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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 rfc5916
class DeviceCertTestCase(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))
found_dev_owner = False
der_dev_own_oid = der_encoder(univ.ObjectIdentifier('1.3.6.1.4.1.22112.48.24'))
for extn in asn1Object['tbsCertificate']['extensions']:
if extn['extnID'] == rfc5280.id_ce_subjectDirectoryAttributes:
self.assertIn(extn['extnID'], rfc5280.certificateExtensionsMap)
ev, rest = der_decoder(
extn['extnValue'],
asn1Spec=rfc5280.certificateExtensionsMap[extn['extnID']])
self.assertFalse(rest)
self.assertTrue(ev.prettyPrint())
self.assertEqual(extn['extnValue'], der_encoder(ev))
for attr in ev:
if attr['type'] == rfc5916.id_deviceOwner:
self.assertEqual(der_dev_own_oid, attr['values'][0])
found_dev_owner = True
self.assertTrue(found_dev_owner)
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))
found_dev_owner = False
dev_own_oid = univ.ObjectIdentifier('1.3.6.1.4.1.22112.48.24')
for extn in asn1Object['tbsCertificate']['extensions']:
if extn['extnID'] == rfc5280.id_ce_subjectDirectoryAttributes:
self.assertIn(extn['extnID'], rfc5280.certificateExtensionsMap)
ev, rest = der_decoder(
extn['extnValue'],
asn1Spec=rfc5280.certificateExtensionsMap[extn['extnID']],
decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(ev.prettyPrint())
self.assertEqual(extn['extnValue'], der_encoder(ev))
for attr in ev:
if attr['type'] == rfc5916.id_deviceOwner:
self.assertEqual(dev_own_oid, attr['values'][0])
found_dev_owner = True
self.assertTrue(found_dev_owner)
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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