esp_algorithms.h

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/**
 * @file esp_algorithms.h
 * @brief ESP algorithm negotiation
 *
 * @section License
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * Copyright (C) 2022-2026 Oryx Embedded SARL. All rights reserved.
 *
 * This file is part of CycloneIPSEC 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 2.6.6
 **/
 
#ifndef _ESP_ALGORITHMS_H
#define _ESP_ALGORITHMS_H
 
//Dependencies
#include "esp/esp.h"
#include "ike/ike.h"
#include "ike/ike_algorithms.h"
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
//ESP related functions
error_t espSelectEncAlgo(IkeChildSaEntry *childSa, uint16_t encAlgoId,
   size_t encKeyLen);
 
error_t espSelectAuthAlgo(IkeChildSaEntry *childSa, uint16_t authAlgoId);
 
error_t espAddSupportedTransforms(IkeChildSaEntry *childSa,
   IkeProposal *proposal, uint8_t **lastSubstruc);
 
error_t espAddSupportedEncTransforms(IkeChildSaEntry *childSa,
   IkeProposal *proposal, uint8_t **lastSubstruc);
 
error_t espAddSupportedAuthTransforms(IkeChildSaEntry *childSa,
   IkeProposal *proposal, uint8_t **lastSubstruc);
 
error_t espAddSupportedEsnTransforms(IkeChildSaEntry *childSa,
   IkeProposal *proposal, uint8_t **lastSubstruc);
 
const IkeEncAlgo *espSelectEncTransform(IkeChildSaEntry *childSa,
   const IkeProposal *proposal, size_t proposalLen);
 
uint16_t espSelectAuthTransform(IkeChildSaEntry *childSa,
   const IkeProposal *proposal, size_t proposalLen);
 
uint16_t espSelectEsnTransform(IkeChildSaEntry *childSa,
   const IkeProposal *proposal, size_t proposalLen);
 
error_t espSelectSaProposal(IkeChildSaEntry *childSa,
   const IkeSaPayload *payload);
 
error_t espCheckSaProposal(IkeChildSaEntry *childSa,
   const IkeSaPayload *payload);
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif