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Commit 34acedc6 authored by Frédéric Yhuel's avatar Frédéric Yhuel Committed by Jean-Baptiste Kempf
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demux/mp4: drop DRMS support 

Signed-off-by: default avatarJean-Baptiste Kempf <jb@videolan.org>
parent 790d3d45
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Showing with 11 additions and 2276 deletions
modules/demux/mkv/Modules.am
View file @ 34acedc6
......@@ -7,6 +7,6 @@ SOURCES_mkv = mkv.hpp mkv.cpp \
chapters.hpp chapters.cpp \
chapter_command.hpp chapter_command.cpp \
stream_io_callback.hpp stream_io_callback.cpp \
../mp4/libmp4.c ../mp4/drms.c \
../mp4/libmp4.c \
../vobsub.h
modules/demux/mp4/Modules.am
View file @ 34acedc6
......@@ -2,9 +2,6 @@ SOURCES_mp4 = \
mp4.c \
libmp4.c \
libmp4.h \
drms.c \
drms.h \
drmstables.h \
id3genres.h \
$(NULL)
......
modules/demux/mp4/drms.c deleted 100644 → 0
View file @ 790d3d45
/*****************************************************************************
* drms.c: DRMS
*****************************************************************************
* Copyright (C) 2004 the VideoLAN team
* $Id$
*
* Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
* Sam Hocevar <sam@zoy.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* In Solaris (and perhaps others) PATH_MAX is in limits.h. */
#include <limits.h>
#ifdef WIN32
# include <io.h>
# if !defined( UNDER_CE )
# include <direct.h>
# endif
# include <tchar.h>
# include <shlobj.h>
# include <windows.h>
#else
# include <stdio.h>
#endif
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <vlc_common.h>
#include <vlc_md5.h>
#include "libmp4.h"
#include <vlc_fs.h>
#ifdef __APPLE__
#include "TargetConditionals.h"
#ifndef TARGET_OS_IPHONE
#define HAVE_MACOS_IOKIT
#endif
#endif
#ifdef HAVE_MACOS_IOKIT
# include <mach/mach.h>
# include <IOKit/IOKitLib.h>
# include <CoreFoundation/CFNumber.h>
#endif
#include "drms.h"
#include "drmstables.h"
#if !defined( UNDER_CE )
/*****************************************************************************
* aes_s: AES keys structure
*****************************************************************************
* This structure stores a set of keys usable for encryption and decryption
* with the AES/Rijndael algorithm.
*****************************************************************************/
struct aes_s
{
uint32_t pp_enc_keys[ AES_KEY_COUNT + 1 ][ 4 ];
uint32_t pp_dec_keys[ AES_KEY_COUNT + 1 ][ 4 ];
};
#define Digest DigestMD5
/*****************************************************************************
* shuffle_s: shuffle structure
*****************************************************************************
* This structure stores the static information needed to shuffle data using
* a custom algorithm.
*****************************************************************************/
struct shuffle_s
{
uint32_t i_version;
uint32_t p_commands[ 20 ];
uint32_t p_bordel[ 16 ];
};
#define SWAP( a, b ) { (a) ^= (b); (b) ^= (a); (a) ^= (b); }
/*****************************************************************************
* drms_s: DRMS structure
*****************************************************************************
* This structure stores the static information needed to decrypt DRMS data.
*****************************************************************************/
struct drms_s
{
uint32_t i_user;
uint32_t i_key;
uint8_t p_iviv[ 16 ];
uint8_t *p_name;
uint32_t p_key[ 4 ];
struct aes_s aes;
char psz_homedir[ PATH_MAX ];
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void InitAES ( struct aes_s *, uint32_t * );
static void DecryptAES ( struct aes_s *, uint32_t *, const uint32_t * );
static void InitShuffle ( struct shuffle_s *, uint32_t *, uint32_t );
static void DoShuffle ( struct shuffle_s *, uint32_t *, uint32_t );
static uint32_t FirstPass ( uint32_t * );
static void SecondPass ( uint32_t *, uint32_t );
static void ThirdPass ( uint32_t * );
static void FourthPass ( uint32_t * );
static void TinyShuffle1 ( uint32_t * );
static void TinyShuffle2 ( uint32_t * );
static void TinyShuffle3 ( uint32_t * );
static void TinyShuffle4 ( uint32_t * );
static void TinyShuffle5 ( uint32_t * );
static void TinyShuffle6 ( uint32_t * );
static void TinyShuffle7 ( uint32_t * );
static void TinyShuffle8 ( uint32_t * );
static void DoExtShuffle ( uint32_t * );
static int GetSystemKey ( uint32_t *, bool );
static int WriteUserKey ( void *, uint32_t * );
static int ReadUserKey ( void *, uint32_t * );
static int GetUserKey ( void *, uint32_t * );
static int GetSCIData ( char *, uint32_t **, uint32_t * );
static int HashSystemInfo ( uint32_t * );
static int GetiPodID ( int64_t * );
#ifdef WORDS_BIGENDIAN
/*****************************************************************************
* Reverse: reverse byte order
*****************************************************************************/
static inline void Reverse( uint32_t *p_buffer, int n )
{
int i;
for( i = 0; i < n; i++ )
{
p_buffer[ i ] = GetDWLE(&p_buffer[ i ]);
}
}
# define REVERSE( p, n ) Reverse( p, n )
#else
# define REVERSE( p, n )
#endif
/*****************************************************************************
* BlockXOR: XOR two 128 bit blocks
*****************************************************************************/
static inline void BlockXOR( uint32_t *p_dest, uint32_t *p_s1, uint32_t *p_s2 )
{
int i;
for( i = 0; i < 4; i++ )
{
p_dest[ i ] = p_s1[ i ] ^ p_s2[ i ];
}
}
/*****************************************************************************
* drms_alloc: allocate a DRMS structure
*****************************************************************************/
void *drms_alloc( const char *psz_homedir )
{
struct drms_s *p_drms;
p_drms = calloc( 1, sizeof(struct drms_s) );
if( !p_drms )
return NULL;
strncpy( p_drms->psz_homedir, psz_homedir, PATH_MAX );
p_drms->psz_homedir[ PATH_MAX - 1 ] = '\0';
return (void *)p_drms;
}
/*****************************************************************************
* drms_free: free a previously allocated DRMS structure
*****************************************************************************/
void drms_free( void *_p_drms )
{
struct drms_s *p_drms = (struct drms_s *)_p_drms;
free( (void *)p_drms->p_name );
free( p_drms );
}
/*****************************************************************************
* drms_decrypt: unscramble a chunk of data
*****************************************************************************/
void drms_decrypt( void *_p_drms, uint32_t *p_buffer, uint32_t i_bytes, uint32_t *p_key )
{
struct drms_s *p_drms = (struct drms_s *)_p_drms;
uint32_t p_key_buf[ 4 ];
unsigned int i_blocks;
/* AES is a block cypher, round down the byte count */
i_blocks = i_bytes / 16;
i_bytes = i_blocks * 16;
/* Initialise the key */
if( !p_key )
{
p_key = p_key_buf;
memcpy( p_key, p_drms->p_key, 16 );
}
/* Unscramble */
while( i_blocks-- )
{
uint32_t p_tmp[ 4 ];
REVERSE( p_buffer, 4 );
DecryptAES( &p_drms->aes, p_tmp, p_buffer );
BlockXOR( p_tmp, p_key, p_tmp );
/* Use the previous scrambled data as the key for next block */
memcpy( p_key, p_buffer, 16 );
/* Copy unscrambled data back to the buffer */
memcpy( p_buffer, p_tmp, 16 );
REVERSE( p_buffer, 4 );
p_buffer += 4;
}
}
/*****************************************************************************
* drms_get_p_key: copy the p_key into user buffer
****************************************************************************/
void drms_get_p_key( void *_p_drms, uint32_t *p_key )
{
struct drms_s *p_drms = (struct drms_s *)_p_drms;
memcpy( p_key, p_drms->p_key, 16 );
}
/*****************************************************************************
* drms_init: initialise a DRMS structure
*****************************************************************************
* Return values:
* 0: success
* -1: unimplemented
* -2: invalid argument
* -3: could not get system key
* -4: could not get SCI data
* -5: no user key found in SCI data
* -6: invalid user key
*****************************************************************************/
int drms_init( void *_p_drms, uint32_t i_type,
uint8_t *p_info, uint32_t i_len )
{
struct drms_s *p_drms = (struct drms_s *)_p_drms;
int i_ret = 0;
switch( i_type )
{
case ATOM_user:
if( i_len < sizeof(p_drms->i_user) )
{
i_ret = -2;
break;
}
p_drms->i_user = U32_AT( p_info );
break;
case ATOM_key:
if( i_len < sizeof(p_drms->i_key) )
{
i_ret = -2;
break;
}
p_drms->i_key = U32_AT( p_info );
break;
case ATOM_iviv:
if( i_len < sizeof(p_drms->p_key) )
{
i_ret = -2;
break;
}
memcpy( p_drms->p_iviv, p_info, 16 );
break;
case ATOM_name:
p_drms->p_name = (uint8_t*) strdup( (char *)p_info );
if( p_drms->p_name == NULL )
{
i_ret = -2;
}
break;
case ATOM_priv:
{
uint32_t p_priv[ 64 ];
struct md5_s md5;
if( i_len < 64 || p_drms->p_name == NULL )
{
i_ret = -2;
break;
}
InitMD5( &md5 );
AddMD5( &md5, p_drms->p_name, strlen( (char *)p_drms->p_name ) );
AddMD5( &md5, p_drms->p_iviv, 16 );
EndMD5( &md5 );
if( p_drms->i_user == 0 && p_drms->i_key == 0 )
{
static const char p_secret[] = "tr1-th3n.y00_by3";
memcpy( p_drms->p_key, p_secret, 16 );
REVERSE( p_drms->p_key, 4 );
}
else
{
i_ret = GetUserKey( p_drms, p_drms->p_key );
if( i_ret )
{
break;
}
}
InitAES( &p_drms->aes, p_drms->p_key );
memcpy( p_priv, p_info, 64 );
memcpy( p_drms->p_key, md5.buf, 16 );
drms_decrypt( p_drms, p_priv, 64, NULL );
REVERSE( p_priv, 64 );
if( p_priv[ 0 ] != 0x6e757469 ) /* itun */
{
i_ret = -6;
break;
}
InitAES( &p_drms->aes, p_priv + 6 );
memcpy( p_drms->p_key, p_priv + 12, 16 );
free( (void *)p_drms->p_name );
p_drms->p_name = NULL;
}
break;
}
return i_ret;
}
/* The following functions are local */
/*****************************************************************************
* InitAES: initialise AES/Rijndael encryption/decryption tables
*****************************************************************************
* The Advanced Encryption Standard (AES) is described in RFC 3268
*****************************************************************************/
static void InitAES( struct aes_s *p_aes, uint32_t *p_key )
{
unsigned int i, t;
uint32_t i_key, i_seed;
memset( p_aes->pp_enc_keys[1], 0, 16 );
memcpy( p_aes->pp_enc_keys[0], p_key, 16 );
/* Generate the key tables */
i_seed = p_aes->pp_enc_keys[ 0 ][ 3 ];
for( i_key = 0; i_key < AES_KEY_COUNT; i_key++ )
{
uint32_t j;
i_seed = AES_ROR( i_seed, 8 );
j = p_aes_table[ i_key ];
j ^= p_aes_encrypt[ (i_seed >> 24) & 0xff ]
^ AES_ROR( p_aes_encrypt[ (i_seed >> 16) & 0xff ], 8 )
^ AES_ROR( p_aes_encrypt[ (i_seed >> 8) & 0xff ], 16 )
^ AES_ROR( p_aes_encrypt[ i_seed & 0xff ], 24 );
j ^= p_aes->pp_enc_keys[ i_key ][ 0 ];
p_aes->pp_enc_keys[ i_key + 1 ][ 0 ] = j;
j ^= p_aes->pp_enc_keys[ i_key ][ 1 ];
p_aes->pp_enc_keys[ i_key + 1 ][ 1 ] = j;
j ^= p_aes->pp_enc_keys[ i_key ][ 2 ];
p_aes->pp_enc_keys[ i_key + 1 ][ 2 ] = j;
j ^= p_aes->pp_enc_keys[ i_key ][ 3 ];
p_aes->pp_enc_keys[ i_key + 1 ][ 3 ] = j;
i_seed = j;
}
memcpy( p_aes->pp_dec_keys[ 0 ],
p_aes->pp_enc_keys[ 0 ], 16 );
for( i = 1; i < AES_KEY_COUNT; i++ )
{
for( t = 0; t < 4; t++ )
{
uint32_t j, k, l, m, n;
j = p_aes->pp_enc_keys[ i ][ t ];
k = (((j >> 7) & 0x01010101) * 27) ^ ((j & 0xff7f7f7f) << 1);
l = (((k >> 7) & 0x01010101) * 27) ^ ((k & 0xff7f7f7f) << 1);
m = (((l >> 7) & 0x01010101) * 27) ^ ((l & 0xff7f7f7f) << 1);
j ^= m;
n = AES_ROR( l ^ j, 16 ) ^ AES_ROR( k ^ j, 8 ) ^ AES_ROR( j, 24 );
p_aes->pp_dec_keys[ i ][ t ] = k ^ l ^ m ^ n;
}
}
}
/*****************************************************************************
* DecryptAES: decrypt an AES/Rijndael 128 bit block
*****************************************************************************/
static void DecryptAES( struct aes_s *p_aes,
uint32_t *p_dest, const uint32_t *p_src )
{
uint32_t p_wtxt[ 4 ]; /* Working cyphertext */
uint32_t p_tmp[ 4 ];
unsigned int i_round, t;
for( t = 0; t < 4; t++ )
{
/* FIXME: are there any endianness issues here? */
p_wtxt[ t ] = p_src[ t ] ^ p_aes->pp_enc_keys[ AES_KEY_COUNT ][ t ];
}
/* Rounds 0 - 8 */
for( i_round = 0; i_round < (AES_KEY_COUNT - 1); i_round++ )
{
for( t = 0; t < 4; t++ )
{
p_tmp[ t ] = AES_XOR_ROR( p_aes_itable, p_wtxt );
}
for( t = 0; t < 4; t++ )
{
p_wtxt[ t ] = p_tmp[ t ]
^ p_aes->pp_dec_keys[ (AES_KEY_COUNT - 1) - i_round ][ t ];
}
}
/* Final round (9) */
for( t = 0; t < 4; t++ )
{
p_dest[ t ] = AES_XOR_ROR( p_aes_decrypt, p_wtxt );
p_dest[ t ] ^= p_aes->pp_dec_keys[ 0 ][ t ];
}
}
/*****************************************************************************
* InitShuffle: initialise a shuffle structure
*****************************************************************************
* This function initialises tables in the p_shuffle structure that will be
* used later by DoShuffle. The only external parameter is p_sys_key.
*****************************************************************************/
static void InitShuffle( struct shuffle_s *p_shuffle, uint32_t *p_sys_key,
uint32_t i_version )
{
char p_secret1[] = "Tv!*";
static const char p_secret2[] = "____v8rhvsaAvOKM____FfUH%798=[;."
"____f8677680a634____ba87fnOIf)(*";
unsigned int i;
p_shuffle->i_version = i_version;
/* Fill p_commands using the key and a secret seed */
for( i = 0; i < 20; i++ )
{
struct md5_s md5;
int32_t i_hash;
InitMD5( &md5 );
AddMD5( &md5, (const uint8_t *)p_sys_key, 16 );
AddMD5( &md5, (const uint8_t *)p_secret1, 4 );
EndMD5( &md5 );
p_secret1[ 3 ]++;
REVERSE( (void *)md5.buf, 1 ); /* FIXME */
i_hash = ((int32_t)U32_AT(md5.buf)) % 1024;
p_shuffle->p_commands[ i ] = i_hash < 0 ? i_hash * -1 : i_hash;
}
/* Fill p_bordel with completely meaningless initial values. */
memcpy( p_shuffle->p_bordel, p_secret2, 64 );
for( i = 0; i < 4; i++ )
{
p_shuffle->p_bordel[ 4 * i ] = U32_AT(p_sys_key + i);
REVERSE( p_shuffle->p_bordel + 4 * i + 1, 3 );
}
}
/*****************************************************************************
* DoShuffle: shuffle buffer
*****************************************************************************
* This is so ugly and uses so many MD5 checksums that it is most certainly
* one-way, though why it needs to be so complicated is beyond me.
*****************************************************************************/
static void DoShuffle( struct shuffle_s *p_shuffle,
uint32_t *p_buffer, uint32_t i_size )
{
struct md5_s md5;
uint32_t p_big_bordel[ 16 ];
uint32_t *p_bordel = p_shuffle->p_bordel;
unsigned int i;
static const uint32_t p_secret3[] =
{
0xAAAAAAAA, 0x01757700, 0x00554580, 0x01724500, 0x00424580,
0x01427700, 0x00000080, 0xC1D59D01, 0x80144981, 0x815C8901,
0x80544981, 0x81D45D01, 0x00000080, 0x81A3BB03, 0x00A2AA82,
0x01A3BB03, 0x0022A282, 0x813BA202, 0x00000080, 0x6D575737,
0x4A5275A5, 0x6D525725, 0x4A5254A5, 0x6B725437, 0x00000080,
0xD5DDB938, 0x5455A092, 0x5D95A013, 0x4415A192, 0xC5DD393A,
0x00000080, 0x55555555
};
static const uint32_t i_secret3 = sizeof(p_secret3)/sizeof(p_secret3[0]);
static const char p_secret4[] =
"pbclevtug (p) Nccyr Pbzchgre, Vap. Nyy Evtugf Erfreirq.";
static const uint32_t i_secret4 = sizeof(p_secret4)/sizeof(p_secret4[0]); /* It include the terminal '\0' */
/* Using the MD5 hash of a memory block is probably not one-way enough
* for the iTunes people. This function randomises p_bordel depending on
* the values in p_commands to make things even more messy in p_bordel. */
for( i = 0; i < 20; i++ )
{
uint8_t i_command, i_index;
if( !p_shuffle->p_commands[ i ] )
{
continue;
}
i_command = (p_shuffle->p_commands[ i ] & 0x300) >> 8;
i_index = p_shuffle->p_commands[ i ] & 0xff;
switch( i_command )
{
case 0x3:
p_bordel[ i_index & 0xf ] = p_bordel[ i_index >> 4 ]
+ p_bordel[ ((i_index + 0x10) >> 4) & 0xf ];
break;
case 0x2:
p_bordel[ i_index >> 4 ] ^= p_shuffle_xor[ 0xff - i_index ];
break;
case 0x1:
p_bordel[ i_index >> 4 ] -= p_shuffle_sub[ 0xff - i_index ];
break;
default:
p_bordel[ i_index >> 4 ] += p_shuffle_add[ 0xff - i_index ];
break;
}
}
if( p_shuffle->i_version == 0x01000300 )
{
DoExtShuffle( p_bordel );
}
/* Convert our newly randomised p_bordel to big endianness and take
* its MD5 hash. */
InitMD5( &md5 );
for( i = 0; i < 16; i++ )
{
p_big_bordel[ i ] = U32_AT(p_bordel + i);
}
AddMD5( &md5, (const uint8_t *)p_big_bordel, 64 );
if( p_shuffle->i_version == 0x01000300 )
{
uint32_t p_tmp3[i_secret3];
char p_tmp4[i_secret4];
memcpy( p_tmp3, p_secret3, sizeof(p_secret3) );
REVERSE( p_tmp3, i_secret3 );
#define ROT13(c) (((c)>='A'&&(c)<='Z')?(((c)-'A'+13)%26)+'A':\
((c)>='a'&&(c)<='z')?(((c)-'a'+13)%26)+'a':c)
for( uint32_t i = 0; i < i_secret4; i++ )
p_tmp4[i] = ROT13( p_secret4[i] );
#undef ROT13
AddMD5( &md5, (const uint8_t *)p_tmp3, sizeof(p_secret3) );
AddMD5( &md5, (const uint8_t *)p_tmp4, i_secret4 );
}
EndMD5( &md5 );
/* XOR our buffer with the computed checksum */
for( i = 0; i < i_size; i++ )
{
p_buffer[ i ] ^= U32_AT(md5.buf + (4 * i));
}
}
/*****************************************************************************
* DoExtShuffle: extended shuffle
*****************************************************************************
* This is even uglier.
*****************************************************************************/
static void DoExtShuffle( uint32_t * p_bordel )
{
uint32_t i_ret;
i_ret = FirstPass( p_bordel );
SecondPass( p_bordel, i_ret );
ThirdPass( p_bordel );
FourthPass( p_bordel );
}
static uint32_t FirstPass( uint32_t * p_bordel )
{
uint32_t i, i_cmd, i_ret = 5;
TinyShuffle1( p_bordel );
for( ; ; )
{
for( ; ; )
{
p_bordel[ 1 ] += 0x10000000;
p_bordel[ 3 ] += 0x12777;
if( (p_bordel[ 10 ] & 1) && i_ret )
{
i_ret--;
p_bordel[ 1 ] -= p_bordel[ 2 ];
p_bordel[ 11 ] += p_bordel[ 12 ];
break;
}
if( (p_bordel[ 1 ] + p_bordel[ 2 ]) >= 0x7D0 )
{
switch( ((p_bordel[ 3 ] ^ 0x567F) >> 2) & 7 )
{
case 0:
for( i = 0; i < 3; i++ )
{
if( p_bordel[ i + 10 ] > 0x4E20 )
{
p_bordel[ i + 1 ] += p_bordel[ i + 2 ];
}
}
break;
case 4:
p_bordel[ 1 ] -= p_bordel[ 2 ];
/* no break */
case 3:
p_bordel[ 11 ] += p_bordel[ 12 ];
break;
case 6:
p_bordel[ 3 ] ^= p_bordel[ 4 ];
/* no break */
case 8:
p_bordel[ 13 ] &= p_bordel[ 14 ];
/* no break */
case 1:
p_bordel[ 0 ] |= p_bordel[ 1 ];
if( i_ret )
{
return i_ret;
}
break;
}
break;
}
}
for( i = 0, i_cmd = 0; i < 16; i++ )
{
if( p_bordel[ i ] < p_bordel[ i_cmd ] )
{
i_cmd = i;
}
}
if( i_ret && i_cmd != 5 )
{
i_ret--;
}
else
{
if( i_cmd == 5 )
{
p_bordel[ 8 ] &= p_bordel[ 6 ] >> 1;
p_bordel[ 3 ] <<= 1;
}
for( i = 0; i < 3; i++ )
{
p_bordel[ 11 ] += 1;
if( p_bordel[ 11 ] & 5 )
{
p_bordel[ 8 ] += p_bordel[ 9 ];
}
else if( i_ret )
{
i_ret--;
i_cmd = 3;
goto break2;
}
}
i_cmd = (p_bordel[ 15 ] + 0x93) >> 3;
if( p_bordel[ 15 ] & 0x100 )
{
i_cmd ^= 0xDEAD;
}
}
switch( i_cmd & 3 )
{
case 0:
while( p_bordel[ 11 ] & 1 )
{
p_bordel[ 11 ] >>= 1;
p_bordel[ 12 ] += 1;
}
/* no break */
case 2:
p_bordel[ 14 ] -= 0x19FE;
break;
case 3:
if( i_ret )
{
i_ret--;
p_bordel[ 5 ] += 5;
continue;
}
break;
}
i_cmd = ((p_bordel[ 3 ] + p_bordel[ 4 ] + 10) >> 1) - p_bordel[ 4 ];
break;
}
break2:
switch( i_cmd & 3 )
{
case 0:
p_bordel[ 14 ] >>= 1;
break;
case 1:
p_bordel[ 5 ] <<= 2;
break;
case 2:
p_bordel[ 12 ] |= 5;
break;
case 3:
p_bordel[ 15 ] &= 0x55;
if( i_ret )
{
p_bordel[ 2 ] &= 0xB62FC;
return i_ret;
}
break;
}
TinyShuffle2( p_bordel );
return i_ret;
}
static void SecondPass( uint32_t * p_bordel, uint32_t i_tmp )
{
uint32_t i, i_cmd, i_jc = 5;
TinyShuffle3( p_bordel );
for( i = 0, i_cmd = 0; i < 16; i++ )
{
if( p_bordel[ i ] > p_bordel[ i_cmd ] )
{
i_cmd = i;
}
}
switch( i_cmd )
{
case 0:
if( p_bordel[ 1 ] < p_bordel[ 8 ] )
{
p_bordel[ 5 ] += 1;
}
break;
case 4:
if( (p_bordel[ 9 ] & 0x7777) == 0x3333 )
{
p_bordel[ 5 ] -= 1;
}
else
{
i_jc--;
if( p_bordel[ 1 ] < p_bordel[ 8 ] )
{
p_bordel[ 5 ] += 1;
}
break;
}
/* no break */
case 7:
p_bordel[ 2 ] -= 1;
p_bordel[ 1 ] -= p_bordel[ 5 ];
for( i = 0; i < 3; i++ )
{
switch( p_bordel[ 1 ] & 3 )
{
case 0:
p_bordel[ 1 ] += 1;
/* no break */
case 1:
p_bordel[ 3 ] -= 8;
break;
case 2:
p_bordel[ 13 ] &= 0xFEFEFEF7;
break;
case 3:
p_bordel[ 8 ] |= 0x80080011;
break;
}
}
return;
case 10:
p_bordel[ 4 ] -= 1;
p_bordel[ 5 ] += 1;
p_bordel[ 6 ] -= 1;
p_bordel[ 7 ] += 1;
break;
default:
p_bordel[ 15 ] ^= 0x18547EFF;
break;
}
for( i = 3; i--; )
{
switch( ( p_bordel[ 12 ] + p_bordel[ 13 ] + p_bordel[ 6 ] ) % 5 )
{
case 0:
p_bordel[ 12 ] -= 1;
/* no break */
case 1:
p_bordel[ 12 ] -= 1;
p_bordel[ 13 ] += 1;
break;
case 2:
p_bordel[ 13 ] += 4;
/* no break */
case 3:
p_bordel[ 12 ] -= 1;
break;
case 4:
i_jc--;
p_bordel[ 5 ] += 1;
p_bordel[ 6 ] -= 1;
p_bordel[ 7 ] += 1;
i = 3; /* Restart the whole loop */
break;
}
}
TinyShuffle4( p_bordel );
for( ; ; )
{
TinyShuffle5( p_bordel );
switch( ( p_bordel[ 2 ] * 2 + 15 ) % 5 )
{
case 0:
if( ( p_bordel[ 3 ] + i_tmp ) <=
( p_bordel[ 1 ] + p_bordel[ 15 ] ) )
{
p_bordel[ 3 ] += 1;
}
break;
case 4:
p_bordel[ 10 ] -= 0x13;
break;
case 3:
p_bordel[ 5 ] >>= 2;
break;
}
if( !( p_bordel[ 2 ] & 1 ) || i_jc == 0 )
{
break;
}
i_jc--;
p_bordel[ 2 ] += 0x13;
p_bordel[ 12 ] += 1;
}
p_bordel[ 2 ] &= 0x10076000;
}
static void ThirdPass( uint32_t * p_bordel )
{
uint32_t i_cmd;
i_cmd = ((p_bordel[ 7 ] + p_bordel[ 14 ] + 10) >> 1) - p_bordel[ 14 ];
i_cmd = i_cmd % 10;
switch( i_cmd )
{
case 0:
p_bordel[ 1 ] <<= 1;
p_bordel[ 2 ] <<= 2;
p_bordel[ 3 ] <<= 3;
break;
case 6:
p_bordel[ i_cmd + 3 ] &= 0x5EDE36B;
p_bordel[ 5 ] += p_bordel[ 8 ];
p_bordel[ 4 ] += p_bordel[ 7 ];
p_bordel[ 3 ] += p_bordel[ 6 ];
p_bordel[ 2 ] += p_bordel[ 5 ];
/* no break */
case 2:
p_bordel[ 1 ] += p_bordel[ 4 ];
p_bordel[ 0 ] += p_bordel[ 3 ];
TinyShuffle6( p_bordel );
return; /* jc = 4 */
case 3:
if( (p_bordel[ 11 ] & p_bordel[ 2 ]) > 0x211B )
{
p_bordel[ 6 ] += 1;
}
break;
case 4:
p_bordel[ 7 ] += 1;
/* no break */
case 5:
p_bordel[ 9 ] ^= p_bordel[ 2 ];
break;
case 7:
p_bordel[ 2 ] ^= (p_bordel[ 1 ] & p_bordel[ 13 ]);
break;
case 8:
p_bordel[ 0 ] -= p_bordel[ 11 ] & p_bordel[ 15 ];
return; /* jc = 4 */
case 9:
p_bordel[ 6 ] >>= (p_bordel[ 14 ] & 3);
break;
}
SWAP( p_bordel[ 0 ], p_bordel[ 10 ] );
TinyShuffle6( p_bordel );
return; /* jc = 5 */
}
static void FourthPass( uint32_t * p_bordel )
{
uint32_t i, j;
TinyShuffle7( p_bordel );
switch( p_bordel[ 5 ] % 5)
{
case 0:
p_bordel[ 0 ] += 1;
break;
case 2:
p_bordel[ 11 ] ^= (p_bordel[ 3 ] + p_bordel[ 6 ] + p_bordel[ 8 ]);
break;
case 3:
for( i = 4; i < 15 && (p_bordel[ i ] & 5) == 0; i++ )
{
SWAP( p_bordel[ i ], p_bordel[ 15 - i ] );
}
break;
case 4:
p_bordel[ 12 ] -= 1;
p_bordel[ 13 ] += 1;
p_bordel[ 2 ] -= 0x64;
p_bordel[ 3 ] += 0x64;
TinyShuffle8( p_bordel );
return;
}
for( i = 0, j = 0; i < 16; i++ )
{
if( p_bordel[ i ] > p_bordel[ j ] )
{
j = i;
}
}
switch( p_bordel[ j ] % 100 )
{
case 0:
SWAP( p_bordel[ 0 ], p_bordel[ j ] );
break;
case 8:
p_bordel[ 1 ] >>= 1;
p_bordel[ 2 ] <<= 1;
p_bordel[ 14 ] >>= 3;
p_bordel[ 15 ] <<= 4;
break;
case 57:
p_bordel[ j ] += p_bordel[ 13 ];
break;
case 76:
p_bordel[ 1 ] += 0x20E;
p_bordel[ 5 ] += 0x223D;
p_bordel[ 13 ] -= 0x576;
p_bordel[ 15 ] += 0x576;
return;
case 91:
p_bordel[ 2 ] -= 0x64;
p_bordel[ 3 ] += 0x64;
p_bordel[ 12 ] -= 1;
p_bordel[ 13 ] += 1;
break;
case 99:
p_bordel[ 0 ] += 1;
p_bordel[ j ] += p_bordel[ 13 ];
break;
}
TinyShuffle8( p_bordel );
}
/*****************************************************************************
* TinyShuffle[12345678]: tiny shuffle subroutines
*****************************************************************************
* These standalone functions are little helpers for the shuffling process.
*****************************************************************************/
static void TinyShuffle1( uint32_t * p_bordel )
{
uint32_t i_cmd = (p_bordel[ 5 ] + 10) >> 2;
if( p_bordel[ 5 ] > 0x7D0 )
{
i_cmd -= 0x305;
}
switch( i_cmd & 3 )
{
case 0:
p_bordel[ 5 ] += 5;
break;
case 1:
p_bordel[ 4 ] -= 1;
break;
case 2:
if( p_bordel[ 4 ] & 5 )
{
p_bordel[ 1 ] ^= 0x4D;
}
/* no break */
case 3:
p_bordel[ 12 ] += 5;
break;
}
}
static void TinyShuffle2( uint32_t * p_bordel )
{
uint32_t i, j;
for( i = 0, j = 0; i < 16; i++ )
{
if( (p_bordel[ i ] & 0x777) > (p_bordel[ j ] & 0x777) )
{
j = i;
}
}
if( j > 5 )
{
for( ; j < 15; j++ )
{
p_bordel[ j ] += p_bordel[ j + 1 ];
}
}
else
{
p_bordel[ 2 ] &= 0xB62FC;
}
}
static void TinyShuffle3( uint32_t * p_bordel )
{
uint32_t i_cmd = p_bordel[ 6 ] + 0x194B;
if( p_bordel[ 6 ] > 0x2710 )
{
i_cmd >>= 1;
}
switch( i_cmd & 3 )
{
case 1:
p_bordel[ 3 ] += 0x19FE;
break;
case 2:
p_bordel[ 7 ] -= p_bordel[ 3 ] >> 2;
/* no break */
case 0:
p_bordel[ 5 ] ^= 0x248A;
break;
}
}
static void TinyShuffle4( uint32_t * p_bordel )
{
uint32_t i, j;
for( i = 0, j = 0; i < 16; i++ )
{
if( p_bordel[ i ] < p_bordel[ j ] )
{
j = i;
}
}
if( (p_bordel[ j ] % (j + 1)) > 10 )
{
p_bordel[ 1 ] -= 1;
p_bordel[ 2 ] += 0x13;
p_bordel[ 12 ] += 1;
}
}
static void TinyShuffle5( uint32_t * p_bordel )
{
uint32_t i;
p_bordel[ 2 ] &= 0x7F3F;
for( i = 0; i < 5; i++ )
{
switch( ( p_bordel[ 2 ] + 10 + i ) % 5 )
{
case 0:
p_bordel[ 12 ] &= p_bordel[ 2 ];
/* no break */
case 1:
p_bordel[ 3 ] ^= p_bordel[ 15 ];
break;
case 2:
p_bordel[ 15 ] += 0x576;
/* no break */
case 3:
p_bordel[ 7 ] -= 0x2D;
/* no break */
case 4:
p_bordel[ 1 ] <<= 1;
break;
}
}
}
static void TinyShuffle6( uint32_t * p_bordel )
{
uint32_t i, j;
for( i = 0; i < 8; i++ )
{
j = p_bordel[ 3 ] & 0x7514 ? 5 : 7;
SWAP( p_bordel[ i ], p_bordel[ i + j ] );
}
}
static void TinyShuffle7( uint32_t * p_bordel )
{
uint32_t i;
i = (((p_bordel[ 9 ] + p_bordel[ 15 ] + 12) >> 2) - p_bordel[ 4 ]) & 7;
while( i-- )
{
SWAP( p_bordel[ i ], p_bordel[ i + 3 ] );
}
SWAP( p_bordel[ 1 ], p_bordel[ 10 ] );
}
static void TinyShuffle8( uint32_t * p_bordel )
{
uint32_t i;
i = (p_bordel[ 0 ] & p_bordel[ 6 ]) & 0xF;
switch( p_bordel[ i ] % 1000 )
{
case 7:
if( (p_bordel[ i ] & 0x777) > (p_bordel[ 7 ] & 0x5555) )
{
p_bordel[ i ] ^= p_bordel[ 5 ] & p_bordel[ 3 ];
}
break;
case 19:
p_bordel[ 15 ] &= 0x5555;
break;
case 93:
p_bordel[ i ] ^= p_bordel[ 15 ];
break;
case 100:
SWAP( p_bordel[ 0 ], p_bordel[ 3 ] );
SWAP( p_bordel[ 1 ], p_bordel[ 6 ] );
SWAP( p_bordel[ 3 ], p_bordel[ 6 ] );
SWAP( p_bordel[ 4 ], p_bordel[ 9 ] );
SWAP( p_bordel[ 5 ], p_bordel[ 8 ] );
SWAP( p_bordel[ 6 ], p_bordel[ 7 ] );
SWAP( p_bordel[ 13 ], p_bordel[ 14 ] );
break;
case 329:
p_bordel[ i ] += p_bordel[ 1 ] ^ 0x80080011;
p_bordel[ i ] += p_bordel[ 2 ] ^ 0xBEEFDEAD;
p_bordel[ i ] += p_bordel[ 3 ] ^ 0x8765F444;
p_bordel[ i ] += p_bordel[ 4 ] ^ 0x78145326;
break;
case 567:
p_bordel[ 12 ] -= p_bordel[ i ];
p_bordel[ 13 ] += p_bordel[ i ];
break;
case 612:
p_bordel[ i ] += p_bordel[ 1 ];
p_bordel[ i ] -= p_bordel[ 7 ];
p_bordel[ i ] -= p_bordel[ 8 ];
p_bordel[ i ] += p_bordel[ 9 ];
p_bordel[ i ] += p_bordel[ 13 ];
break;
case 754:
i = __MIN( i, 12 );
p_bordel[ i + 1 ] >>= 1;
p_bordel[ i + 2 ] <<= 4;
p_bordel[ i + 3 ] >>= 3;
break;
case 777:
p_bordel[ 1 ] += 0x20E;
p_bordel[ 5 ] += 0x223D;
p_bordel[ 13 ] -= 0x576;
p_bordel[ 15 ] += 0x576;
break;
case 981:
if( (p_bordel[ i ] ^ 0x8765F441) < 0x2710 )
{
SWAP( p_bordel[ 0 ], p_bordel[ 1 ] );
}
else
{
SWAP( p_bordel[ 1 ], p_bordel[ 11 ] );
}
break;
}
}
/*****************************************************************************
* GetSystemKey: get the system key
*****************************************************************************
* Compute the system key from various system information, see HashSystemInfo.
*****************************************************************************/
static int GetSystemKey( uint32_t *p_sys_key, bool b_ipod )
{
static const char p_secret5[ 8 ] = "YuaFlafu";
static const char p_secret6[ 8 ] = "zPif98ga";
struct md5_s md5;
int64_t i_ipod_id;
uint32_t p_system_hash[ 4 ];
/* Compute the MD5 hash of our system info */
if( ( !b_ipod && HashSystemInfo( p_system_hash ) ) ||
( b_ipod && GetiPodID( &i_ipod_id ) ) )
{
return -1;
}
/* Combine our system info hash with additional secret data. The resulting
* MD5 hash will be our system key. */
InitMD5( &md5 );
AddMD5( &md5, (const uint8_t*)p_secret5, 8 );
if( !b_ipod )
{
AddMD5( &md5, (const uint8_t *)p_system_hash, 6 );
AddMD5( &md5, (const uint8_t *)p_system_hash, 6 );
AddMD5( &md5, (const uint8_t *)p_system_hash, 6 );
AddMD5( &md5, (const uint8_t *)p_secret6, 8 );
}
else
{
i_ipod_id = U64_AT(&i_ipod_id);
AddMD5( &md5, (const uint8_t *)&i_ipod_id, sizeof(i_ipod_id) );
AddMD5( &md5, (const uint8_t *)&i_ipod_id, sizeof(i_ipod_id) );
AddMD5( &md5, (const uint8_t *)&i_ipod_id, sizeof(i_ipod_id) );
}
EndMD5( &md5 );
memcpy( p_sys_key, md5.buf, 16 );
return 0;
}
#ifdef WIN32
# define DRMS_DIRNAME "drms"
#else
# define DRMS_DIRNAME ".drms"
#endif
/*****************************************************************************
* WriteUserKey: write the user key to hard disk
*****************************************************************************
* Write the user key to the hard disk so that it can be reused later or used
* on operating systems other than Win32.
*****************************************************************************/
static int WriteUserKey( void *_p_drms, uint32_t *p_user_key )
{
struct drms_s *p_drms = (struct drms_s *)_p_drms;
FILE *file;
int i_ret = -1;
char psz_path[ PATH_MAX ];
snprintf( psz_path, PATH_MAX - 1,
"%s/" DRMS_DIRNAME, p_drms->psz_homedir );
#if defined( WIN32 )
if( !mkdir( psz_path ) || errno == EEXIST )
#else
if( !mkdir( psz_path, 0755 ) || errno == EEXIST )
#endif
{
snprintf( psz_path, PATH_MAX - 1, "%s/" DRMS_DIRNAME "/%08X.%03d",
p_drms->psz_homedir, p_drms->i_user, p_drms->i_key );
file = vlc_fopen( psz_path, "wb" );
if( file != NULL )
{
i_ret = fwrite( p_user_key, sizeof(uint32_t),
4, file ) == 4 ? 0 : -1;
fclose( file );
}
}
return i_ret;
}
/*****************************************************************************
* ReadUserKey: read the user key from hard disk
*****************************************************************************
* Retrieve the user key from the hard disk if available.
*****************************************************************************/
static int ReadUserKey( void *_p_drms, uint32_t *p_user_key )
{
struct drms_s *p_drms = (struct drms_s *)_p_drms;
FILE *file;
int i_ret = -1;
char psz_path[ PATH_MAX ];
snprintf( psz_path, PATH_MAX - 1,
"%s/" DRMS_DIRNAME "/%08X.%03d", p_drms->psz_homedir,
p_drms->i_user, p_drms->i_key );
file = vlc_fopen( psz_path, "rb" );
if( file != NULL )
{
i_ret = fread( p_user_key, sizeof(uint32_t),
4, file ) == 4 ? 0 : -1;
fclose( file );
}
return i_ret;
}
/*****************************************************************************
* GetUserKey: get the user key
*****************************************************************************
* Retrieve the user key from the hard disk if available, otherwise generate
* it from the system key. If the key could be successfully generated, write
* it to the hard disk for future use.
*****************************************************************************/
static int GetUserKey( void *_p_drms, uint32_t *p_user_key )
{
static const char p_secret7[] = "mUfnpognadfgf873";
struct drms_s *p_drms = (struct drms_s *)_p_drms;
struct aes_s aes;
struct shuffle_s shuffle;
uint32_t i, y;
uint32_t *p_sci_data = NULL;
uint32_t i_user, i_key;
uint32_t p_sys_key[ 4 ];
uint32_t i_sci_size = 0, i_blocks, i_remaining;
uint32_t *p_sci0, *p_sci1, *p_buffer;
uint32_t p_sci_key[ 4 ];
char *psz_ipod;
int i_ret = -5;
if( ReadUserKey( p_drms, p_user_key ) == 0 )
{
REVERSE( p_user_key, 4 );
return 0;
}
psz_ipod = getenv( "IPOD" );
if( GetSystemKey( p_sys_key, psz_ipod ? true : false ) )
{
return -3;
}
if( GetSCIData( psz_ipod, &p_sci_data, &i_sci_size ) )
{
return -4;
}
/* Phase 1: unscramble the SCI data using the system key and shuffle
* it using DoShuffle(). */
/* Skip the first 4 bytes (some sort of header). Decrypt the rest. */
i_blocks = (i_sci_size - 4) / 16;
i_remaining = (i_sci_size - 4) - (i_blocks * 16);
p_buffer = p_sci_data + 1;
/* Decrypt and shuffle our data at the same time */
InitAES( &aes, p_sys_key );
REVERSE( p_sys_key, 4 );
REVERSE( p_sci_data, 1 );
InitShuffle( &shuffle, p_sys_key, p_sci_data[ 0 ] );
memcpy( p_sci_key, p_secret7, 16 );
REVERSE( p_sci_key, 4 );
while( i_blocks-- )
{
uint32_t p_tmp[ 4 ];
REVERSE( p_buffer, 4 );
DecryptAES( &aes, p_tmp, p_buffer );
BlockXOR( p_tmp, p_sci_key, p_tmp );
/* Use the previous scrambled data as the key for next block */
memcpy( p_sci_key, p_buffer, 16 );
/* Shuffle the decrypted data using a custom routine */
DoShuffle( &shuffle, p_tmp, 4 );
/* Copy this block back to p_buffer */
memcpy( p_buffer, p_tmp, 16 );
p_buffer += 4;
}
if( i_remaining >= 4 )
{
REVERSE( p_buffer, i_remaining / 4 );
DoShuffle( &shuffle, p_buffer, i_remaining / 4 );
}
/* Phase 2: look for the user key in the generated data. I must admit I
* do not understand what is going on here, because it almost
* looks like we are browsing data that makes sense, even though
* the DoShuffle() part made it completely meaningless. */
y = 0;
REVERSE( p_sci_data + 5, 1 );
i = U32_AT( p_sci_data + 5 );
i_sci_size -= 22 * sizeof(uint32_t);
p_sci1 = p_sci_data + 22;
p_sci0 = NULL;
while( i_sci_size >= 20 && i > 0 )
{
if( p_sci0 == NULL )
{
i_sci_size -= 18 * sizeof(uint32_t);
if( i_sci_size < 20 )
{
break;
}
p_sci0 = p_sci1;
REVERSE( p_sci1 + 17, 1 );
y = U32_AT( p_sci1 + 17 );
p_sci1 += 18;
}
if( !y )
{
i--;
p_sci0 = NULL;
continue;
}
i_user = U32_AT( p_sci0 );
i_key = U32_AT( p_sci1 );
REVERSE( &i_user, 1 );
REVERSE( &i_key, 1 );
if( i_user == p_drms->i_user && ( ( i_key == p_drms->i_key ) ||
( !p_drms->i_key && ( p_sci1 == (p_sci0 + 18) ) ) ) )
{
memcpy( p_user_key, p_sci1 + 1, 16 );
REVERSE( p_sci1 + 1, 4 );
WriteUserKey( p_drms, p_sci1 + 1 );
i_ret = 0;
break;
}
y--;
p_sci1 += 5;
i_sci_size -= 5 * sizeof(uint32_t);
}
free( p_sci_data );
return i_ret;
}
/*****************************************************************************
* GetSCIData: get SCI data from "SC Info.sidb"
*****************************************************************************
* Read SCI data from "\Apple Computer\iTunes\SC Info\SC Info.sidb"
*****************************************************************************/
static int GetSCIData( char *psz_ipod, uint32_t **pp_sci,
uint32_t *pi_sci_size )
{
FILE *file;
char *psz_path = NULL;
char p_tmp[ 4 * PATH_MAX ];
int i_ret = -1;
if( psz_ipod == NULL )
{
#ifdef WIN32
const char *SCIfile =
"\\Apple Computer\\iTunes\\SC Info\\SC Info.sidb";
strncpy( p_tmp, config_GetConfDir(), sizeof(p_tmp) - 1 );
if( strlen( p_tmp ) + strlen( SCIfile ) >= PATH_MAX )
return -1;
strcat(p_tmp, SCIfile);
p_tmp[sizeof( p_tmp ) - 1] = '\0';
psz_path = p_tmp;
#endif
}
else
{
#define ISCINFO "iSCInfo"
if( strstr( psz_ipod, ISCINFO ) == NULL )
{
snprintf( p_tmp, sizeof(p_tmp) - 1,
"%s/iPod_Control/iTunes/" ISCINFO "2", psz_ipod );
psz_path = p_tmp;
}
else
{
psz_path = psz_ipod;
}
}
if( psz_path == NULL )
{
return -1;
}
file = vlc_fopen( psz_path, "rb" );
if( file != NULL )
{
struct stat st;
if( !fstat( fileno( file ), &st ) && st.st_size >= 4 )
{
*pp_sci = malloc( st.st_size );
if( *pp_sci != NULL )
{
if( fread( *pp_sci, 1, st.st_size,
file ) == (size_t)st.st_size )
{
*pi_sci_size = st.st_size;
i_ret = 0;
}
else
{
free( (void *)*pp_sci );
*pp_sci = NULL;
}
}
}
fclose( file );
}
return i_ret;
}
/*****************************************************************************
* HashSystemInfo: hash system information
*****************************************************************************
* This function computes the MD5 hash of the C: hard drive serial number,
* BIOS version, CPU type and Windows version.
*****************************************************************************/
static int HashSystemInfo( uint32_t *p_system_hash )
{
struct md5_s md5;
int i_ret = 0;
#ifdef WIN32
HKEY i_key;
unsigned int i;
DWORD i_size;
DWORD i_serial;
LPBYTE p_reg_buf;
static const LPCTSTR p_reg_keys[ 3 ][ 2 ] =
{
{
_T("HARDWARE\\DESCRIPTION\\System"),
_T("SystemBiosVersion")
},
{
_T("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0"),
_T("ProcessorNameString")
},
{
_T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion"),
_T("ProductId")
}
};
InitMD5( &md5 );
AddMD5( &md5, "cache-control", 13 );
AddMD5( &md5, "Ethernet", 8 );
GetVolumeInformation( _T("C:\\"), NULL, 0, &i_serial,
NULL, NULL, NULL, 0 );
AddMD5( &md5, (const uint8_t *)&i_serial, 4 );
for( i = 0; i < sizeof(p_reg_keys) / sizeof(p_reg_keys[ 0 ]); i++ )
{
if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, p_reg_keys[ i ][ 0 ],
0, KEY_READ, &i_key ) != ERROR_SUCCESS )
{
continue;
}
if( RegQueryValueEx( i_key, p_reg_keys[ i ][ 1 ],
NULL, NULL, NULL, &i_size ) != ERROR_SUCCESS )
{
RegCloseKey( i_key );
continue;
}
p_reg_buf = malloc( i_size );
if( p_reg_buf != NULL )
{
if( RegQueryValueEx( i_key, p_reg_keys[ i ][ 1 ],
NULL, NULL, p_reg_buf,
&i_size ) == ERROR_SUCCESS )
{
AddMD5( &md5, (const uint8_t *)p_reg_buf, i_size );
}
free( p_reg_buf );
}
RegCloseKey( i_key );
}
#else
InitMD5( &md5 );
i_ret = -1;
#endif
EndMD5( &md5 );
memcpy( p_system_hash, md5.buf, 16 );
return i_ret;
}
/*****************************************************************************
* GetiPodID: Get iPod ID
*****************************************************************************
* This function gets the iPod ID.
*****************************************************************************/
static int GetiPodID( int64_t *p_ipod_id )
{
int i_ret = -1;
#define PROD_NAME "iPod"
#define VENDOR_NAME "Apple Computer, Inc."
char *psz_ipod_id = getenv( "IPODID" );
if( psz_ipod_id != NULL )
{
*p_ipod_id = strtoll( psz_ipod_id, NULL, 16 );
return 0;
}
#ifdef HAVE_MACOS_IOKIT
CFTypeRef value;
mach_port_t port;
io_object_t device;
io_iterator_t iterator;
CFMutableDictionaryRef match_dic;
CFMutableDictionaryRef smatch_dic;
if( IOMasterPort( MACH_PORT_NULL, &port ) == KERN_SUCCESS )
{
smatch_dic = IOServiceMatching( "IOFireWireUnit" );
match_dic = CFDictionaryCreateMutable( kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks );
if( smatch_dic != NULL && match_dic != NULL )
{
CFDictionarySetValue( smatch_dic,
CFSTR("FireWire Vendor Name"),
CFSTR(VENDOR_NAME) );
CFDictionarySetValue( smatch_dic,
CFSTR("FireWire Product Name"),
CFSTR(PROD_NAME) );
CFDictionarySetValue( match_dic,
CFSTR(kIOPropertyMatchKey),
smatch_dic );
CFRelease( smatch_dic );
if( IOServiceGetMatchingServices( port, match_dic,
&iterator ) == KERN_SUCCESS )
{
while( ( device = IOIteratorNext( iterator ) ) != 0 )
{
value = IORegistryEntryCreateCFProperty( device,
CFSTR("GUID"), kCFAllocatorDefault, kNilOptions );
if( value != NULL )
{
if( CFGetTypeID( value ) == CFNumberGetTypeID() )
{
int64_t i_ipod_id;
CFNumberGetValue( (CFNumberRef)value,
kCFNumberLongLongType,
&i_ipod_id );
*p_ipod_id = i_ipod_id;
i_ret = 0;
}
CFRelease( value );
}
IOObjectRelease( device );
if( !i_ret ) break;
}
IOObjectRelease( iterator );
}
}
else
{
if( match_dic )
CFRelease( match_dic );
if( smatch_dic )
CFRelease( smatch_dic );
}
mach_port_deallocate( mach_task_self(), port );
}
#endif
return i_ret;
}
#else /* !defined( UNDER_CE ) */
void *drms_alloc( const char *psz_homedir ){ return NULL; }
void drms_free( void *a ){}
void drms_decrypt( void *a, uint32_t *b, uint32_t c, uint32_t *k ){}
void drms_get_p_key( void *p_drms, uint32_t *p_key ){}
int drms_init( void *a, uint32_t b, uint8_t *c, uint32_t d ){ return -1; }
#endif /* defined( UNDER_CE ) */
modules/demux/mp4/drms.h deleted 100644 → 0
View file @ 790d3d45
/*****************************************************************************
* drms.h : DRMS
*****************************************************************************
* Copyright (C) 2004 the VideoLAN team
* $Id$
*
* Author: Jon Lech Johansen <jon-vl@nanocrew.net>
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef _VLC_DRMS_H
#define _VLC_DRMS_H 1
extern void *drms_alloc( const char *psz_homedir );
extern void drms_free( void *p_drms );
extern int drms_init( void *p_drms, uint32_t i_type,
uint8_t *p_info, uint32_t i_len );
extern void drms_decrypt( void *p_drms, uint32_t *p_buffer,
uint32_t i_len, uint32_t *p_key );
extern void drms_get_p_key( void *p_drms, uint32_t *p_key );
#endif
modules/demux/mp4/drmstables.h deleted 100644 → 0
View file @ 790d3d45
/*****************************************************************************
* drmstables.h : AES/Rijndael block cipher and miscellaneous tables
*****************************************************************************
* Copyright (C) 2004, 2006 the VideoLAN team
* $Id$
*
* Author: Jon Lech Johansen <jon-vl@nanocrew.net>
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* p_aes_table, p_aes_encrypt, p_aes_itable, p_aes_decrypt: AES tables
*****************************************************************************
* The following tables and macros are used for the AES (Rijndael) cypher.
*****************************************************************************/
#define AES_ROR( x, n ) (((x) << (32-(n))) | ((x) >> (n)))
#define AES_XOR_ROR( p_table, p_tmp ) \
( p_table[ (p_tmp[ t > 2 ? t - 3 : t + 1 ] >> 24) & 0xFF ] \
^ AES_ROR( p_table[ (p_tmp[ t > 1 ? t - 2 : t + 2 ] >> 16) & 0xFF ], 8 ) \
^ AES_ROR( p_table[ (p_tmp[ t > 0 ? t - 1 : t + 3 ] >> 8) & 0xFF ], 16 ) \
^ AES_ROR( p_table[ p_tmp[ t ] & 0xFF ], 24 ) )
#define AES_KEY_COUNT 10
static uint32_t const p_aes_table[ AES_KEY_COUNT ] =
{
0x00000001, 0x00000002, 0x00000004, 0x00000008, 0x00000010, 0x00000020,
0x00000040, 0x00000080, 0x0000001b, 0x00000036
};
static uint32_t const p_aes_encrypt[ 256 ] =
{
0x63000000, 0x7c000000, 0x77000000, 0x7b000000, 0xf2000000, 0x6b000000,
0x6f000000, 0xc5000000, 0x30000000, 0x01000000, 0x67000000, 0x2b000000,
0xfe000000, 0xd7000000, 0xab000000, 0x76000000, 0xca000000, 0x82000000,
0xc9000000, 0x7d000000, 0xfa000000, 0x59000000, 0x47000000, 0xf0000000,
0xad000000, 0xd4000000, 0xa2000000, 0xaf000000, 0x9c000000, 0xa4000000,
0x72000000, 0xc0000000, 0xb7000000, 0xfd000000, 0x93000000, 0x26000000,
0x36000000, 0x3f000000, 0xf7000000, 0xcc000000, 0x34000000, 0xa5000000,
0xe5000000, 0xf1000000, 0x71000000, 0xd8000000, 0x31000000, 0x15000000,
0x04000000, 0xc7000000, 0x23000000, 0xc3000000, 0x18000000, 0x96000000,
0x05000000, 0x9a000000, 0x07000000, 0x12000000, 0x80000000, 0xe2000000,
0xeb000000, 0x27000000, 0xb2000000, 0x75000000, 0x09000000, 0x83000000,
0x2c000000, 0x1a000000, 0x1b000000, 0x6e000000, 0x5a000000, 0xa0000000,
0x52000000, 0x3b000000, 0xd6000000, 0xb3000000, 0x29000000, 0xe3000000,
0x2f000000, 0x84000000, 0x53000000, 0xd1000000, 0x00000000, 0xed000000,
0x20000000, 0xfc000000, 0xb1000000, 0x5b000000, 0x6a000000, 0xcb000000,
0xbe000000, 0x39000000, 0x4a000000, 0x4c000000, 0x58000000, 0xcf000000,
0xd0000000, 0xef000000, 0xaa000000, 0xfb000000, 0x43000000, 0x4d000000,
0x33000000, 0x85000000, 0x45000000, 0xf9000000, 0x02000000, 0x7f000000,
0x50000000, 0x3c000000, 0x9f000000, 0xa8000000, 0x51000000, 0xa3000000,
0x40000000, 0x8f000000, 0x92000000, 0x9d000000, 0x38000000, 0xf5000000,
0xbc000000, 0xb6000000, 0xda000000, 0x21000000, 0x10000000, 0xff000000,
0xf3000000, 0xd2000000, 0xcd000000, 0x0c000000, 0x13000000, 0xec000000,
0x5f000000, 0x97000000, 0x44000000, 0x17000000, 0xc4000000, 0xa7000000,
0x7e000000, 0x3d000000, 0x64000000, 0x5d000000, 0x19000000, 0x73000000,
0x60000000, 0x81000000, 0x4f000000, 0xdc000000, 0x22000000, 0x2a000000,
0x90000000, 0x88000000, 0x46000000, 0xee000000, 0xb8000000, 0x14000000,
0xde000000, 0x5e000000, 0x0b000000, 0xdb000000, 0xe0000000, 0x32000000,
0x3a000000, 0x0a000000, 0x49000000, 0x06000000, 0x24000000, 0x5c000000,
0xc2000000, 0xd3000000, 0xac000000, 0x62000000, 0x91000000, 0x95000000,
0xe4000000, 0x79000000, 0xe7000000, 0xc8000000, 0x37000000, 0x6d000000,
0x8d000000, 0xd5000000, 0x4e000000, 0xa9000000, 0x6c000000, 0x56000000,
0xf4000000, 0xea000000, 0x65000000, 0x7a000000, 0xae000000, 0x08000000,
0xba000000, 0x78000000, 0x25000000, 0x2e000000, 0x1c000000, 0xa6000000,
0xb4000000, 0xc6000000, 0xe8000000, 0xdd000000, 0x74000000, 0x1f000000,
0x4b000000, 0xbd000000, 0x8b000000, 0x8a000000, 0x70000000, 0x3e000000,
0xb5000000, 0x66000000, 0x48000000, 0x03000000, 0xf6000000, 0x0e000000,
0x61000000, 0x35000000, 0x57000000, 0xb9000000, 0x86000000, 0xc1000000,
0x1d000000, 0x9e000000, 0xe1000000, 0xf8000000, 0x98000000, 0x11000000,
0x69000000, 0xd9000000, 0x8e000000, 0x94000000, 0x9b000000, 0x1e000000,
0x87000000, 0xe9000000, 0xce000000, 0x55000000, 0x28000000, 0xdf000000,
0x8c000000, 0xa1000000, 0x89000000, 0x0d000000, 0xbf000000, 0xe6000000,
0x42000000, 0x68000000, 0x41000000, 0x99000000, 0x2d000000, 0x0f000000,
0xb0000000, 0x54000000, 0xbb000000, 0x16000000
};
static uint32_t const p_aes_itable[ 256 ] =
{
0x5150a7f4, 0x7e536541, 0x1ac3a417, 0x3a965e27, 0x3bcb6bab, 0x1ff1459d,
0xacab58fa, 0x4b9303e3, 0x2055fa30, 0xadf66d76, 0x889176cc, 0xf5254c02,
0x4ffcd7e5, 0xc5d7cb2a, 0x26804435, 0xb58fa362, 0xde495ab1, 0x25671bba,
0x45980eea, 0x5de1c0fe, 0xc302752f, 0x8112f04c, 0x8da39746, 0x6bc6f9d3,
0x03e75f8f, 0x15959c92, 0xbfeb7a6d, 0x95da5952, 0xd42d83be, 0x58d32174,
0x492969e0, 0x8e44c8c9, 0x756a89c2, 0xf478798e, 0x996b3e58, 0x27dd71b9,
0xbeb64fe1, 0xf017ad88, 0xc966ac20, 0x7db43ace, 0x63184adf, 0xe582311a,
0x97603351, 0x62457f53, 0xb1e07764, 0xbb84ae6b, 0xfe1ca081, 0xf9942b08,
0x70586848, 0x8f19fd45, 0x94876cde, 0x52b7f87b, 0xab23d373, 0x72e2024b,
0xe3578f1f, 0x662aab55, 0xb20728eb, 0x2f03c2b5, 0x869a7bc5, 0xd3a50837,
0x30f28728, 0x23b2a5bf, 0x02ba6a03, 0xed5c8216, 0x8a2b1ccf, 0xa792b479,
0xf3f0f207, 0x4ea1e269, 0x65cdf4da, 0x06d5be05, 0xd11f6234, 0xc48afea6,
0x349d532e, 0xa2a055f3, 0x0532e18a, 0xa475ebf6, 0x0b39ec83, 0x40aaef60,
0x5e069f71, 0xbd51106e, 0x3ef98a21, 0x963d06dd, 0xddae053e, 0x4d46bde6,
0x91b58d54, 0x71055dc4, 0x046fd406, 0x60ff1550, 0x1924fb98, 0xd697e9bd,
0x89cc4340, 0x67779ed9, 0xb0bd42e8, 0x07888b89, 0xe7385b19, 0x79dbeec8,
0xa1470a7c, 0x7ce90f42, 0xf8c91e84, 0x00000000, 0x09838680, 0x3248ed2b,
0x1eac7011, 0x6c4e725a, 0xfdfbff0e, 0x0f563885, 0x3d1ed5ae, 0x3627392d,
0x0a64d90f, 0x6821a65c, 0x9bd1545b, 0x243a2e36, 0x0cb1670a, 0x930fe757,
0xb4d296ee, 0x1b9e919b, 0x804fc5c0, 0x61a220dc, 0x5a694b77, 0x1c161a12,
0xe20aba93, 0xc0e52aa0, 0x3c43e022, 0x121d171b, 0x0e0b0d09, 0xf2adc78b,
0x2db9a8b6, 0x14c8a91e, 0x578519f1, 0xaf4c0775, 0xeebbdd99, 0xa3fd607f,
0xf79f2601, 0x5cbcf572, 0x44c53b66, 0x5b347efb, 0x8b762943, 0xcbdcc623,
0xb668fced, 0xb863f1e4, 0xd7cadc31, 0x42108563, 0x13402297, 0x842011c6,
0x857d244a, 0xd2f83dbb, 0xae1132f9, 0xc76da129, 0x1d4b2f9e, 0xdcf330b2,
0x0dec5286, 0x77d0e3c1, 0x2b6c16b3, 0xa999b970, 0x11fa4894, 0x472264e9,
0xa8c48cfc, 0xa01a3ff0, 0x56d82c7d, 0x22ef9033, 0x87c74e49, 0xd9c1d138,
0x8cfea2ca, 0x98360bd4, 0xa6cf81f5, 0xa528de7a, 0xda268eb7, 0x3fa4bfad,
0x2ce49d3a, 0x500d9278, 0x6a9bcc5f, 0x5462467e, 0xf6c2138d, 0x90e8b8d8,
0x2e5ef739, 0x82f5afc3, 0x9fbe805d, 0x697c93d0, 0x6fa92dd5, 0xcfb31225,
0xc83b99ac, 0x10a77d18, 0xe86e639c, 0xdb7bbb3b, 0xcd097826, 0x6ef41859,
0xec01b79a, 0x83a89a4f, 0xe6656e95, 0xaa7ee6ff, 0x2108cfbc, 0xefe6e815,
0xbad99be7, 0x4ace366f, 0xead4099f, 0x29d67cb0, 0x31afb2a4, 0x2a31233f,
0xc63094a5, 0x35c066a2, 0x7437bc4e, 0xfca6ca82, 0xe0b0d090, 0x3315d8a7,
0xf14a9804, 0x41f7daec, 0x7f0e50cd, 0x172ff691, 0x768dd64d, 0x434db0ef,
0xcc544daa, 0xe4df0496, 0x9ee3b5d1, 0x4c1b886a, 0xc1b81f2c, 0x467f5165,
0x9d04ea5e, 0x015d358c, 0xfa737487, 0xfb2e410b, 0xb35a1d67, 0x9252d2db,
0xe9335610, 0x6d1347d6, 0x9a8c61d7, 0x377a0ca1, 0x598e14f8, 0xeb893c13,
0xceee27a9, 0xb735c961, 0xe1ede51c, 0x7a3cb147, 0x9c59dfd2, 0x553f73f2,
0x1879ce14, 0x73bf37c7, 0x53eacdf7, 0x5f5baafd, 0xdf146f3d, 0x7886db44,
0xca81f3af, 0xb93ec468, 0x382c3424, 0xc25f40a3, 0x1672c31d, 0xbc0c25e2,
0x288b493c, 0xff41950d, 0x397101a8, 0x08deb30c, 0xd89ce4b4, 0x6490c156,
0x7b6184cb, 0xd570b632, 0x48745c6c, 0xd04257b8
};
static uint32_t const p_aes_decrypt[ 256 ] =
{
0x52000000, 0x09000000, 0x6a000000, 0xd5000000, 0x30000000, 0x36000000,
0xa5000000, 0x38000000, 0xbf000000, 0x40000000, 0xa3000000, 0x9e000000,
0x81000000, 0xf3000000, 0xd7000000, 0xfb000000, 0x7c000000, 0xe3000000,
0x39000000, 0x82000000, 0x9b000000, 0x2f000000, 0xff000000, 0x87000000,
0x34000000, 0x8e000000, 0x43000000, 0x44000000, 0xc4000000, 0xde000000,
0xe9000000, 0xcb000000, 0x54000000, 0x7b000000, 0x94000000, 0x32000000,
0xa6000000, 0xc2000000, 0x23000000, 0x3d000000, 0xee000000, 0x4c000000,
0x95000000, 0x0b000000, 0x42000000, 0xfa000000, 0xc3000000, 0x4e000000,
0x08000000, 0x2e000000, 0xa1000000, 0x66000000, 0x28000000, 0xd9000000,
0x24000000, 0xb2000000, 0x76000000, 0x5b000000, 0xa2000000, 0x49000000,
0x6d000000, 0x8b000000, 0xd1000000, 0x25000000, 0x72000000, 0xf8000000,
0xf6000000, 0x64000000, 0x86000000, 0x68000000, 0x98000000, 0x16000000,
0xd4000000, 0xa4000000, 0x5c000000, 0xcc000000, 0x5d000000, 0x65000000,
0xb6000000, 0x92000000, 0x6c000000, 0x70000000, 0x48000000, 0x50000000,
0xfd000000, 0xed000000, 0xb9000000, 0xda000000, 0x5e000000, 0x15000000,
0x46000000, 0x57000000, 0xa7000000, 0x8d000000, 0x9d000000, 0x84000000,
0x90000000, 0xd8000000, 0xab000000, 0x00000000, 0x8c000000, 0xbc000000,
0xd3000000, 0x0a000000, 0xf7000000, 0xe4000000, 0x58000000, 0x05000000,
0xb8000000, 0xb3000000, 0x45000000, 0x06000000, 0xd0000000, 0x2c000000,
0x1e000000, 0x8f000000, 0xca000000, 0x3f000000, 0x0f000000, 0x02000000,
0xc1000000, 0xaf000000, 0xbd000000, 0x03000000, 0x01000000, 0x13000000,
0x8a000000, 0x6b000000, 0x3a000000, 0x91000000, 0x11000000, 0x41000000,
0x4f000000, 0x67000000, 0xdc000000, 0xea000000, 0x97000000, 0xf2000000,
0xcf000000, 0xce000000, 0xf0000000, 0xb4000000, 0xe6000000, 0x73000000,
0x96000000, 0xac000000, 0x74000000, 0x22000000, 0xe7000000, 0xad000000,
0x35000000, 0x85000000, 0xe2000000, 0xf9000000, 0x37000000, 0xe8000000,
0x1c000000, 0x75000000, 0xdf000000, 0x6e000000, 0x47000000, 0xf1000000,
0x1a000000, 0x71000000, 0x1d000000, 0x29000000, 0xc5000000, 0x89000000,
0x6f000000, 0xb7000000, 0x62000000, 0x0e000000, 0xaa000000, 0x18000000,
0xbe000000, 0x1b000000, 0xfc000000, 0x56000000, 0x3e000000, 0x4b000000,
0xc6000000, 0xd2000000, 0x79000000, 0x20000000, 0x9a000000, 0xdb000000,
0xc0000000, 0xfe000000, 0x78000000, 0xcd000000, 0x5a000000, 0xf4000000,
0x1f000000, 0xdd000000, 0xa8000000, 0x33000000, 0x88000000, 0x07000000,
0xc7000000, 0x31000000, 0xb1000000, 0x12000000, 0x10000000, 0x59000000,
0x27000000, 0x80000000, 0xec000000, 0x5f000000, 0x60000000, 0x51000000,
0x7f000000, 0xa9000000, 0x19000000, 0xb5000000, 0x4a000000, 0x0d000000,
0x2d000000, 0xe5000000, 0x7a000000, 0x9f000000, 0x93000000, 0xc9000000,
0x9c000000, 0xef000000, 0xa0000000, 0xe0000000, 0x3b000000, 0x4d000000,
0xae000000, 0x2a000000, 0xf5000000, 0xb0000000, 0xc8000000, 0xeb000000,
0xbb000000, 0x3c000000, 0x83000000, 0x53000000, 0x99000000, 0x61000000,
0x17000000, 0x2b000000, 0x04000000, 0x7e000000, 0xba000000, 0x77000000,
0xd6000000, 0x26000000, 0xe1000000, 0x69000000, 0x14000000, 0x63000000,
0x55000000, 0x21000000, 0x0c000000, 0x7d000000
};
/*****************************************************************************
* p_shuffle_xor, p_shuffle_sub, p_shuffle_add: iTMS drms v1
*****************************************************************************
* The following tables are used for the first version of the iTMS drms key
* scrambling algorithm.
*****************************************************************************/
static uint16_t const p_shuffle_xor[ 256 ] =
{
0x00d1, 0x0315, 0x1a32, 0x19ec, 0x1bbb, 0x1d6f, 0x14fe, 0x0e9e,
0x029e, 0x1b8f, 0x0b70, 0x033a, 0x188e, 0x1d18, 0x0bd8, 0x0edb,
0x0c64, 0x1c2b, 0x149c, 0x047b, 0x1064, 0x1c7c, 0x118d, 0x1355,
0x0ae5, 0x0f18, 0x016f, 0x17d6, 0x1595, 0x0084, 0x0616, 0x1ccd,
0x1d94, 0x0618, 0x182c, 0x195b, 0x196d, 0x0394, 0x07db, 0x0287,
0x1636, 0x0b81, 0x1519, 0x0df9, 0x1ba3, 0x1cc3, 0x0ee2, 0x1434,
0x1457, 0x0ced, 0x0f7d, 0x0d7b, 0x0b9e, 0x0d13, 0x13d7, 0x18d0,
0x1259, 0x1977, 0x0606, 0x1e80, 0x05f2, 0x06b8, 0x1f07, 0x1365,
0x0334, 0x0e30, 0x195f, 0x15f1, 0x058e, 0x0aa8, 0x045a, 0x0465,
0x0b3e, 0x071e, 0x0a36, 0x105c, 0x01ac, 0x1a1e, 0x04e4, 0x056b,
0x12bf, 0x0da2, 0x0b41, 0x0eaf, 0x034f, 0x0181, 0x04e2, 0x002b,
0x12e6, 0x01be, 0x10e8, 0x128f, 0x0eb2, 0x1369, 0x05be, 0x1a59,
0x117e, 0x047c, 0x1e86, 0x056a, 0x0da7, 0x0d61, 0x03fc, 0x1e6e,
0x1d0c, 0x1e6d, 0x14bf, 0x0c50, 0x063a, 0x1b47, 0x17ae, 0x1321,
0x041b, 0x0a24, 0x0d4d, 0x1f2b, 0x1cb6, 0x1bed, 0x1549, 0x03a7,
0x0254, 0x006c, 0x0c9e, 0x0f73, 0x006c, 0x0008, 0x11f9, 0x0dd5,
0x0bcf, 0x0af9, 0x1dfe, 0x0341, 0x0e49, 0x0d38, 0x17cb, 0x1513,
0x0e96, 0x00ed, 0x0556, 0x1b28, 0x100c, 0x19d8, 0x14fa, 0x028c,
0x1c60, 0x1232, 0x13d3, 0x0d00, 0x1534, 0x192c, 0x14b5, 0x1cf2,
0x0504, 0x0b5b, 0x1ecf, 0x0423, 0x183b, 0x06b0, 0x169e, 0x1066,
0x04cb, 0x08a2, 0x1b4a, 0x1254, 0x198d, 0x1044, 0x0236, 0x1bd8,
0x18a1, 0x03ff, 0x1a0d, 0x0277, 0x0c2d, 0x17c9, 0x007c, 0x116e,
0x048a, 0x1eaf, 0x0922, 0x0c45, 0x0766, 0x1e5f, 0x1a28, 0x0120,
0x1c15, 0x034c, 0x0508, 0x0e73, 0x0879, 0x0441, 0x09ae, 0x132f,
0x14fe, 0x0413, 0x0a9d, 0x1727, 0x01d7, 0x1a2b, 0x0474, 0x18f0,
0x1f3b, 0x14f5, 0x1071, 0x0895, 0x1071, 0x18ff, 0x18e3, 0x0eb9,
0x0ba9, 0x0961, 0x1599, 0x019e, 0x1d12, 0x1baa, 0x1e94, 0x1921,
0x14dc, 0x124e, 0x0a25, 0x03ab, 0x1cc0, 0x1ebb, 0x0b4b, 0x16e5,
0x11ea, 0x0d78, 0x1bb3, 0x1ba7, 0x1510, 0x1b7b, 0x0c64, 0x1995,
0x1a58, 0x1651, 0x1964, 0x147a, 0x15f2, 0x11bb, 0x1654, 0x166e,
0x0ea9, 0x1de1, 0x1443, 0x13c5, 0x00e1, 0x0b2f, 0x0b6f, 0x0a37,
0x18ac, 0x08e6, 0x06f0, 0x136e, 0x0853, 0x0b2e, 0x0813, 0x10d6
};
static uint16_t const p_shuffle_sub[ 256 ] =
{
0x067a, 0x0c7d, 0x0b4f, 0x127d, 0x0bd6, 0x04ac, 0x16e0, 0x1730,
0x0587, 0x0afb, 0x1ac3, 0x0120, 0x14b5, 0x0f67, 0x11de, 0x0961,
0x1127, 0x1a68, 0x07f0, 0x17d0, 0x1a6f, 0x1f3b, 0x01ef, 0x0919,
0x131e, 0x0f90, 0x19e9, 0x18a8, 0x0cb2, 0x1ad0, 0x0c66, 0x0378,
0x03b0, 0x01be, 0x1866, 0x1159, 0x197c, 0x1105, 0x010b, 0x0353,
0x1abb, 0x09a6, 0x028a, 0x1bad, 0x1b20, 0x0455, 0x0f57, 0x0588,
0x1491, 0x0a1d, 0x0f04, 0x0650, 0x191e, 0x1e0e, 0x174b, 0x016b,
0x051f, 0x0532, 0x00df, 0x1aea, 0x0005, 0x0e1b, 0x0ff6, 0x08d8,
0x14b4, 0x086a, 0x0c20, 0x0149, 0x1971, 0x0f26, 0x1852, 0x017d,
0x1228, 0x0352, 0x0a44, 0x1330, 0x18df, 0x1e38, 0x01bc, 0x0bac,
0x1a48, 0x021f, 0x02f7, 0x0c31, 0x0bc4, 0x1e75, 0x105c, 0x13e3,
0x0b20, 0x03a1, 0x1af3, 0x1a36, 0x0e34, 0x181f, 0x09bd, 0x122b,
0x0ee0, 0x163b, 0x0be7, 0x103d, 0x1075, 0x1e9d, 0x02af, 0x0ba2,
0x1daa, 0x0cf1, 0x04b6, 0x0598, 0x06a1, 0x0d33, 0x1cfe, 0x04ee,
0x1bad, 0x07c8, 0x1a48, 0x05e6, 0x031f, 0x0e0a, 0x0326, 0x1650,
0x0526, 0x0b4e, 0x08fc, 0x0e4d, 0x0832, 0x06ea, 0x09bf, 0x0993,
0x09eb, 0x0f31, 0x071b, 0x14d5, 0x11ca, 0x0722, 0x120d, 0x014c,
0x1993, 0x0ae4, 0x1ccb, 0x04e9, 0x0aee, 0x1708, 0x0c3d, 0x12f2,
0x1a19, 0x07c1, 0x05a7, 0x0744, 0x1606, 0x1a9b, 0x042d, 0x1bfc,
0x1841, 0x0c3c, 0x0ffe, 0x1ab1, 0x1416, 0x18a9, 0x0320, 0x1ec2,
0x0ae7, 0x11c6, 0x124a, 0x11df, 0x0f81, 0x06cf, 0x0ed9, 0x0253,
0x1d2b, 0x0349, 0x0805, 0x08b3, 0x1052, 0x12cf, 0x0a44, 0x0ea6,
0x03bf, 0x1d90, 0x0ef8, 0x0657, 0x156d, 0x0405, 0x10be, 0x091f,
0x1c82, 0x1725, 0x19ef, 0x0b8c, 0x04d9, 0x02c7, 0x025a, 0x1b89,
0x0f5c, 0x013d, 0x02f7, 0x12e3, 0x0bc5, 0x1b56, 0x0848, 0x0239,
0x0fcf, 0x03a4, 0x092d, 0x1354, 0x1d83, 0x01bd, 0x071a, 0x0af1,
0x0875, 0x0793, 0x1b41, 0x1782, 0x0def, 0x1d20, 0x13be, 0x0095,
0x1650, 0x19d4, 0x0de3, 0x0980, 0x18f2, 0x0ca3, 0x0098, 0x149a,
0x0b81, 0x0ad2, 0x1bba, 0x1a02, 0x027b, 0x1906, 0x07f5, 0x1cae,
0x0c3f, 0x02f6, 0x1298, 0x175e, 0x15b2, 0x13d8, 0x14cc, 0x161a,
0x0a42, 0x15f3, 0x0870, 0x1c1d, 0x1203, 0x18b1, 0x1738, 0x1954,
0x1143, 0x1ae8, 0x1d9d, 0x155b, 0x11e8, 0x0ed9, 0x06f7, 0x04ca
};
static uint16_t const p_shuffle_add[ 256 ] =
{
0x0706, 0x175a, 0x0def, 0x1e72, 0x0297, 0x1b0e, 0x1d5a, 0x15b8,
0x13e2, 0x1347, 0x10c6, 0x0b4f, 0x0629, 0x0a75, 0x0a9b, 0x0f55,
0x1a69, 0x09bf, 0x0ba6, 0x1582, 0x1086, 0x1921, 0x01cb, 0x1c6a,
0x0ff5, 0x00f7, 0x0a67, 0x0a1e, 0x1838, 0x0196, 0x10d6, 0x0c7a,
0x180e, 0x038d, 0x1add, 0x0684, 0x154a, 0x0ab0, 0x18a4, 0x0d73,
0x1641, 0x0ec6, 0x09f1, 0x1a62, 0x0414, 0x162a, 0x194e, 0x1ec9,
0x022f, 0x0296, 0x1104, 0x14fc, 0x096c, 0x1d02, 0x09bd, 0x027c,
0x080e, 0x1324, 0x128c, 0x0dc1, 0x00b9, 0x17f2, 0x0cbc, 0x0f97,
0x1b93, 0x1c3c, 0x0415, 0x0395, 0x0c7a, 0x06cc, 0x0d4b, 0x16e2,
0x04a2, 0x0dab, 0x1228, 0x012b, 0x0896, 0x0012, 0x1cd6, 0x1dac,
0x080d, 0x0446, 0x047a, 0x00ad, 0x029e, 0x0686, 0x17c3, 0x1466,
0x0d16, 0x1896, 0x076e, 0x00cd, 0x17dc, 0x1e9f, 0x1a7c, 0x02bb,
0x0d06, 0x112b, 0x14cb, 0x0a03, 0x1541, 0x1290, 0x0f6d, 0x1503,
0x084b, 0x0382, 0x1a3f, 0x0371, 0x1977, 0x0b67, 0x0cad, 0x1df8,
0x1ce3, 0x1306, 0x13f8, 0x1163, 0x1b0b, 0x00bd, 0x0bf0, 0x1a4f,
0x16f7, 0x0b4f, 0x0cf8, 0x1254, 0x0541, 0x100d, 0x0296, 0x0410,
0x1a2b, 0x1169, 0x17d9, 0x0819, 0x03d6, 0x0d03, 0x194d, 0x184a,
0x07ca, 0x1989, 0x0fad, 0x011c, 0x1c71, 0x0ef6, 0x0dc8, 0x0f2f,
0x0fa5, 0x11be, 0x0f3b, 0x1d52, 0x0de2, 0x016e, 0x1ad1, 0x0c4a,
0x1bc2, 0x0ac9, 0x1485, 0x1bee, 0x0949, 0x1a79, 0x1894, 0x12bb,
0x17b6, 0x14f5, 0x16b1, 0x142c, 0x1301, 0x03ef, 0x16ff, 0x0d37,
0x0d78, 0x01ff, 0x00d6, 0x1053, 0x1a2a, 0x0f61, 0x1352, 0x0c7f,
0x137f, 0x09c4, 0x1d96, 0x021d, 0x1037, 0x1b19, 0x10ef, 0x14e4,
0x02a0, 0x0236, 0x0a5d, 0x1519, 0x141c, 0x1399, 0x007e, 0x1e74,
0x0941, 0x1b3c, 0x0062, 0x0371, 0x09ad, 0x08e8, 0x0a24, 0x0b97,
0x1ed2, 0x0889, 0x136b, 0x0006, 0x1c4c, 0x0444, 0x06f8, 0x0dfb,
0x1d0f, 0x198d, 0x0700, 0x0afc, 0x1781, 0x12f3, 0x10da, 0x1f19,
0x1055, 0x0dc9, 0x1860, 0x012b, 0x05bf, 0x082d, 0x0c17, 0x1941,
0x0359, 0x1232, 0x104c, 0x0762, 0x0897, 0x1d6c, 0x030f, 0x1a36,
0x16b0, 0x094d, 0x1782, 0x036f, 0x0eea, 0x06e6, 0x0d00, 0x0187,
0x17e2, 0x05e5, 0x19fa, 0x1950, 0x146a, 0x0b2a, 0x0512, 0x0ee0,
0x1e27, 0x112d, 0x1df0, 0x0b13, 0x0378, 0x1dd0, 0x00c1, 0x01e6
};
modules/demux/mp4/libmp4.c
View file @ 34acedc6
......@@ -32,7 +32,6 @@
#endif
#include "libmp4.h"
#include "drms.h"
#include <math.h>
/*****************************************************************************
......@@ -1671,13 +1670,8 @@ static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
if( p_box->i_type == ATOM_drms )
{
char *home = config_GetUserDir( VLC_HOME_DIR );
if( home != NULL )
{
p_box->data.p_sample_soun->p_drms = drms_alloc( home );
if( p_box->data.p_sample_soun->p_drms == NULL )
msg_Err( p_stream, "drms_alloc() failed" );
}
msg_Warn( p_stream, "DRM protected streams are not supported." );
MP4_READBOX_EXIT( 0 );
}
if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
......@@ -1704,14 +1698,6 @@ static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
{
FREENULL( p_box->data.p_sample_soun->p_qt_description );
if( p_box->i_type == ATOM_drms )
{
if( p_box->data.p_sample_soun->p_drms )
{
drms_free( p_box->data.p_sample_soun->p_drms );
}
}
}
......@@ -1770,13 +1756,8 @@ int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
if( p_box->i_type == ATOM_drmi )
{
char *home = config_GetUserDir( VLC_HOME_DIR );
if( home != NULL )
{
p_box->data.p_sample_vide->p_drms = drms_alloc( home );
if( p_box->data.p_sample_vide->p_drms == NULL )
msg_Err( p_stream, "drms_alloc() failed" );
}
msg_Warn( p_stream, "DRM protected streams are not supported." );
MP4_READBOX_EXIT( 0 );
}
MP4_ReadBoxContainerRaw( p_stream, p_box );
......@@ -1795,14 +1776,6 @@ int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
{
FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
if( p_box->i_type == ATOM_drmi )
{
if( p_box->data.p_sample_vide->p_drms )
{
drms_free( p_box->data.p_sample_vide->p_drms );
}
}
}
static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
......@@ -2593,56 +2566,11 @@ static int MP4_ReadBox_skcr( stream_t *p_stream, MP4_Box_t *p_box )
static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
{
MP4_Box_t *p_drms_box = p_box;
void *p_drms = NULL;
MP4_READBOX_ENTER( uint8_t );
do
{
p_drms_box = p_drms_box->p_father;
} while( p_drms_box && p_drms_box->i_type != ATOM_drms
&& p_drms_box->i_type != ATOM_drmi );
if( p_drms_box && p_drms_box->i_type == ATOM_drms )
p_drms = p_drms_box->data.p_sample_soun->p_drms;
else if( p_drms_box && p_drms_box->i_type == ATOM_drmi )
p_drms = p_drms_box->data.p_sample_vide->p_drms;
if( p_drms_box && p_drms )
{
int i_ret = drms_init( p_drms, p_box->i_type, p_peek, i_read );
if( i_ret )
{
const char *psz_error;
switch( i_ret )
{
case -1: psz_error = "unimplemented"; break;
case -2: psz_error = "invalid argument"; break;
case -3: psz_error = "could not get system key"; break;
case -4: psz_error = "could not get SCI data"; break;
case -5: psz_error = "no user key found in SCI data"; break;
case -6: psz_error = "invalid user key"; break;
default: psz_error = "unknown error"; break;
}
if MP4_BOX_TYPE_ASCII()
msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
(char *)&p_box->i_type, psz_error );
else
msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
(char *)&p_box->i_type+1, psz_error );
drms_free( p_drms );
if( p_drms_box->i_type == ATOM_drms )
p_drms_box->data.p_sample_soun->p_drms = NULL;
else if( p_drms_box->i_type == ATOM_drmi )
p_drms_box->data.p_sample_vide->p_drms = NULL;
}
}
MP4_READBOX_EXIT( 1 );
/* ATOMs 'user', 'key', 'iviv', and 'priv' will be skipped,
* so unless data decrypt itself by magic, there will be no playback,
* but we never know... */
msg_Warn( p_stream, "DRM protected streams are not supported." );
return 1;
}
static int MP4_ReadBox_name( stream_t *p_stream, MP4_Box_t *p_box )
......
modules/demux/mp4/libmp4.h
View file @ 34acedc6
......@@ -487,8 +487,6 @@ typedef struct MP4_Box_data_sample_soun_s
int i_qt_description;
uint8_t *p_qt_description;
void *p_drms;
} MP4_Box_data_sample_soun_t;
typedef struct MP4_Box_data_sample_vide_s
......@@ -521,8 +519,6 @@ typedef struct MP4_Box_data_sample_vide_s
int i_qt_image_description;
uint8_t *p_qt_image_description;
void *p_drms;
} MP4_Box_data_sample_vide_t;
#define MP4_TEXT_DISPLAY_FLAG_DONT_DISPLAY (1<<0)
......
modules/demux/mp4/mp4.c
View file @ 34acedc6
......@@ -37,7 +37,6 @@
#include <vlc_input.h>
#include "libmp4.h"
#include "drms.h"
#include "id3genres.h" /* for ATOM_gnre */
/*****************************************************************************
......@@ -135,8 +134,6 @@ typedef struct
MP4_Box_t *p_stsd; /* will contain all data to initialize decoder */
MP4_Box_t *p_sample;/* point on actual sdsd */
bool b_drms;
void *p_drms;
MP4_Box_t *p_skcr;
} mp4_track_t;
......@@ -684,27 +681,6 @@ static int Demux( demux_t *p_demux )
break;
}
if( tk->b_drms && tk->p_drms )
{
if( tk->p_skcr )
{
uint32_t p_key[4];
drms_get_p_key( tk->p_drms, p_key );
for( size_t i_pos = tk->p_skcr->data.p_skcr->i_init; i_pos < p_block->i_buffer; )
{
int n = __MIN( tk->p_skcr->data.p_skcr->i_encr, p_block->i_buffer - i_pos );
drms_decrypt( tk->p_drms, (uint32_t*)&p_block->p_buffer[i_pos], n, p_key );
i_pos += n;
i_pos += __MIN( tk->p_skcr->data.p_skcr->i_decr, p_block->i_buffer - i_pos );
}
}
else
{
drms_decrypt( tk->p_drms, (uint32_t*)p_block->p_buffer,
p_block->i_buffer, NULL );
}
}
else if( tk->fmt.i_cat == SPU_ES )
{
if( tk->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) &&
......@@ -745,8 +721,7 @@ static int Demux( demux_t *p_demux )
else
p_block->i_pts = VLC_TS_INVALID;
if( !tk->b_drms || ( tk->b_drms && tk->p_drms ) )
es_out_Send( p_demux->out, tk->p_es, p_block );
es_out_Send( p_demux->out, tk->p_es, p_block );
}
/* Next sample */
......@@ -2273,8 +2248,6 @@ static void MP4_TrackCreate( demux_t *p_demux, mp4_track_t *p_track,
MP4_Box_t *p_vmhd;
MP4_Box_t *p_smhd;
MP4_Box_t *p_drms;
unsigned int i;
char language[4];
......@@ -2396,22 +2369,6 @@ static void MP4_TrackCreate( demux_t *p_demux, mp4_track_t *p_track,
return;
}
p_drms = MP4_BoxGet( p_track->p_stsd, "drms" );
p_track->b_drms = p_drms != NULL;
p_track->p_drms = p_track->b_drms ?
p_drms->data.p_sample_soun->p_drms : NULL;
if ( !p_drms )
{
p_drms = MP4_BoxGet( p_track->p_stsd, "drmi" );
p_track->b_drms = p_drms != NULL;
p_track->p_drms = p_track->b_drms ?
p_drms->data.p_sample_vide->p_drms : NULL;
}
if( p_drms )
p_track->p_skcr = MP4_BoxGet( p_drms, "sinf/skcr" );
/* Set language */
if( *language && strcmp( language, "```" ) && strcmp( language, "und" ) )
{
......
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