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0a1bc0a0aa
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@472 b08762b0-b915-fc4b-9d8c-17b2551a87ff
138 lines
4.0 KiB
C
138 lines
4.0 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/aes.h>
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#include <firm/pxi.h>
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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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reg_AES_AES_ID_B0 = AES_IDS_ID1_A(game_code);
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reg_AES_AES_ID_B1 = AES_IDS_ID1_B(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_ResetAesKey
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Description: set SEED/KEYs filler data without seed[3]
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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void AESi_ResetAesKey( void )
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{
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AES_Lock();
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AES_WaitKey();
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// set dummy without seed[3]
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reg_AES_AES_SEED_A0 = 1;
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reg_AES_AES_SEED_A1 = 2;
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reg_AES_AES_SEED_A2 = 3;
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reg_AES_AES_SEED_B0 = 4;
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reg_AES_AES_SEED_B1 = 5;
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reg_AES_AES_SEED_B2 = 6;
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reg_AES_AES_SEED_C0 = 7;
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reg_AES_AES_SEED_C1 = 8;
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reg_AES_AES_SEED_C2 = 9;
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reg_AES_AES_SEED_D0 = 10;
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reg_AES_AES_SEED_D1 = 11;
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reg_AES_AES_SEED_D2 = 12;
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reg_AES_AES_KEY_A0 = 1;
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reg_AES_AES_KEY_A1 = 2;
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reg_AES_AES_KEY_A2 = 3;
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reg_AES_AES_KEY_A3 = 3;
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reg_AES_AES_KEY_B0 = 4;
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reg_AES_AES_KEY_B1 = 5;
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reg_AES_AES_KEY_B2 = 6;
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reg_AES_AES_KEY_B3 = 6;
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reg_AES_AES_KEY_C0 = 7;
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reg_AES_AES_KEY_C1 = 8;
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reg_AES_AES_KEY_C2 = 9;
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reg_AES_AES_KEY_C3 = 9;
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reg_AES_AES_KEY_D0 = 10;
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reg_AES_AES_KEY_D1 = 11;
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reg_AES_AES_KEY_D2 = 12;
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reg_AES_AES_KEY_D3 = 12;
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AES_Unlock();
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}
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/*---------------------------------------------------------------------------*
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Name: AESi_RecvSeed
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Description: set SEED/KEY from ARM9 via PXI.
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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void AESi_RecvSeed( BOOL developer_encrypt )
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{
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AESKey seed;
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// PXI_RecvDataByFifo( PXI_FIFO_TAG_DATA, &seed, AES_BLOCK_SIZE );
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PXI_RecvStream( &seed, AES_BLOCK_SIZE );
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AES_Lock();
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AES_WaitKey();
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if ( developer_encrypt )
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{
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AES_SetKeyA(&seed); // Direct
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}
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else
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{
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AES_SetKeySeedA((AESKeySeed*)&seed); // APP
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}
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AES_Unlock();
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}
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