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#
# This file is part of pyasn1-modules software.
#
# Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>
# License: http://snmplabs.com/pyasn1/license.html
#
import sys
import unittest
from pyasn1.codec.der import decoder as der_decoder
from pyasn1.codec.der import encoder as der_encoder
from pyasn1.type import char
from pyasn1.type import namedtype
from pyasn1.type import univ
from pyasn1_modules import pem
from pyasn1_modules import rfc5652
from pyasn1_modules import rfc6402
class ContentInfoTestCase(unittest.TestCase):
pem_text = """\
MIIEJQYJKoZIhvcNAQcCoIIEFjCCBBICAQMxCzAJBgUrDgMCGgUAMIIDAgYIKwYBBQUHDAKgggL0
BIIC8DCCAuwweDB2AgECBgorBgEEAYI3CgoBMWUwYwIBADADAgEBMVkwVwYJKwYBBAGCNxUUMUow
SAIBBQwZcGl0dWNoYTEuZW1lYS5ocHFjb3JwLm5ldAwMRU1FQVxwaXR1Y2hhDBpDTUNSZXFHZW5l
cmF0b3IudnNob3N0LmV4ZTCCAmqgggJmAgEBMIICXzCCAcgCAQAwADCBnzANBgkqhkiG9w0BAQEF
AAOBjQAwgYkCgYEA0jm7SSSm2wyEAzuNKtFZFJKo91SrJq9wQwEhEKHDavZwMQOm1rZ2PF8NWCEb
PqrhToQ7rtiGLSZa4dF4bzgmBqQ9aoSfEX4jISt31Vy+skHidXjHHpbsjT24NPhrZgANivL7CxD6
Ft+s7qS1gL4HRm2twQkqSwOLrE/q2QeXl2UCAwEAAaCCAR0wGgYKKwYBBAGCNw0CAzEMFgo2LjIu
OTIwMC4yMD4GCSqGSIb3DQEJDjExMC8wHQYDVR0OBBYEFMW2skn88gxhONWZQA4sWGBDb68yMA4G
A1UdDwEB/wQEAwIHgDBXBgkrBgEEAYI3FRQxSjBIAgEFDBlwaXR1Y2hhMS5lbWVhLmhwcWNvcnAu
bmV0DAxFTUVBXHBpdHVjaGEMGkNNQ1JlcUdlbmVyYXRvci52c2hvc3QuZXhlMGYGCisGAQQBgjcN
AgIxWDBWAgECHk4ATQBpAGMAcgBvAHMAbwBmAHQAIABTAHQAcgBvAG4AZwAgAEMAcgB5AHAAdABv
AGcAcgBhAHAAaABpAGMAIABQAHIAbwB2AGkAZABlAHIDAQAwDQYJKoZIhvcNAQEFBQADgYEAJZlu
mxjtCxSOQi27jsVdd3y8NSIlzNv0b3LqmzvAly6L+CstXcnuG2MPQqPH9R7tbJonGUniBQO9sQ7C
KhYWj2gfhiEkSID82lV5chINVUFKoUlSiEhWr0tPGgvOaqdsKQcrHfzrsBbFkhDqrFSVy7Yivbnh
qYszKrOjJKiiCPMwADAAMYH5MIH2AgEDgBTFtrJJ/PIMYTjVmUAOLFhgQ2+vMjAJBgUrDgMCGgUA
oD4wFwYJKoZIhvcNAQkDMQoGCCsGAQUFBwwCMCMGCSqGSIb3DQEJBDEWBBTFTkK/OifaFjwqHiJu
xM7qXcg/VzANBgkqhkiG9w0BAQEFAASBgKfC6jOi1Wgy4xxDCQVK9+e5tktL8wE/j2cb9JSqq+aU
5UxEgXEw7q7BoYZCAzcxMRriGzakXr8aXHcgkRJ7XcFvLPUjpmGg9SOZ2sGW4zQdWAwImN/i8loc
xicQmJP+VoMHo/ZpjFY9fYCjNZUArgKsEwK/s+p9yrVVeB1Nf8Mn
"""
def setUp(self):
self.asn1Spec = rfc5652.ContentInfo()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.pem_text)
layers = {
rfc5652.id_ct_contentInfo: rfc5652.ContentInfo(),
rfc5652.id_signedData: rfc5652.SignedData(),
rfc6402.id_cct_PKIData: rfc6402.PKIData()
}
getNextLayer = {
rfc5652.id_ct_contentInfo: lambda x: x['contentType'],
rfc5652.id_signedData: lambda x: x['encapContentInfo']['eContentType'],
rfc6402.id_cct_PKIData: lambda x: None
}
getNextSubstrate = {
rfc5652.id_ct_contentInfo: lambda x: x['content'],
rfc5652.id_signedData: lambda x: x['encapContentInfo']['eContent'],
rfc6402.id_cct_PKIData: lambda x: None
}
next_layer = rfc5652.id_ct_contentInfo
while next_layer:
asn1Object, rest = der_decoder.decode(
substrate, asn1Spec=layers[next_layer]
)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder.encode(asn1Object))
substrate = getNextSubstrate[next_layer](asn1Object)
next_layer = getNextLayer[next_layer](asn1Object)
def testOpenTypes(self):
class ClientInformation(univ.Sequence):
pass
ClientInformation.componentType = namedtype.NamedTypes(
namedtype.NamedType('clientId', univ.Integer()),
namedtype.NamedType('MachineName', char.UTF8String()),
namedtype.NamedType('UserName', char.UTF8String()),
namedtype.NamedType('ProcessName', char.UTF8String())
)
class EnrollmentCSP(univ.Sequence):
pass
EnrollmentCSP.componentType = namedtype.NamedTypes(
namedtype.NamedType('KeySpec', univ.Integer()),
namedtype.NamedType('Name', char.BMPString()),
namedtype.NamedType('Signature', univ.BitString())
)
openTypeMap = {
# attributes
univ.ObjectIdentifier('1.3.6.1.4.1.311.13.2.3'): char.IA5String(),
univ.ObjectIdentifier('1.3.6.1.4.1.311.13.2.2'): EnrollmentCSP(),
univ.ObjectIdentifier('1.3.6.1.4.1.311.21.20'): ClientInformation(),
# algorithm identifier parameters
univ.ObjectIdentifier('1.2.840.113549.1.1.1'): univ.Null(""),
univ.ObjectIdentifier('1.2.840.113549.1.1.5'): univ.Null(""),
univ.ObjectIdentifier('1.2.840.113549.1.1.11'): univ.Null(""),
}
openTypeMap.update(rfc5652.cmsAttributesMap)
openTypeMap.update(rfc6402.cmcControlAttributesMap)
substrate = pem.readBase64fromText(self.pem_text)
asn1Object, rest = der_decoder.decode(substrate,
asn1Spec=rfc5652.ContentInfo(), decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder.encode(asn1Object))
eci = asn1Object['content']['encapContentInfo']
self.assertIn(eci['eContentType'], rfc5652.cmsContentTypesMap)
self.assertEqual(rfc6402.id_cct_PKIData, eci['eContentType'])
pkid, rest = der_decoder.decode(eci['eContent'],
asn1Spec=rfc5652.cmsContentTypesMap[eci['eContentType']],
openTypes=openTypeMap,
decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(pkid.prettyPrint())
self.assertEqual(eci['eContent'], der_encoder.encode(pkid))
for req in pkid['reqSequence']:
cr = req['tcr']['certificationRequest']
sig_alg = cr['signatureAlgorithm']
self.assertIn(sig_alg['algorithm'], openTypeMap)
self.assertEqual(univ.Null(""), sig_alg['parameters'])
cri = cr['certificationRequestInfo']
spki_alg = cri['subjectPublicKeyInfo']['algorithm']
self.assertIn( spki_alg['algorithm'], openTypeMap)
self.assertEqual(univ.Null(""), spki_alg['parameters'])
attrs = cr['certificationRequestInfo']['attributes']
for attr in attrs:
self.assertIn(attr['attrType'], openTypeMap)
if attr['attrType'] == univ.ObjectIdentifier('1.3.6.1.4.1.311.13.2.3'):
self.assertEqual("6.2.9200.2", attr['attrValues'][0])
else:
self.assertTrue(attr['attrValues'][0].hasValue())
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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