ref: cae41322be6cba155c5344922f671d8784e5fb21
parent: faa53495f9a92232ccf8bf7631c8e05b0882b5cc
author: menno <menno>
date: Sat Jan 10 13:55:24 EST 2004
MP4 file parser now includes Apple DRM decoding THIS ONLY ALLOWS PLAYBACK OF FILES WITH A VALID SYSTEM KEY!!!!!
--- /dev/null
+++ b/common/mp4ff/drms.c
@@ -1,0 +1,1033 @@
+/*****************************************************************************
+ * drms.c : DRMS
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id: drms.c,v 1.1 2004/01/10 18:55:24 menno Exp $
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+#include <stdlib.h> /* malloc(), free() */
+
+/* #include <vlc/vlc.h> */
+#include "mp4ffint.h"
+
+#ifdef ITUNES_DRM
+
+#ifdef _WIN32
+#include <tchar.h>
+#include <shlobj.h>
+#include <windows.h>
+#endif
+
+#include "drms.h"
+#include "drmstables.h"
+
+static __inline uint32_t U32_AT( void * _p )
+{+ uint8_t * p = (uint8_t *)_p;
+ return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
+ | ((uint32_t)p[2] << 8) | p[3] );
+}
+
+#define TAOS_INIT( tmp, i ) \
+ memset( tmp, 0, sizeof(tmp) ); \
+ tmp[ i + 0 ] = 0x67452301; \
+ tmp[ i + 1 ] = 0xEFCDAB89; \
+ tmp[ i + 2 ] = 0x98BADCFE; \
+ tmp[ i + 3 ] = 0x10325476;
+
+#define ROR( x, n ) (((x) << (32-(n))) | ((x) >> (n)))
+
+static void init_ctx( uint32_t *p_ctx, uint32_t *p_input )
+{+ uint32_t i;
+ uint32_t p_tmp[ 6 ];
+
+ p_ctx[ 0 ] = sizeof(*p_input);
+
+ memset( &p_ctx[ 1 + 4 ], 0, sizeof(*p_input) * 4 );
+ memcpy( &p_ctx[ 1 + 0 ], p_input, sizeof(*p_input) * 4 );
+
+ p_tmp[ 0 ] = p_ctx[ 1 + 3 ];
+
+ for( i = 0; i < sizeof(p_drms_tab1)/sizeof(p_drms_tab1[ 0 ]); i++ )
+ {+ p_tmp[ 0 ] = ROR( p_tmp[ 0 ], 8 );
+
+ p_tmp[ 5 ] = p_drms_tab2[ (p_tmp[ 0 ] >> 24) & 0xFF ]
+ ^ ROR( p_drms_tab2[ (p_tmp[ 0 ] >> 16) & 0xFF ], 8 )
+ ^ ROR( p_drms_tab2[ (p_tmp[ 0 ] >> 8) & 0xFF ], 16 )
+ ^ ROR( p_drms_tab2[ p_tmp[ 0 ] & 0xFF ], 24 )
+ ^ p_drms_tab1[ i ]
+ ^ p_ctx[ 1 + ((i + 1) * 4) - 4 ];
+
+ p_ctx[ 1 + ((i + 1) * 4) + 0 ] = p_tmp[ 5 ];
+ p_tmp[ 5 ] ^= p_ctx[ 1 + ((i + 1) * 4) - 3 ];
+ p_ctx[ 1 + ((i + 1) * 4) + 1 ] = p_tmp[ 5 ];
+ p_tmp[ 5 ] ^= p_ctx[ 1 + ((i + 1) * 4) - 2 ];
+ p_ctx[ 1 + ((i + 1) * 4) + 2 ] = p_tmp[ 5 ];
+ p_tmp[ 5 ] ^= p_ctx[ 1 + ((i + 1) * 4) - 1 ];
+ p_ctx[ 1 + ((i + 1) * 4) + 3 ] = p_tmp[ 5 ];
+
+ p_tmp[ 0 ] = p_tmp[ 5 ];
+ }
+
+ memcpy( &p_ctx[ 1 + 64 ], &p_ctx[ 1 ], sizeof(*p_ctx) * 4 );
+
+ for( i = 4; i < sizeof(p_drms_tab1); i++ )
+ {+ p_tmp[ 2 ] = p_ctx[ 1 + 4 + (i - 4) ];
+
+ p_tmp[ 0 ] = (((p_tmp[ 2 ] >> 7) & 0x01010101) * 27)
+ ^ ((p_tmp[ 2 ] & 0xFF7F7F7F) << 1);
+ p_tmp[ 1 ] = (((p_tmp[ 0 ] >> 7) & 0x01010101) * 27)
+ ^ ((p_tmp[ 0 ] & 0xFF7F7F7F) << 1);
+ p_tmp[ 4 ] = (((p_tmp[ 1 ] >> 7) & 0x01010101) * 27)
+ ^ ((p_tmp[ 1 ] & 0xFF7F7F7F) << 1);
+
+ p_tmp[ 2 ] ^= p_tmp[ 4 ];
+
+ p_tmp[ 3 ] = ROR( p_tmp[ 1 ] ^ p_tmp[ 2 ], 16 )
+ ^ ROR( p_tmp[ 0 ] ^ p_tmp[ 2 ], 8 )
+ ^ ROR( p_tmp[ 2 ], 24 );
+
+ p_ctx[ 1 + 4 + 64 + (i - 4) ] = p_tmp[ 3 ] ^ p_tmp[ 4 ]
+ ^ p_tmp[ 1 ] ^ p_tmp[ 0 ];
+ }
+}
+
+static void ctx_xor( uint32_t *p_ctx, uint32_t *p_in, uint32_t *p_out,
+ uint32_t p_table1[ 256 ], uint32_t p_table2[ 256 ] )
+{+ uint32_t i, x, y;
+ uint32_t p_tmp1[ 4 ];
+ uint32_t p_tmp2[ 4 ];
+
+ i = p_ctx[ 0 ] * 4;
+
+ p_tmp1[ 0 ] = p_ctx[ 1 + i + 24 ] ^ p_in[ 0 ];
+ p_tmp1[ 1 ] = p_ctx[ 1 + i + 25 ] ^ p_in[ 1 ];
+ p_tmp1[ 2 ] = p_ctx[ 1 + i + 26 ] ^ p_in[ 2 ];
+ p_tmp1[ 3 ] = p_ctx[ 1 + i + 27 ] ^ p_in[ 3 ];
+
+ i += 84;
+
+#define XOR_ROR( p_table, p_tmp, i_ctx ) \
+ p_table[ (p_tmp[ y > 2 ? y - 3 : y + 1 ] >> 24) & 0xFF ] \
+ ^ ROR( p_table[ (p_tmp[ y > 1 ? y - 2 : y + 2 ] >> 16) & 0xFF ], 8 ) \
+ ^ ROR( p_table[ (p_tmp[ y > 0 ? y - 1 : y + 3 ] >> 8) & 0xFF ], 16 ) \
+ ^ ROR( p_table[ p_tmp[ y ] & 0xFF ], 24 ) \
+ ^ p_ctx[ i_ctx ]
+
+ for( x = 0; x < 1; x++ )
+ {+ memcpy( p_tmp2, p_tmp1, sizeof(p_tmp1) );
+
+ for( y = 0; y < 4; y++ )
+ {+ p_tmp1[ y ] = XOR_ROR( p_table1, p_tmp2, 1 + i - x + y );
+ }
+ }
+
+ for( ; x < 9; x++ )
+ {+ memcpy( p_tmp2, p_tmp1, sizeof(p_tmp1) );
+
+ for( y = 0; y < 4; y++ )
+ {+ p_tmp1[ y ] = XOR_ROR( p_table1, p_tmp2,
+ 1 + i - x - ((x * 3) - y) );
+ }
+ }
+
+ for( y = 0; y < 4; y++ )
+ {+ p_out[ y ] = XOR_ROR( p_table2, p_tmp1,
+ 1 + i - x - ((x * 3) - y) );
+ }
+
+#undef XOR_ROR
+}
+
+static void taos( uint32_t *p_buffer, uint32_t *p_input )
+{+ uint32_t i;
+ uint32_t x = 0;
+ uint32_t p_tmp1[ 4 ];
+ uint32_t p_tmp2[ 4 ];
+
+ memcpy( p_tmp1, p_buffer, sizeof(p_tmp1) );
+
+ p_tmp2[ 0 ] = ((~p_tmp1[ 1 ] & p_tmp1[ 3 ])
+ | (p_tmp1[ 2 ] & p_tmp1[ 1 ])) + p_input[ x ];
+ p_tmp1[ 0 ] = p_tmp2[ 0 ] + p_tmp1[ 0 ] + p_drms_tab_taos[ x++ ];
+
+ for( i = 0; i < 4; i++ )
+ {+ p_tmp2[ 0 ] = ((p_tmp1[ 0 ] >> 0x19)
+ | (p_tmp1[ 0 ] << 0x7)) + p_tmp1[ 1 ];
+ p_tmp2[ 1 ] = ((~p_tmp2[ 0 ] & p_tmp1[ 2 ])
+ | (p_tmp1[ 1 ] & p_tmp2[ 0 ])) + p_input[ x ];
+ p_tmp2[ 1 ] += p_tmp1[ 3 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 3 ] = ((p_tmp2[ 1 ] >> 0x14)
+ | (p_tmp2[ 1 ] << 0xC)) + p_tmp2[ 0 ];
+ p_tmp2[ 1 ] = ((~p_tmp1[ 3 ] & p_tmp1[ 1 ])
+ | (p_tmp1[ 3 ] & p_tmp2[ 0 ])) + p_input[ x ];
+ p_tmp2[ 1 ] += p_tmp1[ 2 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 2 ] = ((p_tmp2[ 1 ] >> 0xF)
+ | (p_tmp2[ 1 ] << 0x11)) + p_tmp1[ 3 ];
+ p_tmp2[ 1 ] = ((~p_tmp1[ 2 ] & p_tmp2[ 0 ])
+ | (p_tmp1[ 3 ] & p_tmp1[ 2 ])) + p_input[ x ];
+ p_tmp2[ 2 ] = p_tmp2[ 1 ] + p_tmp1[ 1 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 1 ] = ((p_tmp2[ 2 ] << 0x16)
+ | (p_tmp2[ 2 ] >> 0xA)) + p_tmp1[ 2 ];
+ if( i == 3 )
+ {+ p_tmp2[ 1 ] = ((~p_tmp1[ 3 ] & p_tmp1[ 2 ])
+ | (p_tmp1[ 3 ] & p_tmp1[ 1 ])) + p_input[ 1 ];
+ }
+ else
+ {+ p_tmp2[ 1 ] = ((~p_tmp1[ 1 ] & p_tmp1[ 3 ])
+ | (p_tmp1[ 2 ] & p_tmp1[ 1 ])) + p_input[ x ];
+ }
+ p_tmp1[ 0 ] = p_tmp2[ 0 ] + p_tmp2[ 1 ] + p_drms_tab_taos[ x++ ];
+ }
+
+ for( i = 0; i < 4; i++ )
+ {+ uint8_t p_table[ 4 ][ 4 ] =
+ {+ { 6, 11, 0, 5 },+ { 10, 15, 4, 9 },+ { 14, 3, 8, 13 },+ { 2, 7, 12, 5 }+ };
+
+ p_tmp2[ 0 ] = ((p_tmp1[ 0 ] >> 0x1B)
+ | (p_tmp1[ 0 ] << 0x5)) + p_tmp1[ 1 ];
+ p_tmp2[ 1 ] = ((~p_tmp1[ 2 ] & p_tmp1[ 1 ])
+ | (p_tmp1[ 2 ] & p_tmp2[ 0 ]))
+ + p_input[ p_table[ i ][ 0 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 3 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 3 ] = ((p_tmp2[ 1 ] >> 0x17)
+ | (p_tmp2[ 1 ] << 0x9)) + p_tmp2[ 0 ];
+ p_tmp2[ 1 ] = ((~p_tmp1[ 1 ] & p_tmp2[ 0 ])
+ | (p_tmp1[ 3 ] & p_tmp1[ 1 ]))
+ + p_input[ p_table[ i ][ 1 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 2 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 2 ] = ((p_tmp2[ 1 ] >> 0x12)
+ | (p_tmp2[ 1 ] << 0xE)) + p_tmp1[ 3 ];
+ p_tmp2[ 1 ] = ((~p_tmp2[ 0 ] & p_tmp1[ 3 ])
+ | (p_tmp1[ 2 ] & p_tmp2[ 0 ]))
+ + p_input[ p_table[ i ][ 2 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 1 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 1 ] = ((p_tmp2[ 1 ] << 0x14)
+ | (p_tmp2[ 1 ] >> 0xC)) + p_tmp1[ 2 ];
+ if( i == 3 )
+ {+ p_tmp2[ 1 ] = (p_tmp1[ 3 ] ^ p_tmp1[ 2 ] ^ p_tmp1[ 1 ])
+ + p_input[ p_table[ i ][ 3 ] ];
+ }
+ else
+ {+ p_tmp2[ 1 ] = ((~p_tmp1[ 3 ] & p_tmp1[ 2 ])
+ | (p_tmp1[ 3 ] & p_tmp1[ 1 ]))
+ + p_input[ p_table[ i ][ 3 ] ];
+ }
+ p_tmp1[ 0 ] = p_tmp2[ 0 ] + p_tmp2[ 1 ] + p_drms_tab_taos[ x++ ];
+ }
+
+ for( i = 0; i < 4; i++ )
+ {+ uint8_t p_table[ 4 ][ 4 ] =
+ {+ { 8, 11, 14, 1 },+ { 4, 7, 10, 13 },+ { 0, 3, 6, 9 },+ { 12, 15, 2, 0 }+ };
+
+ p_tmp2[ 0 ] = ((p_tmp1[ 0 ] >> 0x1C)
+ | (p_tmp1[ 0 ] << 0x4)) + p_tmp1[ 1 ];
+ p_tmp2[ 1 ] = (p_tmp1[ 2 ] ^ p_tmp1[ 1 ] ^ p_tmp2[ 0 ])
+ + p_input[ p_table[ i ][ 0 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 3 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 3 ] = ((p_tmp2[ 1 ] >> 0x15)
+ | (p_tmp2[ 1 ] << 0xB)) + p_tmp2[ 0 ];
+ p_tmp2[ 1 ] = (p_tmp1[ 3 ] ^ p_tmp1[ 1 ] ^ p_tmp2[ 0 ])
+ + p_input[ p_table[ i ][ 1 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 2 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 2 ] = ((p_tmp2[ 1 ] >> 0x10)
+ | (p_tmp2[ 1 ] << 0x10)) + p_tmp1[ 3 ];
+ p_tmp2[ 1 ] = (p_tmp1[ 3 ] ^ p_tmp1[ 2 ] ^ p_tmp2[ 0 ])
+ + p_input[ p_table[ i ][ 2 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 1 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 1 ] = ((p_tmp2[ 1 ] << 0x17)
+ | (p_tmp2[ 1 ] >> 0x9)) + p_tmp1[ 2 ];
+ if( i == 3 )
+ {+ p_tmp2[ 1 ] = ((~p_tmp1[ 3 ] | p_tmp1[ 1 ]) ^ p_tmp1[ 2 ])
+ + p_input[ p_table[ i ][ 3 ] ];
+ }
+ else
+ {+ p_tmp2[ 1 ] = (p_tmp1[ 3 ] ^ p_tmp1[ 2 ] ^ p_tmp1[ 1 ])
+ + p_input[ p_table[ i ][ 3 ] ];
+ }
+ p_tmp1[ 0 ] = p_tmp2[ 0 ] + p_tmp2[ 1 ] + p_drms_tab_taos[ x++ ];
+ }
+
+ for( i = 0; i < 4; i++ )
+ {+ uint8_t p_table[ 4 ][ 4 ] =
+ {+ { 7, 14, 5, 12 },+ { 3, 10, 1, 8 },+ { 15, 6, 13, 4 },+ { 11, 2, 9, 0 }+ };
+
+ p_tmp2[ 0 ] = ((p_tmp1[ 0 ] >> 0x1A)
+ | (p_tmp1[ 0 ] << 0x6)) + p_tmp1[ 1 ];
+ p_tmp2[ 1 ] = ((~p_tmp1[ 2 ] | p_tmp2[ 0 ]) ^ p_tmp1[ 1 ])
+ + p_input[ p_table[ i ][ 0 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 3 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 3 ] = ((p_tmp2[ 1 ] >> 0x16)
+ | (p_tmp2[ 1 ] << 0xA)) + p_tmp2[ 0 ];
+ p_tmp2[ 1 ] = ((~p_tmp1[ 1 ] | p_tmp1[ 3 ]) ^ p_tmp2[ 0 ])
+ + p_input[ p_table[ i ][ 1 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 2 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 2 ] = ((p_tmp2[ 1 ] >> 0x11)
+ | (p_tmp2[ 1 ] << 0xF)) + p_tmp1[ 3 ];
+ p_tmp2[ 1 ] = ((~p_tmp2[ 0 ] | p_tmp1[ 2 ]) ^ p_tmp1[ 3 ])
+ + p_input[ p_table[ i ][ 2 ] ];
+ p_tmp2[ 1 ] += p_tmp1[ 1 ] + p_drms_tab_taos[ x++ ];
+
+ p_tmp1[ 1 ] = ((p_tmp2[ 1 ] << 0x15)
+ | (p_tmp2[ 1 ] >> 0xB)) + p_tmp1[ 2 ];
+
+ if( i < 3 )
+ {+ p_tmp2[ 1 ] = ((~p_tmp1[ 3 ] | p_tmp1[ 1 ]) ^ p_tmp1[ 2 ])
+ + p_input[ p_table[ i ][ 3 ] ];
+ p_tmp1[ 0 ] = p_tmp2[ 0 ] + p_tmp2[ 1 ] + p_drms_tab_taos[ x++ ];
+ }
+ }
+
+ p_buffer[ 0 ] += p_tmp2[ 0 ];
+ p_buffer[ 1 ] += p_tmp1[ 1 ];
+ p_buffer[ 2 ] += p_tmp1[ 2 ];
+ p_buffer[ 3 ] += p_tmp1[ 3 ];
+}
+
+static void taos_add1( uint32_t *p_buffer,
+ uint8_t *p_in, uint32_t i_len )
+{+ uint32_t i;
+ uint32_t x, y;
+ uint32_t p_tmp[ 16 ];
+ uint32_t i_offset = 0;
+
+ x = p_buffer[ 6 ] & 63;
+ y = 64 - x;
+
+ p_buffer[ 6 ] += i_len;
+
+ if( i_len < y )
+ {+ memcpy( &((uint8_t *)p_buffer)[ 48 + x ], p_in, i_len );
+ }
+ else
+ {+ if( x )
+ {+ memcpy( &((uint8_t *)p_buffer)[ 48 + x ], p_in, y );
+ taos( &p_buffer[ 8 ], &p_buffer[ 12 ] );
+ i_offset = y;
+ i_len -= y;
+ }
+
+ if( i_len >= 64 )
+ {+ for( i = 0; i < i_len / 64; i++ )
+ {+ memcpy( p_tmp, &p_in[ i_offset ], sizeof(p_tmp) );
+ taos( &p_buffer[ 8 ], p_tmp );
+ i_offset += 64;
+ i_len -= 64;
+ }
+ }
+
+ if( i_len )
+ {+ memcpy( &p_buffer[ 12 ], &p_in[ i_offset ], i_len );
+ }
+ }
+}
+
+static void taos_end1( uint32_t *p_buffer, uint32_t *p_out )
+{+ uint32_t x, y;
+
+ x = p_buffer[ 6 ] & 63;
+ y = 63 - x;
+
+ ((uint8_t *)p_buffer)[ 48 + x++ ] = 128;
+
+ if( y < 8 )
+ {+ memset( &((uint8_t *)p_buffer)[ 48 + x ], 0, y );
+ taos( &p_buffer[ 8 ], &p_buffer[ 12 ] );
+ y = 64;
+ x = 0;
+ }
+
+ memset( &((uint8_t *)p_buffer)[ 48 + x ], 0, y );
+
+ p_buffer[ 26 ] = p_buffer[ 6 ] * 8;
+ p_buffer[ 27 ] = p_buffer[ 6 ] >> 29;
+ taos( &p_buffer[ 8 ], &p_buffer[ 12 ] );
+
+ memcpy( p_out, &p_buffer[ 8 ], sizeof(*p_out) * 4 );
+}
+
+static void taos_add2( uint32_t *p_buffer, uint8_t *p_in, uint32_t i_len )
+{+ uint32_t i, x;
+ uint32_t p_tmp[ 16 ];
+
+ x = (p_buffer[ 0 ] / 8) & 63;
+ i = p_buffer[ 0 ] + i_len * 8;
+
+ if( i < p_buffer[ 0 ] )
+ {+ p_buffer[ 1 ] += 1;
+ }
+
+ p_buffer[ 0 ] = i;
+ p_buffer[ 1 ] += i_len >> 29;
+
+ for( i = 0; i < i_len; i++ )
+ {+ ((uint8_t *)p_buffer)[ 24 + x++ ] = p_in[ i ];
+
+ if( x != 64 )
+ continue;
+
+ memcpy( p_tmp, &p_buffer[ 6 ], sizeof(p_tmp) );
+ taos( &p_buffer[ 2 ], p_tmp );
+ }
+}
+
+static void taos_add2e( uint32_t *p_buffer, uint32_t *p_in, uint32_t i_len )
+{+ uint32_t i, x, y;
+ uint32_t p_tmp[ 32 ];
+
+ if( i_len )
+ {+ for( x = i_len; x; x -= y )
+ {+ y = x > 32 ? 32 : x;
+
+ for( i = 0; i < y; i++ )
+ {+ p_tmp[ i ] = U32_AT(&p_in[ i ]);
+ }
+ }
+ }
+
+ taos_add2( p_buffer, (uint8_t *)p_tmp, i_len * sizeof(p_tmp[ 0 ]) );
+}
+
+static void taos_end2( uint32_t *p_buffer )
+{+ uint32_t x;
+ uint32_t p_tmp[ 16 ];
+
+ p_tmp[ 14 ] = p_buffer[ 0 ];
+ p_tmp[ 15 ] = p_buffer[ 1 ];
+
+ x = (p_buffer[ 0 ] / 8) & 63;
+
+ taos_add2( p_buffer, p_drms_tab_tend, 56 - x );
+ memcpy( p_tmp, &p_buffer[ 6 ], 56 );
+ taos( &p_buffer[ 2 ], p_tmp );
+ memcpy( &p_buffer[ 22 ], &p_buffer[ 2 ], sizeof(*p_buffer) * 4 );
+}
+
+static void taos_add3( uint32_t *p_buffer, uint8_t *p_key, uint32_t i_len )
+{+ uint32_t x, y;
+ uint32_t i = 0;
+
+ x = (p_buffer[ 4 ] / 8) & 63;
+ p_buffer[ 4 ] += i_len * 8;
+
+ if( p_buffer[ 4 ] < i_len * 8 )
+ p_buffer[ 5 ] += 1;
+
+ p_buffer[ 5 ] += i_len >> 29;
+
+ y = 64 - x;
+
+ if( i_len >= y )
+ {+ memcpy( &((uint8_t *)p_buffer)[ 24 + x ], p_key, y );
+ taos( p_buffer, &p_buffer[ 6 ] );
+
+ i = y;
+ y += 63;
+
+ if( y < i_len )
+ {+ for( ; y < i_len; y += 64, i += 64 )
+ {+ taos( p_buffer, (uint32_t *)&p_key[y - 63] );
+ }
+ }
+ else
+ {+ x = 0;
+ }
+ }
+
+ memcpy( &((uint8_t *)p_buffer)[ 24 + x ], &p_key[ i ], i_len - i );
+}
+
+static int taos_osi( uint32_t *p_buffer )
+{+ int i_ret = 0;
+
+#ifdef _WIN32
+ HKEY i_key;
+ uint32_t i;
+ DWORD i_size;
+ DWORD i_serial;
+ LPBYTE p_reg_buf;
+
+ static 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")+ }
+ };
+
+ taos_add1( p_buffer, "cache-control", 13 );
+ taos_add1( p_buffer, "Ethernet", 8 );
+
+ GetVolumeInformation( _T("C:\\"), NULL, 0, &i_serial,+ NULL, NULL, NULL, 0 );
+ taos_add1( p_buffer, (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 )
+ {+ if( RegQueryValueEx( i_key, p_reg_keys[ i ][ 1 ],
+ NULL, NULL, NULL,
+ &i_size ) == ERROR_SUCCESS )
+ {+ 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 )
+ {+ taos_add1( p_buffer, (uint8_t *)p_reg_buf,
+ i_size );
+ }
+
+ free( p_reg_buf );
+ }
+ }
+
+ RegCloseKey( i_key );
+ }
+ }
+
+#else
+ i_ret = -1;
+#endif
+
+ return( i_ret );
+}
+
+static int get_sci_data( uint32_t p_sci[ 11 ][ 4 ] )
+{+ int i_ret = -1;
+
+#ifdef _WIN32
+ HANDLE i_file;
+ DWORD i_size, i_read;
+ TCHAR p_path[ MAX_PATH ];
+ TCHAR *p_filename = _T("\\Apple Computer\\iTunes\\SC Info\\SC Info.sidb");+
+#if 1
+ if( SUCCEEDED( SHGetFolderPath( NULL, CSIDL_COMMON_APPDATA,
+ NULL, 0, p_path ) ) )
+#else
+ lstrcpy(p_path,
+ _T("C:\\Documents and Settings\\All Users\\Application Data\\Apple Computer\\iTunes\\SC Info\\SC Info.sidb"));+#endif
+ {+#if 1
+ _tcsncat( p_path, p_filename, min( _tcslen( p_filename ),
+ (MAX_PATH-1) - _tcslen( p_path ) ) );
+#endif
+
+ i_file = CreateFile( p_path, GENERIC_READ, 0, NULL,
+ OPEN_EXISTING, 0, NULL );
+ if( i_file != INVALID_HANDLE_VALUE )
+ {+ i_read = sizeof(p_sci[ 0 ]) * 11;
+ i_size = GetFileSize( i_file, NULL );
+ if( i_size != INVALID_FILE_SIZE && i_size >= i_read )
+ {+ i_size = SetFilePointer( i_file, 4, NULL, FILE_BEGIN );
+ if( i_size != /*INVALID_SET_FILE_POINTER*/ ((DWORD)-1))
+ {+ if( ReadFile( i_file, p_sci, i_read, &i_size, NULL ) &&
+ i_size == i_read )
+ {+ i_ret = 0;
+ }
+ }
+ }
+
+ CloseHandle( i_file );
+ }
+ }
+#endif
+
+ return( i_ret );
+}
+
+static void acei_taxs( uint32_t *p_acei, uint32_t i_val )
+{+ uint32_t i, x;
+
+ i = (i_val / 16) & 15;
+ x = (~(i_val & 15)) & 15;
+
+ if( (i_val & 768) == 768 )
+ {+ x = (~i) & 15;
+ i = i_val & 15;
+
+ p_acei[ 25 + i ] = p_acei[ 25 + ((16 - x) & 15) ]
+ + p_acei[ 25 + (15 - x) ];
+ }
+ else if( (i_val & 512) == 512 )
+ {+ p_acei[ 25 + i ] ^= p_drms_tab_xor[ 15 - i ][ x ];
+ }
+ else if( (i_val & 256) == 256 )
+ {+ p_acei[ 25 + i ] -= p_drms_tab_sub[ 15 - i ][ x ];
+ }
+ else
+ {+ p_acei[ 25 + i ] += p_drms_tab_add[ 15 - i ][ x ];
+ }
+}
+
+static void acei( uint32_t *p_acei, uint8_t *p_buffer, uint32_t i_len )
+{+ uint32_t i, x;
+ uint32_t p_tmp[ 26 ];
+
+ for( i = 5; i < 25; i++ )
+ {+ if( p_acei[ i ] )
+ {+ acei_taxs( p_acei, p_acei[ i ] );
+ }
+ }
+
+ TAOS_INIT( p_tmp, 2 );
+ taos_add2e( p_tmp, &p_acei[ 25 ], sizeof(*p_acei) * 4 );
+ taos_end2( p_tmp );
+
+ x = i_len < 16 ? i_len : 16;
+
+ if( x > 0 )
+ {+ for( i = 0; i < x; i++ )
+ {+ p_buffer[ i ] ^= ((uint8_t *)&p_tmp)[ 88 + i ];
+ }
+ }
+}
+
+static uint32_t ttov_calc( uint32_t *p_acei )
+{+ int32_t i_val;
+ uint32_t p_tmp[ 26 ];
+
+ TAOS_INIT( p_tmp, 2 );
+ taos_add2e( p_tmp, &p_acei[ 0 ], 4 );
+ taos_add2e( p_tmp, &p_acei[ 4 ], 1 );
+ taos_end2( p_tmp );
+
+ p_acei[ 4 ]++;
+
+ i_val = ((int32_t)U32_AT(&p_tmp[ 22 ])) % 1024;
+
+ return( i_val < 0 ? i_val * -1 : i_val );
+}
+
+static void acei_init( uint32_t *p_acei, uint32_t *p_sys_key )
+{+ uint32_t i;
+
+ for( i = 0; i < 4; i++ )
+ {+ p_acei[ i ] = U32_AT(&p_sys_key[ i ]);
+ }
+
+ p_acei[ 4 ] = 0x5476212A;
+
+ for( i = 5; i < 25; i++ )
+ {+ p_acei[ i ] = ttov_calc( p_acei );
+ }
+
+ p_acei[ 25 + 0 ] = p_acei[ 0 ];
+ p_acei[ 25 + 1 ] = 0x68723876;
+ p_acei[ 25 + 2 ] = 0x41617376;
+ p_acei[ 25 + 3 ] = 0x4D4B4F76;
+
+ p_acei[ 25 + 4 ] = p_acei[ 1 ];
+ p_acei[ 25 + 5 ] = 0x48556646;
+ p_acei[ 25 + 6 ] = 0x38393725;
+ p_acei[ 25 + 7 ] = 0x2E3B5B3D;
+
+ p_acei[ 25 + 8 ] = p_acei[ 2 ];
+ p_acei[ 25 + 9 ] = 0x37363866;
+ p_acei[ 25 + 10 ] = 0x30383637;
+ p_acei[ 25 + 11 ] = 0x34333661;
+
+ p_acei[ 25 + 12 ] = p_acei[ 3 ];
+ p_acei[ 25 + 13 ] = 0x37386162;
+ p_acei[ 25 + 14 ] = 0x494F6E66;
+ p_acei[ 25 + 15 ] = 0x2A282966;
+}
+
+static __inline void block_xor( uint32_t *p_in, uint32_t *p_key,
+ uint32_t *p_out )
+{+ uint32_t i;
+
+ for( i = 0; i < 4; i++ )
+ {+ p_out[ i ] = p_key[ i ] ^ p_in[ i ];
+ }
+}
+
+int drms_get_sys_key( uint32_t *p_sys_key )
+{+ uint32_t p_tmp[ 128 ];
+ uint32_t p_tmp_key[ 4 ];
+
+ TAOS_INIT( p_tmp, 8 );
+ if( taos_osi( p_tmp ) )
+ {+ return( -1 );
+ }
+ taos_end1( p_tmp, p_tmp_key );
+
+ TAOS_INIT( p_tmp, 2 );
+ taos_add2( p_tmp, "YuaFlafu", 8 );
+ taos_add2( p_tmp, (uint8_t *)p_tmp_key, 6 );
+ taos_add2( p_tmp, (uint8_t *)p_tmp_key, 6 );
+ taos_add2( p_tmp, (uint8_t *)p_tmp_key, 6 );
+ taos_add2( p_tmp, "zPif98ga", 8 );
+ taos_end2( p_tmp );
+
+ memcpy( p_sys_key, &p_tmp[ 2 ], sizeof(*p_sys_key) * 4 );
+
+ return( 0 );
+}
+
+int drms_get_user_key( uint32_t *p_sys_key, uint32_t *p_user_key )
+{+ uint32_t i;
+ uint32_t p_tmp[ 4 ];
+ uint32_t *p_cur_key;
+ uint32_t p_acei[ 41 ];
+ uint32_t p_ctx[ 128 ];
+ uint32_t p_sci[ 2 ][ 11 ][ 4 ];
+
+ uint32_t p_sci_key[ 4 ] =
+ {+ 0x6E66556D, 0x6E676F70, 0x67666461, 0x33373866
+ };
+
+ if( p_sys_key == NULL )
+ {+ if( drms_get_sys_key( p_tmp ) )
+ {+ return( -1 );
+ }
+
+ p_sys_key = p_tmp;
+ }
+
+ if( get_sci_data( p_sci[ 0 ] ) )
+ {+ return( -1 );
+ }
+
+ init_ctx( p_ctx, p_sys_key );
+
+ for( i = 0, p_cur_key = p_sci_key;
+ i < sizeof(p_sci[ 0 ])/sizeof(p_sci[ 0 ][ 0 ]); i++ )
+ {+ ctx_xor( p_ctx, &p_sci[ 0 ][ i ][ 0 ], &p_sci[ 1 ][ i ][ 0 ],
+ p_drms_tab3, p_drms_tab4 );
+ block_xor( &p_sci[ 1 ][ i ][ 0 ], p_cur_key, &p_sci[ 1 ][ i ][ 0 ] );
+
+ p_cur_key = &p_sci[ 0 ][ i ][ 0 ];
+ }
+
+ acei_init( p_acei, p_sys_key );
+
+ for( i = 0; i < sizeof(p_sci[ 1 ])/sizeof(p_sci[ 1 ][ 0 ]); i++ )
+ {+ acei( p_acei, (uint8_t *)&p_sci[ 1 ][ i ][ 0 ],
+ sizeof(p_sci[ 1 ][ i ]) );
+ }
+
+ memcpy( p_user_key, &p_sci[ 1 ][ 10 ][ 0 ], sizeof(p_sci[ 1 ][ i ]) );
+
+ return( 0 );
+}
+
+struct drms_s
+{+ uint8_t *p_iviv;
+ uint32_t i_iviv_len;
+ uint8_t *p_name;
+ uint32_t i_name_len;
+
+ uint32_t *p_tmp;
+ uint32_t i_tmp_len;
+
+ uint32_t p_key[ 4 ];
+ uint32_t p_ctx[ 128 ];
+};
+
+#define P_DRMS ((struct drms_s *)p_drms)
+
+void *drms_alloc()
+{+ struct drms_s *p_drms;
+
+ p_drms = malloc( sizeof(struct drms_s) );
+
+ if( p_drms != NULL )
+ {+ memset( p_drms, 0, sizeof(struct drms_s) );
+
+ p_drms->i_tmp_len = 1024;
+ p_drms->p_tmp = malloc( p_drms->i_tmp_len );
+ if( p_drms->p_tmp == NULL )
+ {+ free( (void *)p_drms );
+ p_drms = NULL;
+ }
+ }
+
+ return( (void *)p_drms );
+}
+
+void drms_free( void *p_drms )
+{+ if( P_DRMS->p_name != NULL )
+ {+ free( (void *)P_DRMS->p_name );
+ }
+
+ if( P_DRMS->p_iviv != NULL )
+ {+ free( (void *)P_DRMS->p_iviv );
+ }
+
+ if( P_DRMS->p_tmp != NULL )
+ {+ free( (void *)P_DRMS->p_tmp );
+ }
+
+ free( p_drms );
+}
+
+void drms_decrypt( void *p_drms, uint32_t *p_buffer, uint32_t i_len )
+{+ uint32_t i, x, y;
+ uint32_t *p_cur_key = P_DRMS->p_key;
+
+ x = (i_len / sizeof(P_DRMS->p_key)) * sizeof(P_DRMS->p_key);
+
+ if( P_DRMS->i_tmp_len < x )
+ {+ free( (void *)P_DRMS->p_tmp );
+
+ P_DRMS->i_tmp_len = x;
+ P_DRMS->p_tmp = malloc( P_DRMS->i_tmp_len );
+ }
+
+ if( P_DRMS->p_tmp != NULL )
+ {+ memcpy( P_DRMS->p_tmp, p_buffer, x );
+
+ for( i = 0, x /= sizeof(P_DRMS->p_key); i < x; i++ )
+ {+ y = i * sizeof(*p_buffer);
+
+ ctx_xor( P_DRMS->p_ctx, P_DRMS->p_tmp + y, p_buffer + y,
+ p_drms_tab3, p_drms_tab4 );
+ block_xor( p_buffer + y, p_cur_key, p_buffer + y );
+
+ p_cur_key = P_DRMS->p_tmp + y;
+ }
+ }
+}
+
+int drms_init( void *p_drms, uint32_t i_type,
+ uint8_t *p_info, uint32_t i_len )
+{+ int i_ret = 0;
+
+ switch( i_type )
+ {+ case DRMS_INIT_UKEY:
+ {+ if( i_len != sizeof(P_DRMS->p_key) )
+ {+ i_ret = -1;
+ break;
+ }
+
+ init_ctx( P_DRMS->p_ctx, (uint32_t *)p_info );
+ }
+ break;
+
+ case DRMS_INIT_IVIV:
+ {+ if( i_len != sizeof(P_DRMS->p_key) )
+ {+ i_ret = -1;
+ break;
+ }
+
+ P_DRMS->p_iviv = malloc( i_len );
+ if( P_DRMS->p_iviv == NULL )
+ {+ i_ret = -1;
+ break;
+ }
+
+ memcpy( P_DRMS->p_iviv, p_info, i_len );
+ P_DRMS->i_iviv_len = i_len;
+ }
+ break;
+
+ case DRMS_INIT_NAME:
+ {+ P_DRMS->p_name = malloc( i_len );
+ if( P_DRMS->p_name == NULL )
+ {+ i_ret = -1;
+ break;
+ }
+
+ memcpy( P_DRMS->p_name, p_info, i_len );
+ P_DRMS->i_name_len = i_len;
+ }
+ break;
+
+ case DRMS_INIT_PRIV:
+ {+ uint32_t i;
+ uint32_t p_priv[ 64 ];
+ uint32_t p_tmp[ 128 ];
+
+ if( i_len < 64 )
+ {+ i_ret = -1;
+ break;
+ }
+
+ TAOS_INIT( p_tmp, 0 );
+ taos_add3( p_tmp, P_DRMS->p_name, P_DRMS->i_name_len );
+ taos_add3( p_tmp, P_DRMS->p_iviv, P_DRMS->i_iviv_len );
+ memcpy( p_priv, &p_tmp[ 4 ], sizeof(p_priv[ 0 ]) * 2 );
+ i = (p_tmp[ 4 ] / 8) & 63;
+ i = i >= 56 ? 120 - i : 56 - i;
+ taos_add3( p_tmp, p_drms_tab_tend, i );
+ taos_add3( p_tmp, (uint8_t *)p_priv, sizeof(p_priv[ 0 ]) * 2 );
+
+ memcpy( p_priv, p_info, 64 );
+ memcpy( P_DRMS->p_key, p_tmp, sizeof(P_DRMS->p_key) );
+ drms_decrypt( p_drms, p_priv, sizeof(p_priv) );
+
+ init_ctx( P_DRMS->p_ctx, &p_priv[ 6 ] );
+ memcpy( P_DRMS->p_key, &p_priv[ 12 ], sizeof(P_DRMS->p_key) );
+
+ free( (void *)P_DRMS->p_name );
+ P_DRMS->p_name = NULL;
+ free( (void *)P_DRMS->p_iviv );
+ P_DRMS->p_iviv = NULL;
+ }
+ break;
+ }
+
+ return( i_ret );
+}
+
+#undef P_DRMS
+
+#endif
+
--- /dev/null
+++ b/common/mp4ff/drms.h
@@ -1,0 +1,39 @@
+/*****************************************************************************
+ * drms.h : DRMS
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id: drms.h,v 1.1 2004/01/10 18:55:24 menno Exp $
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+#define DRMS_INIT_UKEY 0
+#define DRMS_INIT_IVIV 1
+#define DRMS_INIT_NAME 2
+#define DRMS_INIT_PRIV 3
+
+extern int drms_get_sys_key( uint32_t *p_sys_key );
+extern int drms_get_user_key( uint32_t *p_sys_key,
+ uint32_t *p_user_key );
+
+extern void *drms_alloc();
+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 );
+
--- /dev/null
+++ b/common/mp4ff/drmstables.h
@@ -1,0 +1,448 @@
+/*****************************************************************************
+ * drmstables.h : DRMS tables
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id: drmstables.h,v 1.1 2004/01/10 18:55:24 menno Exp $
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+static uint32_t p_drms_tab1[ 10 ] =
+{+ 0x00000001, 0x00000002, 0x00000004, 0x00000008, 0x00000010, 0x00000020,
+ 0x00000040, 0x00000080, 0x0000001B, 0x00000036
+};
+
+static uint32_t p_drms_tab2[ 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 p_drms_tab3[ 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 p_drms_tab4[ 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
+};
+
+static int32_t p_drms_tab_taos[ 64 ] =
+{+ -0x28955B88, -0x173848AA, +0x242070DB, -0x3E423112, -0x0A83F051,
+ +0x4787C62A, -0x57CFB9ED, -0x02B96AFF, +0x698098D8, -0x74BB0851,
+ -0x0000A44F, -0x76A32842, +0x6B901122, -0x02678E6D, -0x5986BC72,
+ +0x49B40821, -0x09E1DA9E, -0x3FBF4CC0, +0x265E5A51, -0x16493856,
+ -0x29D0EFA3, +0x02441453, -0x275E197F, -0x182C0438, +0x21E1CDE6,
+ -0x3CC8F82A, -0x0B2AF279, +0x455A14ED, -0x561C16FB, -0x03105C08,
+ +0x676F02D9, -0x72D5B376, -0x0005C6BE, -0x788E097F, +0x6D9D6122,
+ -0x021AC7F4, -0x5B4115BC, +0x4BDECFA9, -0x0944B4A0, -0x41404390,
+ +0x289B7EC6, -0x155ED806, -0x2B10CF7B, +0x04881D05, -0x262B2FC7,
+ -0x1924661B, +0x1FA27CF8, -0x3B53A99B, -0x0BD6DDBC, +0x432AFF97,
+ -0x546BDC59, -0x036C5FC7, +0x655B59C3, -0x70F3336E, -0x00100B83,
+ -0x7A7BA22F, +0x6FA87E4F, -0x01D31920, -0x5CFEBCEC, +0x4E0811A1,
+ -0x08AC817E, -0x42C50DCB, +0x2AD7D2BB, -0x14792C6F
+};
+
+static uint8_t p_drms_tab_tend[ 64 ] =
+{+ 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+static uint16_t p_drms_tab_xor[ 16 ][ 16 ] =
+{+ {+ 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 p_drms_tab_sub[ 16 ][ 16 ] =
+{+ {+ 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 p_drms_tab_add[ 16 ][ 16 ] =
+{+ {+ 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
+ }
+};
+
--- a/common/mp4ff/mp4atom.c
+++ b/common/mp4ff/mp4atom.c
@@ -22,12 +22,13 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: mp4atom.c,v 1.14 2004/01/06 11:59:47 menno Exp $
+** $Id: mp4atom.c,v 1.15 2004/01/10 18:55:24 menno Exp $
**/
#include <stdlib.h>
#include "mp4ffint.h"
+#include "drms.h"
/* parse atom header size */
static int32_t mp4ff_atom_get_size(const int8_t *data)
@@ -111,6 +112,10 @@
return ATOM_STZ2;
else if (mp4ff_atom_compare(a,b,c,d, 's','k','i','p'))
return ATOM_SKIP;
+ else if (mp4ff_atom_compare(a,b,c,d, 's','i','n','f'))
+ return ATOM_SINF;
+ else if (mp4ff_atom_compare(a,b,c,d, 's','c','h','i'))
+ return ATOM_SCHI;
} else if (a == '�') {if (mp4ff_atom_compare(a,b,c,d, '�','n','a','m'))
return ATOM_TITLE;
@@ -160,6 +165,14 @@
return ATOM_COMPILATION;
else if (mp4ff_atom_compare(a,b,c,d, 'c','t','t','s'))
return ATOM_CTTS;
+ else if (mp4ff_atom_compare(a,b,c,d, 'd','r','m','s'))
+ return ATOM_DRMS;
+ else if (mp4ff_atom_compare(a,b,c,d, 'f','r','m','a'))
+ return ATOM_FRMA;
+ else if (mp4ff_atom_compare(a,b,c,d, 'p','r','i','v'))
+ return ATOM_PRIV;
+ else if (mp4ff_atom_compare(a,b,c,d, 'i','v','i','v'))
+ return ATOM_IVIV;
else
return ATOM_UNKNOWN;
}
@@ -311,6 +324,134 @@
return 0;
}
+#ifdef ITUNES_DRM
+static int32_t mp4ff_read_drms(mp4ff_t *f, uint64_t skip)
+{+ uint64_t size;
+ int32_t i;
+ uint8_t atom_type = 0;
+ uint8_t header_size = 0;
+ uint32_t drms_user_key[4];
+
+ if (drms_get_user_key(NULL, drms_user_key) == 0)
+ {+ f->track[f->total_tracks - 1]->p_drms = drms_alloc();
+
+ drms_init( f->track[f->total_tracks - 1]->p_drms,
+ DRMS_INIT_UKEY, (uint8_t *)drms_user_key,
+ sizeof(drms_user_key) );
+ }
+
+ for (i = 0; i < 6; i++)
+ {+ mp4ff_read_char(f); /* reserved */
+ }
+ /* data_reference_index */ mp4ff_read_int16(f);
+
+ mp4ff_read_int32(f); /* reserved */
+ mp4ff_read_int32(f); /* reserved */
+
+ f->track[f->total_tracks - 1]->channelCount = mp4ff_read_int16(f);
+ f->track[f->total_tracks - 1]->sampleSize = mp4ff_read_int16(f);
+
+ mp4ff_read_int16(f);
+ mp4ff_read_int16(f);
+
+ f->track[f->total_tracks - 1]->sampleRate = mp4ff_read_int16(f);
+
+ mp4ff_read_int16(f);
+
+ size = mp4ff_atom_read_header(f, &atom_type, &header_size);
+ if (atom_type == ATOM_ESDS)
+ {+ mp4ff_read_esds(f);
+ }
+ mp4ff_set_position(f, skip+size+28);
+
+ size = mp4ff_atom_read_header(f, &atom_type, &header_size);
+ if (atom_type == ATOM_SINF)
+ {+ parse_sub_atoms(f, size-header_size);
+ }
+
+ return 0;
+}
+
+static int32_t mp4ff_read_frma(mp4ff_t *f)
+{+ uint8_t atom_type;
+ int8_t type[4];
+
+ mp4ff_read_data(f, type, 4);
+
+ atom_type = mp4ff_atom_name_to_type(type[0], type[1], type[2], type[3]);
+
+ if (atom_type == ATOM_MP4A)
+ {+ f->track[f->total_tracks - 1]->type = TRACK_AUDIO;
+ } else if (atom_type == ATOM_MP4V) {+ f->track[f->total_tracks - 1]->type = TRACK_VIDEO;
+ } else if (atom_type == ATOM_MP4S) {+ f->track[f->total_tracks - 1]->type = TRACK_SYSTEM;
+ } else {+ f->track[f->total_tracks - 1]->type = TRACK_UNKNOWN;
+ }
+
+ return 0;
+}
+
+static int32_t mp4ff_read_name(mp4ff_t *f, uint64_t size)
+{+ uint8_t *data = malloc(size);
+ mp4ff_read_data(f, data, size);
+
+ if (f->track[f->total_tracks - 1]->p_drms != NULL)
+ {+ drms_init(f->track[f->total_tracks - 1]->p_drms,
+ DRMS_INIT_NAME, data, strlen(data) );
+ }
+
+ if (data)
+ free(data);
+
+ return 0;
+}
+
+static int32_t mp4ff_read_priv(mp4ff_t *f, uint64_t size)
+{+ uint8_t *data = malloc(size);
+ mp4ff_read_data(f, data, size);
+
+ if (f->track[f->total_tracks - 1]->p_drms != 0)
+ {+ drms_init(f->track[f->total_tracks - 1]->p_drms,
+ DRMS_INIT_PRIV, data, size );
+ }
+
+ if (data)
+ free(data);
+
+ return 0;
+}
+
+static int32_t mp4ff_read_iviv(mp4ff_t *f, uint64_t size)
+{+ uint8_t *data = malloc(size);
+ mp4ff_read_data(f, data, size);
+
+ if (f->track[f->total_tracks - 1]->p_drms != 0)
+ {+ drms_init(f->track[f->total_tracks - 1]->p_drms,
+ DRMS_INIT_IVIV, data, sizeof(uint32_t) * 4 );
+ }
+
+ if (data)
+ free(data);
+
+ return 0;
+}
+#endif
+
static int32_t mp4ff_read_stsd(mp4ff_t *f)
{int32_t i;
@@ -337,6 +478,12 @@
f->track[f->total_tracks - 1]->type = TRACK_VIDEO;
} else if (atom_type == ATOM_MP4S) {f->track[f->total_tracks - 1]->type = TRACK_SYSTEM;
+#ifdef ITUNES_DRM
+ } else if (atom_type == ATOM_DRMS) {+ // track type is read from the "frma" atom
+ f->track[f->total_tracks - 1]->type = TRACK_UNKNOWN;
+ mp4ff_read_drms(f, skip-size+header_size);
+#endif
} else {f->track[f->total_tracks - 1]->type = TRACK_UNKNOWN;
}
@@ -609,6 +756,17 @@
} else if (atom_type == ATOM_MDHD) {/* track header */
mp4ff_read_mdhd(f);
+#ifdef ITUNES_DRM
+ } else if (atom_type == ATOM_FRMA) {+ /* DRM track format */
+ mp4ff_read_frma(f);
+ } else if (atom_type == ATOM_IVIV) {+ mp4ff_read_iviv(f, size-8);
+ } else if (atom_type == ATOM_NAME) {+ mp4ff_read_name(f, size-8);
+ } else if (atom_type == ATOM_PRIV) {+ mp4ff_read_priv(f, size-8);
+#endif
#ifdef USE_TAGGING
} else if (atom_type == ATOM_META) {/* iTunes Metadata box */
--- a/common/mp4ff/mp4ff.c
+++ b/common/mp4ff/mp4ff.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: mp4ff.c,v 1.13 2004/01/05 14:05:11 menno Exp $
+** $Id: mp4ff.c,v 1.15 2004/01/11 15:52:18 menno Exp $
**/
#include <stdlib.h>
@@ -29,6 +29,8 @@
#include <string.h>
#include "mp4ffint.h"
+#include "drms.h"
+
mp4ff_t *mp4ff_open_read(mp4ff_callback_t *f)
{mp4ff_t *ff = malloc(sizeof(mp4ff_t));
@@ -70,6 +72,10 @@
free(ff->track[i]->ctts_sample_count);
if (ff->track[i]->ctts_sample_offset)
free(ff->track[i]->ctts_sample_offset);
+#ifdef ITUNES_DRM
+ if (ff->track[i]->p_drms)
+ drms_free(ff->track[i]->p_drms);
+#endif
free(ff->track[i]);
}
}
@@ -91,7 +97,7 @@
}
/* parse atoms that are sub atoms of other atoms */
-static int32_t parse_sub_atoms(mp4ff_t *f, const uint64_t total_size)
+int32_t parse_sub_atoms(mp4ff_t *f, const uint64_t total_size)
{uint64_t size;
uint8_t atom_type = 0;
@@ -376,7 +382,7 @@
mp4ff_set_sample_position(f, track, sample);
- return mp4ff_read_data(f, *audio_buffer, *bytes);
+ result = mp4ff_read_data(f, *audio_buffer, *bytes);
if (!result)
{@@ -385,6 +391,13 @@
return 0;
}
+#ifdef ITUNES_DRM
+ if (f->track[track]->p_drms != NULL)
+ {+ drms_decrypt(f->track[track]->p_drms, (uint32_t*)*audio_buffer, *bytes);
+ }
+#endif
+
return *bytes;
}
@@ -391,10 +404,20 @@
int32_t mp4ff_read_sample_v2(mp4ff_t *f, const int track, const int sample,unsigned char *buffer)
{+ int32_t result = 0;
int32_t size = mp4ff_audio_frame_size(f,track,sample);
if (size<=0) return 0;
mp4ff_set_sample_position(f, track, sample);
- return mp4ff_read_data(f,buffer,size);
+ result = mp4ff_read_data(f,buffer,size);
+
+#ifdef ITUNES_DRM
+ if (f->track[track]->p_drms != NULL)
+ {+ drms_decrypt(f->track[track]->p_drms, (uint32_t*)buffer, size);
+ }
+#endif
+
+ return result;
}
int32_t mp4ff_read_sample_getsize(mp4ff_t *f, const int track, const int sample)
--- a/common/mp4ff/mp4ffint.h
+++ b/common/mp4ff/mp4ffint.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: mp4ffint.h,v 1.11 2004/01/06 11:59:47 menno Exp $
+** $Id: mp4ffint.h,v 1.12 2004/01/10 18:55:24 menno Exp $
**/
#ifndef MP4FF_INTERNAL_H
@@ -35,6 +35,9 @@
#include "mp4ff_int_types.h"
+//#define ITUNES_DRM
+
+
#define MAX_TRACKS 1024
#define TRACK_UNKNOWN 0
#define TRACK_AUDIO 1
@@ -68,6 +71,9 @@
#define ATOM_NAME 149 /* iTunes Metadata name box */
#define ATOM_DATA 150 /* iTunes Metadata data box */
#define ATOM_CTTS 151
+#define ATOM_FRMA 152
+#define ATOM_IVIV 153
+#define ATOM_PRIV 154
#define ATOM_UNKNOWN 255
#define ATOM_FREE ATOM_UNKNOWN
@@ -96,6 +102,9 @@
#define ATOM_GENRE2 20
#define ATOM_TEMPO 21
#define ATOM_COVER 22
+#define ATOM_DRMS 23
+#define ATOM_SINF 24
+#define ATOM_SCHI 25
#ifdef HAVE_CONFIG_H
#include "../../config.h"
@@ -176,6 +185,11 @@
uint32_t timeScale;
uint64_t duration;
+
+#ifdef ITUNES_DRM
+ /* drms */
+ void *p_drms;
+#endif
} mp4ff_track_t;