| # |
| # 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 |
| import unittest |
| |
| 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 |
| |
| |
| 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) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(rfc8103.id_alg_AEADChaCha20Poly1305, asn1Object[0]) |
| |
| param, rest = der_decoder.decode( |
| asn1Object[1], rfc8103.AEADChaCha20Poly1305Nonce()) |
| |
| self.assertFalse(rest) |
| self.assertTrue(param.prettyPrint()) |
| self.assertEqual( |
| rfc8103.AEADChaCha20Poly1305Nonce(value='\xca\xfe\xba\xbe\xfa' |
| '\xce\xdb\xad\xde\xca' |
| '\xf8\x88'), |
| param) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| |
| |
| suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) |
| |
| if __name__ == '__main__': |
| result = unittest.TextTestRunner(verbosity=2).run(suite) |
| sys.exit(not result.wasSuccessful()) |
| |
| |
