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96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlFirm - format - sign
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File: sign.h
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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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$Date:: 2007-09-06$
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#ifndef FORMAT_SIGN_H_
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#define FORMAT_SIGN_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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// signed hash index
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typedef enum
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{
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FIRM_SIGNED_HASH_IDX_HEADER = 0,
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FIRM_SIGNED_HASH_IDX_ARM9 = 1,
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FIRM_SIGNED_HASH_IDX_ARM7 = 2,
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FIRM_SIGNED_HASH_IDX_HASH_TABLE = 3,
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FIRM_SIGNED_HASH_IDX_FINAL = 4,
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FIRM_SIGNED_HASH_NUM = 5
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}
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FIRMSignedHashIndex;
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#define ACS_BASE_BLOCK_SIZE 4096 // should be the multiple of 16
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#define ACS_META_BLOCK_SIZE 5120 // should be the multiple of 16 and the multiple of 20
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// would be the multiple of 512, then the mutilple of 2560
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#define ACS_PUBKEY_LEN 128
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#define ACS_HASH_LEN 20
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#define ACS_AES_LEN 16
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#define ACS_ENCRYPTED_HASH_LEN ACS_PUBKEY_LEN
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#define ACS_DECRYPTED_HASH_LEN ACS_HASH_LEN
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#define ACS_RSA_EXP 0x00010001
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#define ACS_RSA_EXP_LEN 3
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// DER format of RSA keys
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#define ACS_RSA_PRVMOD_OFFSET 0x0B
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#define ACS_RSA_PRVEXP_OFFSET 0x93
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#define ACS_RSA_PRVMOD_LEN 128
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#define ACS_RSA_PRVEXP_LEN 128
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#define ACS_RSA_PUBMOD_OFFSET 0x1D
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#define ACS_RSA_PUBEXP_OFFSET 0x93
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#define ACS_RSA_PUBMOD_LEN 128
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//#define ACS_RSA_PUBEXP_LEN ACS_RSA_EXP_LEN
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#define FIRM_HEADER_2ND_HASH_AREA_LEN (sizeof(FIRMSignedContext) - ACS_HASH_LEN)
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// <20><><EFBFBD><EFBFBD><EFBFBD>R<EFBFBD><52><EFBFBD>e<EFBFBD>L<EFBFBD>X<EFBFBD>g
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typedef struct
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{
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unsigned char aes_key[ACS_AES_LEN];
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unsigned char hash[FIRM_SIGNED_HASH_NUM][ACS_HASH_LEN];
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}
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FIRMSignedContext;
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// <20><><EFBFBD><EFBFBD>
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typedef union
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{
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struct
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{
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unsigned char prePad[(ACS_ENCRYPTED_HASH_LEN - sizeof(FIRMSignedContext))-1];
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FIRMSignedContext c;
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unsigned char postPad[1];
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}
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e;
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unsigned int raw[ACS_ENCRYPTED_HASH_LEN/4];
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}
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FIRMPaddedSign;
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif //FORMAT_SIGN_H_
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