/*
 *  Copyright (c) 2014, Airbitz
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms 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. Redistribution or use of modified source code requires the express written
 *  permission of Airbitz Inc.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
 *
 *  The views and conclusions contained in the software and documentation are those
 *  of the authors and should not be interpreted as representing official policies,
 *  either expressed or implied, of the Airbitz Project.
 */
/**
 * @file
 * AirBitz public API. The wallet only calls functions found in this file.
 */

#ifndef native_crypto_h
#define native_crypto_h

#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>

#ifdef __cplusplus
extern "C" {
#endif

#define COMPRESSED_PUBKEY_LENGTH 33
#define DECOMPRESSED_PUBKEY_LENGTH 65
#define PRIVKEY_LENGTH 64

void fast_crypto_scrypt (const uint8_t *passwd, size_t passwdlen, const uint8_t *salt, size_t saltlen, uint64_t N,
    uint32_t r, uint32_t p, uint8_t *buf, size_t buflen);
void fast_crypto_secp256k1_ec_privkey_tweak_add(char *szPrivateKeyHex, const char *szTweak);
void fast_crypto_secp256k1_ec_pubkey_tweak_add(char *szPublicKeyHex, const char *szTweak, int compressed);
void fast_crypto_secp256k1_ec_pubkey_create(const char *szPrivateKeyHex, char *szPublicKeyHex, int compressed);

#ifdef __cplusplus
}
#endif

#endif // native_crypto_h