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132 lines
5.0 KiB
132 lines
5.0 KiB
#
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# This file is part of pyasn1-modules software.
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#
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# Created by Russ Housley
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# Copyright (c) 2019, Vigil Security, LLC
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# License: http://snmplabs.com/pyasn1/license.html
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#
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import sys
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from pyasn1.codec.der.decoder import decode as der_decode
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from pyasn1.codec.der.encoder import encode as der_encode
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from pyasn1.type import univ
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from pyasn1_modules import pem
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from pyasn1_modules import rfc3852
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from pyasn1_modules import rfc6402
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest
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class ContentInfoTestCase(unittest.TestCase):
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pem_text = """\
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MIIEJQYJKoZIhvcNAQcCoIIEFjCCBBICAQMxCzAJBgUrDgMCGgUAMIIDAgYIKwYBBQUHDAKgggL0
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BIIC8DCCAuwweDB2AgECBgorBgEEAYI3CgoBMWUwYwIBADADAgEBMVkwVwYJKwYBBAGCNxUUMUow
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SAIBBQwZcGl0dWNoYTEuZW1lYS5ocHFjb3JwLm5ldAwMRU1FQVxwaXR1Y2hhDBpDTUNSZXFHZW5l
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cmF0b3IudnNob3N0LmV4ZTCCAmqgggJmAgEBMIICXzCCAcgCAQAwADCBnzANBgkqhkiG9w0BAQEF
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AAOBjQAwgYkCgYEA0jm7SSSm2wyEAzuNKtFZFJKo91SrJq9wQwEhEKHDavZwMQOm1rZ2PF8NWCEb
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PqrhToQ7rtiGLSZa4dF4bzgmBqQ9aoSfEX4jISt31Vy+skHidXjHHpbsjT24NPhrZgANivL7CxD6
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Ft+s7qS1gL4HRm2twQkqSwOLrE/q2QeXl2UCAwEAAaCCAR0wGgYKKwYBBAGCNw0CAzEMFgo2LjIu
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OTIwMC4yMD4GCSqGSIb3DQEJDjExMC8wHQYDVR0OBBYEFMW2skn88gxhONWZQA4sWGBDb68yMA4G
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A1UdDwEB/wQEAwIHgDBXBgkrBgEEAYI3FRQxSjBIAgEFDBlwaXR1Y2hhMS5lbWVhLmhwcWNvcnAu
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bmV0DAxFTUVBXHBpdHVjaGEMGkNNQ1JlcUdlbmVyYXRvci52c2hvc3QuZXhlMGYGCisGAQQBgjcN
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AgIxWDBWAgECHk4ATQBpAGMAcgBvAHMAbwBmAHQAIABTAHQAcgBvAG4AZwAgAEMAcgB5AHAAdABv
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AGcAcgBhAHAAaABpAGMAIABQAHIAbwB2AGkAZABlAHIDAQAwDQYJKoZIhvcNAQEFBQADgYEAJZlu
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mxjtCxSOQi27jsVdd3y8NSIlzNv0b3LqmzvAly6L+CstXcnuG2MPQqPH9R7tbJonGUniBQO9sQ7C
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KhYWj2gfhiEkSID82lV5chINVUFKoUlSiEhWr0tPGgvOaqdsKQcrHfzrsBbFkhDqrFSVy7Yivbnh
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qYszKrOjJKiiCPMwADAAMYH5MIH2AgEDgBTFtrJJ/PIMYTjVmUAOLFhgQ2+vMjAJBgUrDgMCGgUA
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oD4wFwYJKoZIhvcNAQkDMQoGCCsGAQUFBwwCMCMGCSqGSIb3DQEJBDEWBBTFTkK/OifaFjwqHiJu
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xM7qXcg/VzANBgkqhkiG9w0BAQEFAASBgKfC6jOi1Wgy4xxDCQVK9+e5tktL8wE/j2cb9JSqq+aU
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5UxEgXEw7q7BoYZCAzcxMRriGzakXr8aXHcgkRJ7XcFvLPUjpmGg9SOZ2sGW4zQdWAwImN/i8loc
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xicQmJP+VoMHo/ZpjFY9fYCjNZUArgKsEwK/s+p9yrVVeB1Nf8Mn
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"""
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def setUp(self):
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self.asn1Spec = rfc3852.ContentInfo()
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def testDerCodec(self):
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substrate = pem.readBase64fromText(self.pem_text)
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layers = {
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rfc3852.id_ct_contentInfo: rfc3852.ContentInfo(),
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rfc3852.id_signedData: rfc3852.SignedData(),
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rfc6402.id_cct_PKIData: rfc6402.PKIData()
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}
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getNextLayer = {
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rfc3852.id_ct_contentInfo: lambda x: x['contentType'],
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rfc3852.id_signedData: lambda x: x['encapContentInfo']['eContentType'],
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rfc6402.id_cct_PKIData: lambda x: None
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}
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getNextSubstrate = {
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rfc3852.id_ct_contentInfo: lambda x: x['content'],
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rfc3852.id_signedData: lambda x: x['encapContentInfo']['eContent'],
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rfc6402.id_cct_PKIData: lambda x: None
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}
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alg_oids = (
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univ.ObjectIdentifier('1.3.14.3.2.26'),
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univ.ObjectIdentifier('1.2.840.113549.1.1.1'),
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univ.ObjectIdentifier('1.2.840.113549.1.1.5'),
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univ.ObjectIdentifier('1.2.840.113549.1.1.11'),
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)
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encoded_null = der_encode(univ.Null(""))
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next_layer = rfc3852.id_ct_contentInfo
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count = 0
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while next_layer:
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asn1Object, rest = der_decode(substrate, asn1Spec=layers[next_layer])
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assert not rest
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assert asn1Object.prettyPrint()
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assert der_encode(asn1Object) == substrate
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if next_layer == rfc3852.id_signedData:
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for d in asn1Object['digestAlgorithms']:
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assert d['algorithm'] in alg_oids
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assert d['parameters'] == encoded_null
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count += 1
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for si in asn1Object['signerInfos']:
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assert si['digestAlgorithm']['algorithm'] in alg_oids
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assert si['digestAlgorithm']['parameters'] == encoded_null
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count += 1
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assert si['signatureAlgorithm']['algorithm'] in alg_oids
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assert si['signatureAlgorithm']['parameters'] == encoded_null
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count += 1
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if next_layer == rfc6402.id_cct_PKIData:
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for req in asn1Object['reqSequence']:
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cr = req['tcr']['certificationRequest']
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assert cr['signatureAlgorithm']['algorithm'] in alg_oids
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assert cr['signatureAlgorithm']['parameters'] == encoded_null
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count += 1
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cri_spki = cr['certificationRequestInfo']['subjectPublicKeyInfo']
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assert cri_spki['algorithm']['algorithm'] in alg_oids
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assert cri_spki['algorithm']['parameters'] == encoded_null
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count += 1
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substrate = getNextSubstrate[next_layer](asn1Object)
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next_layer = getNextLayer[next_layer](asn1Object)
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assert count == 5
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suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
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if __name__ == '__main__':
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import sys
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result = unittest.TextTestRunner(verbosity=2).run(suite)
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sys.exit(not result.wasSuccessful())
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