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
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
|
# 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 os
import textwrap
import pytest
from cryptography.exceptions import UnsupportedAlgorithm, _Reasons
from cryptography.hazmat.backends.interfaces import (
DSABackend, EllipticCurveBackend, PEMSerializationBackend, RSABackend
)
from cryptography.hazmat.primitives import interfaces
from cryptography.hazmat.primitives.asymmetric import ec
from cryptography.hazmat.primitives.asymmetric.dsa import (
DSAParameterNumbers, DSAPublicNumbers
)
from cryptography.hazmat.primitives.asymmetric.rsa import RSAPublicNumbers
from cryptography.hazmat.primitives.serialization import (
load_pem_private_key, load_pem_public_key, load_ssh_public_key
)
from .test_ec import _skip_curve_unsupported
from .utils import (
_check_dsa_private_numbers, _check_rsa_private_numbers,
load_vectors_from_file
)
from ...utils import raises_unsupported_algorithm
@pytest.mark.requires_backend_interface(interface=PEMSerializationBackend)
class TestPEMSerialization(object):
@pytest.mark.parametrize(
("key_file", "password"),
[
(["PEM_Serialization", "rsa_private_key.pem"], b"123456"),
(["PKCS8", "unenc-rsa-pkcs8.pem"], None),
(["PKCS8", "enc-rsa-pkcs8.pem"], b"foobar"),
(["PKCS8", "enc2-rsa-pkcs8.pem"], b"baz"),
(["PKCS8", "pkcs12_s2k_pem-X_9607.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9671.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9925.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9926.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9927.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9928.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9929.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9930.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9931.pem"], b"123456"),
(["PKCS8", "pkcs12_s2k_pem-X_9932.pem"], b"123456"),
]
)
def test_load_pem_rsa_private_key(self, key_file, password, backend):
key = load_vectors_from_file(
os.path.join("asymmetric", *key_file),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
assert key
assert isinstance(key, interfaces.RSAPrivateKey)
if isinstance(key, interfaces.RSAPrivateKeyWithNumbers):
_check_rsa_private_numbers(key.private_numbers())
@pytest.mark.parametrize(
("key_path", "password"),
[
(["Traditional_OpenSSL_Serialization", "dsa.1024.pem"], None),
(["Traditional_OpenSSL_Serialization", "dsa.2048.pem"], None),
(["Traditional_OpenSSL_Serialization", "dsa.3072.pem"], None),
(["PKCS8", "unenc-dsa-pkcs8.pem"], None),
(["PEM_Serialization", "dsa_private_key.pem"], b"123456"),
]
)
def test_load_dsa_private_key(self, key_path, password, backend):
key = load_vectors_from_file(
os.path.join("asymmetric", *key_path),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
assert key
assert isinstance(key, interfaces.DSAPrivateKey)
if isinstance(key, interfaces.DSAPrivateKeyWithNumbers):
_check_dsa_private_numbers(key.private_numbers())
@pytest.mark.parametrize(
("key_file", "password"),
[
("ec_private_key.pem", None),
("ec_private_key_encrypted.pem", b"123456"),
]
)
@pytest.mark.requires_backend_interface(interface=EllipticCurveBackend)
def test_load_pem_ec_private_key(self, key_file, password, backend):
_skip_curve_unsupported(backend, ec.SECP256R1())
key = load_vectors_from_file(
os.path.join(
"asymmetric", "PEM_Serialization", key_file),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
assert key
assert isinstance(key, interfaces.EllipticCurvePrivateKey)
@pytest.mark.parametrize(
("key_file"),
[
os.path.join("asymmetric", "PKCS8", "unenc-rsa-pkcs8.pub.pem"),
os.path.join(
"asymmetric", "PEM_Serialization", "rsa_public_key.pem"),
]
)
def test_load_pem_rsa_public_key(self, key_file, backend):
key = load_vectors_from_file(
key_file,
lambda pemfile: load_pem_public_key(
pemfile.read().encode(), backend
)
)
assert key
assert isinstance(key, interfaces.RSAPublicKey)
if isinstance(key, interfaces.RSAPublicKeyWithNumbers):
numbers = key.public_numbers()
assert numbers.e == 65537
@pytest.mark.parametrize(
("key_file"),
[
os.path.join("asymmetric", "PKCS8", "unenc-dsa-pkcs8.pub.pem"),
os.path.join(
"asymmetric", "PEM_Serialization",
"dsa_public_key.pem"),
]
)
def test_load_pem_dsa_public_key(self, key_file, backend):
key = load_vectors_from_file(
key_file,
lambda pemfile: load_pem_public_key(
pemfile.read().encode(), backend
)
)
assert key
assert isinstance(key, interfaces.DSAPublicKey)
@pytest.mark.requires_backend_interface(interface=EllipticCurveBackend)
def test_load_ec_public_key(self, backend):
_skip_curve_unsupported(backend, ec.SECP256R1())
key = load_vectors_from_file(
os.path.join(
"asymmetric", "PEM_Serialization",
"ec_public_key.pem"),
lambda pemfile: load_pem_public_key(
pemfile.read().encode(), backend
)
)
assert key
assert isinstance(key, interfaces.EllipticCurvePublicKey)
assert key.curve.name == "secp256r1"
assert key.curve.key_size == 256
@pytest.mark.requires_backend_interface(
interface=PEMSerializationBackend
)
class TestTraditionalOpenSSLSerialization(object):
@pytest.mark.parametrize(
("key_file", "password"),
[
("key1.pem", b"123456"),
("key2.pem", b"a123456"),
("testrsa.pem", None),
("testrsa-encrypted.pem", b"password"),
]
)
def test_load_pem_rsa_private_key(self, key_file, password, backend):
key = load_vectors_from_file(
os.path.join(
"asymmetric", "Traditional_OpenSSL_Serialization", key_file),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
assert key
assert isinstance(key, interfaces.RSAPrivateKey)
if isinstance(key, interfaces.RSAPrivateKeyWithNumbers):
_check_rsa_private_numbers(key.private_numbers())
def test_key1_pem_encrypted_values(self, backend):
pkey = load_vectors_from_file(
os.path.join(
"asymmetric", "Traditional_OpenSSL_Serialization", "key1.pem"),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), b"123456", backend
)
)
assert pkey
numbers = pkey.private_numbers()
assert numbers.p == int(
"fb7d316fc51531b36d93adaefaf52db6ad5beb793d37c4cf9dfc1ddd17cfbafb",
16
)
assert numbers.q == int(
"df98264e646de9a0fbeab094e31caad5bc7adceaaae3c800ca0275dd4bb307f5",
16
)
assert numbers.d == int(
"db4848c36f478dd5d38f35ae519643b6b810d404bcb76c00e44015e56ca1cab0"
"7bb7ae91f6b4b43fcfc82a47d7ed55b8c575152116994c2ce5325ec24313b911",
16
)
assert numbers.dmp1 == int(
"ce997f967192c2bcc3853186f1559fd355c190c58ddc15cbf5de9b6df954c727",
16
)
assert numbers.dmq1 == int(
"b018a57ab20ffaa3862435445d863369b852cf70a67c55058213e3fe10e3848d",
16
)
assert numbers.iqmp == int(
"6a8d830616924f5cf2d1bc1973f97fde6b63e052222ac7be06aa2532d10bac76",
16
)
assert numbers.public_numbers.e == 65537
assert numbers.public_numbers.n == int(
"dba786074f2f0350ce1d99f5aed5b520cfe0deb5429ec8f2a88563763f566e77"
"9814b7c310e5326edae31198eed439b845dd2db99eaa60f5c16a43f4be6bcf37",
16
)
def test_unused_password(self, backend):
key_file = os.path.join(
"asymmetric", "Traditional_OpenSSL_Serialization", "testrsa.pem")
password = b"this password will not be used"
with pytest.raises(TypeError):
load_vectors_from_file(
key_file,
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
def test_wrong_password(self, backend):
key_file = os.path.join(
"asymmetric",
"Traditional_OpenSSL_Serialization",
"testrsa-encrypted.pem"
)
password = b"this password is wrong"
with pytest.raises(ValueError):
load_vectors_from_file(
key_file,
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
@pytest.mark.parametrize("password", [None, b""])
def test_missing_password(self, backend, password):
key_file = os.path.join(
"asymmetric",
"Traditional_OpenSSL_Serialization",
"testrsa-encrypted.pem"
)
with pytest.raises(TypeError):
load_vectors_from_file(
key_file,
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
def test_wrong_format(self, backend):
key_data = b"---- NOT A KEY ----\n"
with pytest.raises(ValueError):
load_pem_private_key(
key_data, None, backend
)
with pytest.raises(ValueError):
load_pem_private_key(
key_data, b"this password will not be used", backend
)
def test_corrupt_format(self, backend):
# privkey.pem with a bunch of data missing.
key_data = textwrap.dedent("""\
-----BEGIN RSA PRIVATE KEY-----
MIIBPAIBAAJBAKrbeqkuRk8VcRmWFmtP+LviMB3+6dizWW3DwaffznyHGAFwUJ/I
Tv0XtbsCyl3QoyKGhrOAy3RvPK5M38iuXT0CAwEAAQJAZ3cnzaHXM/bxGaR5CR1R
rD1qFBAVfoQFiOH9uPJgMaoAuoQEisPHVcZDKcOv4wEg6/TInAIXBnEigtqvRzuy
mvcpHZwQJdmdHHkGKAs37Dfxi67HbkUCIQCeZGliHXFa071Fp06ZeWlR2ADonTZz
rJBhdTe0v5pCeQIhAIZfkiGgGBX4cIuuckzEm43g9WMUjxP/0GlK39vIyihxAiEA
mymehFRT0MvqW5xAKAx7Pgkt8HVKwVhc2LwGKHE0DZM=
-----END RSA PRIVATE KEY-----
""").encode()
with pytest.raises(ValueError):
load_pem_private_key(
key_data, None, backend
)
with pytest.raises(ValueError):
load_pem_private_key(
key_data, b"this password will not be used", backend
)
def test_encrypted_corrupt_format(self, backend):
# privkey.pem with a single bit flipped
key_data = textwrap.dedent("""\
-----BEGIN RSA PRIVATE KEY-----
Proc-Type: <,ENCRYPTED
DEK-Info: AES-128-CBC,5E22A2BD85A653FB7A3ED20DE84F54CD
hAqtb5ZkTMGcs4BBDQ1SKZzdQThWRDzEDxM3qBfjvYa35KxZ54aic013mW/lwj2I
v5bbpOjrHYHNAiZYZ7RNb+ztbF6F/g5PA5g7mFwEq+LFBY0InIplYBSv9QtE+lot
Dy4AlZa/+NzJwgdKDb+JVfk5SddyD4ywnyeORnMPy4xXKvjXwmW+iLibZVKsjIgw
H8hSxcD+FhWyJm9h9uLtmpuqhQo0jTUYpnTezZx2xeVPB53Ev7YCxR9Nsgj5GsVf
9Z/hqLB7IFgM3pa0z3PQeUIZF/cEf72fISWIOBwwkzVrPUkXWfbuWeJXQXSs3amE
5A295jD9BQp9CY0nNFSsy+qiXWToq2xT3y5zVNEStmN0SCGNaIlUnJzL9IHW+oMI
kPmXZMnAYBWeeCF1gf3J3aE5lZInegHNfEI0+J0LazC2aNU5Dg/BNqrmRqKWEIo/
-----END RSA PRIVATE KEY-----
""").encode()
password = b"this password is wrong"
with pytest.raises(ValueError):
load_pem_private_key(
key_data, None, backend
)
with pytest.raises(ValueError):
load_pem_private_key(
key_data, password, backend
)
def test_unsupported_key_encryption(self, backend):
key_data = textwrap.dedent("""\
-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: FAKE-123,5E22A2BD85A653FB7A3ED20DE84F54CD
hAqtb5ZkTMGcs4BBDQ1SKZzdQThWRDzEDxM3qBfjvYa35KxZ54aic013mW/lwj2I
v5bbpOjrHYHNAiZYZ7RNb+ztbF6F/g5PA5g7mFwEq+LFBY0InIplYBSv9QtE+lot
Dy4AlZa/+NzJwgdKDb+JVfk5SddyD4ywnyeORnMPy4xXKvjXwmW+iLibZVKsjIgw
H8hSxcD+FhWyJm9h9uLtmpuqhQo0jTUYpnTezZx2xeVPB53Ev7YCxR9Nsgj5GsVf
9Z/hqLB7IFgM3pa0z3PQeUIZF/cEf72fISWIOBwwkzVrPUkXWfbuWeJXQXSs3amE
5A295jD9BQp9CY0nNFSsy+qiXWToq2xT3y5zVNEStmN0SCGNaIlUnJzL9IHW+oMI
kPmXZMnAYBWeeCF1gf3J3aE5lZInegHNfEI0+J0LazC2aNU5Dg/BNqrmRqKWEIo/
-----END RSA PRIVATE KEY-----
""").encode()
password = b"password"
with raises_unsupported_algorithm(_Reasons.UNSUPPORTED_CIPHER):
load_pem_private_key(
key_data, password, backend
)
@pytest.mark.requires_backend_interface(interface=PEMSerializationBackend)
class TestPKCS8Serialization(object):
@pytest.mark.parametrize(
("key_file", "password"),
[
("ec_private_key.pem", None),
("ec_private_key_encrypted.pem", b"123456"),
]
)
@pytest.mark.requires_backend_interface(interface=EllipticCurveBackend)
def test_load_pem_ec_private_key(self, key_file, password, backend):
_skip_curve_unsupported(backend, ec.SECP256R1())
key = load_vectors_from_file(
os.path.join(
"asymmetric", "PKCS8", key_file),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
assert key
assert isinstance(key, interfaces.EllipticCurvePrivateKey)
assert key.curve.name == "secp256r1"
assert key.curve.key_size == 256
def test_unused_password(self, backend):
key_file = os.path.join(
"asymmetric", "PKCS8", "unenc-rsa-pkcs8.pem")
password = b"this password will not be used"
with pytest.raises(TypeError):
load_vectors_from_file(
key_file,
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
def test_wrong_password(self, backend):
key_file = os.path.join(
"asymmetric", "PKCS8", "enc-rsa-pkcs8.pem")
password = b"this password is wrong"
with pytest.raises(ValueError):
load_vectors_from_file(
key_file,
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
@pytest.mark.parametrize("password", [None, b""])
def test_missing_password(self, backend, password):
key_file = os.path.join(
"asymmetric",
"PKCS8",
"enc-rsa-pkcs8.pem"
)
with pytest.raises(TypeError):
load_vectors_from_file(
key_file,
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
def test_wrong_format(self, backend):
key_data = b"---- NOT A KEY ----\n"
with pytest.raises(ValueError):
load_pem_private_key(
key_data, None, backend
)
with pytest.raises(ValueError):
load_pem_private_key(
key_data, b"this password will not be used", backend
)
def test_corrupt_format(self, backend):
# unenc-rsa-pkcs8.pem with a bunch of data missing.
key_data = textwrap.dedent("""\
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----
""").encode()
with pytest.raises(ValueError):
load_pem_private_key(
key_data, None, backend
)
with pytest.raises(ValueError):
load_pem_private_key(
key_data, b"this password will not be used", backend
)
def test_encrypted_corrupt_format(self, backend):
# enc-rsa-pkcs8.pem with some bits flipped.
key_data = textwrap.dedent("""\
-----BEGIN ENCRYPTED PRIVATE KEY-----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-----END ENCRYPTED PRIVATE KEY-----
""").encode()
password = b"this password is wrong"
with pytest.raises(ValueError):
load_pem_private_key(
key_data, None, backend
)
with pytest.raises(ValueError):
load_pem_private_key(
key_data, password, backend
)
def test_key1_pem_encrypted_values(self, backend):
pkey = load_vectors_from_file(
os.path.join(
"asymmetric", "PKCS8", "enc-rsa-pkcs8.pem"),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), b"foobar", backend
)
)
assert pkey
numbers = pkey.private_numbers()
assert numbers.public_numbers.n == int(
"00beec64d6db5760ac2fd4c971145641b9bd7f5c56558ece608795c79807"
"376a7fe5b19f95b35ca358ea5c8abd7ae051d49cd2f1e45969a1ae945460"
"3c14b278664a0e414ebc8913acb6203626985525e17a600611b028542dd0"
"562aad787fb4f1650aa318cdcff751e1b187cbf6785fbe164e9809491b95"
"dd68480567c99b1a57", 16
)
assert numbers.public_numbers.e == 65537
assert numbers.d == int(
"0cfe316e9dc6b8817f4fcfd5ae38a0886f68f773b8a6db4c9e6d8703c599"
"f3d9785c3a2c09e4c8090909fb3721e19a3009ec21221523a729265707a5"
"8f13063671c42a4096cad378ef2510cb59e23071489d8893ac4934dd149f"
"34f2d094bea57f1c8027c3a77248ac9b91218737d0c3c3dfa7d7829e6977"
"cf7d995688c86c81", 16
)
assert numbers.p == int(
"00db122ac857b2c0437d7616daa98e597bb75ca9ad3a47a70bec10c10036"
"03328794b225c8e3eee6ffd3fd6d2253d28e071fe27d629ab072faa14377"
"ce6118cb67", 16
)
assert numbers.q == int(
"00df1b8aa8506fcbbbb9d00257f2975e38b33d2698fd0f37e82d7ef38c56"
"f21b6ced63c825383782a7115cfcc093300987dbd2853b518d1c8f26382a"
"2d2586d391", 16
)
assert numbers.dmp1 == int(
"00be18aca13e60712fdf5daa85421eb10d86d654b269e1255656194fb0c4"
"2dd01a1070ea12c19f5c39e09587af02f7b1a1030d016a9ffabf3b36d699"
"ceaf38d9bf", 16
)
assert numbers.dmq1 == int(
"71aa8978f90a0c050744b77cf1263725b203ac9f730606d8ae1d289dce4a"
"28b8d534e9ea347aeb808c73107e583eb80c546d2bddadcdb3c82693a4c1"
"3d863451", 16
)
assert numbers.iqmp == int(
"136b7b1afac6e6279f71b24217b7083485a5e827d156024609dae39d48a6"
"bdb55af2f062cc4a3b077434e6fffad5faa29a2b5dba2bed3e4621e478c0"
"97ccfe7f", 16
)
@pytest.mark.parametrize(
("key_file", "password"),
[
("unenc-dsa-pkcs8.pem", None),
]
)
def test_load_pem_dsa_private_key(self, key_file, password, backend):
key = load_vectors_from_file(
os.path.join(
"asymmetric", "PKCS8", key_file),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
assert key
assert isinstance(key, interfaces.DSAPrivateKey)
params = key.parameters()
assert isinstance(params, interfaces.DSAParameters)
if isinstance(params, interfaces.DSAParametersWithNumbers):
num = key.private_numbers()
pub = num.public_numbers
parameter_numbers = pub.parameter_numbers
assert num.x == int("00a535a8e1d0d91beafc8bee1d9b2a3a8de3311203",
16)
assert pub.y == int(
"2b260ea97dc6a12ae932c640e7df3d8ff04a8a05a0324f8d5f1b23f15fa1"
"70ff3f42061124eff2586cb11b49a82dcdc1b90fc6a84fb10109cb67db5d"
"2da971aeaf17be5e37284563e4c64d9e5fc8480258b319f0de29d54d8350"
"70d9e287914d77df81491f4423b62da984eb3f45eb2a29fcea5dae525ac6"
"ab6bcce04bfdf5b6",
16
)
assert parameter_numbers.p == int(
"00aa0930cc145825221caffa28ac2894196a27833de5ec21270791689420"
"7774a2e7b238b0d36f1b2499a2c2585083eb01432924418d867faa212dd1"
"071d4dceb2782794ad393cc08a4d4ada7f68d6e839a5fcd34b4e402d82cb"
"8a8cb40fec31911bf9bd360b034caacb4c5e947992573c9e90099c1b0f05"
"940cabe5d2de49a167",
16
)
assert parameter_numbers.q == int(
"00adc0e869b36f0ac013a681fdf4d4899d69820451", 16)
assert parameter_numbers.g == int(
"008c6b4589afa53a4d1048bfc346d1f386ca75521ccf72ddaa251286880e"
"e13201ff48890bbfc33d79bacaec71e7a778507bd5f1a66422e39415be03"
"e71141ba324f5b93131929182c88a9fa4062836066cebe74b5c6690c7d10"
"1106c240ab7ebd54e4e3301fd086ce6adac922fb2713a2b0887cba13b9bc"
"68ce5cfff241cd3246",
16
)
@pytest.mark.parametrize(
("key_file", "password"),
[
("bad-oid-dsa-key.pem", None),
]
)
def test_load_bad_oid_key(self, key_file, password, backend):
with raises_unsupported_algorithm(
_Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM
):
load_vectors_from_file(
os.path.join(
"asymmetric", "PKCS8", key_file),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
@pytest.mark.parametrize(
("key_file", "password"),
[
("bad-encryption-oid.pem", b"password"),
]
)
def test_load_bad_encryption_oid_key(self, key_file, password, backend):
with raises_unsupported_algorithm(_Reasons.UNSUPPORTED_CIPHER):
load_vectors_from_file(
os.path.join(
"asymmetric", "PKCS8", key_file),
lambda pemfile: load_pem_private_key(
pemfile.read().encode(), password, backend
)
)
@pytest.mark.requires_backend_interface(interface=RSABackend)
class TestRSASSHSerialization(object):
def test_load_ssh_public_key_unsupported(self, backend):
ssh_key = b'ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTY='
with pytest.raises(UnsupportedAlgorithm):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_bad_format(self, backend):
ssh_key = b'ssh-rsa not-a-real-key'
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_rsa_too_short(self, backend):
ssh_key = b'ssh-rsa'
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_rsa_extra_string_after_comment(self, backend):
ssh_key = (
b"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDDu/XRP1kyK6Cgt36gts9XAk"
b"FiiuJLW6RU0j3KKVZSs1I7Z3UmU9/9aVh/rZV43WQG8jaR6kkcP4stOR0DEtll"
b"PDA7ZRBnrfiHpSQYQ874AZaAoIjgkv7DBfsE6gcDQLub0PFjWyrYQUJhtOLQEK"
b"vY/G0vt2iRL3juawWmCFdTK3W3XvwAdgGk71i6lHt+deOPNEPN2H58E4odrZ2f"
b"sxn/adpDqfb2sM0kPwQs0aWvrrKGvUaustkivQE4XWiSFnB0oJB/lKK/CKVKuy"
b"///ImSCGHQRvhwariN2tvZ6CBNSLh3iQgeB0AkyJlng7MXB2qYq/Ci2FUOryCX"
# Extra section appended
b"2MzHvnbv testkey@localhost extra"
)
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_rsa_extra_data_after_modulo(self, backend):
ssh_key = (
b"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDDu/XRP1kyK6Cgt36gts9XAk"
b"FiiuJLW6RU0j3KKVZSs1I7Z3UmU9/9aVh/rZV43WQG8jaR6kkcP4stOR0DEtll"
b"PDA7ZRBnrfiHpSQYQ874AZaAoIjgkv7DBfsE6gcDQLub0PFjWyrYQUJhtOLQEK"
b"vY/G0vt2iRL3juawWmCFdTK3W3XvwAdgGk71i6lHt+deOPNEPN2H58E4odrZ2f"
b"sxn/adpDqfb2sM0kPwQs0aWvrrKGvUaustkivQE4XWiSFnB0oJB/lKK/CKVKuy"
b"///ImSCGHQRvhwariN2tvZ6CBNSLh3iQgeB0AkyJlng7MXB2qYq/Ci2FUOryCX"
b"2MzHvnbvAQ== testkey@localhost"
)
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_rsa_different_string(self, backend):
ssh_key = (
# "AAAAB3NzA" the final A is capitalized here to cause the string
# ssh-rsa inside the base64 encoded blob to be incorrect. It should
# be a lower case 'a'.
b"ssh-rsa AAAAB3NzAC1yc2EAAAADAQABAAABAQDDu/XRP1kyK6Cgt36gts9XAk"
b"FiiuJLW6RU0j3KKVZSs1I7Z3UmU9/9aVh/rZV43WQG8jaR6kkcP4stOR0DEtll"
b"PDA7ZRBnrfiHpSQYQ874AZaAoIjgkv7DBfsE6gcDQLub0PFjWyrYQUJhtOLQEK"
b"vY/G0vt2iRL3juawWmCFdTK3W3XvwAdgGk71i6lHt+deOPNEPN2H58E4odrZ2f"
b"sxn/adpDqfb2sM0kPwQs0aWvrrKGvUaustkivQE4XWiSFnB0oJB/lKK/CKVKuy"
b"///ImSCGHQRvhwariN2tvZ6CBNSLh3iQgeB0AkyJlng7MXB2qYq/Ci2FUOryCX"
b"2MzHvnbvAQ== testkey@localhost"
)
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_rsa(self, backend):
ssh_key = (
b"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDDu/XRP1kyK6Cgt36gts9XAk"
b"FiiuJLW6RU0j3KKVZSs1I7Z3UmU9/9aVh/rZV43WQG8jaR6kkcP4stOR0DEtll"
b"PDA7ZRBnrfiHpSQYQ874AZaAoIjgkv7DBfsE6gcDQLub0PFjWyrYQUJhtOLQEK"
b"vY/G0vt2iRL3juawWmCFdTK3W3XvwAdgGk71i6lHt+deOPNEPN2H58E4odrZ2f"
b"sxn/adpDqfb2sM0kPwQs0aWvrrKGvUaustkivQE4XWiSFnB0oJB/lKK/CKVKuy"
b"///ImSCGHQRvhwariN2tvZ6CBNSLh3iQgeB0AkyJlng7MXB2qYq/Ci2FUOryCX"
b"2MzHvnbv testkey@localhost"
)
key = load_ssh_public_key(ssh_key, backend)
assert key is not None
assert isinstance(key, interfaces.RSAPublicKey)
numbers = key.public_numbers()
expected_e = 0x10001
expected_n = int(
'00C3BBF5D13F59322BA0A0B77EA0B6CF570241628AE24B5BA454D'
'23DCA295652B3523B67752653DFFD69587FAD9578DD6406F23691'
'EA491C3F8B2D391D0312D9653C303B651067ADF887A5241843CEF'
'8019680A088E092FEC305FB04EA070340BB9BD0F1635B2AD84142'
'61B4E2D010ABD8FC6D2FB768912F78EE6B05A60857532B75B75EF'
'C007601A4EF58BA947B7E75E38F3443CDD87E7C138A1DAD9D9FB3'
'19FF69DA43A9F6F6B0CD243F042CD1A5AFAEB286BD46AEB2D922B'
'D01385D6892167074A0907F94A2BF08A54ABB2FFFFC89920861D0'
'46F8706AB88DDADBD9E8204D48B87789081E074024C8996783B31'
'7076A98ABF0A2D8550EAF2097D8CCC7BE76EF', 16)
expected = RSAPublicNumbers(expected_e, expected_n)
assert numbers == expected
@pytest.mark.requires_backend_interface(interface=DSABackend)
class TestDSSSSHSerialization(object):
def test_load_ssh_public_key_dss_too_short(self, backend):
ssh_key = b'ssh-dss'
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_dss_extra_string_after_comment(self, backend):
ssh_key = (
b"ssh-dss AAAAB3NzaC1kc3MAAACBALmwUtfwdjAUjU2Dixd5DvT0NDcjjr69UD"
b"LqSD/Xt5Al7D3GXr1WOrWGpjO0NE9qzRCvMTU7zykRH6XjuNXB6Hvv48Zfm4vm"
b"nHQHFmmMg2bI75JbnOwdzWnnPZJrVU4rS23dFFPqs5ug+EbhVVrcwzxahjcSjJ"
b"7WEQSkVQWnSPbbAAAAFQDXmpD3DIkGvLSBf1GdUF4PHKtUrQAAAIB/bJFwss+2"
b"fngmfG/Li5OyL7A9iVoGdkUaFaxEUROTp7wkm2z49fXFAir+/U31v50Tu98YLf"
b"WvKlxdHcdgQYV9Ww5LIrhWwwD4UKOwC6w5S3KHVbi3pWUi7vxJFXOWfeu1mC/J"
b"TWqMKR91j+rmOtdppWIZRyIVIqLcMdGO3m+2VgAAAIANFDz5KQH5NvoljpoRQi"
b"RgyPjxWXiE7vjLElKj4v8KrpanAywBzdhIW1y/tzpGuwRwj5ihi8iNTHgSsoTa"
b"j5AG5HPomJf5vJElxpu/2O9pHA52wcNObIQ7j+JA5uWusxNIbl+pF6sSiP8abr"
b"z53N7tPF/IhHTjBHb1Ol7IFu9p9A== testkey@localhost extra"
)
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_dss_extra_data_after_modulo(self, backend):
ssh_key = (
b"ssh-dss AAAAB3NzaC1kc3MAAACBALmwUtfwdjAUjU2Dixd5DvT0NDcjjr69UD"
b"LqSD/Xt5Al7D3GXr1WOrWGpjO0NE9qzRCvMTU7zykRH6XjuNXB6Hvv48Zfm4vm"
b"nHQHFmmMg2bI75JbnOwdzWnnPZJrVU4rS23dFFPqs5ug+EbhVVrcwzxahjcSjJ"
b"7WEQSkVQWnSPbbAAAAFQDXmpD3DIkGvLSBf1GdUF4PHKtUrQAAAIB/bJFwss+2"
b"fngmfG/Li5OyL7A9iVoGdkUaFaxEUROTp7wkm2z49fXFAir+/U31v50Tu98YLf"
b"WvKlxdHcdgQYV9Ww5LIrhWwwD4UKOwC6w5S3KHVbi3pWUi7vxJFXOWfeu1mC/J"
b"TWqMKR91j+rmOtdppWIZRyIVIqLcMdGO3m+2VgAAAIANFDz5KQH5NvoljpoRQi"
b"RgyPjxWXiE7vjLElKj4v8KrpanAywBzdhIW1y/tzpGuwRwj5ihi8iNTHgSsoTa"
b"j5AG5HPomJf5vJElxpu/2O9pHA52wcNObIQ7j+JA5uWusxNIbl+pF6sSiP8abr"
b"z53N7tPF/IhHTjBHb1Ol7IFu9p9AAwMD== testkey@localhost"
)
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_dss_different_string(self, backend):
ssh_key = (
# "AAAAB3NzA" the final A is capitalized here to cause the string
# ssh-dss inside the base64 encoded blob to be incorrect. It should
# be a lower case 'a'.
b"ssh-dss AAAAB3NzAC1kc3MAAACBALmwUtfwdjAUjU2Dixd5DvT0NDcjjr69UD"
b"LqSD/Xt5Al7D3GXr1WOrWGpjO0NE9qzRCvMTU7zykRH6XjuNXB6Hvv48Zfm4vm"
b"nHQHFmmMg2bI75JbnOwdzWnnPZJrVU4rS23dFFPqs5ug+EbhVVrcwzxahjcSjJ"
b"7WEQSkVQWnSPbbAAAAFQDXmpD3DIkGvLSBf1GdUF4PHKtUrQAAAIB/bJFwss+2"
b"fngmfG/Li5OyL7A9iVoGdkUaFaxEUROTp7wkm2z49fXFAir+/U31v50Tu98YLf"
b"WvKlxdHcdgQYV9Ww5LIrhWwwD4UKOwC6w5S3KHVbi3pWUi7vxJFXOWfeu1mC/J"
b"TWqMKR91j+rmOtdppWIZRyIVIqLcMdGO3m+2VgAAAIANFDz5KQH5NvoljpoRQi"
b"RgyPjxWXiE7vjLElKj4v8KrpanAywBzdhIW1y/tzpGuwRwj5ihi8iNTHgSsoTa"
b"j5AG5HPomJf5vJElxpu/2O9pHA52wcNObIQ7j+JA5uWusxNIbl+pF6sSiP8abr"
b"z53N7tPF/IhHTjBHb1Ol7IFu9p9A== testkey@localhost"
)
with pytest.raises(ValueError):
load_ssh_public_key(ssh_key, backend)
def test_load_ssh_public_key_dss(self, backend):
ssh_key = (
b"ssh-dss AAAAB3NzaC1kc3MAAACBALmwUtfwdjAUjU2Dixd5DvT0NDcjjr69UD"
b"LqSD/Xt5Al7D3GXr1WOrWGpjO0NE9qzRCvMTU7zykRH6XjuNXB6Hvv48Zfm4vm"
b"nHQHFmmMg2bI75JbnOwdzWnnPZJrVU4rS23dFFPqs5ug+EbhVVrcwzxahjcSjJ"
b"7WEQSkVQWnSPbbAAAAFQDXmpD3DIkGvLSBf1GdUF4PHKtUrQAAAIB/bJFwss+2"
b"fngmfG/Li5OyL7A9iVoGdkUaFaxEUROTp7wkm2z49fXFAir+/U31v50Tu98YLf"
b"WvKlxdHcdgQYV9Ww5LIrhWwwD4UKOwC6w5S3KHVbi3pWUi7vxJFXOWfeu1mC/J"
b"TWqMKR91j+rmOtdppWIZRyIVIqLcMdGO3m+2VgAAAIANFDz5KQH5NvoljpoRQi"
b"RgyPjxWXiE7vjLElKj4v8KrpanAywBzdhIW1y/tzpGuwRwj5ihi8iNTHgSsoTa"
b"j5AG5HPomJf5vJElxpu/2O9pHA52wcNObIQ7j+JA5uWusxNIbl+pF6sSiP8abr"
b"z53N7tPF/IhHTjBHb1Ol7IFu9p9A== testkey@localhost"
)
key = load_ssh_public_key(ssh_key, backend)
assert key is not None
assert isinstance(key, interfaces.DSAPublicKey)
numbers = key.public_numbers()
expected_y = int(
"d143cf92901f936fa258e9a11422460c8f8f1597884eef8cb1252a3e2ff0aae"
"96a7032c01cdd8485b5cbfb73a46bb04708f98a18bc88d4c7812b284da8f900"
"6e473e89897f9bc9125c69bbfd8ef691c0e76c1c34e6c843b8fe240e6e5aeb3"
"13486e5fa917ab1288ff1a6ebcf9dcdeed3c5fc88474e30476f53a5ec816ef6"
"9f4", 16
)
expected_p = int(
"b9b052d7f07630148d4d838b17790ef4f43437238ebebd5032ea483fd7b7902"
"5ec3dc65ebd563ab586a633b4344f6acd10af31353bcf29111fa5e3b8d5c1e8"
"7befe3c65f9b8be69c740716698c8366c8ef925b9cec1dcd69e73d926b554e2"
"b4b6ddd1453eab39ba0f846e1555adcc33c5a8637128c9ed61104a45505a748"
"f6db", 16
)
expected_q = 1230879958723280233885494314531920096931919647917
expected_g = int(
"7f6c9170b2cfb67e78267c6fcb8b93b22fb03d895a0676451a15ac44511393a"
"7bc249b6cf8f5f5c5022afefd4df5bf9d13bbdf182df5af2a5c5d1dc7604185"
"7d5b0e4b22b856c300f850a3b00bac394b728755b8b7a56522eefc491573967"
"debb5982fc94d6a8c291f758feae63ad769a5621947221522a2dc31d18ede6f"
"b656", 16
)
expected = DSAPublicNumbers(
expected_y,
DSAParameterNumbers(expected_p, expected_q, expected_g)
)
assert numbers == expected
|