From 051ce627e6f3c469ecaf98676203dc8a59cc9e57 Mon Sep 17 00:00:00 2001 From: Jon Lech Johansen Date: Mon, 5 Jan 2004 12:37:52 +0000 Subject: [PATCH] * ./modules/demux/mp4: DRMS support. --- AUTHORS | 3 +- modules/demux/mp4/Modules.am | 3 + modules/demux/mp4/drms.c | 1014 ++++++++++++++++++++++++++++++++ modules/demux/mp4/drms.h | 39 ++ modules/demux/mp4/drmstables.h | 448 ++++++++++++++ modules/demux/mp4/libmp4.c | 170 +++++- modules/demux/mp4/libmp4.h | 11 +- modules/demux/mp4/mp4.c | 16 +- modules/demux/mp4/mp4.h | 4 +- 9 files changed, 1703 insertions(+), 5 deletions(-) create mode 100644 modules/demux/mp4/drms.c create mode 100644 modules/demux/mp4/drms.h create mode 100644 modules/demux/mp4/drmstables.h diff --git a/AUTHORS b/AUTHORS index f42ad2249d..76fbc14c88 100644 --- a/AUTHORS +++ b/AUTHORS @@ -1,4 +1,4 @@ -# $Id: AUTHORS,v 1.100 2004/01/05 12:24:51 jlj Exp $ +# $Id: AUTHORS,v 1.101 2004/01/05 12:37:52 jlj Exp $ # # The format of this file was inspired by the Linux kernel CREDITS file. # Authors are listed alphabetically. @@ -198,6 +198,7 @@ D: Win32 DVD input port D: QNX RTOS plug-in D: MacOS X port D: norwegian translation +D: MP4 DRMS support S: France N: Michel Kaempf diff --git a/modules/demux/mp4/Modules.am b/modules/demux/mp4/Modules.am index c88b1f3a81..ef5bd2dd64 100644 --- a/modules/demux/mp4/Modules.am +++ b/modules/demux/mp4/Modules.am @@ -3,4 +3,7 @@ SOURCES_mp4 = \ mp4.h \ libmp4.c \ libmp4.h \ + drms.c \ + drms.h \ + drmstables.h \ $(NULL) diff --git a/modules/demux/mp4/drms.c b/modules/demux/mp4/drms.c new file mode 100644 index 0000000000..cf543d2d55 --- /dev/null +++ b/modules/demux/mp4/drms.c @@ -0,0 +1,1014 @@ +/***************************************************************************** + * drms.c : DRMS + ***************************************************************************** + * Copyright (C) 2004 VideoLAN + * $Id: drms.c,v 1.1 2004/01/05 12:37:52 jlj Exp $ + * + * Author: Jon Lech Johansen + * + * 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 /* malloc(), free() */ + +#include + +#ifdef WIN32 +#include +#include +#include +#endif + +#include "drms.h" +#include "drmstables.h" + +#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( SUCCEEDED( SHGetFolderPath( NULL, CSIDL_COMMON_APPDATA, + NULL, 0, p_path ) ) ) + { + _tcsncat( p_path, p_filename, min( _tcslen( p_filename ), + (MAX_PATH-1) - _tcslen( p_path ) ) ); + + 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 ) + { + 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 + diff --git a/modules/demux/mp4/drms.h b/modules/demux/mp4/drms.h new file mode 100644 index 0000000000..5df671de9f --- /dev/null +++ b/modules/demux/mp4/drms.h @@ -0,0 +1,39 @@ +/***************************************************************************** + * drms.h : DRMS + ***************************************************************************** + * Copyright (C) 2004 VideoLAN + * $Id: drms.h,v 1.1 2004/01/05 12:37:52 jlj Exp $ + * + * Author: Jon Lech Johansen + * + * 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 ); + diff --git a/modules/demux/mp4/drmstables.h b/modules/demux/mp4/drmstables.h new file mode 100644 index 0000000000..a14ccf86ec --- /dev/null +++ b/modules/demux/mp4/drmstables.h @@ -0,0 +1,448 @@ +/***************************************************************************** + * drmstables.h : DRMS tables + ***************************************************************************** + * Copyright (C) 2004 VideoLAN + * $Id: drmstables.h,v 1.1 2004/01/05 12:37:52 jlj Exp $ + * + * Author: Jon Lech Johansen + * + * 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 + } +}; + diff --git a/modules/demux/mp4/libmp4.c b/modules/demux/mp4/libmp4.c index 06b6ffe655..cb819ed72c 100644 --- a/modules/demux/mp4/libmp4.c +++ b/modules/demux/mp4/libmp4.c @@ -2,7 +2,7 @@ * libmp4.c : LibMP4 library for mp4 module for vlc ***************************************************************************** * Copyright (C) 2001 VideoLAN - * $Id: libmp4.c,v 1.39 2003/12/22 14:32:55 sam Exp $ + * $Id: libmp4.c,v 1.40 2004/01/05 12:37:52 jlj Exp $ * * Author: Laurent Aimar * @@ -30,6 +30,7 @@ #endif #include "libmp4.h" +#include "drms.h" /***************************************************************************** * Here are defined some macro to make life simpler but before using it @@ -1146,6 +1147,79 @@ static int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box ) msg_Dbg( p_stream->p_input, "Read Box: \"soun\" mp4 or qt1/2 (rest="I64Fd")", i_read ); MP4_SeekStream( p_stream, p_box->i_pos + MP4_BOX_HEADERSIZE( p_box ) + 28 ); } + + p_box->data.p_sample_soun->p_drms = + p_box->i_type == FOURCC_drms ? drms_alloc() : NULL; + + if( p_box->data.p_sample_soun->p_drms ) + { + FILE *file; + char *psz_homedir; + char *psz_filename; + uint32_t p_user_key[ 4 ]; + + int i_ret = 0; + vlc_bool_t b_key = VLC_FALSE; + + psz_filename = NULL; + psz_homedir = p_stream->p_input->p_vlc->psz_homedir; + +#define DRMS_FILENAME "drms" + + if( psz_homedir != NULL ) + { + psz_filename = (char *)malloc( sizeof("/" CONFIG_DIR "/" + DRMS_FILENAME) + + strlen( psz_homedir ) ); + if( psz_filename != NULL ) + { + sprintf( psz_filename, "%s/" CONFIG_DIR "/" DRMS_FILENAME, + psz_homedir ); + + file = fopen( psz_filename, "r" ); + if( file != NULL ) + { + b_key = fread( p_user_key, sizeof(uint32_t), + 4, file ) == 4 ? VLC_TRUE : VLC_FALSE; + fclose( file ); + } + } + } + + if( b_key == VLC_FALSE ) + { + i_ret = drms_get_user_key( NULL, p_user_key ); + } + + if( !i_ret ) + { + if( b_key == VLC_FALSE && psz_filename != NULL ) + { + file = fopen( psz_filename, "w" ); + if( file != NULL ) + { + fwrite( p_user_key, sizeof(uint32_t), 4, file ); + fclose( file ); + } + } + + i_ret = drms_init( p_box->data.p_sample_soun->p_drms, + DRMS_INIT_UKEY, (uint8_t *)p_user_key, + sizeof(p_user_key) ); + } + + if( psz_filename != NULL ) + { + free( (void *)psz_filename ); + } + + if( i_ret ) + { + drms_free( p_box->data.p_sample_soun->p_drms ); + p_box->data.p_sample_soun->p_drms = NULL; + } + } + MP4_ReadBoxContainerRaw( p_stream, p_box ); /* esds */ #ifdef MP4_VERBOSE @@ -1160,6 +1234,18 @@ static int MP4_ReadBox_sample_soun( MP4_Stream_t *p_stream, MP4_Box_t *p_box ) } +static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box ) +{ + if( p_box->i_type == FOURCC_drms ) + { + if( p_box->data.p_sample_soun->p_drms ) + { + drms_free( p_box->data.p_sample_soun->p_drms ); + } + } +} + + static int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box ) { unsigned int i; @@ -1879,6 +1965,81 @@ static int MP4_ReadBox_rmvc( MP4_Stream_t *p_stream, MP4_Box_t *p_box ) MP4_READBOX_EXIT( 1 ); } +static int MP4_ReadBox_iviv( MP4_Stream_t *p_stream, MP4_Box_t *p_box ) +{ + MP4_READBOX_ENTER( uint8_t ); + + if( i_read >= sizeof(uint32_t) * 4 ) + { + MP4_Box_t *p_drms_box = p_box; + + do + { + p_drms_box = p_drms_box->p_father; + } while( p_drms_box && p_drms_box->i_type != FOURCC_drms ); + + if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms ) + { + if( drms_init( p_drms_box->data.p_sample_soun->p_drms, + DRMS_INIT_IVIV, p_peek, sizeof(uint32_t) * 4 ) ) + { + drms_free( p_drms_box->data.p_sample_soun->p_drms ); + p_drms_box->data.p_sample_soun->p_drms = NULL; + } + } + } + + MP4_READBOX_EXIT( 1 ); +} + +static int MP4_ReadBox_name( MP4_Stream_t *p_stream, MP4_Box_t *p_box ) +{ + MP4_Box_t *p_drms_box = p_box; + + MP4_READBOX_ENTER( uint8_t ); + + do + { + p_drms_box = p_drms_box->p_father; + } while( p_drms_box && p_drms_box->i_type != FOURCC_drms ); + + if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms ) + { + if( drms_init( p_drms_box->data.p_sample_soun->p_drms, + DRMS_INIT_NAME, p_peek, strlen( p_peek ) ) ) + { + drms_free( p_drms_box->data.p_sample_soun->p_drms ); + p_drms_box->data.p_sample_soun->p_drms = NULL; + } + } + + MP4_READBOX_EXIT( 1 ); +} + +static int MP4_ReadBox_priv( MP4_Stream_t *p_stream, MP4_Box_t *p_box ) +{ + MP4_Box_t *p_drms_box = p_box; + + MP4_READBOX_ENTER( uint8_t ); + + do + { + p_drms_box = p_drms_box->p_father; + } while( p_drms_box && p_drms_box->i_type != FOURCC_drms ); + + if( p_drms_box && p_drms_box->data.p_sample_soun->p_drms ) + { + if( drms_init( p_drms_box->data.p_sample_soun->p_drms, + DRMS_INIT_PRIV, p_peek, i_read ) ) + { + drms_free( p_drms_box->data.p_sample_soun->p_drms ); + p_drms_box->data.p_sample_soun->p_drms = NULL; + } + } + + MP4_READBOX_EXIT( 1 ); +} + /**** ------------------------------------------------------------------- ****/ /**** "Higher level" Functions ****/ /**** ------------------------------------------------------------------- ****/ @@ -2014,6 +2175,13 @@ static struct { FOURCC_rmqu, MP4_ReadBox_rmqu, MP4_FreeBox_Common }, { FOURCC_rmvc, MP4_ReadBox_rmvc, MP4_FreeBox_Common }, + { FOURCC_drms, MP4_ReadBox_sample_soun, MP4_FreeBox_sample_soun }, + { FOURCC_sinf, MP4_ReadBoxContainer, MP4_FreeBox_Common }, + { FOURCC_schi, MP4_ReadBoxContainer, MP4_FreeBox_Common }, + { FOURCC_iviv, MP4_ReadBox_iviv, MP4_FreeBox_Common }, + { FOURCC_name, MP4_ReadBox_name, MP4_FreeBox_Common }, + { FOURCC_priv, MP4_ReadBox_priv, MP4_FreeBox_Common }, + /* Last entry */ { 0, NULL, NULL } }; diff --git a/modules/demux/mp4/libmp4.h b/modules/demux/mp4/libmp4.h index 36cf83a458..95a2faf109 100644 --- a/modules/demux/mp4/libmp4.h +++ b/modules/demux/mp4/libmp4.h @@ -2,7 +2,7 @@ * libmp4.h : LibMP4 library for mp4 module for vlc ***************************************************************************** * Copyright (C) 2001 VideoLAN - * $Id: libmp4.h,v 1.17 2003/10/07 14:59:10 gbazin Exp $ + * $Id: libmp4.h,v 1.18 2004/01/05 12:37:52 jlj Exp $ * Authors: Laurent Aimar * * This program is free software; you can redistribute it and/or modify @@ -154,6 +154,13 @@ #define FOURCC_gmhd VLC_FOURCC( 'g', 'm', 'h', 'd' ) #define FOURCC_wave VLC_FOURCC( 'w', 'a', 'v', 'e' ) +#define FOURCC_drms VLC_FOURCC( 'd', 'r', 'm', 's' ) +#define FOURCC_sinf VLC_FOURCC( 's', 'i', 'n', 'f' ) +#define FOURCC_schi VLC_FOURCC( 's', 'c', 'h', 'i' ) +#define FOURCC_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' ) +#define FOURCC_name VLC_FOURCC( 'n', 'a', 'm', 'e' ) +#define FOURCC_priv VLC_FOURCC( 'p', 'r', 'i', 'v' ) + /* Do you want some debug information on all read boxes ? */ #define MP4_VERBOSE 1 @@ -381,6 +388,8 @@ 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 diff --git a/modules/demux/mp4/mp4.c b/modules/demux/mp4/mp4.c index e8f3989052..19ab0718ed 100644 --- a/modules/demux/mp4/mp4.c +++ b/modules/demux/mp4/mp4.c @@ -2,7 +2,7 @@ * mp4.c : MP4 file input module for vlc ***************************************************************************** * Copyright (C) 2001 VideoLAN - * $Id: mp4.c,v 1.46 2003/12/20 16:22:59 gbazin Exp $ + * $Id: mp4.c,v 1.47 2004/01/05 12:37:52 jlj Exp $ * Authors: Laurent Aimar * * This program is free software; you can redistribute it and/or modify @@ -31,6 +31,7 @@ #include "libmp4.h" #include "mp4.h" +#include "drms.h" /***************************************************************************** * Module descriptor @@ -459,6 +460,13 @@ static int Demux( input_thread_t *p_input ) break; } + if( track.p_drms != NULL ) + { + drms_decrypt( track.p_drms, + (uint32_t *)p_block->p_buffer, + p_block->i_buffer ); + } + if( track.fmt.i_cat == VIDEO_ES ) { /* FIXME sometime we can calculate PTS */ @@ -1240,6 +1248,8 @@ static void MP4_TrackCreate( input_thread_t *p_input, MP4_Box_t *p_vmhd; MP4_Box_t *p_smhd; + MP4_Box_t *p_drms; + unsigned int i; char language[4]; @@ -1322,6 +1332,10 @@ static void MP4_TrackCreate( input_thread_t *p_input, return; } + p_drms = MP4_BoxGet( p_track->p_stsd, "drms" ); + p_track->p_drms = p_drms != NULL ? + p_drms->data.p_sample_soun->p_drms : NULL; + /* Set language */ if( strcmp( language, "```" ) && strcmp( language, "und" ) ) { diff --git a/modules/demux/mp4/mp4.h b/modules/demux/mp4/mp4.h index 2a286fe349..bc7008b198 100644 --- a/modules/demux/mp4/mp4.h +++ b/modules/demux/mp4/mp4.h @@ -2,7 +2,7 @@ * mp4.h : MP4 file input module for vlc ***************************************************************************** * Copyright (C) 2001 VideoLAN - * $Id: mp4.h,v 1.9 2003/11/27 12:32:51 fenrir Exp $ + * $Id: mp4.h,v 1.10 2004/01/05 12:37:52 jlj Exp $ * Authors: Laurent Aimar * * This program is free software; you can redistribute it and/or modify @@ -86,6 +86,8 @@ typedef struct track_data_mp4_s MP4_Box_t *p_stsd; /* will contain all data to initialize decoder */ MP4_Box_t *p_sample;/* point on actual sdsd */ + void *p_drms; + } track_data_mp4_t; -- 2.39.2