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#
# 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
import unittest
from pyasn1.codec.der import decoder as der_decoder
from pyasn1.codec.der import encoder as der_encoder
from pyasn1.type import univ
from pyasn1_modules import pem
from pyasn1_modules import rfc3565
class AESKeyWrapTestCase(unittest.TestCase):
kw_alg_id_pem_text = "MAsGCWCGSAFlAwQBLQ=="
def setUp(self):
self.asn1Spec = rfc3565.AlgorithmIdentifier()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.kw_alg_id_pem_text)
asn1Object, rest = der_decoder.decode(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(rfc3565.id_aes256_wrap, asn1Object[0])
self.assertEqual(substrate, der_encoder.encode(asn1Object))
class AESCBCTestCase(unittest.TestCase):
aes_alg_id_pem_text = "MB0GCWCGSAFlAwQBKgQQEImWuoUOPwM5mTu1h4oONw=="
def setUp(self):
self.asn1Spec = rfc3565.AlgorithmIdentifier()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.aes_alg_id_pem_text)
asn1Object, rest = der_decoder.decode(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(rfc3565.id_aes256_CBC, asn1Object[0])
self.assertTrue(asn1Object[1].isValue)
self.assertEqual(substrate, der_encoder.encode(asn1Object))
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.aes_alg_id_pem_text)
asn1Object, rest = der_decoder.decode(substrate,
asn1Spec=self.asn1Spec, decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(rfc3565.id_aes256_CBC, asn1Object[0])
aes_iv = univ.OctetString(hexValue='108996ba850e3f0339993bb5878a0e37')
self.assertEqual(aes_iv, asn1Object[1])
self.assertEqual(substrate, der_encoder.encode(asn1Object))
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == '__main__':
unittest.TextTestRunner(verbosity=2).run(suite)
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