src/charon-tkm/src/tkm/tkm_keymat.h

   1 /*
   2  * Copyright (C) 2012 Reto Buerki
   3  * Copyright (C) 2012 Adrian-Ken Rueegsegger
   4  * Hochschule fuer Technik Rapperswil
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2 of the License, or (at your
   9  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * for more details.
  15  */
  16
  17 #ifndef TKM_KEYMAT_H_
  18 #define TKM_KEYMAT_H_
  19
  20 #include <sa/ikev2/keymat_v2.h>
  21
  22 typedef struct tkm_keymat_t tkm_keymat_t;
  23
  24 /**
  25  * Derivation and management of sensitive keying material, TKM variant.
  26  */
  27 struct tkm_keymat_t {
  28
  29         /**
  30          * Implements keymat_v2_t.
  31          */
  32         keymat_v2_t keymat_v2;
  33
  34         /**
  35          * Get ISA context id.
  36          *
  37          * @return      id of associated ISA context.
  38          */
  39         isa_id_type (*get_isa_id)(tkm_keymat_t * const this);
  40
  41         /**
  42          * Set IKE AUTH payload.
  43          *
  44          * @param payload               AUTH payload
  45          */
  46         void (*set_auth_payload)(tkm_keymat_t *this, const chunk_t * const payload);
  47
  48         /**
  49          * Get IKE AUTH payload.
  50          *
  51          * @return                              AUTH payload if set, chunk_empty otherwise
  52          */
  53         chunk_t* (*get_auth_payload)(tkm_keymat_t * const this);
  54
  55 };
  56
  57 /**
  58  * Create TKM keymat instance.
  59  *
  60  * @param initiator                     TRUE if we are the initiator
  61  * @return                                      keymat instance
  62  */
  63 tkm_keymat_t *tkm_keymat_create(bool initiator);
  64
  65 #endif /** KEYMAT_TKM_H_ */