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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 rfc8520
class MUDCertTestCase(unittest.TestCase):
mud_cert_pem_text = """\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"""
def setUp(self):
self.asn1Spec = rfc5280.Certificate()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.mud_cert_pem_text)
asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
extn_list = []
for extn in asn1Object['tbsCertificate']['extensions']:
extn_list.append(extn['extnID'])
if extn['extnID'] == rfc8520.id_pe_mudsigner:
mudsigner, rest = der_decoder(
extn['extnValue'], rfc8520.MUDsignerSyntax())
self.assertEqual(extn['extnValue'], der_encoder(mudsigner))
c = rfc5280.X520countryName(value="CH")
self.assertEqual(mudsigner[0][0][0]['value'], der_encoder(c))
e = rfc5280.EmailAddress(value="ascertia@ofcourseimright.com")
self.assertEqual(mudsigner[0][1][0]['value'], der_encoder(e))
cn = rfc5280.X520CommonName()
cn['printableString'] = "Eliot Lear"
self.assertEqual(mudsigner[0][2][0]['value'], der_encoder(cn))
if extn['extnID'] == rfc8520.id_pe_mud_url:
mudurl, rest = der_decoder(
extn['extnValue'], rfc8520.MUDURLSyntax())
self.assertEqual(extn['extnValue'], der_encoder(mudurl))
self.assertEqual(".json", mudurl[-5:])
self.assertIn(rfc8520.id_pe_mudsigner, extn_list)
self.assertIn(rfc8520.id_pe_mud_url, extn_list)
def testExtensionsMap(self):
substrate = pem.readBase64fromText(self.mud_cert_pem_text)
asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
for extn in asn1Object['tbsCertificate']['extensions']:
if extn['extnID'] in rfc5280.certificateExtensionsMap.keys():
extnValue, rest = der_decoder(
extn['extnValue'],
asn1Spec=rfc5280.certificateExtensionsMap[extn['extnID']])
self.assertEqual(extn['extnValue'], der_encoder(extnValue))
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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