2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
10 #include <openssl/core.h>
11 #include <openssl/core_numbers.h>
12 #include <openssl/core_names.h>
13 #include <openssl/params.h>
14 #include <openssl/opensslv.h>
15 #include "internal/cryptlib_int.h"
16 #include "internal/nelem.h"
17 #include "internal/thread_once.h"
18 #include "internal/provider.h"
19 #include "internal/refcount.h"
20 #include "provider_local.h"
22 static OSSL_PROVIDER *provider_new(const char *name,
23 OSSL_provider_init_fn *init_function);
26 * Provider Object structure
27 * =========================
34 DEFINE_STACK_OF(INFOPAIR)
36 struct provider_store_st; /* Forward declaration */
38 struct ossl_provider_st {
40 unsigned int flag_initialized:1;
41 unsigned int flag_fallback:1;
43 /* OpenSSL library side data */
44 CRYPTO_REF_COUNT refcnt;
45 CRYPTO_RWLOCK *refcnt_lock; /* For the ref counter */
49 OSSL_provider_init_fn *init_function;
50 STACK_OF(INFOPAIR) *parameters;
51 OPENSSL_CTX *libctx; /* The library context this instance is in */
52 struct provider_store_st *store; /* The store this instance belongs to */
55 * In the FIPS module inner provider, this isn't needed, since the
56 * error upcalls are always direct calls to the outer provider.
58 int error_lib; /* ERR library number, one for each provider */
59 # ifndef OPENSSL_NO_ERR
60 ERR_STRING_DATA *error_strings; /* Copy of what the provider gives us */
64 /* Provider side functions */
65 OSSL_provider_teardown_fn *teardown;
66 OSSL_provider_gettable_params_fn *gettable_params;
67 OSSL_provider_get_params_fn *get_params;
68 OSSL_provider_query_operation_fn *query_operation;
70 /* Provider side data */
73 DEFINE_STACK_OF(OSSL_PROVIDER)
75 static int ossl_provider_cmp(const OSSL_PROVIDER * const *a,
76 const OSSL_PROVIDER * const *b)
78 return strcmp((*a)->name, (*b)->name);
82 * Provider Object store
83 * =====================
85 * The Provider Object store is a library context object, and therefore needs
89 struct provider_store_st {
90 STACK_OF(OSSL_PROVIDER) *providers;
92 unsigned int use_fallbacks:1;
95 static void provider_store_free(void *vstore)
97 struct provider_store_st *store = vstore;
101 sk_OSSL_PROVIDER_pop_free(store->providers, ossl_provider_free);
102 CRYPTO_THREAD_lock_free(store->lock);
106 static void *provider_store_new(OPENSSL_CTX *ctx)
108 struct provider_store_st *store = OPENSSL_zalloc(sizeof(*store));
109 const struct predefined_providers_st *p = NULL;
112 || (store->providers = sk_OSSL_PROVIDER_new(ossl_provider_cmp)) == NULL
113 || (store->lock = CRYPTO_THREAD_lock_new()) == NULL) {
114 provider_store_free(store);
117 store->use_fallbacks = 1;
119 for (p = predefined_providers; p->name != NULL; p++) {
120 OSSL_PROVIDER *prov = NULL;
123 * We use the internal constructor directly here,
124 * otherwise we get a call loop
126 prov = provider_new(p->name, p->init);
129 || sk_OSSL_PROVIDER_push(store->providers, prov) == 0) {
130 ossl_provider_free(prov);
131 provider_store_free(store);
132 CRYPTOerr(CRYPTO_F_PROVIDER_STORE_NEW, ERR_R_INTERNAL_ERROR);
138 prov->error_lib = ERR_get_next_error_library();
141 ossl_provider_set_fallback(prov);
147 static const OPENSSL_CTX_METHOD provider_store_method = {
152 static struct provider_store_st *get_provider_store(OPENSSL_CTX *libctx)
154 struct provider_store_st *store = NULL;
156 store = openssl_ctx_get_data(libctx, OPENSSL_CTX_PROVIDER_STORE_INDEX,
157 &provider_store_method);
159 CRYPTOerr(CRYPTO_F_GET_PROVIDER_STORE, ERR_R_INTERNAL_ERROR);
163 OSSL_PROVIDER *ossl_provider_find(OPENSSL_CTX *libctx, const char *name,
166 struct provider_store_st *store = NULL;
167 OSSL_PROVIDER *prov = NULL;
169 if ((store = get_provider_store(libctx)) != NULL) {
170 OSSL_PROVIDER tmpl = { 0, };
175 * Make sure any providers are loaded from config before we try to find
179 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
182 tmpl.name = (char *)name;
183 CRYPTO_THREAD_write_lock(store->lock);
184 if ((i = sk_OSSL_PROVIDER_find(store->providers, &tmpl)) == -1
185 || (prov = sk_OSSL_PROVIDER_value(store->providers, i)) == NULL
186 || !ossl_provider_up_ref(prov))
188 CRYPTO_THREAD_unlock(store->lock);
195 * Provider Object methods
196 * =======================
199 static OSSL_PROVIDER *provider_new(const char *name,
200 OSSL_provider_init_fn *init_function)
202 OSSL_PROVIDER *prov = NULL;
204 if ((prov = OPENSSL_zalloc(sizeof(*prov))) == NULL
206 || (prov->refcnt_lock = CRYPTO_THREAD_lock_new()) == NULL
208 || !ossl_provider_up_ref(prov) /* +1 One reference to be returned */
209 || (prov->name = OPENSSL_strdup(name)) == NULL) {
210 ossl_provider_free(prov);
211 CRYPTOerr(CRYPTO_F_PROVIDER_NEW, ERR_R_MALLOC_FAILURE);
215 prov->init_function = init_function;
219 int ossl_provider_up_ref(OSSL_PROVIDER *prov)
223 if (CRYPTO_UP_REF(&prov->refcnt, &ref, prov->refcnt_lock) <= 0)
228 OSSL_PROVIDER *ossl_provider_new(OPENSSL_CTX *libctx, const char *name,
229 OSSL_provider_init_fn *init_function,
232 struct provider_store_st *store = NULL;
233 OSSL_PROVIDER *prov = NULL;
235 if ((store = get_provider_store(libctx)) == NULL)
238 if ((prov = ossl_provider_find(libctx, name,
239 noconfig)) != NULL) { /* refcount +1 */
240 ossl_provider_free(prov); /* refcount -1 */
241 ERR_raise_data(ERR_LIB_CRYPTO, CRYPTO_R_PROVIDER_ALREADY_EXISTS, NULL,
246 /* provider_new() generates an error, so no need here */
247 if ((prov = provider_new(name, init_function)) == NULL)
250 CRYPTO_THREAD_write_lock(store->lock);
251 if (!ossl_provider_up_ref(prov)) { /* +1 One reference for the store */
252 ossl_provider_free(prov); /* -1 Reference that was to be returned */
254 } else if (sk_OSSL_PROVIDER_push(store->providers, prov) == 0) {
255 ossl_provider_free(prov); /* -1 Store reference */
256 ossl_provider_free(prov); /* -1 Reference that was to be returned */
259 prov->libctx = libctx;
262 prov->error_lib = ERR_get_next_error_library();
265 CRYPTO_THREAD_unlock(store->lock);
268 CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_NEW, ERR_R_MALLOC_FAILURE);
271 * At this point, the provider is only partially "loaded". To be
272 * fully "loaded", ossl_provider_activate() must also be called.
278 static void free_infopair(INFOPAIR *pair)
280 OPENSSL_free(pair->name);
281 OPENSSL_free(pair->value);
285 void ossl_provider_free(OSSL_PROVIDER *prov)
290 CRYPTO_DOWN_REF(&prov->refcnt, &ref, prov->refcnt_lock);
293 * When the refcount drops below two, the store is the only
294 * possible reference, or it has already been taken away from
295 * the store (this may happen if a provider was activated
296 * because it's a fallback, but isn't currently used)
297 * When that happens, the provider is inactivated.
299 if (ref < 2 && prov->flag_initialized) {
301 ossl_init_thread_deregister(prov);
303 if (prov->teardown != NULL)
304 prov->teardown(prov->provctx);
305 #ifndef OPENSSL_NO_ERR
307 if (prov->error_strings != NULL) {
308 ERR_unload_strings(prov->error_lib, prov->error_strings);
309 OPENSSL_free(prov->error_strings);
310 prov->error_strings = NULL;
314 prov->flag_initialized = 0;
318 * When the refcount drops to zero, it has been taken out of
319 * the store. All we have to do here is clean it out.
323 DSO_free(prov->module);
325 OPENSSL_free(prov->name);
326 OPENSSL_free(prov->path);
327 sk_INFOPAIR_pop_free(prov->parameters, free_infopair);
329 CRYPTO_THREAD_lock_free(prov->refcnt_lock);
337 int ossl_provider_set_module_path(OSSL_PROVIDER *prov, const char *module_path)
339 OPENSSL_free(prov->path);
340 if (module_path == NULL)
342 if ((prov->path = OPENSSL_strdup(module_path)) != NULL)
344 CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_SET_MODULE_PATH, ERR_R_MALLOC_FAILURE);
348 int ossl_provider_add_parameter(OSSL_PROVIDER *prov,
349 const char *name, const char *value)
351 INFOPAIR *pair = NULL;
353 if ((pair = OPENSSL_zalloc(sizeof(*pair))) != NULL
354 && (prov->parameters != NULL
355 || (prov->parameters = sk_INFOPAIR_new_null()) != NULL)
356 && (pair->name = OPENSSL_strdup(name)) != NULL
357 && (pair->value = OPENSSL_strdup(value)) != NULL
358 && sk_INFOPAIR_push(prov->parameters, pair) > 0)
362 OPENSSL_free(pair->name);
363 OPENSSL_free(pair->value);
366 CRYPTOerr(CRYPTO_F_OSSL_PROVIDER_ADD_PARAMETER, ERR_R_MALLOC_FAILURE);
371 * Provider activation.
373 * What "activation" means depends on the provider form; for built in
374 * providers (in the library or the application alike), the provider
375 * can already be considered to be loaded, all that's needed is to
376 * initialize it. However, for dynamically loadable provider modules,
377 * we must first load that module.
379 * Built in modules are distinguished from dynamically loaded modules
380 * with an already assigned init function.
382 static const OSSL_DISPATCH *core_dispatch; /* Define further down */
385 * Internal version that doesn't affect the store flags, and thereby avoid
386 * locking. Direct callers must remember to set the store flags when
389 static int provider_activate(OSSL_PROVIDER *prov)
391 const OSSL_DISPATCH *provider_dispatch = NULL;
392 #ifndef OPENSSL_NO_ERR
394 OSSL_provider_get_reason_strings_fn *p_get_reason_strings = NULL;
398 if (prov->flag_initialized)
402 * If the init function isn't set, it indicates that this provider is
405 if (prov->init_function == NULL) {
409 if (prov->module == NULL) {
410 char *allocated_path = NULL;
411 const char *module_path = NULL;
412 char *merged_path = NULL;
413 const char *load_dir = ossl_safe_getenv("OPENSSL_MODULES");
415 if ((prov->module = DSO_new()) == NULL) {
416 /* DSO_new() generates an error already */
420 if (load_dir == NULL)
421 load_dir = MODULESDIR;
423 DSO_ctrl(prov->module, DSO_CTRL_SET_FLAGS,
424 DSO_FLAG_NAME_TRANSLATION_EXT_ONLY, NULL);
426 module_path = prov->path;
427 if (module_path == NULL)
428 module_path = allocated_path =
429 DSO_convert_filename(prov->module, prov->name);
430 if (module_path != NULL)
431 merged_path = DSO_merge(prov->module, module_path, load_dir);
433 if (merged_path == NULL
434 || (DSO_load(prov->module, merged_path, NULL, 0)) == NULL) {
435 DSO_free(prov->module);
439 OPENSSL_free(merged_path);
440 OPENSSL_free(allocated_path);
443 if (prov->module != NULL)
444 prov->init_function = (OSSL_provider_init_fn *)
445 DSO_bind_func(prov->module, "OSSL_provider_init");
449 /* Call the initialise function for the provider. */
450 if (prov->init_function == NULL
451 || !prov->init_function(prov, core_dispatch, &provider_dispatch,
453 ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_INIT_FAIL, NULL,
454 "name=%s", prov->name);
456 DSO_free(prov->module);
462 for (; provider_dispatch->function_id != 0; provider_dispatch++) {
463 switch (provider_dispatch->function_id) {
464 case OSSL_FUNC_PROVIDER_TEARDOWN:
466 OSSL_get_provider_teardown(provider_dispatch);
468 case OSSL_FUNC_PROVIDER_GETTABLE_PARAMS:
469 prov->gettable_params =
470 OSSL_get_provider_gettable_params(provider_dispatch);
472 case OSSL_FUNC_PROVIDER_GET_PARAMS:
474 OSSL_get_provider_get_params(provider_dispatch);
476 case OSSL_FUNC_PROVIDER_QUERY_OPERATION:
477 prov->query_operation =
478 OSSL_get_provider_query_operation(provider_dispatch);
480 #ifndef OPENSSL_NO_ERR
482 case OSSL_FUNC_PROVIDER_GET_REASON_STRINGS:
483 p_get_reason_strings =
484 OSSL_get_provider_get_reason_strings(provider_dispatch);
491 #ifndef OPENSSL_NO_ERR
493 if (p_get_reason_strings != NULL) {
494 const OSSL_ITEM *reasonstrings = p_get_reason_strings(prov->provctx);
498 * ERR_load_strings() handles ERR_STRING_DATA rather than OSSL_ITEM,
499 * although they are essentially the same type.
500 * Furthermore, ERR_load_strings() patches the array's error number
501 * with the error library number, so we need to make a copy of that
504 cnt = 1; /* One for the terminating item */
505 while (reasonstrings[cnt].id != 0) {
506 if (ERR_GET_LIB(reasonstrings[cnt].id) != 0)
511 /* Allocate one extra item for the "library" name */
512 prov->error_strings =
513 OPENSSL_zalloc(sizeof(ERR_STRING_DATA) * (cnt + 1));
514 if (prov->error_strings == NULL)
518 * Set the "library" name.
520 prov->error_strings[0].error = ERR_PACK(prov->error_lib, 0, 0);
521 prov->error_strings[0].string = prov->name;
523 * Copy reasonstrings item 0..cnt-1 to prov->error_trings positions
526 for (cnt2 = 1; cnt2 <= cnt; cnt2++) {
527 prov->error_strings[cnt2].error = (int)reasonstrings[cnt2-1].id;
528 prov->error_strings[cnt2].string = reasonstrings[cnt2-1].ptr;
531 ERR_load_strings(prov->error_lib, prov->error_strings);
536 /* With this flag set, this provider has become fully "loaded". */
537 prov->flag_initialized = 1;
542 int ossl_provider_activate(OSSL_PROVIDER *prov)
544 if (provider_activate(prov)) {
545 CRYPTO_THREAD_write_lock(prov->store->lock);
546 prov->store->use_fallbacks = 0;
547 CRYPTO_THREAD_unlock(prov->store->lock);
554 void *ossl_provider_ctx(const OSSL_PROVIDER *prov)
556 return prov->provctx;
560 static int provider_forall_loaded(struct provider_store_st *store,
561 int *found_activated,
562 int (*cb)(OSSL_PROVIDER *provider,
570 num_provs = sk_OSSL_PROVIDER_num(store->providers);
572 if (found_activated != NULL)
573 *found_activated = 0;
574 for (i = 0; i < num_provs; i++) {
575 OSSL_PROVIDER *prov =
576 sk_OSSL_PROVIDER_value(store->providers, i);
578 if (prov->flag_initialized) {
579 if (found_activated != NULL)
580 *found_activated = 1;
581 if (!(ret = cb(prov, cbdata)))
590 * This function only does something once when store->use_fallbacks == 1,
591 * and then sets store->use_fallbacks = 0, so the second call and so on is
592 * effectively a no-op.
594 static void provider_activate_fallbacks(struct provider_store_st *store)
596 if (store->use_fallbacks) {
597 int num_provs = sk_OSSL_PROVIDER_num(store->providers);
598 int activated_fallback_count = 0;
601 for (i = 0; i < num_provs; i++) {
602 OSSL_PROVIDER *prov = sk_OSSL_PROVIDER_value(store->providers, i);
605 * Note that we don't care if the activation succeeds or not.
606 * If it doesn't succeed, then any attempt to use any of the
607 * fallback providers will fail anyway.
609 if (prov->flag_fallback) {
610 activated_fallback_count++;
611 provider_activate(prov);
616 * We assume that all fallbacks have been added to the store before
617 * any fallback is activated.
618 * TODO: We may have to reconsider this, IF we find ourselves adding
619 * fallbacks after any previous fallback has been activated.
621 if (activated_fallback_count > 0)
622 store->use_fallbacks = 0;
626 int ossl_provider_forall_loaded(OPENSSL_CTX *ctx,
627 int (*cb)(OSSL_PROVIDER *provider,
632 struct provider_store_st *store = get_provider_store(ctx);
636 * Make sure any providers are loaded from config before we try to use
639 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
643 CRYPTO_THREAD_read_lock(store->lock);
645 provider_activate_fallbacks(store);
648 * Now, we sweep through all providers
650 ret = provider_forall_loaded(store, NULL, cb, cbdata);
652 CRYPTO_THREAD_unlock(store->lock);
658 int ossl_provider_available(OSSL_PROVIDER *prov)
661 CRYPTO_THREAD_read_lock(prov->store->lock);
662 provider_activate_fallbacks(prov->store);
663 CRYPTO_THREAD_unlock(prov->store->lock);
665 return prov->flag_initialized;
670 /* Setters of Provider Object data */
671 int ossl_provider_set_fallback(OSSL_PROVIDER *prov)
676 prov->flag_fallback = 1;
680 /* Getters of Provider Object data */
681 const char *ossl_provider_name(const OSSL_PROVIDER *prov)
686 const DSO *ossl_provider_dso(const OSSL_PROVIDER *prov)
691 const char *ossl_provider_module_name(const OSSL_PROVIDER *prov)
696 return DSO_get_filename(prov->module);
700 const char *ossl_provider_module_path(const OSSL_PROVIDER *prov)
705 /* FIXME: Ensure it's a full path */
706 return DSO_get_filename(prov->module);
710 OPENSSL_CTX *ossl_provider_library_context(const OSSL_PROVIDER *prov)
712 /* TODO(3.0) just: return prov->libctx; */
713 return prov != NULL ? prov->libctx : NULL;
716 /* Wrappers around calls to the provider */
717 void ossl_provider_teardown(const OSSL_PROVIDER *prov)
719 if (prov->teardown != NULL)
720 prov->teardown(prov->provctx);
723 const OSSL_PARAM *ossl_provider_gettable_params(const OSSL_PROVIDER *prov)
725 return prov->gettable_params == NULL
726 ? NULL : prov->gettable_params(prov->provctx);
729 int ossl_provider_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
731 return prov->get_params == NULL
732 ? 0 : prov->get_params(prov->provctx, params);
736 const OSSL_ALGORITHM *ossl_provider_query_operation(const OSSL_PROVIDER *prov,
740 return prov->query_operation(prov->provctx, operation_id, no_cache);
744 * Core functions for the provider
745 * ===============================
747 * This is the set of functions that the core makes available to the provider
751 * This returns a list of Provider Object parameters with their types, for
752 * discovery. We do not expect that many providers will use this, but one
755 static const OSSL_PARAM param_types[] = {
756 OSSL_PARAM_DEFN("openssl-version", OSSL_PARAM_UTF8_PTR, NULL, 0),
757 OSSL_PARAM_DEFN("provider-name", OSSL_PARAM_UTF8_PTR, NULL, 0),
762 * Forward declare all the functions that are provided aa dispatch.
763 * This ensures that the compiler will complain if they aren't defined
764 * with the correct signature.
766 static OSSL_core_gettable_params_fn core_gettable_params;
767 static OSSL_core_get_params_fn core_get_params;
768 static OSSL_core_thread_start_fn core_thread_start;
769 static OSSL_core_get_library_context_fn core_get_libctx;
771 static OSSL_core_new_error_fn core_new_error;
772 static OSSL_core_set_error_debug_fn core_set_error_debug;
773 static OSSL_core_vset_error_fn core_vset_error;
776 static const OSSL_PARAM *core_gettable_params(const OSSL_PROVIDER *prov)
781 static int core_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
786 if ((p = OSSL_PARAM_locate(params, "openssl-version")) != NULL)
787 OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR);
788 if ((p = OSSL_PARAM_locate(params, "provider-name")) != NULL)
789 OSSL_PARAM_set_utf8_ptr(p, prov->name);
792 if ((p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_MODULE_FILENAME)) != NULL)
793 OSSL_PARAM_set_utf8_ptr(p, ossl_provider_module_path(prov));
796 if (prov->parameters == NULL)
799 for (i = 0; i < sk_INFOPAIR_num(prov->parameters); i++) {
800 INFOPAIR *pair = sk_INFOPAIR_value(prov->parameters, i);
802 if ((p = OSSL_PARAM_locate(params, pair->name)) != NULL)
803 OSSL_PARAM_set_utf8_ptr(p, pair->value);
808 static OPENSSL_CTX *core_get_libctx(const OSSL_PROVIDER *prov)
810 return ossl_provider_library_context(prov);
813 static int core_thread_start(const OSSL_PROVIDER *prov,
814 OSSL_thread_stop_handler_fn handfn)
816 return ossl_init_thread_start(prov, prov->provctx, handfn);
820 * The FIPS module inner provider doesn't implement these. They aren't
821 * needed there, since the FIPS module upcalls are always the outer provider
826 * TODO(3.0) These error functions should use |prov| to select the proper
827 * library context to report in the correct error stack, at least if error
828 * stacks become tied to the library context.
829 * We cannot currently do that since there's no support for it in the
832 static void core_new_error(const OSSL_PROVIDER *prov)
837 static void core_set_error_debug(const OSSL_PROVIDER *prov,
838 const char *file, int line, const char *func)
840 ERR_set_debug(file, line, func);
843 static void core_vset_error(const OSSL_PROVIDER *prov,
844 uint32_t reason, const char *fmt, va_list args)
847 * If the uppermost 8 bits are non-zero, it's an OpenSSL library
848 * error and will be treated as such. Otherwise, it's a new style
849 * provider error and will be treated as such.
851 if (ERR_GET_LIB(reason) != 0) {
852 ERR_vset_error(ERR_GET_LIB(reason), ERR_GET_REASON(reason), fmt, args);
854 ERR_vset_error(prov->error_lib, (int)reason, fmt, args);
860 * Functions provided by the core. Blank line separates "families" of related
863 static const OSSL_DISPATCH core_dispatch_[] = {
864 { OSSL_FUNC_CORE_GETTABLE_PARAMS, (void (*)(void))core_gettable_params },
865 { OSSL_FUNC_CORE_GET_PARAMS, (void (*)(void))core_get_params },
866 { OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT, (void (*)(void))core_get_libctx },
867 { OSSL_FUNC_CORE_THREAD_START, (void (*)(void))core_thread_start },
869 { OSSL_FUNC_CORE_NEW_ERROR, (void (*)(void))core_new_error },
870 { OSSL_FUNC_CORE_SET_ERROR_DEBUG, (void (*)(void))core_set_error_debug },
871 { OSSL_FUNC_CORE_VSET_ERROR, (void (*)(void))core_vset_error },
872 { OSSL_FUNC_BIO_NEW_FILE, (void (*)(void))BIO_new_file },
873 { OSSL_FUNC_BIO_NEW_MEMBUF, (void (*)(void))BIO_new_mem_buf },
874 { OSSL_FUNC_BIO_READ, (void (*)(void))BIO_read },
875 { OSSL_FUNC_BIO_FREE, (void (*)(void))BIO_free },
878 { OSSL_FUNC_CRYPTO_MALLOC, (void (*)(void))CRYPTO_malloc },
879 { OSSL_FUNC_CRYPTO_ZALLOC, (void (*)(void))CRYPTO_zalloc },
880 { OSSL_FUNC_CRYPTO_FREE, (void (*)(void))CRYPTO_free },
881 { OSSL_FUNC_CRYPTO_CLEAR_FREE, (void (*)(void))CRYPTO_clear_free },
882 { OSSL_FUNC_CRYPTO_REALLOC, (void (*)(void))CRYPTO_realloc },
883 { OSSL_FUNC_CRYPTO_CLEAR_REALLOC, (void (*)(void))CRYPTO_clear_realloc },
884 { OSSL_FUNC_CRYPTO_SECURE_MALLOC, (void (*)(void))CRYPTO_secure_malloc },
885 { OSSL_FUNC_CRYPTO_SECURE_ZALLOC, (void (*)(void))CRYPTO_secure_zalloc },
886 { OSSL_FUNC_CRYPTO_SECURE_FREE, (void (*)(void))CRYPTO_secure_free },
887 { OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE,
888 (void (*)(void))CRYPTO_secure_clear_free },
889 { OSSL_FUNC_CRYPTO_SECURE_ALLOCATED,
890 (void (*)(void))CRYPTO_secure_allocated },
891 { OSSL_FUNC_OPENSSL_CLEANSE, (void (*)(void))OPENSSL_cleanse },
895 static const OSSL_DISPATCH *core_dispatch = core_dispatch_;