74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/**
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* @file child_sa.h
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*
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* @brief Interface of child_sa_t.
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef _CHILD_SA_H_
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#define _CHILD_SA_H_
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#include <types.h>
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#include <transforms/prf_plus.h>
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#include <encoding/payloads/proposal_substructure.h>
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typedef struct child_sa_t child_sa_t;
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/**
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* @brief Represents a CHILD_SA between to hosts.
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*
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* An IKE_SA must already be established.
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*
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* @b Constructors:
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* - child_sa_create
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*
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* @ingroup sa
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*/
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struct child_sa_t {
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/**
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* @brief Returns the SPI value of this CHILD_SA.
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*
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* AH and ESP are using 4 byte SPI values.
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*
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* @param this calling object
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* @return 4 Byte SPI value
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*/
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u_int32_t (*get_spi) (child_sa_t *this);
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/**
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* @brief Destroys a child_sa.
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*
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* @param this calling object
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*/
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void (*destroy) (child_sa_t *this);
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};
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/**
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* @brief Constructor to create a new CHILD_SA.
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*
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* @param protocol_id protocol id (AH or ESP) of CHILD_SA
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* @param prf_plus prf_plus_t object use to derive shared secrets
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* @return child_sa_t object
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* @ingroup sa
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*/
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child_sa_t * child_sa_create(protocol_id_t protocol_id, prf_plus_t *prf_plus);
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#endif /*_CHILD_SA_H_*/
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