2 # PyGOST -- Pure Python GOST cryptographic functions library
3 # Copyright (C) 2015-2019 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 base64 import b64decode
19 from hmac import new as hmac_new
20 from unittest import skipIf
21 from unittest import TestCase
23 from pygost.gost28147 import cfb_decrypt
24 from pygost.gost34112012512 import GOST34112012512
25 from pygost.gost34112012512 import pbkdf2 as gost34112012_pbkdf2
26 from pygost.utils import hexdec
30 from pygost.asn1schemas.pfx import OctetStringSafeContents
31 from pygost.asn1schemas.pfx import PFX
32 from pygost.asn1schemas.pfx import PKCS8ShroudedKeyBag
33 from pygost.asn1schemas.pfx import SafeContents
35 pyderasn_exists = False
37 pyderasn_exists = True
40 @skipIf(not pyderasn_exists, "PyDERASN dependency is required")
41 class TestPFX(TestCase):
42 """PFX test vectors from "Транспортный ключевой контейнер" (R50.1.112-2016.pdf)
44 pfx_raw = b64decode("""
45 MIIFqgIBAzCCBSsGCSqGSIb3DQEHAaCCBRwEggUYMIIFFDCCASIGCSqGSIb3DQEH
46 AaCCARMEggEPMIIBCzCCAQcGCyqGSIb3DQEMCgECoIHgMIHdMHEGCSqGSIb3DQEF
47 DTBkMEEGCSqGSIb3DQEFDDA0BCD5qZr0TTIsBvdgUoq/zFwOzdyJohj6/4Wiyccg
48 j9AK/QICB9AwDAYIKoUDBwEBBAIFADAfBgYqhQMCAhUwFQQI3Ip/Vp0IsyIGCSqF
49 AwcBAgUBAQRoSfLhgx9s/zn+BjnhT0ror07vS55Ys5hgvVpWDx4mXGWWyez/2sMc
50 aFgSr4H4UTGGwoMynGLpF1IOVo+bGJ0ePqHB+gS5OL9oV+PUmZ/ELrRENKlCDqfY
51 WvpSystX29CvCFrnTnDsbBYxFTATBgkqhkiG9w0BCRUxBgQEAQAAADCCA+oGCSqG
52 SIb3DQEHBqCCA9swggPXAgEAMIID0AYJKoZIhvcNAQcBMHEGCSqGSIb3DQEFDTBk
53 MEEGCSqGSIb3DQEFDDA0BCCJTJLZQRi1WIpQHzyjXbq7+Vw2+1280C45x8ff6kMS
54 VAICB9AwDAYIKoUDBwEBBAIFADAfBgYqhQMCAhUwFQQIxepowwvS11MGCSqFAwcB
55 AgUBAYCCA06n09P/o+eDEKoSWpvlpOLKs7dKmVquKzJ81nCngvLQ5fEWL1WkxwiI
56 rEhm53JKLD0wy4hekalEk011Bvc51XP9gkDkmaoBpnV/TyKIY35wl6ATfeGXno1M
57 KoA+Ktdhv4gLnz0k2SXdkUj11JwYskXue+REA0p4m2ZsoaTmvoODamh9JeY/5Qjy
58 Xe58CGnyXFzX3eU86qs4WfdWdS3NzYYOk9zzVl46le9u79O/LnW2j4n2of/Jpk/L
59 YjrRmz5oYeQOqKOKhEyhpO6e+ejr6laduEv7TwJQKRNiygogbVvkNn3VjHTSOUG4
60 W+3NRPhjb0jD9obdyx6MWa6O3B9bUzFMNav8/gYn0vTDxqXMLy/92oTngNrVx6Gc
61 cNl128ISrDS6+RxtAMiEBRK6xNkemqX5yNXG5GrLQQFGP6mbs2nNpjKlgj3pljmX
62 Eky2/G78XiJrv02OgGs6CKnI9nMpa6N7PBHV34MJ6EZzWOWDRQ420xk63mnicrs0
63 WDVJ0xjdu4FW3iEk02EaiRTvGBpa6GL7LBp6QlaXSSwONx725cyRsL9cTlukqXER
64 WHDlMpjYLbkGZRrCc1myWgEfsputfSIPNF/oLv9kJNWacP3uuDOfecg3us7eg2OA
65 xo5zrYfn39GcBMF1WHAYRO/+PnJb9jrDuLAE8+ONNqjNulWNK9CStEhb6Te+yE6q
66 oeP6hJjFLi+nFLE9ymIo0A7gLQD5vzFvl+7v1ZNVnQkwRUsWoRiEVVGnv3Z1iZU6
67 xStxgoHMl62V/P5cz4dr9vJM2adEWNZcVXl6mk1H8DRc1sRGnvs2l237oKWRVntJ
68 hoWnZ8qtD+3ZUqsX79QhVzUQBzKuBt6jwNhaHLGl5B+Or/zA9FezsOh6+Uc+fZaV
69 W7fFfeUyWwGy90XD3ybTrjzep9f3nt55Z2c+fu2iEwhoyImWLuC3+CVhf9Af59j9
70 8/BophMJuATDJEtgi8rt4vLnfxKu250Mv2ZpbfF69EGTgFYbwc55zRfaUG9zlyCu
71 1YwMJ6HC9FUVtJp9gObSrirbzTH7mVaMjQkBLotazWbegzI+be8V3yT06C+ehD+2
72 GdLWAVs9hp8gPHEUShb/XrgPpDSJmFlOiyeOFBO/j4edDACKqVcwdjBOMAoGCCqF
73 AwcBAQIDBEAIFX0fyZe20QKKhWm6WYX+S92Gt6zaXroXOvAmayzLfZ5Sd9C2t9zZ
74 JSg6M8RBUYpw/8ym5ou1o2nDa09M5zF3BCCpzyCQBI+rzfISeKvPV1ROfcXiYU93
77 password = u'Пароль для PFX'
79 def test_shrouded_key_bag(self):
80 private_key_info_expected = b64decode(b"""
81 MGYCAQAwHwYIKoUDBwEBAQEwEwYHKoUDAgIjAQYIKoUDBwEBAgIEQEYbRu86z+1JFKDcPDN9UbTG
82 G2ki9enTqos4KpUU0j9IDpl1UXiaA1YDIwUjlAp+81GkLmyt8Fw6Gt/X5JZySAY=
85 pfx, tail = PFX().decode(self.pfx_raw)
86 self.assertSequenceEqual(tail, b"")
87 _, outer_safe_contents = pfx["authSafe"]["content"].defined
88 safe_contents, tail = OctetStringSafeContents().decode(
89 bytes(outer_safe_contents[0]["bagValue"]),
91 self.assertSequenceEqual(tail, b"")
92 safe_bag = safe_contents[0]
93 shrouded_key_bag, tail = PKCS8ShroudedKeyBag().decode(
94 bytes(safe_bag["bagValue"]),
96 self.assertSequenceEqual(tail, b"")
97 _, pbes2_params = shrouded_key_bag["encryptionAlgorithm"]["parameters"].defined
98 _, pbkdf2_params = pbes2_params["keyDerivationFunc"]["parameters"].defined
99 _, enc_scheme_params = pbes2_params["encryptionScheme"]["parameters"].defined
101 key = gost34112012_pbkdf2(
102 password=self.password.encode("utf-8"),
103 salt=bytes(pbkdf2_params["salt"]["specified"]),
104 iterations=int(pbkdf2_params["iterationCount"]),
107 # key = hexdec("309dd0354c5603739403f2335e9e2055138f8b5c98b63009de0635eea1fd7ba8")
108 self.assertSequenceEqual(
111 bytes(shrouded_key_bag["encryptedData"]),
112 iv=bytes(enc_scheme_params["iv"]),
113 sbox="Gost28147_tc26_ParamZ",
115 private_key_info_expected,
118 def test_encrypted_data(self):
119 cert_bag_expected = b64decode(b"""
120 MIIDSjCCA0YGCyqGSIb3DQEMCgEDoIIDHjCCAxoGCiqGSIb3DQEJFgGgggMKBIIDBjCCAwIwggKt
121 oAMCAQICEAHQaF8xH5bAAAAACycJAAEwDAYIKoUDBwEBAwIFADBgMQswCQYDVQQGEwJSVTEVMBMG
122 A1UEBwwM0JzQvtGB0LrQstCwMQ8wDQYDVQQKDAbQotCaMjYxKTAnBgNVBAMMIENBIGNlcnRpZmlj
123 YXRlIChQS0NTIzEyIGV4YW1wbGUpMB4XDTE1MDMyNzA3MjUwMFoXDTIwMDMyNzA3MjMwMFowZDEL
124 MAkGA1UEBhMCUlUxFTATBgNVBAcMDNCc0L7RgdC60LLQsDEPMA0GA1UECgwG0KLQmjI2MS0wKwYD
125 VQQDDCRUZXN0IGNlcnRpZmljYXRlIDEgKFBLQ1MjMTIgZXhhbXBsZSkwZjAfBggqhQMHAQEBATAT
126 BgcqhQMCAiMBBggqhQMHAQECAgNDAARA1xzymkpvr2dYJT8WTOX3Dt96/+hGsXNytUQpkWB5ImJM
127 4tg9AsC4RIUwV5H41MhG0uBRFweTzN6AsAdBvhTClYEJADI3MDkwMDAxo4IBKTCCASUwKwYDVR0Q
128 BCQwIoAPMjAxNTAzMjcwNzI1MDBagQ8yMDE2MDMyNzA3MjUwMFowDgYDVR0PAQH/BAQDAgTwMB0G
129 A1UdDgQWBBQhWOsRQ68yYN2Utg/owHoWcqsVbTAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYBBQUH
130 AwQwDAYDVR0TAQH/BAIwADCBmQYDVR0jBIGRMIGOgBQmnc7Xh5ykb5t/BMwOkxA4drfEmqFkpGIw
131 YDELMAkGA1UEBhMCUlUxFTATBgNVBAcMDNCc0L7RgdC60LLQsDEPMA0GA1UECgwG0KLQmjI2MSkw
132 JwYDVQQDDCBDQSBjZXJ0aWZpY2F0ZSAoUEtDUyMxMiBleGFtcGxlKYIQAdBoXvL8TSAAAAALJwkA
133 ATAMBggqhQMHAQEDAgUAA0EA9oq0Vvk8kkgIwkp0x0J5eKtia4MNTiwKAm7jgnCZIx3O98BThaTX
134 3ZQhEo2RL9pTCPr6wFMheeJ+YdGMReXvsjEVMBMGCSqGSIb3DQEJFTEGBAQBAAAA
137 pfx, tail = PFX().decode(self.pfx_raw)
138 self.assertSequenceEqual(tail, b"")
139 _, outer_safe_contents = pfx["authSafe"]["content"].defined
140 _, encrypted_data = outer_safe_contents[1]["bagValue"].defined
141 _, pbes2_params = encrypted_data["encryptedContentInfo"]["contentEncryptionAlgorithm"]["parameters"].defined
142 _, pbkdf2_params = pbes2_params["keyDerivationFunc"]["parameters"].defined
143 _, enc_scheme_params = pbes2_params["encryptionScheme"]["parameters"].defined
144 key = gost34112012_pbkdf2(
145 password=self.password.encode("utf-8"),
146 salt=bytes(pbkdf2_params["salt"]["specified"]),
147 iterations=int(pbkdf2_params["iterationCount"]),
150 # key = hexdec("0e93d71339e7f53b79a0bc41f9109dd4fb60b30ae10736c1bb77b84c07681cfc")
151 self.assertSequenceEqual(
154 bytes(encrypted_data["encryptedContentInfo"]["encryptedContent"]),
155 iv=bytes(enc_scheme_params["iv"]),
156 sbox="Gost28147_tc26_ParamZ",
162 pfx, tail = PFX().decode(self.pfx_raw)
163 self.assertSequenceEqual(tail, b"")
164 _, outer_safe_contents = pfx["authSafe"]["content"].defined
165 mac_data = pfx["macData"]
166 mac_key = gost34112012_pbkdf2(
167 password=self.password.encode('utf-8'),
168 salt=bytes(mac_data["macSalt"]),
169 iterations=int(mac_data["iterations"]),
172 # mac_key = hexdec("cadbfbf3bceaa9b79f651508fac5abbeb4a13d0bd0e1876bd3c3efb2112128a5")
173 self.assertSequenceEqual(
176 msg=SafeContents(outer_safe_contents).encode(),
177 digestmod=GOST34112012512,
179 bytes(mac_data["mac"]["digest"]),