Commit 95ef185a authored by Stéphane Borel's avatar Stéphane Borel

* Beginning of support for encrypted DVDs.

* It only tests encryption and authenticates disc.

The decryption does not work now et it is very ugly but I'm working on it.
parent 2378ce90
......@@ -187,6 +187,7 @@ INTERFACE = src/interface/main.o \
INPUT = src/input/input_ps.o \
src/input/input_ts.o \
src/input/dvd_ifo.o \
src/input/dvd_css.o \
src/input/input_dvd.o \
src/input/mpeg_system.o \
src/input/input_ext-dec.o \
......
/*****************************************************************************
* css_table.h : Various tables needed by css unencryption
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
*
* Author: Stphane Borel <stef@via.ecp.fr>
*
* 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.
*****************************************************************************/
u8 pi_css_mangle0[256] = {
0x00,0x81,0x03,0x82,0x06,0x87,0x05,0x84,0x0C,0x8D,0x0F,0x8E,0x0A,0x8B,0x09,0x88,
0x18,0x99,0x1B,0x9A,0x1E,0x9F,0x1D,0x9C,0x14,0x95,0x17,0x96,0x12,0x93,0x11,0x90,
0x30,0xB1,0x33,0xB2,0x36,0xB7,0x35,0xB4,0x3C,0xBD,0x3F,0xBE,0x3A,0xBB,0x39,0xB8,
0x28,0xA9,0x2B,0xAA,0x2E,0xAF,0x2D,0xAC,0x24,0xA5,0x27,0xA6,0x22,0xA3,0x21,0xA0,
0x60,0xE1,0x63,0xE2,0x66,0xE7,0x65,0xE4,0x6C,0xED,0x6F,0xEE,0x6A,0xEB,0x69,0xE8,
0x78,0xF9,0x7B,0xFA,0x7E,0xFF,0x7D,0xFC,0x74,0xF5,0x77,0xF6,0x72,0xF3,0x71,0xF0,
0x50,0xD1,0x53,0xD2,0x56,0xD7,0x55,0xD4,0x5C,0xDD,0x5F,0xDE,0x5A,0xDB,0x59,0xD8,
0x48,0xC9,0x4B,0xCA,0x4E,0xCF,0x4D,0xCC,0x44,0xC5,0x47,0xC6,0x42,0xC3,0x41,0xC0,
0xC0,0x41,0xC3,0x42,0xC6,0x47,0xC5,0x44,0xCC,0x4D,0xCF,0x4E,0xCA,0x4B,0xC9,0x48,
0xD8,0x59,0xDB,0x5A,0xDE,0x5F,0xDD,0x5C,0xD4,0x55,0xD7,0x56,0xD2,0x53,0xD1,0x50,
0xF0,0x71,0xF3,0x72,0xF6,0x77,0xF5,0x74,0xFC,0x7D,0xFF,0x7E,0xFA,0x7B,0xF9,0x78,
0xE8,0x69,0xEB,0x6A,0xEE,0x6F,0xED,0x6C,0xE4,0x65,0xE7,0x66,0xE2,0x63,0xE1,0x60,
0xA0,0x21,0xA3,0x22,0xA6,0x27,0xA5,0x24,0xAC,0x2D,0xAF,0x2E,0xAA,0x2B,0xA9,0x28,
0xB8,0x39,0xBB,0x3A,0xBE,0x3F,0xBD,0x3C,0xB4,0x35,0xB7,0x36,0xB2,0x33,0xB1,0x30,
0x90,0x11,0x93,0x12,0x96,0x17,0x95,0x14,0x9C,0x1D,0x9F,0x1E,0x9A,0x1B,0x99,0x18,
0x88,0x09,0x8B,0x0A,0x8E,0x0F,0x8D,0x0C,0x84,0x05,0x87,0x06,0x82,0x03,0x81,0x00
};
u8 pi_css_mangle1[256] = {
0xC4,0xCD,0xCE,0xCB,0xC8,0xC9,0xCA,0xCF,0xCC,0xC5,0xC6,0xC3,0xC0,0xC1,0xC2,0xC7,
0x14,0x1D,0x1E,0x1B,0x18,0x19,0x1A,0x1F,0x1C,0x15,0x16,0x13,0x10,0x11,0x12,0x17,
0x24,0x2D,0x2E,0x2B,0x28,0x29,0x2A,0x2F,0x2C,0x25,0x26,0x23,0x20,0x21,0x22,0x27,
0x34,0x3D,0x3E,0x3B,0x38,0x39,0x3A,0x3F,0x3C,0x35,0x36,0x33,0x30,0x31,0x32,0x37,
0x04,0x0D,0x0E,0x0B,0x08,0x09,0x0A,0x0F,0x0C,0x05,0x06,0x03,0x00,0x01,0x02,0x07,
0xD4,0xDD,0xDE,0xDB,0xD8,0xD9,0xDA,0xDF,0xDC,0xD5,0xD6,0xD3,0xD0,0xD1,0xD2,0xD7,
0xE4,0xED,0xEE,0xEB,0xE8,0xE9,0xEA,0xEF,0xEC,0xE5,0xE6,0xE3,0xE0,0xE1,0xE2,0xE7,
0xF4,0xFD,0xFE,0xFB,0xF8,0xF9,0xFA,0xFF,0xFC,0xF5,0xF6,0xF3,0xF0,0xF1,0xF2,0xF7,
0x44,0x4D,0x4E,0x4B,0x48,0x49,0x4A,0x4F,0x4C,0x45,0x46,0x43,0x40,0x41,0x42,0x47,
0x94,0x9D,0x9E,0x9B,0x98,0x99,0x9A,0x9F,0x9C,0x95,0x96,0x93,0x90,0x91,0x92,0x97,
0xA4,0xAD,0xAE,0xAB,0xA8,0xA9,0xAA,0xAF,0xAC,0xA5,0xA6,0xA3,0xA0,0xA1,0xA2,0xA7,
0xB4,0xBD,0xBE,0xBB,0xB8,0xB9,0xBA,0xBF,0xBC,0xB5,0xB6,0xB3,0xB0,0xB1,0xB2,0xB7,
0x84,0x8D,0x8E,0x8B,0x88,0x89,0x8A,0x8F,0x8C,0x85,0x86,0x83,0x80,0x81,0x82,0x87,
0x54,0x5D,0x5E,0x5B,0x58,0x59,0x5A,0x5F,0x5C,0x55,0x56,0x53,0x50,0x51,0x52,0x57,
0x64,0x6D,0x6E,0x6B,0x68,0x69,0x6A,0x6F,0x6C,0x65,0x66,0x63,0x60,0x61,0x62,0x67,
0x74,0x7D,0x7E,0x7B,0x78,0x79,0x7A,0x7F,0x7C,0x75,0x76,0x73,0x70,0x71,0x72,0x77
};
u8 pi_css_mangle2[256] = {
0xC4,0x24,0x14,0x34,0xCE,0x2E,0x1E,0x3E,0xCD,0x2D,0x1D,0x3D,0xCB,0x2B,0x1B,0x3B,
0x44,0xA4,0x94,0xB4,0x4E,0xAE,0x9E,0xBE,0x4D,0xAD,0x9D,0xBD,0x4B,0xAB,0x9B,0xBB,
0x04,0xE4,0xD4,0xF4,0x0E,0xEE,0xDE,0xFE,0x0D,0xED,0xDD,0xFD,0x0B,0xEB,0xDB,0xFB,
0x84,0x64,0x54,0x74,0x8E,0x6E,0x5E,0x7E,0x8D,0x6D,0x5D,0x7D,0x8B,0x6B,0x5B,0x7B,
0xCC,0x2C,0x1C,0x3C,0xC6,0x26,0x16,0x36,0xC5,0x25,0x15,0x35,0xC3,0x23,0x13,0x33,
0x4C,0xAC,0x9C,0xBC,0x46,0xA6,0x96,0xB6,0x45,0xA5,0x95,0xB5,0x43,0xA3,0x93,0xB3,
0x0C,0xEC,0xDC,0xFC,0x06,0xE6,0xD6,0xF6,0x05,0xE5,0xD5,0xF5,0x03,0xE3,0xD3,0xF3,
0x8C,0x6C,0x5C,0x7C,0x86,0x66,0x56,0x76,0x85,0x65,0x55,0x75,0x83,0x63,0x53,0x73,
0xC8,0x28,0x18,0x38,0xCA,0x2A,0x1A,0x3A,0xC9,0x29,0x19,0x39,0xCF,0x2F,0x1F,0x3F,
0x48,0xA8,0x98,0xB8,0x4A,0xAA,0x9A,0xBA,0x49,0xA9,0x99,0xB9,0x4F,0xAF,0x9F,0xBF,
0x08,0xE8,0xD8,0xF8,0x0A,0xEA,0xDA,0xFA,0x09,0xE9,0xD9,0xF9,0x0F,0xEF,0xDF,0xFF,
0x88,0x68,0x58,0x78,0x8A,0x6A,0x5A,0x7A,0x89,0x69,0x59,0x79,0x8F,0x6F,0x5F,0x7F,
0xC0,0x20,0x10,0x30,0xC2,0x22,0x12,0x32,0xC1,0x21,0x11,0x31,0xC7,0x27,0x17,0x37,
0x40,0xA0,0x90,0xB0,0x42,0xA2,0x92,0xB2,0x41,0xA1,0x91,0xB1,0x47,0xA7,0x97,0xB7,
0x00,0xE0,0xD0,0xF0,0x02,0xE2,0xD2,0xF2,0x01,0xE1,0xD1,0xF1,0x07,0xE7,0xD7,0xF7,
0x80,0x60,0x50,0x70,0x82,0x62,0x52,0x72,0x81,0x61,0x51,0x71,0x87,0x67,0x57,0x77
};
u8 pi_reverse[256] = {
0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
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
};
/*****************************************************************************
* dvd_css.c: Functions for DVD authentification and unscrambling
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
*
* Author: Stphane Borel <stef@via.ecp.fr>
*
* 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 <stdio.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <malloc.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
//#if defined(__NetBSD__) || defined(__OpenBSD__)
//# include <sys/dvdio.h>
//#elif defined(__linux__)
#include <linux/cdrom.h>
//#else
//# error "Need the DVD ioctls"
//#endif
#include "common.h"
#include "intf_msg.h"
#include "dvd_css.h"
#include "css_table.h"
/*****************************************************************************
* CSS tables
*****************************************************************************/
unsigned int pi_css_tab0[11]={5,0,1,2,3,4,0,1,2,3,4};
unsigned char pi_css_tab1[256]=
{ 0x33, 0x73, 0x3b, 0x26, 0x63, 0x23, 0x6b, 0x76,
0x3e, 0x7e, 0x36, 0x2b, 0x6e, 0x2e, 0x66, 0x7b,
0xd3, 0x93, 0xdb, 0x06, 0x43, 0x03, 0x4b, 0x96,
0xde, 0x9e, 0xd6, 0x0b, 0x4e, 0x0e, 0x46, 0x9b,
0x57, 0x17, 0x5f, 0x82, 0xc7, 0x87, 0xcf, 0x12,
0x5a, 0x1a, 0x52, 0x8f, 0xca, 0x8a, 0xc2, 0x1f,
0xd9, 0x99, 0xd1, 0x00, 0x49, 0x09, 0x41, 0x90,
0xd8, 0x98, 0xd0, 0x01, 0x48, 0x08, 0x40, 0x91,
0x3d, 0x7d, 0x35, 0x24, 0x6d, 0x2d, 0x65, 0x74,
0x3c, 0x7c, 0x34, 0x25, 0x6c, 0x2c, 0x64, 0x75,
0xdd, 0x9d, 0xd5, 0x04, 0x4d, 0x0d, 0x45, 0x94,
0xdc, 0x9c, 0xd4, 0x05, 0x4c, 0x0c, 0x44, 0x95,
0x59, 0x19, 0x51, 0x80, 0xc9, 0x89, 0xc1, 0x10,
0x58, 0x18, 0x50, 0x81, 0xc8, 0x88, 0xc0, 0x11,
0xd7, 0x97, 0xdf, 0x02, 0x47, 0x07, 0x4f, 0x92,
0xda, 0x9a, 0xd2, 0x0f, 0x4a, 0x0a, 0x42, 0x9f,
0x53, 0x13, 0x5b, 0x86, 0xc3, 0x83, 0xcb, 0x16,
0x5e, 0x1e, 0x56, 0x8b, 0xce, 0x8e, 0xc6, 0x1b,
0xb3, 0xf3, 0xbb, 0xa6, 0xe3, 0xa3, 0xeb, 0xf6,
0xbe, 0xfe, 0xb6, 0xab, 0xee, 0xae, 0xe6, 0xfb,
0x37, 0x77, 0x3f, 0x22, 0x67, 0x27, 0x6f, 0x72,
0x3a, 0x7a, 0x32, 0x2f, 0x6a, 0x2a, 0x62, 0x7f,
0xb9, 0xf9, 0xb1, 0xa0, 0xe9, 0xa9, 0xe1, 0xf0,
0xb8, 0xf8, 0xb0, 0xa1, 0xe8, 0xa8, 0xe0, 0xf1,
0x5d, 0x1d, 0x55, 0x84, 0xcd, 0x8d, 0xc5, 0x14,
0x5c, 0x1c, 0x54, 0x85, 0xcc, 0x8c, 0xc4, 0x15,
0xbd, 0xfd, 0xb5, 0xa4, 0xed, 0xad, 0xe5, 0xf4,
0xbc, 0xfc, 0xb4, 0xa5, 0xec, 0xac, 0xe4, 0xf5,
0x39, 0x79, 0x31, 0x20, 0x69, 0x29, 0x61, 0x70,
0x38, 0x78, 0x30, 0x21, 0x68, 0x28, 0x60, 0x71,
0xb7, 0xf7, 0xbf, 0xa2, 0xe7, 0xa7, 0xef, 0xf2,
0xba, 0xfa, 0xb2, 0xaf, 0xea, 0xaa, 0xe2, 0xff };
unsigned char pi_css_tab2[256]=
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x09, 0x08, 0x0b, 0x0a, 0x0d, 0x0c, 0x0f, 0x0e,
0x12, 0x13, 0x10, 0x11, 0x16, 0x17, 0x14, 0x15,
0x1b, 0x1a, 0x19, 0x18, 0x1f, 0x1e, 0x1d, 0x1c,
0x24, 0x25, 0x26, 0x27, 0x20, 0x21, 0x22, 0x23,
0x2d, 0x2c, 0x2f, 0x2e, 0x29, 0x28, 0x2b, 0x2a,
0x36, 0x37, 0x34, 0x35, 0x32, 0x33, 0x30, 0x31,
0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38,
0x49, 0x48, 0x4b, 0x4a, 0x4d, 0x4c, 0x4f, 0x4e,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x5b, 0x5a, 0x59, 0x58, 0x5f, 0x5e, 0x5d, 0x5c,
0x52, 0x53, 0x50, 0x51, 0x56, 0x57, 0x54, 0x55,
0x6d, 0x6c, 0x6f, 0x6e, 0x69, 0x68, 0x6b, 0x6a,
0x64, 0x65, 0x66, 0x67, 0x60, 0x61, 0x62, 0x63,
0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78,
0x76, 0x77, 0x74, 0x75, 0x72, 0x73, 0x70, 0x71,
0x92, 0x93, 0x90, 0x91, 0x96, 0x97, 0x94, 0x95,
0x9b, 0x9a, 0x99, 0x98, 0x9f, 0x9e, 0x9d, 0x9c,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x89, 0x88, 0x8b, 0x8a, 0x8d, 0x8c, 0x8f, 0x8e,
0xb6, 0xb7, 0xb4, 0xb5, 0xb2, 0xb3, 0xb0, 0xb1,
0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8,
0xa4, 0xa5, 0xa6, 0xa7, 0xa0, 0xa1, 0xa2, 0xa3,
0xad, 0xac, 0xaf, 0xae, 0xa9, 0xa8, 0xab, 0xaa,
0xdb, 0xda, 0xd9, 0xd8, 0xdf, 0xde, 0xdd, 0xdc,
0xd2, 0xd3, 0xd0, 0xd1, 0xd6, 0xd7, 0xd4, 0xd5,
0xc9, 0xc8, 0xcb, 0xca, 0xcd, 0xcc, 0xcf, 0xce,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf6, 0xf7, 0xf4, 0xf5, 0xf2, 0xf3, 0xf0, 0xf1,
0xed, 0xec, 0xef, 0xee, 0xe9, 0xe8, 0xeb, 0xea,
0xe4, 0xe5, 0xe6, 0xe7, 0xe0, 0xe1, 0xe2, 0xe3
};
unsigned char pi_css_tab3[512]=
{
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff
};
unsigned char pi_css_tab4[256]=
{
0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 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
};
unsigned char pi_css_tab5[256]=
{
0xff, 0x7f, 0xbf, 0x3f, 0xdf, 0x5f, 0x9f, 0x1f, 0xef, 0x6f, 0xaf, 0x2f, 0xcf, 0x4f, 0x8f, 0x0f,
0xf7, 0x77, 0xb7, 0x37, 0xd7, 0x57, 0x97, 0x17, 0xe7, 0x67, 0xa7, 0x27, 0xc7, 0x47, 0x87, 0x07,
0xfb, 0x7b, 0xbb, 0x3b, 0xdb, 0x5b, 0x9b, 0x1b, 0xeb, 0x6b, 0xab, 0x2b, 0xcb, 0x4b, 0x8b, 0x0b,
0xf3, 0x73, 0xb3, 0x33, 0xd3, 0x53, 0x93, 0x13, 0xe3, 0x63, 0xa3, 0x23, 0xc3, 0x43, 0x83, 0x03,
0xfd, 0x7d, 0xbd, 0x3d, 0xdd, 0x5d, 0x9d, 0x1d, 0xed, 0x6d, 0xad, 0x2d, 0xcd, 0x4d, 0x8d, 0x0d,
0xf5, 0x75, 0xb5, 0x35, 0xd5, 0x55, 0x95, 0x15, 0xe5, 0x65, 0xa5, 0x25, 0xc5, 0x45, 0x85, 0x05,
0xf9, 0x79, 0xb9, 0x39, 0xd9, 0x59, 0x99, 0x19, 0xe9, 0x69, 0xa9, 0x29, 0xc9, 0x49, 0x89, 0x09,
0xf1, 0x71, 0xb1, 0x31, 0xd1, 0x51, 0x91, 0x11, 0xe1, 0x61, 0xa1, 0x21, 0xc1, 0x41, 0x81, 0x01,
0xfe, 0x7e, 0xbe, 0x3e, 0xde, 0x5e, 0x9e, 0x1e, 0xee, 0x6e, 0xae, 0x2e, 0xce, 0x4e, 0x8e, 0x0e,
0xf6, 0x76, 0xb6, 0x36, 0xd6, 0x56, 0x96, 0x16, 0xe6, 0x66, 0xa6, 0x26, 0xc6, 0x46, 0x86, 0x06,
0xfa, 0x7a, 0xba, 0x3a, 0xda, 0x5a, 0x9a, 0x1a, 0xea, 0x6a, 0xaa, 0x2a, 0xca, 0x4a, 0x8a, 0x0a,
0xf2, 0x72, 0xb2, 0x32, 0xd2, 0x52, 0x92, 0x12, 0xe2, 0x62, 0xa2, 0x22, 0xc2, 0x42, 0x82, 0x02,
0xfc, 0x7c, 0xbc, 0x3c, 0xdc, 0x5c, 0x9c, 0x1c, 0xec, 0x6c, 0xac, 0x2c, 0xcc, 0x4c, 0x8c, 0x0c,
0xf4, 0x74, 0xb4, 0x34, 0xd4, 0x54, 0x94, 0x14, 0xe4, 0x64, 0xa4, 0x24, 0xc4, 0x44, 0x84, 0x04,
0xf8, 0x78, 0xb8, 0x38, 0xd8, 0x58, 0x98, 0x18, 0xe8, 0x68, 0xa8, 0x28, 0xc8, 0x48, 0x88, 0x08,
0xf0, 0x70, 0xb0, 0x30, 0xd0, 0x50, 0x90, 0x10, 0xe0, 0x60, 0xa0, 0x20, 0xc0, 0x40, 0x80, 0x00
};
/*
* Local functions
*/
/*****************************************************************************
* CSSGetASF : Get Authentification success flag
*****************************************************************************/
int CSSGetASF( int i_fd )
{
#if 0
dvd_authinfo auth;
auth.type = DVD_LU_SEND_ASF;
auth.lsasf.asf = 0;
for( auth.lsasf.agid = 0 ; auth.lsasf.agid < 4 ; auth.lsasf.agid++ )
{
if( ioctl( i_fd, DVD_AUTH, &auth ) )
{
intf_ErrMsg( "DVD ioctl error in CSSGetASF" );
return -1;
}
}
// ("%sAuthenticated\n", (ai.lsasf.asf) ? "" : "not");
return 0;
#else
dvd_authinfo ai;
ai.type = DVD_LU_SEND_ASF;
ai.lsasf.asf = 0;
for (ai.lsasf.agid = 0; ai.lsasf.agid < 4; ai.lsasf.agid++) {
if (!(ioctl(i_fd, DVD_AUTH, &ai))) {
fprintf( stderr, "%sAuthenticated\n", (ai.lsasf.asf) ? "" : "not");
return 0;
}
}
intf_ErrMsg( "CSS Error : GetASF" );
return -1;
#endif
}
/*****************************************************************************
* CSSCryptKey : shuffles bits and unencrypt keys.
* ---
* i_key_type : 0->key1, 1->key2, 2->buskey.
* i_varient : between 0 and 31.
*****************************************************************************/
#if 0
static void CSSCryptKey( int i_key_type, int i_varient,
u8* pi_challenge, u8* pi_key )
{
/* Permutation table for challenge */
u8 ppi_perm_challenge[3][10] =
{ { 1, 3, 0, 7, 5, 2, 9, 6, 4, 8 },
{ 6, 1, 9, 3, 8, 5, 7, 4, 0, 2 },
{ 4, 0, 3, 5, 7, 2, 8, 6, 1, 9 } };
/* Permutation table for varient table */
u8 ppi_perm_varient[2][32] =
{ { 0x0a, 0x08, 0x0e, 0x0c, 0x0b, 0x09, 0x0f, 0x0d,
0x1a, 0x18, 0x1e, 0x1c, 0x1b, 0x19, 0x1f, 0x1d,
0x02, 0x00, 0x06, 0x04, 0x03, 0x01, 0x07, 0x05,
0x12, 0x10, 0x16, 0x14, 0x13, 0x11, 0x17, 0x15 },
{ 0x12, 0x1a, 0x16, 0x1e, 0x02, 0x0a, 0x06, 0x0e,
0x10, 0x18, 0x14, 0x1c, 0x00, 0x08, 0x04, 0x0c,
0x13, 0x1b, 0x17, 0x1f, 0x03, 0x0b, 0x07, 0x0f,
0x11, 0x19, 0x15, 0x1d, 0x01, 0x09, 0x05, 0x0d } };
u8 pi_css_secret[5] = { 0xE2,0xA3,0x45,0x10,0xF4 };
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_bits[30];
u8 pi_scratch[10];
u8 pi_tmp1[5], pi_tmp2[2];
u8 i_lfsr0_o, i_lfsr1_o;
u32 i_lfsr0, i_lfsr1;
u8 i_css_varient;
int i_val = 0;
int i_term = 0;
int i, i_index;
for( i=0 ; i<10 ; 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];
i_css_varient = pi_css_varients[i_css_varient];
for( i=0 ; i<5 ; i++ )
{
pi_tmp1[i] = pi_scratch[5+i] ^ pi_css_secret[i];
}
/* 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_key[0] << 17 ) | ( pi_key[1] << 9 ) |
( ( pi_key[2] & ~7 ) << 1 ) | 8 | (pi_key[2] & 7);
/*
* 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_key[4]] << 9 ) | 0x100 |
( pi_reverse[pi_key[3]] );
for( i=0 ; i<30 ; i++ )
{
i_lfsr0_o = ( i_lfsr0 >> 12) ^ ( i_lfsr0 >> 4) ^
( i_lfsr0 >> 3) ^ i_lfsr0;
i_lfsr1_o = ( ( i_lfsr1 >> 14 ) & 7) ^ i_lfsr1;
i_lfsr1_o ^= ( i_lfsr1_o << 3 ) ^ ( i_lfsr1_o << 6 );
i_lfsr1 = ( i_lfsr1 >> 8) ^ ( i_lfsr1_o << 9);
i_lfsr0 = ( i_lfsr0 >> 8 ) ^ ( i_lfsr0_o << 17);
i_lfsr0_o = ~i_lfsr0_o;
i_lfsr1_o = ~i_lfsr1_o;
i_val += i_lfsr0_o + i_lfsr1_o;
pi_bits[i] = i_val & 0xFF;
i_val >>= 8;
}
/*
* Mangling
*/
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;
}
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;
}
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];
}
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];
}
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;
}
pi_tmp1[4] ^= pi_tmp1[0];
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;
}
return;
}
#else
typedef struct {
uint8_t Challenge[10];
uint8_t Key1[KEY_SIZE];
uint8_t Key2[KEY_SIZE];
uint8_t KeyCheck[KEY_SIZE];
uint8_t varient;
} DiscKeys;
DiscKeys discKeys;
static void _generate_bits (u8 *output, int len, const u8 *s)
{
u32 lfsr0, lfsr1;
int val;
u8 o_lfsr0, o_lfsr1;
/* 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.
*/
lfsr0 = (s[0] << 17) | (s[1] << 9) | ((s[2] & ~7) << 1) | 8 | (s[2] & 7);
/*
reverse lfsr0/1 to simplify calculation in loop
*/
lfsr0 = (pi_reverse[lfsr0&0xff]<<17) | (pi_reverse[(lfsr0>>8)&0xff] << 9)
| (pi_reverse[(lfsr0>>16)&0xff]<<1) |(lfsr0>>24);
lfsr1 = (pi_reverse[s[4]] << 9) | 0x100 | ( pi_reverse[ s[3]] );
output++;
val = 0;
do {
o_lfsr0 = (lfsr0 >> 12) ^ (lfsr0 >> 4) ^ (lfsr0 >> 3) ^ lfsr0;
o_lfsr1 = ((lfsr1 >> 14) & 7) ^ lfsr1;
o_lfsr1 ^= (o_lfsr1 << 3) ^ (o_lfsr1 << 6);
lfsr1 = (lfsr1 >> 8) ^ (o_lfsr1 << 9);
lfsr0 = (lfsr0 >> 8) ^ (o_lfsr0 << 17);
o_lfsr0 = ~o_lfsr0;
o_lfsr1 = ~o_lfsr1;
val += o_lfsr0 + o_lfsr1;
*--output = val & 0xFF;
val >>= 8;
fprintf(stderr, "lfsr0=%08x lfsr1=%08x\n", lfsr0, lfsr1);
} while (--len > 0);
}
/**
* 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.
**/
static inline void mangle1( u8 *bs, u8 cse, const u8 *ip, u8 *op)
{
int i, term, index;
for (i = 5, term = 0; --i >= 0; term = ip[i]) {
index = bs[i] ^ ip[i];
index = pi_css_mangle1[index] ^ cse;
op[i] = pi_css_mangle2[index] ^ term;
}
}
/**
*
**/
static inline void mangle2( u8 *bs, u8 cse, const u8 *ip, u8 *op)
{
int i, term, index;
for (i = 5, term = 0; --i >= 0; term = ip[i]) {
index = bs[i] ^ ip[i];
index = pi_css_mangle1[index] ^ cse;
index = pi_css_mangle2[index] ^ term;
op[i] = pi_css_mangle0[index];
}
}
/**
*
**/
static inline void engine (int varient, u8 const *input, u8 *output)
{
u8 cse;
u8 tmp1[5];
u8 tmp2[5];
u8 bits[30];
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_css_secret[5] = { 0xE2,0xA3,0x45,0x10,0xF4 };
int i;
/* 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; )
tmp1[i] = input[5+i] ^ pi_css_secret[i];
_generate_bits (&bits[29], sizeof bits, &tmp1[0]);
/* This term is used throughout the following to
* select one of 32 different variations on the
* algorithm.
*/
cse = pi_css_varients[varient];
/* Now the actual blocks doing the encryption. Each
* of these works on 40 bits at a time and are quite
* similar.
*/
mangle1( &bits[25], cse, input, tmp1);
tmp1[4] ^= tmp1[0];
mangle1( &bits[20], cse, tmp1, tmp2);
tmp2[4] ^= tmp2[0];
mangle2( &bits[15], cse, tmp2, tmp1);
tmp1[4] ^= tmp1[0];
mangle2( &bits[10], cse, tmp1, tmp2);
tmp2[4] ^= tmp2[0];
mangle1( &bits[5], cse, tmp2, tmp1);
tmp1[4] ^= tmp1[0];
mangle1( &bits[0], cse, tmp1, output);
}
/**
*
**/
void CryptKey1 (int varient, u8 const *challenge, u8 *key)
{
u8 perm_challenge[] = {1,3,0,7,5, 2,9,6,4,8};
u8 scratch[10];