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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
from pyasn1.codec.der.decoder import decode as der_decode
from pyasn1.codec.der.encoder import encode as der_encode
from pyasn1_modules import pem
from pyasn1_modules import rfc5652
from pyasn1_modules import rfc8018
try:
import unittest2 as unittest
except ImportError:
import unittest
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_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert der_encode(asn1Object) == substrate
alg_oid = asn1Object['pwri']['keyDerivationAlgorithm']['algorithm']
assert alg_oid == rfc8018.id_PBKDF2
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.rfc3211_ex1_pem_text)
asn1Object, rest = der_decode(substrate,
asn1Spec=self.asn1Spec,
decodeOpenTypes=True)
assert not rest
assert asn1Object.prettyPrint()
assert der_encode(asn1Object) == substrate
icount = asn1Object['pwri']['keyDerivationAlgorithm']['parameters']['iterationCount']
assert icount == 5
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == '__main__':
unittest.TextTestRunner(verbosity=2).run(suite)
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