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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 <stdarg.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[]))
# define OSSL_FUNC_CORE_PUT_ERROR 3
OSSL_CORE_MAKE_FUNC(void,core_put_error,(int lib, int func, int reason,
const char *file, int line))
# define OSSL_FUNC_CORE_ADD_ERROR_VDATA 4
OSSL_CORE_MAKE_FUNC(void,core_add_error_vdata,(int num, va_list args))
/* 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 *provctx))
# define OSSL_FUNC_PROVIDER_GET_PARAM_TYPES 1025
OSSL_CORE_MAKE_FUNC(const OSSL_ITEM *,
provider_get_param_types,(void *provctx))
# define OSSL_FUNC_PROVIDER_GET_PARAMS 1026
OSSL_CORE_MAKE_FUNC(int,provider_get_params,(void *provctx,
const OSSL_PARAM params[]))
# define OSSL_FUNC_PROVIDER_QUERY_OPERATION 1027
OSSL_CORE_MAKE_FUNC(const OSSL_ALGORITHM *,provider_query_operation,
(void *provctx, 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_UPDATE 3
# define OSSL_FUNC_DIGEST_FINAL 4
# define OSSL_FUNC_DIGEST_DIGEST 5
# define OSSL_FUNC_DIGEST_FREECTX 6
# define OSSL_FUNC_DIGEST_DUPCTX 7
# define OSSL_FUNC_DIGEST_SIZE 8
# define OSSL_FUNC_DIGEST_BLOCK_SIZE 9
OSSL_CORE_MAKE_FUNC(void *, OP_digest_newctx, (void *provctx))
OSSL_CORE_MAKE_FUNC(int, OP_digest_init, (void *dctx))
OSSL_CORE_MAKE_FUNC(int, OP_digest_update,
(void *dctx, const unsigned char *in, size_t inl))
OSSL_CORE_MAKE_FUNC(int, OP_digest_final,
(void *dctx,
unsigned char *out, size_t *outl, size_t outsz))
OSSL_CORE_MAKE_FUNC(int, OP_digest_digest,
(void *provctx, const unsigned char *in, size_t inl,
unsigned char *out, size_t *out_l, size_t outsz))
OSSL_CORE_MAKE_FUNC(void, OP_digest_cleanctx, (void *dctx))
OSSL_CORE_MAKE_FUNC(void, OP_digest_freectx, (void *dctx))
OSSL_CORE_MAKE_FUNC(void *, OP_digest_dupctx, (void *dctx))
OSSL_CORE_MAKE_FUNC(size_t, OP_digest_size, (void))
OSSL_CORE_MAKE_FUNC(size_t, OP_digest_block_size, (void))
/* Symmetric Ciphers */
# define OSSL_OP_CIPHER 2
# define OSSL_FUNC_CIPHER_NEWCTX 1
# define OSSL_FUNC_CIPHER_ENCRYPT_INIT 2
# define OSSL_FUNC_CIPHER_DECRYPT_INIT 3
# define OSSL_FUNC_CIPHER_UPDATE 4
# define OSSL_FUNC_CIPHER_FINAL 5
# define OSSL_FUNC_CIPHER_CIPHER 6
# define OSSL_FUNC_CIPHER_FREECTX 7
# define OSSL_FUNC_CIPHER_DUPCTX 8
# define OSSL_FUNC_CIPHER_KEY_LENGTH 9
# define OSSL_FUNC_CIPHER_IV_LENGTH 10
# define OSSL_FUNC_CIPHER_BLOCK_SIZE 11
# define OSSL_FUNC_CIPHER_GET_PARAMS 12
# define OSSL_FUNC_CIPHER_CTX_GET_PARAMS 13
# define OSSL_FUNC_CIPHER_CTX_SET_PARAMS 14
OSSL_CORE_MAKE_FUNC(void *, OP_cipher_newctx, (void *provctx))
OSSL_CORE_MAKE_FUNC(int, OP_cipher_encrypt_init, (void *cctx,
const unsigned char *key,
size_t keylen,
const unsigned char *iv,
size_t ivlen))
OSSL_CORE_MAKE_FUNC(int, OP_cipher_decrypt_init, (void *cctx,
const unsigned char *key,
size_t keylen,
const unsigned char *iv,
size_t ivlen))
OSSL_CORE_MAKE_FUNC(int, OP_cipher_update,
(void *cctx,
unsigned char *out, size_t *outl, size_t outsize,
const unsigned char *in, size_t inl))
OSSL_CORE_MAKE_FUNC(int, OP_cipher_final,
(void *cctx,
unsigned char *out, size_t *outl, size_t outsize))
OSSL_CORE_MAKE_FUNC(int, OP_cipher_cipher,
(void *cctx,
unsigned char *out, size_t *outl, size_t outsize,
const unsigned char *in, size_t inl))
OSSL_CORE_MAKE_FUNC(void, OP_cipher_freectx, (void *cctx))
OSSL_CORE_MAKE_FUNC(void *, OP_cipher_dupctx, (void *cctx))
OSSL_CORE_MAKE_FUNC(size_t, OP_cipher_key_length, (void))
OSSL_CORE_MAKE_FUNC(size_t, OP_cipher_iv_length, (void))
OSSL_CORE_MAKE_FUNC(size_t, OP_cipher_block_size, (void))
OSSL_CORE_MAKE_FUNC(int, OP_cipher_get_params, (const OSSL_PARAM params[]))
OSSL_CORE_MAKE_FUNC(int, OP_cipher_ctx_get_params, (void *cctx,
const OSSL_PARAM params[]))
OSSL_CORE_MAKE_FUNC(int, OP_cipher_ctx_set_params, (void *cctx,
const OSSL_PARAM params[]))
# ifdef __cplusplus
}
# endif
#endif
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