Lines Matching refs:alg
38 static int crypto_check_alg(struct crypto_alg *alg) in crypto_check_alg() argument
40 crypto_check_module_sig(alg->cra_module); in crypto_check_alg()
42 if (!alg->cra_name[0] || !alg->cra_driver_name[0]) in crypto_check_alg()
45 if (alg->cra_alignmask & (alg->cra_alignmask + 1)) in crypto_check_alg()
49 if (alg->cra_alignmask > MAX_ALGAPI_ALIGNMASK) in crypto_check_alg()
52 if (alg->cra_blocksize > MAX_ALGAPI_BLOCKSIZE) in crypto_check_alg()
56 if (!alg->cra_type && (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == in crypto_check_alg()
58 if (alg->cra_alignmask > MAX_CIPHER_ALIGNMASK) in crypto_check_alg()
61 if (alg->cra_blocksize > MAX_CIPHER_BLOCKSIZE) in crypto_check_alg()
65 if (alg->cra_priority < 0) in crypto_check_alg()
68 refcount_set(&alg->cra_refcnt, 1); in crypto_check_alg()
75 inst->alg.cra_type->free(inst); in crypto_free_instance()
88 static void crypto_destroy_instance(struct crypto_alg *alg) in crypto_destroy_instance() argument
90 struct crypto_instance *inst = container_of(alg, in crypto_destroy_instance()
92 alg); in crypto_destroy_instance()
107 static struct list_head *crypto_more_spawns(struct crypto_alg *alg, in crypto_more_spawns() argument
128 return &n->inst->alg.cra_users; in crypto_more_spawns()
136 if (crypto_is_dead(&inst->alg)) in crypto_remove_instance()
139 inst->alg.cra_flags |= CRYPTO_ALG_DEAD; in crypto_remove_instance()
144 list_move(&inst->alg.cra_list, list); in crypto_remove_instance()
146 inst->alg.cra_destroy = crypto_destroy_instance; in crypto_remove_instance()
148 BUG_ON(!list_empty(&inst->alg.cra_users)); in crypto_remove_instance()
157 void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list, in crypto_remove_spawns() argument
160 u32 new_type = (nalg ?: alg)->cra_flags; in crypto_remove_spawns()
167 spawns = &alg->cra_users; in crypto_remove_spawns()
169 if ((spawn->alg->cra_flags ^ new_type) & spawn->mask) in crypto_remove_spawns()
190 spawn->dead = !spawn->registered || &inst->alg != nalg; in crypto_remove_spawns()
195 BUG_ON(&inst->alg == alg); in crypto_remove_spawns()
197 if (&inst->alg == nalg) in crypto_remove_spawns()
200 spawns = &inst->alg.cra_users; in crypto_remove_spawns()
220 } while ((spawns = crypto_more_spawns(alg, &stack, &top, in crypto_remove_spawns()
230 list_move(&spawn->list, &spawn->alg->cra_users); in crypto_remove_spawns()
237 static void crypto_alg_finish_registration(struct crypto_alg *alg, in crypto_alg_finish_registration() argument
244 if (q == alg) in crypto_alg_finish_registration()
258 if (strcmp(alg->cra_name, q->cra_name) && in crypto_alg_finish_registration()
259 strcmp(alg->cra_driver_name, q->cra_name)) in crypto_alg_finish_registration()
264 if ((q->cra_flags ^ alg->cra_flags) & larval->mask) in crypto_alg_finish_registration()
267 if (fulfill_requests && crypto_mod_get(alg)) in crypto_alg_finish_registration()
268 larval->adult = alg; in crypto_alg_finish_registration()
275 if (strcmp(alg->cra_name, q->cra_name)) in crypto_alg_finish_registration()
278 if (strcmp(alg->cra_driver_name, q->cra_driver_name) && in crypto_alg_finish_registration()
279 q->cra_priority > alg->cra_priority) in crypto_alg_finish_registration()
282 crypto_remove_spawns(q, algs_to_put, alg); in crypto_alg_finish_registration()
285 crypto_notify(CRYPTO_MSG_ALG_LOADED, alg); in crypto_alg_finish_registration()
288 static struct crypto_larval *crypto_alloc_test_larval(struct crypto_alg *alg) in crypto_alloc_test_larval() argument
294 (alg->cra_flags & CRYPTO_ALG_INTERNAL)) in crypto_alloc_test_larval()
297 larval = crypto_larval_alloc(alg->cra_name, in crypto_alloc_test_larval()
298 alg->cra_flags | CRYPTO_ALG_TESTED, 0); in crypto_alloc_test_larval()
302 larval->adult = crypto_mod_get(alg); in crypto_alloc_test_larval()
308 refcount_set(&larval->alg.cra_refcnt, 1); in crypto_alloc_test_larval()
309 memcpy(larval->alg.cra_driver_name, alg->cra_driver_name, in crypto_alloc_test_larval()
311 larval->alg.cra_priority = alg->cra_priority; in crypto_alloc_test_larval()
317 __crypto_register_alg(struct crypto_alg *alg, struct list_head *algs_to_put) in __crypto_register_alg() argument
323 if (crypto_is_dead(alg)) in __crypto_register_alg()
326 INIT_LIST_HEAD(&alg->cra_users); in __crypto_register_alg()
331 if (q == alg) in __crypto_register_alg()
338 if (!strcmp(alg->cra_driver_name, q->cra_driver_name)) in __crypto_register_alg()
343 if (!strcmp(q->cra_driver_name, alg->cra_name) || in __crypto_register_alg()
344 !strcmp(q->cra_name, alg->cra_driver_name)) in __crypto_register_alg()
348 larval = crypto_alloc_test_larval(alg); in __crypto_register_alg()
352 list_add(&alg->cra_list, &crypto_alg_list); in __crypto_register_alg()
356 alg->cra_flags &= ~CRYPTO_ALG_TESTED; in __crypto_register_alg()
358 list_add(&larval->alg.cra_list, &crypto_alg_list); in __crypto_register_alg()
360 alg->cra_flags |= CRYPTO_ALG_TESTED; in __crypto_register_alg()
361 crypto_alg_finish_registration(alg, true, algs_to_put); in __crypto_register_alg()
375 struct crypto_alg *alg; in crypto_alg_tested() local
396 alg = test->adult; in crypto_alg_tested()
398 if (list_empty(&alg->cra_list)) in crypto_alg_tested()
402 alg->cra_flags |= CRYPTO_ALG_FIPS_INTERNAL; in crypto_alg_tested()
406 alg->cra_flags &= ~CRYPTO_ALG_FIPS_INTERNAL; in crypto_alg_tested()
408 alg->cra_flags |= CRYPTO_ALG_TESTED; in crypto_alg_tested()
419 if (strcmp(alg->cra_name, q->cra_name)) in crypto_alg_tested()
422 if (q->cra_priority > alg->cra_priority) { in crypto_alg_tested()
428 crypto_alg_finish_registration(alg, best, &list); in crypto_alg_tested()
442 struct crypto_alg *alg; in crypto_remove_final() local
445 list_for_each_entry_safe(alg, n, list, cra_list) { in crypto_remove_final()
446 list_del_init(&alg->cra_list); in crypto_remove_final()
447 crypto_alg_put(alg); in crypto_remove_final()
452 int crypto_register_alg(struct crypto_alg *alg) in crypto_register_alg() argument
459 alg->cra_flags &= ~CRYPTO_ALG_DEAD; in crypto_register_alg()
460 err = crypto_check_alg(alg); in crypto_register_alg()
465 larval = __crypto_register_alg(alg, &algs_to_put); in crypto_register_alg()
481 static int crypto_remove_alg(struct crypto_alg *alg, struct list_head *list) in crypto_remove_alg() argument
483 if (unlikely(list_empty(&alg->cra_list))) in crypto_remove_alg()
486 alg->cra_flags |= CRYPTO_ALG_DEAD; in crypto_remove_alg()
488 list_del_init(&alg->cra_list); in crypto_remove_alg()
489 crypto_remove_spawns(alg, list, NULL); in crypto_remove_alg()
494 void crypto_unregister_alg(struct crypto_alg *alg) in crypto_unregister_alg() argument
500 ret = crypto_remove_alg(alg, &list); in crypto_unregister_alg()
503 if (WARN(ret, "Algorithm %s is not registered", alg->cra_driver_name)) in crypto_unregister_alg()
506 if (WARN_ON(refcount_read(&alg->cra_refcnt) != 1)) in crypto_unregister_alg()
509 if (alg->cra_destroy) in crypto_unregister_alg()
510 alg->cra_destroy(alg); in crypto_unregister_alg()
599 int err = crypto_remove_alg(&inst->alg, &users); in crypto_unregister_template()
607 BUG_ON(refcount_read(&inst->alg.cra_refcnt) != 1); in crypto_unregister_template()
658 err = crypto_check_alg(&inst->alg); in crypto_register_instance()
662 inst->alg.cra_module = tmpl->module; in crypto_register_instance()
663 inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE; in crypto_register_instance()
678 fips_internal |= spawn->alg->cra_flags; in crypto_register_instance()
680 crypto_mod_put(spawn->alg); in crypto_register_instance()
685 inst->alg.cra_flags |= (fips_internal & CRYPTO_ALG_FIPS_INTERNAL); in crypto_register_instance()
687 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 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 name, 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()