| # |
| # This file is part of pyasn1-modules software. |
| # |
| # Created by Russ Housley |
| # Copyright (c) 2019, Vigil Security, LLC |
| # License: http://snmplabs.com/pyasn1/license.html |
| # |
| import sys |
| import unittest |
| |
| from pyasn1.codec.der.decoder import decode as der_decoder |
| from pyasn1.codec.der.encoder import encode as der_encoder |
| from pyasn1.compat.octets import str2octs |
| |
| from pyasn1_modules import pem |
| from pyasn1_modules import rfc5480 |
| from pyasn1_modules import rfc5280 |
| from pyasn1_modules import rfc3770 |
| |
| |
| class CertificateTestCase(unittest.TestCase): |
| cert_pem_text = """\ |
| MIICqzCCAjCgAwIBAgIJAKWzVCgbsG4/MAoGCCqGSM49BAMDMD8xCzAJBgNVBAYT |
| AlVTMQswCQYDVQQIDAJWQTEQMA4GA1UEBwwHSGVybmRvbjERMA8GA1UECgwIQm9n |
| dXMgQ0EwHhcNMTkwNzE5MTk0MjQ3WhcNMjAwNzE4MTk0MjQ3WjBjMQswCQYDVQQG |
| EwJVUzELMAkGA1UECBMCVkExEDAOBgNVBAcTB0hlcm5kb24xGzAZBgNVBAoTElZp |
| Z2lsIFNlY3VyaXR5IExMQzEYMBYGA1UEAxMPZWFwLmV4YW1wbGUuY29tMHYwEAYH |
| KoZIzj0CAQYFK4EEACIDYgAEMMbnIp2BUbuyMgH9HhNHrh7VBy7ql2lBjGRSsefR |
| Wa7+vCWs4uviW6On4eem5YoP9/UdO7DaIL+/J9/3DJHERI17oFxn+YWiE4JwXofy |
| QwfSu3cncVNMqpiDjEkUGGvBo4HTMIHQMAsGA1UdDwQEAwIHgDBCBglghkgBhvhC |
| AQ0ENRYzVGhpcyBjZXJ0aWZpY2F0ZSBjYW5ub3QgYmUgdHJ1c3RlZCBmb3IgYW55 |
| IHB1cnBvc2UuMB0GA1UdDgQWBBSDjPGr7M742rsE4oQGwBvGvllZ+zAfBgNVHSME |
| GDAWgBTyNds0BNqlVfK9aQOZsGLs4hUIwTAeBggrBgEFBQcBDQQSMBAEB0V4YW1w |
| bGUEBUJvZ3VzMB0GA1UdJQQWMBQGCCsGAQUFBwMOBggrBgEFBQcDDTAKBggqhkjO |
| PQQDAwNpADBmAjEAmCPZnnlUQOKlcOIIOgFrRCkOqO0ESs+dobYwAc2rFCBtQyP7 |
| C3N00xkX8WZZpiAZAjEAi1Z5+nGbJg5eJTc8fwudutN/HNwJEIS6mHds9kfcy26x |
| DAlVlhox680Jxy5J8Pkx |
| """ |
| |
| def setUp(self): |
| self.asn1Spec = rfc5280.Certificate() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.cert_pem_text) |
| asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder(asn1Object)) |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.cert_pem_text) |
| asn1Object, rest = der_decoder( |
| substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder(asn1Object)) |
| |
| sig_alg = asn1Object['tbsCertificate']['signature'] |
| |
| self.assertEqual(rfc5480.ecdsa_with_SHA384, sig_alg['algorithm']) |
| self.assertFalse(sig_alg['parameters'].hasValue()) |
| |
| spki_alg = asn1Object['tbsCertificate']['subjectPublicKeyInfo']['algorithm'] |
| |
| self.assertEqual(rfc5480.id_ecPublicKey, spki_alg['algorithm']) |
| self.assertEqual( |
| rfc5480.secp384r1, spki_alg['parameters']['namedCurve']) |
| |
| extn_list = [] |
| for extn in asn1Object['tbsCertificate']['extensions']: |
| extn_list.append(extn['extnID']) |
| if extn['extnID'] in rfc5280.certificateExtensionsMap.keys(): |
| extnValue, rest = der_decoder( |
| extn['extnValue'], |
| asn1Spec=rfc5280.certificateExtensionsMap[extn['extnID']]) |
| |
| self.assertEqual(extn['extnValue'], der_encoder(extnValue)) |
| |
| if extn['extnID'] == rfc3770.id_pe_wlanSSID: |
| self.assertIn(str2octs('Example'), extnValue) |
| |
| if extn['extnID'] == rfc5280.id_ce_extKeyUsage: |
| self.assertIn(rfc3770.id_kp_eapOverLAN, extnValue) |
| self.assertIn(rfc3770.id_kp_eapOverPPP, extnValue) |
| |
| self.assertIn(rfc3770.id_pe_wlanSSID, extn_list) |
| self.assertIn(rfc5280.id_ce_extKeyUsage, extn_list) |
| |
| |
| suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) |
| |
| if __name__ == '__main__': |
| unittest.TextTestRunner(verbosity=2).run(suite) |
