1 /***************************************************************************** 2 * css.h: Structures for DVD authentication and unscrambling 3 ***************************************************************************** 4 * Copyright (C) 1999-2001 VideoLAN 5 * 6 * Author: Stéphane Borel <stef@via.ecp.fr> 7 * 8 * based on: 9 * - css-auth by Derek Fawcus <derek@spider.com> 10 * - DVD CSS ioctls example program by Andrew T. Veliath <andrewtv@usa.net> 11 * - DeCSSPlus by Ethan Hawke 12 * - The Divide and conquer attack by Frank A. Stevenson <frank@funcom.com> 13 * 14 * libdvdcss is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License as published by 16 * the Free Software Foundation; either version 2 of the License, or 17 * (at your option) any later version. 18 * 19 * libdvdcss is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License along 25 * with libdvdcss; if not, write to the Free Software Foundation, Inc., 26 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 27 *****************************************************************************/ 28 29 #ifndef DVDCSS_CSS_H 30 #define DVDCSS_CSS_H 31 32 #include <stdint.h> 33 34 #include "dvdcss/dvdcss.h" 35 36 #define CACHE_FILENAME_LENGTH_STRING "10" 37 38 #define DVD_KEY_SIZE 5 39 40 typedef uint8_t dvd_key[DVD_KEY_SIZE]; 41 42 typedef struct dvd_title 43 { 44 int i_startlb; 45 dvd_key p_key; 46 struct dvd_title *p_next; 47 } dvd_title; 48 49 typedef struct css 50 { 51 int i_agid; /* Current Authentication Grant ID. */ 52 dvd_key p_bus_key; /* Current session key. */ 53 dvd_key p_disc_key; /* This DVD disc's key. */ 54 dvd_key p_title_key; /* Current title key. */ 55 } css; 56 57 /***************************************************************************** 58 * Prototypes in css.c 59 *****************************************************************************/ 60 int dvdcss_test ( dvdcss_t ); 61 int dvdcss_title ( dvdcss_t, int ); 62 int dvdcss_disckey ( dvdcss_t ); 63 int dvdcss_unscramble ( uint8_t *, uint8_t * ); 64 65 #endif /* DVDCSS_CSS_H */ 66