2 # PyGOST -- Pure Python GOST cryptographic functions library
3 # Copyright (C) 2015-2016 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 vko_34102001
27 from pygost.gost3410_vko import vko_34102012256
28 from pygost.gost3410_vko import vko_34102012512
29 from pygost.utils import bytes2long
30 from pygost.utils import hexdec
33 class TestVKO34102001(TestCase):
34 def test_sequence(self):
35 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"])
38 prv1 = bytes2long(urandom(32))
39 prv2 = bytes2long(urandom(32))
40 pub1 = public_key(curve, prv1)
41 pub2 = public_key(curve, prv2)
42 kek1 = vko_34102001(curve, prv1, pub2, ukm)
43 kek2 = vko_34102001(curve, prv2, pub1, ukm)
44 self.assertEqual(kek1, kek2)
45 kek1 = vko_34102001(curve, prv1, pub1, ukm)
46 kek2 = vko_34102001(curve, prv2, pub2, ukm)
47 self.assertNotEqual(kek1, kek2)
50 class TestVKO34102012256(TestCase):
51 """http://tc26.ru/methods/recommendation/%D0%A2%D0%9A26%D0%90%D0%9B%D0%93.pdf test vectors
53 def test_vector(self):
54 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
55 ukm = hexdec("1d80603c8544c727")
56 prvA = prv_unmarshal(hexdec("c990ecd972fce84ec4db022778f50fcac726f46708384b8d458304962d7147f8c2db41cef22c90b102f2968404f9b9be6d47c79692d81826b32b8daca43cb667"))
57 pubA = pub_unmarshal(hexdec("aab0eda4abff21208d18799fb9a8556654ba783070eba10cb9abb253ec56dcf5d3ccba6192e464e6e5bcb6dea137792f2431f6c897eb1b3c0cc14327b1adc0a7914613a3074e363aedb204d38d3563971bd8758e878c9db11403721b48002d38461f92472d40ea92f9958c0ffa4c93756401b97f89fdbe0b5e46e4a4631cdb5a"), mode=2012)
58 prvB = prv_unmarshal(hexdec("48c859f7b6f11585887cc05ec6ef1390cfea739b1a18c0d4662293ef63b79e3b8014070b44918590b4b996acfea4edfbbbcccc8c06edd8bf5bda92a51392d0db"))
59 pubB = pub_unmarshal(hexdec("192fe183b9713a077253c72c8735de2ea42a3dbc66ea317838b65fa32523cd5efca974eda7c863f4954d1147f1f2b25c395fce1c129175e876d132e94ed5a65104883b414c9b592ec4dc84826f07d0b6d9006dda176ce48c391e3f97d102e03bb598bf132a228a45f7201aba08fc524a2d77e43a362ab022ad4028f75bde3b79"), mode=2012)
60 vko = hexdec("c9a9a77320e2cc559ed72dce6f47e2192ccea95fa648670582c054c0ef36c221")
61 self.assertEqual(vko_34102012256(curve, prvA, pubB, ukm), vko)
62 self.assertEqual(vko_34102012256(curve, prvB, pubA, ukm), vko)
64 def test_sequence(self):
65 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
68 prv1 = bytes2long(urandom(32))
69 prv2 = bytes2long(urandom(32))
70 pub1 = public_key(curve, prv1)
71 pub2 = public_key(curve, prv2)
72 kek1 = vko_34102012256(curve, prv1, pub2, ukm)
73 kek2 = vko_34102012256(curve, prv2, pub1, ukm)
74 self.assertEqual(kek1, kek2)
75 kek1 = vko_34102012256(curve, prv1, pub1, ukm)
76 kek2 = vko_34102012256(curve, prv2, pub2, ukm)
77 self.assertNotEqual(kek1, kek2)
80 class TestVKO34102012512(TestCase):
81 """http://tc26.ru/methods/recommendation/%D0%A2%D0%9A26%D0%90%D0%9B%D0%93.pdf test vectors
83 def test_vector(self):
84 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
85 ukm = hexdec("1d80603c8544c727")
86 prvA = prv_unmarshal(hexdec("c990ecd972fce84ec4db022778f50fcac726f46708384b8d458304962d7147f8c2db41cef22c90b102f2968404f9b9be6d47c79692d81826b32b8daca43cb667"))
87 pubA = pub_unmarshal(hexdec("aab0eda4abff21208d18799fb9a8556654ba783070eba10cb9abb253ec56dcf5d3ccba6192e464e6e5bcb6dea137792f2431f6c897eb1b3c0cc14327b1adc0a7914613a3074e363aedb204d38d3563971bd8758e878c9db11403721b48002d38461f92472d40ea92f9958c0ffa4c93756401b97f89fdbe0b5e46e4a4631cdb5a"), mode=2012)
88 prvB = prv_unmarshal(hexdec("48c859f7b6f11585887cc05ec6ef1390cfea739b1a18c0d4662293ef63b79e3b8014070b44918590b4b996acfea4edfbbbcccc8c06edd8bf5bda92a51392d0db"))
89 pubB = pub_unmarshal(hexdec("192fe183b9713a077253c72c8735de2ea42a3dbc66ea317838b65fa32523cd5efca974eda7c863f4954d1147f1f2b25c395fce1c129175e876d132e94ed5a65104883b414c9b592ec4dc84826f07d0b6d9006dda176ce48c391e3f97d102e03bb598bf132a228a45f7201aba08fc524a2d77e43a362ab022ad4028f75bde3b79"), mode=2012)
90 vko = hexdec("79f002a96940ce7bde3259a52e015297adaad84597a0d205b50e3e1719f97bfa7ee1d2661fa9979a5aa235b558a7e6d9f88f982dd63fc35a8ec0dd5e242d3bdf")
91 self.assertEqual(vko_34102012512(curve, prvA, pubB, ukm), vko)
92 self.assertEqual(vko_34102012512(curve, prvB, pubA, ukm), vko)
94 def test_sequence(self):
95 curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
98 prv1 = bytes2long(urandom(32))
99 prv2 = bytes2long(urandom(32))
100 pub1 = public_key(curve, prv1)
101 pub2 = public_key(curve, prv2)
102 kek1 = vko_34102012512(curve, prv1, pub2, ukm)
103 kek2 = vko_34102012512(curve, prv2, pub1, ukm)
104 self.assertEqual(kek1, kek2)
105 kek1 = vko_34102012512(curve, prv1, pub1, ukm)
106 kek2 = vko_34102012512(curve, prv2, pub2, ukm)
107 self.assertNotEqual(kek1, kek2)