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1#
2# This file is part of pyasn1-modules software.
3#
4# Created by Russ Housley
5# Copyright (c) 2019, Vigil Security, LLC
6# License: http://snmplabs.com/pyasn1/license.html
7#
8
9import sys
10
11from pyasn1.codec.der.decoder import decode as der_decode
12from pyasn1.codec.der.encoder import encode as der_encode
13
14from pyasn1_modules import pem
15from pyasn1_modules import rfc5280
16from pyasn1_modules import rfc5652
17from pyasn1_modules import rfc6210
18
19try:
20    import unittest2 as unittest
21except ImportError:
22    import unittest
23
24
25class AuthenticatedDataTestCase(unittest.TestCase):
26    pem_text = """\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39"""
40
41    def setUp(self):
42        self.asn1Spec = rfc5652.ContentInfo()
43
44    def testDerCodec(self):
45        substrate = pem.readBase64fromText(self.pem_text)
46        asn1Object, rest = der_decode (substrate, asn1Spec=self.asn1Spec)
47        assert not rest
48        assert asn1Object.prettyPrint()
49        assert der_encode(asn1Object) == substrate
50
51        assert asn1Object['contentType'] == rfc5652.id_ct_authData
52        ad, rest = der_decode (asn1Object['content'], asn1Spec=rfc5652.AuthenticatedData())
53        assert not rest
54        assert ad.prettyPrint()
55        assert der_encode(ad) == asn1Object['content']
56
57        assert ad['version'] == 0
58        assert ad['digestAlgorithm']['algorithm'] == rfc6210.id_alg_MD5_XOR_EXPERIMENT
59
60        mac_alg_p, rest = der_decode (ad['digestAlgorithm']['parameters'],
61            asn1Spec=rfc5280.algorithmIdentifierMap[ad['digestAlgorithm']['algorithm']])
62        assert not rest
63        assert mac_alg_p.prettyPrint()
64        assert der_encode(mac_alg_p) == ad['digestAlgorithm']['parameters']
65
66        assert mac_alg_p.prettyPrint()[:10] == "0x01020304"
67
68
69suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
70
71if __name__ == '__main__':
72    import sys
73
74    result = unittest.TextTestRunner(verbosity=2).run(suite)
75    sys.exit(not result.wasSuccessful())
76