1 files changed, 49 insertions, 0 deletions
diff --git a/tests/test_rfc8103.py b/tests/test_rfc8103.py
new file mode 100644
index 0000000..56a96fb
--- /dev/null
+++ b/tests/test_rfc8103.py
@@ -0,0 +1,49 @@
+#
+# 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 import decoder as der_decoder
+from pyasn1.codec.der import encoder as der_encoder
+
+from pyasn1_modules import pem
+from pyasn1_modules import rfc5280
+from pyasn1_modules import rfc8103
+
+
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+
+
+class CAEADChaCha20Poly1305TestCase(unittest.TestCase):
+    alg_id_pem_text = "MBsGCyqGSIb3DQEJEAMSBAzK/rq++s7brd7K+Ig="
+
+    def setUp(self):
+        self.asn1Spec = rfc5280.AlgorithmIdentifier()
+
+    def testDerCodec(self):
+        substrate = pem.readBase64fromText(self.alg_id_pem_text)
+        asn1Object, rest = der_decoder.decode(substrate, asn1Spec=self.asn1Spec)
+        assert not rest
+        assert asn1Object.prettyPrint()
+        assert asn1Object[0] == rfc8103.id_alg_AEADChaCha20Poly1305
+        param, rest = der_decoder.decode(asn1Object[1], rfc8103.AEADChaCha20Poly1305Nonce())
+        assert not rest
+        assert param.prettyPrint()
+        assert param == rfc8103.AEADChaCha20Poly1305Nonce(value='\xca\xfe\xba\xbe\xfa\xce\xdb\xad\xde\xca\xf8\x88')
+        assert der_encoder.encode(asn1Object) == substrate
+
+
+suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
+
+if __name__ == '__main__':
+    unittest.TextTestRunner(verbosity=2).run(suite)
+
+