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/*
 * This file is part of the SSH Library
 *
 * Copyright (c) 2013 by Aris Adamantiadis <aris@badcode.be>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation,
 * version 2.1 of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef CURVE25519_H_
#define CURVE25519_H_

#include "config.h"
#include "libssh.h"

#ifdef WITH_NACL

#define HAVE_CURVE25519
#include <nacl/crypto_scalarmult_curve25519.h>
#define CURVE25519_PUBKEY_SIZE crypto_scalarmult_curve25519_BYTES
#define CURVE25519_PRIVKEY_SIZE crypto_scalarmult_curve25519_SCALARBYTES

typedef unsigned char ssh_curve25519_pubkey[CURVE25519_PUBKEY_SIZE];
typedef unsigned char ssh_curve25519_privkey[CURVE25519_PRIVKEY_SIZE];

#endif /* WITH_NACL */

int ssh_client_curve25519_init(ssh_session session);
int ssh_client_curve25519_reply(ssh_session session, ssh_buffer packet);

#ifdef WITH_SERVER
int ssh_server_curve25519_init(ssh_session session, ssh_buffer packet);
#endif /* WITH_SERVER */

#endif /* CURVE25519_H_ */