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/*
* Copyright (C) 2011 Sansar Choinyambuu
* Copyright (C) 2014 Andreas Steffen
* HSR 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.
*/
/**
* @defgroup tcg_pts_attr_dh_nonce_params_req tcg_pts_attr_dh_nonce_params_req
* @{ @ingroup tcg_attr
*/
#ifndef TCG_PTS_ATTR_DH_NONCE_PARAMS_REQ_H_
#define TCG_PTS_ATTR_DH_NONCE_PARAMS_REQ_H_
typedef struct tcg_pts_attr_dh_nonce_params_req_t
tcg_pts_attr_dh_nonce_params_req_t;
#include "tcg/tcg_attr.h"
#include "pa_tnc/pa_tnc_attr.h"
#include "pts/pts_dh_group.h"
/**
* Class implementing the TCG PTS DH Nonce Parameters Request Attribute
*/
struct tcg_pts_attr_dh_nonce_params_req_t {
/**
* Public PA-TNC attribute interface
*/
pa_tnc_attr_t pa_tnc_attribute;
/**
* Get Minimum nonce length
*
* @return Minimum acceptable length of nonce
*/
uint8_t (*get_min_nonce_len)(tcg_pts_attr_dh_nonce_params_req_t *this);
/**
* Get supported Diffie Hellman Groups
*
* @return Supported Diffie Hellman Groups
*/
pts_dh_group_t (*get_dh_groups)(tcg_pts_attr_dh_nonce_params_req_t *this);
};
/**
* Creates an tcg_pts_attr_dh_nonce_params_req_t object
*
* @param min_nonce_len Minimum acceptable length of nonce
* @param dh_groups Initiator's supported DH groups
*/
pa_tnc_attr_t* tcg_pts_attr_dh_nonce_params_req_create(uint8_t min_nonce_len,
pts_dh_group_t dh_groups);
/**
* Creates an tcg_pts_attr_dh_nonce_params_req_t object from received data
*
* @param length Total length of attribute value
* @param value Unparsed attribute value (might be a segment)
*/
pa_tnc_attr_t* tcg_pts_attr_dh_nonce_params_req_create_from_data(size_t length,
chunk_t value);
#endif /** TCG_PTS_ATTR_DH_NONCE_PARAMS_REQ_H_ @}*/
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