auth_alg.h

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/*
 * $Id: auth_alg.h 4585 2008-08-06 08:20:30Z klaus_darilion $
 *
 * Copyright (C) 2005 Voice Sistem SRL
 *
 * This file is part of Kamailio, a free SIP server.
 *
 * UAC Kamailio-module 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.
 *
 * UAC Kamailio-module 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 *
 * History:
 * ---------
 *  2005-01-31  first version (ramona)
 */


#ifndef _UAC_AUTH_ALG_H_
#define _UAC_AUTH_ALG_H_

#include "../../str.h"

#include "auth_hdr.h"
#include "auth.h"


#define HASHLEN 16
typedef char HASH[HASHLEN];


#define HASHHEXLEN 32
typedef char HASHHEX[HASHHEXLEN+1];

void uac_calc_HA1( struct uac_credential *crd,
      struct authenticate_body *auth,
      str* cnonce,
      HASHHEX sess_key);

void uac_calc_HA2( str *method, str *uri,
      struct authenticate_body *auth,
      HASHHEX hentity,
      HASHHEX HA2Hex );

void uac_calc_response( HASHHEX ha1, HASHHEX ha2,
      struct authenticate_body *auth,
      str* nc, str* cnonce,
      HASHHEX response);

#endif