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#
# This file is part of pyasn1-modules software.
#
# Copyright (c) 2019, Vigil Security, LLC
# License: https://www.pysnmp.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, rfc4055, rfc5126, rfc5652
class SignedAttributesTestCase(unittest.TestCase):
pem_text = """\
MYIBUzAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMCsGCSqGSIb3DQEJNDEeMBww
DQYJYIZIAWUDBAIBBQChCwYJKoZIhvcNAQELMC8GCSqGSIb3DQEJBDEiBCCyqtCC
Gosj/GT4YPPAqKheze4A1QBU5O3tniTsVPGr7jBBBgsqhkiG9w0BCRACETEyMDCg
BBMCVVOhBBMCVkGiIjAgExExMjMgU29tZXBsYWNlIFdheRMLSGVybmRvbiwgVkEw
RgYLKoZIhvcNAQkQAi8xNzA1MDMwMTANBglghkgBZQMEAgEFAAQgJPmqUmGQnQ4q
RkVtUHecJXIkozOzX8+pZQj/UD5JcnQwTgYLKoZIhvcNAQkQAg8xPzA9BgorBgEE
AYGsYDAUMC8wCwYJYIZIAWUDBAIBBCDWjjVmAeXgZBkE/rG8Pf8pTCs4Ikowc8Vm
l+AOeKdFgg==
"""
def setUp(self):
self.asn1Spec = rfc5652.SignedAttributes()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.pem_text)
asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
found_spid_oid = False
for attr in asn1Object:
if attr["attrType"] in rfc5652.cmsAttributesMap.keys():
av, rest = der_decoder(
attr["attrValues"][0],
asn1Spec=rfc5652.cmsAttributesMap[attr["attrType"]],
)
self.assertFalse(rest)
self.assertTrue(av.prettyPrint())
self.assertEqual(attr["attrValues"][0], der_encoder(av))
if attr["attrType"] == rfc5126.id_aa_ets_sigPolicyId:
spid_oid = rfc5126.SigPolicyId("1.3.6.1.4.1.22112.48.20")
self.assertEqual(spid_oid, av["signaturePolicyId"]["sigPolicyId"])
found_spid_oid = True
self.assertTrue(found_spid_oid)
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.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))
attr_type_list = []
spid_oid = rfc5126.SigPolicyId("1.3.6.1.4.1.22112.48.20")
for attr in asn1Object:
if attr["attrType"] == rfc5126.id_aa_ets_sigPolicyId:
spid = attr["attrValues"][0]["signaturePolicyId"]
self.assertEqual(spid_oid, spid["sigPolicyId"])
attr_type_list.append(rfc5126.id_aa_ets_sigPolicyId)
if attr["attrType"] == rfc5126.id_aa_ets_signerLocation:
cn = attr["attrValues"][0]["countryName"]
self.assertEqual("US", cn["printableString"])
attr_type_list.append(rfc5126.id_aa_ets_signerLocation)
if attr["attrType"] == rfc5126.id_aa_signingCertificateV2:
ha = attr["attrValues"][0]["certs"][0]["hashAlgorithm"]
self.assertEqual(rfc4055.id_sha256, ha["algorithm"])
attr_type_list.append(rfc5126.id_aa_signingCertificateV2)
self.assertIn(rfc5126.id_aa_ets_sigPolicyId, attr_type_list)
self.assertIn(rfc5126.id_aa_ets_signerLocation, attr_type_list)
self.assertIn(rfc5126.id_aa_signingCertificateV2, attr_type_list)
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == "__main__":
import sys
result = unittest.TextTestRunner(verbosity=2).run(suite)
sys.exit(not result.wasSuccessful())
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