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Diffstat (limited to 'tests/test_rfc5990.py')
-rwxr-xr-x | tests/test_rfc5990.py | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/test_rfc5990.py b/tests/test_rfc5990.py new file mode 100755 index 0000000..9f7e45b --- /dev/null +++ b/tests/test_rfc5990.py @@ -0,0 +1,82 @@ +# +# 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 rfc5990 + +try: + import unittest2 as unittest +except ImportError: + import unittest + + +class RSAKEMTestCase(unittest.TestCase): + pem_text = """\ +MEcGCyqGSIb3DQEJEAMOMDgwKQYHKIGMcQICBDAeMBkGCiuBBRCGSAksAQIwCwYJ +YIZIAWUDBAIBAgEQMAsGCWCGSAFlAwQBBQ== +""" + + def setUp(self): + self.asn1Spec = rfc5280.AlgorithmIdentifier() + + def testDerCodec(self): + substrate = pem.readBase64fromText(self.pem_text) + asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec) + assert not rest + assert asn1Object.prettyPrint() + assert der_encode(asn1Object) == substrate + + assert asn1Object['algorithm'] == rfc5990.id_rsa_kem + rsa_kem_p, rest = der_decode(asn1Object['parameters'], + asn1Spec=rfc5280.algorithmIdentifierMap[rfc5990.id_rsa_kem]) + assert not rest + assert rsa_kem_p.prettyPrint() + assert der_encode(rsa_kem_p) == asn1Object['parameters'] + + assert rsa_kem_p['kem']['algorithm'] == rfc5990.id_kem_rsa + kem_rsa_p, rest = der_decode(rsa_kem_p['kem']['parameters'], + asn1Spec=rfc5280.algorithmIdentifierMap[rfc5990.id_kem_rsa]) + assert not rest + assert kem_rsa_p.prettyPrint() + assert der_encode(kem_rsa_p) == rsa_kem_p['kem']['parameters'] + + assert kem_rsa_p['keyLength'] == 16 + assert kem_rsa_p['keyDerivationFunction']['algorithm'] == rfc5990.id_kdf_kdf3 + kdf_p, rest = der_decode(kem_rsa_p['keyDerivationFunction']['parameters'], + asn1Spec=rfc5280.algorithmIdentifierMap[rfc5990.id_kdf_kdf3]) + assert not rest + assert kdf_p.prettyPrint() + assert der_encode(kdf_p) == kem_rsa_p['keyDerivationFunction']['parameters'] + + def testOpenTypes(self): + substrate = pem.readBase64fromText(self.pem_text) + asn1Object, rest = der_decode(substrate, + asn1Spec=self.asn1Spec, + decodeOpenTypes=True) + assert not rest + assert asn1Object.prettyPrint() + assert der_encode(asn1Object) == substrate + + assert asn1Object['algorithm'] == rfc5990.id_rsa_kem + assert asn1Object['parameters']['kem']['algorithm'] == rfc5990.id_kem_rsa + assert asn1Object['parameters']['kem']['parameters']['keyLength'] == 16 + + +suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) + +if __name__ == '__main__': + import sys + + result = unittest.TextTestRunner(verbosity=2).run(suite) + sys.exit(not result.wasSuccessful()) |