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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
"""
Test using the NIST Test Vectors
"""
from __future__ import absolute_import, division, print_function
import binascii
import os
import pytest
from cryptography.hazmat.backends.interfaces import CipherBackend
from cryptography.hazmat.primitives.ciphers import algorithms, modes
from .utils import generate_encrypt_test
from ...utils import load_nist_vectors
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.TripleDES(b"\x00" * 8), modes.CBC(b"\x00" * 8)
),
skip_message="Does not support TripleDES CBC",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestTripleDESModeCBC(object):
test_KAT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "CBC"),
[
"TCBCinvperm.rsp",
"TCBCpermop.rsp",
"TCBCsubtab.rsp",
"TCBCvarkey.rsp",
"TCBCvartext.rsp",
],
lambda keys, **kwargs: algorithms.TripleDES(binascii.unhexlify(keys)),
lambda iv, **kwargs: modes.CBC(binascii.unhexlify(iv)),
)
test_MMT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "CBC"),
[
"TCBCMMT1.rsp",
"TCBCMMT2.rsp",
"TCBCMMT3.rsp",
],
lambda key1, key2, key3, **kwargs: algorithms.TripleDES(
binascii.unhexlify(key1 + key2 + key3)
),
lambda iv, **kwargs: modes.CBC(binascii.unhexlify(iv)),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.TripleDES(b"\x00" * 8), modes.OFB(b"\x00" * 8)
),
skip_message="Does not support TripleDES OFB",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestTripleDESModeOFB(object):
test_KAT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "OFB"),
[
"TOFBpermop.rsp",
"TOFBsubtab.rsp",
"TOFBvarkey.rsp",
"TOFBvartext.rsp",
"TOFBinvperm.rsp",
],
lambda keys, **kwargs: algorithms.TripleDES(binascii.unhexlify(keys)),
lambda iv, **kwargs: modes.OFB(binascii.unhexlify(iv)),
)
test_MMT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "OFB"),
[
"TOFBMMT1.rsp",
"TOFBMMT2.rsp",
"TOFBMMT3.rsp",
],
lambda key1, key2, key3, **kwargs: algorithms.TripleDES(
binascii.unhexlify(key1 + key2 + key3)
),
lambda iv, **kwargs: modes.OFB(binascii.unhexlify(iv)),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.TripleDES(b"\x00" * 8), modes.CFB(b"\x00" * 8)
),
skip_message="Does not support TripleDES CFB",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestTripleDESModeCFB(object):
test_KAT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "CFB"),
[
"TCFB64invperm.rsp",
"TCFB64permop.rsp",
"TCFB64subtab.rsp",
"TCFB64varkey.rsp",
"TCFB64vartext.rsp",
],
lambda keys, **kwargs: algorithms.TripleDES(binascii.unhexlify(keys)),
lambda iv, **kwargs: modes.CFB(binascii.unhexlify(iv)),
)
test_MMT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "CFB"),
[
"TCFB64MMT1.rsp",
"TCFB64MMT2.rsp",
"TCFB64MMT3.rsp",
],
lambda key1, key2, key3, **kwargs: algorithms.TripleDES(
binascii.unhexlify(key1 + key2 + key3)
),
lambda iv, **kwargs: modes.CFB(binascii.unhexlify(iv)),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.TripleDES(b"\x00" * 8), modes.CFB8(b"\x00" * 8)
),
skip_message="Does not support TripleDES CFB8",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestTripleDESModeCFB8(object):
test_KAT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "CFB"),
[
"TCFB8invperm.rsp",
"TCFB8permop.rsp",
"TCFB8subtab.rsp",
"TCFB8varkey.rsp",
"TCFB8vartext.rsp",
],
lambda keys, **kwargs: algorithms.TripleDES(binascii.unhexlify(keys)),
lambda iv, **kwargs: modes.CFB8(binascii.unhexlify(iv)),
)
test_MMT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "CFB"),
[
"TCFB8MMT1.rsp",
"TCFB8MMT2.rsp",
"TCFB8MMT3.rsp",
],
lambda key1, key2, key3, **kwargs: algorithms.TripleDES(
binascii.unhexlify(key1 + key2 + key3)
),
lambda iv, **kwargs: modes.CFB8(binascii.unhexlify(iv)),
)
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
algorithms.TripleDES(b"\x00" * 8), modes.ECB()
),
skip_message="Does not support TripleDES ECB",
)
@pytest.mark.requires_backend_interface(interface=CipherBackend)
class TestTripleDESModeECB(object):
test_KAT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "ECB"),
[
"TECBinvperm.rsp",
"TECBpermop.rsp",
"TECBsubtab.rsp",
"TECBvarkey.rsp",
"TECBvartext.rsp",
],
lambda keys, **kwargs: algorithms.TripleDES(binascii.unhexlify(keys)),
lambda **kwargs: modes.ECB(),
)
test_MMT = generate_encrypt_test(
load_nist_vectors,
os.path.join("ciphers", "3DES", "ECB"),
[
"TECBMMT1.rsp",
"TECBMMT2.rsp",
"TECBMMT3.rsp",
],
lambda key1, key2, key3, **kwargs: algorithms.TripleDES(
binascii.unhexlify(key1 + key2 + key3)
),
lambda **kwargs: modes.ECB(),
)
|
