72 lines
3.0 KiB
C
72 lines
3.0 KiB
C
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/*
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* Copyright 2019-2022 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 OSSL_INTERNAL_CORE_H
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# define OSSL_INTERNAL_CORE_H
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# pragma once
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/*
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* namespaces:
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*
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* ossl_method_ Core Method API
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*/
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/*
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* construct an arbitrary method from a dispatch table found by looking
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* up a match for the < operation_id, name, property > combination.
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* constructor and destructor are the constructor and destructor for that
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* arbitrary object.
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*
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* These objects are normally cached, unless the provider says not to cache.
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* However, force_cache can be used to force caching whatever the provider
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* says (for example, because the application knows better).
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*/
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typedef struct ossl_method_construct_method_st {
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/* Get a temporary store */
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void *(*get_tmp_store)(void *data);
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/* Reserve the appropriate method store */
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int (*lock_store)(void *store, void *data);
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/* Unreserve the appropriate method store */
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int (*unlock_store)(void *store, void *data);
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/* Get an already existing method from a store */
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void *(*get)(void *store, const OSSL_PROVIDER **prov, void *data);
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/* Store a method in a store */
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int (*put)(void *store, void *method, const OSSL_PROVIDER *prov,
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const char *name, const char *propdef, void *data);
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/* Construct a new method */
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void *(*construct)(const OSSL_ALGORITHM *algodef, OSSL_PROVIDER *prov,
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void *data);
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/* Destruct a method */
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void (*destruct)(void *method, void *data);
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} OSSL_METHOD_CONSTRUCT_METHOD;
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void *ossl_method_construct(OSSL_LIB_CTX *ctx, int operation_id,
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OSSL_PROVIDER **provider_rw, int force_cache,
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OSSL_METHOD_CONSTRUCT_METHOD *mcm, void *mcm_data);
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void ossl_algorithm_do_all(OSSL_LIB_CTX *libctx, int operation_id,
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OSSL_PROVIDER *provider,
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int (*pre)(OSSL_PROVIDER *, int operation_id,
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int no_store, void *data, int *result),
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int (*reserve_store)(int no_store, void *data),
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void (*fn)(OSSL_PROVIDER *provider,
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const OSSL_ALGORITHM *algo,
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int no_store, void *data),
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int (*unreserve_store)(void *data),
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int (*post)(OSSL_PROVIDER *, int operation_id,
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int no_store, void *data, int *result),
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void *data);
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char *ossl_algorithm_get1_first_name(const OSSL_ALGORITHM *algo);
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__owur int ossl_lib_ctx_write_lock(OSSL_LIB_CTX *ctx);
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__owur int ossl_lib_ctx_read_lock(OSSL_LIB_CTX *ctx);
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int ossl_lib_ctx_unlock(OSSL_LIB_CTX *ctx);
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int ossl_lib_ctx_is_child(OSSL_LIB_CTX *ctx);
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#endif
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