1 /*
2 * QEMU Crypto cipher algorithms
3 *
4 * Copyright (c) 2015-2016 Red Hat, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 *
19 */
20
21 #include "qemu/osdep.h"
22 #include "qapi/error.h"
23 #include "crypto/init.h"
24 #ifndef _WIN32
25 #include <sys/resource.h>
26 #endif
27
28 #if defined(_WIN32) || defined(RUSAGE_THREAD) || defined(CONFIG_DARWIN)
29 #include "crypto/pbkdf.h"
30
31 typedef struct QCryptoPbkdfTestData QCryptoPbkdfTestData;
32 struct QCryptoPbkdfTestData {
33 const char *path;
34 QCryptoHashAlgo hash;
35 unsigned int iterations;
36 const char *key;
37 size_t nkey;
38 const char *salt;
39 size_t nsalt;
40 const char *out;
41 size_t nout;
42 bool slow;
43 };
44
45 /* This test data comes from cryptsetup package
46 *
47 * $SRC/lib/crypto_backend/pbkdf2_generic.c
48 *
49 * under LGPLv2.1+ license
50 */
51 static QCryptoPbkdfTestData test_data[] = {
52 /* RFC 3962 test data */
53 {
54 .path = "/crypto/pbkdf/rfc3962/sha1/iter1",
55 .hash = QCRYPTO_HASH_ALGO_SHA1,
56 .iterations = 1,
57 .key = "password",
58 .nkey = 8,
59 .salt = "ATHENA.MIT.EDUraeburn",
60 .nsalt = 21,
61 .out = "\xcd\xed\xb5\x28\x1b\xb2\xf8\x01"
62 "\x56\x5a\x11\x22\xb2\x56\x35\x15"
63 "\x0a\xd1\xf7\xa0\x4b\xb9\xf3\xa3"
64 "\x33\xec\xc0\xe2\xe1\xf7\x08\x37",
65 .nout = 32
66 },
67 {
68 .path = "/crypto/pbkdf/rfc3962/sha1/iter2",
69 .hash = QCRYPTO_HASH_ALGO_SHA1,
70 .iterations = 2,
71 .key = "password",
72 .nkey = 8,
73 .salt = "ATHENA.MIT.EDUraeburn",
74 .nsalt = 21,
75 .out = "\x01\xdb\xee\x7f\x4a\x9e\x24\x3e"
76 "\x98\x8b\x62\xc7\x3c\xda\x93\x5d"
77 "\xa0\x53\x78\xb9\x32\x44\xec\x8f"
78 "\x48\xa9\x9e\x61\xad\x79\x9d\x86",
79 .nout = 32
80 },
81 {
82 .path = "/crypto/pbkdf/rfc3962/sha1/iter1200a",
83 .hash = QCRYPTO_HASH_ALGO_SHA1,
84 .iterations = 1200,
85 .key = "password",
86 .nkey = 8,
87 .salt = "ATHENA.MIT.EDUraeburn",
88 .nsalt = 21,
89 .out = "\x5c\x08\xeb\x61\xfd\xf7\x1e\x4e"
90 "\x4e\xc3\xcf\x6b\xa1\xf5\x51\x2b"
91 "\xa7\xe5\x2d\xdb\xc5\xe5\x14\x2f"
92 "\x70\x8a\x31\xe2\xe6\x2b\x1e\x13",
93 .nout = 32
94 },
95 {
96 .path = "/crypto/pbkdf/rfc3962/sha1/iter5",
97 .hash = QCRYPTO_HASH_ALGO_SHA1,
98 .iterations = 5,
99 .key = "password",
100 .nkey = 8,
101 .salt = "\0224VxxV4\022", /* "\x1234567878563412 */
102 .nsalt = 8,
103 .out = "\xd1\xda\xa7\x86\x15\xf2\x87\xe6"
104 "\xa1\xc8\xb1\x20\xd7\x06\x2a\x49"
105 "\x3f\x98\xd2\x03\xe6\xbe\x49\xa6"
106 "\xad\xf4\xfa\x57\x4b\x6e\x64\xee",
107 .nout = 32
108 },
109 {
110 .path = "/crypto/pbkdf/rfc3962/sha1/iter1200b",
111 .hash = QCRYPTO_HASH_ALGO_SHA1,
112 .iterations = 1200,
113 .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
114 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
115 .nkey = 64,
116 .salt = "pass phrase equals block size",
117 .nsalt = 29,
118 .out = "\x13\x9c\x30\xc0\x96\x6b\xc3\x2b"
119 "\xa5\x5f\xdb\xf2\x12\x53\x0a\xc9"
120 "\xc5\xec\x59\xf1\xa4\x52\xf5\xcc"
121 "\x9a\xd9\x40\xfe\xa0\x59\x8e\xd1",
122 .nout = 32
123 },
124 {
125 .path = "/crypto/pbkdf/rfc3962/sha1/iter1200c",
126 .hash = QCRYPTO_HASH_ALGO_SHA1,
127 .iterations = 1200,
128 .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
129 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
130 .nkey = 65,
131 .salt = "pass phrase exceeds block size",
132 .nsalt = 30,
133 .out = "\x9c\xca\xd6\xd4\x68\x77\x0c\xd5"
134 "\x1b\x10\xe6\xa6\x87\x21\xbe\x61"
135 "\x1a\x8b\x4d\x28\x26\x01\xdb\x3b"
136 "\x36\xbe\x92\x46\x91\x5e\xc8\x2a",
137 .nout = 32
138 },
139 {
140 .path = "/crypto/pbkdf/rfc3962/sha1/iter50",
141 .hash = QCRYPTO_HASH_ALGO_SHA1,
142 .iterations = 50,
143 .key = "\360\235\204\236", /* g-clef ("\xf09d849e) */
144 .nkey = 4,
145 .salt = "EXAMPLE.COMpianist",
146 .nsalt = 18,
147 .out = "\x6b\x9c\xf2\x6d\x45\x45\x5a\x43"
148 "\xa5\xb8\xbb\x27\x6a\x40\x3b\x39"
149 "\xe7\xfe\x37\xa0\xc4\x1e\x02\xc2"
150 "\x81\xff\x30\x69\xe1\xe9\x4f\x52",
151 .nout = 32
152 },
153
154 /* RFC-6070 test data */
155 {
156 .path = "/crypto/pbkdf/rfc6070/sha1/iter1",
157 .hash = QCRYPTO_HASH_ALGO_SHA1,
158 .iterations = 1,
159 .key = "password",
160 .nkey = 8,
161 .salt = "salt",
162 .nsalt = 4,
163 .out = "\x0c\x60\xc8\x0f\x96\x1f\x0e\x71\xf3\xa9"
164 "\xb5\x24\xaf\x60\x12\x06\x2f\xe0\x37\xa6",
165 .nout = 20
166 },
167 {
168 .path = "/crypto/pbkdf/rfc6070/sha1/iter2",
169 .hash = QCRYPTO_HASH_ALGO_SHA1,
170 .iterations = 2,
171 .key = "password",
172 .nkey = 8,
173 .salt = "salt",
174 .nsalt = 4,
175 .out = "\xea\x6c\x01\x4d\xc7\x2d\x6f\x8c\xcd\x1e"
176 "\xd9\x2a\xce\x1d\x41\xf0\xd8\xde\x89\x57",
177 .nout = 20
178 },
179 {
180 .path = "/crypto/pbkdf/rfc6070/sha1/iter4096",
181 .hash = QCRYPTO_HASH_ALGO_SHA1,
182 .iterations = 4096,
183 .key = "password",
184 .nkey = 8,
185 .salt = "salt",
186 .nsalt = 4,
187 .out = "\x4b\x00\x79\x01\xb7\x65\x48\x9a\xbe\xad"
188 "\x49\xd9\x26\xf7\x21\xd0\x65\xa4\x29\xc1",
189 .nout = 20
190 },
191 {
192 .path = "/crypto/pbkdf/rfc6070/sha1/iter16777216",
193 .hash = QCRYPTO_HASH_ALGO_SHA1,
194 .iterations = 16777216,
195 .key = "password",
196 .nkey = 8,
197 .salt = "salt",
198 .nsalt = 4,
199 .out = "\xee\xfe\x3d\x61\xcd\x4d\xa4\xe4\xe9\x94"
200 "\x5b\x3d\x6b\xa2\x15\x8c\x26\x34\xe9\x84",
201 .nout = 20,
202 .slow = true,
203 },
204 {
205 .path = "/crypto/pbkdf/rfc6070/sha1/iter4096a",
206 .hash = QCRYPTO_HASH_ALGO_SHA1,
207 .iterations = 4096,
208 .key = "passwordPASSWORDpassword",
209 .nkey = 24,
210 .salt = "saltSALTsaltSALTsaltSALTsaltSALTsalt",
211 .nsalt = 36,
212 .out = "\x3d\x2e\xec\x4f\xe4\x1c\x84\x9b\x80\xc8"
213 "\xd8\x36\x62\xc0\xe4\x4a\x8b\x29\x1a\x96"
214 "\x4c\xf2\xf0\x70\x38",
215 .nout = 25
216 },
217 {
218 .path = "/crypto/pbkdf/rfc6070/sha1/iter4096b",
219 .hash = QCRYPTO_HASH_ALGO_SHA1,
220 .iterations = 4096,
221 .key = "pass\0word",
222 .nkey = 9,
223 .salt = "sa\0lt",
224 .nsalt = 5,
225 .out = "\x56\xfa\x6a\xa7\x55\x48\x09\x9d\xcc\x37"
226 "\xd7\xf0\x34\x25\xe0\xc3",
227 .nout = 16
228 },
229
230 /* non-RFC misc test data */
231 {
232 /* empty password test. */
233 .path = "/crypto/pbkdf/nonrfc/sha1/iter2",
234 .hash = QCRYPTO_HASH_ALGO_SHA1,
235 .iterations = 2,
236 .key = "",
237 .nkey = 0,
238 .salt = "salt",
239 .nsalt = 4,
240 .out = "\x13\x3a\x4c\xe8\x37\xb4\xd2\x52\x1e\xe2"
241 "\xbf\x03\xe1\x1c\x71\xca\x79\x4e\x07\x97",
242 .nout = 20
243 },
244 {
245 /* Password exceeds block size test */
246 .path = "/crypto/pbkdf/nonrfc/sha256/iter1200",
247 .hash = QCRYPTO_HASH_ALGO_SHA256,
248 .iterations = 1200,
249 .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
250 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
251 .nkey = 65,
252 .salt = "pass phrase exceeds block size",
253 .nsalt = 30,
254 .out = "\x22\x34\x4b\xc4\xb6\xe3\x26\x75"
255 "\xa8\x09\x0f\x3e\xa8\x0b\xe0\x1d"
256 "\x5f\x95\x12\x6a\x2c\xdd\xc3\xfa"
257 "\xcc\x4a\x5e\x6d\xca\x04\xec\x58",
258 .nout = 32
259 },
260 {
261 .path = "/crypto/pbkdf/nonrfc/sha512/iter1200",
262 .hash = QCRYPTO_HASH_ALGO_SHA512,
263 .iterations = 1200,
264 .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
265 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
266 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
267 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
268 .nkey = 129,
269 .salt = "pass phrase exceeds block size",
270 .nsalt = 30,
271 .out = "\x0f\xb2\xed\x2c\x0e\x6e\xfb\x7d"
272 "\x7d\x8e\xdd\x58\x01\xb4\x59\x72"
273 "\x99\x92\x16\x30\x5e\xa4\x36\x8d"
274 "\x76\x14\x80\xf3\xe3\x7a\x22\xb9",
275 .nout = 32
276 },
277 {
278 .path = "/crypto/pbkdf/nonrfc/sha224/iter1200",
279 .hash = QCRYPTO_HASH_ALGO_SHA224,
280 .iterations = 1200,
281 .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
282 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
283 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
284 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
285 .nkey = 129,
286 .salt = "pass phrase exceeds block size",
287 .nsalt = 30,
288 .out = "\x13\x3b\x88\x0c\x0e\x52\xa2\x41"
289 "\x49\x33\x35\xa6\xc3\x83\xae\x23"
290 "\xf6\x77\x43\x9e\x5b\x30\x92\x3e"
291 "\x4a\x3a\xaa\x24\x69\x3c\xed\x20",
292 .nout = 32
293 },
294 {
295 .path = "/crypto/pbkdf/nonrfc/sha384/iter1200",
296 .hash = QCRYPTO_HASH_ALGO_SHA384,
297 .iterations = 1200,
298 .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
299 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
300 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
301 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
302 .nkey = 129,
303 .salt = "pass phrase exceeds block size",
304 .nsalt = 30,
305 .out = "\xfe\xe3\xe1\x84\xc9\x25\x3e\x10"
306 "\x47\xc8\x7d\x53\xc6\xa5\xe3\x77"
307 "\x29\x41\x76\xbd\x4b\xe3\x9b\xac"
308 "\x05\x6c\x11\xdd\x17\xc5\x93\x80",
309 .nout = 32
310 },
311 {
312 .path = "/crypto/pbkdf/nonrfc/ripemd160/iter1200",
313 .hash = QCRYPTO_HASH_ALGO_RIPEMD160,
314 .iterations = 1200,
315 .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
316 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
317 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
318 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
319 .nkey = 129,
320 .salt = "pass phrase exceeds block size",
321 .nsalt = 30,
322 .out = "\xd6\xcb\xd8\xa7\xdb\x0c\xa2\x2a"
323 "\x23\x5e\x47\xaf\xdb\xda\xa8\xef"
324 "\xe4\x01\x0d\x6f\xb5\x33\xc8\xbd"
325 "\xce\xbf\x91\x14\x8b\x5c\x48\x41",
326 .nout = 32
327 },
328 #ifdef CONFIG_CRYPTO_SM3
329 {
330 .path = "/crypto/pbkdf/nonrfc/sm3/iter2",
331 .hash = QCRYPTO_HASH_ALGO_SM3,
332 .iterations = 2,
333 .key = "password",
334 .nkey = 8,
335 .salt = "ATHENA.MIT.EDUraeburn",
336 .nsalt = 21,
337 .out = "\x48\x71\x1b\x58\xa3\xcb\xce\x06"
338 "\xba\xad\x77\xa8\xb5\xb9\xd8\x07"
339 "\x6a\xe2\xb3\x5b\x95\xce\xc8\xce"
340 "\xe7\xb1\xcb\xee\x61\xdf\x04\xea",
341 .nout = 32
342 },
343 #endif
344 #if 0
345 {
346 .path = "/crypto/pbkdf/nonrfc/whirlpool/iter1200",
347 .hash = QCRYPTO_HASH_ALGO_WHIRLPOOL,
348 .iterations = 1200,
349 .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
350 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
351 .nkey = 65,
352 .salt = "pass phrase exceeds block size",
353 .nsalt = 30,
354 .out = "\x9c\x1c\x74\xf5\x88\x26\xe7\x6a"
355 "\x53\x58\xf4\x0c\x39\xe7\x80\x89"
356 "\x07\xc0\x31\x19\x9a\x50\xa2\x48"
357 "\xf1\xd9\xfe\x78\x64\xe5\x84\x50",
358 .nout = 32
359 }
360 #endif
361 };
362
363
hex(int i)364 static inline char hex(int i)
365 {
366 if (i < 10) {
367 return '0' + i;
368 }
369 return 'a' + (i - 10);
370 }
371
hex_string(const uint8_t * bytes,size_t len)372 static char *hex_string(const uint8_t *bytes,
373 size_t len)
374 {
375 char *hexstr = g_new0(char, len * 2 + 1);
376 size_t i;
377
378 for (i = 0; i < len; i++) {
379 hexstr[i * 2] = hex((bytes[i] >> 4) & 0xf);
380 hexstr[i * 2 + 1] = hex(bytes[i] & 0xf);
381 }
382 hexstr[len * 2] = '\0';
383
384 return hexstr;
385 }
386
test_pbkdf(const void * opaque)387 static void test_pbkdf(const void *opaque)
388 {
389 const QCryptoPbkdfTestData *data = opaque;
390 size_t nout = data->nout;
391 uint8_t *out = g_new0(uint8_t, nout);
392 gchar *expect, *actual;
393
394 qcrypto_pbkdf2(data->hash,
395 (uint8_t *)data->key, data->nkey,
396 (uint8_t *)data->salt, data->nsalt,
397 data->iterations,
398 (uint8_t *)out, nout,
399 &error_abort);
400
401 expect = hex_string((const uint8_t *)data->out, data->nout);
402 actual = hex_string(out, nout);
403
404 g_assert_cmpstr(actual, ==, expect);
405
406 g_free(actual);
407 g_free(expect);
408 g_free(out);
409 }
410
411
test_pbkdf_timing_sha256(void)412 static void test_pbkdf_timing_sha256(void)
413 {
414 uint8_t key[32];
415 uint8_t salt[32];
416 int iters;
417
418 memset(key, 0x5d, sizeof(key));
419 memset(salt, 0x7c, sizeof(salt));
420
421 iters = qcrypto_pbkdf2_count_iters(QCRYPTO_HASH_ALGO_SHA256,
422 key, sizeof(key),
423 salt, sizeof(salt),
424 32,
425 &error_abort);
426
427 g_assert(iters >= (1 << 15));
428 }
429
430
main(int argc,char ** argv)431 int main(int argc, char **argv)
432 {
433 size_t i;
434
435 g_test_init(&argc, &argv, NULL);
436
437 g_assert(qcrypto_init(NULL) == 0);
438
439 for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
440 if (!qcrypto_pbkdf2_supports(test_data[i].hash)) {
441 continue;
442 }
443
444 if (!test_data[i].slow ||
445 g_test_slow()) {
446 g_test_add_data_func(test_data[i].path, &test_data[i], test_pbkdf);
447 }
448 }
449
450 if (g_test_slow() && qcrypto_pbkdf2_supports(QCRYPTO_HASH_ALGO_SHA256)) {
451 g_test_add_func("/crypt0/pbkdf/timing/sha256", test_pbkdf_timing_sha256);
452 }
453
454 return g_test_run();
455 }
456 #else
main(int argc,char ** argv)457 int main(int argc, char **argv)
458 {
459 g_test_init(&argc, &argv, NULL);
460 return g_test_run();
461 }
462 #endif
463