openssl/include/internal/core.h
Richard Levitte 36fa4d8a0d CORE: pass the full algorithm definition to the method constructor
So far, the API level method constructors that are called by
ossl_method_construct_this() were passed the algorithm name string and
the dispatch table and had no access to anything else.

This change gives them access to the full OSSL_ALGORITHM item, thereby
giving them access to the property definition.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10394)
2019-11-29 20:42:12 +01:00

59 lines
2.2 KiB
C

/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_INTERNAL_CORE_H
# define OSSL_INTERNAL_CORE_H
/*
* namespaces:
*
* ossl_method_ Core Method API
*/
/*
* construct an arbitrary method from a dispatch table found by looking
* up a match for the < operation_id, name, property > combination.
* constructor and destructor are the constructor and destructor for that
* arbitrary object.
*
* These objects are normally cached, unless the provider says not to cache.
* However, force_cache can be used to force caching whatever the provider
* says (for example, because the application knows better).
*/
typedef struct ossl_method_construct_method_st {
/* Create store */
void *(*alloc_tmp_store)(OPENSSL_CTX *ctx);
/* Remove a store */
void (*dealloc_tmp_store)(void *store);
/* Get an already existing method from a store */
void *(*get)(OPENSSL_CTX *libctx, void *store, void *data);
/* Store a method in a store */
int (*put)(OPENSSL_CTX *libctx, void *store, void *method,
const OSSL_PROVIDER *prov, int operation_id, const char *name,
const char *propdef, void *data);
/* Construct a new method */
void *(*construct)(const OSSL_ALGORITHM *algodef, OSSL_PROVIDER *prov,
void *data);
/* Destruct a method */
void (*destruct)(void *method, void *data);
} OSSL_METHOD_CONSTRUCT_METHOD;
void *ossl_method_construct(OPENSSL_CTX *ctx, int operation_id,
int force_cache,
OSSL_METHOD_CONSTRUCT_METHOD *mcm, void *mcm_data);
void ossl_algorithm_do_all(OPENSSL_CTX *libctx, int operation_id,
OSSL_PROVIDER *provider,
void (*fn)(OSSL_PROVIDER *provider,
const OSSL_ALGORITHM *algo,
int no_store, void *data),
void *data);
#endif