2 # PyGOST -- Pure Python GOST cryptographic functions library
3 # Copyright (C) 2015-2018 Sergey Matveev <stargrave@stargrave.org>
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 from os import urandom
19 from unittest import TestCase
21 from pygost.gost3410 import CURVE_PARAMS
22 from pygost.gost3410 import GOST3410Curve
23 from pygost.gost3410 import prv_unmarshal
24 from pygost.gost3410 import pub_unmarshal
25 from pygost.gost3410 import public_key
26 from pygost.gost3410_vko import kek_34102001
27 from pygost.gost3410_vko import kek_34102012256
28 from pygost.gost3410_vko import kek_34102012512
29 from pygost.gost3410_vko import ukm_unmarshal
30 from pygost.utils import bytes2long
31 from pygost.utils import hexdec
34 class TestVKO34102001(TestCase):
35 def test_vector(self):
36 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"])
37 ukm = ukm_unmarshal(hexdec("5172be25f852a233"))
38 prv1 = prv_unmarshal(hexdec("1df129e43dab345b68f6a852f4162dc69f36b2f84717d08755cc5c44150bf928"))
39 prv2 = prv_unmarshal(hexdec("5b9356c6474f913f1e83885ea0edd5df1a43fd9d799d219093241157ac9ed473"))
40 kek = hexdec("ee4618a0dbb10cb31777b4b86a53d9e7ef6cb3e400101410f0c0f2af46c494a6")
41 pub1 = public_key(curve, prv1)
42 pub2 = public_key(curve, prv2)
43 self.assertEqual(kek_34102001(curve, prv1, pub2, ukm), kek)
44 self.assertEqual(kek_34102001(curve, prv2, pub1, ukm), kek)
46 def test_sequence(self):
47 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"])
49 ukm = ukm_unmarshal(urandom(8))
50 prv1 = bytes2long(urandom(32))
51 prv2 = bytes2long(urandom(32))
52 pub1 = public_key(curve, prv1)
53 pub2 = public_key(curve, prv2)
54 kek1 = kek_34102001(curve, prv1, pub2, ukm)
55 kek2 = kek_34102001(curve, prv2, pub1, ukm)
56 self.assertEqual(kek1, kek2)
57 kek1 = kek_34102001(curve, prv1, pub1, ukm)
58 kek2 = kek_34102001(curve, prv2, pub2, ukm)
59 self.assertNotEqual(kek1, kek2)
62 class TestVKO34102012256(TestCase):
65 def test_vector(self):
66 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
67 ukm = ukm_unmarshal(hexdec("1d80603c8544c727"))
68 prvA = prv_unmarshal(hexdec("c990ecd972fce84ec4db022778f50fcac726f46708384b8d458304962d7147f8c2db41cef22c90b102f2968404f9b9be6d47c79692d81826b32b8daca43cb667"))
69 pubA = pub_unmarshal(hexdec("aab0eda4abff21208d18799fb9a8556654ba783070eba10cb9abb253ec56dcf5d3ccba6192e464e6e5bcb6dea137792f2431f6c897eb1b3c0cc14327b1adc0a7914613a3074e363aedb204d38d3563971bd8758e878c9db11403721b48002d38461f92472d40ea92f9958c0ffa4c93756401b97f89fdbe0b5e46e4a4631cdb5a"), mode=2012)
70 prvB = prv_unmarshal(hexdec("48c859f7b6f11585887cc05ec6ef1390cfea739b1a18c0d4662293ef63b79e3b8014070b44918590b4b996acfea4edfbbbcccc8c06edd8bf5bda92a51392d0db"))
71 pubB = pub_unmarshal(hexdec("192fe183b9713a077253c72c8735de2ea42a3dbc66ea317838b65fa32523cd5efca974eda7c863f4954d1147f1f2b25c395fce1c129175e876d132e94ed5a65104883b414c9b592ec4dc84826f07d0b6d9006dda176ce48c391e3f97d102e03bb598bf132a228a45f7201aba08fc524a2d77e43a362ab022ad4028f75bde3b79"), mode=2012)
72 vko = hexdec("c9a9a77320e2cc559ed72dce6f47e2192ccea95fa648670582c054c0ef36c221")
73 self.assertEqual(kek_34102012256(curve, prvA, pubB, ukm), vko)
74 self.assertEqual(kek_34102012256(curve, prvB, pubA, ukm), vko)
76 def test_sequence(self):
77 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
79 ukm = ukm_unmarshal(urandom(8))
80 prv1 = bytes2long(urandom(32))
81 prv2 = bytes2long(urandom(32))
82 pub1 = public_key(curve, prv1)
83 pub2 = public_key(curve, prv2)
84 kek1 = kek_34102012256(curve, prv1, pub2, ukm)
85 kek2 = kek_34102012256(curve, prv2, pub1, ukm)
86 self.assertEqual(kek1, kek2)
87 kek1 = kek_34102012256(curve, prv1, pub1, ukm)
88 kek2 = kek_34102012256(curve, prv2, pub2, ukm)
89 self.assertNotEqual(kek1, kek2)
92 class TestVKO34102012512(TestCase):
95 def test_vector(self):
96 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
97 ukm = ukm_unmarshal(hexdec("1d80603c8544c727"))
98 prvA = prv_unmarshal(hexdec("c990ecd972fce84ec4db022778f50fcac726f46708384b8d458304962d7147f8c2db41cef22c90b102f2968404f9b9be6d47c79692d81826b32b8daca43cb667"))
99 pubA = pub_unmarshal(hexdec("aab0eda4abff21208d18799fb9a8556654ba783070eba10cb9abb253ec56dcf5d3ccba6192e464e6e5bcb6dea137792f2431f6c897eb1b3c0cc14327b1adc0a7914613a3074e363aedb204d38d3563971bd8758e878c9db11403721b48002d38461f92472d40ea92f9958c0ffa4c93756401b97f89fdbe0b5e46e4a4631cdb5a"), mode=2012)
100 prvB = prv_unmarshal(hexdec("48c859f7b6f11585887cc05ec6ef1390cfea739b1a18c0d4662293ef63b79e3b8014070b44918590b4b996acfea4edfbbbcccc8c06edd8bf5bda92a51392d0db"))
101 pubB = pub_unmarshal(hexdec("192fe183b9713a077253c72c8735de2ea42a3dbc66ea317838b65fa32523cd5efca974eda7c863f4954d1147f1f2b25c395fce1c129175e876d132e94ed5a65104883b414c9b592ec4dc84826f07d0b6d9006dda176ce48c391e3f97d102e03bb598bf132a228a45f7201aba08fc524a2d77e43a362ab022ad4028f75bde3b79"), mode=2012)
102 vko = hexdec("79f002a96940ce7bde3259a52e015297adaad84597a0d205b50e3e1719f97bfa7ee1d2661fa9979a5aa235b558a7e6d9f88f982dd63fc35a8ec0dd5e242d3bdf")
103 self.assertEqual(kek_34102012512(curve, prvA, pubB, ukm), vko)
104 self.assertEqual(kek_34102012512(curve, prvB, pubA, ukm), vko)
106 def test_sequence(self):
107 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
109 ukm = ukm_unmarshal(urandom(8))
110 prv1 = bytes2long(urandom(32))
111 prv2 = bytes2long(urandom(32))
112 pub1 = public_key(curve, prv1)
113 pub2 = public_key(curve, prv2)
114 kek1 = kek_34102012512(curve, prv1, pub2, ukm)
115 kek2 = kek_34102012512(curve, prv2, pub1, ukm)
116 self.assertEqual(kek1, kek2)
117 kek1 = kek_34102012512(curve, prv1, pub1, ukm)
118 kek2 = kek_34102012512(curve, prv2, pub2, ukm)
119 self.assertNotEqual(kek1, kek2)