1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * Cryptographic API for algorithms (i.e., low 3 * Cryptographic API for algorithms (i.e., low-level API).
4 * 4 *
5 * Copyright (c) 2006 Herbert Xu <herbert@gond 5 * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
6 */ 6 */
7 7
8 #include <crypto/algapi.h> 8 #include <crypto/algapi.h>
9 #include <crypto/internal/simd.h> <<
10 #include <linux/err.h> 9 #include <linux/err.h>
11 #include <linux/errno.h> 10 #include <linux/errno.h>
12 #include <linux/fips.h> 11 #include <linux/fips.h>
13 #include <linux/init.h> 12 #include <linux/init.h>
14 #include <linux/kernel.h> 13 #include <linux/kernel.h>
15 #include <linux/list.h> 14 #include <linux/list.h>
16 #include <linux/module.h> 15 #include <linux/module.h>
17 #include <linux/rtnetlink.h> 16 #include <linux/rtnetlink.h>
18 #include <linux/slab.h> 17 #include <linux/slab.h>
19 #include <linux/string.h> 18 #include <linux/string.h>
20 #include <linux/workqueue.h> <<
21 19
22 #include "internal.h" 20 #include "internal.h"
23 21
24 static LIST_HEAD(crypto_template_list); 22 static LIST_HEAD(crypto_template_list);
25 23
26 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS <<
27 DEFINE_PER_CPU(bool, crypto_simd_disabled_for_ <<
28 EXPORT_PER_CPU_SYMBOL_GPL(crypto_simd_disabled <<
29 #endif <<
30 <<
31 static inline void crypto_check_module_sig(str 24 static inline void crypto_check_module_sig(struct module *mod)
32 { 25 {
33 if (fips_enabled && mod && !module_sig 26 if (fips_enabled && mod && !module_sig_ok(mod))
34 panic("Module %s signature ver 27 panic("Module %s signature verification failed in FIPS mode\n",
35 module_name(mod)); 28 module_name(mod));
36 } 29 }
37 30
38 static int crypto_check_alg(struct crypto_alg 31 static int crypto_check_alg(struct crypto_alg *alg)
39 { 32 {
40 crypto_check_module_sig(alg->cra_modul 33 crypto_check_module_sig(alg->cra_module);
41 34
42 if (!alg->cra_name[0] || !alg->cra_dri 35 if (!alg->cra_name[0] || !alg->cra_driver_name[0])
43 return -EINVAL; 36 return -EINVAL;
44 37
45 if (alg->cra_alignmask & (alg->cra_ali 38 if (alg->cra_alignmask & (alg->cra_alignmask + 1))
46 return -EINVAL; 39 return -EINVAL;
47 40
48 /* General maximums for all algs. */ 41 /* General maximums for all algs. */
49 if (alg->cra_alignmask > MAX_ALGAPI_AL 42 if (alg->cra_alignmask > MAX_ALGAPI_ALIGNMASK)
50 return -EINVAL; 43 return -EINVAL;
51 44
52 if (alg->cra_blocksize > MAX_ALGAPI_BL 45 if (alg->cra_blocksize > MAX_ALGAPI_BLOCKSIZE)
53 return -EINVAL; 46 return -EINVAL;
54 47
55 /* Lower maximums for specific alg typ 48 /* Lower maximums for specific alg types. */
56 if (!alg->cra_type && (alg->cra_flags 49 if (!alg->cra_type && (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
57 CRYPTO_ALG_TYPE 50 CRYPTO_ALG_TYPE_CIPHER) {
58 if (alg->cra_alignmask > MAX_C 51 if (alg->cra_alignmask > MAX_CIPHER_ALIGNMASK)
59 return -EINVAL; 52 return -EINVAL;
60 53
61 if (alg->cra_blocksize > MAX_C 54 if (alg->cra_blocksize > MAX_CIPHER_BLOCKSIZE)
62 return -EINVAL; 55 return -EINVAL;
63 } 56 }
64 57
65 if (alg->cra_priority < 0) 58 if (alg->cra_priority < 0)
66 return -EINVAL; 59 return -EINVAL;
67 60
68 refcount_set(&alg->cra_refcnt, 1); 61 refcount_set(&alg->cra_refcnt, 1);
69 62
70 return 0; 63 return 0;
71 } 64 }
72 65
73 static void crypto_free_instance(struct crypto 66 static void crypto_free_instance(struct crypto_instance *inst)
74 { 67 {
75 inst->alg.cra_type->free(inst); 68 inst->alg.cra_type->free(inst);
76 } 69 }
77 70
78 static void crypto_destroy_instance_workfn(str !! 71 static void crypto_destroy_instance(struct crypto_alg *alg)
79 { 72 {
80 struct crypto_instance *inst = contain !! 73 struct crypto_instance *inst = (void *)alg;
81 <<
82 struct crypto_template *tmpl = inst->t 74 struct crypto_template *tmpl = inst->tmpl;
83 75
84 crypto_free_instance(inst); 76 crypto_free_instance(inst);
85 crypto_tmpl_put(tmpl); 77 crypto_tmpl_put(tmpl);
86 } 78 }
87 79
88 static void crypto_destroy_instance(struct cry <<
89 { <<
90 struct crypto_instance *inst = contain <<
91 <<
92 <<
93 <<
94 INIT_WORK(&inst->free_work, crypto_des <<
95 schedule_work(&inst->free_work); <<
96 } <<
97 <<
98 /* 80 /*
99 * This function adds a spawn to the list seco 81 * This function adds a spawn to the list secondary_spawns which
100 * will be used at the end of crypto_remove_sp 82 * will be used at the end of crypto_remove_spawns to unregister
101 * instances, unless the spawn happens to be o 83 * instances, unless the spawn happens to be one that is depended
102 * on by the new algorithm (nalg in crypto_rem 84 * on by the new algorithm (nalg in crypto_remove_spawns).
103 * 85 *
104 * This function is also responsible for resur 86 * This function is also responsible for resurrecting any algorithms
105 * in the dependency chain of nalg by unsettin 87 * in the dependency chain of nalg by unsetting n->dead.
106 */ 88 */
107 static struct list_head *crypto_more_spawns(st 89 static struct list_head *crypto_more_spawns(struct crypto_alg *alg,
108 st 90 struct list_head *stack,
109 st 91 struct list_head *top,
110 st 92 struct list_head *secondary_spawns)
111 { 93 {
112 struct crypto_spawn *spawn, *n; 94 struct crypto_spawn *spawn, *n;
113 95
114 spawn = list_first_entry_or_null(stack 96 spawn = list_first_entry_or_null(stack, struct crypto_spawn, list);
115 if (!spawn) 97 if (!spawn)
116 return NULL; 98 return NULL;
117 99
118 n = list_prev_entry(spawn, list); 100 n = list_prev_entry(spawn, list);
119 list_move(&spawn->list, secondary_spaw 101 list_move(&spawn->list, secondary_spawns);
120 102
121 if (list_is_last(&n->list, stack)) 103 if (list_is_last(&n->list, stack))
122 return top; 104 return top;
123 105
124 n = list_next_entry(n, list); 106 n = list_next_entry(n, list);
125 if (!spawn->dead) 107 if (!spawn->dead)
126 n->dead = false; 108 n->dead = false;
127 109
128 return &n->inst->alg.cra_users; 110 return &n->inst->alg.cra_users;
129 } 111 }
130 112
131 static void crypto_remove_instance(struct cryp 113 static void crypto_remove_instance(struct crypto_instance *inst,
132 struct list 114 struct list_head *list)
133 { 115 {
134 struct crypto_template *tmpl = inst->t 116 struct crypto_template *tmpl = inst->tmpl;
135 117
136 if (crypto_is_dead(&inst->alg)) 118 if (crypto_is_dead(&inst->alg))
137 return; 119 return;
138 120
139 inst->alg.cra_flags |= CRYPTO_ALG_DEAD 121 inst->alg.cra_flags |= CRYPTO_ALG_DEAD;
140 122
141 if (!tmpl || !crypto_tmpl_get(tmpl)) 123 if (!tmpl || !crypto_tmpl_get(tmpl))
142 return; 124 return;
143 125
144 list_move(&inst->alg.cra_list, list); 126 list_move(&inst->alg.cra_list, list);
145 hlist_del(&inst->list); 127 hlist_del(&inst->list);
146 inst->alg.cra_destroy = crypto_destroy 128 inst->alg.cra_destroy = crypto_destroy_instance;
147 129
148 BUG_ON(!list_empty(&inst->alg.cra_user 130 BUG_ON(!list_empty(&inst->alg.cra_users));
149 } 131 }
150 132
151 /* 133 /*
152 * Given an algorithm alg, remove all algorith 134 * Given an algorithm alg, remove all algorithms that depend on it
153 * through spawns. If nalg is not null, then 135 * through spawns. If nalg is not null, then exempt any algorithms
154 * that is depended on by nalg. This is usefu 136 * that is depended on by nalg. This is useful when nalg itself
155 * depends on alg. 137 * depends on alg.
156 */ 138 */
157 void crypto_remove_spawns(struct crypto_alg *a 139 void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
158 struct crypto_alg *n 140 struct crypto_alg *nalg)
159 { 141 {
160 u32 new_type = (nalg ?: alg)->cra_flag 142 u32 new_type = (nalg ?: alg)->cra_flags;
161 struct crypto_spawn *spawn, *n; 143 struct crypto_spawn *spawn, *n;
162 LIST_HEAD(secondary_spawns); 144 LIST_HEAD(secondary_spawns);
163 struct list_head *spawns; 145 struct list_head *spawns;
164 LIST_HEAD(stack); 146 LIST_HEAD(stack);
165 LIST_HEAD(top); 147 LIST_HEAD(top);
166 148
167 spawns = &alg->cra_users; 149 spawns = &alg->cra_users;
168 list_for_each_entry_safe(spawn, n, spa 150 list_for_each_entry_safe(spawn, n, spawns, list) {
169 if ((spawn->alg->cra_flags ^ n 151 if ((spawn->alg->cra_flags ^ new_type) & spawn->mask)
170 continue; 152 continue;
171 153
172 list_move(&spawn->list, &top); 154 list_move(&spawn->list, &top);
173 } 155 }
174 156
175 /* 157 /*
176 * Perform a depth-first walk starting 158 * Perform a depth-first walk starting from alg through
177 * the cra_users tree. The list stack 159 * the cra_users tree. The list stack records the path
178 * from alg to the current spawn. 160 * from alg to the current spawn.
179 */ 161 */
180 spawns = ⊤ 162 spawns = ⊤
181 do { 163 do {
182 while (!list_empty(spawns)) { 164 while (!list_empty(spawns)) {
183 struct crypto_instance 165 struct crypto_instance *inst;
184 166
185 spawn = list_first_ent 167 spawn = list_first_entry(spawns, struct crypto_spawn,
186 168 list);
187 inst = spawn->inst; 169 inst = spawn->inst;
188 170
189 list_move(&spawn->list 171 list_move(&spawn->list, &stack);
190 spawn->dead = !spawn-> 172 spawn->dead = !spawn->registered || &inst->alg != nalg;
191 173
192 if (!spawn->registered 174 if (!spawn->registered)
193 break; 175 break;
194 176
195 BUG_ON(&inst->alg == a 177 BUG_ON(&inst->alg == alg);
196 178
197 if (&inst->alg == nalg 179 if (&inst->alg == nalg)
198 break; 180 break;
199 181
200 spawns = &inst->alg.cr 182 spawns = &inst->alg.cra_users;
201 183
202 /* 184 /*
203 * Even if spawn->regi 185 * Even if spawn->registered is true, the
204 * instance itself may 186 * instance itself may still be unregistered.
205 * This is because it 187 * This is because it may have failed during
206 * registration. Ther 188 * registration. Therefore we still need to
207 * make the following 189 * make the following test.
208 * 190 *
209 * We may encounter an 191 * We may encounter an unregistered instance here, since
210 * an instance's spawn 192 * an instance's spawns are set up prior to the instance
211 * being registered. 193 * being registered. An unregistered instance will have
212 * NULL ->cra_users.ne 194 * NULL ->cra_users.next, since ->cra_users isn't
213 * properly initialize 195 * properly initialized until registration. But an
214 * unregistered instan 196 * unregistered instance cannot have any users, so treat
215 * it the same as ->cr 197 * it the same as ->cra_users being empty.
216 */ 198 */
217 if (spawns->next == NU 199 if (spawns->next == NULL)
218 break; 200 break;
219 } 201 }
220 } while ((spawns = crypto_more_spawns( 202 } while ((spawns = crypto_more_spawns(alg, &stack, &top,
221 203 &secondary_spawns)));
222 204
223 /* 205 /*
224 * Remove all instances that are marke 206 * Remove all instances that are marked as dead. Also
225 * complete the resurrection of the ot 207 * complete the resurrection of the others by moving them
226 * back to the cra_users list. 208 * back to the cra_users list.
227 */ 209 */
228 list_for_each_entry_safe(spawn, n, &se 210 list_for_each_entry_safe(spawn, n, &secondary_spawns, list) {
229 if (!spawn->dead) 211 if (!spawn->dead)
230 list_move(&spawn->list 212 list_move(&spawn->list, &spawn->alg->cra_users);
231 else if (spawn->registered) 213 else if (spawn->registered)
232 crypto_remove_instance 214 crypto_remove_instance(spawn->inst, list);
233 } 215 }
234 } 216 }
235 EXPORT_SYMBOL_GPL(crypto_remove_spawns); 217 EXPORT_SYMBOL_GPL(crypto_remove_spawns);
236 218
237 static void crypto_alg_finish_registration(str !! 219 static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
238 boo <<
239 str <<
240 { <<
241 struct crypto_alg *q; <<
242 <<
243 list_for_each_entry(q, &crypto_alg_lis <<
244 if (q == alg) <<
245 continue; <<
246 <<
247 if (crypto_is_moribund(q)) <<
248 continue; <<
249 <<
250 if (crypto_is_larval(q)) { <<
251 struct crypto_larval * <<
252 <<
253 /* <<
254 * Check to see if eit <<
255 * specific name can s <<
256 * by the larval entry <<
257 */ <<
258 if (strcmp(alg->cra_na <<
259 strcmp(alg->cra_dr <<
260 continue; <<
261 <<
262 if (larval->adult) <<
263 continue; <<
264 if ((q->cra_flags ^ al <<
265 continue; <<
266 <<
267 if (fulfill_requests & <<
268 larval->adult <<
269 else <<
270 larval->adult <<
271 <<
272 continue; <<
273 } <<
274 <<
275 if (strcmp(alg->cra_name, q->c <<
276 continue; <<
277 <<
278 if (strcmp(alg->cra_driver_nam <<
279 q->cra_priority > alg->cra <<
280 continue; <<
281 <<
282 crypto_remove_spawns(q, algs_t <<
283 } <<
284 <<
285 crypto_notify(CRYPTO_MSG_ALG_LOADED, a <<
286 } <<
287 <<
288 static struct crypto_larval *crypto_alloc_test <<
289 { <<
290 struct crypto_larval *larval; <<
291 <<
292 if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER) <<
293 IS_ENABLED(CONFIG_CRYPTO_MANAGER_D <<
294 (alg->cra_flags & CRYPTO_ALG_INTER <<
295 return NULL; /* No self-test n <<
296 <<
297 larval = crypto_larval_alloc(alg->cra_ <<
298 alg->cra_ <<
299 if (IS_ERR(larval)) <<
300 return larval; <<
301 <<
302 larval->adult = crypto_mod_get(alg); <<
303 if (!larval->adult) { <<
304 kfree(larval); <<
305 return ERR_PTR(-ENOENT); <<
306 } <<
307 <<
308 refcount_set(&larval->alg.cra_refcnt, <<
309 memcpy(larval->alg.cra_driver_name, al <<
310 CRYPTO_MAX_ALG_NAME); <<
311 larval->alg.cra_priority = alg->cra_pr <<
312 <<
313 return larval; <<
314 } <<
315 <<
316 static struct crypto_larval * <<
317 __crypto_register_alg(struct crypto_alg *alg, <<
318 { 220 {
319 struct crypto_alg *q; 221 struct crypto_alg *q;
320 struct crypto_larval *larval; 222 struct crypto_larval *larval;
321 int ret = -EAGAIN; 223 int ret = -EAGAIN;
322 224
323 if (crypto_is_dead(alg)) 225 if (crypto_is_dead(alg))
324 goto err; 226 goto err;
325 227
326 INIT_LIST_HEAD(&alg->cra_users); 228 INIT_LIST_HEAD(&alg->cra_users);
327 229
>> 230 /* No cheating! */
>> 231 alg->cra_flags &= ~CRYPTO_ALG_TESTED;
>> 232
328 ret = -EEXIST; 233 ret = -EEXIST;
329 234
330 list_for_each_entry(q, &crypto_alg_lis 235 list_for_each_entry(q, &crypto_alg_list, cra_list) {
331 if (q == alg) 236 if (q == alg)
332 goto err; 237 goto err;
333 238
334 if (crypto_is_moribund(q)) 239 if (crypto_is_moribund(q))
335 continue; 240 continue;
336 241
337 if (crypto_is_larval(q)) { 242 if (crypto_is_larval(q)) {
338 if (!strcmp(alg->cra_d 243 if (!strcmp(alg->cra_driver_name, q->cra_driver_name))
339 goto err; 244 goto err;
340 continue; 245 continue;
341 } 246 }
342 247
343 if (!strcmp(q->cra_driver_name 248 if (!strcmp(q->cra_driver_name, alg->cra_name) ||
344 !strcmp(q->cra_driver_name <<
345 !strcmp(q->cra_name, alg-> 249 !strcmp(q->cra_name, alg->cra_driver_name))
346 goto err; 250 goto err;
347 } 251 }
348 252
349 larval = crypto_alloc_test_larval(alg) !! 253 larval = crypto_larval_alloc(alg->cra_name,
>> 254 alg->cra_flags | CRYPTO_ALG_TESTED, 0);
350 if (IS_ERR(larval)) 255 if (IS_ERR(larval))
351 goto out; 256 goto out;
352 257
353 list_add(&alg->cra_list, &crypto_alg_l !! 258 ret = -ENOENT;
>> 259 larval->adult = crypto_mod_get(alg);
>> 260 if (!larval->adult)
>> 261 goto free_larval;
354 262
355 if (larval) { !! 263 refcount_set(&larval->alg.cra_refcnt, 1);
356 /* No cheating! */ !! 264 memcpy(larval->alg.cra_driver_name, alg->cra_driver_name,
357 alg->cra_flags &= ~CRYPTO_ALG_ !! 265 CRYPTO_MAX_ALG_NAME);
>> 266 larval->alg.cra_priority = alg->cra_priority;
358 267
359 list_add(&larval->alg.cra_list !! 268 list_add(&alg->cra_list, &crypto_alg_list);
360 } else { !! 269 list_add(&larval->alg.cra_list, &crypto_alg_list);
361 alg->cra_flags |= CRYPTO_ALG_T !! 270
362 crypto_alg_finish_registration !! 271 crypto_stats_init(alg);
363 } <<
364 272
365 out: 273 out:
366 return larval; 274 return larval;
367 275
>> 276 free_larval:
>> 277 kfree(larval);
368 err: 278 err:
369 larval = ERR_PTR(ret); 279 larval = ERR_PTR(ret);
370 goto out; 280 goto out;
371 } 281 }
372 282
373 void crypto_alg_tested(const char *name, int e 283 void crypto_alg_tested(const char *name, int err)
374 { 284 {
375 struct crypto_larval *test; 285 struct crypto_larval *test;
376 struct crypto_alg *alg; 286 struct crypto_alg *alg;
377 struct crypto_alg *q; 287 struct crypto_alg *q;
378 LIST_HEAD(list); 288 LIST_HEAD(list);
379 bool best; 289 bool best;
380 290
381 down_write(&crypto_alg_sem); 291 down_write(&crypto_alg_sem);
382 list_for_each_entry(q, &crypto_alg_lis 292 list_for_each_entry(q, &crypto_alg_list, cra_list) {
383 if (crypto_is_moribund(q) || ! 293 if (crypto_is_moribund(q) || !crypto_is_larval(q))
384 continue; 294 continue;
385 295
386 test = (struct crypto_larval * 296 test = (struct crypto_larval *)q;
387 297
388 if (!strcmp(q->cra_driver_name 298 if (!strcmp(q->cra_driver_name, name))
389 goto found; 299 goto found;
390 } 300 }
391 301
392 pr_err("alg: Unexpected test result fo 302 pr_err("alg: Unexpected test result for %s: %d\n", name, err);
393 goto unlock; 303 goto unlock;
394 304
395 found: 305 found:
396 q->cra_flags |= CRYPTO_ALG_DEAD; 306 q->cra_flags |= CRYPTO_ALG_DEAD;
397 alg = test->adult; 307 alg = test->adult;
398 !! 308 if (err || list_empty(&alg->cra_list))
399 if (list_empty(&alg->cra_list)) <<
400 goto complete; 309 goto complete;
401 310
402 if (err == -ECANCELED) <<
403 alg->cra_flags |= CRYPTO_ALG_F <<
404 else if (err) <<
405 goto complete; <<
406 else <<
407 alg->cra_flags &= ~CRYPTO_ALG_ <<
408 <<
409 alg->cra_flags |= CRYPTO_ALG_TESTED; 311 alg->cra_flags |= CRYPTO_ALG_TESTED;
410 312
411 /* !! 313 /* Only satisfy larval waiters if we are the best. */
412 * If a higher-priority implementation <<
413 * currently being tested, then don't <<
414 */ <<
415 best = true; 314 best = true;
416 list_for_each_entry(q, &crypto_alg_lis 315 list_for_each_entry(q, &crypto_alg_list, cra_list) {
417 if (crypto_is_moribund(q) || ! 316 if (crypto_is_moribund(q) || !crypto_is_larval(q))
418 continue; 317 continue;
419 318
420 if (strcmp(alg->cra_name, q->c 319 if (strcmp(alg->cra_name, q->cra_name))
421 continue; 320 continue;
422 321
423 if (q->cra_priority > alg->cra 322 if (q->cra_priority > alg->cra_priority) {
424 best = false; 323 best = false;
425 break; 324 break;
426 } 325 }
427 } 326 }
428 327
429 crypto_alg_finish_registration(alg, be !! 328 list_for_each_entry(q, &crypto_alg_list, cra_list) {
>> 329 if (q == alg)
>> 330 continue;
>> 331
>> 332 if (crypto_is_moribund(q))
>> 333 continue;
>> 334
>> 335 if (crypto_is_larval(q)) {
>> 336 struct crypto_larval *larval = (void *)q;
>> 337
>> 338 /*
>> 339 * Check to see if either our generic name or
>> 340 * specific name can satisfy the name requested
>> 341 * by the larval entry q.
>> 342 */
>> 343 if (strcmp(alg->cra_name, q->cra_name) &&
>> 344 strcmp(alg->cra_driver_name, q->cra_name))
>> 345 continue;
>> 346
>> 347 if (larval->adult)
>> 348 continue;
>> 349 if ((q->cra_flags ^ alg->cra_flags) & larval->mask)
>> 350 continue;
>> 351
>> 352 if (best && crypto_mod_get(alg))
>> 353 larval->adult = alg;
>> 354 else
>> 355 larval->adult = ERR_PTR(-EAGAIN);
>> 356
>> 357 continue;
>> 358 }
>> 359
>> 360 if (strcmp(alg->cra_name, q->cra_name))
>> 361 continue;
>> 362
>> 363 if (strcmp(alg->cra_driver_name, q->cra_driver_name) &&
>> 364 q->cra_priority > alg->cra_priority)
>> 365 continue;
>> 366
>> 367 crypto_remove_spawns(q, &list, alg);
>> 368 }
430 369
431 complete: 370 complete:
432 complete_all(&test->completion); 371 complete_all(&test->completion);
433 372
434 unlock: 373 unlock:
435 up_write(&crypto_alg_sem); 374 up_write(&crypto_alg_sem);
436 375
437 crypto_remove_final(&list); 376 crypto_remove_final(&list);
438 } 377 }
439 EXPORT_SYMBOL_GPL(crypto_alg_tested); 378 EXPORT_SYMBOL_GPL(crypto_alg_tested);
440 379
441 void crypto_remove_final(struct list_head *lis 380 void crypto_remove_final(struct list_head *list)
442 { 381 {
443 struct crypto_alg *alg; 382 struct crypto_alg *alg;
444 struct crypto_alg *n; 383 struct crypto_alg *n;
445 384
446 list_for_each_entry_safe(alg, n, list, 385 list_for_each_entry_safe(alg, n, list, cra_list) {
447 list_del_init(&alg->cra_list); 386 list_del_init(&alg->cra_list);
448 crypto_alg_put(alg); 387 crypto_alg_put(alg);
449 } 388 }
450 } 389 }
451 EXPORT_SYMBOL_GPL(crypto_remove_final); 390 EXPORT_SYMBOL_GPL(crypto_remove_final);
452 391
>> 392 static void crypto_wait_for_test(struct crypto_larval *larval)
>> 393 {
>> 394 int err;
>> 395
>> 396 err = crypto_probing_notify(CRYPTO_MSG_ALG_REGISTER, larval->adult);
>> 397 if (err != NOTIFY_STOP) {
>> 398 if (WARN_ON(err != NOTIFY_DONE))
>> 399 goto out;
>> 400 crypto_alg_tested(larval->alg.cra_driver_name, 0);
>> 401 }
>> 402
>> 403 err = wait_for_completion_killable(&larval->completion);
>> 404 WARN_ON(err);
>> 405 if (!err)
>> 406 crypto_notify(CRYPTO_MSG_ALG_LOADED, larval);
>> 407
>> 408 out:
>> 409 crypto_larval_kill(&larval->alg);
>> 410 }
>> 411
453 int crypto_register_alg(struct crypto_alg *alg 412 int crypto_register_alg(struct crypto_alg *alg)
454 { 413 {
455 struct crypto_larval *larval; 414 struct crypto_larval *larval;
456 LIST_HEAD(algs_to_put); <<
457 bool test_started = false; <<
458 int err; 415 int err;
459 416
460 alg->cra_flags &= ~CRYPTO_ALG_DEAD; 417 alg->cra_flags &= ~CRYPTO_ALG_DEAD;
461 err = crypto_check_alg(alg); 418 err = crypto_check_alg(alg);
462 if (err) 419 if (err)
463 return err; 420 return err;
464 421
465 down_write(&crypto_alg_sem); 422 down_write(&crypto_alg_sem);
466 larval = __crypto_register_alg(alg, &a !! 423 larval = __crypto_register_alg(alg);
467 if (!IS_ERR_OR_NULL(larval)) { <<
468 test_started = crypto_boot_tes <<
469 larval->test_started = test_st <<
470 } <<
471 up_write(&crypto_alg_sem); 424 up_write(&crypto_alg_sem);
472 425
473 if (IS_ERR(larval)) 426 if (IS_ERR(larval))
474 return PTR_ERR(larval); 427 return PTR_ERR(larval);
475 if (test_started) !! 428
476 crypto_wait_for_test(larval); !! 429 crypto_wait_for_test(larval);
477 crypto_remove_final(&algs_to_put); <<
478 return 0; 430 return 0;
479 } 431 }
480 EXPORT_SYMBOL_GPL(crypto_register_alg); 432 EXPORT_SYMBOL_GPL(crypto_register_alg);
481 433
482 static int crypto_remove_alg(struct crypto_alg 434 static int crypto_remove_alg(struct crypto_alg *alg, struct list_head *list)
483 { 435 {
484 if (unlikely(list_empty(&alg->cra_list 436 if (unlikely(list_empty(&alg->cra_list)))
485 return -ENOENT; 437 return -ENOENT;
486 438
487 alg->cra_flags |= CRYPTO_ALG_DEAD; 439 alg->cra_flags |= CRYPTO_ALG_DEAD;
488 440
489 list_del_init(&alg->cra_list); 441 list_del_init(&alg->cra_list);
490 crypto_remove_spawns(alg, list, NULL); 442 crypto_remove_spawns(alg, list, NULL);
491 443
492 return 0; 444 return 0;
493 } 445 }
494 446
495 void crypto_unregister_alg(struct crypto_alg * 447 void crypto_unregister_alg(struct crypto_alg *alg)
496 { 448 {
497 int ret; 449 int ret;
498 LIST_HEAD(list); 450 LIST_HEAD(list);
499 451
500 down_write(&crypto_alg_sem); 452 down_write(&crypto_alg_sem);
501 ret = crypto_remove_alg(alg, &list); 453 ret = crypto_remove_alg(alg, &list);
502 up_write(&crypto_alg_sem); 454 up_write(&crypto_alg_sem);
503 455
504 if (WARN(ret, "Algorithm %s is not reg 456 if (WARN(ret, "Algorithm %s is not registered", alg->cra_driver_name))
505 return; 457 return;
506 458
507 if (WARN_ON(refcount_read(&alg->cra_re !! 459 BUG_ON(refcount_read(&alg->cra_refcnt) != 1);
508 return; <<
509 <<
510 if (alg->cra_destroy) 460 if (alg->cra_destroy)
511 alg->cra_destroy(alg); 461 alg->cra_destroy(alg);
512 462
513 crypto_remove_final(&list); 463 crypto_remove_final(&list);
514 } 464 }
515 EXPORT_SYMBOL_GPL(crypto_unregister_alg); 465 EXPORT_SYMBOL_GPL(crypto_unregister_alg);
516 466
517 int crypto_register_algs(struct crypto_alg *al 467 int crypto_register_algs(struct crypto_alg *algs, int count)
518 { 468 {
519 int i, ret; 469 int i, ret;
520 470
521 for (i = 0; i < count; i++) { 471 for (i = 0; i < count; i++) {
522 ret = crypto_register_alg(&alg 472 ret = crypto_register_alg(&algs[i]);
523 if (ret) 473 if (ret)
524 goto err; 474 goto err;
525 } 475 }
526 476
527 return 0; 477 return 0;
528 478
529 err: 479 err:
530 for (--i; i >= 0; --i) 480 for (--i; i >= 0; --i)
531 crypto_unregister_alg(&algs[i] 481 crypto_unregister_alg(&algs[i]);
532 482
533 return ret; 483 return ret;
534 } 484 }
535 EXPORT_SYMBOL_GPL(crypto_register_algs); 485 EXPORT_SYMBOL_GPL(crypto_register_algs);
536 486
537 void crypto_unregister_algs(struct crypto_alg 487 void crypto_unregister_algs(struct crypto_alg *algs, int count)
538 { 488 {
539 int i; 489 int i;
540 490
541 for (i = 0; i < count; i++) 491 for (i = 0; i < count; i++)
542 crypto_unregister_alg(&algs[i] 492 crypto_unregister_alg(&algs[i]);
543 } 493 }
544 EXPORT_SYMBOL_GPL(crypto_unregister_algs); 494 EXPORT_SYMBOL_GPL(crypto_unregister_algs);
545 495
546 int crypto_register_template(struct crypto_tem 496 int crypto_register_template(struct crypto_template *tmpl)
547 { 497 {
548 struct crypto_template *q; 498 struct crypto_template *q;
549 int err = -EEXIST; 499 int err = -EEXIST;
550 500
551 down_write(&crypto_alg_sem); 501 down_write(&crypto_alg_sem);
552 502
553 crypto_check_module_sig(tmpl->module); 503 crypto_check_module_sig(tmpl->module);
554 504
555 list_for_each_entry(q, &crypto_templat 505 list_for_each_entry(q, &crypto_template_list, list) {
556 if (q == tmpl) 506 if (q == tmpl)
557 goto out; 507 goto out;
558 } 508 }
559 509
560 list_add(&tmpl->list, &crypto_template 510 list_add(&tmpl->list, &crypto_template_list);
561 err = 0; 511 err = 0;
562 out: 512 out:
563 up_write(&crypto_alg_sem); 513 up_write(&crypto_alg_sem);
564 return err; 514 return err;
565 } 515 }
566 EXPORT_SYMBOL_GPL(crypto_register_template); 516 EXPORT_SYMBOL_GPL(crypto_register_template);
567 517
568 int crypto_register_templates(struct crypto_te 518 int crypto_register_templates(struct crypto_template *tmpls, int count)
569 { 519 {
570 int i, err; 520 int i, err;
571 521
572 for (i = 0; i < count; i++) { 522 for (i = 0; i < count; i++) {
573 err = crypto_register_template 523 err = crypto_register_template(&tmpls[i]);
574 if (err) 524 if (err)
575 goto out; 525 goto out;
576 } 526 }
577 return 0; 527 return 0;
578 528
579 out: 529 out:
580 for (--i; i >= 0; --i) 530 for (--i; i >= 0; --i)
581 crypto_unregister_template(&tm 531 crypto_unregister_template(&tmpls[i]);
582 return err; 532 return err;
583 } 533 }
584 EXPORT_SYMBOL_GPL(crypto_register_templates); 534 EXPORT_SYMBOL_GPL(crypto_register_templates);
585 535
586 void crypto_unregister_template(struct crypto_ 536 void crypto_unregister_template(struct crypto_template *tmpl)
587 { 537 {
588 struct crypto_instance *inst; 538 struct crypto_instance *inst;
589 struct hlist_node *n; 539 struct hlist_node *n;
590 struct hlist_head *list; 540 struct hlist_head *list;
591 LIST_HEAD(users); 541 LIST_HEAD(users);
592 542
593 down_write(&crypto_alg_sem); 543 down_write(&crypto_alg_sem);
594 544
595 BUG_ON(list_empty(&tmpl->list)); 545 BUG_ON(list_empty(&tmpl->list));
596 list_del_init(&tmpl->list); 546 list_del_init(&tmpl->list);
597 547
598 list = &tmpl->instances; 548 list = &tmpl->instances;
599 hlist_for_each_entry(inst, list, list) 549 hlist_for_each_entry(inst, list, list) {
600 int err = crypto_remove_alg(&i 550 int err = crypto_remove_alg(&inst->alg, &users);
601 551
602 BUG_ON(err); 552 BUG_ON(err);
603 } 553 }
604 554
605 up_write(&crypto_alg_sem); 555 up_write(&crypto_alg_sem);
606 556
607 hlist_for_each_entry_safe(inst, n, lis 557 hlist_for_each_entry_safe(inst, n, list, list) {
608 BUG_ON(refcount_read(&inst->al 558 BUG_ON(refcount_read(&inst->alg.cra_refcnt) != 1);
609 crypto_free_instance(inst); 559 crypto_free_instance(inst);
610 } 560 }
611 crypto_remove_final(&users); 561 crypto_remove_final(&users);
612 } 562 }
613 EXPORT_SYMBOL_GPL(crypto_unregister_template); 563 EXPORT_SYMBOL_GPL(crypto_unregister_template);
614 564
615 void crypto_unregister_templates(struct crypto 565 void crypto_unregister_templates(struct crypto_template *tmpls, int count)
616 { 566 {
617 int i; 567 int i;
618 568
619 for (i = count - 1; i >= 0; --i) 569 for (i = count - 1; i >= 0; --i)
620 crypto_unregister_template(&tm 570 crypto_unregister_template(&tmpls[i]);
621 } 571 }
622 EXPORT_SYMBOL_GPL(crypto_unregister_templates) 572 EXPORT_SYMBOL_GPL(crypto_unregister_templates);
623 573
624 static struct crypto_template *__crypto_lookup 574 static struct crypto_template *__crypto_lookup_template(const char *name)
625 { 575 {
626 struct crypto_template *q, *tmpl = NUL 576 struct crypto_template *q, *tmpl = NULL;
627 577
628 down_read(&crypto_alg_sem); 578 down_read(&crypto_alg_sem);
629 list_for_each_entry(q, &crypto_templat 579 list_for_each_entry(q, &crypto_template_list, list) {
630 if (strcmp(q->name, name)) 580 if (strcmp(q->name, name))
631 continue; 581 continue;
632 if (unlikely(!crypto_tmpl_get( 582 if (unlikely(!crypto_tmpl_get(q)))
633 continue; 583 continue;
634 584
635 tmpl = q; 585 tmpl = q;
636 break; 586 break;
637 } 587 }
638 up_read(&crypto_alg_sem); 588 up_read(&crypto_alg_sem);
639 589
640 return tmpl; 590 return tmpl;
641 } 591 }
642 592
643 struct crypto_template *crypto_lookup_template 593 struct crypto_template *crypto_lookup_template(const char *name)
644 { 594 {
645 return try_then_request_module(__crypt 595 return try_then_request_module(__crypto_lookup_template(name),
646 "crypto 596 "crypto-%s", name);
647 } 597 }
648 EXPORT_SYMBOL_GPL(crypto_lookup_template); 598 EXPORT_SYMBOL_GPL(crypto_lookup_template);
649 599
650 int crypto_register_instance(struct crypto_tem 600 int crypto_register_instance(struct crypto_template *tmpl,
651 struct crypto_ins 601 struct crypto_instance *inst)
652 { 602 {
653 struct crypto_larval *larval; 603 struct crypto_larval *larval;
654 struct crypto_spawn *spawn; 604 struct crypto_spawn *spawn;
655 u32 fips_internal = 0; <<
656 LIST_HEAD(algs_to_put); <<
657 int err; 605 int err;
658 606
659 err = crypto_check_alg(&inst->alg); 607 err = crypto_check_alg(&inst->alg);
660 if (err) 608 if (err)
661 return err; 609 return err;
662 610
663 inst->alg.cra_module = tmpl->module; 611 inst->alg.cra_module = tmpl->module;
664 inst->alg.cra_flags |= CRYPTO_ALG_INST 612 inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE;
665 613
666 down_write(&crypto_alg_sem); 614 down_write(&crypto_alg_sem);
667 615
668 larval = ERR_PTR(-EAGAIN); 616 larval = ERR_PTR(-EAGAIN);
669 for (spawn = inst->spawns; spawn;) { 617 for (spawn = inst->spawns; spawn;) {
670 struct crypto_spawn *next; 618 struct crypto_spawn *next;
671 619
672 if (spawn->dead) 620 if (spawn->dead)
673 goto unlock; 621 goto unlock;
674 622
675 next = spawn->next; 623 next = spawn->next;
676 spawn->inst = inst; 624 spawn->inst = inst;
677 spawn->registered = true; 625 spawn->registered = true;
678 626
679 fips_internal |= spawn->alg->c <<
680 <<
681 crypto_mod_put(spawn->alg); 627 crypto_mod_put(spawn->alg);
682 628
683 spawn = next; 629 spawn = next;
684 } 630 }
685 631
686 inst->alg.cra_flags |= (fips_internal !! 632 larval = __crypto_register_alg(&inst->alg);
687 <<
688 larval = __crypto_register_alg(&inst-> <<
689 if (IS_ERR(larval)) 633 if (IS_ERR(larval))
690 goto unlock; 634 goto unlock;
691 else if (larval) <<
692 larval->test_started = true; <<
693 635
694 hlist_add_head(&inst->list, &tmpl->ins 636 hlist_add_head(&inst->list, &tmpl->instances);
695 inst->tmpl = tmpl; 637 inst->tmpl = tmpl;
696 638
697 unlock: 639 unlock:
698 up_write(&crypto_alg_sem); 640 up_write(&crypto_alg_sem);
699 641
>> 642 err = PTR_ERR(larval);
700 if (IS_ERR(larval)) 643 if (IS_ERR(larval))
701 return PTR_ERR(larval); !! 644 goto err;
702 if (larval) !! 645
703 crypto_wait_for_test(larval); !! 646 crypto_wait_for_test(larval);
704 crypto_remove_final(&algs_to_put); !! 647 err = 0;
705 return 0; !! 648
>> 649 err:
>> 650 return err;
706 } 651 }
707 EXPORT_SYMBOL_GPL(crypto_register_instance); 652 EXPORT_SYMBOL_GPL(crypto_register_instance);
708 653
709 void crypto_unregister_instance(struct crypto_ 654 void crypto_unregister_instance(struct crypto_instance *inst)
710 { 655 {
711 LIST_HEAD(list); 656 LIST_HEAD(list);
712 657
713 down_write(&crypto_alg_sem); 658 down_write(&crypto_alg_sem);
714 659
715 crypto_remove_spawns(&inst->alg, &list 660 crypto_remove_spawns(&inst->alg, &list, NULL);
716 crypto_remove_instance(inst, &list); 661 crypto_remove_instance(inst, &list);
717 662
718 up_write(&crypto_alg_sem); 663 up_write(&crypto_alg_sem);
719 664
720 crypto_remove_final(&list); 665 crypto_remove_final(&list);
721 } 666 }
722 EXPORT_SYMBOL_GPL(crypto_unregister_instance); 667 EXPORT_SYMBOL_GPL(crypto_unregister_instance);
723 668
724 int crypto_grab_spawn(struct crypto_spawn *spa 669 int crypto_grab_spawn(struct crypto_spawn *spawn, struct crypto_instance *inst,
725 const char *name, u32 ty 670 const char *name, u32 type, u32 mask)
726 { 671 {
727 struct crypto_alg *alg; 672 struct crypto_alg *alg;
728 int err = -EAGAIN; 673 int err = -EAGAIN;
729 674
730 if (WARN_ON_ONCE(inst == NULL)) 675 if (WARN_ON_ONCE(inst == NULL))
731 return -EINVAL; 676 return -EINVAL;
732 677
733 /* Allow the result of crypto_attr_alg 678 /* Allow the result of crypto_attr_alg_name() to be passed directly */
734 if (IS_ERR(name)) 679 if (IS_ERR(name))
735 return PTR_ERR(name); 680 return PTR_ERR(name);
736 681
737 alg = crypto_find_alg(name, spawn->fro !! 682 alg = crypto_find_alg(name, spawn->frontend, type, mask);
738 type | CRYPTO_AL <<
739 if (IS_ERR(alg)) 683 if (IS_ERR(alg))
740 return PTR_ERR(alg); 684 return PTR_ERR(alg);
741 685
742 down_write(&crypto_alg_sem); 686 down_write(&crypto_alg_sem);
743 if (!crypto_is_moribund(alg)) { 687 if (!crypto_is_moribund(alg)) {
744 list_add(&spawn->list, &alg->c 688 list_add(&spawn->list, &alg->cra_users);
745 spawn->alg = alg; 689 spawn->alg = alg;
746 spawn->mask = mask; 690 spawn->mask = mask;
747 spawn->next = inst->spawns; 691 spawn->next = inst->spawns;
748 inst->spawns = spawn; 692 inst->spawns = spawn;
749 inst->alg.cra_flags |= <<
750 (alg->cra_flags & CRYP <<
751 err = 0; 693 err = 0;
752 } 694 }
753 up_write(&crypto_alg_sem); 695 up_write(&crypto_alg_sem);
754 if (err) 696 if (err)
755 crypto_mod_put(alg); 697 crypto_mod_put(alg);
756 return err; 698 return err;
757 } 699 }
758 EXPORT_SYMBOL_GPL(crypto_grab_spawn); 700 EXPORT_SYMBOL_GPL(crypto_grab_spawn);
759 701
760 void crypto_drop_spawn(struct crypto_spawn *sp 702 void crypto_drop_spawn(struct crypto_spawn *spawn)
761 { 703 {
762 if (!spawn->alg) /* not yet initialize 704 if (!spawn->alg) /* not yet initialized? */
763 return; 705 return;
764 706
765 down_write(&crypto_alg_sem); 707 down_write(&crypto_alg_sem);
766 if (!spawn->dead) 708 if (!spawn->dead)
767 list_del(&spawn->list); 709 list_del(&spawn->list);
768 up_write(&crypto_alg_sem); 710 up_write(&crypto_alg_sem);
769 711
770 if (!spawn->registered) 712 if (!spawn->registered)
771 crypto_mod_put(spawn->alg); 713 crypto_mod_put(spawn->alg);
772 } 714 }
773 EXPORT_SYMBOL_GPL(crypto_drop_spawn); 715 EXPORT_SYMBOL_GPL(crypto_drop_spawn);
774 716
775 static struct crypto_alg *crypto_spawn_alg(str 717 static struct crypto_alg *crypto_spawn_alg(struct crypto_spawn *spawn)
776 { 718 {
777 struct crypto_alg *alg = ERR_PTR(-EAGA 719 struct crypto_alg *alg = ERR_PTR(-EAGAIN);
778 struct crypto_alg *target; 720 struct crypto_alg *target;
779 bool shoot = false; 721 bool shoot = false;
780 722
781 down_read(&crypto_alg_sem); 723 down_read(&crypto_alg_sem);
782 if (!spawn->dead) { 724 if (!spawn->dead) {
783 alg = spawn->alg; 725 alg = spawn->alg;
784 if (!crypto_mod_get(alg)) { 726 if (!crypto_mod_get(alg)) {
785 target = crypto_alg_ge 727 target = crypto_alg_get(alg);
786 shoot = true; 728 shoot = true;
787 alg = ERR_PTR(-EAGAIN) 729 alg = ERR_PTR(-EAGAIN);
788 } 730 }
789 } 731 }
790 up_read(&crypto_alg_sem); 732 up_read(&crypto_alg_sem);
791 733
792 if (shoot) { 734 if (shoot) {
793 crypto_shoot_alg(target); 735 crypto_shoot_alg(target);
794 crypto_alg_put(target); 736 crypto_alg_put(target);
795 } 737 }
796 738
797 return alg; 739 return alg;
798 } 740 }
799 741
800 struct crypto_tfm *crypto_spawn_tfm(struct cry 742 struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
801 u32 mask) 743 u32 mask)
802 { 744 {
803 struct crypto_alg *alg; 745 struct crypto_alg *alg;
804 struct crypto_tfm *tfm; 746 struct crypto_tfm *tfm;
805 747
806 alg = crypto_spawn_alg(spawn); 748 alg = crypto_spawn_alg(spawn);
807 if (IS_ERR(alg)) 749 if (IS_ERR(alg))
808 return ERR_CAST(alg); 750 return ERR_CAST(alg);
809 751
810 tfm = ERR_PTR(-EINVAL); 752 tfm = ERR_PTR(-EINVAL);
811 if (unlikely((alg->cra_flags ^ type) & 753 if (unlikely((alg->cra_flags ^ type) & mask))
812 goto out_put_alg; 754 goto out_put_alg;
813 755
814 tfm = __crypto_alloc_tfm(alg, type, ma 756 tfm = __crypto_alloc_tfm(alg, type, mask);
815 if (IS_ERR(tfm)) 757 if (IS_ERR(tfm))
816 goto out_put_alg; 758 goto out_put_alg;
817 759
818 return tfm; 760 return tfm;
819 761
820 out_put_alg: 762 out_put_alg:
821 crypto_mod_put(alg); 763 crypto_mod_put(alg);
822 return tfm; 764 return tfm;
823 } 765 }
824 EXPORT_SYMBOL_GPL(crypto_spawn_tfm); 766 EXPORT_SYMBOL_GPL(crypto_spawn_tfm);
825 767
826 void *crypto_spawn_tfm2(struct crypto_spawn *s 768 void *crypto_spawn_tfm2(struct crypto_spawn *spawn)
827 { 769 {
828 struct crypto_alg *alg; 770 struct crypto_alg *alg;
829 struct crypto_tfm *tfm; 771 struct crypto_tfm *tfm;
830 772
831 alg = crypto_spawn_alg(spawn); 773 alg = crypto_spawn_alg(spawn);
832 if (IS_ERR(alg)) 774 if (IS_ERR(alg))
833 return ERR_CAST(alg); 775 return ERR_CAST(alg);
834 776
835 tfm = crypto_create_tfm(alg, spawn->fr 777 tfm = crypto_create_tfm(alg, spawn->frontend);
836 if (IS_ERR(tfm)) 778 if (IS_ERR(tfm))
837 goto out_put_alg; 779 goto out_put_alg;
838 780
839 return tfm; 781 return tfm;
840 782
841 out_put_alg: 783 out_put_alg:
842 crypto_mod_put(alg); 784 crypto_mod_put(alg);
843 return tfm; 785 return tfm;
844 } 786 }
845 EXPORT_SYMBOL_GPL(crypto_spawn_tfm2); 787 EXPORT_SYMBOL_GPL(crypto_spawn_tfm2);
846 788
847 int crypto_register_notifier(struct notifier_b 789 int crypto_register_notifier(struct notifier_block *nb)
848 { 790 {
849 return blocking_notifier_chain_registe 791 return blocking_notifier_chain_register(&crypto_chain, nb);
850 } 792 }
851 EXPORT_SYMBOL_GPL(crypto_register_notifier); 793 EXPORT_SYMBOL_GPL(crypto_register_notifier);
852 794
853 int crypto_unregister_notifier(struct notifier 795 int crypto_unregister_notifier(struct notifier_block *nb)
854 { 796 {
855 return blocking_notifier_chain_unregis 797 return blocking_notifier_chain_unregister(&crypto_chain, nb);
856 } 798 }
857 EXPORT_SYMBOL_GPL(crypto_unregister_notifier); 799 EXPORT_SYMBOL_GPL(crypto_unregister_notifier);
858 800
859 struct crypto_attr_type *crypto_get_attr_type( 801 struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb)
860 { 802 {
861 struct rtattr *rta = tb[0]; 803 struct rtattr *rta = tb[0];
862 struct crypto_attr_type *algt; 804 struct crypto_attr_type *algt;
863 805
864 if (!rta) 806 if (!rta)
865 return ERR_PTR(-ENOENT); 807 return ERR_PTR(-ENOENT);
866 if (RTA_PAYLOAD(rta) < sizeof(*algt)) 808 if (RTA_PAYLOAD(rta) < sizeof(*algt))
867 return ERR_PTR(-EINVAL); 809 return ERR_PTR(-EINVAL);
868 if (rta->rta_type != CRYPTOA_TYPE) 810 if (rta->rta_type != CRYPTOA_TYPE)
869 return ERR_PTR(-EINVAL); 811 return ERR_PTR(-EINVAL);
870 812
871 algt = RTA_DATA(rta); 813 algt = RTA_DATA(rta);
872 814
873 return algt; 815 return algt;
874 } 816 }
875 EXPORT_SYMBOL_GPL(crypto_get_attr_type); 817 EXPORT_SYMBOL_GPL(crypto_get_attr_type);
876 818
877 /** !! 819 int crypto_check_attr_type(struct rtattr **tb, u32 type)
878 * crypto_check_attr_type() - check algorithm <<
879 * @tb: the template parameters <<
880 * @type: the algorithm type the template woul <<
881 * @mask_ret: (output) the mask that should be <<
882 * to restrict the flags of any inn <<
883 * <<
884 * Validate that the algorithm type the user r <<
885 * one the template would actually be instanti <<
886 * doing crypto_alloc_shash("cbc(aes)", ...), <<
887 * the "cbc" template creates an "skcipher" al <<
888 * <<
889 * Also compute the mask to use to restrict th <<
890 * <<
891 * Return: 0 on success; -errno on failure <<
892 */ <<
893 int crypto_check_attr_type(struct rtattr **tb, <<
894 { 820 {
895 struct crypto_attr_type *algt; 821 struct crypto_attr_type *algt;
896 822
897 algt = crypto_get_attr_type(tb); 823 algt = crypto_get_attr_type(tb);
898 if (IS_ERR(algt)) 824 if (IS_ERR(algt))
899 return PTR_ERR(algt); 825 return PTR_ERR(algt);
900 826
901 if ((algt->type ^ type) & algt->mask) 827 if ((algt->type ^ type) & algt->mask)
902 return -EINVAL; 828 return -EINVAL;
903 829
904 *mask_ret = crypto_algt_inherited_mask <<
905 return 0; 830 return 0;
906 } 831 }
907 EXPORT_SYMBOL_GPL(crypto_check_attr_type); 832 EXPORT_SYMBOL_GPL(crypto_check_attr_type);
908 833
909 const char *crypto_attr_alg_name(struct rtattr 834 const char *crypto_attr_alg_name(struct rtattr *rta)
910 { 835 {
911 struct crypto_attr_alg *alga; 836 struct crypto_attr_alg *alga;
912 837
913 if (!rta) 838 if (!rta)
914 return ERR_PTR(-ENOENT); 839 return ERR_PTR(-ENOENT);
915 if (RTA_PAYLOAD(rta) < sizeof(*alga)) 840 if (RTA_PAYLOAD(rta) < sizeof(*alga))
916 return ERR_PTR(-EINVAL); 841 return ERR_PTR(-EINVAL);
917 if (rta->rta_type != CRYPTOA_ALG) 842 if (rta->rta_type != CRYPTOA_ALG)
918 return ERR_PTR(-EINVAL); 843 return ERR_PTR(-EINVAL);
919 844
920 alga = RTA_DATA(rta); 845 alga = RTA_DATA(rta);
921 alga->name[CRYPTO_MAX_ALG_NAME - 1] = 846 alga->name[CRYPTO_MAX_ALG_NAME - 1] = 0;
922 847
923 return alga->name; 848 return alga->name;
924 } 849 }
925 EXPORT_SYMBOL_GPL(crypto_attr_alg_name); 850 EXPORT_SYMBOL_GPL(crypto_attr_alg_name);
926 851
>> 852 int crypto_attr_u32(struct rtattr *rta, u32 *num)
>> 853 {
>> 854 struct crypto_attr_u32 *nu32;
>> 855
>> 856 if (!rta)
>> 857 return -ENOENT;
>> 858 if (RTA_PAYLOAD(rta) < sizeof(*nu32))
>> 859 return -EINVAL;
>> 860 if (rta->rta_type != CRYPTOA_U32)
>> 861 return -EINVAL;
>> 862
>> 863 nu32 = RTA_DATA(rta);
>> 864 *num = nu32->num;
>> 865
>> 866 return 0;
>> 867 }
>> 868 EXPORT_SYMBOL_GPL(crypto_attr_u32);
>> 869
927 int crypto_inst_setname(struct crypto_instance 870 int crypto_inst_setname(struct crypto_instance *inst, const char *name,
928 struct crypto_alg *alg 871 struct crypto_alg *alg)
929 { 872 {
930 if (snprintf(inst->alg.cra_name, CRYPT 873 if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", name,
931 alg->cra_name) >= CRYPTO_ 874 alg->cra_name) >= CRYPTO_MAX_ALG_NAME)
932 return -ENAMETOOLONG; 875 return -ENAMETOOLONG;
933 876
934 if (snprintf(inst->alg.cra_driver_name 877 if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s(%s)",
935 name, alg->cra_driver_nam 878 name, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
936 return -ENAMETOOLONG; 879 return -ENAMETOOLONG;
937 880
938 return 0; 881 return 0;
939 } 882 }
940 EXPORT_SYMBOL_GPL(crypto_inst_setname); 883 EXPORT_SYMBOL_GPL(crypto_inst_setname);
941 884
942 void crypto_init_queue(struct crypto_queue *qu 885 void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen)
943 { 886 {
944 INIT_LIST_HEAD(&queue->list); 887 INIT_LIST_HEAD(&queue->list);
945 queue->backlog = &queue->list; 888 queue->backlog = &queue->list;
946 queue->qlen = 0; 889 queue->qlen = 0;
947 queue->max_qlen = max_qlen; 890 queue->max_qlen = max_qlen;
948 } 891 }
949 EXPORT_SYMBOL_GPL(crypto_init_queue); 892 EXPORT_SYMBOL_GPL(crypto_init_queue);
950 893
951 int crypto_enqueue_request(struct crypto_queue 894 int crypto_enqueue_request(struct crypto_queue *queue,
952 struct crypto_async 895 struct crypto_async_request *request)
953 { 896 {
954 int err = -EINPROGRESS; 897 int err = -EINPROGRESS;
955 898
956 if (unlikely(queue->qlen >= queue->max 899 if (unlikely(queue->qlen >= queue->max_qlen)) {
957 if (!(request->flags & CRYPTO_ 900 if (!(request->flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) {
958 err = -ENOSPC; 901 err = -ENOSPC;
959 goto out; 902 goto out;
960 } 903 }
961 err = -EBUSY; 904 err = -EBUSY;
962 if (queue->backlog == &queue-> 905 if (queue->backlog == &queue->list)
963 queue->backlog = &requ 906 queue->backlog = &request->list;
964 } 907 }
965 908
966 queue->qlen++; 909 queue->qlen++;
967 list_add_tail(&request->list, &queue-> 910 list_add_tail(&request->list, &queue->list);
968 911
969 out: 912 out:
970 return err; 913 return err;
971 } 914 }
972 EXPORT_SYMBOL_GPL(crypto_enqueue_request); 915 EXPORT_SYMBOL_GPL(crypto_enqueue_request);
973 916
974 void crypto_enqueue_request_head(struct crypto <<
975 struct crypto <<
976 { <<
977 if (unlikely(queue->qlen >= queue->max <<
978 queue->backlog = queue->backlo <<
979 <<
980 queue->qlen++; <<
981 list_add(&request->list, &queue->list) <<
982 } <<
983 EXPORT_SYMBOL_GPL(crypto_enqueue_request_head) <<
984 <<
985 struct crypto_async_request *crypto_dequeue_re 917 struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue)
986 { 918 {
987 struct list_head *request; 919 struct list_head *request;
988 920
989 if (unlikely(!queue->qlen)) 921 if (unlikely(!queue->qlen))
990 return NULL; 922 return NULL;
991 923
992 queue->qlen--; 924 queue->qlen--;
993 925
994 if (queue->backlog != &queue->list) 926 if (queue->backlog != &queue->list)
995 queue->backlog = queue->backlo 927 queue->backlog = queue->backlog->next;
996 928
997 request = queue->list.next; 929 request = queue->list.next;
998 list_del(request); 930 list_del(request);
999 931
1000 return list_entry(request, struct cry 932 return list_entry(request, struct crypto_async_request, list);
1001 } 933 }
1002 EXPORT_SYMBOL_GPL(crypto_dequeue_request); 934 EXPORT_SYMBOL_GPL(crypto_dequeue_request);
1003 935
1004 static inline void crypto_inc_byte(u8 *a, uns 936 static inline void crypto_inc_byte(u8 *a, unsigned int size)
1005 { 937 {
1006 u8 *b = (a + size); 938 u8 *b = (a + size);
1007 u8 c; 939 u8 c;
1008 940
1009 for (; size; size--) { 941 for (; size; size--) {
1010 c = *--b + 1; 942 c = *--b + 1;
1011 *b = c; 943 *b = c;
1012 if (c) 944 if (c)
1013 break; 945 break;
1014 } 946 }
1015 } 947 }
1016 948
1017 void crypto_inc(u8 *a, unsigned int size) 949 void crypto_inc(u8 *a, unsigned int size)
1018 { 950 {
1019 __be32 *b = (__be32 *)(a + size); 951 __be32 *b = (__be32 *)(a + size);
1020 u32 c; 952 u32 c;
1021 953
1022 if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_ 954 if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) ||
1023 IS_ALIGNED((unsigned long)b, __al 955 IS_ALIGNED((unsigned long)b, __alignof__(*b)))
1024 for (; size >= 4; size -= 4) 956 for (; size >= 4; size -= 4) {
1025 c = be32_to_cpu(*--b) 957 c = be32_to_cpu(*--b) + 1;
1026 *b = cpu_to_be32(c); 958 *b = cpu_to_be32(c);
1027 if (likely(c)) 959 if (likely(c))
1028 return; 960 return;
1029 } 961 }
1030 962
1031 crypto_inc_byte(a, size); 963 crypto_inc_byte(a, size);
1032 } 964 }
1033 EXPORT_SYMBOL_GPL(crypto_inc); 965 EXPORT_SYMBOL_GPL(crypto_inc);
1034 966
>> 967 void __crypto_xor(u8 *dst, const u8 *src1, const u8 *src2, unsigned int len)
>> 968 {
>> 969 int relalign = 0;
>> 970
>> 971 if (!IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)) {
>> 972 int size = sizeof(unsigned long);
>> 973 int d = (((unsigned long)dst ^ (unsigned long)src1) |
>> 974 ((unsigned long)dst ^ (unsigned long)src2)) &
>> 975 (size - 1);
>> 976
>> 977 relalign = d ? 1 << __ffs(d) : size;
>> 978
>> 979 /*
>> 980 * If we care about alignment, process as many bytes as
>> 981 * needed to advance dst and src to values whose alignments
>> 982 * equal their relative alignment. This will allow us to
>> 983 * process the remainder of the input using optimal strides.
>> 984 */
>> 985 while (((unsigned long)dst & (relalign - 1)) && len > 0) {
>> 986 *dst++ = *src1++ ^ *src2++;
>> 987 len--;
>> 988 }
>> 989 }
>> 990
>> 991 while (IS_ENABLED(CONFIG_64BIT) && len >= 8 && !(relalign & 7)) {
>> 992 *(u64 *)dst = *(u64 *)src1 ^ *(u64 *)src2;
>> 993 dst += 8;
>> 994 src1 += 8;
>> 995 src2 += 8;
>> 996 len -= 8;
>> 997 }
>> 998
>> 999 while (len >= 4 && !(relalign & 3)) {
>> 1000 *(u32 *)dst = *(u32 *)src1 ^ *(u32 *)src2;
>> 1001 dst += 4;
>> 1002 src1 += 4;
>> 1003 src2 += 4;
>> 1004 len -= 4;
>> 1005 }
>> 1006
>> 1007 while (len >= 2 && !(relalign & 1)) {
>> 1008 *(u16 *)dst = *(u16 *)src1 ^ *(u16 *)src2;
>> 1009 dst += 2;
>> 1010 src1 += 2;
>> 1011 src2 += 2;
>> 1012 len -= 2;
>> 1013 }
>> 1014
>> 1015 while (len--)
>> 1016 *dst++ = *src1++ ^ *src2++;
>> 1017 }
>> 1018 EXPORT_SYMBOL_GPL(__crypto_xor);
>> 1019
1035 unsigned int crypto_alg_extsize(struct crypto 1020 unsigned int crypto_alg_extsize(struct crypto_alg *alg)
1036 { 1021 {
1037 return alg->cra_ctxsize + 1022 return alg->cra_ctxsize +
1038 (alg->cra_alignmask & ~(crypto 1023 (alg->cra_alignmask & ~(crypto_tfm_ctx_alignment() - 1));
1039 } 1024 }
1040 EXPORT_SYMBOL_GPL(crypto_alg_extsize); 1025 EXPORT_SYMBOL_GPL(crypto_alg_extsize);
1041 1026
1042 int crypto_type_has_alg(const char *name, con 1027 int crypto_type_has_alg(const char *name, const struct crypto_type *frontend,
1043 u32 type, u32 mask) 1028 u32 type, u32 mask)
1044 { 1029 {
1045 int ret = 0; 1030 int ret = 0;
1046 struct crypto_alg *alg = crypto_find_ 1031 struct crypto_alg *alg = crypto_find_alg(name, frontend, type, mask);
1047 1032
1048 if (!IS_ERR(alg)) { 1033 if (!IS_ERR(alg)) {
1049 crypto_mod_put(alg); 1034 crypto_mod_put(alg);
1050 ret = 1; 1035 ret = 1;
1051 } 1036 }
1052 1037
1053 return ret; 1038 return ret;
1054 } 1039 }
1055 EXPORT_SYMBOL_GPL(crypto_type_has_alg); 1040 EXPORT_SYMBOL_GPL(crypto_type_has_alg);
1056 1041
1057 static void __init crypto_start_tests(void) !! 1042 #ifdef CONFIG_CRYPTO_STATS
>> 1043 void crypto_stats_init(struct crypto_alg *alg)
1058 { 1044 {
1059 if (!IS_BUILTIN(CONFIG_CRYPTO_ALGAPI) !! 1045 memset(&alg->stats, 0, sizeof(alg->stats));
1060 return; !! 1046 }
>> 1047 EXPORT_SYMBOL_GPL(crypto_stats_init);
1061 1048
1062 if (IS_ENABLED(CONFIG_CRYPTO_MANAGER_ !! 1049 void crypto_stats_get(struct crypto_alg *alg)
1063 return; !! 1050 {
>> 1051 crypto_alg_get(alg);
>> 1052 }
>> 1053 EXPORT_SYMBOL_GPL(crypto_stats_get);
1064 1054
1065 for (;;) { !! 1055 void crypto_stats_aead_encrypt(unsigned int cryptlen, struct crypto_alg *alg,
1066 struct crypto_larval *larval !! 1056 int ret)
1067 struct crypto_alg *q; !! 1057 {
>> 1058 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1059 atomic64_inc(&alg->stats.aead.err_cnt);
>> 1060 } else {
>> 1061 atomic64_inc(&alg->stats.aead.encrypt_cnt);
>> 1062 atomic64_add(cryptlen, &alg->stats.aead.encrypt_tlen);
>> 1063 }
>> 1064 crypto_alg_put(alg);
>> 1065 }
>> 1066 EXPORT_SYMBOL_GPL(crypto_stats_aead_encrypt);
1068 1067
1069 down_write(&crypto_alg_sem); !! 1068 void crypto_stats_aead_decrypt(unsigned int cryptlen, struct crypto_alg *alg,
>> 1069 int ret)
>> 1070 {
>> 1071 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1072 atomic64_inc(&alg->stats.aead.err_cnt);
>> 1073 } else {
>> 1074 atomic64_inc(&alg->stats.aead.decrypt_cnt);
>> 1075 atomic64_add(cryptlen, &alg->stats.aead.decrypt_tlen);
>> 1076 }
>> 1077 crypto_alg_put(alg);
>> 1078 }
>> 1079 EXPORT_SYMBOL_GPL(crypto_stats_aead_decrypt);
1070 1080
1071 list_for_each_entry(q, &crypt !! 1081 void crypto_stats_akcipher_encrypt(unsigned int src_len, int ret,
1072 struct crypto_larval !! 1082 struct crypto_alg *alg)
>> 1083 {
>> 1084 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1085 atomic64_inc(&alg->stats.akcipher.err_cnt);
>> 1086 } else {
>> 1087 atomic64_inc(&alg->stats.akcipher.encrypt_cnt);
>> 1088 atomic64_add(src_len, &alg->stats.akcipher.encrypt_tlen);
>> 1089 }
>> 1090 crypto_alg_put(alg);
>> 1091 }
>> 1092 EXPORT_SYMBOL_GPL(crypto_stats_akcipher_encrypt);
1073 1093
1074 if (!crypto_is_larval !! 1094 void crypto_stats_akcipher_decrypt(unsigned int src_len, int ret,
1075 continue; !! 1095 struct crypto_alg *alg)
>> 1096 {
>> 1097 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1098 atomic64_inc(&alg->stats.akcipher.err_cnt);
>> 1099 } else {
>> 1100 atomic64_inc(&alg->stats.akcipher.decrypt_cnt);
>> 1101 atomic64_add(src_len, &alg->stats.akcipher.decrypt_tlen);
>> 1102 }
>> 1103 crypto_alg_put(alg);
>> 1104 }
>> 1105 EXPORT_SYMBOL_GPL(crypto_stats_akcipher_decrypt);
1076 1106
1077 l = (void *)q; !! 1107 void crypto_stats_akcipher_sign(int ret, struct crypto_alg *alg)
>> 1108 {
>> 1109 if (ret && ret != -EINPROGRESS && ret != -EBUSY)
>> 1110 atomic64_inc(&alg->stats.akcipher.err_cnt);
>> 1111 else
>> 1112 atomic64_inc(&alg->stats.akcipher.sign_cnt);
>> 1113 crypto_alg_put(alg);
>> 1114 }
>> 1115 EXPORT_SYMBOL_GPL(crypto_stats_akcipher_sign);
1078 1116
1079 if (!crypto_is_test_l !! 1117 void crypto_stats_akcipher_verify(int ret, struct crypto_alg *alg)
1080 continue; !! 1118 {
>> 1119 if (ret && ret != -EINPROGRESS && ret != -EBUSY)
>> 1120 atomic64_inc(&alg->stats.akcipher.err_cnt);
>> 1121 else
>> 1122 atomic64_inc(&alg->stats.akcipher.verify_cnt);
>> 1123 crypto_alg_put(alg);
>> 1124 }
>> 1125 EXPORT_SYMBOL_GPL(crypto_stats_akcipher_verify);
1081 1126
1082 if (l->test_started) !! 1127 void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg)
1083 continue; !! 1128 {
>> 1129 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1130 atomic64_inc(&alg->stats.compress.err_cnt);
>> 1131 } else {
>> 1132 atomic64_inc(&alg->stats.compress.compress_cnt);
>> 1133 atomic64_add(slen, &alg->stats.compress.compress_tlen);
>> 1134 }
>> 1135 crypto_alg_put(alg);
>> 1136 }
>> 1137 EXPORT_SYMBOL_GPL(crypto_stats_compress);
1084 1138
1085 l->test_started = tru !! 1139 void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg)
1086 larval = l; !! 1140 {
1087 break; !! 1141 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
1088 } !! 1142 atomic64_inc(&alg->stats.compress.err_cnt);
>> 1143 } else {
>> 1144 atomic64_inc(&alg->stats.compress.decompress_cnt);
>> 1145 atomic64_add(slen, &alg->stats.compress.decompress_tlen);
>> 1146 }
>> 1147 crypto_alg_put(alg);
>> 1148 }
>> 1149 EXPORT_SYMBOL_GPL(crypto_stats_decompress);
1089 1150
1090 up_write(&crypto_alg_sem); !! 1151 void crypto_stats_ahash_update(unsigned int nbytes, int ret,
>> 1152 struct crypto_alg *alg)
>> 1153 {
>> 1154 if (ret && ret != -EINPROGRESS && ret != -EBUSY)
>> 1155 atomic64_inc(&alg->stats.hash.err_cnt);
>> 1156 else
>> 1157 atomic64_add(nbytes, &alg->stats.hash.hash_tlen);
>> 1158 crypto_alg_put(alg);
>> 1159 }
>> 1160 EXPORT_SYMBOL_GPL(crypto_stats_ahash_update);
1091 1161
1092 if (!larval) !! 1162 void crypto_stats_ahash_final(unsigned int nbytes, int ret,
1093 break; !! 1163 struct crypto_alg *alg)
>> 1164 {
>> 1165 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1166 atomic64_inc(&alg->stats.hash.err_cnt);
>> 1167 } else {
>> 1168 atomic64_inc(&alg->stats.hash.hash_cnt);
>> 1169 atomic64_add(nbytes, &alg->stats.hash.hash_tlen);
>> 1170 }
>> 1171 crypto_alg_put(alg);
>> 1172 }
>> 1173 EXPORT_SYMBOL_GPL(crypto_stats_ahash_final);
>> 1174
>> 1175 void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret)
>> 1176 {
>> 1177 if (ret)
>> 1178 atomic64_inc(&alg->stats.kpp.err_cnt);
>> 1179 else
>> 1180 atomic64_inc(&alg->stats.kpp.setsecret_cnt);
>> 1181 crypto_alg_put(alg);
>> 1182 }
>> 1183 EXPORT_SYMBOL_GPL(crypto_stats_kpp_set_secret);
>> 1184
>> 1185 void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret)
>> 1186 {
>> 1187 if (ret)
>> 1188 atomic64_inc(&alg->stats.kpp.err_cnt);
>> 1189 else
>> 1190 atomic64_inc(&alg->stats.kpp.generate_public_key_cnt);
>> 1191 crypto_alg_put(alg);
>> 1192 }
>> 1193 EXPORT_SYMBOL_GPL(crypto_stats_kpp_generate_public_key);
>> 1194
>> 1195 void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret)
>> 1196 {
>> 1197 if (ret)
>> 1198 atomic64_inc(&alg->stats.kpp.err_cnt);
>> 1199 else
>> 1200 atomic64_inc(&alg->stats.kpp.compute_shared_secret_cnt);
>> 1201 crypto_alg_put(alg);
>> 1202 }
>> 1203 EXPORT_SYMBOL_GPL(crypto_stats_kpp_compute_shared_secret);
>> 1204
>> 1205 void crypto_stats_rng_seed(struct crypto_alg *alg, int ret)
>> 1206 {
>> 1207 if (ret && ret != -EINPROGRESS && ret != -EBUSY)
>> 1208 atomic64_inc(&alg->stats.rng.err_cnt);
>> 1209 else
>> 1210 atomic64_inc(&alg->stats.rng.seed_cnt);
>> 1211 crypto_alg_put(alg);
>> 1212 }
>> 1213 EXPORT_SYMBOL_GPL(crypto_stats_rng_seed);
>> 1214
>> 1215 void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen,
>> 1216 int ret)
>> 1217 {
>> 1218 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1219 atomic64_inc(&alg->stats.rng.err_cnt);
>> 1220 } else {
>> 1221 atomic64_inc(&alg->stats.rng.generate_cnt);
>> 1222 atomic64_add(dlen, &alg->stats.rng.generate_tlen);
>> 1223 }
>> 1224 crypto_alg_put(alg);
>> 1225 }
>> 1226 EXPORT_SYMBOL_GPL(crypto_stats_rng_generate);
1094 1227
1095 crypto_wait_for_test(larval); !! 1228 void crypto_stats_skcipher_encrypt(unsigned int cryptlen, int ret,
>> 1229 struct crypto_alg *alg)
>> 1230 {
>> 1231 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1232 atomic64_inc(&alg->stats.cipher.err_cnt);
>> 1233 } else {
>> 1234 atomic64_inc(&alg->stats.cipher.encrypt_cnt);
>> 1235 atomic64_add(cryptlen, &alg->stats.cipher.encrypt_tlen);
1096 } 1236 }
>> 1237 crypto_alg_put(alg);
>> 1238 }
>> 1239 EXPORT_SYMBOL_GPL(crypto_stats_skcipher_encrypt);
1097 1240
1098 set_crypto_boot_test_finished(); !! 1241 void crypto_stats_skcipher_decrypt(unsigned int cryptlen, int ret,
>> 1242 struct crypto_alg *alg)
>> 1243 {
>> 1244 if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
>> 1245 atomic64_inc(&alg->stats.cipher.err_cnt);
>> 1246 } else {
>> 1247 atomic64_inc(&alg->stats.cipher.decrypt_cnt);
>> 1248 atomic64_add(cryptlen, &alg->stats.cipher.decrypt_tlen);
>> 1249 }
>> 1250 crypto_alg_put(alg);
1099 } 1251 }
>> 1252 EXPORT_SYMBOL_GPL(crypto_stats_skcipher_decrypt);
>> 1253 #endif
1100 1254
1101 static int __init crypto_algapi_init(void) 1255 static int __init crypto_algapi_init(void)
1102 { 1256 {
1103 crypto_init_proc(); 1257 crypto_init_proc();
1104 crypto_start_tests(); <<
1105 return 0; 1258 return 0;
1106 } 1259 }
1107 1260
1108 static void __exit crypto_algapi_exit(void) 1261 static void __exit crypto_algapi_exit(void)
1109 { 1262 {
1110 crypto_exit_proc(); 1263 crypto_exit_proc();
1111 } 1264 }
1112 1265
1113 /* !! 1266 module_init(crypto_algapi_init);
1114 * We run this at late_initcall so that all t <<
1115 * have had a chance to register themselves f <<
1116 */ <<
1117 late_initcall(crypto_algapi_init); <<
1118 module_exit(crypto_algapi_exit); 1267 module_exit(crypto_algapi_exit);
1119 1268
1120 MODULE_LICENSE("GPL"); 1269 MODULE_LICENSE("GPL");
1121 MODULE_DESCRIPTION("Cryptographic algorithms 1270 MODULE_DESCRIPTION("Cryptographic algorithms API");
1122 MODULE_SOFTDEP("pre: cryptomgr"); <<
1123 1271
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