+# coding: utf-8
+# PyGOST -- Pure Python GOST cryptographic functions library
+# Copyright (C) 2015-2016 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.
+#
+# 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 <http://www.gnu.org/licenses/>.
+
+from os import urandom
+from unittest import TestCase
+
+from pygost.gost3410 import CURVE_PARAMS
+from pygost.gost3410 import GOST3410Curve
+from pygost.gost3410 import prv_unmarshal
+from pygost.gost3410 import pub_unmarshal
+from pygost.gost3410 import public_key
+from pygost.gost3410_vko import vko_34102001
+from pygost.gost3410_vko import vko_34102012256
+from pygost.gost3410_vko import vko_34102012512
+from pygost.utils import bytes2long
+from pygost.utils import hexdec
+
+
+class TestVKO34102001(TestCase):
+ def test_sequence(self):
+ curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"])
+ for _ in range(10):
+ ukm = urandom(8)
+ prv1 = bytes2long(urandom(32))
+ prv2 = bytes2long(urandom(32))
+ pub1 = public_key(curve, prv1)
+ pub2 = public_key(curve, prv2)
+ kek1 = vko_34102001(curve, prv1, pub2, ukm)
+ kek2 = vko_34102001(curve, prv2, pub1, ukm)
+ self.assertEqual(kek1, kek2)
+ kek1 = vko_34102001(curve, prv1, pub1, ukm)
+ kek2 = vko_34102001(curve, prv2, pub2, ukm)
+ self.assertNotEqual(kek1, kek2)
+
+
+class TestVKO34102012256(TestCase):
+ """http://tc26.ru/methods/recommendation/%D0%A2%D0%9A26%D0%90%D0%9B%D0%93.pdf test vectors
+ """
+ def test_vector(self):
+ curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
+ ukm = hexdec("1d80603c8544c727")
+ prvA = prv_unmarshal(hexdec("c990ecd972fce84ec4db022778f50fcac726f46708384b8d458304962d7147f8c2db41cef22c90b102f2968404f9b9be6d47c79692d81826b32b8daca43cb667"))
+ pubA = pub_unmarshal(hexdec("aab0eda4abff21208d18799fb9a8556654ba783070eba10cb9abb253ec56dcf5d3ccba6192e464e6e5bcb6dea137792f2431f6c897eb1b3c0cc14327b1adc0a7914613a3074e363aedb204d38d3563971bd8758e878c9db11403721b48002d38461f92472d40ea92f9958c0ffa4c93756401b97f89fdbe0b5e46e4a4631cdb5a"), mode=2012)
+ prvB = prv_unmarshal(hexdec("48c859f7b6f11585887cc05ec6ef1390cfea739b1a18c0d4662293ef63b79e3b8014070b44918590b4b996acfea4edfbbbcccc8c06edd8bf5bda92a51392d0db"))
+ pubB = pub_unmarshal(hexdec("192fe183b9713a077253c72c8735de2ea42a3dbc66ea317838b65fa32523cd5efca974eda7c863f4954d1147f1f2b25c395fce1c129175e876d132e94ed5a65104883b414c9b592ec4dc84826f07d0b6d9006dda176ce48c391e3f97d102e03bb598bf132a228a45f7201aba08fc524a2d77e43a362ab022ad4028f75bde3b79"), mode=2012)
+ vko = hexdec("c9a9a77320e2cc559ed72dce6f47e2192ccea95fa648670582c054c0ef36c221")
+ self.assertEqual(vko_34102012256(curve, prvA, pubB, ukm), vko)
+ self.assertEqual(vko_34102012256(curve, prvB, pubA, ukm), vko)
+
+ def test_sequence(self):
+ curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
+ for _ in range(10):
+ ukm = urandom(8)
+ prv1 = bytes2long(urandom(32))
+ prv2 = bytes2long(urandom(32))
+ pub1 = public_key(curve, prv1)
+ pub2 = public_key(curve, prv2)
+ kek1 = vko_34102012256(curve, prv1, pub2, ukm)
+ kek2 = vko_34102012256(curve, prv2, pub1, ukm)
+ self.assertEqual(kek1, kek2)
+ kek1 = vko_34102012256(curve, prv1, pub1, ukm)
+ kek2 = vko_34102012256(curve, prv2, pub2, ukm)
+ self.assertNotEqual(kek1, kek2)
+
+
+class TestVKO34102012512(TestCase):
+ """http://tc26.ru/methods/recommendation/%D0%A2%D0%9A26%D0%90%D0%9B%D0%93.pdf test vectors
+ """
+ def test_vector(self):
+ curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
+ ukm = hexdec("1d80603c8544c727")
+ prvA = prv_unmarshal(hexdec("c990ecd972fce84ec4db022778f50fcac726f46708384b8d458304962d7147f8c2db41cef22c90b102f2968404f9b9be6d47c79692d81826b32b8daca43cb667"))
+ pubA = pub_unmarshal(hexdec("aab0eda4abff21208d18799fb9a8556654ba783070eba10cb9abb253ec56dcf5d3ccba6192e464e6e5bcb6dea137792f2431f6c897eb1b3c0cc14327b1adc0a7914613a3074e363aedb204d38d3563971bd8758e878c9db11403721b48002d38461f92472d40ea92f9958c0ffa4c93756401b97f89fdbe0b5e46e4a4631cdb5a"), mode=2012)
+ prvB = prv_unmarshal(hexdec("48c859f7b6f11585887cc05ec6ef1390cfea739b1a18c0d4662293ef63b79e3b8014070b44918590b4b996acfea4edfbbbcccc8c06edd8bf5bda92a51392d0db"))
+ pubB = pub_unmarshal(hexdec("192fe183b9713a077253c72c8735de2ea42a3dbc66ea317838b65fa32523cd5efca974eda7c863f4954d1147f1f2b25c395fce1c129175e876d132e94ed5a65104883b414c9b592ec4dc84826f07d0b6d9006dda176ce48c391e3f97d102e03bb598bf132a228a45f7201aba08fc524a2d77e43a362ab022ad4028f75bde3b79"), mode=2012)
+ vko = hexdec("79f002a96940ce7bde3259a52e015297adaad84597a0d205b50e3e1719f97bfa7ee1d2661fa9979a5aa235b558a7e6d9f88f982dd63fc35a8ec0dd5e242d3bdf")
+ self.assertEqual(vko_34102012512(curve, prvA, pubB, ukm), vko)
+ self.assertEqual(vko_34102012512(curve, prvB, pubA, ukm), vko)
+
+ def test_sequence(self):
+ curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
+ for _ in range(10):
+ ukm = urandom(8)
+ prv1 = bytes2long(urandom(32))
+ prv2 = bytes2long(urandom(32))
+ pub1 = public_key(curve, prv1)
+ pub2 = public_key(curve, prv2)
+ kek1 = vko_34102012512(curve, prv1, pub2, ukm)
+ kek2 = vko_34102012512(curve, prv2, pub1, ukm)
+ self.assertEqual(kek1, kek2)
+ kek1 = vko_34102012512(curve, prv1, pub1, ukm)
+ kek2 = vko_34102012512(curve, prv2, pub2, ukm)
+ self.assertNotEqual(kek1, kek2)