tests/test_crts.py

   1 # coding: utf-8
   2 # PyDERASN -- Python ASN.1 DER codec with abstract structures
   3 # Copyright (C) 2017-2020 Sergey Matveev <stargrave@stargrave.org>
   4 #
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU Lesser General Public License as
   7 # published by the Free Software Foundation, version 3 of the License.
   8 #
   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 Lesser General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with this program.  If not, see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 from datetime import datetime
  19 from unittest import TestCase
  20
  21 from pyderasn import Any
  22 from pyderasn import BitString
  23 from pyderasn import Boolean
  24 from pyderasn import Choice
  25 from pyderasn import GeneralizedTime
  26 from pyderasn import hexdec
  27 from pyderasn import IA5String
  28 from pyderasn import Integer
  29 from pyderasn import Null
  30 from pyderasn import ObjectIdentifier
  31 from pyderasn import OctetString
  32 from pyderasn import pprint
  33 from pyderasn import PrintableString
  34 from pyderasn import Sequence
  35 from pyderasn import SequenceOf
  36 from pyderasn import SetOf
  37 from pyderasn import tag_ctxc
  38 from pyderasn import tag_ctxp
  39 from pyderasn import TeletexString
  40 from pyderasn import UTCTime
  41
  42
  43 some_oids = {
  44     "1.2.840.113549.1.1.1": "id-rsaEncryption",
  45     "1.2.840.113549.1.1.5": "id-sha1WithRSAEncryption",
  46     "1.2.840.113549.1.9.1": "id-emailAddress",
  47     "2.5.29.14": "id-ce-subjectKeyIdentifier",
  48     "2.5.29.15": "id-ce-keyUsage",
  49     "2.5.29.17": "id-ce-subjectAltName",
  50     "2.5.29.18": "id-ce-issuerAltName",
  51     "2.5.29.19": "id-ce-basicConstraints",
  52     "2.5.29.31": "id-ce-cRLDistributionPoints",
  53     "2.5.29.35": "id-ce-authorityKeyIdentifier",
  54     "2.5.29.37": "id-ce-extKeyUsage",
  55     "2.5.4.3": "id-at-commonName",
  56     "2.5.4.6": "id-at-countryName",
  57     "2.5.4.7": "id-at-localityName",
  58     "2.5.4.8": "id-at-stateOrProvinceName",
  59     "2.5.4.10": "id-at-organizationName",
  60     "2.5.4.11": "id-at-organizationalUnitName",
  61 }
  62
  63
  64 class Version(Integer):
  65     schema = (
  66         ("v1", 0),
  67         ("v2", 1),
  68         ("v3", 2),
  69     )
  70
  71
  72 class CertificateSerialNumber(Integer):
  73     pass
  74
  75
  76 class AlgorithmIdentifier(Sequence):
  77     schema = (
  78         ("algorithm", ObjectIdentifier()),
  79         ("parameters", Any(optional=True)),
  80     )
  81
  82
  83 class AttributeType(ObjectIdentifier):
  84     pass
  85
  86
  87 class AttributeValue(Any):
  88     pass
  89
  90
  91 class OrganizationName(Choice):
  92     schema = (
  93         ("printableString", PrintableString()),
  94         ("teletexString", TeletexString()),
  95     )
  96
  97
  98 class AttributeTypeAndValue(Sequence):
  99     schema = (
 100         ("type", AttributeType(defines=(((".", "value"), {
 101             ObjectIdentifier("2.5.4.6"): PrintableString(),
 102             ObjectIdentifier("2.5.4.8"): PrintableString(),
 103             ObjectIdentifier("2.5.4.7"): PrintableString(),
 104             ObjectIdentifier("2.5.4.10"): OrganizationName(),
 105             ObjectIdentifier("2.5.4.3"): PrintableString(),
 106         }),))),
 107         ("value", AttributeValue()),
 108     )
 109
 110
 111 class RelativeDistinguishedName(SetOf):
 112     schema = AttributeTypeAndValue()
 113     bounds = (1, float("+inf"))
 114
 115
 116 class RDNSequence(SequenceOf):
 117     schema = RelativeDistinguishedName()
 118
 119
 120 class Name(Choice):
 121     schema = (
 122         ("rdnSequence", RDNSequence()),
 123     )
 124
 125
 126 class Time(Choice):
 127     schema = (
 128         ("utcTime", UTCTime()),
 129         ("generalTime", GeneralizedTime()),
 130     )
 131
 132
 133 class Validity(Sequence):
 134     schema = (
 135         ("notBefore", Time()),
 136         ("notAfter", Time()),
 137     )
 138
 139
 140 class SubjectPublicKeyInfo(Sequence):
 141     schema = (
 142         ("algorithm", AlgorithmIdentifier()),
 143         ("subjectPublicKey", BitString()),
 144     )
 145
 146
 147 class UniqueIdentifier(BitString):
 148     pass
 149
 150
 151 class Extension(Sequence):
 152     schema = (
 153         ("extnID", ObjectIdentifier()),
 154         ("critical", Boolean(default=False)),
 155         ("extnValue", OctetString()),
 156     )
 157
 158
 159 class Extensions(SequenceOf):
 160     schema = Extension()
 161     bounds = (1, float("+inf"))
 162
 163
 164 class TBSCertificate(Sequence):
 165     schema = (
 166         ("version", Version(expl=tag_ctxc(0), default="v1")),
 167         ("serialNumber", CertificateSerialNumber()),
 168         ("signature", AlgorithmIdentifier()),
 169         ("issuer", Name()),
 170         ("validity", Validity()),
 171         ("subject", Name()),
 172         ("subjectPublicKeyInfo", SubjectPublicKeyInfo()),
 173         ("issuerUniqueID", UniqueIdentifier(impl=tag_ctxp(1), optional=True)),
 174         ("subjectUniqueID", UniqueIdentifier(impl=tag_ctxp(2), optional=True)),
 175         ("extensions", Extensions(expl=tag_ctxc(3), optional=True)),
 176     )
 177
 178
 179 class Certificate(Sequence):
 180     schema = (
 181         ("tbsCertificate", TBSCertificate()),
 182         ("signatureAlgorithm", AlgorithmIdentifier()),
 183         ("signatureValue", BitString()),
 184     )
 185
 186
 187 class TestGoSelfSignedVector(TestCase):
 188     def runTest(self):
 189         raw = hexdec("".join((
 190             "30820218308201c20209008cc3379210ec2c98300d06092a864886f70d0101050",
 191             "500308192310b3009060355040613025858311330110603550408130a536f6d65",
 192             "2d5374617465310d300b06035504071304436974793121301f060355040a13184",
 193             "96e7465726e6574205769646769747320507479204c7464311a30180603550403",
 194             "131166616c73652e6578616d706c652e636f6d3120301e06092a864886f70d010",
 195             "901161166616c7365406578616d706c652e636f6d301e170d3039313030383030",
 196             "323535335a170d3130313030383030323535335a308192310b300906035504061",
 197             "3025858311330110603550408130a536f6d652d5374617465310d300b06035504",
 198             "071304436974793121301f060355040a1318496e7465726e65742057696467697",
 199             "47320507479204c7464311a30180603550403131166616c73652e6578616d706c",
 200             "652e636f6d3120301e06092a864886f70d010901161166616c7365406578616d7",
 201             "06c652e636f6d305c300d06092a864886f70d0101010500034b003048024100cd",
 202             "b7639c3278f006aa277f6eaf42902b592d8cbcbe38a1c92ba4695a331b1deadea",
 203             "dd8e9a5c27e8c4c2fd0a8889657722a4f2af7589cf2c77045dc8fdeec357d0203",
 204             "010001300d06092a864886f70d0101050500034100a67b06ec5ece92772ca413c",
 205             "ba3ca12568fdc6c7b4511cd40a7f659980402df2b998bb9a4a8cbeb34c0f0a78c",
 206             "f8d91ede14a5ed76bf116fe360aafa8821490435",
 207         )))
 208         crt = Certificate().decod(raw)
 209         tbs = crt["tbsCertificate"]
 210         self.assertEqual(tbs["version"], 0)
 211         self.assertFalse(tbs["version"].decoded)
 212         self.assertNotIn("version", tbs)
 213         self.assertEqual(tbs["serialNumber"], 10143011886257155224)
 214
 215         def assert_raw_equals(obj, expect):
 216             self.assertTrue(obj.decoded)
 217             self.assertSequenceEqual(
 218                 raw[obj.offset:obj.offset + obj.tlvlen],
 219                 expect.encode(),
 220             )
 221         assert_raw_equals(tbs["serialNumber"], Integer(10143011886257155224))
 222         algo_id = AlgorithmIdentifier((
 223             ("algorithm", ObjectIdentifier("1.2.840.113549.1.1.5")),
 224             ("parameters", Any(Null())),
 225         ))
 226         self.assertEqual(tbs["signature"], algo_id)
 227         assert_raw_equals(tbs["signature"], algo_id)
 228         rdnSeq = RDNSequence()
 229         for oid, klass, text in (
 230                 ("2.5.4.6", PrintableString, "XX"),
 231                 ("2.5.4.8", PrintableString, "Some-State"),
 232                 ("2.5.4.7", PrintableString, "City"),
 233                 ("2.5.4.10", PrintableString, "Internet Widgits Pty Ltd"),
 234                 ("2.5.4.3", PrintableString, "false.example.com"),
 235                 ("1.2.840.113549.1.9.1", IA5String, "false@example.com"),
 236         ):
 237             rdnSeq.append(
 238                 RelativeDistinguishedName((
 239                     AttributeTypeAndValue((
 240                         ("type", AttributeType(oid)),
 241                         ("value", AttributeValue(klass(text))),
 242                     )),
 243                 ))
 244             )
 245         issuer = Name(("rdnSequence", rdnSeq))
 246         self.assertEqual(tbs["issuer"], issuer)
 247         assert_raw_equals(tbs["issuer"], issuer)
 248         validity = Validity((
 249             ("notBefore", Time(
 250                 ("utcTime", UTCTime(datetime(2009, 10, 8, 0, 25, 53)))
 251             )),
 252             ("notAfter", Time(
 253                 ("utcTime", UTCTime(datetime(2010, 10, 8, 0, 25, 53)))
 254             )),
 255         ))
 256         self.assertEqual(tbs["validity"], validity)
 257         assert_raw_equals(tbs["validity"], validity)
 258         self.assertEqual(tbs["subject"], issuer)
 259         assert_raw_equals(tbs["subject"], issuer)
 260         spki = SubjectPublicKeyInfo()
 261         algo_id["algorithm"] = ObjectIdentifier("1.2.840.113549.1.1.1")
 262         spki["algorithm"] = algo_id
 263         spki["subjectPublicKey"] = BitString(hexdec("".join((
 264             "3048024100cdb7639c3278f006aa277f6eaf42902b592d8cbcbe38a1c92ba4695",
 265             "a331b1deadeadd8e9a5c27e8c4c2fd0a8889657722a4f2af7589cf2c77045dc8f",
 266             "deec357d0203010001",
 267         ))))
 268         self.assertEqual(tbs["subjectPublicKeyInfo"], spki)
 269         assert_raw_equals(tbs["subjectPublicKeyInfo"], spki)
 270         self.assertNotIn("issuerUniqueID", tbs)
 271         self.assertNotIn("subjectUniqueID", tbs)
 272         self.assertNotIn("extensions", tbs)
 273         algo_id["algorithm"] = ObjectIdentifier("1.2.840.113549.1.1.5")
 274         self.assertEqual(crt["signatureAlgorithm"], algo_id)
 275         self.assertEqual(crt["signatureValue"], BitString(hexdec("".join((
 276             "a67b06ec5ece92772ca413cba3ca12568fdc6c7b4511cd40a7f659980402df2b",
 277             "998bb9a4a8cbeb34c0f0a78cf8d91ede14a5ed76bf116fe360aafa8821490435",
 278         )))))
 279         self.assertSequenceEqual(crt.encode(), raw)
 280         pprint(crt)
 281         repr(crt)
 282
 283         tbs = TBSCertificate()
 284         tbs["serialNumber"] = CertificateSerialNumber(10143011886257155224)
 285
 286         sign_algo_id = AlgorithmIdentifier((
 287             ("algorithm", ObjectIdentifier("1.2.840.113549.1.1.5")),
 288             ("parameters", Any(Null())),
 289         ))
 290         tbs["signature"] = sign_algo_id
 291
 292         rdnSeq = RDNSequence()
 293         for oid, klass, text in (
 294                 ("2.5.4.6", PrintableString, "XX"),
 295                 ("2.5.4.8", PrintableString, "Some-State"),
 296                 ("2.5.4.7", PrintableString, "City"),
 297                 ("2.5.4.10", PrintableString, "Internet Widgits Pty Ltd"),
 298                 ("2.5.4.3", PrintableString, "false.example.com"),
 299                 ("1.2.840.113549.1.9.1", IA5String, "false@example.com"),
 300         ):
 301             rdnSeq.append(
 302                 RelativeDistinguishedName((
 303                     AttributeTypeAndValue((
 304                         ("type", AttributeType(oid)),
 305                         ("value", AttributeValue(klass(text))),
 306                     )),
 307                 ))
 308             )
 309         issuer = Name()
 310         issuer["rdnSequence"] = rdnSeq
 311         tbs["issuer"] = issuer
 312         tbs["subject"] = issuer
 313
 314         validity = Validity((
 315             ("notBefore", Time(
 316                 ("utcTime", UTCTime(datetime(2009, 10, 8, 0, 25, 53)),),
 317             )),
 318             ("notAfter", Time(
 319                 ("utcTime", UTCTime(datetime(2010, 10, 8, 0, 25, 53)),),
 320             )),
 321         ))
 322         tbs["validity"] = validity
 323
 324         spki = SubjectPublicKeyInfo()
 325         spki_algo_id = sign_algo_id.copy()
 326         spki_algo_id["algorithm"] = ObjectIdentifier("1.2.840.113549.1.1.1")
 327         spki["algorithm"] = spki_algo_id
 328         spki["subjectPublicKey"] = BitString(hexdec("".join((
 329             "3048024100cdb7639c3278f006aa277f6eaf42902b592d8cbcbe38a1c92ba4695",
 330             "a331b1deadeadd8e9a5c27e8c4c2fd0a8889657722a4f2af7589cf2c77045dc8f",
 331             "deec357d0203010001",
 332         ))))
 333         tbs["subjectPublicKeyInfo"] = spki
 334
 335         crt = Certificate()
 336         crt["tbsCertificate"] = tbs
 337         crt["signatureAlgorithm"] = sign_algo_id
 338         crt["signatureValue"] = BitString(hexdec("".join((
 339             "a67b06ec5ece92772ca413cba3ca12568fdc6c7b4511cd40a7f659980402df2b",
 340             "998bb9a4a8cbeb34c0f0a78cf8d91ede14a5ed76bf116fe360aafa8821490435",
 341         ))))
 342         self.assertSequenceEqual(crt.encode(), raw)
 343
 344
 345 class TestGoPayPalVector(TestCase):
 346     def runTest(self):
 347         raw = hexdec("".join((
 348             "30820644308205ada003020102020300f09b300d06092a864886f70d010105050",
 349             "030820112310b3009060355040613024553311230100603550408130942617263",
 350             "656c6f6e61311230100603550407130942617263656c6f6e61312930270603550",
 351             "40a13204950532043657274696669636174696f6e20417574686f726974792073",
 352             "2e6c2e312e302c060355040a142567656e6572616c4069707363612e636f6d204",
 353             "32e492e462e2020422d423632323130363935312e302c060355040b1325697073",
 354             "434120434c41534541312043657274696669636174696f6e20417574686f72697",
 355             "479312e302c06035504031325697073434120434c415345413120436572746966",
 356             "69636174696f6e20417574686f726974793120301e06092a864886f70d0109011",
 357             "61167656e6572616c4069707363612e636f6d301e170d30393032323432333034",
 358             "31375a170d3131303232343233303431375a308194310b3009060355040613025",
 359             "553311330110603550408130a43616c69666f726e696131163014060355040713",
 360             "0d53616e204672616e636973636f3111300f060355040a1308536563757269747",
 361             "931143012060355040b130b53656375726520556e6974312f302d060355040313",
 362             "267777772e70617970616c2e636f6d0073736c2e736563757265636f6e6e65637",
 363             "4696f6e2e636330819f300d06092a864886f70d010101050003818d0030818902",
 364             "818100d269fa6f3a00b4211bc8b102d73f19b2c46db454f88b8accdb72c29e3c6",
 365             "0b9c6913d82b77d99ffd12984c173539c82ddfc248c77d541f3e81e42a1ad2d9e",
 366             "ff5b1026ce9d571773162338c8d6f1baa3965b16674a4f73973a4d14a4f4e23f8",
 367             "b058342d1d0dc2f7ae5b610b211c0dc212a90ffae97715a4981ac40f33bb859b2",
 368             "4f0203010001a38203213082031d30090603551d1304023000301106096086480",
 369             "186f8420101040403020640300b0603551d0f0404030203f830130603551d2504",
 370             "0c300a06082b06010505070301301d0603551d0e04160414618f61344355147f2",
 371             "709ce4c8bea9b7b1925bc6e301f0603551d230418301680140e0760d439c91b5b",
 372             "5d907b23c8d2349d4a9a463930090603551d1104023000301c0603551d1204153",
 373             "013811167656e6572616c4069707363612e636f6d307206096086480186f84201",
 374             "0d046516634f7267616e697a6174696f6e20496e666f726d6174696f6e204e4f5",
 375             "42056414c4944415445442e20434c415345413120536572766572204365727469",
 376             "666963617465206973737565642062792068747470733a2f2f7777772e6970736",
 377             "3612e636f6d2f302f06096086480186f84201020422162068747470733a2f2f77",
 378             "77772e69707363612e636f6d2f6970736361323030322f304306096086480186f",
 379             "84201040436163468747470733a2f2f7777772e69707363612e636f6d2f697073",
 380             "6361323030322f697073636132303032434c41534541312e63726c30460609608",
 381             "6480186f84201030439163768747470733a2f2f7777772e69707363612e636f6d",
 382             "2f6970736361323030322f7265766f636174696f6e434c41534541312e68746d6",
 383             "c3f304306096086480186f84201070436163468747470733a2f2f7777772e6970",
 384             "7363612e636f6d2f6970736361323030322f72656e6577616c434c41534541312",
 385             "e68746d6c3f304106096086480186f84201080434163268747470733a2f2f7777",
 386             "772e69707363612e636f6d2f6970736361323030322f706f6c696379434c41534",
 387             "541312e68746d6c3081830603551d1f047c307a3039a037a0358633687474703a",
 388             "2f2f7777772e69707363612e636f6d2f6970736361323030322f6970736361323",
 389             "03032434c41534541312e63726c303da03ba0398637687474703a2f2f77777762",
 390             "61636b2e69707363612e636f6d2f6970736361323030322f69707363613230303",
 391             "2434c41534541312e63726c303206082b0601050507010104263024302206082b",
 392             "060105050730018616687474703a2f2f6f6373702e69707363612e636f6d2f300",
 393             "d06092a864886f70d01010505000381810068ee799797dd3bef166a06f2149a6e",
 394             "cd9e12f7aa8310bdd17c98fac7aed40e2c9e38059d5260a9990a81b498901daeb",
 395             "b4ad7b9dc889e3778415bf782a5f2ba41255a901a1e4538a1525875942644fb20",
 396             "07ba44cce54a2d723f9847f626dc054605076321ab469b9c78d5545b3d0c1ec86",
 397             "48cb55023826fdbb8221c439607a8bb",
 398         )))
 399         crt = Certificate().decod(raw)
 400         self.assertSequenceEqual(crt.encode(), raw)
 401         pprint(crt)
 402         repr(crt)