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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 rfc5280
from pyasn1_modules import rfc8419
try:
import unittest2 as unittest
except ImportError:
import unittest
class Ed25519TestCase(unittest.TestCase):
alg_id_1_pem_text = "MAUGAytlcA=="
def setUp(self):
self.asn1Spec = rfc5280.AlgorithmIdentifier()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.alg_id_1_pem_text)
asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert asn1Object['algorithm'] == rfc8419.id_Ed25519
assert not asn1Object['parameters'].isValue
assert der_encode(asn1Object) == substrate
class Ed448TestCase(unittest.TestCase):
alg_id_2_pem_text = "MAUGAytlcQ=="
def setUp(self):
self.asn1Spec = rfc5280.AlgorithmIdentifier()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.alg_id_2_pem_text)
asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert asn1Object['algorithm'] == rfc8419.id_Ed448
assert not asn1Object['parameters'].isValue
assert der_encode(asn1Object) == substrate
class SHA512TestCase(unittest.TestCase):
alg_id_3_pem_text = "MAsGCWCGSAFlAwQCAw=="
def setUp(self):
self.asn1Spec = rfc5280.AlgorithmIdentifier()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.alg_id_3_pem_text)
asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert asn1Object['algorithm'] == rfc8419.id_sha512
assert not asn1Object['parameters'].isValue
assert der_encode(asn1Object) == substrate
class SHAKE256TestCase(unittest.TestCase):
alg_id_4_pem_text = "MAsGCWCGSAFlAwQCDA=="
def setUp(self):
self.asn1Spec = rfc5280.AlgorithmIdentifier()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.alg_id_4_pem_text)
asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert asn1Object['algorithm'] == rfc8419.id_shake256
assert not asn1Object['parameters'].isValue
assert der_encode(asn1Object) == substrate
class SHAKE256LENTestCase(unittest.TestCase):
alg_id_5_pem_text = "MA8GCWCGSAFlAwQCEgICAgA="
def setUp(self):
self.asn1Spec = rfc5280.AlgorithmIdentifier()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.alg_id_5_pem_text)
asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert asn1Object['algorithm'] == rfc8419.id_shake256_len
assert asn1Object['parameters'].isValue
assert der_encode(asn1Object) == substrate
param, rest = der_decode(asn1Object['parameters'],
asn1Spec=rfc5280.algorithmIdentifierMap[asn1Object['algorithm']])
assert not rest
assert param.prettyPrint()
assert der_encode(param) == asn1Object['parameters']
assert param == 512
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.alg_id_5_pem_text)
asn1Object, rest = der_decode(substrate,
asn1Spec=self.asn1Spec,
decodeOpenTypes=True)
assert not rest
assert asn1Object.prettyPrint()
assert asn1Object['algorithm'] == rfc8419.id_shake256_len
assert asn1Object['parameters'] == 512
assert der_encode(asn1Object) == substrate
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == '__main__':
import sys
result = unittest.TextTestRunner(verbosity=2).run(suite)
sys.exit(not result.wasSuccessful())