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kunlun/rom/riscv/crypto/mbedtls-2.4.0/include/mbedtls/ecies_internal.h
2024-09-28 14:24:04 +08:00

105 lines
3.3 KiB
C

/**
* Copyright (C) 2015-2016 Virgil Security Inc.
*
* Lead Maintainer: Virgil Security Inc. <support@virgilsecurity.com>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* (1) Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* (2) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* (3) Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of extension to mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_ECIES_WRAP_H
#define MBEDTLS_ECIES_WRAP_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_ECIES_C)
#include "ecies.h"
#ifdef __cplusplus
extern "C" {
#endif
struct mbedtls_ecies_info_t
{
/** ECIES implementation identifier */
mbedtls_ecies_type_t type;
/** Name of the ECIES implementation details */
const char* name;
/** Allocate a new key */
void * (*key_alloc_func)( void );
/** Free the given key */
void (*key_free_func)( void *key );
/** Generate ephemeral key based on parameters of the source key */
int (*key_gen_ephemeral_func)( void *src_key, void *dst_key,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
/** Make shared key on a given keys */
int (*key_compute_shared_func)( void *pub, void* prv,
unsigned char* shared, size_t shared_len,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
/** Get shared key length in bytes */
size_t (*key_get_shared_len_func)( void* key );
/** Write public as ASN.1 structure */
int (*key_write_pub_asn1_func)(unsigned char** p, unsigned char* start, void *key);
/** Read public from ASN.1 structure */
int (*key_read_pub_asn1_func)(unsigned char** p, const unsigned char* end, void *key);
};
#if defined(MBEDTLS_ECP_C) && defined (MBEDTLS_ECDH_C)
extern const mbedtls_ecies_info_t mbedtls_ecies_ecp_info;
#endif
#if defined(MBEDTLS_FAST_EC_C)
extern const mbedtls_ecies_info_t mbedtls_ecies_fast_ec_info;
#endif
#ifdef __cplusplus
}
#endif
#endif /** MBEDTLS_ECIES_C */
#endif /** MBEDTLS_ECIES_WRAP_H */