tests/test_rfc5958.py

#
# 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.type import univ

from pyasn1_modules import pem
from pyasn1_modules import rfc5652
from pyasn1_modules import rfc5958
from pyasn1_modules import rfc8410

try:
    import unittest2 as unittest
except ImportError:
    import unittest


class PrivateKeyTestCase(unittest.TestCase):
    priv_key_pem_text = """\
MHICAQEwBQYDK2VwBCIEINTuctv5E1hK1bbY8fdp+K06/nwoy/HU++CXqI9EdVhC
oB8wHQYKKoZIhvcNAQkJFDEPDA1DdXJkbGUgQ2hhaXJzgSEAGb9ECWmEzf6FQbrB
Z9w7lshQhqowtrbLDFw4rXAxZuE=
"""

    def setUp(self):
        self.asn1Spec = rfc5958.PrivateKeyInfo()

    def testDerCodec(self):
        substrate = pem.readBase64fromText(self.priv_key_pem_text)
        asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
        assert not rest
        assert asn1Object.prettyPrint()
        assert asn1Object['privateKeyAlgorithm']['algorithm'] == rfc8410.id_Ed25519
        assert asn1Object['privateKey'].isValue
        assert asn1Object['privateKey'].prettyPrint()[0:10] == "0x0420d4ee"
        assert asn1Object['publicKey'].isValue
        assert asn1Object['publicKey'].prettyPrint()[0:10] == "1164575857"
        assert der_encode(asn1Object) == substrate


class PrivateKeyOpenTypesTestCase(unittest.TestCase):
    asymmetric_key_pkg_pem_text = """\
MIGEBgpghkgBZQIBAk4FoHYwdDByAgEBMAUGAytlcAQiBCDU7nLb+RNYStW22PH3
afitOv58KMvx1Pvgl6iPRHVYQqAfMB0GCiqGSIb3DQEJCRQxDwwNQ3VyZGxlIENo
YWlyc4EhABm/RAlphM3+hUG6wWfcO5bIUIaqMLa2ywxcOK1wMWbh
"""

    def setUp(self):
        self.asn1Spec = rfc5652.ContentInfo()

    def testOpenTypes(self):
        substrate = pem.readBase64fromText(self.asymmetric_key_pkg_pem_text)
        asn1Object, rest = der_decode(substrate,
            asn1Spec=self.asn1Spec, decodeOpenTypes=True)
        assert not rest
        assert asn1Object.prettyPrint()
        assert der_encode(asn1Object) == substrate

        assert rfc5958.id_ct_KP_aKeyPackage in rfc5652.cmsContentTypesMap.keys()
        oneKey = asn1Object['content'][0]
        assert oneKey['privateKeyAlgorithm']['algorithm'] == rfc8410.id_Ed25519
        pkcs_9_at_friendlyName = univ.ObjectIdentifier('1.2.840.113549.1.9.9.20')
        assert oneKey['attributes'][0]['attrType'] == pkcs_9_at_friendlyName


suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])

if __name__ == '__main__':
    import sys

    result = unittest.TextTestRunner(verbosity=2).run(suite)
    sys.exit(not result.wasSuccessful())