| # |
| # 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.type import univ |
| |
| from pyasn1_modules import pem |
| from pyasn1_modules import rfc5280 |
| from pyasn1_modules import rfc4055 |
| |
| |
| class PSSDefautTestCase(unittest.TestCase): |
| pss_default_pem_text = "MAsGCSqGSIb3DQEBCg==" |
| |
| def setUp(self): |
| self.asn1Spec = rfc5280.AlgorithmIdentifier() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.pss_default_pem_text) |
| asn1Object, rest = der_decoder.decode(substrate, asn1Spec=self.asn1Spec) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertTrue(rfc4055.id_RSASSA_PSS, asn1Object[0]) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.pss_default_pem_text) |
| asn1Object, rest = der_decoder.decode(substrate, |
| asn1Spec=self.asn1Spec, |
| decodeOpenTypes=True) |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertFalse(asn1Object['parameters'].hasValue()) |
| |
| |
| class PSSSHA512TestCase(unittest.TestCase): |
| pss_sha512_pem_text = "MDwGCSqGSIb3DQEBCjAvoA8wDQYJYIZIAWUDBAIDBQChHDAaBg" \ |
| "kqhkiG9w0BAQgwDQYJYIZIAWUDBAIDBQA=" |
| |
| def setUp(self): |
| self.asn1Spec = rfc5280.AlgorithmIdentifier() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.pss_sha512_pem_text) |
| asn1Object, rest = der_decoder.decode( |
| substrate, asn1Spec=self.asn1Spec) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertTrue(rfc4055.id_RSASSA_PSS, asn1Object[0]) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.pss_sha512_pem_text) |
| asn1Object, rest = der_decoder.decode( |
| substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertTrue(asn1Object['parameters'].hasValue()) |
| self.assertTrue(20, asn1Object['parameters']['saltLength']) |
| |
| |
| class OAEPDefautTestCase(unittest.TestCase): |
| oaep_default_pem_text = "MAsGCSqGSIb3DQEBBw==" |
| |
| def setUp(self): |
| self.asn1Spec = rfc5280.AlgorithmIdentifier() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.oaep_default_pem_text) |
| asn1Object, rest = der_decoder.decode(substrate, asn1Spec=self.asn1Spec) |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertTrue(rfc4055.id_RSAES_OAEP, asn1Object[0]) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.oaep_default_pem_text) |
| asn1Object, rest = der_decoder.decode( |
| substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertFalse(asn1Object['parameters'].hasValue()) |
| |
| |
| class OAEPSHA256TestCase(unittest.TestCase): |
| oaep_sha256_pem_text = "MDwGCSqGSIb3DQEBBzAvoA8wDQYJYIZIAWUDBAIBBQChHDAaB" \ |
| "gkqhkiG9w0BAQgwDQYJYIZIAWUDBAIBBQA=" |
| |
| def setUp(self): |
| self.asn1Spec = rfc5280.AlgorithmIdentifier() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.oaep_sha256_pem_text) |
| asn1Object, rest = der_decoder.decode(substrate, asn1Spec=self.asn1Spec) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertTrue(rfc4055.id_RSAES_OAEP, asn1Object[0]) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.oaep_sha256_pem_text) |
| asn1Object, rest = der_decoder.decode( |
| substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertTrue(asn1Object['parameters'].hasValue()) |
| |
| oaep_p = asn1Object['parameters'] |
| |
| self.assertEqual(univ.Null(""), oaep_p['hashFunc']['parameters']) |
| self.assertEqual(univ.Null(""), oaep_p['maskGenFunc']['parameters']['parameters']) |
| |
| |
| class OAEPFullTestCase(unittest.TestCase): |
| oaep_full_pem_text = "MFMGCSqGSIb3DQEBBzBGoA8wDQYJYIZIAWUDBAICBQChHDAaBgk" \ |
| "qhkiG9w0BAQgwDQYJYIZIAWUDBAICBQCiFTATBgkqhkiG9w0BAQ" \ |
| "kEBmZvb2Jhcg==" |
| |
| def setUp(self): |
| self.asn1Spec = rfc5280.AlgorithmIdentifier() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.oaep_full_pem_text) |
| asn1Object, rest = der_decoder.decode(substrate, asn1Spec=self.asn1Spec) |
| |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| |
| self.assertTrue(rfc4055.id_RSAES_OAEP, asn1Object[0]) |
| |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.oaep_full_pem_text) |
| asn1Object, rest = der_decoder.decode(substrate, |
| asn1Spec=self.asn1Spec, |
| decodeOpenTypes=True) |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder.encode(asn1Object)) |
| |
| self.assertTrue(asn1Object['parameters'].hasValue()) |
| |
| oaep_p = asn1Object['parameters'] |
| |
| self.assertEqual(univ.Null(""), oaep_p['hashFunc']['parameters']) |
| self.assertEqual( |
| univ.Null(""), oaep_p['maskGenFunc']['parameters']['parameters']) |
| self.assertEqual( |
| univ.OctetString(value='foobar'), |
| oaep_p['pSourceFunc']['parameters']) |
| |
| |
| suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) |
| |
| if __name__ == '__main__': |
| result = unittest.TextTestRunner(verbosity=2).run(suite) |
| sys.exit(not result.wasSuccessful()) |
