, 8, 14, 12, 7, 3, 9, 10, 1, 5, 2, 4, 6, 15, 0, 11),
(9, 11, 12, 0, 3, 6, 7, 5, 4, 8, 14, 15, 1, 10, 2, 13),
(12, 6, 5, 2, 11, 0, 9, 13, 3, 14, 7, 10, 15, 4, 1, 8),
),
- "Gost28147_CryptoProParamSetA": (
+ "id-Gost28147-89-CryptoPro-A-ParamSet": (
(9, 6, 3, 2, 8, 11, 1, 7, 10, 4, 14, 15, 12, 0, 13, 5),
(3, 7, 14, 9, 8, 10, 15, 0, 5, 2, 6, 12, 11, 4, 13, 1),
(14, 4, 6, 2, 11, 3, 13, 8, 12, 15, 5, 10, 0, 7, 1, 9),
(1, 13, 2, 9, 7, 10, 6, 0, 8, 12, 4, 5, 15, 3, 11, 14),
(11, 10, 15, 5, 0, 12, 14, 8, 6, 2, 3, 9, 1, 7, 13, 4),
),
- "Gost28147_CryptoProParamSetB": (
+ "id-Gost28147-89-CryptoPro-B-ParamSet": (
(8, 4, 11, 1, 3, 5, 0, 9, 2, 14, 10, 12, 13, 6, 7, 15),
(0, 1, 2, 10, 4, 13, 5, 12, 9, 7, 3, 15, 11, 8, 6, 14),
(14, 12, 0, 10, 9, 2, 13, 11, 7, 5, 8, 15, 3, 6, 1, 4),
(5, 2, 10, 11, 9, 1, 12, 3, 7, 4, 13, 0, 6, 15, 8, 14),
(0, 4, 11, 14, 8, 3, 7, 1, 10, 2, 9, 6, 15, 13, 5, 12),
),
- "Gost28147_CryptoProParamSetC": (
+ "id-Gost28147-89-CryptoPro-C-ParamSet": (
(1, 11, 12, 2, 9, 13, 0, 15, 4, 5, 8, 14, 10, 7, 6, 3),
(0, 1, 7, 13, 11, 4, 5, 2, 8, 14, 15, 12, 9, 10, 6, 3),
(8, 2, 5, 0, 4, 9, 15, 10, 3, 7, 12, 13, 6, 14, 1, 11),
(10, 9, 6, 8, 13, 14, 2, 0, 15, 3, 5, 11, 4, 1, 12, 7),
(7, 4, 0, 5, 10, 2, 15, 14, 12, 6, 1, 11, 13, 9, 3, 8),
),
- "Gost28147_CryptoProParamSetD": (
+ "id-Gost28147-89-CryptoPro-D-ParamSet": (
(15, 12, 2, 10, 6, 4, 5, 0, 7, 9, 14, 13, 1, 11, 8, 3),
(11, 6, 3, 4, 12, 15, 14, 2, 7, 13, 8, 0, 5, 10, 9, 1),
(1, 12, 11, 0, 15, 14, 6, 5, 10, 13, 4, 8, 9, 3, 7, 2),
(3, 0, 6, 15, 1, 14, 9, 2, 13, 8, 12, 4, 11, 10, 5, 7),
(1, 10, 6, 8, 15, 11, 0, 4, 12, 3, 5, 9, 7, 13, 2, 14),
),
- "GostR3411_94_TestParamSet": (
+ "id-tc26-gost-28147-param-Z": (
+ (12, 4, 6, 2, 10, 5, 11, 9, 14, 8, 13, 7, 0, 3, 15, 1),
+ (6, 8, 2, 3, 9, 10, 5, 12, 1, 14, 4, 7, 11, 13, 0, 15),
+ (11, 3, 5, 8, 2, 15, 10, 13, 14, 1, 7, 4, 12, 9, 6, 0),
+ (12, 8, 2, 1, 13, 4, 15, 6, 7, 0, 10, 5, 3, 14, 9, 11),
+ (7, 15, 5, 10, 8, 1, 6, 13, 0, 9, 3, 14, 11, 4, 2, 12),
+ (5, 13, 15, 6, 9, 2, 12, 10, 11, 7, 8, 1, 4, 3, 14, 0),
+ (8, 14, 2, 5, 6, 9, 1, 12, 15, 4, 11, 0, 13, 10, 3, 7),
+ (1, 7, 14, 13, 0, 5, 8, 3, 4, 15, 10, 6, 9, 12, 11, 2),
+ ),
+ "id-GostR3411-94-TestParamSet": (
(4, 10, 9, 2, 13, 8, 0, 14, 6, 11, 1, 12, 7, 15, 5, 3),
(14, 11, 4, 12, 6, 13, 15, 10, 2, 3, 8, 1, 0, 7, 5, 9),
(5, 8, 1, 13, 10, 3, 4, 2, 14, 15, 12, 7, 6, 0, 9, 11),
(13, 11, 4, 1, 3, 15, 5, 9, 0, 10, 14, 7, 6, 8, 2, 12),
(1, 15, 13, 0, 5, 7, 10, 4, 9, 2, 3, 14, 6, 11, 8, 12),
),
- "GostR3411_94_CryptoProParamSet": (
+ "id-GostR3411-94-CryptoProParamSet": (
(10, 4, 5, 6, 8, 1, 3, 7, 13, 12, 14, 0, 9, 2, 11, 15),
(5, 15, 4, 0, 2, 13, 11, 9, 1, 7, 6, 3, 12, 14, 10, 8),
(7, 15, 12, 14, 9, 4, 1, 0, 3, 11, 5, 2, 6, 10, 8, 13),
(13, 14, 4, 1, 7, 0, 5, 10, 3, 12, 8, 15, 6, 2, 9, 11),
(1, 3, 10, 9, 5, 11, 4, 15, 8, 6, 7, 14, 13, 0, 2, 12),
),
- "Gost28147_tc26_ParamZ": (
- (12, 4, 6, 2, 10, 5, 11, 9, 14, 8, 13, 7, 0, 3, 15, 1),
- (6, 8, 2, 3, 9, 10, 5, 12, 1, 14, 4, 7, 11, 13, 0, 15),
- (11, 3, 5, 8, 2, 15, 10, 13, 14, 1, 7, 4, 12, 9, 6, 0),
- (12, 8, 2, 1, 13, 4, 15, 6, 7, 0, 10, 5, 3, 14, 9, 11),
- (7, 15, 5, 10, 8, 1, 6, 13, 0, 9, 3, 14, 11, 4, 2, 12),
- (5, 13, 15, 6, 9, 2, 12, 10, 11, 7, 8, 1, 4, 3, 14, 0),
- (8, 14, 2, 5, 6, 9, 1, 12, 15, 4, 11, 0, 13, 10, 3, 7),
- (1, 7, 14, 13, 0, 5, 8, 3, 4, 15, 10, 6, 9, 12, 11, 2),
- ),
"EACParamSet": (
(11, 4, 8, 10, 9, 7, 0, 3, 1, 6, 2, 15, 14, 5, 12, 13),
(1, 7, 14, 9, 11, 3, 15, 12, 0, 5, 4, 6, 13, 10, 8, 2),
(7, 14, 12, 13, 9, 4, 8, 15, 10, 2, 6, 0, 3, 11, 5, 1),
),
}
-SBOXES["AppliedCryptography"] = SBOXES["GostR3411_94_TestParamSet"]
+SBOXES["AppliedCryptography"] = SBOXES["id-GostR3411-94-TestParamSet"]
def _K(s, _in):
def addmod(x, y, mod=2 ** 32):
""" Modulo adding of two integers
"""
- r = x + y
- return r if r < mod else r - mod
+ return (x + y) % mod
def _shift11(x):