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/*
* 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_CORE_NUMBERS_H
# define OSSL_CORE_NUMBERS_H
# include <openssl/core.h>
# ifdef __cplusplus
extern "C" {
# endif
/*-
* Identities
* ----------
*
* All series start with 1, to allow 0 to be an array terminator.
* For any FUNC identity, we also provide a function signature typedef
* and a static inline function to extract a function pointer from a
* OSSL_DISPATCH element in a type safe manner.
*
* Names:
* for any function base name 'foo' (uppercase form 'FOO'), we will have
* the following:
* - a macro for the identity with the name OSSL_FUNC_'FOO' or derivates
* thereof (to be specified further down)
* - a function signature typedef with the name OSSL_'foo'_fn
* - a function pointer extractor function with the name OSSL_'foo'
*/
/* Helper macro to create the function signature typedef and the extractor */
#define OSSL_CORE_MAKE_FUNC(type,name,args) \
typedef type (OSSL_##name##_fn)args; \
static ossl_inline \
OSSL_##name##_fn *OSSL_get_##name(const OSSL_DISPATCH *opf) \
{ \
return (OSSL_##name##_fn *)opf->function; \
}
/*
* Core function identities, for the two OSSL_DISPATCH tables being passed
* in the OSSL_provider_init call.
*
* 0 serves as a marker for the end of the OSSL_DISPATCH array, and must
* therefore NEVER be used as a function identity.
*/
/* Functions provided by the Core to the provider, reserved numbers 1-1023 */
# define OSSL_FUNC_CORE_GET_PARAM_TYPES 1
OSSL_CORE_MAKE_FUNC(const OSSL_ITEM *,
core_get_param_types,(const OSSL_PROVIDER *prov))
# define OSSL_FUNC_CORE_GET_PARAMS 2
OSSL_CORE_MAKE_FUNC(int,core_get_params,(const OSSL_PROVIDER *prov,
const OSSL_PARAM params[]))
/* Functions provided by the provider to the Core, reserved numbers 1024-1535 */
# define OSSL_FUNC_PROVIDER_TEARDOWN 1024
OSSL_CORE_MAKE_FUNC(void,provider_teardown,(void))
# define OSSL_FUNC_PROVIDER_GET_PARAM_TYPES 1025
OSSL_CORE_MAKE_FUNC(const OSSL_ITEM *,
provider_get_param_types,(const OSSL_PROVIDER *prov))
# define OSSL_FUNC_PROVIDER_GET_PARAMS 1026
OSSL_CORE_MAKE_FUNC(int,provider_get_params,(const OSSL_PROVIDER *prov,
const OSSL_PARAM params[]))
# define OSSL_FUNC_PROVIDER_QUERY_OPERATION 1027
OSSL_CORE_MAKE_FUNC(const OSSL_ALGORITHM *,provider_query_operation,
(const OSSL_PROVIDER *, int operation_id,
const int *no_store))
/* Digests */
# define OSSL_OP_DIGEST 1
# define OSSL_FUNC_DIGEST_NEWCTX 1
# define OSSL_FUNC_DIGEST_INIT 2
# define OSSL_FUNC_DIGEST_UPDDATE 3
# define OSSL_FUNC_DIGEST_FINAL 4
# define OSSL_FUNC_DIGEST_DIGEST 5
# define OSSL_FUNC_DIGEST_FREECTX 6
OSSL_CORE_MAKE_FUNC(void *, OP_digest_newctx, (void))
OSSL_CORE_MAKE_FUNC(int, OP_digest_init, (void *vctx))
OSSL_CORE_MAKE_FUNC(int, OP_digest_update,
(void *vctx, unsigned char *in, size_t inl))
OSSL_CORE_MAKE_FUNC(int, OP_digest_final,
(void *vctx, unsigned char *out, size_t *outl))
OSSL_CORE_MAKE_FUNC(int, OP_digest_digest,
(unsigned char *in, size_t inl, unsigned char *out,
size_t *out_l))
OSSL_CORE_MAKE_FUNC(void, OP_digest_cleanctx, (void *vctx))
OSSL_CORE_MAKE_FUNC(void, OP_digest_freectx, (void *vctx))
# ifdef __cplusplus
}
# endif
#endif
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