forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
signature_verifier_unittest.cc
411 lines (385 loc) · 23.9 KB
/
signature_verifier_unittest.cc
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
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "crypto/signature_verifier.h"
#include <stddef.h>
#include <stdint.h>
#include "base/logging.h"
#include "base/macros.h"
#include "base/numerics/safe_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
TEST(SignatureVerifierTest, BasicTest) {
// The input data in this test comes from real certificates.
//
// tbs_certificate ("to-be-signed certificate", the part of a certificate that
// is signed), signature, and algorithm come from the certificate of
// bugs.webkit.org.
//
// public_key_info comes from the certificate of the issuer, Go Daddy Secure
// Certification Authority.
//
// The bytes in the array initializers are formatted to expose the DER
// encoding of the ASN.1 structures.
// The data that is signed is the following ASN.1 structure:
// TBSCertificate ::= SEQUENCE {
// ... -- omitted, not important
// }
const uint8_t tbs_certificate[1017] = {
0x30, 0x82, 0x03, 0xf5, // a SEQUENCE of length 1013 (0x3f5)
0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x43, 0xdd, 0x63, 0x30, 0x0d,
0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05,
0x00, 0x30, 0x81, 0xca, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04,
0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55,
0x04, 0x08, 0x13, 0x07, 0x41, 0x72, 0x69, 0x7a, 0x6f, 0x6e, 0x61, 0x31,
0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x0a, 0x53, 0x63,
0x6f, 0x74, 0x74, 0x73, 0x64, 0x61, 0x6c, 0x65, 0x31, 0x1a, 0x30, 0x18,
0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x11, 0x47, 0x6f, 0x44, 0x61, 0x64,
0x64, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e,
0x31, 0x33, 0x30, 0x31, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x13, 0x2a, 0x68,
0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66,
0x69, 0x63, 0x61, 0x74, 0x65, 0x73, 0x2e, 0x67, 0x6f, 0x64, 0x61, 0x64,
0x64, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x72, 0x65, 0x70, 0x6f, 0x73,
0x69, 0x74, 0x6f, 0x72, 0x79, 0x31, 0x30, 0x30, 0x2e, 0x06, 0x03, 0x55,
0x04, 0x03, 0x13, 0x27, 0x47, 0x6f, 0x20, 0x44, 0x61, 0x64, 0x64, 0x79,
0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x43, 0x65, 0x72, 0x74,
0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x41, 0x75,
0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x31, 0x11, 0x30, 0x0f, 0x06,
0x03, 0x55, 0x04, 0x05, 0x13, 0x08, 0x30, 0x37, 0x39, 0x36, 0x39, 0x32,
0x38, 0x37, 0x30, 0x1e, 0x17, 0x0d, 0x30, 0x38, 0x30, 0x33, 0x31, 0x38,
0x32, 0x33, 0x33, 0x35, 0x31, 0x39, 0x5a, 0x17, 0x0d, 0x31, 0x31, 0x30,
0x33, 0x31, 0x38, 0x32, 0x33, 0x33, 0x35, 0x31, 0x39, 0x5a, 0x30, 0x79,
0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55,
0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x13, 0x0a,
0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61, 0x31, 0x12,
0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x09, 0x43, 0x75, 0x70,
0x65, 0x72, 0x74, 0x69, 0x6e, 0x6f, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03,
0x55, 0x04, 0x0a, 0x13, 0x0a, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x49,
0x6e, 0x63, 0x2e, 0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x0b,
0x13, 0x0c, 0x4d, 0x61, 0x63, 0x20, 0x4f, 0x53, 0x20, 0x46, 0x6f, 0x72,
0x67, 0x65, 0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13,
0x0c, 0x2a, 0x2e, 0x77, 0x65, 0x62, 0x6b, 0x69, 0x74, 0x2e, 0x6f, 0x72,
0x67, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00, 0x30,
0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xa7, 0x62, 0x79, 0x41, 0xda, 0x28,
0xf2, 0xc0, 0x4f, 0xe0, 0x25, 0xaa, 0xa1, 0x2e, 0x3b, 0x30, 0x94, 0xb5,
0xc9, 0x26, 0x3a, 0x1b, 0xe2, 0xd0, 0xcc, 0xa2, 0x95, 0xe2, 0x91, 0xc0,
0xf0, 0x40, 0x9e, 0x27, 0x6e, 0xbd, 0x6e, 0xde, 0x7c, 0xb6, 0x30, 0x5c,
0xb8, 0x9b, 0x01, 0x2f, 0x92, 0x04, 0xa1, 0xef, 0x4a, 0xb1, 0x6c, 0xb1,
0x7e, 0x8e, 0xcd, 0xa6, 0xf4, 0x40, 0x73, 0x1f, 0x2c, 0x96, 0xad, 0xff,
0x2a, 0x6d, 0x0e, 0xba, 0x52, 0x84, 0x83, 0xb0, 0x39, 0xee, 0xc9, 0x39,
0xdc, 0x1e, 0x34, 0xd0, 0xd8, 0x5d, 0x7a, 0x09, 0xac, 0xa9, 0xee, 0xca,
0x65, 0xf6, 0x85, 0x3a, 0x6b, 0xee, 0xe4, 0x5c, 0x5e, 0xf8, 0xda, 0xd1,
0xce, 0x88, 0x47, 0xcd, 0x06, 0x21, 0xe0, 0xb9, 0x4b, 0xe4, 0x07, 0xcb,
0x57, 0xdc, 0xca, 0x99, 0x54, 0xf7, 0x0e, 0xd5, 0x17, 0x95, 0x05, 0x2e,
0xe9, 0xb1, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x82, 0x01, 0xce, 0x30,
0x82, 0x01, 0xca, 0x30, 0x09, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x02,
0x30, 0x00, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x04, 0x04, 0x03,
0x02, 0x05, 0xa0, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x04, 0x16,
0x30, 0x14, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01,
0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x02, 0x30, 0x57,
0x06, 0x03, 0x55, 0x1d, 0x1f, 0x04, 0x50, 0x30, 0x4e, 0x30, 0x4c, 0xa0,
0x4a, 0xa0, 0x48, 0x86, 0x46, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f,
0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x73,
0x2e, 0x67, 0x6f, 0x64, 0x61, 0x64, 0x64, 0x79, 0x2e, 0x63, 0x6f, 0x6d,
0x2f, 0x72, 0x65, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x6f, 0x72, 0x79, 0x2f,
0x67, 0x6f, 0x64, 0x61, 0x64, 0x64, 0x79, 0x65, 0x78, 0x74, 0x65, 0x6e,
0x64, 0x65, 0x64, 0x69, 0x73, 0x73, 0x75, 0x69, 0x6e, 0x67, 0x33, 0x2e,
0x63, 0x72, 0x6c, 0x30, 0x52, 0x06, 0x03, 0x55, 0x1d, 0x20, 0x04, 0x4b,
0x30, 0x49, 0x30, 0x47, 0x06, 0x0b, 0x60, 0x86, 0x48, 0x01, 0x86, 0xfd,
0x6d, 0x01, 0x07, 0x17, 0x02, 0x30, 0x38, 0x30, 0x36, 0x06, 0x08, 0x2b,
0x06, 0x01, 0x05, 0x05, 0x07, 0x02, 0x01, 0x16, 0x2a, 0x68, 0x74, 0x74,
0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63,
0x61, 0x74, 0x65, 0x73, 0x2e, 0x67, 0x6f, 0x64, 0x61, 0x64, 0x64, 0x79,
0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x72, 0x65, 0x70, 0x6f, 0x73, 0x69, 0x74,
0x6f, 0x72, 0x79, 0x30, 0x7f, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05,
0x07, 0x01, 0x01, 0x04, 0x73, 0x30, 0x71, 0x30, 0x23, 0x06, 0x08, 0x2b,
0x06, 0x01, 0x05, 0x05, 0x07, 0x30, 0x01, 0x86, 0x17, 0x68, 0x74, 0x74,
0x70, 0x3a, 0x2f, 0x2f, 0x6f, 0x63, 0x73, 0x70, 0x2e, 0x67, 0x6f, 0x64,
0x61, 0x64, 0x64, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x4a, 0x06, 0x08,
0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x30, 0x02, 0x86, 0x3e, 0x68, 0x74,
0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69,
0x63, 0x61, 0x74, 0x65, 0x73, 0x2e, 0x67, 0x6f, 0x64, 0x61, 0x64, 0x64,
0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x72, 0x65, 0x70, 0x6f, 0x73, 0x69,
0x74, 0x6f, 0x72, 0x79, 0x2f, 0x67, 0x64, 0x5f, 0x69, 0x6e, 0x74, 0x65,
0x72, 0x6d, 0x65, 0x64, 0x69, 0x61, 0x74, 0x65, 0x2e, 0x63, 0x72, 0x74,
0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x48,
0xdf, 0x60, 0x32, 0xcc, 0x89, 0x01, 0xb6, 0xdc, 0x2f, 0xe3, 0x73, 0xb5,
0x9c, 0x16, 0x58, 0x32, 0x68, 0xa9, 0xc3, 0x30, 0x1f, 0x06, 0x03, 0x55,
0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0xfd, 0xac, 0x61, 0x32,
0x93, 0x6c, 0x45, 0xd6, 0xe2, 0xee, 0x85, 0x5f, 0x9a, 0xba, 0xe7, 0x76,
0x99, 0x68, 0xcc, 0xe7, 0x30, 0x23, 0x06, 0x03, 0x55, 0x1d, 0x11, 0x04,
0x1c, 0x30, 0x1a, 0x82, 0x0c, 0x2a, 0x2e, 0x77, 0x65, 0x62, 0x6b, 0x69,
0x74, 0x2e, 0x6f, 0x72, 0x67, 0x82, 0x0a, 0x77, 0x65, 0x62, 0x6b, 0x69,
0x74, 0x2e, 0x6f, 0x72, 0x67};
// RSA signature, a big integer in the big-endian byte order.
const uint8_t signature[256] = {
0x1e, 0x6a, 0xe7, 0xe0, 0x4f, 0xe7, 0x4d, 0xd0, 0x69, 0x7c, 0xf8, 0x8f,
0x99, 0xb4, 0x18, 0x95, 0x36, 0x24, 0x0f, 0x0e, 0xa3, 0xea, 0x34, 0x37,
0xf4, 0x7d, 0xd5, 0x92, 0x35, 0x53, 0x72, 0x76, 0x3f, 0x69, 0xf0, 0x82,
0x56, 0xe3, 0x94, 0x7a, 0x1d, 0x1a, 0x81, 0xaf, 0x9f, 0xc7, 0x43, 0x01,
0x64, 0xd3, 0x7c, 0x0d, 0xc8, 0x11, 0x4e, 0x4a, 0xe6, 0x1a, 0xc3, 0x01,
0x74, 0xe8, 0x35, 0x87, 0x5c, 0x61, 0xaa, 0x8a, 0x46, 0x06, 0xbe, 0x98,
0x95, 0x24, 0x9e, 0x01, 0xe3, 0xe6, 0xa0, 0x98, 0xee, 0x36, 0x44, 0x56,
0x8d, 0x23, 0x9c, 0x65, 0xea, 0x55, 0x6a, 0xdf, 0x66, 0xee, 0x45, 0xe8,
0xa0, 0xe9, 0x7d, 0x9a, 0xba, 0x94, 0xc5, 0xc8, 0xc4, 0x4b, 0x98, 0xff,
0x9a, 0x01, 0x31, 0x6d, 0xf9, 0x2b, 0x58, 0xe7, 0xe7, 0x2a, 0xc5, 0x4d,
0xbb, 0xbb, 0xcd, 0x0d, 0x70, 0xe1, 0xad, 0x03, 0xf5, 0xfe, 0xf4, 0x84,
0x71, 0x08, 0xd2, 0xbc, 0x04, 0x7b, 0x26, 0x1c, 0xa8, 0x0f, 0x9c, 0xd8,
0x12, 0x6a, 0x6f, 0x2b, 0x67, 0xa1, 0x03, 0x80, 0x9a, 0x11, 0x0b, 0xe9,
0xe0, 0xb5, 0xb3, 0xb8, 0x19, 0x4e, 0x0c, 0xa4, 0xd9, 0x2b, 0x3b, 0xc2,
0xca, 0x20, 0xd3, 0x0c, 0xa4, 0xff, 0x93, 0x13, 0x1f, 0xfc, 0xba, 0x94,
0x93, 0x8c, 0x64, 0x15, 0x2e, 0x28, 0xa9, 0x55, 0x8c, 0x2c, 0x48, 0xd3,
0xd3, 0xc1, 0x50, 0x69, 0x19, 0xe8, 0x34, 0xd3, 0xf1, 0x04, 0x9f, 0x0a,
0x7a, 0x21, 0x87, 0xbf, 0xb9, 0x59, 0x37, 0x2e, 0xf4, 0x71, 0xa5, 0x3e,
0xbe, 0xcd, 0x70, 0x83, 0x18, 0xf8, 0x8a, 0x72, 0x85, 0x45, 0x1f, 0x08,
0x01, 0x6f, 0x37, 0xf5, 0x2b, 0x7b, 0xea, 0xb9, 0x8b, 0xa3, 0xcc, 0xfd,
0x35, 0x52, 0xdd, 0x66, 0xde, 0x4f, 0x30, 0xc5, 0x73, 0x81, 0xb6, 0xe8,
0x3c, 0xd8, 0x48, 0x8a};
// The public key is specified as the following ASN.1 structure:
// SubjectPublicKeyInfo ::= SEQUENCE {
// algorithm AlgorithmIdentifier,
// subjectPublicKey BIT STRING }
const uint8_t public_key_info[294] = {
0x30, 0x82, 0x01, 0x22, // a SEQUENCE of length 290 (0x122)
// algorithm
0x30, 0x0d, // a SEQUENCE of length 13
0x06, 0x09, // an OBJECT IDENTIFIER of length 9
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05,
0x00, // a NULL of length 0
// subjectPublicKey
0x03, 0x82, 0x01, 0x0f, // a BIT STRING of length 271 (0x10f)
0x00, // number of unused bits
0x30, 0x82, 0x01, 0x0a, // a SEQUENCE of length 266 (0x10a)
// modulus
0x02, 0x82, 0x01, 0x01, // an INTEGER of length 257 (0x101)
0x00, 0xc4, 0x2d, 0xd5, 0x15, 0x8c, 0x9c, 0x26, 0x4c, 0xec, 0x32, 0x35,
0xeb, 0x5f, 0xb8, 0x59, 0x01, 0x5a, 0xa6, 0x61, 0x81, 0x59, 0x3b, 0x70,
0x63, 0xab, 0xe3, 0xdc, 0x3d, 0xc7, 0x2a, 0xb8, 0xc9, 0x33, 0xd3, 0x79,
0xe4, 0x3a, 0xed, 0x3c, 0x30, 0x23, 0x84, 0x8e, 0xb3, 0x30, 0x14, 0xb6,
0xb2, 0x87, 0xc3, 0x3d, 0x95, 0x54, 0x04, 0x9e, 0xdf, 0x99, 0xdd, 0x0b,
0x25, 0x1e, 0x21, 0xde, 0x65, 0x29, 0x7e, 0x35, 0xa8, 0xa9, 0x54, 0xeb,
0xf6, 0xf7, 0x32, 0x39, 0xd4, 0x26, 0x55, 0x95, 0xad, 0xef, 0xfb, 0xfe,
0x58, 0x86, 0xd7, 0x9e, 0xf4, 0x00, 0x8d, 0x8c, 0x2a, 0x0c, 0xbd, 0x42,
0x04, 0xce, 0xa7, 0x3f, 0x04, 0xf6, 0xee, 0x80, 0xf2, 0xaa, 0xef, 0x52,
0xa1, 0x69, 0x66, 0xda, 0xbe, 0x1a, 0xad, 0x5d, 0xda, 0x2c, 0x66, 0xea,
0x1a, 0x6b, 0xbb, 0xe5, 0x1a, 0x51, 0x4a, 0x00, 0x2f, 0x48, 0xc7, 0x98,
0x75, 0xd8, 0xb9, 0x29, 0xc8, 0xee, 0xf8, 0x66, 0x6d, 0x0a, 0x9c, 0xb3,
0xf3, 0xfc, 0x78, 0x7c, 0xa2, 0xf8, 0xa3, 0xf2, 0xb5, 0xc3, 0xf3, 0xb9,
0x7a, 0x91, 0xc1, 0xa7, 0xe6, 0x25, 0x2e, 0x9c, 0xa8, 0xed, 0x12, 0x65,
0x6e, 0x6a, 0xf6, 0x12, 0x44, 0x53, 0x70, 0x30, 0x95, 0xc3, 0x9c, 0x2b,
0x58, 0x2b, 0x3d, 0x08, 0x74, 0x4a, 0xf2, 0xbe, 0x51, 0xb0, 0xbf, 0x87,
0xd0, 0x4c, 0x27, 0x58, 0x6b, 0xb5, 0x35, 0xc5, 0x9d, 0xaf, 0x17, 0x31,
0xf8, 0x0b, 0x8f, 0xee, 0xad, 0x81, 0x36, 0x05, 0x89, 0x08, 0x98, 0xcf,
0x3a, 0xaf, 0x25, 0x87, 0xc0, 0x49, 0xea, 0xa7, 0xfd, 0x67, 0xf7, 0x45,
0x8e, 0x97, 0xcc, 0x14, 0x39, 0xe2, 0x36, 0x85, 0xb5, 0x7e, 0x1a, 0x37,
0xfd, 0x16, 0xf6, 0x71, 0x11, 0x9a, 0x74, 0x30, 0x16, 0xfe, 0x13, 0x94,
0xa3, 0x3f, 0x84, 0x0d, 0x4f,
// public exponent
0x02, 0x03, // an INTEGER of length 3
0x01, 0x00, 0x01};
// We use the signature verifier to perform four signature verification
// tests.
crypto::SignatureVerifier verifier;
// Test 1: feed all of the data to the verifier at once (a single
// VerifyUpdate call).
EXPECT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1,
signature, public_key_info));
verifier.VerifyUpdate(tbs_certificate);
EXPECT_TRUE(verifier.VerifyFinal());
// Test 2: feed the data to the verifier in three parts (three VerifyUpdate
// calls).
EXPECT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1,
signature, public_key_info));
verifier.VerifyUpdate(base::make_span(tbs_certificate, 256));
verifier.VerifyUpdate(base::make_span(tbs_certificate + 256, 256));
verifier.VerifyUpdate(
base::make_span(tbs_certificate + 512, sizeof(tbs_certificate) - 512));
EXPECT_TRUE(verifier.VerifyFinal());
// Test 3: verify the signature with incorrect data.
uint8_t bad_tbs_certificate[sizeof(tbs_certificate)];
memcpy(bad_tbs_certificate, tbs_certificate, sizeof(tbs_certificate));
bad_tbs_certificate[10] += 1; // Corrupt one byte of the data.
EXPECT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1,
signature, public_key_info));
verifier.VerifyUpdate(bad_tbs_certificate);
EXPECT_FALSE(verifier.VerifyFinal());
// Test 4: verify a bad signature.
uint8_t bad_signature[sizeof(signature)];
memcpy(bad_signature, signature, sizeof(signature));
bad_signature[10] += 1; // Corrupt one byte of the signature.
EXPECT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1,
bad_signature, public_key_info));
verifier.VerifyUpdate(tbs_certificate);
EXPECT_FALSE(verifier.VerifyFinal());
// Test 5: import an invalid key.
uint8_t bad_public_key_info[sizeof(public_key_info)];
memcpy(bad_public_key_info, public_key_info, sizeof(public_key_info));
bad_public_key_info[0] += 1; // Corrupt part of the SPKI syntax.
EXPECT_FALSE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1,
signature, bad_public_key_info));
// Test 6: import a key with extra data.
uint8_t long_public_key_info[sizeof(public_key_info) + 5];
memset(long_public_key_info, 0, sizeof(long_public_key_info));
memcpy(long_public_key_info, public_key_info, sizeof(public_key_info));
EXPECT_FALSE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PKCS1_SHA1,
signature, long_public_key_info));
}
// The following RSA-PSS tests were generated via the following OpenSSL
// commands:
//
// clang-format off
// openssl genrsa -f4 -out key.pem 2048
// openssl rsa -in key.pem -pubout -outform der | xxd -i > spki.txt
// openssl rand -out message 50
// xxd -i message > message.txt
// openssl dgst -sign key.pem -sha256 -sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:32 < message | xxd -i > sig-good.txt
// openssl dgst -sign key.pem -sha256 -sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:33 < message | xxd -i > sig-bad-saltlen.txt
// clang-format on
namespace {
// This is the public key corresponding to the following private key.
//
// -----BEGIN RSA PRIVATE KEY-----
// MIIEowIBAAKCAQEArg5NXFRQQ5QU7dcqqIjZwL4qy4AaJNSPfSPvXmFbK0hDXdp6
// PdOZ2Wd+lQLZwb7ZQ2ZdqHVK3kZ2sVUlFmngIoEXNhVg+gW2zGPZ1YemwBMdZ/NW
// V2xTX7Y3RrdR/kSccd9ByRTHKb+BCJ2XN5pHu91+LFchahW0lVPHz9DkBPUCThM2
// I4ZosM3+AcO93RrrcbiQdpuY60Lfg9ZX7+1clM7zhiuOjWNY+FLN4+j4Ec8isiis
// /V1LQyxRZ2t29kto47UJKu0Li7gUvEE1PS/nXBVgEqcSEBBKXa4ahsTqKWJAwvEH
// xaH1t2qhVO1IHcf9FSv5k1T47H7XMLpO2OCPrwIDAQABAoIBAQCXA4exTOHa0Dcc
// aGv1j87GAPimWX3VaKsaGzyKuZNdSTRR0MXwsI+yZa4Y4UFHbSuZ483s499SXPaM
// Q2CLQs8ZgME/xmq+YojIavXL4wcVbUA9OY43CaCI0VLCQzmbj7HgxqCQMzvdh+8P
// J5PUxUHpyHG5TNuL7EsiqG8bapT7ip2+IpKrKjr18gn3k0k9mLNJxK9Qr+CJphwo
// eJgq0Kcjx3bfgDEpPzyvdd+J3e+jclOTYbk2HwJ0FVCrfgJedHFIWUytZoM5783g
// knXzgDyKs65aUDjc/opidXp3WOqfNJUPSiofPYPdYQ26UI0vztL5MBkWCpl+d/55
// BqxCdDlhAoGBANm90DFUca+7LdnDgj8mWtUIzr+XVzSD9tzOIpcjiPwEnxk8RHrM
// aMHCAKZpbsnX/ikdc2I1OsirPgNFh1q30xgL7oCadzxlwfXnEM0Nff8RJKtN+yI6
// +nRoOCDGCHBsaa2wyMYRbnanyRDLPIOP4eGQ6Hz/LQJBvhjRyTXlrUU/AoGBAMyj
// ec1ySnlJ2S0JqPBCk14dRsEs/zStgFz1Wdmk7TMRBPUMyhWf8JwNrU5Ppm9biJMo
// MKwkiFjzv/us4ne3wFRsTiKj4uiIwfji7/N2VpbEXSDGtonrX7hES4wQ/s+qr8XJ
// 8ykHrZ9rPOY2lBhxOo+VYE3U6aspAY/qwK8WyumRAoGAMdl+/Iw0quLTkHNuMj75
// tKQbkUl4sZE0x0B6Mtfz2J7GPeTKWMLLiPB9bZvdvWAx0//mFqnRF3f87orQfjhv
// n6W7qL20ZqN1UHLiKc/Y9LhcCMwFnsSZ6mSh1P8Bl5t6ZkV+8bmz7H5lTe75n7Ul
// JZsjXtqc11NtzgjZY/l9PckCgYAH6ZI+FVs30VkqWqNDlu9nxi4ELh84BDVgYsQ0
// nCHnxZKxfusZZvPAtO6shnvi9mETf4xSO59iARq9OnQPOPWgzgc/Y6LUZuVJIE0y
// 1rKGZdVL/SL1tjofP9TD96xCj1D4jtRuE7Ps5BKYvCeBwm8HOjldCQx357/9to/4
// tSLnYQKBgG7STr94Slb3/BzzMxdMLCum1PH73/+IFxu1J0cXxYLP2zEhcSgqGIwm
// aMgdu1L9eE6lJM99AWTEkpcUz8UFwNt+hZW+lZZpex77RMgRl9VCiwid1BNBSU/o
// +lT1mlpDrPCNOge9n6Qvy5waBugB8uNS86w0UImYiKZr+8IQ4EdE
// -----END RSA PRIVATE KEY-----
const uint8_t kPSSPublicKey[] = {
0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00,
0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xae, 0x0e, 0x4d,
0x5c, 0x54, 0x50, 0x43, 0x94, 0x14, 0xed, 0xd7, 0x2a, 0xa8, 0x88, 0xd9,
0xc0, 0xbe, 0x2a, 0xcb, 0x80, 0x1a, 0x24, 0xd4, 0x8f, 0x7d, 0x23, 0xef,
0x5e, 0x61, 0x5b, 0x2b, 0x48, 0x43, 0x5d, 0xda, 0x7a, 0x3d, 0xd3, 0x99,
0xd9, 0x67, 0x7e, 0x95, 0x02, 0xd9, 0xc1, 0xbe, 0xd9, 0x43, 0x66, 0x5d,
0xa8, 0x75, 0x4a, 0xde, 0x46, 0x76, 0xb1, 0x55, 0x25, 0x16, 0x69, 0xe0,
0x22, 0x81, 0x17, 0x36, 0x15, 0x60, 0xfa, 0x05, 0xb6, 0xcc, 0x63, 0xd9,
0xd5, 0x87, 0xa6, 0xc0, 0x13, 0x1d, 0x67, 0xf3, 0x56, 0x57, 0x6c, 0x53,
0x5f, 0xb6, 0x37, 0x46, 0xb7, 0x51, 0xfe, 0x44, 0x9c, 0x71, 0xdf, 0x41,
0xc9, 0x14, 0xc7, 0x29, 0xbf, 0x81, 0x08, 0x9d, 0x97, 0x37, 0x9a, 0x47,
0xbb, 0xdd, 0x7e, 0x2c, 0x57, 0x21, 0x6a, 0x15, 0xb4, 0x95, 0x53, 0xc7,
0xcf, 0xd0, 0xe4, 0x04, 0xf5, 0x02, 0x4e, 0x13, 0x36, 0x23, 0x86, 0x68,
0xb0, 0xcd, 0xfe, 0x01, 0xc3, 0xbd, 0xdd, 0x1a, 0xeb, 0x71, 0xb8, 0x90,
0x76, 0x9b, 0x98, 0xeb, 0x42, 0xdf, 0x83, 0xd6, 0x57, 0xef, 0xed, 0x5c,
0x94, 0xce, 0xf3, 0x86, 0x2b, 0x8e, 0x8d, 0x63, 0x58, 0xf8, 0x52, 0xcd,
0xe3, 0xe8, 0xf8, 0x11, 0xcf, 0x22, 0xb2, 0x28, 0xac, 0xfd, 0x5d, 0x4b,
0x43, 0x2c, 0x51, 0x67, 0x6b, 0x76, 0xf6, 0x4b, 0x68, 0xe3, 0xb5, 0x09,
0x2a, 0xed, 0x0b, 0x8b, 0xb8, 0x14, 0xbc, 0x41, 0x35, 0x3d, 0x2f, 0xe7,
0x5c, 0x15, 0x60, 0x12, 0xa7, 0x12, 0x10, 0x10, 0x4a, 0x5d, 0xae, 0x1a,
0x86, 0xc4, 0xea, 0x29, 0x62, 0x40, 0xc2, 0xf1, 0x07, 0xc5, 0xa1, 0xf5,
0xb7, 0x6a, 0xa1, 0x54, 0xed, 0x48, 0x1d, 0xc7, 0xfd, 0x15, 0x2b, 0xf9,
0x93, 0x54, 0xf8, 0xec, 0x7e, 0xd7, 0x30, 0xba, 0x4e, 0xd8, 0xe0, 0x8f,
0xaf, 0x02, 0x03, 0x01, 0x00, 0x01,
};
const uint8_t kPSSMessage[] = {
0x1e, 0x70, 0xbd, 0xeb, 0x24, 0xf2, 0x9d, 0x05, 0xc5, 0xb5,
0xf4, 0xca, 0xe6, 0x1d, 0x01, 0x97, 0x29, 0xf4, 0xe0, 0x7c,
0xfd, 0xcc, 0x97, 0x8d, 0xc2, 0xbb, 0x2d, 0x9b, 0x6b, 0x45,
0x06, 0xbd, 0x2c, 0x66, 0x10, 0x42, 0x73, 0x8d, 0x88, 0x9b,
0x18, 0xcc, 0xcb, 0x7e, 0x43, 0x23, 0x06, 0xe9, 0x8f, 0x8f,
};
const uint8_t kPSSSignatureGood[] = {
0x12, 0xa7, 0x6d, 0x9e, 0x8a, 0xea, 0x28, 0xe0, 0x3f, 0x6f, 0x5a, 0xa4,
0x1b, 0x6a, 0x0a, 0x14, 0xba, 0xfa, 0x84, 0xf6, 0xb7, 0x3c, 0xc9, 0xd6,
0x84, 0xab, 0x1e, 0x77, 0x88, 0x53, 0x95, 0x43, 0x8e, 0x73, 0xe4, 0x21,
0xab, 0x69, 0xb2, 0x0c, 0x73, 0x4d, 0x98, 0x42, 0xbd, 0x65, 0xa2, 0x95,
0x0d, 0x76, 0xb2, 0xbd, 0xe5, 0x9a, 0x6e, 0x9f, 0x72, 0x7f, 0xdd, 0x1e,
0x9f, 0xda, 0xc8, 0x2e, 0xa3, 0xe6, 0x28, 0x03, 0x98, 0x5c, 0x13, 0xa7,
0x7d, 0x4e, 0xde, 0xea, 0x35, 0x1b, 0x35, 0x7e, 0xaa, 0x14, 0xf9, 0xfb,
0xac, 0x61, 0xd0, 0x44, 0x20, 0xd5, 0x52, 0x5b, 0x92, 0x8f, 0xe7, 0x37,
0xa2, 0x72, 0x7d, 0xe6, 0x0d, 0x81, 0x63, 0xcc, 0x0f, 0xbd, 0xde, 0x25,
0xe3, 0x3f, 0x89, 0x1b, 0x39, 0x64, 0xfa, 0x21, 0x1d, 0x0f, 0x9b, 0x8a,
0xc1, 0xad, 0x03, 0x49, 0x96, 0xff, 0x9f, 0x2d, 0x83, 0xee, 0x2d, 0x2a,
0x1e, 0xc5, 0x73, 0x9f, 0x5b, 0xde, 0xcb, 0xaf, 0x02, 0xbd, 0xc5, 0x9b,
0x78, 0xb9, 0x8e, 0x01, 0x75, 0x3c, 0xc9, 0x6e, 0x7d, 0x3e, 0x61, 0x62,
0xc4, 0x8c, 0x9e, 0x76, 0xed, 0x52, 0x5e, 0x80, 0x89, 0xa7, 0x75, 0x5e,
0xc6, 0x34, 0x97, 0x22, 0x40, 0xb5, 0x0c, 0x77, 0x09, 0x8c, 0xa8, 0xe9,
0xf6, 0x8d, 0xc0, 0x10, 0x78, 0x92, 0xa9, 0xc6, 0x68, 0xa3, 0x57, 0x6e,
0x73, 0xb5, 0x73, 0x8d, 0x8e, 0x21, 0xb1, 0xf3, 0xd0, 0x0a, 0x40, 0x68,
0xfc, 0x3c, 0xeb, 0xd3, 0x48, 0x4a, 0x44, 0xbd, 0xc0, 0x40, 0x5d, 0x9b,
0x40, 0x6f, 0x45, 0x98, 0x2b, 0xae, 0x58, 0xe8, 0x9d, 0x34, 0x49, 0xd2,
0xec, 0xdc, 0xd5, 0x98, 0xb4, 0x87, 0x8a, 0xcc, 0x41, 0x3e, 0xd7, 0xe6,
0x21, 0xd6, 0x4c, 0x89, 0xf1, 0xf4, 0x77, 0x40, 0x3f, 0x9a, 0x28, 0x25,
0x55, 0x7c, 0xf5, 0x0c,
};
const uint8_t kPSSSignatureBadSaltLength[] = {
0x6e, 0x61, 0xbe, 0x8a, 0x82, 0xbd, 0xed, 0xc6, 0xe4, 0x33, 0x91, 0xa4,
0x43, 0x57, 0x51, 0x7e, 0xa8, 0x18, 0xbf, 0x20, 0x98, 0xbc, 0x04, 0x50,
0x06, 0x1b, 0x0b, 0xb6, 0x43, 0xde, 0x58, 0x7f, 0x6b, 0xa5, 0x5e, 0x9d,
0xd1, 0x75, 0x03, 0xf5, 0x19, 0x8d, 0xdb, 0x2c, 0xd2, 0x9a, 0xf9, 0xbd,
0x82, 0x8d, 0x32, 0x9d, 0x7d, 0x70, 0x6f, 0x81, 0x95, 0x60, 0x1d, 0x62,
0x72, 0xf3, 0x95, 0x5b, 0x7a, 0x66, 0x7f, 0x45, 0x94, 0x0c, 0x07, 0xc8,
0xa7, 0x64, 0x38, 0x57, 0x1a, 0x64, 0x64, 0xf1, 0xe0, 0x45, 0xfe, 0x00,
0x11, 0x90, 0x57, 0x95, 0x15, 0x21, 0x10, 0x85, 0xc0, 0xbe, 0x53, 0x5b,
0x3b, 0xa3, 0x57, 0x99, 0x2b, 0x94, 0x6b, 0xbf, 0xa5, 0x55, 0x7d, 0x5a,
0xcb, 0xa2, 0x73, 0x6b, 0x5f, 0x7b, 0x3f, 0x10, 0x90, 0xd1, 0x26, 0x72,
0x5e, 0xad, 0xd1, 0x34, 0xe8, 0x8a, 0x33, 0xeb, 0xd2, 0xbf, 0x54, 0x92,
0xeb, 0x7c, 0xb9, 0x97, 0x80, 0x5a, 0x46, 0xc4, 0xbd, 0xf5, 0x7e, 0xd6,
0x20, 0x90, 0x92, 0xcb, 0x37, 0x85, 0x9d, 0x81, 0x0a, 0xd0, 0xa5, 0x73,
0x17, 0x7e, 0xe2, 0x91, 0xef, 0x35, 0x55, 0xc9, 0x5e, 0x87, 0x84, 0x11,
0xa4, 0x36, 0xf0, 0x2a, 0xa7, 0x7a, 0x83, 0x1d, 0x7a, 0x90, 0x69, 0x22,
0x5d, 0x3b, 0x30, 0x48, 0x46, 0xd2, 0xd3, 0x49, 0x23, 0x64, 0xa4, 0x6d,
0xd1, 0xef, 0xb9, 0x1b, 0xa4, 0xd1, 0x92, 0xdd, 0x8c, 0xb2, 0xaa, 0x9f,
0x6a, 0x2c, 0xc9, 0xdb, 0xa7, 0x35, 0x66, 0x92, 0x8b, 0x73, 0x11, 0x70,
0x2b, 0xf4, 0x34, 0x3f, 0x9e, 0x15, 0x3e, 0xc0, 0xac, 0x78, 0x6f, 0x74,
0x8a, 0x6b, 0xe4, 0xf2, 0x7b, 0x10, 0xca, 0x01, 0x3a, 0x3a, 0x88, 0x39,
0x34, 0xa8, 0x52, 0x4a, 0x76, 0x50, 0xef, 0xdb, 0x91, 0x3c, 0x4a, 0x5c,
0xe5, 0x43, 0x6f, 0x8e,
};
} // namespace
TEST(SignatureVerifierTest, VerifyRSAPSS) {
// Verify the test vector.
crypto::SignatureVerifier verifier;
ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256,
kPSSSignatureGood, kPSSPublicKey));
verifier.VerifyUpdate(kPSSMessage);
EXPECT_TRUE(verifier.VerifyFinal());
// Verify the test vector byte-by-byte.
ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256,
kPSSSignatureGood, kPSSPublicKey));
for (uint8_t b : kPSSMessage) {
verifier.VerifyUpdate(base::make_span(&b, 1));
}
EXPECT_TRUE(verifier.VerifyFinal());
// The bad salt length does not verify.
ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256,
kPSSSignatureBadSaltLength, kPSSPublicKey));
verifier.VerifyUpdate(kPSSMessage);
EXPECT_FALSE(verifier.VerifyFinal());
// Corrupt the message.
std::vector<uint8_t> message(std::begin(kPSSMessage), std::end(kPSSMessage));
message[0] ^= 1;
ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256,
kPSSSignatureGood, kPSSPublicKey));
verifier.VerifyUpdate(message);
EXPECT_FALSE(verifier.VerifyFinal());
// Corrupt the signature.
std::vector<uint8_t> signature(std::begin(kPSSSignatureGood),
std::end(kPSSSignatureGood));
signature[0] ^= 1;
ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::RSA_PSS_SHA256,
signature, kPSSPublicKey));
verifier.VerifyUpdate(kPSSMessage);
EXPECT_FALSE(verifier.VerifyFinal());
}