mirror of https://github.com/openssl/openssl.git
				
				
				
			
		
			
				
	
	
		
			72 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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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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| 
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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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| /*
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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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| /*
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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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| 
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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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| 
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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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| 
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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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