ssh_kex_dh_gex.h

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/**
 * @file ssh_kex_dh_gex.h
 * @brief DH GEX (Diffie-Hellman Group Exchange) key exchange
 *
 * @section License
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * Copyright (C) 2019-2024 Oryx Embedded SARL. All rights reserved.
 *
 * This file is part of CycloneSSH Open.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * @author Oryx Embedded SARL (www.oryx-embedded.com)
 * @version 2.4.4
 **/
 
#ifndef _SSH_KEX_DH_GEX_H
#define _SSH_KEX_DH_GEX_H
 
//Dependencies
#include "ssh/ssh.h"
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
//SSH related functions
error_t sshSendKexDhGexRequest(SshConnection *connection);
error_t sshSendKexDhGexGroup(SshConnection *connection);
error_t sshSendKexDhGexInit(SshConnection *connection);
error_t sshSendKexDhGexReply(SshConnection *connection);
 
error_t sshFormatKexDhGexRequest(SshConnection *connection, uint8_t *p,
   size_t *length);
 
error_t sshFormatKexDhGexGroup(SshConnection *connection, uint8_t *p,
   size_t *length);
 
error_t sshFormatKexDhGexInit(SshConnection *connection, uint8_t *p,
   size_t *length);
 
error_t sshFormatKexDhGexReply(SshConnection *connection, uint8_t *p,
   size_t *length);
 
error_t sshParseKexDhGexRequest(SshConnection *connection,
   const uint8_t *message, size_t length);
 
error_t sshParseKexDhGexRequestOld(SshConnection *connection,
   const uint8_t *message, size_t length);
 
error_t sshParseKexDhGexGroup(SshConnection *connection, const uint8_t *message,
   size_t length);
 
error_t sshParseKexDhGexInit(SshConnection *connection, const uint8_t *message,
   size_t length);
 
error_t sshParseKexDhGexReply(SshConnection *connection, const uint8_t *message,
   size_t length);
 
error_t sshParseKexDhGexMessage(SshConnection *connection, uint8_t type,
   const uint8_t *message, size_t length);
 
int_t sshSelectDhGexGroup(SshContext *context, uint32_t minDhModulusSize,
   uint32_t preferredDhModulusSize, uint32_t maxDhModulusSize);
 
error_t sshComputeDhGexSharedSecret(SshConnection *connection);
 
error_t sshDigestDhGexParams(SshConnection *connection);
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif