Add FSB decryption, keys and optional .fsbkey

This commit is contained in:
bnnm 2018-01-21 01:46:33 +01:00
parent 1d46fb1b14
commit ed29f694ed
7 changed files with 284 additions and 0 deletions

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@ -204,6 +204,10 @@
RelativePath=".\meta\hca_keys.h"
>
</File>
<File
RelativePath=".\meta\fsb_keys.h"
>
</File>
<File
RelativePath=".\meta\aax_streamfile.h"
>
@ -412,6 +416,10 @@
RelativePath=".\meta\fsb5.c"
>
</File>
<File
RelativePath=".\meta\fsb_encrypted.c"
>
</File>
<File
RelativePath=".\meta\g1l.c"
>

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@ -98,6 +98,7 @@
<ClInclude Include="meta\sqex_scd_streamfile.h" />
<ClInclude Include="meta\meta.h" />
<ClInclude Include="meta\hca_keys.h" />
<ClInclude Include="meta\fsb_keys.h" />
<ClInclude Include="coding\acm_decoder.h" />
<ClInclude Include="coding\coding.h" />
<ClInclude Include="coding\ffmpeg_decoder_utils.h" />
@ -213,6 +214,7 @@
<ClCompile Include="meta\flx.c" />
<ClCompile Include="meta\fsb.c" />
<ClCompile Include="meta\fsb5.c" />
<ClCompile Include="meta\fsb_encrypted.c" />
<ClCompile Include="meta\gca.c" />
<ClCompile Include="meta\gcsw.c" />
<ClCompile Include="meta\genh.c" />

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@ -80,6 +80,9 @@
<ClInclude Include="meta\hca_keys.h">
<Filter>meta\Header Files</Filter>
</ClInclude>
<ClInclude Include="meta\fsb_keys.h">
<Filter>meta\Header Files</Filter>
</ClInclude>
<ClInclude Include="coding\acm_decoder.h">
<Filter>coding\Header Files</Filter>
</ClInclude>
@ -244,6 +247,9 @@
<ClCompile Include="meta\fsb5.c">
<Filter>meta\Source Files</Filter>
</ClCompile>
<ClCompile Include="meta\fsb_encrypted.c">
<Filter>meta\Source Files</Filter>
</ClCompile>
<ClCompile Include="meta\gca.c">
<Filter>meta\Source Files</Filter>
</ClCompile>

139
src/meta/fsb_encrypted.c Normal file
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@ -0,0 +1,139 @@
#include "meta.h"
#include "fsb_keys.h"
#define FSB_KEY_MAX 128 /* probably 32 */
typedef struct {
uint8_t fsbkey[FSB_KEY_MAX];
size_t fsbkey_size;
int is_alt;
} fsb_decryption_data;
static size_t fsb_decryption_read(STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length, fsb_decryption_data* data) {
static const unsigned char reverse_bits_table[] = { /* LUT to simplify, could use some bitswap function */
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
};
size_t bytes_read;
int i;
bytes_read = streamfile->read(streamfile, dest, offset, length);
/* decrypt data (inverted bits and xor) */
for (i = 0; i < bytes_read; i++) {
uint8_t xor = data->fsbkey[(offset + i) % data->fsbkey_size];
uint8_t val = dest[i];
if (data->is_alt) {
dest[i] = reverse_bits_table[val ^ xor];
}
else {
dest[i] = reverse_bits_table[val] ^ xor;
}
}
return bytes_read;
}
/* fully encrypted FSBs */
VGMSTREAM * init_vgmstream_fsb_encrypted(STREAMFILE * streamFile) {
VGMSTREAM * vgmstream = NULL;
fsb_decryption_data io_data = {0};
size_t io_data_size = sizeof(fsb_decryption_data);
/* check extensions */
if ( !check_extensions(streamFile, "fsb") )
goto fail;
/* ignore non-encrypted FSB */
if ((read_32bitBE(0x00,streamFile) & 0xFFFFFF00) == 0x46534200) /* "FSB\0" */
goto fail;
/* try fsbkey + all combinations of FSB4/5 and decryption algorithms */
{
io_data.fsbkey_size = read_key_file(io_data.fsbkey, FSB_KEY_MAX, streamFile);
if (io_data.fsbkey_size) {
{
STREAMFILE *custom_streamFile = NULL;
io_data.is_alt = 0;
custom_streamFile = open_io_streamfile(open_wrap_streamfile(streamFile), &io_data,io_data_size, fsb_decryption_read);
if (!custom_streamFile) goto fail;
if (!vgmstream) vgmstream = init_vgmstream_fsb(custom_streamFile);
if (!vgmstream) vgmstream = init_vgmstream_fsb5(custom_streamFile);
close_streamfile(custom_streamFile);
}
if (!vgmstream) {
STREAMFILE *custom_streamFile = NULL;
io_data.is_alt = 1;
custom_streamFile = open_io_streamfile(open_wrap_streamfile(streamFile), &io_data,io_data_size, fsb_decryption_read);
if (!custom_streamFile) goto fail;
vgmstream = init_vgmstream_fsb(custom_streamFile);
if (!vgmstream)
vgmstream = init_vgmstream_fsb5(custom_streamFile);
close_streamfile(custom_streamFile);
}
}
}
/* try all keys until one works */
if (!vgmstream) {
int i;
STREAMFILE *custom_streamFile = NULL;
for (i = 0; i < fsbkey_list_count; i++) {
if (!fsbkey_list[i].fsbkey_size || fsbkey_list[i].fsbkey_size > FSB_KEY_MAX) goto fail;
memcpy(io_data.fsbkey, fsbkey_list[i].fsbkey, fsbkey_list[i].fsbkey_size);
io_data.fsbkey_size = fsbkey_list[i].fsbkey_size;
io_data.is_alt = fsbkey_list[i].is_alt;
//;VGM_LOG("fsbkey: size=%i, is_fsb5=%i, is_alt=%i\n", fsbkey_list[i].fsbkey_size,fsbkey_list[i].is_fsb5, fsbkey_list[i].is_alt);
custom_streamFile = open_io_streamfile(open_wrap_streamfile(streamFile), &io_data,io_data_size, fsb_decryption_read);
if (!custom_streamFile) goto fail;
if (fsbkey_list[i].is_fsb5) {
vgmstream = init_vgmstream_fsb5(custom_streamFile);
} else {
vgmstream = init_vgmstream_fsb(custom_streamFile);
}
close_streamfile(custom_streamFile);
if (vgmstream) break;
}
}
if (!vgmstream)
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}

126
src/meta/fsb_keys.h Normal file
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@ -0,0 +1,126 @@
#ifndef _FSB_KEYS_H_
#define _FSB_KEYS_H_
typedef struct {
int is_fsb5;
int is_alt;
size_t fsbkey_size;
const uint8_t *fsbkey;
} fsbkey_info;
/**
* List of known keys, found in aluigi's site (http://aluigi.altervista.org), forums and with guessfsb.exe
*/
/* DJ Hero 2 (X360) */ //"nos71RiT"
static const uint8_t key_dj2[] = { 0x6E,0x6F,0x73,0x37,0x31,0x52,0x69,0x54 };
/* Double Fine Productions: Brutal Legend, Massive Chalice, etc (multi) */ //"DFm3t4lFTW"
static const uint8_t key_dfp[] = { 0x44,0x46,0x6D,0x33,0x74,0x34,0x6C,0x46,0x54,0x57 };
/* N++ (PC?) */ //"H$#FJa%7gRZZOlxLiN50&g5Q"
static const uint8_t key_npp[] = { 0x48,0x24,0x23,0x46,0x4A,0x61,0x25,0x37,0x67,0x52,0x5A,0x5A,0x4F,0x6C,0x78,0x4C,0x69,0x4E,0x35,0x30,0x26,0x67,0x35,0x51 };
/* Slightly Mad Studios: Project CARS (PC?), World of Speed (PC) */ //"sTOoeJXI2LjK8jBMOk8h5IDRNZl3jq3I"
static const uint8_t key_sms[] = { 0x73,0x54,0x4F,0x6F,0x65,0x4A,0x58,0x49,0x32,0x4C,0x6A,0x4B,0x38,0x6A,0x42,0x4D,0x4F,0x6B,0x38,0x68,0x35,0x49,0x44,0x52,0x4E,0x5A,0x6C,0x33,0x6A,0x71,0x33,0x49 };
/* Ghost in the Shell: First Assault (PC) */ //"%lAn2{Pi*Lhw3T}@7*!kV=?qS$@iNlJ"
static const uint8_t key_gfs[] = { 0x25,0x6C,0x41,0x6E,0x32,0x7B,0x50,0x69,0x2A,0x4C,0x68,0x77,0x33,0x54,0x7D,0x40,0x37,0x2A,0x21,0x6B,0x56,0x3D,0x3F,0x71,0x53,0x24,0x40,0x69,0x4E,0x6C,0x4A };
/* RevHeadz Engine Sounds (Mobile) */ //"1^7%82#&5$~/8sz"
static const uint8_t key_rev[] = { 0x31,0x5E,0x37,0x25,0x38,0x32,0x23,0x26,0x35,0x24,0x7E,0x2F,0x38,0x73,0x7A };
/* Dark Souls 3 (PC) */ //"FDPrVuT4fAFvdHJYAgyMzRF4EcBAnKg" //todo ps4?
static const uint8_t key_ds3[] = { 0x46,0x44,0x50,0x72,0x56,0x75,0x54,0x34,0x66,0x41,0x46,0x76,0x64,0x48,0x4A,0x59,0x41,0x67,0x79,0x4D,0x7A,0x52,0x46,0x34,0x45,0x63,0x42,0x41,0x6E,0x4B,0x67 };
/* Mortal Kombat X */
static const uint8_t key_mkx[] = { 0x99,0x61,0x64,0xB5,0xFC,0x0F,0x40,0x29,0x83,0xF6,0x1F,0x22,0x0B,0xB5,0x1D,0xC6 };
/* Xian Xia Chuan (PC) */ //"gat@tcqs2010"
static const uint8_t key_xxc[] = { 0x67,0x61,0x74,0x40,0x74,0x63,0x71,0x73,0x32,0x30,0x31,0x30 };
/* Mirror War Reincarnation of Holiness (PC) */ //"logicsounddesignmwsdev"
static const uint8_t key_mwr[] = { 0x6C,0x6F,0x67,0x69,0x63,0x73,0x6F,0x75,0x6E,0x64,0x64,0x65,0x73,0x69,0x67,0x6E,0x6D,0x77,0x73,0x64,0x65,0x76 };
/* Need for Speed Shift 2 Unleashed (PC demo?) */ //"p&oACY^c4LK5C2v^x5nIO6kg5vNH$tlj"
static const uint8_t key_n2u[] = { 0x70,0x26,0x6F,0x41,0x43,0x59,0x5E,0x63,0x34,0x4C,0x4B,0x35,0x43,0x32,0x76,0x5E,0x78,0x35,0x6E,0x49,0x4F,0x36,0x6B,0x67,0x35,0x76,0x4E,0x48,0x24,0x74,0x6C,0x6A };
/* Critter Crunch, Superbrothers: Sword & Sworcery */ //"j1$Mk0Libg3#apEr42mo"
static const uint8_t key_ccr[] = { 0x6A,0x31,0x24,0x4D,0x6B,0x30,0x4C,0x69,0x62,0x67,0x33,0x23,0x61,0x70,0x45,0x72,0x34,0x32,0x6D,0x6F };
/* Cyphers */ //"@kdj43nKDN^k*kj3ndf02hd95nsl(NJG"
static const uint8_t key_cyp[] = { 0x40,0x6B,0x64,0x6A,0x34,0x33,0x6E,0x4B,0x44,0x4E,0x5E,0x6B,0x2A,0x6B,0x6A,0x33,0x6E,0x64,0x66,0x30,0x32,0x68,0x64,0x39,0x35,0x6E,0x73,0x6C,0x28,0x4E,0x4A,0x47 };
/* Xuan Dou Zhi Wang / King of Combat */ //"Xiayuwu69252.Sonicli81223#$*@*0"
static const uint8_t key_xdz[] = { 0x58,0x69,0x61,0x79,0x75,0x77,0x75,0x36,0x39,0x32,0x35,0x32,0x2E,0x53,0x6F,0x6E,0x69,0x63,0x6C,0x69,0x38,0x31,0x32,0x32,0x33,0x23,0x24,0x2A,0x40,0x2A,0x30 };
/* Ji Feng Zhi Ren / Kritika Online */ //"kri_tika_5050_"
static const uint8_t key_jzz[] = { 0x6B,0x72,0x69,0x5F,0x74,0x69,0x6B,0x61,0x5F,0x35,0x30,0x35,0x30,0x5F };
/* Invisible Inc. */ //"mint78run52"
static const uint8_t key_inv[] = { 0x6D,0x69,0x6E,0x74,0x37,0x38,0x72,0x75,0x6E,0x35,0x32 };
/* Guitar Hero 3 */ //"5atu6w4zaw"
static const uint8_t key_gh3[] = { 0x35,0x61,0x74,0x75,0x36,0x77,0x34,0x7A,0x61,0x77 };
// Unknown:
// - Battle: Los Angeles
// - Guitar Hero: Warriors of Rock, DJ hero FSB
// - Longmenkezhan
// - Gas Guzzlers: Combat Carnage (PC?) "C5FA83EA64B34EC2BFE" hex or text? [FSB5]
static const fsbkey_info fsbkey_list[] = {
{ 0,0, sizeof(key_dj2),key_dj2 },
{ 0,0, sizeof(key_dfp),key_dfp },
{ 1,0, sizeof(key_dfp),key_dfp },//untested
{ 1,1, sizeof(key_dfp),key_dfp },//untested
{ 1,0, sizeof(key_npp),key_npp },
{ 1,0, sizeof(key_sms),key_sms },
{ 1,0, sizeof(key_gfs),key_gfs },
{ 1,0, sizeof(key_rev),key_rev },
{ 1,0, sizeof(key_ds3),key_ds3 },//untested
{ 1,1, sizeof(key_ds3),key_ds3 },
{ 1,0, sizeof(key_mkx),key_mkx },//untested
{ 1,1, sizeof(key_mkx),key_mkx },//untested
{ 0,0, sizeof(key_xxc),key_xxc },//untested
{ 0,1, sizeof(key_xxc),key_xxc },//untested
{ 1,0, sizeof(key_xxc),key_xxc },//untested
{ 1,1, sizeof(key_xxc),key_xxc },//untested
{ 0,0, sizeof(key_mwr),key_mwr },//untested
{ 0,1, sizeof(key_mwr),key_mwr },//untested
{ 1,0, sizeof(key_mwr),key_mwr },//untested
{ 1,1, sizeof(key_mwr),key_mwr },//untested
{ 0,0, sizeof(key_n2u),key_n2u },//untested
{ 0,1, sizeof(key_n2u),key_n2u },//untested
{ 1,0, sizeof(key_n2u),key_n2u },//untested
{ 1,1, sizeof(key_n2u),key_n2u },//untested
{ 0,0, sizeof(key_ccr),key_ccr },//untested
{ 0,1, sizeof(key_ccr),key_ccr },//untested
{ 1,0, sizeof(key_ccr),key_ccr },//untested
{ 1,1, sizeof(key_ccr),key_ccr },//untested
{ 0,0, sizeof(key_cyp),key_cyp },//untested
{ 0,1, sizeof(key_cyp),key_cyp },//untested
{ 1,0, sizeof(key_cyp),key_cyp },//untested
{ 1,1, sizeof(key_cyp),key_cyp },//untested
{ 0,0, sizeof(key_xdz),key_xdz },//untested
{ 0,1, sizeof(key_xdz),key_xdz },//untested
{ 1,0, sizeof(key_xdz),key_xdz },//untested
{ 1,1, sizeof(key_xdz),key_xdz },//untested
{ 0,0, sizeof(key_jzz),key_jzz },//untested
{ 0,1, sizeof(key_jzz),key_jzz },//untested
{ 1,0, sizeof(key_jzz),key_jzz },//untested
{ 1,1, sizeof(key_jzz),key_jzz },//untested
{ 0,0, sizeof(key_inv),key_inv },//untested
{ 0,1, sizeof(key_inv),key_inv },//untested
{ 1,0, sizeof(key_inv),key_inv },//untested
{ 1,1, sizeof(key_inv),key_inv },//untested
{ 0,0, sizeof(key_gh3),key_gh3 },//untested
{ 0,1, sizeof(key_gh3),key_gh3 },//untested
{ 1,0, sizeof(key_gh3),key_gh3 },//untested
{ 1,1, sizeof(key_gh3),key_gh3 },//untested
};
static const int fsbkey_list_count = sizeof(fsbkey_list) / sizeof(fsbkey_list[0]);
#endif /* _FSB_KEYS_H_ */

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@ -695,4 +695,6 @@ VGMSTREAM * init_vgmstream_mogg(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_kma9(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_fsb_encrypted(STREAMFILE * streamFile);
#endif /*_META_H*/

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@ -374,6 +374,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
init_vgmstream_flx,
init_vgmstream_mogg,
init_vgmstream_kma9,
init_vgmstream_fsb_encrypted,
init_vgmstream_txth, /* should go at the end (lower priority) */
#ifdef VGM_USE_FFMPEG