Lines Matching refs:alg
32 static int crypto_check_alg(struct crypto_alg *alg) in crypto_check_alg() argument
34 crypto_check_module_sig(alg->cra_module); in crypto_check_alg()
36 if (!alg->cra_name[0] || !alg->cra_driver_name[0]) in crypto_check_alg()
39 if (alg->cra_alignmask & (alg->cra_alignmask + 1)) in crypto_check_alg()
43 if (alg->cra_alignmask > MAX_ALGAPI_ALIGNMASK) in crypto_check_alg()
46 if (alg->cra_blocksize > MAX_ALGAPI_BLOCKSIZE) in crypto_check_alg()
50 if (!alg->cra_type && (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == in crypto_check_alg()
52 if (alg->cra_alignmask > MAX_CIPHER_ALIGNMASK) in crypto_check_alg()
55 if (alg->cra_blocksize > MAX_CIPHER_BLOCKSIZE) in crypto_check_alg()
59 if (alg->cra_priority < 0) in crypto_check_alg()
62 refcount_set(&alg->cra_refcnt, 1); in crypto_check_alg()
69 inst->alg.cra_type->free(inst); in crypto_free_instance()
82 if (refcount_read(&inst->alg.cra_refcnt) != -1) in crypto_destroy_instance_workfn()
93 static void crypto_destroy_instance(struct crypto_alg *alg) in crypto_destroy_instance() argument
95 struct crypto_instance *inst = container_of(alg, in crypto_destroy_instance()
97 alg); in crypto_destroy_instance()
100 refcount_set(&alg->cra_refcnt, -1); in crypto_destroy_instance()
113 static struct list_head *crypto_more_spawns(struct crypto_alg *alg, in crypto_more_spawns() argument
134 return &n->inst->alg.cra_users; in crypto_more_spawns()
142 if (crypto_is_dead(&inst->alg)) in crypto_remove_instance()
145 inst->alg.cra_flags |= CRYPTO_ALG_DEAD; in crypto_remove_instance()
150 list_del_init(&inst->alg.cra_list); in crypto_remove_instance()
154 BUG_ON(!list_empty(&inst->alg.cra_users)); in crypto_remove_instance()
156 crypto_alg_put(&inst->alg); in crypto_remove_instance()
165 void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list, in crypto_remove_spawns() argument
168 u32 new_type = (nalg ?: alg)->cra_flags; in crypto_remove_spawns()
175 spawns = &alg->cra_users; in crypto_remove_spawns()
177 if ((spawn->alg->cra_flags ^ new_type) & spawn->mask) in crypto_remove_spawns()
198 spawn->dead = !spawn->registered || &inst->alg != nalg; in crypto_remove_spawns()
203 BUG_ON(&inst->alg == alg); in crypto_remove_spawns()
205 if (&inst->alg == nalg) in crypto_remove_spawns()
208 spawns = &inst->alg.cra_users; in crypto_remove_spawns()
228 } while ((spawns = crypto_more_spawns(alg, &stack, &top, in crypto_remove_spawns()
238 list_move(&spawn->list, &spawn->alg->cra_users); in crypto_remove_spawns()
245 static void crypto_alg_finish_registration(struct crypto_alg *alg, in crypto_alg_finish_registration() argument
251 if (q == alg) in crypto_alg_finish_registration()
260 if (strcmp(alg->cra_name, q->cra_name)) in crypto_alg_finish_registration()
263 if (strcmp(alg->cra_driver_name, q->cra_driver_name) && in crypto_alg_finish_registration()
264 q->cra_priority > alg->cra_priority) in crypto_alg_finish_registration()
267 crypto_remove_spawns(q, algs_to_put, alg); in crypto_alg_finish_registration()
270 crypto_notify(CRYPTO_MSG_ALG_LOADED, alg); in crypto_alg_finish_registration()
273 static struct crypto_larval *crypto_alloc_test_larval(struct crypto_alg *alg) in crypto_alloc_test_larval() argument
278 (alg->cra_flags & CRYPTO_ALG_INTERNAL)) in crypto_alloc_test_larval()
281 larval = crypto_larval_alloc(alg->cra_name, in crypto_alloc_test_larval()
282 alg->cra_flags | CRYPTO_ALG_TESTED, 0); in crypto_alloc_test_larval()
286 larval->adult = crypto_mod_get(alg); in crypto_alloc_test_larval()
292 refcount_set(&larval->alg.cra_refcnt, 1); in crypto_alloc_test_larval()
293 memcpy(larval->alg.cra_driver_name, alg->cra_driver_name, in crypto_alloc_test_larval()
295 larval->alg.cra_priority = alg->cra_priority; in crypto_alloc_test_larval()
301 __crypto_register_alg(struct crypto_alg *alg, struct list_head *algs_to_put) in __crypto_register_alg() argument
307 if (crypto_is_dead(alg)) in __crypto_register_alg()
310 INIT_LIST_HEAD(&alg->cra_users); in __crypto_register_alg()
315 if (q == alg) in __crypto_register_alg()
322 if (!strcmp(alg->cra_driver_name, q->cra_driver_name)) in __crypto_register_alg()
327 if (!strcmp(q->cra_driver_name, alg->cra_name) || in __crypto_register_alg()
328 !strcmp(q->cra_driver_name, alg->cra_driver_name) || in __crypto_register_alg()
329 !strcmp(q->cra_name, alg->cra_driver_name)) in __crypto_register_alg()
333 larval = crypto_alloc_test_larval(alg); in __crypto_register_alg()
337 list_add(&alg->cra_list, &crypto_alg_list); in __crypto_register_alg()
341 alg->cra_flags &= ~CRYPTO_ALG_TESTED; in __crypto_register_alg()
343 list_add(&larval->alg.cra_list, &crypto_alg_list); in __crypto_register_alg()
345 alg->cra_flags |= CRYPTO_ALG_TESTED; in __crypto_register_alg()
346 crypto_alg_finish_registration(alg, algs_to_put); in __crypto_register_alg()
360 struct crypto_alg *alg; in crypto_alg_tested() local
381 alg = test->adult; in crypto_alg_tested()
383 if (crypto_is_dead(alg)) in crypto_alg_tested()
387 alg->cra_flags |= CRYPTO_ALG_FIPS_INTERNAL; in crypto_alg_tested()
391 alg->cra_flags &= ~CRYPTO_ALG_FIPS_INTERNAL; in crypto_alg_tested()
393 alg->cra_flags |= CRYPTO_ALG_TESTED; in crypto_alg_tested()
395 crypto_alg_finish_registration(alg, &list); in crypto_alg_tested()
398 list_del_init(&test->alg.cra_list); in crypto_alg_tested()
403 crypto_alg_put(&test->alg); in crypto_alg_tested()
410 struct crypto_alg *alg; in crypto_remove_final() local
413 list_for_each_entry_safe(alg, n, list, cra_list) { in crypto_remove_final()
414 list_del_init(&alg->cra_list); in crypto_remove_final()
415 crypto_alg_put(alg); in crypto_remove_final()
420 static void crypto_free_alg(struct crypto_alg *alg) in crypto_free_alg() argument
422 unsigned int algsize = alg->cra_type->algsize; in crypto_free_alg()
423 u8 *p = (u8 *)alg - algsize; in crypto_free_alg()
425 crypto_destroy_alg(alg); in crypto_free_alg()
429 int crypto_register_alg(struct crypto_alg *alg) in crypto_register_alg() argument
436 alg->cra_flags &= ~CRYPTO_ALG_DEAD; in crypto_register_alg()
437 err = crypto_check_alg(alg); in crypto_register_alg()
441 if (alg->cra_flags & CRYPTO_ALG_DUP_FIRST && in crypto_register_alg()
442 !WARN_ON_ONCE(alg->cra_destroy)) { in crypto_register_alg()
443 unsigned int algsize = alg->cra_type->algsize; in crypto_register_alg()
444 u8 *p = (u8 *)alg - algsize; in crypto_register_alg()
446 p = kmemdup(p, algsize + sizeof(*alg), GFP_KERNEL); in crypto_register_alg()
450 alg = (void *)(p + algsize); in crypto_register_alg()
451 alg->cra_destroy = crypto_free_alg; in crypto_register_alg()
455 larval = __crypto_register_alg(alg, &algs_to_put); in crypto_register_alg()
463 crypto_alg_put(alg); in crypto_register_alg()
476 static int crypto_remove_alg(struct crypto_alg *alg, struct list_head *list) in crypto_remove_alg() argument
478 if (unlikely(list_empty(&alg->cra_list))) in crypto_remove_alg()
481 alg->cra_flags |= CRYPTO_ALG_DEAD; in crypto_remove_alg()
483 list_del_init(&alg->cra_list); in crypto_remove_alg()
484 crypto_remove_spawns(alg, list, NULL); in crypto_remove_alg()
489 void crypto_unregister_alg(struct crypto_alg *alg) in crypto_unregister_alg() argument
495 ret = crypto_remove_alg(alg, &list); in crypto_unregister_alg()
498 if (WARN(ret, "Algorithm %s is not registered", alg->cra_driver_name)) in crypto_unregister_alg()
501 WARN_ON(!alg->cra_destroy && refcount_read(&alg->cra_refcnt) != 1); in crypto_unregister_alg()
503 list_add(&alg->cra_list, &list); in crypto_unregister_alg()
593 int err = crypto_remove_alg(&inst->alg, &users); in crypto_unregister_template()
601 BUG_ON(refcount_read(&inst->alg.cra_refcnt) != 1); in crypto_unregister_template()
654 err = crypto_check_alg(&inst->alg); in crypto_register_instance()
658 inst->alg.cra_module = tmpl->module; in crypto_register_instance()
659 inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE; in crypto_register_instance()
660 inst->alg.cra_destroy = crypto_destroy_instance; in crypto_register_instance()
675 fips_internal |= spawn->alg->cra_flags; in crypto_register_instance()
677 crypto_mod_put(spawn->alg); in crypto_register_instance()
682 inst->alg.cra_flags |= (fips_internal & CRYPTO_ALG_FIPS_INTERNAL); in crypto_register_instance()
684 larval = __crypto_register_alg(&inst->alg, &algs_to_put); in crypto_register_instance()
714 crypto_remove_spawns(&inst->alg, &list, NULL); in crypto_unregister_instance()
726 struct crypto_alg *alg; in crypto_grab_spawn() local
736 alg = crypto_find_alg(name, spawn->frontend, in crypto_grab_spawn()
738 if (IS_ERR(alg)) in crypto_grab_spawn()
739 return PTR_ERR(alg); in crypto_grab_spawn()
742 if (!crypto_is_moribund(alg)) { in crypto_grab_spawn()
743 list_add(&spawn->list, &alg->cra_users); in crypto_grab_spawn()
744 spawn->alg = alg; in crypto_grab_spawn()
748 inst->alg.cra_flags |= in crypto_grab_spawn()
749 (alg->cra_flags & CRYPTO_ALG_INHERITED_FLAGS); in crypto_grab_spawn()
754 crypto_mod_put(alg); in crypto_grab_spawn()
761 if (!spawn->alg) /* not yet initialized? */ in crypto_drop_spawn()
770 crypto_mod_put(spawn->alg); in crypto_drop_spawn()
776 struct crypto_alg *alg = ERR_PTR(-EAGAIN); in crypto_spawn_alg() local
782 alg = spawn->alg; in crypto_spawn_alg()
783 if (!crypto_mod_get(alg)) { in crypto_spawn_alg()
784 target = crypto_alg_get(alg); in crypto_spawn_alg()
786 alg = ERR_PTR(-EAGAIN); in crypto_spawn_alg()
796 return alg; in crypto_spawn_alg()
802 struct crypto_alg *alg; in crypto_spawn_tfm() local
805 alg = crypto_spawn_alg(spawn); in crypto_spawn_tfm()
806 if (IS_ERR(alg)) in crypto_spawn_tfm()
807 return ERR_CAST(alg); in crypto_spawn_tfm()
810 if (unlikely((alg->cra_flags ^ type) & mask)) in crypto_spawn_tfm()
813 tfm = __crypto_alloc_tfm(alg, type, mask); in crypto_spawn_tfm()
820 crypto_mod_put(alg); in crypto_spawn_tfm()
827 struct crypto_alg *alg; in crypto_spawn_tfm2() local
830 alg = crypto_spawn_alg(spawn); in crypto_spawn_tfm2()
831 if (IS_ERR(alg)) in crypto_spawn_tfm2()
832 return ERR_CAST(alg); in crypto_spawn_tfm2()
834 tfm = crypto_create_tfm(alg, spawn->frontend); in crypto_spawn_tfm2()
841 crypto_mod_put(alg); in crypto_spawn_tfm2()
927 const char *driver, struct crypto_alg *alg) in __crypto_inst_setname() argument
929 if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", name, in __crypto_inst_setname()
930 alg->cra_name) >= CRYPTO_MAX_ALG_NAME) in __crypto_inst_setname()
933 if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", in __crypto_inst_setname()
934 driver, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME) in __crypto_inst_setname()
1034 unsigned int crypto_alg_extsize(struct crypto_alg *alg) in crypto_alg_extsize() argument
1036 return alg->cra_ctxsize + in crypto_alg_extsize()
1037 (alg->cra_alignmask & ~(crypto_tfm_ctx_alignment() - 1)); in crypto_alg_extsize()
1045 struct crypto_alg *alg = crypto_find_alg(name, frontend, type, mask); in crypto_type_has_alg() local
1047 if (!IS_ERR(alg)) { in crypto_type_has_alg()
1048 crypto_mod_put(alg); in crypto_type_has_alg()