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2521a7e48c
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@988 b08762b0-b915-fc4b-9d8c-17b2551a87ff
115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlIPL - libraries - aes
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File: aes_init.c
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Date:: $
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#include <firm/os.h>
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#include <firm/aes.h>
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#include <firm/pxi.h>
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// •Ï<E280A2>X‰Â
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#define AES_IDS_ID0_C(c) (((unsigned long)c[0] << 0) | ((unsigned long)c[1] << 8) | ((unsigned long)c[2] << 16) | ((unsigned long)c[3] << 24))
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#define AES_IDS_ID0_D(c) (((unsigned long)c[3] << 0) | ((unsigned long)c[2] << 8) | ((unsigned long)c[1] << 16) | ((unsigned long)c[0] << 24))
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/*---------------------------------------------------------------------------*
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Name: AESi_PreInitKeys
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Description: reset IDs preset by bootrom.
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you SHOULD NOT touch any ID registers after this call.
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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void AESi_PreInitKeys( void )
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{
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AES_WaitKey();
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reg_AES_AES_ID_B2 = reg_OS_CHIP_ID1 ^ *(const u32*)&OSi_GetFromFirmAddr()->aes_key[2][0];
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reg_AES_AES_ID_D1 = reg_OS_CHIP_ID0 ^ *(const u32*)&OSi_GetFromFirmAddr()->aes_key[2][8];
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reg_AES_AES_ID_D2 = reg_OS_CHIP_ID1 ^ *(const u32*)&OSi_GetFromFirmAddr()->aes_key[2][4];
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}
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/*---------------------------------------------------------------------------*
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Name: AESi_InitKeysForApp
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Description: set IDs depending on the application.
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you SHOULD NOT touch any ID registers after this call.
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Arguments: game_code game code
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Returns: None
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*---------------------------------------------------------------------------*/
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void AESi_InitKeysForApp( u8 game_code[4] )
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{
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AES_Lock();
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AES_WaitKey();
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reg_AES_AES_ID_A2 = AES_IDS_ID0_C(game_code);
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reg_AES_AES_ID_A3 = AES_IDS_ID0_D(game_code);
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AES_Unlock();
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}
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/*---------------------------------------------------------------------------*
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Name: AESi_InitKeysForHard
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Description: set IDs depending on the system hardware.
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you SHOULD NOT use this for standard applications.
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Arguments: fuse camouflaged fuse id
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Returns: None
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*---------------------------------------------------------------------------*/
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void AESi_InitKeysForHard( u8 fuse[8] )
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{
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AES_Lock();
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AES_WaitKey();
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reg_AES_AES_ID_B2 = *(u32*)&fuse[4];
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reg_AES_AES_ID_B3 = *(u32*)&fuse[0];
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reg_AES_AES_ID_D0 = *(u32*)&fuse[0];
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reg_AES_AES_ID_D3 = *(u32*)&fuse[4];
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AES_Unlock();
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}
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/*---------------------------------------------------------------------------*
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Name: AESi_InitSeedWithRomHeader
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Description: set SEED/KEY from ROM header
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Arguments: rom_header ROM header
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Returns: None
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*---------------------------------------------------------------------------*/
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void AESi_InitSeedWithRomHeader( ROM_Header* rom_header )
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{
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AES_Lock();
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AES_WaitKey();
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if ( !rom_header )
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{
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return;
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}
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if ( rom_header->s.developer_encrypt )
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{
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AES_SetKeyA( (AESKey*)rom_header->s.title_name );
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}
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else
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{
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AES_SetKeySeedA( (AESKeySeed*)rom_header->s.main_ltd_static_digest );
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}
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AES_Unlock();
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}
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