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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
|
# 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.
from __future__ import absolute_import, division, print_function
import binascii
import os
import pytest
from cryptography.hazmat.backends.interfaces import HashBackend
from cryptography.hazmat.primitives import hashes
from .utils import _load_all_params, generate_hash_test
from ...utils import load_hash_vectors, load_nist_vectors
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA1()),
skip_message="Does not support SHA1",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA1(object):
test_sha1 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA1"),
[
"SHA1LongMsg.rsp",
"SHA1ShortMsg.rsp",
],
hashes.SHA1(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA224()),
skip_message="Does not support SHA224",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA224(object):
test_sha224 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA224LongMsg.rsp",
"SHA224ShortMsg.rsp",
],
hashes.SHA224(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA256()),
skip_message="Does not support SHA256",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA256(object):
test_sha256 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA256LongMsg.rsp",
"SHA256ShortMsg.rsp",
],
hashes.SHA256(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA384()),
skip_message="Does not support SHA384",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA384(object):
test_sha384 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA384LongMsg.rsp",
"SHA384ShortMsg.rsp",
],
hashes.SHA384(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA512()),
skip_message="Does not support SHA512",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA512(object):
test_sha512 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA512LongMsg.rsp",
"SHA512ShortMsg.rsp",
],
hashes.SHA512(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA512_224()),
skip_message="Does not support SHA512/224",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA512224(object):
test_sha512_224 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA512_224LongMsg.rsp",
"SHA512_224ShortMsg.rsp",
],
hashes.SHA512_224(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA512_256()),
skip_message="Does not support SHA512/256",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA512256(object):
test_sha512_256 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA2"),
[
"SHA512_256LongMsg.rsp",
"SHA512_256ShortMsg.rsp",
],
hashes.SHA512_256(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.MD5()),
skip_message="Does not support MD5",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestMD5(object):
test_md5 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "MD5"),
[
"rfc-1321.txt",
],
hashes.MD5(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(
hashes.BLAKE2b(digest_size=64)),
skip_message="Does not support BLAKE2b",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestBLAKE2b(object):
test_b2b = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "blake2"),
[
"blake2b.txt",
],
hashes.BLAKE2b(digest_size=64),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(
hashes.BLAKE2s(digest_size=32)),
skip_message="Does not support BLAKE2s",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestBLAKE2s256(object):
test_b2s = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "blake2"),
[
"blake2s.txt",
],
hashes.BLAKE2s(digest_size=32),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA3_224()),
skip_message="Does not support SHA3_224",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA3224(object):
test_sha3_224 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA3"),
[
"SHA3_224LongMsg.rsp",
"SHA3_224ShortMsg.rsp",
],
hashes.SHA3_224(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA3_256()),
skip_message="Does not support SHA3_256",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA3256(object):
test_sha3_256 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA3"),
[
"SHA3_256LongMsg.rsp",
"SHA3_256ShortMsg.rsp",
],
hashes.SHA3_256(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA3_384()),
skip_message="Does not support SHA3_384",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA3384(object):
test_sha3_384 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA3"),
[
"SHA3_384LongMsg.rsp",
"SHA3_384ShortMsg.rsp",
],
hashes.SHA3_384(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(hashes.SHA3_512()),
skip_message="Does not support SHA3_512",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHA3512(object):
test_sha3_512 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHA3"),
[
"SHA3_512LongMsg.rsp",
"SHA3_512ShortMsg.rsp",
],
hashes.SHA3_512(),
)
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(
hashes.SHAKE128(digest_size=16)),
skip_message="Does not support SHAKE128",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHAKE128(object):
test_shake128 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHAKE"),
[
"SHAKE128LongMsg.rsp",
"SHAKE128ShortMsg.rsp",
],
hashes.SHAKE128(digest_size=16),
)
@pytest.mark.parametrize(
"vector",
_load_all_params(
os.path.join("hashes", "SHAKE"),
[
"SHAKE128VariableOut.rsp",
],
load_nist_vectors,
)
)
def test_shake128_variable(self, vector, backend):
output_length = int(vector['outputlen']) // 8
msg = binascii.unhexlify(vector['msg'])
shake = hashes.SHAKE128(digest_size=output_length)
m = hashes.Hash(shake, backend=backend)
m.update(msg)
assert m.finalize() == binascii.unhexlify(vector['output'])
@pytest.mark.supported(
only_if=lambda backend: backend.hash_supported(
hashes.SHAKE256(digest_size=32)),
skip_message="Does not support SHAKE256",
)
@pytest.mark.requires_backend_interface(interface=HashBackend)
class TestSHAKE256(object):
test_shake256 = generate_hash_test(
load_hash_vectors,
os.path.join("hashes", "SHAKE"),
[
"SHAKE256LongMsg.rsp",
"SHAKE256ShortMsg.rsp",
],
hashes.SHAKE256(digest_size=32),
)
@pytest.mark.parametrize(
"vector",
_load_all_params(
os.path.join("hashes", "SHAKE"),
[
"SHAKE256VariableOut.rsp",
],
load_nist_vectors,
)
)
def test_shake256_variable(self, vector, backend):
output_length = int(vector['outputlen']) // 8
msg = binascii.unhexlify(vector['msg'])
shake = hashes.SHAKE256(digest_size=output_length)
m = hashes.Hash(shake, backend=backend)
m.update(msg)
assert m.finalize() == binascii.unhexlify(vector['output'])
|
