2 # PyGOST -- Pure Python GOST cryptographic functions library
3 # Copyright (C) 2015-2020 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, version 3 of the License.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 from base64 import b64decode
18 from unittest import skipIf
19 from unittest import TestCase
21 from six import text_type
23 from pygost.gost28147 import cfb_decrypt
24 from pygost.gost3410 import CURVES
25 from pygost.gost3410 import prv_unmarshal
26 from pygost.gost3410 import pub_marshal
27 from pygost.gost3410 import pub_unmarshal
28 from pygost.gost3410 import public_key
29 from pygost.gost3410 import verify
30 from pygost.gost3410_vko import kek_34102012256
31 from pygost.gost3410_vko import ukm_unmarshal
32 from pygost.gost34112012256 import GOST34112012256
33 from pygost.gost34112012512 import GOST34112012512
34 from pygost.gost3412 import GOST3412Kuznechik
35 from pygost.gost3412 import GOST3412Magma
36 from pygost.gost3413 import ctr_acpkm
37 from pygost.gost3413 import KEYSIZE
38 from pygost.gost3413 import mac as omac
39 from pygost.kdf import kdf_tree_gostr3411_2012_256
40 from pygost.kdf import keg
41 from pygost.utils import hexdec
42 from pygost.wrap import kimp15
43 from pygost.wrap import unwrap_cryptopro
44 from pygost.wrap import unwrap_gost
47 from pyderasn import DecodePathDefBy
48 from pyderasn import OctetString
50 from pygost.asn1schemas.cms import ContentInfo
51 from pygost.asn1schemas.cms import SignedAttributes
52 from pygost.asn1schemas.oids import id_cms_mac_attr
53 from pygost.asn1schemas.oids import id_envelopedData
54 from pygost.asn1schemas.oids import id_gostr3412_2015_kuznyechik_ctracpkm
55 from pygost.asn1schemas.oids import id_gostr3412_2015_kuznyechik_ctracpkm_omac
56 from pygost.asn1schemas.oids import id_gostr3412_2015_kuznyechik_wrap_kexp15
57 from pygost.asn1schemas.oids import id_gostr3412_2015_magma_ctracpkm
58 from pygost.asn1schemas.oids import id_gostr3412_2015_magma_ctracpkm_omac
59 from pygost.asn1schemas.oids import id_gostr3412_2015_magma_wrap_kexp15
60 from pygost.asn1schemas.oids import id_messageDigest
61 from pygost.asn1schemas.oids import id_tc26_agreement_gost3410_2012_256
62 from pygost.asn1schemas.oids import id_tc26_agreement_gost3410_2012_512
63 from pygost.asn1schemas.oids import id_tc26_gost3410_2012_256
64 from pygost.asn1schemas.oids import id_tc26_gost3410_2012_512
65 from pygost.asn1schemas.oids import id_tc26_gost3410_2012_512_paramSetA
66 from pygost.asn1schemas.oids import id_tc26_gost3411_2012_256
67 from pygost.asn1schemas.oids import id_tc26_gost3411_2012_512
68 from pygost.asn1schemas.x509 import Certificate
69 from pygost.asn1schemas.x509 import GostR34102012PublicKeyParameters
71 pyderasn_exists = False
73 pyderasn_exists = True
76 @skipIf(not pyderasn_exists, "PyDERASN dependency is required")
77 class TestSigned(TestCase):
78 """SignedData test vectors from "Использование
79 алгоритмов ГОСТ 28147-89, ГОСТ Р 34.11 и ГОСТ Р 34.10 в
80 криптографических сообщениях формата CMS" (TK26CMS.pdf)
90 content_info, tail = ContentInfo().decode(content_info_raw)
91 self.assertSequenceEqual(tail, b"")
92 self.assertIsNotNone(content_info["content"].defined)
93 _, signed_data = content_info["content"].defined
94 self.assertEqual(len(signed_data["signerInfos"]), 1)
95 curve = CURVES[curve_name]
96 self.assertTrue(verify(
98 public_key(curve, prv_unmarshal(prv_key_raw)),
99 hasher(bytes(signed_data["encapContentInfo"]["eContent"])).digest()[::-1],
100 bytes(signed_data["signerInfos"][0]["signature"]),
104 content_info_raw = b64decode("""
105 MIIBBQYJKoZIhvcNAQcCoIH3MIH0AgEBMQ4wDAYIKoUDBwEBAgIFADAbBgkqhkiG
106 9w0BBwGgDgQMVGVzdCBtZXNzYWdlMYHBMIG+AgEBMFswVjEpMCcGCSqGSIb3DQEJ
107 ARYaR29zdFIzNDEwLTIwMTJAZXhhbXBsZS5jb20xKTAnBgNVBAMTIEdvc3RSMzQx
108 MC0yMDEyICgyNTYgYml0KSBleGFtcGxlAgEBMAwGCCqFAwcBAQICBQAwDAYIKoUD
109 BwEBAQEFAARAkptb2ekZbC94FaGDQeP70ExvTkXtOY9zgz3cCco/hxPhXUVo3eCx
110 VNwDQ8enFItJZ8DEX4blZ8QtziNCMl5HbA==
112 prv_key_raw = hexdec("BFCF1D623E5CDD3032A7C6EABB4A923C46E43D640FFEAAF2C3ED39A8FA399924")[::-1]
116 "id-GostR3410-2001-CryptoPro-XchA-ParamSet",
121 content_info_raw = b64decode("""
122 MIIBSQYJKoZIhvcNAQcCoIIBOjCCATYCAQExDjAMBggqhQMHAQECAwUAMBsGCSqG
123 SIb3DQEHAaAOBAxUZXN0IG1lc3NhZ2UxggECMIH/AgEBMFswVjEpMCcGCSqGSIb3
124 DQEJARYaR29zdFIzNDEwLTIwMTJAZXhhbXBsZS5jb20xKTAnBgNVBAMTIEdvc3RS
125 MzQxMC0yMDEyICg1MTIgYml0KSBleGFtcGxlAgEBMAwGCCqFAwcBAQIDBQAwDAYI
126 KoUDBwEBAQIFAASBgFyVohNhMHUi/+RAF3Gh/cC7why6v+4jPWVlx1TYlXtV8Hje
127 hI2Y+rP52/LO6EUHG/XcwCBbUxmRWsbUSRRBAexmaafkSdvv2FFwC8kHOcti+UPX
128 PS+KRYxT8vhcsBLWWxDkc1McI7aF09hqtED36mQOfACzeJjEoUjALpmJob1V
130 prv_key_raw = hexdec("3FC01CDCD4EC5F972EB482774C41E66DB7F380528DFE9E67992BA05AEE462435757530E641077CE587B976C8EEB48C48FD33FD175F0C7DE6A44E014E6BCB074B")[::-1]
134 "id-tc26-gost-3410-12-512-paramSetB",
139 @skipIf(not pyderasn_exists, "PyDERASN dependency is required")
140 class TestDigested(TestCase):
141 """DigestedData test vectors from "Использование
142 алгоритмов ГОСТ 28147-89, ГОСТ Р 34.11 и ГОСТ Р 34.10 в
143 криптографических сообщениях формата CMS" (TK26CMS.pdf)
146 def process_cms(self, content_info_raw, hasher):
147 content_info, tail = ContentInfo().decode(content_info_raw)
148 self.assertSequenceEqual(tail, b"")
149 self.assertIsNotNone(content_info["content"].defined)
150 _, digested_data = content_info["content"].defined
151 self.assertSequenceEqual(
152 hasher(bytes(digested_data["encapContentInfo"]["eContent"])).digest(),
153 bytes(digested_data["digest"]),
157 content_info_raw = b64decode("""
158 MIGdBgkqhkiG9w0BBwWggY8wgYwCAQAwDAYIKoUDBwEBAgIFADBXBgkqhkiG9w0B
159 BwGgSgRI0eUg4uXy8OgsINHy8Ojh7uboIOLt8/boLCDi5f7y+iDxIOzu8P8g8fLw
160 5evg7Ogg7eAg9fDg4fD7/yDv6/rq+yDI4+7w5eL7BCCd0v5OkECeXah/U5dtdAWw
161 wMrGKPxmmnQdUAY8VX6PUA==
163 self.process_cms(content_info_raw, GOST34112012256)
166 content_info_raw = b64decode("""
167 MIG0BgkqhkiG9w0BBwWggaYwgaMCAQAwDAYIKoUDBwEBAgMFADBOBgkqhkiG9w0B
168 BwGgQQQ/MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTIzNDU2Nzg5MDEyMzQ1Njc4OTAx
169 MjM0NTY3ODkwMTIzNDU2Nzg5MDEyBEAbVNAaSvW51cw9htaNKFRisZq8JHUiLzXA
170 hRIr5Lof+gCtMPh2ezqCOExldPAkwxHipIEzKwjvf0F5eJHBZG9I
172 self.process_cms(content_info_raw, GOST34112012512)
175 @skipIf(not pyderasn_exists, "PyDERASN dependency is required")
176 class TestEnvelopedKTRI(TestCase):
177 """EnvelopedData KeyTransRecipientInfo-based test vectors from
178 "Использование алгоритмов ГОСТ 28147-89, ГОСТ Р 34.11 и ГОСТ Р 34.10
179 в криптографических сообщениях формата CMS" (TK26CMS.pdf)
190 sbox = "id-tc26-gost-28147-param-Z"
191 content_info, tail = ContentInfo().decode(content_info_raw, ctx={
196 DecodePathDefBy(id_envelopedData),
201 DecodePathDefBy(spki_algorithm),
202 "transportParameters",
203 "ephemeralPublicKey",
209 ("..", "subjectPublicKey"),
211 id_tc26_gost3410_2012_256: OctetString(),
212 id_tc26_gost3410_2012_512: OctetString(),
216 ) for spki_algorithm in (
217 id_tc26_gost3410_2012_256,
218 id_tc26_gost3410_2012_512,
222 self.assertSequenceEqual(tail, b"")
223 self.assertIsNotNone(content_info["content"].defined)
224 _, enveloped_data = content_info["content"].defined
225 eci = enveloped_data["encryptedContentInfo"]
226 ri = enveloped_data["recipientInfos"][0]
227 self.assertIsNotNone(ri["ktri"]["encryptedKey"].defined)
228 _, encrypted_key = ri["ktri"]["encryptedKey"].defined
229 ukm = bytes(encrypted_key["transportParameters"]["ukm"])
230 spk = encrypted_key["transportParameters"]["ephemeralPublicKey"]["subjectPublicKey"]
231 self.assertIsNotNone(spk.defined)
232 _, pub_key_their = spk.defined
233 curve = CURVES[curve_name]
234 kek = keker(curve, prv_key_our, bytes(pub_key_their), ukm)
235 key_wrapped = bytes(encrypted_key["sessionEncryptedKey"]["encryptedKey"])
236 mac = bytes(encrypted_key["sessionEncryptedKey"]["macKey"])
237 cek = unwrap_cryptopro(kek, ukm + key_wrapped + mac, sbox=sbox)
238 ciphertext = bytes(eci["encryptedContent"])
239 self.assertIsNotNone(eci["contentEncryptionAlgorithm"]["parameters"].defined)
240 _, encryption_params = eci["contentEncryptionAlgorithm"]["parameters"].defined
241 iv = bytes(encryption_params["iv"])
242 self.assertSequenceEqual(
243 cfb_decrypt(cek, ciphertext, iv, sbox=sbox, mesh=True),
248 content_info_raw = b64decode("""
249 MIIKGgYJKoZIhvcNAQcDoIIKCzCCCgcCAQAxggE0MIIBMAIBADBbMFYxKTAnBgkq
250 hkiG9w0BCQEWGkdvc3RSMzQxMC0yMDEyQGV4YW1wbGUuY29tMSkwJwYDVQQDEyBH
251 b3N0UjM0MTAtMjAxMiAyNTYgYml0cyBleGNoYW5nZQIBATAfBggqhQMHAQEBATAT
252 BgcqhQMCAiQABggqhQMHAQECAgSBrDCBqTAoBCCVJxUMdbKRzCJ5K1NWJIXnN7Ul
253 zaceeFlblA2qH4wZrgQEsHnIG6B9BgkqhQMHAQIFAQGgZjAfBggqhQMHAQEBATAT
254 BgcqhQMCAiQABggqhQMHAQECAgNDAARAFoqoLg1lV780co6GdwtjLtS4KCXv9VGR
255 sd7PTPHCT/5iGbvOlKNW2I8UhayJ0dv7RV7Nb1lDIxPxf4Mbp2CikgQI1b4+WpGE
256 sfQwggjIBgkqhkiG9w0BBwEwHwYGKoUDAgIVMBUECHYNkdvFoYdyBgkqhQMHAQIF
257 AQGAggiYvFFpJKILAFdXjcdLLYv4eruXzL/wOXL8y9HHIDMbSzV1GM033J5Yt/p4
258 H6JYe1L1hjAfE/BAAYBndof2sSUxC3/I7xj+b7M8BZ3GYPqATPtR4aCQDK6z91lx
259 nDBAWx0HdsStT5TOj/plMs4zJDadvIJLfjmGkt0Np8FSnSdDPOcJAO/jcwiOPopg
260 +Z8eIuZNmY4seegTLue+7DGqvqi1GdZdMnvXBFIKc9m5DUsC7LdyboqKImh6giZE
261 YZnxb8a2naersPylhrf+zp4Piwwv808yOrD6LliXUiH0RojlmuaQP4wBkb7m073h
262 MeAWEWSvyXzOvOOuFST/hxPEupiTRoHPUdfboJT3tNpizUhE384SrvXHpwpgivQ4
263 J0zF2/uzTBEupXR6dFC9rTHAK3X79SltqBNnHyIXBwe+BMqTmKTfnlPVHBUfTXZg
264 oakDItwKwa1MBOZeciwtUFza+7o9FZhKIandb848chGdgd5O9ksaXvPJDIPxQjZd
265 EBVhnXLlje4TScImwTdvYB8GsI8ljKb2bL3FjwQWGbPaOjXc2D9w+Ore8bk1E4TA
266 ayhypU7MH3Mq1EBZ4j0iROEFBQmYRZn8vAKZ0K7aPxcDeAnKAJxdokqrMkLgI6WX
267 0glh/3Cs9dI+0D2GqMSygauKCD0vTIo3atkEQswDZR4pMx88gB4gmx7iIGrc/ZXs
268 ZqHI7NQqeKtBwv2MCIj+/UTqdYDqbaniDwdVS8PE9nQnNU4gKffq3JbT+wRjJv6M
269 Dr231bQHgAsFTVKbZgoL4gj4V7bLQUmW06+W1BQUJ2+Sn7fp+Xet9Xd3cGtNdxzQ
270 zl6sGuiOlTNe0bfKP7QIMC7ekjflLBx8nwa2GZG19k3O0Z9JcDdN/kz6bGpPNssY
271 AIOkTvLQjxIM9MhRqIv6ee0rowTWQPwXJP7yHApop4XZvVX6h9gG2gazqbDej2lo
272 tAcfRAKj/LJ/bk9+OlNXOXVCKnwE1kXxZDsNJ51GdCungC56U/hmd3C1RhSLTpEc
273 FlOWgXKNjbn6SQrlq1yASKKr80T0fL7PFoYwKZoQbKMAVZQC1VBWQltHkEzdL73x
274 FwgZULNfdflF8sEhFC/zsVqckD/UnhzJz88PtCslMArJ7ntbEF1GzsSSfRfjBqnl
275 kSUreE5XX6+c9yp5HcJBiMzp6ZqqWWaED5Y5xp1hZeYjuKbDMfY4tbWVc7Hy0dD2
276 KGfZLp5umqvPNs7aVBPmvuxtrnxcJlUB8u2HoiHc6/TuhrpaopYGBhxL9+kezuLR
277 v18nsAg8HOmcCNUS46NXQj/Mdpx8W+RsyzCQkJjieT/Yed20Zxq1zJoXIS0xAaUH
278 TdE2dWqiT6TGlh/KQYk3KyFPNnDmzJm04a2VWIwpp4ypXyxrB7XxnVY6Q4YBYbZs
279 FycxGjJWqj7lwc+lgZ8YV2WJ4snEo2os8SsA2GFWcUMiVTHDnEJvphDHmhWsf26A
280 bbRqwaRXNjhj05DamTRsczgvfjdl1pk4lJYE4ES3nixtMe4s1X8nSmM4KvfyVDul
281 J8uTpw1ZFnolTdfEL63BSf4FREoEqKB7cKuD7cpn7Rg4kRdM0/BLZGuxkH+pGMsI
282 Bb8LecUWyjGsI6h74Wz/U2uBrfgdRqhR+UsfB2QLaRgM6kCXZ4vM0auuzBViFCwK
283 tYMHzZWWz8gyVtJ0mzt1DrHCMx4pTS4yOhv4RkXBS/rub4VhVIsOGOGar5ZYtH47
284 uBbdw3NC05JIFM7lI31d0s1fvvkTUR7eaqRW+SnR2c2oHpWlSO+Q0mrzx+vvOTdj
285 xa713YtklBvyUUQr2SIbsXGpFnwjn+sXK1onAavp/tEax8sNZvxg5yeseFcWn+gD
286 4rjk9FiSd1wp4fTDQFJ19evqruqKlq6k18l/ZAyUcEbIWSz2s3HfAAoAQyFPX1Q2
287 95gVhRRw6lP4S6VPCfn/f+5jV4TcT6W/giRaHIk9Hty+g8bx1bFXaKVkQZ5R2Vmk
288 qsZ65ZgCrYQJmcErPmYybvP7NBeDS4AOSgBQAGMQF4xywdNm6bniWWo3N/xkFv32
289 /25x8okGgD8QcYKmhzieLSSzOvM/exB14RO84YZOkZzm01Jll0nac/LEazKoVWbn
290 0VdcQ7pYEOqeMBXipsicNVYA/uhonp6op9cpIVYafPr0npCGwwhwcRuOrgSaZyCn
291 VG2tPkEOv9LKmUbhnaDA2YUSzOOjcCpIVvTSBnUEiorYpfRYgQLrbcd2qhVvNCLX
292 8ujZfMqXQXK8n5BK8JxNtczvaf+/2dfv1dQl0lHEAQhbNcsJ0t5GPhsSCC5oMBJl
293 ZJuOEO/8PBWKEnMZOM+Dz7gEgsBhGyMFFrKpiwQRpyEshSD2QpnK6Lp0t5C8Za2G
294 lhyZsEr+93AYOb5mm5+z02B4Yq9+RpepvjoqVeq/2uywZNq9MS98zVgNsmpryvTZ
295 3HJHHB20u2jcVu0G3Nhiv22lD70JWCYFAOupjgVcUcaBxjxwUMAvgHg7JZqs6mC6
296 tvTKwQ4NtDhoAhARlDeWSwCWb2vPH2H7Lmqokif1RfvJ0hrLzkJuHdWrzIYzXpPs
297 +v9XJxLvbdKi9KU1Halq9S8dXT1fvs9DJTpUV/KW7QkRsTQJhTJBkQ07WUSJ4gBS
298 Qp4efxSRNIfMj7DR6qLLf13RpIPTJO9/+gNuBIFcupWVfUL7tJZt8Qsf9eGwZfP+
299 YyhjC8AyZjH4/9RzLHSjuq6apgw3Mzw0j572Xg6xDLMK8C3Tn/vrLOvAd96b9MkF
300 3+ZHSLW3IgOiy+1jvK/20CZxNWc+pey8v4zji1hI17iohsipX/uZKRxhxF6+Xn2R
301 UQp6qoxHAspNXgWQ57xg7C3+gmi4ciVr0fT9pg54ogcowrRH+I6wd0EpeWPbzfnQ
302 pRmMVN+YtRsrEHwH3ToQ/i4vrtgA+eONuKT2uKZFikxA+VNmeeGdhkgqETMihQ==
304 prv_key_our = hexdec("BFCF1D623E5CDD3032A7C6EABB4A923C46E43D640FFEAAF2C3ED39A8FA399924")[::-1]
306 def keker(curve, prv, pub, ukm):
307 return kek_34102012256(
317 "id-GostR3410-2001-CryptoPro-XchA-ParamSet",
319 b"Test data to encrypt.\n" * 100,
323 content_info_raw = b64decode("""
324 MIIB0gYJKoZIhvcNAQcDoIIBwzCCAb8CAQAxggF8MIIBeAIBADBbMFYxKTAnBgkq
325 hkiG9w0BCQEWGkdvc3RSMzQxMC0yMDEyQGV4YW1wbGUuY29tMSkwJwYDVQQDEyBH
326 b3N0UjM0MTAtMjAxMiA1MTIgYml0cyBleGNoYW5nZQIBATAhBggqhQMHAQEBAjAV
327 BgkqhQMHAQIBAgIGCCqFAwcBAQIDBIHyMIHvMCgEIIsYzbVLn33aLinQ7SLNA7y+
328 Lrm02khqDCfXrNS9iiMhBATerS8zoIHCBgkqhQMHAQIFAQGggaowIQYIKoUDBwEB
329 AQIwFQYJKoUDBwECAQICBggqhQMHAQECAwOBhAAEgYAYiTVLKpSGaAvjJEDQ0hdK
330 qR/jek5Q9Q2pXC+NkOimQh7dpCi+wcaHlPcBk96hmpnOFvLaiokX8V6jqtBl5gdk
331 M40kOXv8kcDdTzEVKA/ZLxA8xanL+gTD6ZjaPsUu06nsA2MoMBWcHLUzueaP3bGT
332 /yHTV+Za5xdcQehag/lNBgQIvCw4uUl0XC4wOgYJKoZIhvcNAQcBMB8GBiqFAwIC
333 FTAVBAj+1QzaXaN9FwYJKoUDBwECBQEBgAyK54euw0sHhEVEkA0=
335 prv_key_our = hexdec("3FC01CDCD4EC5F972EB482774C41E66DB7F380528DFE9E67992BA05AEE462435757530E641077CE587B976C8EEB48C48FD33FD175F0C7DE6A44E014E6BCB074B")[::-1]
337 def keker(curve, prv, pub, ukm):
338 return kek_34102012256(
348 "id-tc26-gost-3410-12-512-paramSetB",
354 @skipIf(not pyderasn_exists, "PyDERASN dependency is required")
355 class TestEnvelopedKARI(TestCase):
356 """EnvelopedData KeyAgreeRecipientInfo-based test vectors from
357 "Использование алгоритмов ГОСТ 28147-89, ГОСТ Р 34.11 и ГОСТ Р 34.10
358 в криптографических сообщениях формата CMS" (TK26CMS.pdf)
369 sbox = "id-tc26-gost-28147-param-Z"
370 content_info, tail = ContentInfo().decode(content_info_raw, ctx={
375 DecodePathDefBy(id_envelopedData),
388 id_tc26_gost3410_2012_256: OctetString(),
389 id_tc26_gost3410_2012_512: OctetString(),
394 id_tc26_gost3410_2012_256,
395 id_tc26_gost3410_2012_512,
399 self.assertSequenceEqual(tail, b"")
400 self.assertIsNotNone(content_info["content"].defined)
401 _, enveloped_data = content_info["content"].defined
402 eci = enveloped_data["encryptedContentInfo"]
403 kari = enveloped_data["recipientInfos"][0]["kari"]
404 self.assertIsNotNone(kari["originator"]["originatorKey"]["publicKey"].defined)
405 _, pub_key_their = kari["originator"]["originatorKey"]["publicKey"].defined
406 ukm = bytes(kari["ukm"])
407 rek = kari["recipientEncryptedKeys"][0]
408 curve = CURVES[curve_name]
409 kek = keker(curve, prv_key_our, bytes(pub_key_their), ukm)
410 self.assertIsNotNone(rek["encryptedKey"].defined)
411 _, encrypted_key = rek["encryptedKey"].defined
412 key_wrapped = bytes(encrypted_key["encryptedKey"])
413 mac = bytes(encrypted_key["macKey"])
414 cek = unwrap_gost(kek, ukm + key_wrapped + mac, sbox=sbox)
415 ciphertext = bytes(eci["encryptedContent"])
416 self.assertIsNotNone(eci["contentEncryptionAlgorithm"]["parameters"].defined)
417 _, encryption_params = eci["contentEncryptionAlgorithm"]["parameters"].defined
418 iv = bytes(encryption_params["iv"])
419 self.assertSequenceEqual(
420 cfb_decrypt(cek, ciphertext, iv, sbox=sbox, mesh=True),
425 content_info_raw = b64decode("""
426 MIIBhgYJKoZIhvcNAQcDoIIBdzCCAXMCAQIxggEwoYIBLAIBA6BooWYwHwYIKoUD
427 BwEBAQEwEwYHKoUDAgIkAAYIKoUDBwEBAgIDQwAEQPAdWM4pO38iZ49UjaXQpq+a
428 jhTa4KwY4B9TFMK7AiYmbFKE0eX/wvu69kFMQ2o3OJTnMOlr1WHiPYOmNO6C5hOh
429 CgQIX+vNomZakEIwIgYIKoUDBwEBAQEwFgYHKoUDAgINADALBgkqhQMHAQIFAQEw
430 gYwwgYkwWzBWMSkwJwYJKoZIhvcNAQkBFhpHb3N0UjM0MTAtMjAxMkBleGFtcGxl
431 LmNvbTEpMCcGA1UEAxMgR29zdFIzNDEwLTIwMTIgMjU2IGJpdHMgZXhjaGFuZ2UC
432 AQEEKjAoBCCNhrZOr7x2fsjjQAeDMv/tSoNRQSSQzzxgqdnYxJ3fIAQEgYLqVDA6
433 BgkqhkiG9w0BBwEwHwYGKoUDAgIVMBUECHVmR/S+hlYiBgkqhQMHAQIFAQGADEI9
436 prv_key_our = hexdec("BFCF1D623E5CDD3032A7C6EABB4A923C46E43D640FFEAAF2C3ED39A8FA399924")[::-1]
438 def keker(curve, prv, pub, ukm):
439 return kek_34102012256(
449 "id-GostR3410-2001-CryptoPro-XchA-ParamSet",
455 content_info_raw = b64decode("""
456 MIIBzAYJKoZIhvcNAQcDoIIBvTCCAbkCAQIxggF2oYIBcgIBA6CBraGBqjAhBggq
457 hQMHAQEBAjAVBgkqhQMHAQIBAgIGCCqFAwcBAQIDA4GEAASBgCB0nQy/Ljva/mRj
458 w6o+eDKIvnxwYIQB5XCHhZhCpHNZiWcFxFpYXZLWRPKifOxV7NStvqGE1+fkfhBe
459 btkQu0tdC1XL3LO2Cp/jX16XhW/IP5rKV84qWr1Owy/6tnSsNRb+ez6IttwVvaVV
460 pA6ONFy9p9gawoC8nitvAVJkWW0PoQoECDVfxzxgMTAHMCIGCCqFAwcBAQECMBYG
461 ByqFAwICDQAwCwYJKoUDBwECBQEBMIGMMIGJMFswVjEpMCcGCSqGSIb3DQEJARYa
462 R29zdFIzNDEwLTIwMTJAZXhhbXBsZS5jb20xKTAnBgNVBAMTIEdvc3RSMzQxMC0y
463 MDEyIDUxMiBiaXRzIGV4Y2hhbmdlAgEBBCowKAQg8C/OcxRR0Uq8nDjHrQlayFb3
464 WFUZEnEuAKcuG6dTOawEBLhi9hIwOgYJKoZIhvcNAQcBMB8GBiqFAwICFTAVBAiD
465 1wH+CX6CwgYJKoUDBwECBQEBgAzUvQI4H2zRfgNgdlY=
467 prv_key_our = hexdec("3FC01CDCD4EC5F972EB482774C41E66DB7F380528DFE9E67992BA05AEE462435757530E641077CE587B976C8EEB48C48FD33FD175F0C7DE6A44E014E6BCB074B")[::-1]
469 def keker(curve, prv, pub, ukm):
470 return kek_34102012256(
480 "id-tc26-gost-3410-12-512-paramSetB",
486 @skipIf(not pyderasn_exists, "PyDERASN dependency is required")
487 class TestR132356510252019(TestCase):
488 """Test vectors from Р 1323565.1.025-2019
490 curve256 = CURVES["id-tc26-gost-3410-2012-256-paramSetA"]
491 curve512 = CURVES["id-tc26-gost-3410-12-512-paramSetA"]
492 psk = hexdec("8F5EEF8814D228FB2BBC5612323730CFA33DB7263CC2C0A01A6C6953F33D61D5")[::-1]
494 ca_prv = prv_unmarshal(hexdec("092F8D059E97E22B90B1AE99F0087FC4D26620B91550CBB437C191005A290810")[::-1])
495 ca_pub = public_key(curve256, ca_prv)
496 ca_cert = Certificate().decod(b64decode("""
497 MIIB8DCCAZ2gAwIBAgIEAYy6gTAKBggqhQMHAQEDAjA4MQ0wCwYDVQQKEwRUSzI2
498 MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQwHhcNMDEw
499 MTAxMDAwMDAwWhcNNDkxMjMxMDAwMDAwWjA4MQ0wCwYDVQQKEwRUSzI2MScwJQYD
500 VQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQwaDAhBggqhQMHAQEB
501 ATAVBgkqhQMHAQIBAQEGCCqFAwcBAQICA0MABEAaSoKcjw54UACci6svELNF0IYM
502 RIW8urUsqamIpoG46XCqrVOuI6Q13N4dwcRsbZdqByf+GC2f5ZfO3baN5bTKo4GF
503 MIGCMGEGA1UdAQRaMFiAFIDZDPeZ+GZNk1OJjsCecS2npzESoTowODENMAsGA1UE
504 ChMEVEsyNjEnMCUGA1UEAxMeQ0EgVEsyNjogR09TVCAzNC4xMC0xMiAyNTYtYml0
505 ggQBjLqBMB0GA1UdDgQWBBSA2Qz3mfhmTZNTiY7AnnEtp6cxEjAKBggqhQMHAQED
506 AgNBAAgv248F4OeNCkhlzJWec0evHYnMBlSzk1lDm0F875B7CqMrKh2MtJHXenbj
507 Gc2uRn2IwgmSf/LZDrYsKKqZSxk=
510 sender256_prv = prv_unmarshal(hexdec("0B20810E449978C7C3B76C6FF77A16C532421139344A058EF56310B6B6F377E8")[::-1])
511 sender256_pub = public_key(curve256, sender256_prv)
512 sender256_cert = Certificate().decod(b64decode("""
513 MIIB8zCCAaCgAwIBAgIEAYy6gjAKBggqhQMHAQEDAjA4MQ0wCwYDVQQKEwRUSzI2
514 MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQwHhcNMDEw
515 MTAxMDAwMDAwWhcNNDkxMjMxMDAwMDAwWjA7MQ0wCwYDVQQKEwRUSzI2MSowKAYD
516 VQQDEyFPUklHSU5BVE9SOiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQwaDAhBggqhQMH
517 AQEBATAVBgkqhQMHAQIBAQEGCCqFAwcBAQICA0MABECWKQ0TYllqg4GmY3tBJiyz
518 pXUN+aOV9WbmTUinqrmEHP7KCNzoAzFg+04SSQpNNSHpQnm+jLAZhuJaJfqZ6VbT
519 o4GFMIGCMGEGA1UdAQRaMFiAFIDZDPeZ+GZNk1OJjsCecS2npzESoTowODENMAsG
520 A1UEChMEVEsyNjEnMCUGA1UEAxMeQ0EgVEsyNjogR09TVCAzNC4xMC0xMiAyNTYt
521 Yml0ggQBjLqBMB0GA1UdDgQWBBTRnChHSWbQYwnJC62n2zu5Njd03zAKBggqhQMH
522 AQEDAgNBAB41oijaXSEn58l78y2rhxY35/lKEq4XWZ70FtsNlVxWATyzgO5Wliwn
523 t1O4GoZsxx8r6T/i7VG65UNmQlwdOKQ=
526 recipient256_prv = prv_unmarshal(hexdec("0DC8DC1FF2BC114BABC3F1CA8C51E4F58610427E197B1C2FBDBA4AE58CBFB7CE")[::-1])
527 recipient256_pub = public_key(curve256, recipient256_prv)
528 recipient256_cert = Certificate().decod(b64decode("""
529 MIIB8jCCAZ+gAwIBAgIEAYy6gzAKBggqhQMHAQEDAjA4MQ0wCwYDVQQKEwRUSzI2
530 MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQwHhcNMDEw
531 MTAxMDAwMDAwWhcNNDkxMjMxMDAwMDAwWjA6MQ0wCwYDVQQKEwRUSzI2MSkwJwYD
532 VQQDEyBSRUNJUElFTlQ6IEdPU1QgMzQuMTAtMTIgMjU2LWJpdDBoMCEGCCqFAwcB
533 AQEBMBUGCSqFAwcBAgEBAQYIKoUDBwEBAgIDQwAEQL8nghlzLGMKWHuWhNMPMN5u
534 L6SkGqRiJ6qZxZb+4dPKbBT9LNVvNKtwUed+BeE5kfqOfolPgFusnL1rnO9yREOj
535 gYUwgYIwYQYDVR0BBFowWIAUgNkM95n4Zk2TU4mOwJ5xLaenMRKhOjA4MQ0wCwYD
536 VQQKEwRUSzI2MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1i
537 aXSCBAGMuoEwHQYDVR0OBBYEFLue+PUb9Oe+pziBU+MvNejjgrzFMAoGCCqFAwcB
538 AQMCA0EAPP9Oad1/5jwokSjPpccsQ0xCdVYM+mGQ0IbpiZxQj8gnkt8sq4jR6Ya+
539 I/BDkbZNDNE27TU1p3t5rE9NMEeViA==
542 sender512_prv = prv_unmarshal(hexdec("F95A5D44C5245F63F2E7DF8E782C1924EADCB8D06C52D91023179786154CBDB1561B4DF759D69F67EE1FBD5B68800E134BAA12818DA4F3AC75B0E5E6F9256911")[::-1])
543 sender512_pub = public_key(curve512, sender512_prv)
544 sender512_cert = Certificate().decod(b64decode("""
545 MIICNjCCAeOgAwIBAgIEAYy6hDAKBggqhQMHAQEDAjA4MQ0wCwYDVQQKEwRUSzI2
546 MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQwHhcNMDEw
547 MTAxMDAwMDAwWhcNNDkxMjMxMDAwMDAwWjA7MQ0wCwYDVQQKEwRUSzI2MSowKAYD
548 VQQDEyFPUklHSU5BVE9SOiBHT1NUIDM0LjEwLTEyIDUxMi1iaXQwgaowIQYIKoUD
549 BwEBAQIwFQYJKoUDBwECAQIBBggqhQMHAQECAwOBhAAEgYC0i7davCkOGGVcYqFP
550 tS1fUIROzB0fYARIe0tclTRpare/qzRuVRapqzzO+K21LDpYVfDPs2Sqa13ZN+Ts
551 /JUlv59qCFB2cYpFyB/0kh4+K79yvz7r8+4WE0EmZf8T3ae/J1Jo6xGunecH1/G4
552 hMts9HYLnxbwJDMNVGuIHV6gzqOBhTCBgjBhBgNVHQEEWjBYgBSA2Qz3mfhmTZNT
553 iY7AnnEtp6cxEqE6MDgxDTALBgNVBAoTBFRLMjYxJzAlBgNVBAMTHkNBIFRLMjY6
554 IEdPU1QgMzQuMTAtMTIgMjU2LWJpdIIEAYy6gTAdBgNVHQ4EFgQUK+l9HAscONGx
555 zCcRpxRAmFHvlXowCgYIKoUDBwEBAwIDQQAbjA0Q41/rIKOOvjHKsAsoEJM+WJf6
556 /PKXg2JaStthmw99bdtwwkU/qDbcje2tF6mt+XWyQBXwvfeES1GFY9fJ
559 recipient512_prv = prv_unmarshal(hexdec("A50315981F0A7C7FC05B4EB9591A62B1F84BD6FD518ACFCEDF0A7C9CF388D1F18757C056ADA5B38CBF24CDDB0F1519EF72DB1712CEF1920952E94AF1F9C575DC")[::-1])
560 recipient512_pub = public_key(curve512, recipient512_prv)
561 recipient512_cert = Certificate().decod(b64decode("""
562 MIICNTCCAeKgAwIBAgIEAYy6hTAKBggqhQMHAQEDAjA4MQ0wCwYDVQQKEwRUSzI2
563 MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQwHhcNMDEw
564 MTAxMDAwMDAwWhcNNDkxMjMxMDAwMDAwWjA6MQ0wCwYDVQQKEwRUSzI2MSkwJwYD
565 VQQDEyBSRUNJUElFTlQ6IEdPU1QgMzQuMTAtMTIgNTEyLWJpdDCBqjAhBggqhQMH
566 AQEBAjAVBgkqhQMHAQIBAgEGCCqFAwcBAQIDA4GEAASBgKauwGYvUkzz19g0LP/p
567 zeRdmwy1m+QSy9W5ZrL/AGuJofm2ARjz40ozNbW6bp9hkHu8x66LX7u5zz+QeS2+
568 X5om18UXriComgO0+qhZbc+Hzu0eQ8FjOd8LpLk3TzzfBltfLOX5IiPLjeum+pSP
569 0QjoXAVcrop//B4yvZIukvROo4GFMIGCMGEGA1UdAQRaMFiAFIDZDPeZ+GZNk1OJ
570 jsCecS2npzESoTowODENMAsGA1UEChMEVEsyNjEnMCUGA1UEAxMeQ0EgVEsyNjog
571 R09TVCAzNC4xMC0xMiAyNTYtYml0ggQBjLqBMB0GA1UdDgQWBBSrXT5VKhm/5uff
572 kwW0XpG19k6AajAKBggqhQMHAQEDAgNBAAJBpsHRrQKZGb22LOzaReEB8rl2MbIR
573 ja64NaM5h+cAFoHm6t/k+ziLh2A11rTakR+5of4NQ3EjEhuPtomP2tc=
576 def test_certs(self):
577 """Certificates signatures
579 for prv, pub, curve, cert in (
580 (self.ca_prv, self.ca_pub, self.curve256, self.ca_cert),
581 (self.sender256_prv, self.sender256_pub, self.curve256, self.sender256_cert),
582 (self.recipient256_prv, self.recipient256_pub, self.curve256, self.recipient256_cert),
583 (self.sender512_prv, self.sender512_pub, self.curve512, self.sender512_cert),
584 (self.recipient512_prv, self.recipient512_pub, self.curve512, self.recipient512_cert),
586 pub_our = public_key(curve, prv)
587 self.assertEqual(pub_our, pub)
588 self.assertSequenceEqual(
589 pub_marshal(pub_our),
590 bytes(OctetString().decod(bytes(
591 cert["tbsCertificate"]["subjectPublicKeyInfo"]["subjectPublicKey"]
598 self.recipient256_cert,
600 self.recipient512_cert,
602 self.assertTrue(verify(
605 GOST34112012256(cert["tbsCertificate"].encode()).digest()[::-1],
606 bytes(cert["signatureValue"]),
609 def test_signed_with_attrs(self):
610 ci = ContentInfo().decod(b64decode("""
611 MIIENwYJKoZIhvcNAQcCoIIEKDCCBCQCAQExDDAKBggqhQMHAQECAzA7BgkqhkiG
612 9w0BBwGgLgQsyu7t8vDu6/zt++kg7/Do7OXwIOTr/yDx8vDz6vLz8PsgU2lnbmVk
613 RGF0YS6gggI6MIICNjCCAeOgAwIBAgIEAYy6hDAKBggqhQMHAQEDAjA4MQ0wCwYD
614 VQQKEwRUSzI2MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1i
615 aXQwHhcNMDEwMTAxMDAwMDAwWhcNNDkxMjMxMDAwMDAwWjA7MQ0wCwYDVQQKEwRU
616 SzI2MSowKAYDVQQDEyFPUklHSU5BVE9SOiBHT1NUIDM0LjEwLTEyIDUxMi1iaXQw
617 gaowIQYIKoUDBwEBAQIwFQYJKoUDBwECAQIBBggqhQMHAQECAwOBhAAEgYC0i7da
618 vCkOGGVcYqFPtS1fUIROzB0fYARIe0tclTRpare/qzRuVRapqzzO+K21LDpYVfDP
619 s2Sqa13ZN+Ts/JUlv59qCFB2cYpFyB/0kh4+K79yvz7r8+4WE0EmZf8T3ae/J1Jo
620 6xGunecH1/G4hMts9HYLnxbwJDMNVGuIHV6gzqOBhTCBgjBhBgNVHQEEWjBYgBSA
621 2Qz3mfhmTZNTiY7AnnEtp6cxEqE6MDgxDTALBgNVBAoTBFRLMjYxJzAlBgNVBAMT
622 HkNBIFRLMjY6IEdPU1QgMzQuMTAtMTIgMjU2LWJpdIIEAYy6gTAdBgNVHQ4EFgQU
623 K+l9HAscONGxzCcRpxRAmFHvlXowCgYIKoUDBwEBAwIDQQAbjA0Q41/rIKOOvjHK
624 sAsoEJM+WJf6/PKXg2JaStthmw99bdtwwkU/qDbcje2tF6mt+XWyQBXwvfeES1GF
625 Y9fJMYIBlDCCAZACAQEwQDA4MQ0wCwYDVQQKEwRUSzI2MScwJQYDVQQDEx5DQSBU
626 SzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQCBAGMuoQwCgYIKoUDBwEBAgOgga0w
627 GAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEHATAcBgkqhkiG9w0BCQUxDxcNMTkwMzIw
628 MTk1NTIyWjAiBgkqhkiG9w0BCWIxFQQTU2lnbmVkIGF0dHIncyB2YWx1ZTBPBgkq
629 hkiG9w0BCQQxQgRAUdPHEukF5BIfo9DoQIMdnB0ZLkzq0RueEUZSNv07A7C+GKWi
630 G62fueArg8uPCHPTUN6d/42p33fgMkEwH7f7cDAKBggqhQMHAQEBAgSBgGUnVka8
631 FvTlClmOtj/FUUacBdE/nEBeMLOO/535VDYrXlftPE6zQf/4ghS7TQG2VRGQ3GWD
632 +L3+W09A7d5uyyTEbvgtdllUG0OyqFwKmJEaYsMin87SFVs0cn1PGV1fOKeLluZa
633 bLx5whxd+mzlpekL5i6ImRX+TpERxrA/xSe5
635 _, sd = ci["content"].defined
636 content = bytes(sd["encapContentInfo"]["eContent"])
638 content.decode("cp1251"),
639 text_type(u"Контрольный пример для структуры SignedData."),
641 si = sd["signerInfos"][0]
643 si["digestAlgorithm"]["algorithm"],
644 id_tc26_gost3411_2012_512,
647 bytes(attr["attrValues"][0].defined[1]) for attr in si["signedAttrs"]
648 if attr["attrType"] == id_messageDigest
650 self.assertSequenceEqual(digest, GOST34112012512(content).digest())
651 self.assertTrue(verify(
655 SignedAttributes(si["signedAttrs"]).encode()
657 bytes(si["signature"]),
660 def test_signed_without_attrs(self):
661 ci = ContentInfo().decod(b64decode("""
662 MIIDAQYJKoZIhvcNAQcCoIIC8jCCAu4CAQExDDAKBggqhQMHAQECAjA7BgkqhkiG
663 9w0BBwGgLgQsyu7t8vDu6/zt++kg7/Do7OXwIOTr/yDx8vDz6vLz8PsgU2lnbmVk
664 RGF0YS6gggH3MIIB8zCCAaCgAwIBAgIEAYy6gjAKBggqhQMHAQEDAjA4MQ0wCwYD
665 VQQKEwRUSzI2MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1Ni1i
666 aXQwHhcNMDEwMTAxMDAwMDAwWhcNNDkxMjMxMDAwMDAwWjA7MQ0wCwYDVQQKEwRU
667 SzI2MSowKAYDVQQDEyFPUklHSU5BVE9SOiBHT1NUIDM0LjEwLTEyIDI1Ni1iaXQw
668 aDAhBggqhQMHAQEBATAVBgkqhQMHAQIBAQEGCCqFAwcBAQICA0MABECWKQ0TYllq
669 g4GmY3tBJiyzpXUN+aOV9WbmTUinqrmEHP7KCNzoAzFg+04SSQpNNSHpQnm+jLAZ
670 huJaJfqZ6VbTo4GFMIGCMGEGA1UdAQRaMFiAFIDZDPeZ+GZNk1OJjsCecS2npzES
671 oTowODENMAsGA1UEChMEVEsyNjEnMCUGA1UEAxMeQ0EgVEsyNjogR09TVCAzNC4x
672 MC0xMiAyNTYtYml0ggQBjLqBMB0GA1UdDgQWBBTRnChHSWbQYwnJC62n2zu5Njd0
673 3zAKBggqhQMHAQEDAgNBAB41oijaXSEn58l78y2rhxY35/lKEq4XWZ70FtsNlVxW
674 ATyzgO5Wliwnt1O4GoZsxx8r6T/i7VG65UNmQlwdOKQxgaIwgZ8CAQEwQDA4MQ0w
675 CwYDVQQKEwRUSzI2MScwJQYDVQQDEx5DQSBUSzI2OiBHT1NUIDM0LjEwLTEyIDI1
676 Ni1iaXQCBAGMuoIwCgYIKoUDBwEBAgIwCgYIKoUDBwEBAQEEQC6jZPA59szL9FiA
677 0wC71EBE42ap6gKxklT800cu2FvbLu972GJYNSI7+UeanVU37OVWyenEXi2E5HkU
680 _, sd = ci["content"].defined
681 content = bytes(sd["encapContentInfo"]["eContent"])
683 content.decode("cp1251"),
684 text_type(u"Контрольный пример для структуры SignedData."),
686 si = sd["signerInfos"][0]
688 si["digestAlgorithm"]["algorithm"],
689 id_tc26_gost3411_2012_256,
691 self.assertTrue(verify(
694 GOST34112012256(content).digest()[::-1],
695 bytes(si["signature"]),
698 def test_kari_ephemeral(self):
699 ci = ContentInfo().decod(b64decode("""
700 MIIB/gYJKoZIhvcNAQcDoIIB7zCCAesCAQIxggFioYIBXgIBA6CBo6GBoDAXBggq
701 hQMHAQEBAjALBgkqhQMHAQIBAgEDgYQABIGAe+itJVNbHM35RHfzuwFJPYdPXqtW
702 8hNEF7Z/XFEE2T71SRkhFX7ozYKQNh/TkVY9D4vG0LnD9Znr/pJyOjpsNb+dPcKX
703 Kbk/0JQxoPGHxFzASVAFq0ov/yBe2XGFWMeKUqtaAr7SvoYS0oEhT5EuT8BXmecd
704 nRe7NqOzESpb15ahIgQgsqHxOcdOp03l11S7k3OH1k1HNa5F8m9ctrOzH2846FMw
705 FwYJKoUDBwEBBwIBMAoGCCqFAwcBAQYCMHYwdDBAMDgxDTALBgNVBAoTBFRLMjYx
706 JzAlBgNVBAMTHkNBIFRLMjY6IEdPU1QgMzQuMTAtMTIgMjU2LWJpdAIEAYy6hQQw
707 SxLc18zMwzLwXbcKqYhV/VzsdBgVArOHsSBIbaThJWE7zI37VGPMQJM5VXJ7GVcL
708 MF0GCSqGSIb3DQEHATAfBgkqhQMHAQEFAgIwEgQQ6EeVlADDCz2cdEWKy+tM94Av
709 yIFl/Ie4VeFFuczTsMsIaOUEe3Jn9GeVp8hZSj3O2q4hslQ/u/+Gj4QkSHm/M0ih
710 ITAfBgkqhQMHAQAGAQExEgQQs1t6D3J3WCEvxunnEE15NQ==
712 _, ed = ci["content"].defined
713 kari = ed["recipientInfos"][0]["kari"]
714 orig_key = kari["originator"]["originatorKey"]
715 self.assertEqual(orig_key["algorithm"]["algorithm"], id_tc26_gost3410_2012_512)
717 GostR34102012PublicKeyParameters().decod(
718 bytes(orig_key["algorithm"]["parameters"])
719 )["publicKeyParamSet"],
720 id_tc26_gost3410_2012_512_paramSetA,
722 orig_pub = pub_unmarshal(
723 bytes(OctetString().decod(bytes(orig_key["publicKey"]))),
725 ukm = bytes(kari["ukm"])
727 kari["keyEncryptionAlgorithm"]["algorithm"],
728 id_gostr3412_2015_kuznyechik_wrap_kexp15,
731 kari["keyEncryptionAlgorithm"]["parameters"].defined[1]["algorithm"],
732 id_tc26_agreement_gost3410_2012_512,
734 kexp = bytes(kari["recipientEncryptedKeys"][0]["encryptedKey"])
735 keymat = keg(self.curve512, self.recipient512_prv, orig_pub, ukm)
736 kim, kek = keymat[:KEYSIZE], keymat[KEYSIZE:]
738 GOST3412Kuznechik(kek).encrypt,
739 GOST3412Kuznechik(kim).encrypt,
740 GOST3412Kuznechik.blocksize,
742 ukm[24:24 + GOST3412Kuznechik.blocksize // 2],
744 eci = ed["encryptedContentInfo"]
746 eci["contentEncryptionAlgorithm"]["algorithm"],
747 id_gostr3412_2015_kuznyechik_ctracpkm_omac,
750 eci["contentEncryptionAlgorithm"]["parameters"].defined[1]["ukm"]
752 self.assertEqual(ed["unprotectedAttrs"][0]["attrType"], id_cms_mac_attr)
753 encrypted_mac = bytes(ed["unprotectedAttrs"][0]["attrValues"][0].defined[1])
754 encrypted_content = bytes(eci["encryptedContent"])
755 cek_enc, cek_mac = kdf_tree_gostr3411_2012_256(
756 cek, b"kdf tree", eci_ukm[GOST3412Kuznechik.blocksize // 2:], 2,
758 content_and_tag = ctr_acpkm(
760 GOST3412Kuznechik(cek_enc).encrypt,
762 GOST3412Kuznechik.blocksize,
763 encrypted_content + encrypted_mac,
764 eci_ukm[:GOST3412Kuznechik.blocksize // 2],
766 content = content_and_tag[:-GOST3412Kuznechik.blocksize]
767 tag_expected = content_and_tag[-GOST3412Kuznechik.blocksize:]
768 self.assertSequenceEqual(
770 GOST3412Kuznechik(cek_mac).encrypt,
771 GOST3412Kuznechik.blocksize,
777 content.decode("cp1251"),
778 text_type(u"Контрольный пример для структуры EnvelopedData."),
781 def test_kari_static(self):
782 ci = ContentInfo().decod(b64decode("""
783 MIIBawYJKoZIhvcNAQcDoIIBXDCCAVgCAQIxgfehgfQCAQOgQjBAMDgxDTALBgNV
784 BAoTBFRLMjYxJzAlBgNVBAMTHkNBIFRLMjY6IEdPU1QgMzQuMTAtMTIgMjU2LWJp
785 dAIEAYy6gqEiBCBvcfyuSF57y8vVyaw8Z0ch3wjC4lPKTrpVRXty4Rhk5DAXBgkq
786 hQMHAQEHAQEwCgYIKoUDBwEBBgEwbjBsMEAwODENMAsGA1UEChMEVEsyNjEnMCUG
787 A1UEAxMeQ0EgVEsyNjogR09TVCAzNC4xMC0xMiAyNTYtYml0AgQBjLqDBChPbi6B
788 krXuLPexPAL2oUGCFWDGQHqINL5ExuMBG7/5XQRqriKARVa0MFkGCSqGSIb3DQEH
789 ATAbBgkqhQMHAQEFAQEwDgQMdNdCKnYAAAAwqTEDgC9O2bYyTGQJ8WUQGq0zHwzX
790 L0jFhWHTF1tcAxYmd9pX5i89UwIxhtYqyjX1QHju2g==
792 _, ed = ci["content"].defined
793 kari = ed["recipientInfos"][0]["kari"]
794 ukm = bytes(kari["ukm"])
796 kari["keyEncryptionAlgorithm"]["algorithm"],
797 id_gostr3412_2015_magma_wrap_kexp15,
800 kari["keyEncryptionAlgorithm"]["parameters"].defined[1]["algorithm"],
801 id_tc26_agreement_gost3410_2012_256,
803 kexp = bytes(kari["recipientEncryptedKeys"][0]["encryptedKey"])
806 self.recipient256_prv,
810 kim, kek = keymat[:KEYSIZE], keymat[KEYSIZE:]
812 GOST3412Magma(kek).encrypt,
813 GOST3412Magma(kim).encrypt,
814 GOST3412Magma.blocksize,
816 ukm[24:24 + GOST3412Magma.blocksize // 2],
818 eci = ed["encryptedContentInfo"]
820 eci["contentEncryptionAlgorithm"]["algorithm"],
821 id_gostr3412_2015_magma_ctracpkm,
824 eci["contentEncryptionAlgorithm"]["parameters"].defined[1]["ukm"]
828 GOST3412Magma(cek).encrypt,
830 GOST3412Magma.blocksize,
831 bytes(eci["encryptedContent"]),
832 eci_ukm[:GOST3412Magma.blocksize // 2],
835 content.decode("cp1251"),
836 text_type(u"Контрольный пример для структуры EnvelopedData."),
839 def test_ktri_256(self):
840 ci = ContentInfo().decod(b64decode("""
841 MIIBlQYJKoZIhvcNAQcDoIIBhjCCAYICAQAxggEcMIIBGAIBADBAMDgxDTALBgNV
842 BAoTBFRLMjYxJzAlBgNVBAMTHkNBIFRLMjY6IEdPU1QgMzQuMTAtMTIgMjU2LWJp
843 dAIEAYy6gzAXBgkqhQMHAQEHAgEwCgYIKoUDBwEBBgEEgbcwgbQEMFiMredFR3Mv
844 3g2wqyVXRnrhYEBMNFaqqgBpHwPQh3bF98tt9HZPxRDCww0OPfxeuTBeMBcGCCqF
845 AwcBAQEBMAsGCSqFAwcBAgEBAQNDAARAdFJ9ww+3ptvQiaQpizCldNYhl4DB1rl8
846 Fx/2FIgnwssCbYRQ+UuRsTk9dfLLTGJG3JIEXKFxXWBgOrK965A5pAQg9f2/EHxG
847 DfetwCe1a6uUDCWD+wp5dYOpfkry8YRDEJgwXQYJKoZIhvcNAQcBMB8GCSqFAwcB
848 AQUCATASBBDUHNxmVclO/v3OaY9P7jxOgC+sD9CHGlEMRUpfGn6yfFDMExmYeby8
849 LzdPJe1MkYV0qQgdC1zI3nQ7/4taf+4zRA==
851 _, ed = ci["content"].defined
852 ktri = ed["recipientInfos"][0]["ktri"]
854 ktri["keyEncryptionAlgorithm"]["algorithm"],
855 id_gostr3412_2015_kuznyechik_wrap_kexp15,
858 ktri["keyEncryptionAlgorithm"]["parameters"].defined[1]["algorithm"],
859 id_tc26_agreement_gost3410_2012_256,
861 _, encrypted_key = ktri["encryptedKey"].defined
863 encrypted_key["ephemeralPublicKey"]["algorithm"]["algorithm"],
864 id_tc26_gost3410_2012_256,
866 pub = pub_unmarshal(bytes(OctetString().decod(
867 bytes(encrypted_key["ephemeralPublicKey"]["subjectPublicKey"])
869 ukm = bytes(encrypted_key["ukm"])
870 kexp = bytes(encrypted_key["encryptedKey"])
871 keymat = keg(self.curve256, self.recipient256_prv, pub, ukm)
872 kim, kek = keymat[:KEYSIZE], keymat[KEYSIZE:]
874 GOST3412Kuznechik(kek).encrypt,
875 GOST3412Kuznechik(kim).encrypt,
876 GOST3412Kuznechik.blocksize,
878 ukm[24:24 + GOST3412Kuznechik.blocksize // 2],
880 eci = ed["encryptedContentInfo"]
882 eci["contentEncryptionAlgorithm"]["algorithm"],
883 id_gostr3412_2015_kuznyechik_ctracpkm,
886 eci["contentEncryptionAlgorithm"]["parameters"].defined[1]["ukm"]
890 GOST3412Kuznechik(cek).encrypt,
892 GOST3412Kuznechik.blocksize,
893 bytes(eci["encryptedContent"]),
894 eci_ukm[:GOST3412Kuznechik.blocksize // 2],
897 content.decode("cp1251"),
898 text_type(u"Контрольный пример для структуры EnvelopedData."),
901 def test_ktri_512(self):
902 ci = ContentInfo().decod(b64decode("""
903 MIIB5wYJKoZIhvcNAQcDoIIB2DCCAdQCAQAxggFXMIIBUwIBADBAMDgxDTALBgNVBAoTBFRL
904 MjYxJzAlBgNVBAMTHkNBIFRLMjY6IEdPU1QgMzQuMTAtMTIgMjU2LWJpdAIEAYy6hTAXBgkq
905 hQMHAQEHAQEwCgYIKoUDBwEBBgIEgfIwge8EKDof9JLTJVuIfP+c+imDCGyOLtAYENkoXpeU
906 CdiGn0Lt65t3TN9G0bUwgaAwFwYIKoUDBwEBAQIwCwYJKoUDBwECAQIBA4GEAASBgDD9XXHn
907 0j4EwY3DGB1wzHeThPRDlCwIvpmqWy00QDhS3fLRWiETSe9uMLeg27zI/EiserKMasNZum/i
908 d09cmP8aTNIDNRtI5H9M0mH7LpEtY8L901MszvOKHLDYdemvz0JUqOvBtvoeQ6sV4Gl45zXx
909 HTzBWlBw1FLX/ITWLapaBCAa09foTeA+PObBznGuCOPoKy+xz/9IIVmZidI6EYkIrzBZBgkq
910 hkiG9w0BBwEwGwYJKoUDBwEBBQECMA4EDA4z1UwRL4WYzKFX/oAv8eEX3fWt6hxDpjO0rI7/
911 CiJ/CwYGCKODJ9h63vAwlsWwcPwAjxcsLvCNlv6i4NqhGTAXBgkqhQMHAQAGAQExCgQIs2DT
914 _, ed = ci["content"].defined
915 ktri = ed["recipientInfos"][0]["ktri"]
917 ktri["keyEncryptionAlgorithm"]["algorithm"],
918 id_gostr3412_2015_magma_wrap_kexp15,
921 ktri["keyEncryptionAlgorithm"]["parameters"].defined[1]["algorithm"],
922 id_tc26_agreement_gost3410_2012_512,
924 _, encrypted_key = ktri["encryptedKey"].defined
926 encrypted_key["ephemeralPublicKey"]["algorithm"]["algorithm"],
927 id_tc26_gost3410_2012_512,
930 bytes(OctetString().decod(
931 bytes(encrypted_key["ephemeralPublicKey"]["subjectPublicKey"])
934 ukm = bytes(encrypted_key["ukm"])
935 kexp = bytes(encrypted_key["encryptedKey"])
936 keymat = keg(self.curve512, self.recipient512_prv, pub, ukm)
937 kim, kek = keymat[:KEYSIZE], keymat[KEYSIZE:]
939 GOST3412Magma(kek).encrypt,
940 GOST3412Magma(kim).encrypt,
941 GOST3412Magma.blocksize,
943 ukm[24:24 + GOST3412Magma.blocksize // 2],
945 eci = ed["encryptedContentInfo"]
947 eci["contentEncryptionAlgorithm"]["algorithm"],
948 id_gostr3412_2015_magma_ctracpkm_omac,
951 eci["contentEncryptionAlgorithm"]["parameters"].defined[1]["ukm"]
953 self.assertEqual(ed["unprotectedAttrs"][0]["attrType"], id_cms_mac_attr)
954 encrypted_mac = bytes(ed["unprotectedAttrs"][0]["attrValues"][0].defined[1])
955 encrypted_content = bytes(eci["encryptedContent"])
956 cek_enc, cek_mac = kdf_tree_gostr3411_2012_256(
957 cek, b"kdf tree", eci_ukm[GOST3412Magma.blocksize // 2:], 2,
959 content_and_tag = ctr_acpkm(
961 GOST3412Magma(cek_enc).encrypt,
963 GOST3412Magma.blocksize,
964 encrypted_content + encrypted_mac,
965 eci_ukm[:GOST3412Magma.blocksize // 2],
967 content = content_and_tag[:-GOST3412Magma.blocksize]
968 tag_expected = content_and_tag[-GOST3412Magma.blocksize:]
969 self.assertSequenceEqual(
971 GOST3412Magma(cek_mac).encrypt,
972 GOST3412Magma.blocksize,
978 content.decode("cp1251"),
979 text_type(u"Контрольный пример для структуры EnvelopedData."),
982 def test_digested256(self):
983 ci = ContentInfo().decod(b64decode("""
984 MH0GCSqGSIb3DQEHBaBwMG4CAQAwCgYIKoUDBwEBAgIwOwYJKoZIhvcNAQcBoC4ELMru7fLw
985 7uv87fvpIO/w6Ozl8CDk6/8g8fLw8+ry8/D7IERpZ2VzdERhdGEuBCD/esPQYsGkzxZV8uUM
986 IAWt6SI8KtxBP8NyG8AGbJ8i/Q==
988 _, dd = ci["content"].defined
989 eci = dd["encapContentInfo"]
990 self.assertSequenceEqual(
991 GOST34112012256(bytes(eci["eContent"])).digest(),
995 def test_digested512(self):
996 ci = ContentInfo().decod(b64decode("""
997 MIGfBgkqhkiG9w0BBwWggZEwgY4CAQAwCgYIKoUDBwEBAgMwOwYJKoZIhvcNAQcBoC4ELMru
998 7fLw7uv87fvpIO/w6Ozl8CDk6/8g8fLw8+ry8/D7IERpZ2VzdERhdGEuBEDe4VUvcKSRvU7R
999 FVhFjajXY+nJSUkUsoi3oOeJBnru4PErt8RusPrCJs614ciHCM+ehrC4a+M1Nbq77F/Wsa/v
1001 _, dd = ci["content"].defined
1002 eci = dd["encapContentInfo"]
1003 self.assertSequenceEqual(
1004 GOST34112012512(bytes(eci["eContent"])).digest(),
1005 bytes(dd["digest"]),
1008 def test_encrypted_kuznechik(self):
1009 ci = ContentInfo().decod(b64decode("""
1010 MHEGCSqGSIb3DQEHBqBkMGICAQAwXQYJKoZIhvcNAQcBMB8GCSqFAwcBAQUCATASBBBSwX+z
1011 yOEPPuGyfpsRG4AigC/P8ftTdQMStfIThVkE/vpJlwaHgGv83m2bsPayeyuqpoTeEMOaqGcO
1014 _, ed = ci["content"].defined
1015 eci = ed["encryptedContentInfo"]
1017 eci["contentEncryptionAlgorithm"]["algorithm"],
1018 id_gostr3412_2015_kuznyechik_ctracpkm,
1021 eci["contentEncryptionAlgorithm"]["parameters"].defined[1]["ukm"]
1023 content = ctr_acpkm(
1025 GOST3412Kuznechik(self.psk).encrypt,
1027 GOST3412Kuznechik.blocksize,
1028 bytes(eci["encryptedContent"]),
1029 ukm[:GOST3412Kuznechik.blocksize // 2],
1032 content.decode("cp1251"),
1033 text_type(u"Контрольный пример для структуры EncryptedData."),
1036 def test_encrypted_magma(self):
1037 ci = ContentInfo().decod(b64decode("""
1038 MIGIBgkqhkiG9w0BBwagezB5AgEAMFkGCSqGSIb3DQEHATAbBgkqhQMHAQEFAQIwDgQMuncO
1039 u3uYPbI30vFCgC9Nsws4R09yLp6jUtadncWUPZGmCGpPKnXGgNHvEmUArgKJvu4FPHtLkHuL
1040 eQXZg6EZMBcGCSqFAwcBAAYBATEKBAjCbQoH632oGA==
1042 _, ed = ci["content"].defined
1043 eci = ed["encryptedContentInfo"]
1045 eci["contentEncryptionAlgorithm"]["algorithm"],
1046 id_gostr3412_2015_magma_ctracpkm_omac,
1049 eci["contentEncryptionAlgorithm"]["parameters"].defined[1]["ukm"]
1051 self.assertEqual(ed["unprotectedAttrs"][0]["attrType"], id_cms_mac_attr)
1052 encrypted_mac = bytes(ed["unprotectedAttrs"][0]["attrValues"][0].defined[1])
1053 cek_enc, cek_mac = kdf_tree_gostr3411_2012_256(
1054 self.psk, b"kdf tree", ukm[GOST3412Magma.blocksize // 2:], 2,
1056 content_and_tag = ctr_acpkm(
1058 GOST3412Magma(cek_enc).encrypt,
1060 GOST3412Magma.blocksize,
1061 bytes(eci["encryptedContent"]) + encrypted_mac,
1062 ukm[:GOST3412Magma.blocksize // 2],
1064 content = content_and_tag[:-GOST3412Magma.blocksize]
1065 tag_expected = content_and_tag[-GOST3412Magma.blocksize:]
1066 self.assertSequenceEqual(
1068 GOST3412Magma(cek_mac).encrypt,
1069 GOST3412Magma.blocksize,
1075 content.decode("cp1251"),
1076 text_type(u"Контрольный пример для структуры EncryptedData."),