1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
#
# 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())
|
