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12fb8c3d | 1 | /* |
72a7a702 | 2 | * Copyright 2011-2019 The OpenSSL Project Authors. All Rights Reserved. |
12fb8c3d RS |
3 | * |
4 | * Licensed under the OpenSSL license (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #include <string.h> | |
176db6dc | 11 | #include "internal/nelem.h" |
12fb8c3d RS |
12 | #include <openssl/crypto.h> |
13 | #include <openssl/err.h> | |
14 | #include <openssl/rand.h> | |
15 | #include <openssl/obj_mac.h> | |
16 | #include <openssl/evp.h> | |
17 | #include <openssl/aes.h> | |
18 | #include "../crypto/rand/rand_lcl.h" | |
2a70d65b | 19 | #include "../crypto/include/internal/rand_int.h" |
12fb8c3d | 20 | |
440bce8f KR |
21 | #if defined(_WIN32) |
22 | # include <windows.h> | |
23 | #endif | |
24 | ||
12fb8c3d RS |
25 | #include "testutil.h" |
26 | #include "drbgtest.h" | |
27 | ||
28 | typedef struct drbg_selftest_data_st { | |
29 | int post; | |
30 | int nid; | |
31 | unsigned int flags; | |
32 | ||
33 | /* KAT data for no PR */ | |
aa048aef DMSP |
34 | const unsigned char *entropy; |
35 | size_t entropylen; | |
12fb8c3d RS |
36 | const unsigned char *nonce; |
37 | size_t noncelen; | |
38 | const unsigned char *pers; | |
39 | size_t perslen; | |
40 | const unsigned char *adin; | |
41 | size_t adinlen; | |
aa048aef DMSP |
42 | const unsigned char *entropyreseed; |
43 | size_t entropyreseedlen; | |
12fb8c3d RS |
44 | const unsigned char *adinreseed; |
45 | size_t adinreseedlen; | |
46 | const unsigned char *adin2; | |
47 | size_t adin2len; | |
48 | const unsigned char *expected; | |
49 | size_t exlen; | |
50 | const unsigned char *kat2; | |
51 | size_t kat2len; | |
52 | ||
53 | /* KAT data for PR */ | |
aa048aef DMSP |
54 | const unsigned char *entropy_pr; |
55 | size_t entropylen_pr; | |
12fb8c3d RS |
56 | const unsigned char *nonce_pr; |
57 | size_t noncelen_pr; | |
58 | const unsigned char *pers_pr; | |
59 | size_t perslen_pr; | |
60 | const unsigned char *adin_pr; | |
61 | size_t adinlen_pr; | |
aa048aef DMSP |
62 | const unsigned char *entropypr_pr; |
63 | size_t entropyprlen_pr; | |
12fb8c3d RS |
64 | const unsigned char *ading_pr; |
65 | size_t adinglen_pr; | |
aa048aef DMSP |
66 | const unsigned char *entropyg_pr; |
67 | size_t entropyglen_pr; | |
12fb8c3d RS |
68 | const unsigned char *kat_pr; |
69 | size_t katlen_pr; | |
70 | const unsigned char *kat2_pr; | |
71 | size_t kat2len_pr; | |
72 | } DRBG_SELFTEST_DATA; | |
73 | ||
74 | #define make_drbg_test_data(nid, flag, pr, post) {\ | |
75 | post, nid, flag, \ | |
76 | pr##_entropyinput, sizeof(pr##_entropyinput), \ | |
77 | pr##_nonce, sizeof(pr##_nonce), \ | |
78 | pr##_personalizationstring, sizeof(pr##_personalizationstring), \ | |
79 | pr##_additionalinput, sizeof(pr##_additionalinput), \ | |
80 | pr##_entropyinputreseed, sizeof(pr##_entropyinputreseed), \ | |
81 | pr##_additionalinputreseed, sizeof(pr##_additionalinputreseed), \ | |
82 | pr##_additionalinput2, sizeof(pr##_additionalinput2), \ | |
83 | pr##_int_returnedbits, sizeof(pr##_int_returnedbits), \ | |
84 | pr##_returnedbits, sizeof(pr##_returnedbits), \ | |
85 | pr##_pr_entropyinput, sizeof(pr##_pr_entropyinput), \ | |
86 | pr##_pr_nonce, sizeof(pr##_pr_nonce), \ | |
87 | pr##_pr_personalizationstring, sizeof(pr##_pr_personalizationstring), \ | |
88 | pr##_pr_additionalinput, sizeof(pr##_pr_additionalinput), \ | |
89 | pr##_pr_entropyinputpr, sizeof(pr##_pr_entropyinputpr), \ | |
90 | pr##_pr_additionalinput2, sizeof(pr##_pr_additionalinput2), \ | |
91 | pr##_pr_entropyinputpr2, sizeof(pr##_pr_entropyinputpr2), \ | |
92 | pr##_pr_int_returnedbits, sizeof(pr##_pr_int_returnedbits), \ | |
93 | pr##_pr_returnedbits, sizeof(pr##_pr_returnedbits) \ | |
94 | } | |
95 | ||
8164d91d DMSP |
96 | #define make_drbg_test_data_use_df(nid, pr, p) \ |
97 | make_drbg_test_data(nid, 0, pr, p) | |
98 | ||
99 | #define make_drbg_test_data_no_df(nid, pr, p) \ | |
100 | make_drbg_test_data(nid, RAND_DRBG_FLAG_CTR_NO_DF, pr, p) | |
12fb8c3d RS |
101 | |
102 | static DRBG_SELFTEST_DATA drbg_test[] = { | |
8164d91d DMSP |
103 | make_drbg_test_data_no_df (NID_aes_128_ctr, aes_128_no_df, 0), |
104 | make_drbg_test_data_no_df (NID_aes_192_ctr, aes_192_no_df, 0), | |
105 | make_drbg_test_data_no_df (NID_aes_256_ctr, aes_256_no_df, 1), | |
106 | make_drbg_test_data_use_df(NID_aes_128_ctr, aes_128_use_df, 0), | |
107 | make_drbg_test_data_use_df(NID_aes_192_ctr, aes_192_use_df, 0), | |
108 | make_drbg_test_data_use_df(NID_aes_256_ctr, aes_256_use_df, 1), | |
12fb8c3d RS |
109 | }; |
110 | ||
111 | static int app_data_index; | |
112 | ||
113 | /* | |
75e2c877 | 114 | * Test context data, attached as EXDATA to the RAND_DRBG |
12fb8c3d RS |
115 | */ |
116 | typedef struct test_ctx_st { | |
aa048aef DMSP |
117 | const unsigned char *entropy; |
118 | size_t entropylen; | |
119 | int entropycnt; | |
12fb8c3d RS |
120 | const unsigned char *nonce; |
121 | size_t noncelen; | |
122 | int noncecnt; | |
123 | } TEST_CTX; | |
124 | ||
75e2c877 | 125 | static size_t kat_entropy(RAND_DRBG *drbg, unsigned char **pout, |
eb238134 KR |
126 | int entropy, size_t min_len, size_t max_len, |
127 | int prediction_resistance) | |
12fb8c3d | 128 | { |
75e2c877 | 129 | TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index); |
12fb8c3d | 130 | |
aa048aef DMSP |
131 | t->entropycnt++; |
132 | *pout = (unsigned char *)t->entropy; | |
133 | return t->entropylen; | |
12fb8c3d RS |
134 | } |
135 | ||
75e2c877 | 136 | static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout, |
12fb8c3d RS |
137 | int entropy, size_t min_len, size_t max_len) |
138 | { | |
75e2c877 | 139 | TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index); |
12fb8c3d RS |
140 | |
141 | t->noncecnt++; | |
142 | *pout = (unsigned char *)t->nonce; | |
143 | return t->noncelen; | |
144 | } | |
145 | ||
75e2c877 | 146 | static int uninstantiate(RAND_DRBG *drbg) |
12fb8c3d | 147 | { |
75e2c877 | 148 | int ret = drbg == NULL ? 1 : RAND_DRBG_uninstantiate(drbg); |
12fb8c3d RS |
149 | |
150 | ERR_clear_error(); | |
151 | return ret; | |
152 | } | |
153 | ||
154 | /* | |
155 | * Do a single KAT test. Return 0 on failure. | |
156 | */ | |
157 | static int single_kat(DRBG_SELFTEST_DATA *td) | |
158 | { | |
75e2c877 | 159 | RAND_DRBG *drbg = NULL; |
12fb8c3d RS |
160 | TEST_CTX t; |
161 | int failures = 0; | |
162 | unsigned char buff[1024]; | |
163 | ||
164 | /* | |
165 | * Test without PR: Instantiate DRBG with test entropy, nonce and | |
166 | * personalisation string. | |
167 | */ | |
75e2c877 | 168 | if (!TEST_ptr(drbg = RAND_DRBG_new(td->nid, td->flags, NULL))) |
12fb8c3d | 169 | return 0; |
75e2c877 | 170 | if (!TEST_true(RAND_DRBG_set_callbacks(drbg, kat_entropy, NULL, |
12fb8c3d RS |
171 | kat_nonce, NULL))) { |
172 | failures++; | |
173 | goto err; | |
174 | } | |
175 | memset(&t, 0, sizeof(t)); | |
aa048aef DMSP |
176 | t.entropy = td->entropy; |
177 | t.entropylen = td->entropylen; | |
12fb8c3d RS |
178 | t.nonce = td->nonce; |
179 | t.noncelen = td->noncelen; | |
75e2c877 | 180 | RAND_DRBG_set_ex_data(drbg, app_data_index, &t); |
12fb8c3d | 181 | |
75e2c877 RS |
182 | if (!TEST_true(RAND_DRBG_instantiate(drbg, td->pers, td->perslen)) |
183 | || !TEST_true(RAND_DRBG_generate(drbg, buff, td->exlen, 0, | |
12fb8c3d RS |
184 | td->adin, td->adinlen)) |
185 | || !TEST_mem_eq(td->expected, td->exlen, buff, td->exlen)) | |
186 | failures++; | |
187 | ||
188 | /* Reseed DRBG with test entropy and additional input */ | |
aa048aef DMSP |
189 | t.entropy = td->entropyreseed; |
190 | t.entropylen = td->entropyreseedlen; | |
eb238134 | 191 | if (!TEST_true(RAND_DRBG_reseed(drbg, td->adinreseed, td->adinreseedlen, 0) |
75e2c877 | 192 | || !TEST_true(RAND_DRBG_generate(drbg, buff, td->kat2len, 0, |
12fb8c3d RS |
193 | td->adin2, td->adin2len)) |
194 | || !TEST_mem_eq(td->kat2, td->kat2len, buff, td->kat2len))) | |
195 | failures++; | |
75e2c877 | 196 | uninstantiate(drbg); |
12fb8c3d RS |
197 | |
198 | /* | |
199 | * Now test with PR: Instantiate DRBG with test entropy, nonce and | |
200 | * personalisation string. | |
201 | */ | |
75e2c877 RS |
202 | if (!TEST_true(RAND_DRBG_set(drbg, td->nid, td->flags)) |
203 | || !TEST_true(RAND_DRBG_set_callbacks(drbg, kat_entropy, NULL, | |
12fb8c3d RS |
204 | kat_nonce, NULL))) |
205 | failures++; | |
75e2c877 | 206 | RAND_DRBG_set_ex_data(drbg, app_data_index, &t); |
aa048aef DMSP |
207 | t.entropy = td->entropy_pr; |
208 | t.entropylen = td->entropylen_pr; | |
12fb8c3d RS |
209 | t.nonce = td->nonce_pr; |
210 | t.noncelen = td->noncelen_pr; | |
aa048aef | 211 | t.entropycnt = 0; |
12fb8c3d | 212 | t.noncecnt = 0; |
75e2c877 | 213 | if (!TEST_true(RAND_DRBG_instantiate(drbg, td->pers_pr, td->perslen_pr))) |
12fb8c3d RS |
214 | failures++; |
215 | ||
216 | /* | |
217 | * Now generate with PR: we need to supply entropy as this will | |
218 | * perform a reseed operation. | |
219 | */ | |
aa048aef DMSP |
220 | t.entropy = td->entropypr_pr; |
221 | t.entropylen = td->entropyprlen_pr; | |
75e2c877 | 222 | if (!TEST_true(RAND_DRBG_generate(drbg, buff, td->katlen_pr, 1, |
12fb8c3d RS |
223 | td->adin_pr, td->adinlen_pr)) |
224 | || !TEST_mem_eq(td->kat_pr, td->katlen_pr, buff, td->katlen_pr)) | |
225 | failures++; | |
226 | ||
227 | /* | |
228 | * Now generate again with PR: supply new entropy again. | |
229 | */ | |
aa048aef DMSP |
230 | t.entropy = td->entropyg_pr; |
231 | t.entropylen = td->entropyglen_pr; | |
12fb8c3d | 232 | |
75e2c877 | 233 | if (!TEST_true(RAND_DRBG_generate(drbg, buff, td->kat2len_pr, 1, |
12fb8c3d RS |
234 | td->ading_pr, td->adinglen_pr)) |
235 | || !TEST_mem_eq(td->kat2_pr, td->kat2len_pr, | |
236 | buff, td->kat2len_pr)) | |
237 | failures++; | |
238 | ||
239 | err: | |
75e2c877 RS |
240 | uninstantiate(drbg); |
241 | RAND_DRBG_free(drbg); | |
12fb8c3d RS |
242 | return failures == 0; |
243 | } | |
244 | ||
245 | /* | |
246 | * Initialise a DRBG based on selftest data | |
247 | */ | |
75e2c877 | 248 | static int init(RAND_DRBG *drbg, DRBG_SELFTEST_DATA *td, TEST_CTX *t) |
12fb8c3d | 249 | { |
75e2c877 RS |
250 | if (!TEST_true(RAND_DRBG_set(drbg, td->nid, td->flags)) |
251 | || !TEST_true(RAND_DRBG_set_callbacks(drbg, kat_entropy, NULL, | |
12fb8c3d RS |
252 | kat_nonce, NULL))) |
253 | return 0; | |
75e2c877 | 254 | RAND_DRBG_set_ex_data(drbg, app_data_index, t); |
aa048aef DMSP |
255 | t->entropy = td->entropy; |
256 | t->entropylen = td->entropylen; | |
12fb8c3d RS |
257 | t->nonce = td->nonce; |
258 | t->noncelen = td->noncelen; | |
aa048aef | 259 | t->entropycnt = 0; |
12fb8c3d RS |
260 | t->noncecnt = 0; |
261 | return 1; | |
262 | } | |
263 | ||
264 | /* | |
265 | * Initialise and instantiate DRBG based on selftest data | |
266 | */ | |
75e2c877 | 267 | static int instantiate(RAND_DRBG *drbg, DRBG_SELFTEST_DATA *td, |
12fb8c3d RS |
268 | TEST_CTX *t) |
269 | { | |
75e2c877 RS |
270 | if (!TEST_true(init(drbg, td, t)) |
271 | || !TEST_true(RAND_DRBG_instantiate(drbg, td->pers, td->perslen))) | |
12fb8c3d RS |
272 | return 0; |
273 | return 1; | |
274 | } | |
275 | ||
276 | /* | |
277 | * Perform extensive error checking as required by SP800-90. | |
278 | * Induce several failure modes and check an error condition is set. | |
279 | */ | |
280 | static int error_check(DRBG_SELFTEST_DATA *td) | |
281 | { | |
75e2c877 RS |
282 | static char zero[sizeof(RAND_DRBG)]; |
283 | RAND_DRBG *drbg = NULL; | |
12fb8c3d RS |
284 | TEST_CTX t; |
285 | unsigned char buff[1024]; | |
35a34508 | 286 | unsigned int reseed_counter_tmp; |
12fb8c3d RS |
287 | int ret = 0; |
288 | ||
75e2c877 | 289 | if (!TEST_ptr(drbg = RAND_DRBG_new(0, 0, NULL))) |
12fb8c3d RS |
290 | goto err; |
291 | ||
292 | /* | |
293 | * Personalisation string tests | |
294 | */ | |
295 | ||
296 | /* Test detection of too large personlisation string */ | |
75e2c877 | 297 | if (!init(drbg, td, &t) |
aa048aef | 298 | || RAND_DRBG_instantiate(drbg, td->pers, drbg->max_perslen + 1) > 0) |
12fb8c3d RS |
299 | goto err; |
300 | ||
301 | /* | |
302 | * Entropy source tests | |
303 | */ | |
304 | ||
35a34508 | 305 | /* Test entropy source failure detection: i.e. returns no data */ |
aa048aef | 306 | t.entropylen = 0; |
75e2c877 | 307 | if (TEST_int_le(RAND_DRBG_instantiate(drbg, td->pers, td->perslen), 0)) |
12fb8c3d RS |
308 | goto err; |
309 | ||
310 | /* Try to generate output from uninstantiated DRBG */ | |
75e2c877 | 311 | if (!TEST_false(RAND_DRBG_generate(drbg, buff, td->exlen, 0, |
12fb8c3d | 312 | td->adin, td->adinlen)) |
75e2c877 | 313 | || !uninstantiate(drbg)) |
12fb8c3d RS |
314 | goto err; |
315 | ||
316 | /* Test insufficient entropy */ | |
aa048aef | 317 | t.entropylen = drbg->min_entropylen - 1; |
75e2c877 RS |
318 | if (!init(drbg, td, &t) |
319 | || RAND_DRBG_instantiate(drbg, td->pers, td->perslen) > 0 | |
320 | || !uninstantiate(drbg)) | |
12fb8c3d RS |
321 | goto err; |
322 | ||
323 | /* Test too much entropy */ | |
aa048aef | 324 | t.entropylen = drbg->max_entropylen + 1; |
75e2c877 RS |
325 | if (!init(drbg, td, &t) |
326 | || RAND_DRBG_instantiate(drbg, td->pers, td->perslen) > 0 | |
327 | || !uninstantiate(drbg)) | |
12fb8c3d RS |
328 | goto err; |
329 | ||
330 | /* | |
331 | * Nonce tests | |
332 | */ | |
333 | ||
334 | /* Test too small nonce */ | |
aa048aef DMSP |
335 | if (drbg->min_noncelen) { |
336 | t.noncelen = drbg->min_noncelen - 1; | |
75e2c877 RS |
337 | if (!init(drbg, td, &t) |
338 | || RAND_DRBG_instantiate(drbg, td->pers, td->perslen) > 0 | |
339 | || !uninstantiate(drbg)) | |
12fb8c3d RS |
340 | goto err; |
341 | } | |
342 | ||
343 | /* Test too large nonce */ | |
aa048aef DMSP |
344 | if (drbg->max_noncelen) { |
345 | t.noncelen = drbg->max_noncelen + 1; | |
75e2c877 RS |
346 | if (!init(drbg, td, &t) |
347 | || RAND_DRBG_instantiate(drbg, td->pers, td->perslen) > 0 | |
348 | || !uninstantiate(drbg)) | |
12fb8c3d RS |
349 | goto err; |
350 | } | |
351 | ||
352 | /* Instantiate with valid data, Check generation is now OK */ | |
75e2c877 RS |
353 | if (!instantiate(drbg, td, &t) |
354 | || !TEST_true(RAND_DRBG_generate(drbg, buff, td->exlen, 0, | |
12fb8c3d RS |
355 | td->adin, td->adinlen))) |
356 | goto err; | |
357 | ||
358 | /* Request too much data for one request */ | |
75e2c877 | 359 | if (!TEST_false(RAND_DRBG_generate(drbg, buff, drbg->max_request + 1, 0, |
12fb8c3d RS |
360 | td->adin, td->adinlen))) |
361 | goto err; | |
362 | ||
363 | /* Try too large additional input */ | |
75e2c877 | 364 | if (!TEST_false(RAND_DRBG_generate(drbg, buff, td->exlen, 0, |
aa048aef | 365 | td->adin, drbg->max_adinlen + 1))) |
12fb8c3d RS |
366 | goto err; |
367 | ||
368 | /* | |
369 | * Check prediction resistance request fails if entropy source | |
370 | * failure. | |
371 | */ | |
aa048aef | 372 | t.entropylen = 0; |
75e2c877 | 373 | if (TEST_false(RAND_DRBG_generate(drbg, buff, td->exlen, 1, |
12fb8c3d | 374 | td->adin, td->adinlen)) |
75e2c877 | 375 | || !uninstantiate(drbg)) |
12fb8c3d RS |
376 | goto err; |
377 | ||
4468b6ed | 378 | /* Instantiate again with valid data */ |
75e2c877 | 379 | if (!instantiate(drbg, td, &t)) |
12fb8c3d | 380 | goto err; |
35a34508 DMSP |
381 | reseed_counter_tmp = drbg->reseed_gen_counter; |
382 | drbg->reseed_gen_counter = drbg->reseed_interval; | |
12fb8c3d RS |
383 | |
384 | /* Generate output and check entropy has been requested for reseed */ | |
aa048aef | 385 | t.entropycnt = 0; |
75e2c877 | 386 | if (!TEST_true(RAND_DRBG_generate(drbg, buff, td->exlen, 0, |
12fb8c3d | 387 | td->adin, td->adinlen)) |
aa048aef | 388 | || !TEST_int_eq(t.entropycnt, 1) |
35a34508 | 389 | || !TEST_int_eq(drbg->reseed_gen_counter, reseed_counter_tmp + 1) |
75e2c877 | 390 | || !uninstantiate(drbg)) |
12fb8c3d RS |
391 | goto err; |
392 | ||
393 | /* | |
394 | * Check prediction resistance request fails if entropy source | |
395 | * failure. | |
396 | */ | |
aa048aef | 397 | t.entropylen = 0; |
75e2c877 | 398 | if (!TEST_false(RAND_DRBG_generate(drbg, buff, td->exlen, 1, |
12fb8c3d | 399 | td->adin, td->adinlen)) |
75e2c877 | 400 | || !uninstantiate(drbg)) |
12fb8c3d RS |
401 | goto err; |
402 | ||
403 | /* Test reseed counter works */ | |
75e2c877 | 404 | if (!instantiate(drbg, td, &t)) |
12fb8c3d | 405 | goto err; |
35a34508 DMSP |
406 | reseed_counter_tmp = drbg->reseed_gen_counter; |
407 | drbg->reseed_gen_counter = drbg->reseed_interval; | |
12fb8c3d RS |
408 | |
409 | /* Generate output and check entropy has been requested for reseed */ | |
aa048aef | 410 | t.entropycnt = 0; |
75e2c877 | 411 | if (!TEST_true(RAND_DRBG_generate(drbg, buff, td->exlen, 0, |
12fb8c3d | 412 | td->adin, td->adinlen)) |
aa048aef | 413 | || !TEST_int_eq(t.entropycnt, 1) |
35a34508 | 414 | || !TEST_int_eq(drbg->reseed_gen_counter, reseed_counter_tmp + 1) |
75e2c877 | 415 | || !uninstantiate(drbg)) |
12fb8c3d RS |
416 | goto err; |
417 | ||
418 | /* | |
419 | * Explicit reseed tests | |
420 | */ | |
421 | ||
422 | /* Test explicit reseed with too large additional input */ | |
ee774d5d | 423 | if (!instantiate(drbg, td, &t) |
eb238134 | 424 | || RAND_DRBG_reseed(drbg, td->adin, drbg->max_adinlen + 1, 0) > 0) |
12fb8c3d RS |
425 | goto err; |
426 | ||
427 | /* Test explicit reseed with entropy source failure */ | |
aa048aef | 428 | t.entropylen = 0; |
eb238134 | 429 | if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen, 0), 0) |
75e2c877 | 430 | || !uninstantiate(drbg)) |
12fb8c3d RS |
431 | goto err; |
432 | ||
433 | /* Test explicit reseed with too much entropy */ | |
ee774d5d | 434 | if (!instantiate(drbg, td, &t)) |
12fb8c3d | 435 | goto err; |
aa048aef | 436 | t.entropylen = drbg->max_entropylen + 1; |
eb238134 | 437 | if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen, 0), 0) |
75e2c877 | 438 | || !uninstantiate(drbg)) |
12fb8c3d RS |
439 | goto err; |
440 | ||
441 | /* Test explicit reseed with too little entropy */ | |
ee774d5d | 442 | if (!instantiate(drbg, td, &t)) |
12fb8c3d | 443 | goto err; |
aa048aef | 444 | t.entropylen = drbg->min_entropylen - 1; |
eb238134 | 445 | if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen, 0), 0) |
75e2c877 | 446 | || !uninstantiate(drbg)) |
12fb8c3d RS |
447 | goto err; |
448 | ||
449 | /* Standard says we have to check uninstantiate really zeroes */ | |
8212d505 | 450 | if (!TEST_mem_eq(zero, sizeof(drbg->data), &drbg->data, sizeof(drbg->data))) |
12fb8c3d RS |
451 | goto err; |
452 | ||
453 | ret = 1; | |
454 | ||
455 | err: | |
75e2c877 RS |
456 | uninstantiate(drbg); |
457 | RAND_DRBG_free(drbg); | |
12fb8c3d RS |
458 | return ret; |
459 | } | |
460 | ||
461 | static int test_kats(int i) | |
462 | { | |
463 | DRBG_SELFTEST_DATA *td = &drbg_test[i]; | |
464 | int rv = 0; | |
465 | ||
466 | if (!single_kat(td)) | |
467 | goto err; | |
468 | rv = 1; | |
469 | ||
470 | err: | |
471 | return rv; | |
472 | } | |
473 | ||
474 | static int test_error_checks(int i) | |
475 | { | |
476 | DRBG_SELFTEST_DATA *td = &drbg_test[i]; | |
477 | int rv = 0; | |
478 | ||
479 | if (error_check(td)) | |
480 | goto err; | |
481 | rv = 1; | |
482 | ||
483 | err: | |
484 | return rv; | |
485 | } | |
486 | ||
a93ba405 DMSP |
487 | /* |
488 | * Hook context data, attached as EXDATA to the RAND_DRBG | |
489 | */ | |
490 | typedef struct hook_ctx_st { | |
491 | RAND_DRBG *drbg; | |
492 | /* | |
493 | * Currently, all DRBGs use the same get_entropy() callback. | |
494 | * The tests however, don't assume this and store | |
495 | * the original callback for every DRBG separately. | |
496 | */ | |
497 | RAND_DRBG_get_entropy_fn get_entropy; | |
498 | /* forces a failure of the get_entropy() call if nonzero */ | |
499 | int fail; | |
500 | /* counts successful reseeds */ | |
501 | int reseed_count; | |
502 | } HOOK_CTX; | |
503 | ||
504 | static HOOK_CTX master_ctx, public_ctx, private_ctx; | |
505 | ||
506 | static HOOK_CTX *get_hook_ctx(RAND_DRBG *drbg) | |
507 | { | |
508 | return (HOOK_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index); | |
509 | } | |
510 | ||
511 | /* Intercepts and counts calls to the get_entropy() callback */ | |
512 | static size_t get_entropy_hook(RAND_DRBG *drbg, unsigned char **pout, | |
eb238134 KR |
513 | int entropy, size_t min_len, size_t max_len, |
514 | int prediction_resistance) | |
a93ba405 DMSP |
515 | { |
516 | size_t ret; | |
517 | HOOK_CTX *ctx = get_hook_ctx(drbg); | |
518 | ||
519 | if (ctx->fail != 0) | |
520 | return 0; | |
521 | ||
eb238134 KR |
522 | ret = ctx->get_entropy(drbg, pout, entropy, min_len, max_len, |
523 | prediction_resistance); | |
a93ba405 DMSP |
524 | |
525 | if (ret != 0) | |
526 | ctx->reseed_count++; | |
527 | return ret; | |
528 | } | |
529 | ||
530 | /* Installs a hook for the get_entropy() callback of the given drbg */ | |
531 | static void hook_drbg(RAND_DRBG *drbg, HOOK_CTX *ctx) | |
532 | { | |
533 | memset(ctx, 0, sizeof(*ctx)); | |
534 | ctx->drbg = drbg; | |
535 | ctx->get_entropy = drbg->get_entropy; | |
536 | drbg->get_entropy = get_entropy_hook; | |
537 | RAND_DRBG_set_ex_data(drbg, app_data_index, ctx); | |
538 | } | |
539 | ||
540 | /* Installs the hook for the get_entropy() callback of the given drbg */ | |
541 | static void unhook_drbg(RAND_DRBG *drbg) | |
542 | { | |
543 | HOOK_CTX *ctx = get_hook_ctx(drbg); | |
544 | ||
545 | drbg->get_entropy = ctx->get_entropy; | |
546 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DRBG, drbg, &drbg->ex_data); | |
547 | } | |
75e2c877 | 548 | |
a93ba405 DMSP |
549 | /* Resets the given hook context */ |
550 | static void reset_hook_ctx(HOOK_CTX *ctx) | |
75e2c877 | 551 | { |
a93ba405 DMSP |
552 | ctx->fail = 0; |
553 | ctx->reseed_count = 0; | |
554 | } | |
555 | ||
556 | /* Resets all drbg hook contexts */ | |
3cb7c5cf | 557 | static void reset_drbg_hook_ctx(void) |
a93ba405 DMSP |
558 | { |
559 | reset_hook_ctx(&master_ctx); | |
560 | reset_hook_ctx(&public_ctx); | |
561 | reset_hook_ctx(&private_ctx); | |
562 | } | |
563 | ||
564 | /* | |
565 | * Generates random output using RAND_bytes() and RAND_priv_bytes() | |
566 | * and checks whether the three shared DRBGs were reseeded as | |
567 | * expected. | |
568 | * | |
569 | * |expect_success|: expected outcome (as reported by RAND_status()) | |
570 | * |master|, |public|, |private|: pointers to the three shared DRBGs | |
571 | * |expect_xxx_reseed| = | |
572 | * 1: it is expected that the specified DRBG is reseeded | |
573 | * 0: it is expected that the specified DRBG is not reseeded | |
574 | * -1: don't check whether the specified DRBG was reseeded or not | |
7b7fdf8a BE |
575 | * |reseed_time|: if nonzero, used instead of time(NULL) to set the |
576 | * |before_reseed| time. | |
a93ba405 DMSP |
577 | */ |
578 | static int test_drbg_reseed(int expect_success, | |
579 | RAND_DRBG *master, | |
580 | RAND_DRBG *public, | |
581 | RAND_DRBG *private, | |
582 | int expect_master_reseed, | |
583 | int expect_public_reseed, | |
7b7fdf8a BE |
584 | int expect_private_reseed, |
585 | time_t reseed_time | |
a93ba405 DMSP |
586 | ) |
587 | { | |
588 | unsigned char buf[32]; | |
08a65d96 | 589 | time_t before_reseed, after_reseed; |
a93ba405 DMSP |
590 | int expected_state = (expect_success ? DRBG_READY : DRBG_ERROR); |
591 | ||
592 | /* | |
593 | * step 1: check preconditions | |
594 | */ | |
595 | ||
596 | /* Test whether seed propagation is enabled */ | |
35a34508 DMSP |
597 | if (!TEST_int_ne(master->reseed_prop_counter, 0) |
598 | || !TEST_int_ne(public->reseed_prop_counter, 0) | |
599 | || !TEST_int_ne(private->reseed_prop_counter, 0)) | |
a93ba405 DMSP |
600 | return 0; |
601 | ||
602 | /* Check whether the master DRBG's reseed counter is the largest one */ | |
35a34508 DMSP |
603 | if (!TEST_int_le(public->reseed_prop_counter, master->reseed_prop_counter) |
604 | || !TEST_int_le(private->reseed_prop_counter, master->reseed_prop_counter)) | |
a93ba405 DMSP |
605 | return 0; |
606 | ||
607 | /* | |
608 | * step 2: generate random output | |
609 | */ | |
610 | ||
7b7fdf8a BE |
611 | if (reseed_time == 0) |
612 | reseed_time = time(NULL); | |
613 | ||
a93ba405 | 614 | /* Generate random output from the public and private DRBG */ |
7b7fdf8a | 615 | before_reseed = expect_master_reseed == 1 ? reseed_time : 0; |
a93ba405 DMSP |
616 | if (!TEST_int_eq(RAND_bytes(buf, sizeof(buf)), expect_success) |
617 | || !TEST_int_eq(RAND_priv_bytes(buf, sizeof(buf)), expect_success)) | |
618 | return 0; | |
08a65d96 | 619 | after_reseed = time(NULL); |
a93ba405 DMSP |
620 | |
621 | ||
622 | /* | |
623 | * step 3: check postconditions | |
624 | */ | |
75e2c877 | 625 | |
a93ba405 DMSP |
626 | /* Test whether reseeding succeeded as expected */ |
627 | if (!TEST_int_eq(master->state, expected_state) | |
628 | || !TEST_int_eq(public->state, expected_state) | |
629 | || !TEST_int_eq(private->state, expected_state)) | |
75e2c877 | 630 | return 0; |
a93ba405 DMSP |
631 | |
632 | if (expect_master_reseed >= 0) { | |
633 | /* Test whether master DRBG was reseeded as expected */ | |
634 | if (!TEST_int_eq(master_ctx.reseed_count, expect_master_reseed)) | |
635 | return 0; | |
636 | } | |
637 | ||
638 | if (expect_public_reseed >= 0) { | |
639 | /* Test whether public DRBG was reseeded as expected */ | |
640 | if (!TEST_int_eq(public_ctx.reseed_count, expect_public_reseed)) | |
641 | return 0; | |
642 | } | |
643 | ||
644 | if (expect_private_reseed >= 0) { | |
645 | /* Test whether public DRBG was reseeded as expected */ | |
646 | if (!TEST_int_eq(private_ctx.reseed_count, expect_private_reseed)) | |
647 | return 0; | |
648 | } | |
649 | ||
650 | if (expect_success == 1) { | |
651 | /* Test whether all three reseed counters are synchronized */ | |
35a34508 DMSP |
652 | if (!TEST_int_eq(public->reseed_prop_counter, master->reseed_prop_counter) |
653 | || !TEST_int_eq(private->reseed_prop_counter, master->reseed_prop_counter)) | |
a93ba405 | 654 | return 0; |
08a65d96 DMSP |
655 | |
656 | /* Test whether reseed time of master DRBG is set correctly */ | |
657 | if (!TEST_time_t_le(before_reseed, master->reseed_time) | |
658 | || !TEST_time_t_le(master->reseed_time, after_reseed)) | |
659 | return 0; | |
660 | ||
661 | /* Test whether reseed times of child DRBGs are synchronized with master */ | |
662 | if (!TEST_time_t_ge(public->reseed_time, master->reseed_time) | |
663 | || !TEST_time_t_ge(private->reseed_time, master->reseed_time)) | |
664 | return 0; | |
a93ba405 DMSP |
665 | } else { |
666 | ERR_clear_error(); | |
667 | } | |
668 | ||
75e2c877 RS |
669 | return 1; |
670 | } | |
671 | ||
a93ba405 DMSP |
672 | /* |
673 | * Test whether the default rand_method (RAND_OpenSSL()) is | |
674 | * setup correctly, in particular whether reseeding works | |
675 | * as designed. | |
676 | */ | |
d597a9a8 | 677 | static int test_rand_drbg_reseed(void) |
a93ba405 DMSP |
678 | { |
679 | RAND_DRBG *master, *public, *private; | |
680 | unsigned char rand_add_buf[256]; | |
681 | int rv=0; | |
7b7fdf8a | 682 | time_t before_reseed; |
a93ba405 DMSP |
683 | |
684 | /* Check whether RAND_OpenSSL() is the default method */ | |
685 | if (!TEST_ptr_eq(RAND_get_rand_method(), RAND_OpenSSL())) | |
686 | return 0; | |
687 | ||
688 | /* All three DRBGs should be non-null */ | |
689 | if (!TEST_ptr(master = RAND_DRBG_get0_master()) | |
690 | || !TEST_ptr(public = RAND_DRBG_get0_public()) | |
691 | || !TEST_ptr(private = RAND_DRBG_get0_private())) | |
692 | return 0; | |
693 | ||
694 | /* There should be three distinct DRBGs, two of them chained to master */ | |
695 | if (!TEST_ptr_ne(public, private) | |
696 | || !TEST_ptr_ne(public, master) | |
697 | || !TEST_ptr_ne(private, master) | |
698 | || !TEST_ptr_eq(public->parent, master) | |
699 | || !TEST_ptr_eq(private->parent, master)) | |
700 | return 0; | |
701 | ||
59f124f9 DMSP |
702 | /* uninstantiate the three global DRBGs */ |
703 | RAND_DRBG_uninstantiate(private); | |
704 | RAND_DRBG_uninstantiate(public); | |
705 | RAND_DRBG_uninstantiate(master); | |
706 | ||
707 | ||
a93ba405 DMSP |
708 | /* Install hooks for the following tests */ |
709 | hook_drbg(master, &master_ctx); | |
710 | hook_drbg(public, &public_ctx); | |
711 | hook_drbg(private, &private_ctx); | |
712 | ||
59f124f9 DMSP |
713 | |
714 | /* | |
715 | * Test initial seeding of shared DRBGs | |
716 | */ | |
7b7fdf8a | 717 | if (!TEST_true(test_drbg_reseed(1, master, public, private, 1, 1, 1, 0))) |
59f124f9 DMSP |
718 | goto error; |
719 | reset_drbg_hook_ctx(); | |
720 | ||
721 | ||
a93ba405 | 722 | /* |
59f124f9 | 723 | * Test initial state of shared DRBGs |
a93ba405 | 724 | */ |
7b7fdf8a | 725 | if (!TEST_true(test_drbg_reseed(1, master, public, private, 0, 0, 0, 0))) |
a93ba405 DMSP |
726 | goto error; |
727 | reset_drbg_hook_ctx(); | |
728 | ||
729 | /* | |
730 | * Test whether the public and private DRBG are both reseeded when their | |
731 | * reseed counters differ from the master's reseed counter. | |
732 | */ | |
35a34508 | 733 | master->reseed_prop_counter++; |
7b7fdf8a | 734 | if (!TEST_true(test_drbg_reseed(1, master, public, private, 0, 1, 1, 0))) |
a93ba405 DMSP |
735 | goto error; |
736 | reset_drbg_hook_ctx(); | |
737 | ||
738 | /* | |
739 | * Test whether the public DRBG is reseeded when its reseed counter differs | |
740 | * from the master's reseed counter. | |
741 | */ | |
35a34508 DMSP |
742 | master->reseed_prop_counter++; |
743 | private->reseed_prop_counter++; | |
7b7fdf8a | 744 | if (!TEST_true(test_drbg_reseed(1, master, public, private, 0, 1, 0, 0))) |
a93ba405 DMSP |
745 | goto error; |
746 | reset_drbg_hook_ctx(); | |
747 | ||
748 | /* | |
749 | * Test whether the private DRBG is reseeded when its reseed counter differs | |
750 | * from the master's reseed counter. | |
751 | */ | |
35a34508 DMSP |
752 | master->reseed_prop_counter++; |
753 | public->reseed_prop_counter++; | |
7b7fdf8a | 754 | if (!TEST_true(test_drbg_reseed(1, master, public, private, 0, 0, 1, 0))) |
a93ba405 DMSP |
755 | goto error; |
756 | reset_drbg_hook_ctx(); | |
757 | ||
758 | ||
759 | /* fill 'randomness' buffer with some arbitrary data */ | |
760 | memset(rand_add_buf, 'r', sizeof(rand_add_buf)); | |
761 | ||
762 | /* | |
7b7fdf8a BE |
763 | * Test whether all three DRBGs are reseeded by RAND_add(). |
764 | * The before_reseed time has to be measured here and passed into the | |
765 | * test_drbg_reseed() test, because the master DRBG gets already reseeded | |
766 | * in RAND_add(), whence the check for the condition | |
767 | * before_reseed <= master->reseed_time will fail if the time value happens | |
768 | * to increase between the RAND_add() and the test_drbg_reseed() call. | |
a93ba405 | 769 | */ |
7b7fdf8a | 770 | before_reseed = time(NULL); |
a93ba405 | 771 | RAND_add(rand_add_buf, sizeof(rand_add_buf), sizeof(rand_add_buf)); |
7b7fdf8a BE |
772 | if (!TEST_true(test_drbg_reseed(1, master, public, private, 1, 1, 1, |
773 | before_reseed))) | |
a93ba405 DMSP |
774 | goto error; |
775 | reset_drbg_hook_ctx(); | |
776 | ||
777 | ||
778 | /* | |
779 | * Test whether none of the DRBGs is reseed if the master fails to reseed | |
780 | */ | |
781 | master_ctx.fail = 1; | |
35a34508 | 782 | master->reseed_prop_counter++; |
a93ba405 | 783 | RAND_add(rand_add_buf, sizeof(rand_add_buf), sizeof(rand_add_buf)); |
7b7fdf8a | 784 | if (!TEST_true(test_drbg_reseed(0, master, public, private, 0, 0, 0, 0))) |
a93ba405 DMSP |
785 | goto error; |
786 | reset_drbg_hook_ctx(); | |
787 | ||
788 | rv = 1; | |
789 | ||
790 | error: | |
791 | /* Remove hooks */ | |
792 | unhook_drbg(master); | |
793 | unhook_drbg(public); | |
794 | unhook_drbg(private); | |
795 | ||
796 | return rv; | |
797 | } | |
798 | ||
440bce8f | 799 | #if defined(OPENSSL_THREADS) |
43687d68 DMSP |
800 | static int multi_thread_rand_bytes_succeeded = 1; |
801 | static int multi_thread_rand_priv_bytes_succeeded = 1; | |
440bce8f KR |
802 | |
803 | static void run_multi_thread_test(void) | |
804 | { | |
805 | unsigned char buf[256]; | |
806 | time_t start = time(NULL); | |
fd59e425 | 807 | RAND_DRBG *public = NULL, *private = NULL; |
440bce8f | 808 | |
fd59e425 BE |
809 | if (!TEST_ptr(public = RAND_DRBG_get0_public()) |
810 | || !TEST_ptr(private = RAND_DRBG_get0_private())) { | |
811 | multi_thread_rand_bytes_succeeded = 0; | |
812 | return; | |
813 | } | |
440bce8f | 814 | RAND_DRBG_set_reseed_time_interval(private, 1); |
fd59e425 | 815 | RAND_DRBG_set_reseed_time_interval(public, 1); |
440bce8f KR |
816 | |
817 | do { | |
43687d68 DMSP |
818 | if (RAND_bytes(buf, sizeof(buf)) <= 0) |
819 | multi_thread_rand_bytes_succeeded = 0; | |
820 | if (RAND_priv_bytes(buf, sizeof(buf)) <= 0) | |
821 | multi_thread_rand_priv_bytes_succeeded = 0; | |
440bce8f KR |
822 | } |
823 | while(time(NULL) - start < 5); | |
824 | } | |
825 | ||
826 | # if defined(OPENSSL_SYS_WINDOWS) | |
827 | ||
828 | typedef HANDLE thread_t; | |
829 | ||
830 | static DWORD WINAPI thread_run(LPVOID arg) | |
831 | { | |
832 | run_multi_thread_test(); | |
eaacc247 RL |
833 | /* |
834 | * Because we're linking with a static library, we must stop each | |
835 | * thread explicitly, or so says OPENSSL_thread_stop(3) | |
836 | */ | |
837 | OPENSSL_thread_stop(); | |
440bce8f KR |
838 | return 0; |
839 | } | |
840 | ||
841 | static int run_thread(thread_t *t) | |
842 | { | |
843 | *t = CreateThread(NULL, 0, thread_run, NULL, 0, NULL); | |
844 | return *t != NULL; | |
845 | } | |
846 | ||
847 | static int wait_for_thread(thread_t thread) | |
848 | { | |
849 | return WaitForSingleObject(thread, INFINITE) == 0; | |
850 | } | |
851 | ||
852 | # else | |
853 | ||
854 | typedef pthread_t thread_t; | |
855 | ||
856 | static void *thread_run(void *arg) | |
857 | { | |
858 | run_multi_thread_test(); | |
eaacc247 RL |
859 | /* |
860 | * Because we're linking with a static library, we must stop each | |
861 | * thread explicitly, or so says OPENSSL_thread_stop(3) | |
862 | */ | |
863 | OPENSSL_thread_stop(); | |
440bce8f KR |
864 | return NULL; |
865 | } | |
866 | ||
867 | static int run_thread(thread_t *t) | |
868 | { | |
869 | return pthread_create(t, NULL, thread_run, NULL) == 0; | |
870 | } | |
871 | ||
872 | static int wait_for_thread(thread_t thread) | |
873 | { | |
874 | return pthread_join(thread, NULL) == 0; | |
875 | } | |
876 | ||
877 | # endif | |
878 | ||
879 | /* | |
880 | * The main thread will also run the test, so we'll have THREADS+1 parallel | |
881 | * tests running | |
882 | */ | |
43687d68 | 883 | # define THREADS 3 |
440bce8f KR |
884 | |
885 | static int test_multi_thread(void) | |
886 | { | |
887 | thread_t t[THREADS]; | |
888 | int i; | |
889 | ||
890 | for (i = 0; i < THREADS; i++) | |
891 | run_thread(&t[i]); | |
892 | run_multi_thread_test(); | |
893 | for (i = 0; i < THREADS; i++) | |
894 | wait_for_thread(t[i]); | |
43687d68 DMSP |
895 | |
896 | if (!TEST_true(multi_thread_rand_bytes_succeeded)) | |
897 | return 0; | |
898 | if (!TEST_true(multi_thread_rand_priv_bytes_succeeded)) | |
899 | return 0; | |
900 | ||
440bce8f KR |
901 | return 1; |
902 | } | |
903 | #endif | |
12fb8c3d | 904 | |
2a70d65b | 905 | /* |
d597a9a8 DMSP |
906 | * Test that instantiation with RAND_seed() works as expected |
907 | * | |
908 | * If no os entropy source is available then RAND_seed(buffer, bufsize) | |
909 | * is expected to succeed if and only if the buffer length is at least | |
910 | * rand_drbg_seedlen(master) bytes. | |
911 | * | |
912 | * If an os entropy source is available then RAND_seed(buffer, bufsize) | |
913 | * is expected to succeed always. | |
2a70d65b | 914 | */ |
d597a9a8 | 915 | static int test_rand_seed(void) |
2a70d65b | 916 | { |
fd59e425 | 917 | RAND_DRBG *master = NULL; |
d597a9a8 DMSP |
918 | unsigned char rand_buf[256]; |
919 | size_t rand_buflen; | |
d597a9a8 | 920 | size_t required_seed_buflen = 0; |
fd59e425 BE |
921 | |
922 | if (!TEST_ptr(master = RAND_DRBG_get0_master())) | |
923 | return 0; | |
924 | ||
925 | #ifdef OPENSSL_RAND_SEED_NONE | |
926 | required_seed_buflen = rand_drbg_seedlen(master); | |
d597a9a8 DMSP |
927 | #endif |
928 | ||
929 | memset(rand_buf, 0xCD, sizeof(rand_buf)); | |
930 | ||
931 | for ( rand_buflen = 256 ; rand_buflen > 0 ; --rand_buflen ) { | |
932 | RAND_DRBG_uninstantiate(master); | |
933 | RAND_seed(rand_buf, rand_buflen); | |
934 | ||
935 | if (!TEST_int_eq(RAND_status(), | |
936 | (rand_buflen >= required_seed_buflen))) | |
937 | return 0; | |
938 | } | |
939 | ||
940 | return 1; | |
2a70d65b KR |
941 | } |
942 | ||
943 | /* | |
d597a9a8 DMSP |
944 | * Test that adding additional data with RAND_add() works as expected |
945 | * when the master DRBG is instantiated (and below its reseed limit). | |
946 | * | |
947 | * This should succeed regardless of whether an os entropy source is | |
948 | * available or not. | |
2a70d65b KR |
949 | */ |
950 | static int test_rand_add(void) | |
951 | { | |
d597a9a8 DMSP |
952 | unsigned char rand_buf[256]; |
953 | size_t rand_buflen; | |
2a70d65b | 954 | |
d597a9a8 | 955 | memset(rand_buf, 0xCD, sizeof(rand_buf)); |
2a70d65b | 956 | |
d597a9a8 DMSP |
957 | /* make sure it's instantiated */ |
958 | RAND_seed(rand_buf, sizeof(rand_buf)); | |
959 | if (!TEST_true(RAND_status())) | |
960 | return 0; | |
2a70d65b | 961 | |
d597a9a8 DMSP |
962 | for ( rand_buflen = 256 ; rand_buflen > 0 ; --rand_buflen ) { |
963 | RAND_add(rand_buf, rand_buflen, 0.0); | |
964 | if (!TEST_true(RAND_status())) | |
965 | return 0; | |
966 | } | |
967 | ||
968 | return 1; | |
2a70d65b KR |
969 | } |
970 | ||
ad887416 | 971 | int setup_tests(void) |
12fb8c3d | 972 | { |
12fb8c3d RS |
973 | app_data_index = RAND_DRBG_get_ex_new_index(0L, NULL, NULL, NULL, NULL); |
974 | ||
975 | ADD_ALL_TESTS(test_kats, OSSL_NELEM(drbg_test)); | |
976 | ADD_ALL_TESTS(test_error_checks, OSSL_NELEM(drbg_test)); | |
d597a9a8 DMSP |
977 | ADD_TEST(test_rand_drbg_reseed); |
978 | ADD_TEST(test_rand_seed); | |
2a70d65b | 979 | ADD_TEST(test_rand_add); |
440bce8f KR |
980 | #if defined(OPENSSL_THREADS) |
981 | ADD_TEST(test_multi_thread); | |
982 | #endif | |
ad887416 | 983 | return 1; |
12fb8c3d | 984 | } |