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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 rfc7585
class NAIRealmCertTestCase(unittest.TestCase):
cert_pem_text = """\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"""
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))
nai_realm_oid = rfc7585.id_on_naiRealm
nai_realm_found = False
for extn in asn1Object['tbsCertificate']['extensions']:
if extn['extnID'] == rfc5280.id_ce_subjectAltName:
extnValue, rest = der_decoder(
extn['extnValue'], asn1Spec=rfc5280.SubjectAltName())
self.assertFalse(rest)
self.assertTrue(extnValue.prettyPrint())
self.assertEqual(extn['extnValue'], der_encoder(extnValue))
for gn in extnValue:
if gn['otherName'].hasValue():
self.assertEqual(
nai_realm_oid, gn['otherName']['type-id'])
onValue, rest = der_decoder(
gn['otherName']['value'], asn1Spec=rfc7585.NAIRealm())
self.assertFalse(rest)
self.assertTrue(onValue.prettyPrint())
self.assertEqual(
gn['otherName']['value'], der_encoder(onValue))
self.assertIn('example', onValue)
nai_realm_found = True
self.assertTrue(nai_realm_found)
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))
nai_realm_oid = rfc7585.id_on_naiRealm
nai_realm_found = False
for extn in asn1Object['tbsCertificate']['extensions']:
if extn['extnID'] == rfc5280.id_ce_subjectAltName:
extnValue, rest = der_decoder(
extn['extnValue'], asn1Spec=rfc5280.SubjectAltName(),
decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(extnValue.prettyPrint())
self.assertEqual(extn['extnValue'], der_encoder(extnValue))
for gn in extnValue:
if gn['otherName'].hasValue():
self.assertEqual(
nai_realm_oid, gn['otherName']['type-id'])
self.assertIn('example', gn['otherName']['value'])
nai_realm_found = True
self.assertTrue(nai_realm_found)
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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