/*
(C) 2004-2014 TeraTerm Project
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. The name of the author may not 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.
*/

#ifndef __ED25519_CRYPTO_API_H
#define __ED25519_CRYPTO_API_H

#include <stdio.h>
#include <stdlib.h>

typedef unsigned char u_int8_t;
typedef unsigned short int u_int16_t;
typedef unsigned int u_int32_t;
typedef long long int int64_t;
typedef unsigned long long int u_int64_t;

typedef u_int8_t uint8_t;
typedef u_int16_t uint16_t;
typedef u_int32_t uint32_t;
typedef u_int64_t uint64_t;

typedef int crypto_int32;
typedef unsigned int crypto_uint32;

#define randombytes(buf, buf_len) arc4random_buf((buf), (buf_len))

#define crypto_hashblocks_sha512_STATEBYTES 64U
#define crypto_hashblocks_sha512_BLOCKBYTES 128U

int	crypto_hashblocks_sha512(unsigned char *, const unsigned char *,
     unsigned long long);

#define crypto_hash_sha512_BYTES 64U

int	crypto_hash_sha512(unsigned char *, const unsigned char *,
    unsigned long long);

int	crypto_verify_32(const unsigned char *, const unsigned char *);

#define crypto_sign_ed25519_SECRETKEYBYTES 64U
#define crypto_sign_ed25519_PUBLICKEYBYTES 32U
#define crypto_sign_ed25519_BYTES 64U

int	crypto_sign_ed25519(unsigned char *, unsigned long long *,
    const unsigned char *, unsigned long long, const unsigned char *);
int	crypto_sign_ed25519_open(unsigned char *, unsigned long long *,
    const unsigned char *, unsigned long long, const unsigned char *);
int	crypto_sign_ed25519_keypair(unsigned char *, unsigned char *);

int	bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
    u_int8_t *, size_t, unsigned int);

#endif
