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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@72 b08762b0-b915-fc4b-9d8c-17b2551a87ff
112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlIPL
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File:
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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 <nitro.h>
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#include <sysmenu/acsign.h>
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#include <string.h>
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#define AUTH_KEY_BUFFER_LEN 128
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#define MB_AUTH_SIGN_SIZE (128) /* digital sign size */
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typedef struct MbAuthCode
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{
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char magic_code[2]; // マジックナンバー
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u16 version; // バージョン
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u8 sign[MB_AUTH_SIGN_SIZE]; // 署名
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u32 serial_number; // シリアル番号
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} MbAuthCode; // 16byte
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static u8 key_buffer[AUTH_KEY_BUFFER_LEN] = {
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0x9E,0xC1,0xCC,0xC0,0x4A,0x6B,0xD0,0xA0,0x6D,0x62,0xED,0x5F,0x15,0x67,0x87,0x12,
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0xE6,0xF4,0x77,0x1F,0xD8,0x5C,0x81,0xCE,0x0C,0xD0,0x22,0x31,0xF5,0x89,0x08,0xF5,
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0xBE,0x04,0xCB,0xC1,0x4F,0x63,0xD9,0x5A,0x98,0xFF,0xEB,0x36,0x0F,0x9C,0x5D,0xAD,
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0x15,0xB9,0x99,0xFB,0xC6,0x86,0x2C,0x0A,0x0C,0xFC,0xE6,0x86,0x03,0x60,0xD4,0x87,
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0x28,0xD5,0x66,0x42,0x9C,0xF7,0x04,0x14,0x4E,0x6F,0x73,0x20,0xC3,0x3E,0x3F,0xF5,
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0x82,0x2E,0x78,0x18,0xD6,0xCD,0xD5,0xC2,0xDC,0xAA,0x1D,0x34,0x91,0xEC,0x99,0xC9,
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0xF7,0xBF,0xBF,0xA0,0x0E,0x1E,0xF0,0x25,0xF8,0x66,0x17,0x54,0x34,0x28,0x2D,0x28,
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0xA3,0xAE,0xF0,0xA9,0xFA,0x3A,0x70,0x56,0xD2,0x34,0xA9,0xC5,0x9E,0x5D,0xF5,0xE1
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};
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int ACSignDecrpto(void *output_buffer, MBDownloadFileInfo *download_file_info_buf)
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{
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return ACSign_Decrypto(output_buffer,
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((MbAuthCode *)(download_file_info_buf->auth_code))->sign,
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key_buffer);
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}
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int ACSignDigest(void *input_buffer, MBDownloadFileInfo *download_file_info_buf)
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{
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int ret_code;
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u8 digest_output_buffer[AUTH_BUFFER_LEN];
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ret_code = ACSign_Digest((void *)digest_output_buffer, // 出力領域 20 Bytes
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(void *)(download_file_info_buf->seg[0].recv_addr),
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(void *)(download_file_info_buf->seg[1].recv_addr),
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(int)(download_file_info_buf->seg[1].size),
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(void *)(download_file_info_buf->seg[2].recv_addr),
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(int)(download_file_info_buf->seg[2].size),
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((MbAuthCode *)(download_file_info_buf)->auth_code)->serial_number // serial_number
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);
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if( ret_code == 0 )
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{
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return ret_code; // failure
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}
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return ACSign_Compare(
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input_buffer, // ACSign_Decryptoの出力
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(void*)digest_output_buffer // ACSign_Digestの出力
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);
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}
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#if 0
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void* doAlloc( int size )
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{
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OSIntrMode nOSIntrMode;
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void* alloc = NULL;
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nOSIntrMode = OS_DisableInterrupts( );
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alloc = OS_Alloc( size );
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(void)OS_RestoreInterrupts( nOSIntrMode );
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return alloc;
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}
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void doFree( void* adrs )
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{
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OSIntrMode nOSIntrMode;
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nOSIntrMode = OS_DisableInterrupts( );
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OS_Free( adrs );
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(void)OS_RestoreInterrupts( nOSIntrMode );
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}
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void* doMemset( void* adrs, int val, int cnt )
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{
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return memset( adrs, val, cnt );
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}
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void* doMemcpy( void* dst, void* src, int cnt )
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{
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return memcpy( dst, src, cnt );
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}
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#endif
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