# coding: utf-8 # PyGOST -- Pure Python GOST cryptographic functions library # Copyright (C) 2015-2016 Sergey Matveev # # 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. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . from os import urandom from unittest import TestCase from pygost.gost3410 import CURVE_PARAMS from pygost.gost3410 import GOST3410Curve from pygost.gost3410 import public_key from pygost.gost3410 import sign from pygost.gost3410 import verify from pygost.utils import bytes2long from pygost.utils import long2bytes class Test341001(TestCase): def test_rfc(self): """ Test vector from :rfc:`5832` """ private_key = bytes(bytearray(( 0x7A, 0x92, 0x9A, 0xDE, 0x78, 0x9B, 0xB9, 0xBE, 0x10, 0xED, 0x35, 0x9D, 0xD3, 0x9A, 0x72, 0xC1, 0x1B, 0x60, 0x96, 0x1F, 0x49, 0x39, 0x7E, 0xEE, 0x1D, 0x19, 0xCE, 0x98, 0x91, 0xEC, 0x3B, 0x28 ))) public_key_x = bytes(bytearray(( 0x7F, 0x2B, 0x49, 0xE2, 0x70, 0xDB, 0x6D, 0x90, 0xD8, 0x59, 0x5B, 0xEC, 0x45, 0x8B, 0x50, 0xC5, 0x85, 0x85, 0xBA, 0x1D, 0x4E, 0x9B, 0x78, 0x8F, 0x66, 0x89, 0xDB, 0xD8, 0xE5, 0x6F, 0xD8, 0x0B ))) public_key_y = bytes(bytearray(( 0x26, 0xF1, 0xB4, 0x89, 0xD6, 0x70, 0x1D, 0xD1, 0x85, 0xC8, 0x41, 0x3A, 0x97, 0x7B, 0x3C, 0xBB, 0xAF, 0x64, 0xD1, 0xC5, 0x93, 0xD2, 0x66, 0x27, 0xDF, 0xFB, 0x10, 0x1A, 0x87, 0xFF, 0x77, 0xDA ))) digest = bytes(bytearray(( 0x2D, 0xFB, 0xC1, 0xB3, 0x72, 0xD8, 0x9A, 0x11, 0x88, 0xC0, 0x9C, 0x52, 0xE0, 0xEE, 0xC6, 0x1F, 0xCE, 0x52, 0x03, 0x2A, 0xB1, 0x02, 0x2E, 0x8E, 0x67, 0xEC, 0xE6, 0x67, 0x2B, 0x04, 0x3E, 0xE5 ))) signature = bytes(bytearray(( 0x41, 0xAA, 0x28, 0xD2, 0xF1, 0xAB, 0x14, 0x82, 0x80, 0xCD, 0x9E, 0xD5, 0x6F, 0xED, 0xA4, 0x19, 0x74, 0x05, 0x35, 0x54, 0xA4, 0x27, 0x67, 0xB8, 0x3A, 0xD0, 0x43, 0xFD, 0x39, 0xDC, 0x04, 0x93, 0x01, 0x45, 0x6C, 0x64, 0xBA, 0x46, 0x42, 0xA1, 0x65, 0x3C, 0x23, 0x5A, 0x98, 0xA6, 0x02, 0x49, 0xBC, 0xD6, 0xD3, 0xF7, 0x46, 0xB6, 0x31, 0xDF, 0x92, 0x80, 0x14, 0xF6, 0xC5, 0xBF, 0x9C, 0x40 ))) private_key = bytes2long(private_key) signature = signature[32:] + signature[:32] c = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"]) pubX, pubY = public_key(c, private_key) self.assertEqual(long2bytes(pubX), public_key_x) self.assertEqual(long2bytes(pubY), public_key_y) s = sign(c, private_key, digest) self.assertTrue(verify(c, (pubX, pubY), digest, s)) self.assertTrue(verify(c, (pubX, pubY), digest, signature)) def test_sequence(self): c = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"]) private_key = bytes2long(urandom(32)) pubX, pubY = public_key(c, private_key) for _ in range(20): digest = urandom(32) s = sign(c, private_key, digest, mode=2001) self.assertTrue(verify(c, (pubX, pubY), digest, s, mode=2001)) class Test34102012(TestCase): def test_gcl3(self): """ Test vector from libgcl3 """ p = bytes(bytearray(( 0x45, 0x31, 0xAC, 0xD1, 0xFE, 0x00, 0x23, 0xC7, 0x55, 0x0D, 0x26, 0x7B, 0x6B, 0x2F, 0xEE, 0x80, 0x92, 0x2B, 0x14, 0xB2, 0xFF, 0xB9, 0x0F, 0x04, 0xD4, 0xEB, 0x7C, 0x09, 0xB5, 0xD2, 0xD1, 0x5D, 0xF1, 0xD8, 0x52, 0x74, 0x1A, 0xF4, 0x70, 0x4A, 0x04, 0x58, 0x04, 0x7E, 0x80, 0xE4, 0x54, 0x6D, 0x35, 0xB8, 0x33, 0x6F, 0xAC, 0x22, 0x4D, 0xD8, 0x16, 0x64, 0xBB, 0xF5, 0x28, 0xBE, 0x63, 0x73 ))) q = bytes(bytearray(( 0x45, 0x31, 0xAC, 0xD1, 0xFE, 0x00, 0x23, 0xC7, 0x55, 0x0D, 0x26, 0x7B, 0x6B, 0x2F, 0xEE, 0x80, 0x92, 0x2B, 0x14, 0xB2, 0xFF, 0xB9, 0x0F, 0x04, 0xD4, 0xEB, 0x7C, 0x09, 0xB5, 0xD2, 0xD1, 0x5D, 0xA8, 0x2F, 0x2D, 0x7E, 0xCB, 0x1D, 0xBA, 0xC7, 0x19, 0x90, 0x5C, 0x5E, 0xEC, 0xC4, 0x23, 0xF1, 0xD8, 0x6E, 0x25, 0xED, 0xBE, 0x23, 0xC5, 0x95, 0xD6, 0x44, 0xAA, 0xF1, 0x87, 0xE6, 0xE6, 0xDF ))) a = bytes(bytearray(( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07 ))) b = bytes(bytearray(( 0x1C, 0xFF, 0x08, 0x06, 0xA3, 0x11, 0x16, 0xDA, 0x29, 0xD8, 0xCF, 0xA5, 0x4E, 0x57, 0xEB, 0x74, 0x8B, 0xC5, 0xF3, 0x77, 0xE4, 0x94, 0x00, 0xFD, 0xD7, 0x88, 0xB6, 0x49, 0xEC, 0xA1, 0xAC, 0x43, 0x61, 0x83, 0x40, 0x13, 0xB2, 0xAD, 0x73, 0x22, 0x48, 0x0A, 0x89, 0xCA, 0x58, 0xE0, 0xCF, 0x74, 0xBC, 0x9E, 0x54, 0x0C, 0x2A, 0xDD, 0x68, 0x97, 0xFA, 0xD0, 0xA3, 0x08, 0x4F, 0x30, 0x2A, 0xDC ))) x = bytes(bytearray(( 0x24, 0xD1, 0x9C, 0xC6, 0x45, 0x72, 0xEE, 0x30, 0xF3, 0x96, 0xBF, 0x6E, 0xBB, 0xFD, 0x7A, 0x6C, 0x52, 0x13, 0xB3, 0xB3, 0xD7, 0x05, 0x7C, 0xC8, 0x25, 0xF9, 0x10, 0x93, 0xA6, 0x8C, 0xD7, 0x62, 0xFD, 0x60, 0x61, 0x12, 0x62, 0xCD, 0x83, 0x8D, 0xC6, 0xB6, 0x0A, 0xA7, 0xEE, 0xE8, 0x04, 0xE2, 0x8B, 0xC8, 0x49, 0x97, 0x7F, 0xAC, 0x33, 0xB4, 0xB5, 0x30, 0xF1, 0xB1, 0x20, 0x24, 0x8A, 0x9A ))) y = bytes(bytearray(( 0x2B, 0xB3, 0x12, 0xA4, 0x3B, 0xD2, 0xCE, 0x6E, 0x0D, 0x02, 0x06, 0x13, 0xC8, 0x57, 0xAC, 0xDD, 0xCF, 0xBF, 0x06, 0x1E, 0x91, 0xE5, 0xF2, 0xC3, 0xF3, 0x24, 0x47, 0xC2, 0x59, 0xF3, 0x9B, 0x2C, 0x83, 0xAB, 0x15, 0x6D, 0x77, 0xF1, 0x49, 0x6B, 0xF7, 0xEB, 0x33, 0x51, 0xE1, 0xEE, 0x4E, 0x43, 0xDC, 0x1A, 0x18, 0xB9, 0x1B, 0x24, 0x64, 0x0B, 0x6D, 0xBB, 0x92, 0xCB, 0x1A, 0xDD, 0x37, 0x1E ))) private_key = bytes(bytearray(( 0x0B, 0xA6, 0x04, 0x8A, 0xAD, 0xAE, 0x24, 0x1B, 0xA4, 0x09, 0x36, 0xD4, 0x77, 0x56, 0xD7, 0xC9, 0x30, 0x91, 0xA0, 0xE8, 0x51, 0x46, 0x69, 0x70, 0x0E, 0xE7, 0x50, 0x8E, 0x50, 0x8B, 0x10, 0x20, 0x72, 0xE8, 0x12, 0x3B, 0x22, 0x00, 0xA0, 0x56, 0x33, 0x22, 0xDA, 0xD2, 0x82, 0x7E, 0x27, 0x14, 0xA2, 0x63, 0x6B, 0x7B, 0xFD, 0x18, 0xAA, 0xDF, 0xC6, 0x29, 0x67, 0x82, 0x1F, 0xA1, 0x8D, 0xD4 ))) public_key_x = bytes(bytearray(( 0x11, 0x5D, 0xC5, 0xBC, 0x96, 0x76, 0x0C, 0x7B, 0x48, 0x59, 0x8D, 0x8A, 0xB9, 0xE7, 0x40, 0xD4, 0xC4, 0xA8, 0x5A, 0x65, 0xBE, 0x33, 0xC1, 0x81, 0x5B, 0x5C, 0x32, 0x0C, 0x85, 0x46, 0x21, 0xDD, 0x5A, 0x51, 0x58, 0x56, 0xD1, 0x33, 0x14, 0xAF, 0x69, 0xBC, 0x5B, 0x92, 0x4C, 0x8B, 0x4D, 0xDF, 0xF7, 0x5C, 0x45, 0x41, 0x5C, 0x1D, 0x9D, 0xD9, 0xDD, 0x33, 0x61, 0x2C, 0xD5, 0x30, 0xEF, 0xE1 ))) public_key_y = bytes(bytearray(( 0x37, 0xC7, 0xC9, 0x0C, 0xD4, 0x0B, 0x0F, 0x56, 0x21, 0xDC, 0x3A, 0xC1, 0xB7, 0x51, 0xCF, 0xA0, 0xE2, 0x63, 0x4F, 0xA0, 0x50, 0x3B, 0x3D, 0x52, 0x63, 0x9F, 0x5D, 0x7F, 0xB7, 0x2A, 0xFD, 0x61, 0xEA, 0x19, 0x94, 0x41, 0xD9, 0x43, 0xFF, 0xE7, 0xF0, 0xC7, 0x0A, 0x27, 0x59, 0xA3, 0xCD, 0xB8, 0x4C, 0x11, 0x4E, 0x1F, 0x93, 0x39, 0xFD, 0xF2, 0x7F, 0x35, 0xEC, 0xA9, 0x36, 0x77, 0xBE, 0xEC ))) digest = bytes(bytearray(( 0x37, 0x54, 0xF3, 0xCF, 0xAC, 0xC9, 0xE0, 0x61, 0x5C, 0x4F, 0x4A, 0x7C, 0x4D, 0x8D, 0xAB, 0x53, 0x1B, 0x09, 0xB6, 0xF9, 0xC1, 0x70, 0xC5, 0x33, 0xA7, 0x1D, 0x14, 0x70, 0x35, 0xB0, 0xC5, 0x91, 0x71, 0x84, 0xEE, 0x53, 0x65, 0x93, 0xF4, 0x41, 0x43, 0x39, 0x97, 0x6C, 0x64, 0x7C, 0x5D, 0x5A, 0x40, 0x7A, 0xDE, 0xDB, 0x1D, 0x56, 0x0C, 0x4F, 0xC6, 0x77, 0x7D, 0x29, 0x72, 0x07, 0x5B, 0x8C ))) signature = bytes(bytearray(( 0x2F, 0x86, 0xFA, 0x60, 0xA0, 0x81, 0x09, 0x1A, 0x23, 0xDD, 0x79, 0x5E, 0x1E, 0x3C, 0x68, 0x9E, 0xE5, 0x12, 0xA3, 0xC8, 0x2E, 0xE0, 0xDC, 0xC2, 0x64, 0x3C, 0x78, 0xEE, 0xA8, 0xFC, 0xAC, 0xD3, 0x54, 0x92, 0x55, 0x84, 0x86, 0xB2, 0x0F, 0x1C, 0x9E, 0xC1, 0x97, 0xC9, 0x06, 0x99, 0x85, 0x02, 0x60, 0xC9, 0x3B, 0xCB, 0xCD, 0x9C, 0x5C, 0x33, 0x17, 0xE1, 0x93, 0x44, 0xE1, 0x73, 0xAE, 0x36, 0x10, 0x81, 0xB3, 0x94, 0x69, 0x6F, 0xFE, 0x8E, 0x65, 0x85, 0xE7, 0xA9, 0x36, 0x2D, 0x26, 0xB6, 0x32, 0x5F, 0x56, 0x77, 0x8A, 0xAD, 0xBC, 0x08, 0x1C, 0x0B, 0xFB, 0xE9, 0x33, 0xD5, 0x2F, 0xF5, 0x82, 0x3C, 0xE2, 0x88, 0xE8, 0xC4, 0xF3, 0x62, 0x52, 0x60, 0x80, 0xDF, 0x7F, 0x70, 0xCE, 0x40, 0x6A, 0x6E, 0xEB, 0x1F, 0x56, 0x91, 0x9C, 0xB9, 0x2A, 0x98, 0x53, 0xBD, 0xE7, 0x3E, 0x5B, 0x4A ))) private_key = bytes2long(private_key) signature = signature[64:] + signature[:64] c = GOST3410Curve(p, q, a, b, x, y) pubX, pubY = public_key(c, private_key) self.assertEqual(long2bytes(pubX), public_key_x) self.assertEqual(long2bytes(pubY), public_key_y) s = sign(c, private_key, digest, mode=2012) self.assertTrue(verify(c, (pubX, pubY), digest, s, mode=2012)) self.assertTrue(verify(c, (pubX, pubY), digest, signature, mode=2012)) def test_sequence(self): c = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"]) private_key = bytes2long(urandom(64)) pubX, pubY = public_key(c, private_key) for _ in range(20): digest = urandom(64) s = sign(c, private_key, digest, mode=2012) self.assertTrue(verify(c, (pubX, pubY), digest, s, mode=2012)) self.assertNotIn(b"\x00" * 8, s)