| # |
| # 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_modules import pem |
| from pyasn1_modules import rfc5280 |
| from pyasn1_modules import rfc5480 |
| from pyasn1_modules import rfc5639 |
| |
| |
| class ECCertTestCase(unittest.TestCase): |
| brainpool_ec_cert_pem_text = """\ |
| MIIB0jCCAXmgAwIBAgITPUXQAyl3ZE5iAHYGZYSp1FkqzTAKBggqhkjOPQQDAjA/ |
| MQswCQYDVQQGEwJVUzELMAkGA1UECAwCVkExEDAOBgNVBAcMB0hlcm5kb24xETAP |
| BgNVBAoMCEJvZ3VzIENBMB4XDTE5MTIwOTIxNDM0NFoXDTIxMTIwODIxNDM0NFow |
| PzELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAlZBMRAwDgYDVQQHDAdIZXJuZG9uMREw |
| DwYDVQQKDAhCb2d1cyBDQTBaMBQGByqGSM49AgEGCSskAwMCCAEBBwNCAASBvvOk |
| WNZlGAf5O3V94qgC3IUUR/6uxFxT6To0ULFmrVVndXiVP6DE5h5QHGXPwKfO+4Yt |
| n0OVnGHp68dPS37Go1MwUTAdBgNVHQ4EFgQUiRFFVcdn6Fp9+sEP1GVRtwl9XgIw |
| HwYDVR0jBBgwFoAUiRFFVcdn6Fp9+sEP1GVRtwl9XgIwDwYDVR0TAQH/BAUwAwEB |
| /zAKBggqhkjOPQQDAgNHADBEAiB3d+P64Dh5YzwyM++uOL6zHUeLbNpW2sF1eJsm |
| l3M5uQIgGxpbAXOt/o1xtyhEGLNUBE7ObgQpm7tHMMQGUHo4wV8= |
| """ |
| |
| def setUp(self): |
| self.asn1Spec = rfc5280.Certificate() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.brainpool_ec_cert_pem_text) |
| asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder(asn1Object)) |
| |
| spki = asn1Object['tbsCertificate']['subjectPublicKeyInfo'] |
| algid = spki['algorithm'] |
| |
| self.assertEqual(rfc5480.id_ecPublicKey, algid['algorithm']) |
| |
| param, rest = der_decoder( |
| algid['parameters'], asn1Spec=rfc5480.ECParameters()) |
| |
| self.assertFalse(rest) |
| self.assertTrue(param.prettyPrint()) |
| self.assertEqual(algid['parameters'], der_encoder(param)) |
| |
| self.assertEqual(rfc5639.brainpoolP256r1, param['namedCurve']) |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.brainpool_ec_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)) |
| |
| spki = asn1Object['tbsCertificate']['subjectPublicKeyInfo'] |
| algid = spki['algorithm'] |
| |
| self.assertEqual(rfc5480.id_ecPublicKey, algid['algorithm']) |
| self.assertEqual( |
| rfc5639.brainpoolP256r1, algid['parameters']['namedCurve']) |
| |
| |
| suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) |
| |
| if __name__ == '__main__': |
| result = unittest.TextTestRunner(verbosity=2).run(suite) |
| sys.exit(not result.wasSuccessful()) |