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/*****************************************************************************
* css.h: Structures for DVD authentication and unscrambling
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id$
*
* Author: Stéphane Borel <stef@via.ecp.fr>
*
* based on:
* - css-auth by Derek Fawcus <derek@spider.com>
* - DVD CSS ioctls example program by Andrew T. Veliath <andrewtv@usa.net>
* - DeCSSPlus by Ethan Hawke
* - The Divide and conquer attack by Frank A. Stevenson <frank@funcom.com>
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with libdvdcss; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*****************************************************************************/
#ifndef DVDCSS_CSS_H
#define DVDCSS_CSS_H
#include "dvdcss/dvdcss.h"
#define KEY_SIZE 5
typedef uint8_t dvd_key_t[KEY_SIZE];
typedef struct dvd_title_s
{
int i_startlb;
dvd_key_t p_key;
struct dvd_title_s *p_next;
} dvd_title_t;
typedef struct css_s
{
int i_agid; /* Current Authenication Grant ID. */
dvd_key_t p_bus_key; /* Current session key. */
dvd_key_t p_disc_key; /* This DVD disc's key. */
dvd_key_t p_title_key; /* Current title key. */
} css_t;
/*****************************************************************************
* Prototypes in css.c
*****************************************************************************/
void _dvdcss_test ( dvdcss_t );
int _dvdcss_title ( dvdcss_t, int );
int _dvdcss_disckey ( dvdcss_t );
int _dvdcss_titlekey ( dvdcss_t, int , dvd_key_t );
int _dvdcss_unscramble ( uint8_t *, uint8_t * );
#endif /* DVDCSS_CSS_H */
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