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())