2 * Copyright 2019-2020 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 #ifndef OSSL_INTERNAL_PROVIDER_H
11 # define OSSL_INTERNAL_PROVIDER_H
13 # include <openssl/core.h>
14 # include <openssl/core_dispatch.h>
15 # include "internal/dso.h"
16 # include "internal/symhacks.h"
25 * ossl_provider_ Provider Object internal API
26 * OSSL_PROVIDER Provider Object
29 /* Provider Object finder, constructor and destructor */
30 OSSL_PROVIDER *ossl_provider_find(OPENSSL_CTX *libctx, const char *name,
32 OSSL_PROVIDER *ossl_provider_new(OPENSSL_CTX *libctx, const char *name,
33 OSSL_provider_init_fn *init_function,
35 int ossl_provider_up_ref(OSSL_PROVIDER *prov);
36 void ossl_provider_free(OSSL_PROVIDER *prov);
39 int ossl_provider_set_fallback(OSSL_PROVIDER *prov);
40 int ossl_provider_set_module_path(OSSL_PROVIDER *prov, const char *module_path);
41 int ossl_provider_add_parameter(OSSL_PROVIDER *prov, const char *name,
45 * Activate the Provider
46 * If the Provider is a module, the module will be loaded
47 * Inactivation is done by freeing the Provider
49 int ossl_provider_activate(OSSL_PROVIDER *prov);
50 /* Check if the provider is available */
51 int ossl_provider_available(OSSL_PROVIDER *prov);
53 /* Return pointer to the provider's context */
54 void *ossl_provider_ctx(const OSSL_PROVIDER *prov);
56 /* Iterate over all loaded providers */
57 int ossl_provider_forall_loaded(OPENSSL_CTX *,
58 int (*cb)(OSSL_PROVIDER *provider,
62 /* Getters for other library functions */
63 const char *ossl_provider_name(const OSSL_PROVIDER *prov);
64 const DSO *ossl_provider_dso(const OSSL_PROVIDER *prov);
65 const char *ossl_provider_module_name(const OSSL_PROVIDER *prov);
66 const char *ossl_provider_module_path(const OSSL_PROVIDER *prov);
67 void *ossl_provider_prov_ctx(const OSSL_PROVIDER *prov);
68 OPENSSL_CTX *ossl_provider_library_context(const OSSL_PROVIDER *prov);
70 /* Thin wrappers around calls to the provider */
71 void ossl_provider_teardown(const OSSL_PROVIDER *prov);
72 const OSSL_PARAM *ossl_provider_gettable_params(const OSSL_PROVIDER *prov);
73 int ossl_provider_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]);
74 int ossl_provider_get_capabilities(const OSSL_PROVIDER *prov,
75 const char *capability,
78 const OSSL_ALGORITHM *ossl_provider_query_operation(const OSSL_PROVIDER *prov,
82 /* Cache of bits to see if we already queried an operation */
83 int ossl_provider_set_operation_bit(OSSL_PROVIDER *provider, size_t bitnum);
84 int ossl_provider_test_operation_bit(OSSL_PROVIDER *provider, size_t bitnum,
88 void ossl_provider_add_conf_module(void);