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kunlun/rom/riscv2/crypto/mbedtls-2.4.0/include/mbedtls/fast_ec_internal.h

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/**
* 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_FAST_EC_WRAP_H
#define MBEDTLS_FAST_EC_WRAP_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include "fast_ec.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Fast EC information.
* Allows Fast EC functions to be called in a generic way.
*/
struct mbedtls_fast_ec_info_t {
/** Fast EC identifier */
mbedtls_fast_ec_type_t type;
/** Fast EC name */
const char *name;
/** Key length */
size_t key_len;
/** Key length in bits */
size_t key_bitlen;
/** Signature length */
size_t sig_len;
/** Shared key length */
size_t dh_len;
/** Generate keypair */
int (* gen_key_func)( unsigned char* public_key, unsigned char* private_key,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/** Get public key from private */
int (* get_pub_func)( unsigned char* public_key, const unsigned char* private_key );
/** Sign data */
int (* sign_func)( unsigned char* sig, const unsigned char* private_key,
const unsigned char* data, size_t data_len );
/** Verify Data */
int (* verify_func)( const unsigned char* sig, const unsigned char* public_key,
const unsigned char* data, size_t data_len );
/** Compute shared */
int (*compute_shared_func)( const unsigned char* public_key, const unsigned char* private_key,
unsigned char* shared, size_t shared_len );
};
#if defined(MBEDTLS_ED25519_C)
extern const mbedtls_fast_ec_info_t mbedtls_fast_ec_x25519_info;
extern const mbedtls_fast_ec_info_t mbedtls_fast_ec_ed25519_info;
#endif
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_FAST_EC_WRAP_H */