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ROMヘッダ偽装:NTR専用SRLのMROM設定を1TROM設定に変更する。(署名つけない。CRCは更新。)

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@2471 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
nishikawa_takeshi 2008-09-10 08:54:57 +00:00
parent 54fc4f5c22
commit 76f84cdf41
1 changed files with 62 additions and 11 deletions
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73
build/tests/FakeRomHeader/main.c
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@ -27,12 +27,13 @@
#include "revision.h"
#include "keys.h"
/*---------------------------------------------------------------------------*
<できていないところリスト>
++ 製品版srlの実機上での動作確認
*---------------------------------------------------------------------------*/
#define CARD_LATENCY_MASK 0x083f1fff
#define CARD_MROM_GAME_LATENCY 0x00010017
#define CARD_MROM_SECURE_HW_LATENCY 0x001808f8
#define CARD_MROM_SECURE_SW_LATENCY 0x051e
#define CARD_1TROM_GAME_LATENCY 0x00010657
#define CARD_1TROM_SECURE_HW_LATENCY 0x081808f8
#define CARD_1TROM_SECURE_SW_LATENCY 0x0d7e
/*---------------------------------------------------------------------------*
@ -63,7 +64,8 @@ typedef struct _SContext
BOOL bDevFlag;
BOOL bVerFlag;
int verNum;
BOOL bMROM;
FILE *ifp;
FILE *ofp;
}
@ -73,6 +75,7 @@ SContext;
static BOOL iMain( SContext *pContext );
u16 CalcCRC16(u16 start, u8 *data, int size);
BOOL SignRomHeader( ROM_Header *prh );
static void SetRomSpeedByIndex(ROM_Header * header, tRomSpeedType idx);
/*---------------------------------------------------------------------------*
@ -104,6 +107,7 @@ void usage()
printf( "-s : negate flag for the signature in a ROM Header.\n" );
printf( "-d : negate a new developer encrypt flag, and assert an old one.\n" );
printf( "-v NUM: change ROM version in a ROM Header.\n" );
printf( "-m : [Only NTR limited ROM] Rom speed type replace 1TROM from MROM\n" );
printf( "-----------------------------------------------------------------------------\n" );
}
@ -125,7 +129,7 @@ int main(int argc, char *argv[])
memset( &context, 0, sizeof(SContext) );
// オプション
while( (opt = getopt(argc, argv, "hpsdv:")) >= 0 )
while( (opt = getopt(argc, argv, "hpsdmv:")) >= 0 )
{
switch( opt )
{
@ -151,6 +155,10 @@ int main(int argc, char *argv[])
context.verNum = atoi(optarg);
break;
case 'm':
context.bMROM = TRUE;
break;
default: // オプション引数が指定されていないときにも実行される
usage();
fprintf( stdout, "error: illegal option\n" );
@ -282,16 +290,35 @@ static BOOL iMain( SContext *pContext )
{
printf( "ROM version: 0x%02x -> 0x%02x\n", rh.s.rom_version, pContext->verNum );
rh.s.rom_version = pContext->verNum;
}
}
if( pContext->bMROM )
{
if( rh.s.platform_code != 0x00 )
{
printf( "ERROR: This option is only for NTR Limited." );
return FALSE;
}
if( (rh.s.game_cmd_param & CARD_LATENCY_MASK) != CARD_MROM_GAME_LATENCY )
{
printf( "ERROR: This option is only for MROM Setting" );
return FALSE;
}
SetRomSpeedByIndex( &rh, ONETROM );
printf( "ROM Speed Type: MROM -> 1TROM\n" );
}
}
// ヘッダCRC計算
rh.s.header_crc16 = CalcCRC16( CRC16_INIT_VALUE, (u8*)&rh, CALC_CRC16_SIZE );
// 署名
if( !SignRomHeader( &rh ) )
if( !(pContext->bMROM) ) // NTR専用オプションのときは署名しない
{
return FALSE;
if( !SignRomHeader( &rh ) )
{
return FALSE;
}
}
// ファイルをコピる
@ -425,4 +452,28 @@ BOOL SignRomHeader( ROM_Header *prh )
return TRUE;
} // ECSrlResult RCSrl::signRomHeader(void)
/*---------------------------------------------------------------------------*
ROM Speed Typeの設定
*---------------------------------------------------------------------------*/
static ROM_LT romSpeedTypeLatencyTable[] = {
{CARD_1TROM_GAME_LATENCY, CARD_1TROM_SECURE_HW_LATENCY, CARD_1TROM_SECURE_SW_LATENCY},
{CARD_MROM_GAME_LATENCY, CARD_MROM_SECURE_HW_LATENCY, CARD_MROM_SECURE_SW_LATENCY},
};
static void SetRomSpeedByIndex(ROM_Header * header, tRomSpeedType idx)
{
ROM_LT *l = &romSpeedTypeLatencyTable[idx];
header->s.game_cmd_param &= ~CARD_LATENCY_MASK;
header->s.game_cmd_param |= l->game_latency;
header->s.secure_cmd_param &= ~CARD_LATENCY_MASK;
header->s.secure_cmd_param |= l->secure_hw_latency;
header->s.secure_cmd_latency = l->secure_sw_latency;
}
// end of file