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-New more recent css authentication code.
-Beginning of udf support (not in Makefile)
This commit is contained in:
Stéphane Borel
parent
0f601455ff
commit
16247a7506
@ -3,7 +3,7 @@
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*****************************************************************************
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* Copyright (C) 2000 VideoLAN
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*
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* Authors:
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* Authors: Samuel Hocevar <sam@zoy.org>
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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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@ -2,10 +2,18 @@
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* dvd_css.c: Functions for DVD authentification and unscrambling
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*****************************************************************************
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* Copyright (C) 1999-2001 VideoLAN
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* $Id: dvd_css.c,v 1.8 2001/02/14 04:11:01 stef Exp $
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* $Id: dvd_css.c,v 1.9 2001/02/15 21:03:27 stef Exp $
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*
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* Author: Stéphane 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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* - The Divide and conquer attack by Frank A. Stevenson<frank@funcom.com>
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* - DeCSSPlus by Ethan Hawke
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* - DecVOB
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* see http://www.lemuria.org/DeCSS/ by Tom Vogt for more information.
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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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@ -259,151 +267,145 @@ static u8 pi_css_tab5[256]=
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0xe0, 0x60, 0xa0, 0x20, 0xc0, 0x40, 0x80, 0x00
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};
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/* Mangle tables usesd for key decryption */
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static u8 pi_css_mangle0[256] =
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{
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0x00, 0x81, 0x03, 0x82, 0x06, 0x87, 0x05, 0x84,
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0x0C, 0x8D, 0x0F, 0x8E, 0x0A, 0x8B, 0x09, 0x88,
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0x18, 0x99, 0x1B, 0x9A, 0x1E, 0x9F, 0x1D, 0x9C,
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0x14, 0x95, 0x17, 0x96, 0x12, 0x93, 0x11, 0x90,
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0x30, 0xB1, 0x33, 0xB2, 0x36, 0xB7, 0x35, 0xB4,
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0x3C, 0xBD, 0x3F, 0xBE, 0x3A, 0xBB, 0x39, 0xB8,
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0x28, 0xA9, 0x2B, 0xAA, 0x2E, 0xAF, 0x2D, 0xAC,
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0x24, 0xA5, 0x27, 0xA6, 0x22, 0xA3, 0x21, 0xA0,
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0x60, 0xE1, 0x63, 0xE2, 0x66, 0xE7, 0x65, 0xE4,
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0x6C, 0xED, 0x6F, 0xEE, 0x6A, 0xEB, 0x69, 0xE8,
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0x78, 0xF9, 0x7B, 0xFA, 0x7E, 0xFF, 0x7D, 0xFC,
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0x74, 0xF5, 0x77, 0xF6, 0x72, 0xF3, 0x71, 0xF0,
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0x50, 0xD1, 0x53, 0xD2, 0x56, 0xD7, 0x55, 0xD4,
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0x5C, 0xDD, 0x5F, 0xDE, 0x5A, 0xDB, 0x59, 0xD8,
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0x48, 0xC9, 0x4B, 0xCA, 0x4E, 0xCF, 0x4D, 0xCC,
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0x44, 0xC5, 0x47, 0xC6, 0x42, 0xC3, 0x41, 0xC0,
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0xC0, 0x41, 0xC3, 0x42, 0xC6, 0x47, 0xC5, 0x44,
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0xCC, 0x4D, 0xCF, 0x4E, 0xCA, 0x4B, 0xC9, 0x48,
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0xD8, 0x59, 0xDB, 0x5A, 0xDE, 0x5F, 0xDD, 0x5C,
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0xD4, 0x55, 0xD7, 0x56, 0xD2, 0x53, 0xD1, 0x50,
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0xF0, 0x71, 0xF3, 0x72, 0xF6, 0x77, 0xF5, 0x74,
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0xFC, 0x7D, 0xFF, 0x7E, 0xFA, 0x7B, 0xF9, 0x78,
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0xE8, 0x69, 0xEB, 0x6A, 0xEE, 0x6F, 0xED, 0x6C,
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0xE4, 0x65, 0xE7, 0x66, 0xE2, 0x63, 0xE1, 0x60,
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0xA0, 0x21, 0xA3, 0x22, 0xA6, 0x27, 0xA5, 0x24,
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0xAC, 0x2D, 0xAF, 0x2E, 0xAA, 0x2B, 0xA9, 0x28,
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0xB8, 0x39, 0xBB, 0x3A, 0xBE, 0x3F, 0xBD, 0x3C,
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0xB4, 0x35, 0xB7, 0x36, 0xB2, 0x33, 0xB1, 0x30,
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0x90, 0x11, 0x93, 0x12, 0x96, 0x17, 0x95, 0x14,
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0x9C, 0x1D, 0x9F, 0x1E, 0x9A, 0x1B, 0x99, 0x18,
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0x88, 0x09, 0x8B, 0x0A, 0x8E, 0x0F, 0x8D, 0x0C,
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0x84, 0x05, 0x87, 0x06, 0x82, 0x03, 0x81, 0x00
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};
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static u8 pi_crypt_tab0[256] = {
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0xB7, 0xF4, 0x82, 0x57, 0xDA, 0x4D, 0xDB, 0xE2,
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0x2F, 0x52, 0x1A, 0xA8, 0x68, 0x5A, 0x8A, 0xFF,
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0xFB, 0x0E, 0x6D, 0x35, 0xF7, 0x5C, 0x76, 0x12,
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0xCE, 0x25, 0x79, 0x29, 0x39, 0x62, 0x08, 0x24,
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0xA5, 0x85, 0x7B, 0x56, 0x01, 0x23, 0x68, 0xCF,
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0x0A, 0xE2, 0x5A, 0xED, 0x3D, 0x59, 0xB0, 0xA9,
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0xB0, 0x2C, 0xF2, 0xB8, 0xEF, 0x32, 0xA9, 0x40,
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0x80, 0x71, 0xAF, 0x1E, 0xDE, 0x8F, 0x58, 0x88,
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0xB8, 0x3A, 0xD0, 0xFC, 0xC4, 0x1E, 0xB5, 0xA0,
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0xBB, 0x3B, 0x0F, 0x01, 0x7E, 0x1F, 0x9F, 0xD9,
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0xAA, 0xB8, 0x3D, 0x9D, 0x74, 0x1E, 0x25, 0xDB,
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0x37, 0x56, 0x8F, 0x16, 0xBA, 0x49, 0x2B, 0xAC,
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0xD0, 0xBD, 0x95, 0x20, 0xBE, 0x7A, 0x28, 0xD0,
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0x51, 0x64, 0x63, 0x1C, 0x7F, 0x66, 0x10, 0xBB,
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0xC4, 0x56, 0x1A, 0x04, 0x6E, 0x0A, 0xEC, 0x9C,
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0xD6, 0xE8, 0x9A, 0x7A, 0xCF, 0x8C, 0xDB, 0xB1,
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0xEF, 0x71, 0xDE, 0x31, 0xFF, 0x54, 0x3E, 0x5E,
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0x07, 0x69, 0x96, 0xB0, 0xCF, 0xDD, 0x9E, 0x47,
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0xC7, 0x96, 0x8F, 0xE4, 0x2B, 0x59, 0xC6, 0xEE,
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0xB9, 0x86, 0x9A, 0x64, 0x84, 0x72, 0xE2, 0x5B,
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0xA2, 0x96, 0x58, 0x99, 0x50, 0x03, 0xF5, 0x38,
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0x4D, 0x02, 0x7D, 0xE7, 0x7D, 0x75, 0xA7, 0xB8,
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0x67, 0x87, 0x84, 0x3F, 0x1D, 0x11, 0xE5, 0xFC,
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0x1E, 0xD3, 0x83, 0x16, 0xA5, 0x29, 0xF6, 0xC7,
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0x15, 0x61, 0x29, 0x1A, 0x43, 0x4F, 0x9B, 0xAF,
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0xC5, 0x87, 0x34, 0x6C, 0x0F, 0x3B, 0xA8, 0x1D,
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0x45, 0x58, 0x25, 0xDC, 0xA8, 0xA3, 0x3B, 0xD1,
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0x79, 0x1B, 0x48, 0xF2, 0xE9, 0x93, 0x1F, 0xFC,
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0xDB, 0x2A, 0x90, 0xA9, 0x8A, 0x3D, 0x39, 0x18,
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0xA3, 0x8E, 0x58, 0x6C, 0xE0, 0x12, 0xBB, 0x25,
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0xCD, 0x71, 0x22, 0xA2, 0x64, 0xC6, 0xE7, 0xFB,
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0xAD, 0x94, 0x77, 0x04, 0x9A, 0x39, 0xCF, 0x7C};
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static u8 pi_css_mangle1[256] =
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{
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0xC4, 0xCD, 0xCE, 0xCB, 0xC8, 0xC9, 0xCA, 0xCF,
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0xCC, 0xC5, 0xC6, 0xC3, 0xC0, 0xC1, 0xC2, 0xC7,
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0x14, 0x1D, 0x1E, 0x1B, 0x18, 0x19, 0x1A, 0x1F,
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0x1C, 0x15, 0x16, 0x13, 0x10, 0x11, 0x12, 0x17,
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0x24, 0x2D, 0x2E, 0x2B, 0x28, 0x29, 0x2A, 0x2F,
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0x2C, 0x25, 0x26, 0x23, 0x20, 0x21, 0x22, 0x27,
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0x34, 0x3D, 0x3E, 0x3B, 0x38, 0x39, 0x3A, 0x3F,
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0x3C, 0x35, 0x36, 0x33, 0x30, 0x31, 0x32, 0x37,
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0x04, 0x0D, 0x0E, 0x0B, 0x08, 0x09, 0x0A, 0x0F,
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0x0C, 0x05, 0x06, 0x03, 0x00, 0x01, 0x02, 0x07,
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0xD4, 0xDD, 0xDE, 0xDB, 0xD8, 0xD9, 0xDA, 0xDF,
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0xDC, 0xD5, 0xD6, 0xD3, 0xD0, 0xD1, 0xD2, 0xD7,
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0xE4, 0xED, 0xEE, 0xEB, 0xE8, 0xE9, 0xEA, 0xEF,
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0xEC, 0xE5, 0xE6, 0xE3, 0xE0, 0xE1, 0xE2, 0xE7,
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0xF4, 0xFD, 0xFE, 0xFB, 0xF8, 0xF9, 0xFA, 0xFF,
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0xFC, 0xF5, 0xF6, 0xF3, 0xF0, 0xF1, 0xF2, 0xF7,
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0x44, 0x4D, 0x4E, 0x4B, 0x48, 0x49, 0x4A, 0x4F,
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0x4C, 0x45, 0x46, 0x43, 0x40, 0x41, 0x42, 0x47,
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0x94, 0x9D, 0x9E, 0x9B, 0x98, 0x99, 0x9A, 0x9F,
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0x9C, 0x95, 0x96, 0x93, 0x90, 0x91, 0x92, 0x97,
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0xA4, 0xAD, 0xAE, 0xAB, 0xA8, 0xA9, 0xAA, 0xAF,
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0xAC, 0xA5, 0xA6, 0xA3, 0xA0, 0xA1, 0xA2, 0xA7,
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0xB4, 0xBD, 0xBE, 0xBB, 0xB8, 0xB9, 0xBA, 0xBF,
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0xBC, 0xB5, 0xB6, 0xB3, 0xB0, 0xB1, 0xB2, 0xB7,
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0x84, 0x8D, 0x8E, 0x8B, 0x88, 0x89, 0x8A, 0x8F,
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0x8C, 0x85, 0x86, 0x83, 0x80, 0x81, 0x82, 0x87,
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0x54, 0x5D, 0x5E, 0x5B, 0x58, 0x59, 0x5A, 0x5F,
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0x5C, 0x55, 0x56, 0x53, 0x50, 0x51, 0x52, 0x57,
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0x64, 0x6D, 0x6E, 0x6B, 0x68, 0x69, 0x6A, 0x6F,
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0x6C, 0x65, 0x66, 0x63, 0x60, 0x61, 0x62, 0x67,
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0x74, 0x7D, 0x7E, 0x7B, 0x78, 0x79, 0x7A, 0x7F,
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0x7C, 0x75, 0x76, 0x73, 0x70, 0x71, 0x72, 0x77
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};
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static u8 pi_crypt_tab1[256] = {
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0x8C, 0x47, 0xB0, 0xE1, 0xEB, 0xFC, 0xEB, 0x56,
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0x10, 0xE5, 0x2C, 0x1A, 0x5D, 0xEF, 0xBE, 0x4F,
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0x08, 0x75, 0x97, 0x4B, 0x0E, 0x25, 0x8E, 0x6E,
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0x39, 0x5A, 0x87, 0x53, 0xC4, 0x1F, 0xF4, 0x5C,
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0x4E, 0xE6, 0x99, 0x30, 0xE0, 0x42, 0x88, 0xAB,
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0xE5, 0x85, 0xBC, 0x8F, 0xD8, 0x3C, 0x54, 0xC9,
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0x53, 0x47, 0x18, 0xD6, 0x06, 0x5B, 0x41, 0x2C,
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0x67, 0x1E, 0x41, 0x74, 0x33, 0xE2, 0xB4, 0xE0,
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0x23, 0x29, 0x42, 0xEA, 0x55, 0x0F, 0x25, 0xB4,
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0x24, 0x2C, 0x99, 0x13, 0xEB, 0x0A, 0x0B, 0xC9,
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0xF9, 0x63, 0x67, 0x43, 0x2D, 0xC7, 0x7D, 0x07,
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0x60, 0x89, 0xD1, 0xCC, 0xE7, 0x94, 0x77, 0x74,
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0x9B, 0x7E, 0xD7, 0xE6, 0xFF, 0xBB, 0x68, 0x14,
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0x1E, 0xA3, 0x25, 0xDE, 0x3A, 0xA3, 0x54, 0x7B,
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0x87, 0x9D, 0x50, 0xCA, 0x27, 0xC3, 0xA4, 0x50,
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0x91, 0x27, 0xD4, 0xB0, 0x82, 0x41, 0x97, 0x79,
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0x94, 0x82, 0xAC, 0xC7, 0x8E, 0xA5, 0x4E, 0xAA,
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0x78, 0x9E, 0xE0, 0x42, 0xBA, 0x28, 0xEA, 0xB7,
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0x74, 0xAD, 0x35, 0xDA, 0x92, 0x60, 0x7E, 0xD2,
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0x0E, 0xB9, 0x24, 0x5E, 0x39, 0x4F, 0x5E, 0x63,
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0x09, 0xB5, 0xFA, 0xBF, 0xF1, 0x22, 0x55, 0x1C,
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0xE2, 0x25, 0xDB, 0xC5, 0xD8, 0x50, 0x03, 0x98,
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0xC4, 0xAC, 0x2E, 0x11, 0xB4, 0x38, 0x4D, 0xD0,
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0xB9, 0xFC, 0x2D, 0x3C, 0x08, 0x04, 0x5A, 0xEF,
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0xCE, 0x32, 0xFB, 0x4C, 0x92, 0x1E, 0x4B, 0xFB,
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0x1A, 0xD0, 0xE2, 0x3E, 0xDA, 0x6E, 0x7C, 0x4D,
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0x56, 0xC3, 0x3F, 0x42, 0xB1, 0x3A, 0x23, 0x4D,
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0x6E, 0x84, 0x56, 0x68, 0xF4, 0x0E, 0x03, 0x64,
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0xD0, 0xA9, 0x92, 0x2F, 0x8B, 0xBC, 0x39, 0x9C,
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0xAC, 0x09, 0x5E, 0xEE, 0xE5, 0x97, 0xBF, 0xA5,
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0xCE, 0xFA, 0x28, 0x2C, 0x6D, 0x4F, 0xEF, 0x77,
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0xAA, 0x1B, 0x79, 0x8E, 0x97, 0xB4, 0xC3, 0xF4};
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static u8 pi_css_mangle2[256] =
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{
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0xC4, 0x24, 0x14, 0x34, 0xCE, 0x2E, 0x1E, 0x3E,
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0xCD, 0x2D, 0x1D, 0x3D, 0xCB, 0x2B, 0x1B, 0x3B,
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0x44, 0xA4, 0x94, 0xB4, 0x4E, 0xAE, 0x9E, 0xBE,
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0x4D, 0xAD, 0x9D, 0xBD, 0x4B, 0xAB, 0x9B, 0xBB,
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0x04, 0xE4, 0xD4, 0xF4, 0x0E, 0xEE, 0xDE, 0xFE,
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0x0D, 0xED, 0xDD, 0xFD, 0x0B, 0xEB, 0xDB, 0xFB,
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0x84, 0x64, 0x54, 0x74, 0x8E, 0x6E, 0x5E, 0x7E,
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0x8D, 0x6D, 0x5D, 0x7D, 0x8B, 0x6B, 0x5B, 0x7B,
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0xCC, 0x2C, 0x1C, 0x3C, 0xC6, 0x26, 0x16, 0x36,
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0xC5, 0x25, 0x15, 0x35, 0xC3, 0x23, 0x13, 0x33,
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0x4C, 0xAC, 0x9C, 0xBC, 0x46, 0xA6, 0x96, 0xB6,
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0x45, 0xA5, 0x95, 0xB5, 0x43, 0xA3, 0x93, 0xB3,
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0x0C, 0xEC, 0xDC, 0xFC, 0x06, 0xE6, 0xD6, 0xF6,
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0x05, 0xE5, 0xD5, 0xF5, 0x03, 0xE3, 0xD3, 0xF3,
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0x8C, 0x6C, 0x5C, 0x7C, 0x86, 0x66, 0x56, 0x76,
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0x85, 0x65, 0x55, 0x75, 0x83, 0x63, 0x53, 0x73,
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0xC8, 0x28, 0x18, 0x38, 0xCA, 0x2A, 0x1A, 0x3A,
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0xC9, 0x29, 0x19, 0x39, 0xCF, 0x2F, 0x1F, 0x3F,
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0x48, 0xA8, 0x98, 0xB8, 0x4A, 0xAA, 0x9A, 0xBA,
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0x49, 0xA9, 0x99, 0xB9, 0x4F, 0xAF, 0x9F, 0xBF,
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0x08, 0xE8, 0xD8, 0xF8, 0x0A, 0xEA, 0xDA, 0xFA,
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0x09, 0xE9, 0xD9, 0xF9, 0x0F, 0xEF, 0xDF, 0xFF,
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0x88, 0x68, 0x58, 0x78, 0x8A, 0x6A, 0x5A, 0x7A,
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0x89, 0x69, 0x59, 0x79, 0x8F, 0x6F, 0x5F, 0x7F,
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0xC0, 0x20, 0x10, 0x30, 0xC2, 0x22, 0x12, 0x32,
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0xC1, 0x21, 0x11, 0x31, 0xC7, 0x27, 0x17, 0x37,
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0x40, 0xA0, 0x90, 0xB0, 0x42, 0xA2, 0x92, 0xB2,
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0x41, 0xA1, 0x91, 0xB1, 0x47, 0xA7, 0x97, 0xB7,
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0x00, 0xE0, 0xD0, 0xF0, 0x02, 0xE2, 0xD2, 0xF2,
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0x01, 0xE1, 0xD1, 0xF1, 0x07, 0xE7, 0xD7, 0xF7,
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0x80, 0x60, 0x50, 0x70, 0x82, 0x62, 0x52, 0x72,
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0x81, 0x61, 0x51, 0x71, 0x87, 0x67, 0x57, 0x77
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};
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static u8 pi_reverse[256] =
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{
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0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
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0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
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0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
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0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
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0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,
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0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
|
||||
0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,
|
||||
0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
|
||||
0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
|
||||
0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
|
||||
0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,
|
||||
0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
|
||||
0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,
|
||||
0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
|
||||
0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
|
||||
0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
|
||||
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
|
||||
0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
|
||||
0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
|
||||
0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
|
||||
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
|
||||
0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
|
||||
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
|
||||
0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
|
||||
0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
|
||||
0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
|
||||
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
|
||||
0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
|
||||
0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
|
||||
0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
|
||||
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
|
||||
0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
|
||||
};
|
||||
static u8 pi_crypt_tab2[256] = {
|
||||
0xB7, 0x75, 0x81, 0xD5, 0xDC, 0xCA, 0xDE, 0x66,
|
||||
0x23, 0xDF, 0x15, 0x26, 0x62, 0xD1, 0x83, 0x77,
|
||||
0xE3, 0x97, 0x76, 0xAF, 0xE9, 0xC3, 0x6B, 0x8E,
|
||||
0xDA, 0xB0, 0x6E, 0xBF, 0x2B, 0xF1, 0x19, 0xB4,
|
||||
0x95, 0x34, 0x48, 0xE4, 0x37, 0x94, 0x5D, 0x7B,
|
||||
0x36, 0x5F, 0x65, 0x53, 0x07, 0xE2, 0x89, 0x11,
|
||||
0x98, 0x85, 0xD9, 0x12, 0xC1, 0x9D, 0x84, 0xEC,
|
||||
0xA4, 0xD4, 0x88, 0xB8, 0xFC, 0x2C, 0x79, 0x28,
|
||||
0xD8, 0xDB, 0xB3, 0x1E, 0xA2, 0xF9, 0xD0, 0x44,
|
||||
0xD7, 0xD6, 0x60, 0xEF, 0x14, 0xF4, 0xF6, 0x31,
|
||||
0xD2, 0x41, 0x46, 0x67, 0x0A, 0xE1, 0x58, 0x27,
|
||||
0x43, 0xA3, 0xF8, 0xE0, 0xC8, 0xBA, 0x5A, 0x5C,
|
||||
0x80, 0x6C, 0xC6, 0xF2, 0xE8, 0xAD, 0x7D, 0x04,
|
||||
0x0D, 0xB9, 0x3C, 0xC2, 0x25, 0xBD, 0x49, 0x63,
|
||||
0x8C, 0x9F, 0x51, 0xCE, 0x20, 0xC5, 0xA1, 0x50,
|
||||
0x92, 0x2D, 0xDD, 0xBC, 0x8D, 0x4F, 0x9A, 0x71,
|
||||
0x2F, 0x30, 0x1D, 0x73, 0x39, 0x13, 0xFB, 0x1A,
|
||||
0xCB, 0x24, 0x59, 0xFE, 0x05, 0x96, 0x57, 0x0F,
|
||||
0x1F, 0xCF, 0x54, 0xBE, 0xF5, 0x06, 0x1B, 0xB2,
|
||||
0x6D, 0xD3, 0x4D, 0x32, 0x56, 0x21, 0x33, 0x0B,
|
||||
0x52, 0xE7, 0xAB, 0xEB, 0xA6, 0x74, 0x00, 0x4C,
|
||||
0xB1, 0x7F, 0x82, 0x99, 0x87, 0x0E, 0x5E, 0xC0,
|
||||
0x8F, 0xEE, 0x6F, 0x55, 0xF3, 0x7E, 0x08, 0x90,
|
||||
0xFA, 0xB6, 0x64, 0x70, 0x47, 0x4A, 0x17, 0xA7,
|
||||
0xB5, 0x40, 0x8A, 0x38, 0xE5, 0x68, 0x3E, 0x8B,
|
||||
0x69, 0xAA, 0x9B, 0x42, 0xA5, 0x10, 0x01, 0x35,
|
||||
0xFD, 0x61, 0x9E, 0xE6, 0x16, 0x9C, 0x86, 0xED,
|
||||
0xCD, 0x2E, 0xFF, 0xC4, 0x5B, 0xA0, 0xAE, 0xCC,
|
||||
0x4B, 0x3B, 0x03, 0xBB, 0x1C, 0x2A, 0xAC, 0x0C,
|
||||
0x3F, 0x93, 0xC7, 0x72, 0x7A, 0x09, 0x22, 0x3D,
|
||||
0x45, 0x78, 0xA9, 0xA8, 0xEA, 0xC9, 0x6A, 0xF7,
|
||||
0x29, 0x91, 0xF0, 0x02, 0x18, 0x3A, 0x4E, 0x7C};
|
||||
|
||||
static u8 pi_crypt_tab3[288] = {
|
||||
0x73, 0x51, 0x95, 0xE1, 0x12, 0xE4, 0xC0, 0x58,
|
||||
0xEE, 0xF2, 0x08, 0x1B, 0xA9, 0xFA, 0x98, 0x4C,
|
||||
0xA7, 0x33, 0xE2, 0x1B, 0xA7, 0x6D, 0xF5, 0x30,
|
||||
0x97, 0x1D, 0xF3, 0x02, 0x60, 0x5A, 0x82, 0x0F,
|
||||
0x91, 0xD0, 0x9C, 0x10, 0x39, 0x7A, 0x83, 0x85,
|
||||
0x3B, 0xB2, 0xB8, 0xAE, 0x0C, 0x09, 0x52, 0xEA,
|
||||
0x1C, 0xE1, 0x8D, 0x66, 0x4F, 0xF3, 0xDA, 0x92,
|
||||
0x29, 0xB9, 0xD5, 0xC5, 0x77, 0x47, 0x22, 0x53,
|
||||
0x14, 0xF7, 0xAF, 0x22, 0x64, 0xDF, 0xC6, 0x72,
|
||||
0x12, 0xF3, 0x75, 0xDA, 0xD7, 0xD7, 0xE5, 0x02,
|
||||
0x9E, 0xED, 0xDA, 0xDB, 0x4C, 0x47, 0xCE, 0x91,
|
||||
0x06, 0x06, 0x6D, 0x55, 0x8B, 0x19, 0xC9, 0xEF,
|
||||
0x8C, 0x80, 0x1A, 0x0E, 0xEE, 0x4B, 0xAB, 0xF2,
|
||||
0x08, 0x5C, 0xE9, 0x37, 0x26, 0x5E, 0x9A, 0x90,
|
||||
0x00, 0xF3, 0x0D, 0xB2, 0xA6, 0xA3, 0xF7, 0x26,
|
||||
0x17, 0x48, 0x88, 0xC9, 0x0E, 0x2C, 0xC9, 0x02,
|
||||
0xE7, 0x18, 0x05, 0x4B, 0xF3, 0x39, 0xE1, 0x20,
|
||||
0x02, 0x0D, 0x40, 0xC7, 0xCA, 0xB9, 0x48, 0x30,
|
||||
0x57, 0x67, 0xCC, 0x06, 0xBF, 0xAC, 0x81, 0x08,
|
||||
0x24, 0x7A, 0xD4, 0x8B, 0x19, 0x8E, 0xAC, 0xB4,
|
||||
0x5A, 0x0F, 0x73, 0x13, 0xAC, 0x9E, 0xDA, 0xB6,
|
||||
0xB8, 0x96, 0x5B, 0x60, 0x88, 0xE1, 0x81, 0x3F,
|
||||
0x07, 0x86, 0x37, 0x2D, 0x79, 0x14, 0x52, 0xEA,
|
||||
0x73, 0xDF, 0x3D, 0x09, 0xC8, 0x25, 0x48, 0xD8,
|
||||
0x75, 0x60, 0x9A, 0x08, 0x27, 0x4A, 0x2C, 0xB9,
|
||||
0xA8, 0x8B, 0x8A, 0x73, 0x62, 0x37, 0x16, 0x02,
|
||||
0xBD, 0xC1, 0x0E, 0x56, 0x54, 0x3E, 0x14, 0x5F,
|
||||
0x8C, 0x8F, 0x6E, 0x75, 0x1C, 0x07, 0x39, 0x7B,
|
||||
0x4B, 0xDB, 0xD3, 0x4B, 0x1E, 0xC8, 0x7E, 0xFE,
|
||||
0x3E, 0x72, 0x16, 0x83, 0x7D, 0xEE, 0xF5, 0xCA,
|
||||
0xC5, 0x18, 0xF9, 0xD8, 0x68, 0xAB, 0x38, 0x85,
|
||||
0xA8, 0xF0, 0xA1, 0x73, 0x9F, 0x5D, 0x19, 0x0B,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x33, 0x72, 0x39, 0x25, 0x67, 0x26, 0x6D, 0x71,
|
||||
0x36, 0x77, 0x3C, 0x20, 0x62, 0x23, 0x68, 0x74,
|
||||
0xC3, 0x82, 0xC9, 0x15, 0x57, 0x16, 0x5D, 0x81};
|
||||
/*
|
||||
* Local functions
|
||||
*/
|
||||
@ -449,9 +451,6 @@ static int CSSGetASF( int i_fd )
|
||||
static void CSSCryptKey( int i_key_type, int i_varient,
|
||||
u8 const * pi_challenge, u8* pi_key )
|
||||
{
|
||||
/* "Secret" key */
|
||||
u8 pi_css_secret[5] = { 0xE2, 0xA3, 0x45, 0x10, 0xF4 };
|
||||
|
||||
/* Permutation table for challenge */
|
||||
u8 ppi_perm_challenge[3][10] =
|
||||
{ { 1, 3, 0, 7, 5, 2, 9, 6, 4, 8 },
|
||||
@ -469,131 +468,184 @@ static void CSSCryptKey( int i_key_type, int i_varient,
|
||||
0x13, 0x1b, 0x17, 0x1f, 0x03, 0x0b, 0x07, 0x0f,
|
||||
0x11, 0x19, 0x15, 0x1d, 0x01, 0x09, 0x05, 0x0d } };
|
||||
|
||||
/* CSS varient for mangling */
|
||||
u8 pi_css_varients[32] =
|
||||
{ 0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15,
|
||||
0x20, 0x21, 0x24, 0x25, 0x30, 0x31, 0x34, 0x35,
|
||||
0x80, 0x81, 0x84, 0x85, 0x90, 0x91, 0x94, 0x95,
|
||||
0xA0, 0xA1, 0xA4, 0xA5, 0xB0, 0xB1, 0xB4, 0xB5 };
|
||||
u8 pi_varients[32] =
|
||||
{ 0xB7, 0x74, 0x85, 0xD0, 0xCC, 0xDB, 0xCA, 0x73,
|
||||
0x03, 0xFE, 0x31, 0x03, 0x52, 0xE0, 0xB7, 0x42,
|
||||
0x63, 0x16, 0xF2, 0x2A, 0x79, 0x52, 0xFF, 0x1B,
|
||||
0x7A, 0x11, 0xCA, 0x1A, 0x9B, 0x40, 0xAD, 0x01 };
|
||||
|
||||
/* The "secret" key */
|
||||
u8 pi_secret[5] = { 0x55, 0xD6, 0xC4, 0xC5, 0x28 };
|
||||
|
||||
u8 pi_bits[30];
|
||||
u8 pi_scratch[10];
|
||||
u8 pi_tmp1[5];
|
||||
u8 pi_tmp2[5];
|
||||
u8 i_lfsr0_o;
|
||||
u8 i_lfsr1_o;
|
||||
u8 i_lfsr0_o; /* 1 bit used */
|
||||
u8 i_lfsr1_o; /* 1 bit used */
|
||||
u32 i_lfsr0;
|
||||
u32 i_lfsr1;
|
||||
u8 i_css_varient;
|
||||
int i_val = 0;
|
||||
u8 i_cse;
|
||||
u8 i_index;
|
||||
u8 i_combined;
|
||||
u8 i_carry;
|
||||
u8 i_val = 0;
|
||||
int i_term = 0;
|
||||
int i, i_index;
|
||||
int i_bit;
|
||||
int i;
|
||||
|
||||
for( i=0 ; i<10 ; i++ )
|
||||
{
|
||||
for (i = 9; i >= 0; --i)
|
||||
pi_scratch[i] = pi_challenge[ppi_perm_challenge[i_key_type][i]];
|
||||
}
|
||||
i_css_varient = i_key_type == 0 ? i_varient
|
||||
: ppi_perm_varient[i_key_type-1][i_varient];
|
||||
|
||||
for( i=0 ; i<5 ; i++ )
|
||||
i_css_varient = ( i_key_type == 0 ) ? i_varient :
|
||||
ppi_perm_varient[i_key_type-1][i_varient];
|
||||
|
||||
/*
|
||||
* This encryption engine implements one of 32 variations
|
||||
* one the same theme depending upon the choice in the
|
||||
* varient parameter (0 - 31).
|
||||
*
|
||||
* The algorithm itself manipulates a 40 bit input into
|
||||
* a 40 bit output.
|
||||
* The parameter 'input' is 80 bits. It consists of
|
||||
* the 40 bit input value that is to be encrypted followed
|
||||
* by a 40 bit seed value for the pseudo random number
|
||||
* generators.
|
||||
*/
|
||||
|
||||
/* Feed the secret into the input values such that
|
||||
* we alter the seed to the LFSR's used above, then
|
||||
* generate the bits to play with.
|
||||
*/
|
||||
for( i = 5 ; --i >= 0 ; )
|
||||
{
|
||||
pi_tmp1[i] = pi_scratch[5+i] ^ pi_css_secret[i];
|
||||
pi_tmp1[i] = pi_scratch[5 + i] ^ pi_secret[i] ^ pi_crypt_tab2[i];
|
||||
}
|
||||
|
||||
/*
|
||||
* We use two LFSR's (seeded from some of the input data bytes) to
|
||||
* generate two streams of pseudo-random bits. These two bit streams
|
||||
* are then combined by simply adding with carry to generate a final
|
||||
* sequence of pseudo-random bits which is stored in the buffer that
|
||||
* 'output' points to the end of - len is the size of this buffer.
|
||||
*
|
||||
* The first LFSR is of degree 25, and has a polynomial of:
|
||||
* x^13 + x^5 + x^4 + x^1 + 1
|
||||
*
|
||||
* The second LSFR is of degree 17, and has a (primitive) polynomial of:
|
||||
* x^15 + x^1 + 1
|
||||
*
|
||||
* I don't know if these polynomials are primitive modulo 2, and thus
|
||||
* represent maximal-period LFSR's.
|
||||
*
|
||||
*
|
||||
* Note that we take the output of each LFSR from the new shifted in
|
||||
* bit, not the old shifted out bit. Thus for ease of use the LFSR's
|
||||
* are implemented in bit reversed order.
|
||||
*
|
||||
*/
|
||||
|
||||
/* In order to ensure that the LFSR works we need to ensure that the
|
||||
* initial values are non-zero. Thus when we initialise them from
|
||||
* the seed, we ensure that a bit is set.
|
||||
*/
|
||||
i_lfsr0 = ( pi_tmp1[0] << 17 ) | ( pi_tmp1[1] << 9 ) |
|
||||
( ( pi_tmp1[2] & ~7 ) << 1 ) | 8 | (pi_tmp1[2] & 7);
|
||||
(( pi_tmp1[2] & ~7 ) << 1 ) | 8 | ( pi_tmp1[2] & 7 );
|
||||
i_lfsr1 = ( pi_tmp1[3] << 9 ) | 0x100 | pi_tmp1[4];
|
||||
|
||||
|
||||
/*
|
||||
* reverse lfsr0/1 to simplify calculation in loop
|
||||
*/
|
||||
i_lfsr0 = ( pi_reverse[i_lfsr0 & 0xff] << 17 ) |
|
||||
( pi_reverse[( i_lfsr0 >> 8 ) & 0xff] << 9 ) |
|
||||
( pi_reverse[( i_lfsr0 >> 16 ) & 0xff] << 1) |
|
||||
( i_lfsr0 >> 24 );
|
||||
|
||||
i_lfsr1 = ( pi_reverse[pi_tmp1[4]] << 9 ) | 0x100 |
|
||||
( pi_reverse[pi_tmp1[3]] );
|
||||
|
||||
i_index = sizeof( pi_bits );
|
||||
i_index = sizeof(pi_bits);
|
||||
i_carry = 0;
|
||||
|
||||
do
|
||||
{
|
||||
i_lfsr0_o = ( i_lfsr0 >> 12) ^ ( i_lfsr0 >> 4) ^
|
||||
( i_lfsr0 >> 3) ^ i_lfsr0;
|
||||
for( i_bit = 0, i_val = 0 ; i_bit < 8 ; ++i_bit )
|
||||
{
|
||||
|
||||
i_lfsr1_o = ( ( i_lfsr1 >> 14 ) & 7) ^ i_lfsr1;
|
||||
i_lfsr1_o ^= ( i_lfsr1_o << 3 ) ^ ( i_lfsr1_o << 6 );
|
||||
i_lfsr0_o = ( ( i_lfsr0 >> 24 ) ^ ( i_lfsr0 >> 21 ) ^
|
||||
( i_lfsr0 >> 20 ) ^ ( i_lfsr0 >> 12 ) ) & 1;
|
||||
i_lfsr0 = ( i_lfsr0 << 1 ) | i_lfsr0_o;
|
||||
|
||||
i_lfsr1 = ( i_lfsr1 >> 8) ^ ( i_lfsr1_o << 9);
|
||||
i_lfsr0 = ( i_lfsr0 >> 8 ) ^ ( i_lfsr0_o << 17);
|
||||
i_lfsr1_o = ( ( i_lfsr1 >> 16 ) ^ ( i_lfsr1 >> 2 ) ) & 1;
|
||||
i_lfsr1 = ( i_lfsr1 << 1 ) | i_lfsr1_o;
|
||||
|
||||
i_lfsr0_o = ~i_lfsr0_o;
|
||||
i_lfsr1_o = ~i_lfsr1_o;
|
||||
|
||||
i_val += i_lfsr0_o + i_lfsr1_o;
|
||||
|
||||
pi_bits[--i_index] = i_val & 0xFF;
|
||||
i_val >>= 8;
|
||||
#define BIT0(x) ((x) & 1)
|
||||
#define BIT1(x) (((x) >> 1) & 1)
|
||||
|
||||
i_combined = !i_lfsr1_o + i_carry + !i_lfsr0_o;
|
||||
/* taking bit 1 */
|
||||
i_carry = ( i_combined >> 1 ) & 1;
|
||||
i_val |= ( i_combined & 1 ) << i_bit;
|
||||
}
|
||||
|
||||
pi_bits[--i_index] = i_val;
|
||||
} while( i_index > 0 );
|
||||
|
||||
i_css_varient = pi_css_varients[i_css_varient];
|
||||
|
||||
/*
|
||||
* Mangling
|
||||
/* This term is used throughout the following to
|
||||
* select one of 32 different variations on the
|
||||
* algorithm.
|
||||
*/
|
||||
i_cse = pi_varients[i_css_varient] ^ pi_crypt_tab2[i_css_varient];
|
||||
|
||||
/* Now the actual blocks doing the encryption. Each
|
||||
* of these works on 40 bits at a time and are quite
|
||||
* similar.
|
||||
*/
|
||||
i_index = 0;
|
||||
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_scratch[i] )
|
||||
{
|
||||
i_index = pi_bits[25+i] ^ pi_scratch[i];
|
||||
i_index = pi_css_mangle1[i_index] ^ i_css_varient;
|
||||
pi_tmp1[i] = pi_css_mangle2[i_index] ^ i_term;
|
||||
i_index = pi_bits[25 + i] ^ pi_scratch[i];
|
||||
i_index = pi_crypt_tab1[i_index] ^ ~pi_crypt_tab2[i_index] ^ i_cse;
|
||||
|
||||
pi_tmp1[i] = pi_crypt_tab2[i_index] ^ pi_crypt_tab3[i_index] ^ i_term;
|
||||
}
|
||||
pi_tmp1[4] ^= pi_tmp1[0];
|
||||
|
||||
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp1[i] )
|
||||
{
|
||||
i_index = pi_bits[20+i] ^ pi_tmp1[i];
|
||||
i_index = pi_css_mangle1[i_index] ^ i_css_varient;
|
||||
pi_tmp2[i] = pi_css_mangle2[i_index] ^ i_term;
|
||||
i_index = pi_bits[20 + i] ^ pi_tmp1[i];
|
||||
i_index = pi_crypt_tab1[i_index] ^ ~pi_crypt_tab2[i_index] ^ i_cse;
|
||||
|
||||
pi_tmp2[i] = pi_crypt_tab2[i_index] ^ pi_crypt_tab3[i_index] ^ i_term;
|
||||
}
|
||||
pi_tmp2[4] ^= pi_tmp2[0];
|
||||
|
||||
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp2[i] )
|
||||
{
|
||||
i_index = pi_bits[15+i] ^ pi_tmp2[i];
|
||||
i_index = pi_css_mangle1[i_index] ^ i_css_varient;
|
||||
i_index = pi_css_mangle2[i_index] ^ i_term;
|
||||
pi_tmp1[i] = pi_css_mangle0[i_index];
|
||||
i_index = pi_bits[15 + i] ^ pi_tmp2[i];
|
||||
i_index = pi_crypt_tab1[i_index] ^ ~pi_crypt_tab2[i_index] ^ i_cse;
|
||||
i_index = pi_crypt_tab2[i_index] ^ pi_crypt_tab3[i_index] ^ i_term;
|
||||
|
||||
pi_tmp1[i] = pi_crypt_tab0[i_index] ^ pi_crypt_tab2[i_index];
|
||||
}
|
||||
pi_tmp1[4] ^= pi_tmp1[0];
|
||||
|
||||
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp1[i] )
|
||||
{
|
||||
i_index = pi_bits[10+i] ^ pi_tmp1[i];
|
||||
i_index = pi_css_mangle1[i_index] ^ i_css_varient;
|
||||
i_index = pi_css_mangle2[i_index] ^ i_term;
|
||||
pi_tmp2[i] = pi_css_mangle0[i_index];
|
||||
i_index = pi_bits[10 + i] ^ pi_tmp1[i];
|
||||
i_index = pi_crypt_tab1[i_index] ^ ~pi_crypt_tab2[i_index] ^ i_cse;
|
||||
|
||||
i_index = pi_crypt_tab2[i_index] ^ pi_crypt_tab3[i_index] ^ i_term;
|
||||
|
||||
pi_tmp2[i] = pi_crypt_tab0[i_index] ^ pi_crypt_tab2[i_index];
|
||||
}
|
||||
pi_tmp2[4] ^= pi_tmp2[0];
|
||||
|
||||
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp2[i] )
|
||||
{
|
||||
i_index = pi_bits[5+i] ^ pi_tmp2[i];
|
||||
i_index = pi_css_mangle1[i_index] ^ i_css_varient;
|
||||
pi_tmp1[i] = pi_css_mangle2[i_index] ^ i_term;
|
||||
i_index = pi_bits[5 + i] ^ pi_tmp2[i];
|
||||
i_index = pi_crypt_tab1[i_index] ^ ~pi_crypt_tab2[i_index] ^ i_cse;
|
||||
|
||||
pi_tmp1[i] = pi_crypt_tab2[i_index] ^ pi_crypt_tab3[i_index] ^ i_term;
|
||||
}
|
||||
pi_tmp1[4] ^= pi_tmp1[0];
|
||||
|
||||
for( i=5, i_term=0 ; --i>=0 ; i_term=pi_tmp1[i] )
|
||||
for(i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp1[i] )
|
||||
{
|
||||
i_index = pi_bits[i] ^ pi_tmp1[i];
|
||||
i_index = pi_css_mangle1[i_index] ^ i_css_varient;
|
||||
pi_key[i] = pi_css_mangle2[i_index] ^ i_term;
|
||||
i_index = pi_crypt_tab1[i_index] ^ ~pi_crypt_tab2[i_index] ^ i_cse;
|
||||
|
||||
pi_key[i] = pi_crypt_tab2[i_index] ^ pi_crypt_tab3[i_index] ^ i_term;
|
||||
}
|
||||
|
||||
return;
|
||||
|
||||
@ -2,10 +2,16 @@
|
||||
* dvd_css.h: Structures for DVD authentification and unscrambling
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999-2001 VideoLAN
|
||||
* $Id: dvd_css.h,v 1.2 2001/02/13 10:08:51 stef Exp $
|
||||
* $Id: dvd_css.h,v 1.3 2001/02/15 21:03:27 stef Exp $
|
||||
*
|
||||
* 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
|
||||
|
||||
@ -2,10 +2,15 @@
|
||||
* dvd_ifo.c: Functions for ifo parsing
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999-2001 VideoLAN
|
||||
* $Id: dvd_ifo.c,v 1.7 2001/02/14 04:11:01 stef Exp $
|
||||
* $Id: dvd_ifo.c,v 1.8 2001/02/15 21:03:27 stef Exp $
|
||||
*
|
||||
* Author: Stéphane Borel <stef@via.ecp.fr>
|
||||
*
|
||||
* based on:
|
||||
* - libifo by Thomas Mirlacher <dent@cosy.sbg.ac.at>
|
||||
* - IFO structure documentation by Thomas Mirlacher, Björn Englund,
|
||||
* Håkan Hjort
|
||||
*
|
||||
* 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
|
||||
@ -62,7 +67,7 @@ static int IfoFindVMG( ifo_t* p_ifo )
|
||||
}
|
||||
p_ifo->i_off = p_ifo->i_pos;
|
||||
|
||||
//fprintf( stderr, "VMG Off : %lld\n", (long long)(p_ifo->i_off) );
|
||||
fprintf( stderr, "VMG Off : %lld\n", (long long)(p_ifo->i_off) );
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -87,7 +92,7 @@ static int IfoFindVTS( ifo_t* p_ifo )
|
||||
}
|
||||
p_ifo->i_off = p_ifo->i_pos;
|
||||
|
||||
//fprintf( stderr, "VTS Off : %lld\n", (long long)(p_ifo->i_off) );
|
||||
fprintf( stderr, "VTS Off : %lld\n", (long long)(p_ifo->i_off) );
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -1115,7 +1120,7 @@ void IfoRead( ifo_t* p_ifo )
|
||||
|
||||
i_off = (off_t)(p_ifo->vmg.ptt_srpt.p_tts[i].i_ssector) *DVD_LB_SIZE;
|
||||
p_ifo->i_pos = lseek( p_ifo->i_fd, i_off, SEEK_SET );
|
||||
//fprintf( stderr, "%lld\n" , p_ifo->i_pos );
|
||||
fprintf( stderr, "%lld\n" , p_ifo->i_pos );
|
||||
|
||||
/* FIXME : use udf filesystem to avoid this */
|
||||
IfoFindVTS( p_ifo );
|
||||
|
||||
@ -2,10 +2,15 @@
|
||||
* dvd_ifo.h: Structures for ifo parsing
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999-2001 VideoLAN
|
||||
* $Id: dvd_ifo.h,v 1.5 2001/02/14 04:11:01 stef Exp $
|
||||
* $Id: dvd_ifo.h,v 1.6 2001/02/15 21:03:27 stef Exp $
|
||||
*
|
||||
* Author: Stéphane Borel <stef@via.ecp.fr>
|
||||
*
|
||||
* based on:
|
||||
* - libifo by Thomas Mirlacher <dent@cosy.sbg.ac.at>
|
||||
* - IFO structure documentation by Thomas Mirlacher, Björn Englund,
|
||||
* Håkan Hjort
|
||||
*
|
||||
* 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
|
||||
|
||||
198
plugins/dvd/dvd_udf.c
Normal file
198
plugins/dvd/dvd_udf.c
Normal file
@ -0,0 +1,198 @@
|
||||
/*****************************************************************************
|
||||
* dvd_udf.c: udf filesystem tools.
|
||||
* ---
|
||||
* Mainly used to find asolute logical block adress of *.ifo files
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1998-2001 VideoLAN
|
||||
* $Id: dvd_udf.c,v 1.1 2001/02/15 21:03:27 stef Exp $
|
||||
*
|
||||
* Author: Stéphane Borel <stef@via.ecp.fr>
|
||||
*
|
||||
* based on:
|
||||
* - dvdudf by Christian Wolff <scarabaeus@convergence.de>
|
||||
*
|
||||
* 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
|
||||
*****************************************************************************/
|
||||
/*
|
||||
* Preamble
|
||||
*/
|
||||
#include "defs.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
#include <netinet/in.h>
|
||||
|
||||
#include "common.h"
|
||||
#include "intf_msg.h"
|
||||
#include "input_dvd.h"
|
||||
|
||||
/*
|
||||
* Local structures
|
||||
*/
|
||||
typedef struct partition_s
|
||||
{
|
||||
int i_valid;
|
||||
u8 pi_volume_desc[128];
|
||||
u16 i_flags;
|
||||
u16 i_number;
|
||||
u8 pi_contents[32];
|
||||
u32 i_accessType;
|
||||
u32 i_start;
|
||||
u32 i_length;
|
||||
} partition_t;
|
||||
|
||||
typedef struct ad_s
|
||||
{
|
||||
u32 i_location;
|
||||
u32 i_length;
|
||||
u8 i_flags;
|
||||
u16 i_partition;
|
||||
} ad_t;
|
||||
|
||||
/*
|
||||
* Local functions
|
||||
*/
|
||||
|
||||
/*****************************************************************************
|
||||
* UDFDecode: decode udf data that is unicode encoded
|
||||
*****************************************************************************/
|
||||
static int UDFDecode( u8 * pi_data, int i_len, char * psz_target )
|
||||
{
|
||||
int p = 1;
|
||||
int i = 0;
|
||||
|
||||
if( !( pi_data[0] & 0x18 ) )
|
||||
{
|
||||
psz_target[0] ='\0';
|
||||
return 0;
|
||||
}
|
||||
|
||||
if( data[0] & 0x10 )
|
||||
{
|
||||
/* ignore MSB of unicode16 */
|
||||
p++;
|
||||
|
||||
while( p < i_len )
|
||||
{
|
||||
psz_target[i++] = pi_data[p+=2];
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
while( p < i_len )
|
||||
{
|
||||
psz_target[i++] = pi_data[p++];
|
||||
}
|
||||
}
|
||||
|
||||
psz_target[i]='\0';
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* UDFInit: some check and initialization in udf filesystem
|
||||
*****************************************************************************/
|
||||
int UDFInit( u8 * pi_data, udf_t * p_udf )
|
||||
{
|
||||
u32i lbsize,MT_L,N_PM;
|
||||
|
||||
UDFDecode( &pi_data[84], 128, p_udf->psz_volume_desc );
|
||||
lbsize = GETN4(212); // should be 2048
|
||||
MT_L = GETN4(264); // should be 6
|
||||
N_PM = GETN4(268); // should be 1
|
||||
|
||||
if( lbsize != DVD_LB_SIZE )
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* UDFFileEntry:
|
||||
*****************************************************************************/
|
||||
int UDFFileEntry (uint8_t *data, uint8_t *FileType, struct AD *ad)
|
||||
{
|
||||
uint8_t filetype;
|
||||
uint16_t flags;
|
||||
uint32_t L_EA,L_AD;
|
||||
int p;
|
||||
|
||||
UDFICB(&data[16],&filetype,&flags);
|
||||
FileType[0]=filetype;
|
||||
L_EA=GETN4(168);
|
||||
L_AD=GETN4(172);
|
||||
p=176+L_EA;
|
||||
|
||||
while (p<176+L_EA+L_AD) {
|
||||
switch (flags&0x07) {
|
||||
case 0:
|
||||
UDFAD (&data[p], ad, UDFADshort);
|
||||
p += 0x08;
|
||||
break;
|
||||
case 1:
|
||||
UDFAD (&data[p], ad, UDFADlong);
|
||||
p += 0x10;
|
||||
break;
|
||||
case 2: UDFAD (&data[p], ad, UDFADext);
|
||||
p += 0x14;
|
||||
break;
|
||||
case 3:
|
||||
switch (L_AD) {
|
||||
case 0x08:
|
||||
UDFAD (&data[p], ad, UDFADshort);
|
||||
break;
|
||||
case 0x10:
|
||||
UDFAD (&data[p], ad, UDFADlong);
|
||||
break;
|
||||
case 0x14:
|
||||
UDFAD (&data[p], ad, UDFADext);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
p += L_AD;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* UDFFileIdentifier:
|
||||
*****************************************************************************/
|
||||
int UDFFileIdentifier (uint8_t *data, uint8_t *FileCharacteristics, char *FileName, struct AD *FileICB)
|
||||
{
|
||||
uint8_t L_FI;
|
||||
uint16_t L_IU;
|
||||
|
||||
FileCharacteristics[0]=GETN1(18);
|
||||
L_FI=GETN1(19);
|
||||
UDFAD(&data[20],FileICB,UDFADlong);
|
||||
L_IU=GETN2(36);
|
||||
|
||||
if (L_FI)
|
||||
_Unicodedecode (&data[38+L_IU],L_FI,FileName);
|
||||
else
|
||||
FileName[0]='\0';
|
||||
|
||||
return 4*((38+L_FI+L_IU+3)/4);
|
||||
}
|
||||
|
||||
|
||||
25
plugins/dvd/dvd_udf.h
Normal file
25
plugins/dvd/dvd_udf.h
Normal file
@ -0,0 +1,25 @@
|
||||
/*****************************************************************************
|
||||
* dvd_udf.h: structures for udf filesystem tools.
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1998-2001 VideoLAN
|
||||
* $Id: dvd_udf.h,v 1.1 2001/02/15 21:03:27 stef Exp $
|
||||
*
|
||||
* Author: Stéphane Borel <stef@via.ecp.fr>
|
||||
*
|
||||
* based on:
|
||||
* - dvdudf by Christian Wolff <scarabaeus@convergence.de>
|
||||
*
|
||||
* 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
|
||||
*****************************************************************************/
|
||||
@ -23,6 +23,7 @@
|
||||
/*****************************************************************************
|
||||
* Preamble
|
||||
*****************************************************************************/
|
||||
/* Logical block size for DVD-VIDEO */
|
||||
#define DVD_LB_SIZE 2048
|
||||
|
||||
/*****************************************************************************
|
||||
|
||||
Loading…
Reference in New Issue
Block a user