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#
# This file is part of pyasn1-modules software.
#
# Created by Russ Housley
# Copyright (c) 2019, Vigil Security, LLC
# License: https://www.pysnmp.com/pyasn1/license.html
#
import sys
import unittest
from pyasn1.codec.der.decoder import decode as der_decoder
from pyasn1.codec.der.encoder import encode as der_encoder
from pyasn1_modules import pem, rfc5652, rfc8018
class PWRITestCase(unittest.TestCase):
rfc3211_ex1_pem_text = """\
o1MCAQCgGgYJKoZIhvcNAQUMMA0ECBI0Vnh4VjQSAgEFMCAGCyqGSIb3DQEJEAMJMBEGBSsO
AwIHBAjv5ZjvIbM9bQQQuBslZe43PKbe3KJqF4sMEA==
"""
def setUp(self):
self.asn1Spec = rfc5652.RecipientInfo()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.rfc3211_ex1_pem_text)
asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
alg_oid = asn1Object["pwri"]["keyDerivationAlgorithm"]["algorithm"]
self.assertEqual(rfc8018.id_PBKDF2, alg_oid)
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.rfc3211_ex1_pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True
)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
icount = asn1Object["pwri"]["keyDerivationAlgorithm"]["parameters"][
"iterationCount"
]
self.assertEqual(5, icount)
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == "__main__":
unittest.TextTestRunner(verbosity=2).run(suite)
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