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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
from pyasn1.codec.der.decoder import decode as der_decode
from pyasn1.codec.der.encoder import encode as der_encode
from pyasn1.compat.octets import str2octs
from pyasn1_modules import pem
from pyasn1_modules import rfc5480
from pyasn1_modules import rfc5280
from pyasn1_modules import rfc3770
try:
import unittest2 as unittest
except ImportError:
import unittest
class CertificateTestCase(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_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert der_encode(asn1Object) == substrate
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.cert_pem_text)
asn1Object, rest = der_decode(substrate,
asn1Spec=self.asn1Spec,
decodeOpenTypes=True)
assert not rest
assert asn1Object.prettyPrint()
assert der_encode(asn1Object) == substrate
sig_alg = asn1Object['tbsCertificate']['signature']
assert sig_alg['algorithm'] == rfc5480.ecdsa_with_SHA384
assert not sig_alg['parameters'].hasValue()
spki_alg = asn1Object['tbsCertificate']['subjectPublicKeyInfo']['algorithm']
assert spki_alg['algorithm'] == rfc5480.id_ecPublicKey
assert spki_alg['parameters']['namedCurve'] == rfc5480.secp384r1
extn_list = [ ]
for extn in asn1Object['tbsCertificate']['extensions']:
extn_list.append(extn['extnID'])
if extn['extnID'] in rfc5280.certificateExtensionsMap.keys():
extnValue, rest = der_decode(extn['extnValue'],
asn1Spec=rfc5280.certificateExtensionsMap[extn['extnID']])
assert der_encode(extnValue) == extn['extnValue']
if extn['extnID'] == rfc3770.id_pe_wlanSSID:
assert str2octs('Example') in extnValue
if extn['extnID'] == rfc5280.id_ce_extKeyUsage:
assert rfc3770.id_kp_eapOverLAN in extnValue
assert rfc3770.id_kp_eapOverPPP in extnValue
assert rfc3770.id_pe_wlanSSID in extn_list
assert rfc5280.id_ce_extKeyUsage in extn_list
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == '__main__':
unittest.TextTestRunner(verbosity=2).run(suite)
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