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