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/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
*
* 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*
* $Id: nonce_payload.h 4819 2008-12-31 08:58:49Z martin $
*/
/**
* @defgroup nonce_payload nonce_payload
* @{ @ingroup payloads
*/
#ifndef NONCE_PAYLOAD_H_
#define NONCE_PAYLOAD_H_
typedef struct nonce_payload_t nonce_payload_t;
#include <library.h>
#include <encoding/payloads/payload.h>
/**
* Nonce size in bytes for nonces sending to other peer.
*/
#define NONCE_SIZE 32
/**
* Length of a nonce payload without a nonce in bytes.
*/
#define NONCE_PAYLOAD_HEADER_LENGTH 4
/**
* Object representing an IKEv2 Nonce payload.
*
* The Nonce payload format is described in RFC section 3.3.
*/
struct nonce_payload_t {
/**
* The payload_t interface.
*/
payload_t payload_interface;
/**
* Set the nonce value.
*
* @param nonce chunk containing the nonce, will be cloned
*/
void (*set_nonce) (nonce_payload_t *this, chunk_t nonce);
/**
* Get the nonce value.
*
* @return a chunk containing the cloned nonce
*/
chunk_t (*get_nonce) (nonce_payload_t *this);
/**
* Destroys an nonce_payload_t object.
*/
void (*destroy) (nonce_payload_t *this);
};
/**
* Creates an empty nonce_payload_t object
*
* @return nonce_payload_t object
*/
nonce_payload_t *nonce_payload_create(void);
#endif /*NONCE_PAYLOAD_H_ @} */
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