1/*
2 * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10#ifndef OPENSSL_PROVIDER_H
11# define OPENSSL_PROVIDER_H
12# pragma once
13
14# include <openssl/core.h>
15
16# ifdef __cplusplus
17extern "C" {
18# endif
19
20/* Set the default provider search path */
21int OSSL_PROVIDER_set_default_search_path(OSSL_LIB_CTX *, const char *path);
22
23/* Load and unload a provider */
24OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *, const char *name);
25OSSL_PROVIDER *OSSL_PROVIDER_try_load(OSSL_LIB_CTX *, const char *name,
26 int retain_fallbacks);
27int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov);
28int OSSL_PROVIDER_available(OSSL_LIB_CTX *, const char *name);
29int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx,
30 int (*cb)(OSSL_PROVIDER *provider, void *cbdata),
31 void *cbdata);
32
33const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov);
34int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]);
35int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov);
36int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov,
37 const char *capability,
38 OSSL_CALLBACK *cb,
39 void *arg);
40
41const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const OSSL_PROVIDER *prov,
42 int operation_id,
43 int *no_cache);
44void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER *prov,
45 int operation_id, const OSSL_ALGORITHM *algs);
46void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov);
47const OSSL_DISPATCH *OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER *prov);
48
49/* Add a built in providers */
50int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX *, const char *name,
51 OSSL_provider_init_fn *init_fn);
52
53/* Information */
54const char *OSSL_PROVIDER_get0_name(const OSSL_PROVIDER *prov);
55
56# ifdef __cplusplus
57}
58# endif
59
60#endif
61

source code of include/openssl/provider.h