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#
# 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 = """\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"""
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())
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