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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.type import univ
from pyasn1_modules import pem
from pyasn1_modules import rfc5280
from pyasn1_modules import rfc4043
class PermIdCertTestCase(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))
perm_id_oid = rfc4043.id_on_permanentIdentifier
assigner_oid = univ.ObjectIdentifier('1.3.6.1.4.1.22112.48')
permanent_identifier_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(perm_id_oid, gn['otherName']['type-id'])
onValue, rest = der_decoder(
gn['otherName']['value'],
asn1Spec=rfc4043.PermanentIdentifier())
self.assertFalse(rest)
self.assertTrue(onValue.prettyPrint())
self.assertEqual(gn['otherName']['value'], der_encoder(onValue))
self.assertEqual(assigner_oid, onValue['assigner'])
permanent_identifier_found = True
self.assertTrue(permanent_identifier_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))
perm_id_oid = rfc4043.id_on_permanentIdentifier
assigner_oid = univ.ObjectIdentifier('1.3.6.1.4.1.22112.48')
permanent_identifier_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():
on = gn['otherName']
self.assertEqual(perm_id_oid, on['type-id'])
self.assertEqual(assigner_oid, on['value']['assigner'])
permanent_identifier_found = True
self.assertTrue(permanent_identifier_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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