# # 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())