mirror of
https://github.com/mpv-player/mpv
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57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
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/*****************************************************************************
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* css.h: Structures for DVD authentication and unscrambling
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*****************************************************************************
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* Copyright (C) 1999-2001 VideoLAN
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* $Id$
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*
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* Author: St<EFBFBD>phane Borel <stef@via.ecp.fr>
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*
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* based on:
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* - css-auth by Derek Fawcus <derek@spider.com>
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* - DVD CSS ioctls example program by Andrew T. Veliath <andrewtv@usa.net>
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* - DeCSSPlus by Ethan Hawke
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* - The Divide and conquer attack by Frank A. Stevenson <frank@funcom.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#define KEY_SIZE 5
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typedef u8 dvd_key_t[KEY_SIZE];
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typedef struct dvd_title_s
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{
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int i_startlb;
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dvd_key_t p_key;
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struct dvd_title_s *p_next;
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} dvd_title_t;
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typedef struct css_s
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{
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int i_agid; /* Current Authenication Grant ID. */
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dvd_key_t p_bus_key; /* Current session key. */
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dvd_key_t p_disc_key; /* This DVD disc's key. */
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dvd_key_t p_title_key; /* Current title key. */
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} css_t;
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/*****************************************************************************
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* Prototypes in css.c
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*****************************************************************************/
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int _dvdcss_test ( dvdcss_t );
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int _dvdcss_title ( dvdcss_t, int );
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int _dvdcss_disckey ( dvdcss_t );
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int _dvdcss_titlekey ( dvdcss_t, int , dvd_key_t );
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int _dvdcss_unscramble ( u8 *, u8 * );
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