strongswan/src/charon-tkm/src/tkm/tkm_diffie_hellman.h

71 lines
1.8 KiB
C

/*
* Copyright (C) 2012 Reto Buerki
* Copyright (C) 2012 Adrian-Ken Rueegsegger
* 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 tkm-dh diffie hellman
* @{ @ingroup tkm
*/
#ifndef TKM_DIFFIE_HELLMAN_H_
#define TKM_DIFFIE_HELLMAN_H_
typedef struct tkm_diffie_hellman_t tkm_diffie_hellman_t;
#include <library.h>
#include <tkm/types.h>
/**
* diffie_hellman_t implementation using the trusted key manager.
*/
struct tkm_diffie_hellman_t {
/**
* Implements diffie_hellman_t interface.
*/
diffie_hellman_t dh;
/**
* Get Diffie-Hellman context id.
*
* @return id of this DH context.
*/
dh_id_type (*get_id)(tkm_diffie_hellman_t * const this);
};
/**
* Loads IANA DH group identifier to TKM id mapping from config and registers
* the corresponding DH features.
*
* @return number of registered mappings
*/
int register_dh_mapping();
/**
* Destroy IANA DH group identifier to TKM id mapping.
*/
void destroy_dh_mapping();
/**
* Creates a new tkm_diffie_hellman_t object.
*
* @param group Diffie Hellman group number to use
* @return tkm_diffie_hellman_t object, NULL if not supported
*/
tkm_diffie_hellman_t *tkm_diffie_hellman_create(diffie_hellman_group_t group);
#endif /** TKM_DIFFIE_HELLMAN_H_ @}*/