95 lines
3.8 KiB
C
95 lines
3.8 KiB
C
/*
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* Copyright 2019-2025 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OPENSSL_PROVIDER_H
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# define OPENSSL_PROVIDER_H
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# pragma once
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# include <openssl/core.h>
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# ifdef __cplusplus
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extern "C" {
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# endif
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/* Set and Get a library context search path */
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int OSSL_PROVIDER_set_default_search_path(OSSL_LIB_CTX *, const char *path);
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const char *OSSL_PROVIDER_get0_default_search_path(OSSL_LIB_CTX *libctx);
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/* Load and unload a provider */
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OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *, const char *name);
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OSSL_PROVIDER *OSSL_PROVIDER_load_ex(OSSL_LIB_CTX *, const char *name,
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OSSL_PARAM *params);
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OSSL_PROVIDER *OSSL_PROVIDER_try_load(OSSL_LIB_CTX *, const char *name,
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int retain_fallbacks);
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OSSL_PROVIDER *OSSL_PROVIDER_try_load_ex(OSSL_LIB_CTX *, const char *name,
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OSSL_PARAM *params,
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int retain_fallbacks);
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int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov);
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int OSSL_PROVIDER_available(OSSL_LIB_CTX *, const char *name);
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int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx,
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int (*cb)(OSSL_PROVIDER *provider, void *cbdata),
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void *cbdata);
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const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov);
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int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]);
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int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov);
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int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov,
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const char *capability,
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OSSL_CALLBACK *cb,
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void *arg);
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/*-
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* Provider configuration parameters are normally set in the configuration file,
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* but can also be set early in the main program before a provider is in use by
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* multiple threads.
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*
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* Only UTF8-string values are supported.
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*/
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int OSSL_PROVIDER_add_conf_parameter(OSSL_PROVIDER *prov, const char *name,
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const char *value);
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/*
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* Retrieves any of the requested configuration parameters for the given
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* provider that were set in the configuration file or via the above
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* OSSL_PROVIDER_add_parameter() function.
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*
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* The |params| array elements MUST have type OSSL_PARAM_UTF8_PTR, values are
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* returned by reference, not as copies.
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*/
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int OSSL_PROVIDER_get_conf_parameters(const OSSL_PROVIDER *prov,
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OSSL_PARAM params[]);
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/*
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* Parse a provider configuration parameter as a boolean value,
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* or return a default value if unable to retrieve the parameter.
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* Values like "1", "yes", "true", ... are true (nonzero).
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* Values like "0", "no", "false", ... are false (zero).
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*/
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int OSSL_PROVIDER_conf_get_bool(const OSSL_PROVIDER *prov,
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const char *name, int defval);
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const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const OSSL_PROVIDER *prov,
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int operation_id,
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int *no_cache);
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void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER *prov,
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int operation_id, const OSSL_ALGORITHM *algs);
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void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov);
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const OSSL_DISPATCH *OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER *prov);
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/* Add a built in providers */
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int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX *, const char *name,
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OSSL_provider_init_fn *init_fn);
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/* Information */
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const char *OSSL_PROVIDER_get0_name(const OSSL_PROVIDER *prov);
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# ifdef __cplusplus
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}
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# endif
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#endif
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