mirror of
https://github.com/DarkStore-3DS/Project_CTR.git
synced 2026-07-03 00:39:14 +00:00
jakcron
148 lines
3.1 KiB
C
148 lines
3.1 KiB
C
#pragma once
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typedef enum
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{
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NCCH_MEMERROR = -1,
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SAVE_DATA_TOO_LARGE = -2,
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NCCH_SECTION_NOT_EXIST = -3,
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UNABLE_TO_LOAD_NCCH_KEY = -4,
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NCCH_EXPORT_BUFFER_TOO_SMALL = -5,
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NO_ROMFS_IN_CFA = -6,
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NO_EXHEADER_IN_CXI = -7,
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NO_EXEFS_IN_CXI = -8,
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// SigCheck Errors
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CXI_CORRUPT = -9,
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ACCESSDESC_SIG_BAD = -10,
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NCCH_HDR_SIG_BAD = -11,
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// HashCheck Errors
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EXHDR_CORRUPT = -12,
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LOGO_CORRUPT = -13,
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EXEFS_CORRUPT = -14,
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ROMFS_CORRUPT = -15,
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// Others
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NCCH_BAD_RSF_SET = -16,
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DATA_POS_DNE = -17,
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} ncch_errors;
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typedef enum
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{
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ncch_exhdr = 1,
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ncch_exefs,
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ncch_romfs,
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} ncch_section;
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typedef enum
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{
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ncchflag_CONTENT_KEYX = 3,
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ncchflag_CONTENT_PLATFORM = 4,
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ncchflag_CONTENT_TYPE = 5,
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ncchflag_CONTENT_BLOCK_SIZE = 6,
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ncchflag_OTHER_FLAG = 7
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} ncch_flags;
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typedef enum
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{
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otherflag_Clear = 0,
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otherflag_FixedCryptoKey = (1 << 0),
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otherflag_NoMountRomFs = (1 << 1),
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otherflag_NoCrypto = (1 << 2),
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} ncch_otherflag_bitmask;
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typedef enum
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{
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form_Unassigned,
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form_SimpleContent,
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form_ExecutableWithoutRomfs,
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form_Executable
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} ncch_form_type;
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typedef enum
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{
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content_Application,
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content_SystemUpdate,
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content_Manual,
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content_Child,
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content_Trial,
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content_ExtendedSystemUpdate
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} ncch_content_bitmask;
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typedef enum
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{
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platform_CTR = 0x1,
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platform_SNAKE = 0x2
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} ncch_platform;
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typedef struct
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{
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u16 formatVersion;
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u32 exhdrOffset;
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u32 exhdrSize;
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u32 acexOffset;
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u32 acexSize;
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u64 logoOffset;
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u64 logoSize;
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u64 plainRegionOffset;
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u64 plainRegionSize;
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u64 exefsOffset;
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u64 exefsSize;
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u64 exefsHashDataSize;
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u64 romfsOffset;
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u64 romfsSize;
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u64 romfsHashDataSize;
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u64 titleId;
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u64 programId;
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} ncch_info;
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typedef struct
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{
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u8 signature[0x100];
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u8 magic[4];
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u8 ncchSize[4];
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u8 titleId[8];
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u8 makerCode[2];
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u8 formatVersion[2];
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u8 padding0[4];
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u8 programId[8];
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u8 padding1[0x10];
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u8 logoHash[0x20]; // SHA-256 over the entire logo region
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u8 productCode[0x10];
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u8 exhdrHash[0x20]; // SHA-256 over exhdrSize of the exhdr region
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u8 exhdrSize[4];
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u8 padding2[4];
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u8 flags[8];
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u8 plainRegionOffset[4];
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u8 plainRegionSize[4];
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u8 logoOffset[4];
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u8 logoSize[4];
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u8 exefsOffset[4];
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u8 exefsSize[4];
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u8 exefsHashSize[4];
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u8 padding4[4];
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u8 romfsOffset[4];
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u8 romfsSize[4];
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u8 romfsHashSize[4];
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u8 padding5[4];
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u8 exefsHash[0x20];
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u8 romfsHash[0x20];
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} ncch_hdr;
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// NCCH Read Functions
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int VerifyNcch(u8 *ncch, keys_struct *keys, bool checkHash, bool suppressOutput);
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int ModifyNcchIds(u8 *ncch, u8 *titleId, u8 *programId, keys_struct *keys);
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void ReadNcchHdr(ncch_hdr *hdr, FILE *fp);
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u8* GetNcchHdrSig(ncch_hdr *hdr);
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u8* GetNcchHdrData(ncch_hdr *hdr);
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u32 GetNcchHdrSigLen(ncch_hdr *hdr);
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u32 GetNcchHdrDataLen(ncch_hdr *hdr);
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bool IsNcch(FILE *fp, u8 *buf);
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bool IsCfa(ncch_hdr* hdr);
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bool IsUpdateCfa(ncch_hdr* hdr);
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u32 GetNcchBlockSize(ncch_hdr* hdr);
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u64 GetNcchSize(ncch_hdr* hdr);
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bool IsNcchEncrypted(ncch_hdr *hdr);
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bool SetNcchKeys(keys_struct *keys, ncch_hdr *hdr);
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int GetNcchInfo(ncch_info *ctx, ncch_hdr *header);
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void GetNcchAesCounter(u8 ctr[16], u64 titleId, u8 type);
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void CryptNcchRegion(u8 *buffer, u64 size, u64 src_pos, u64 titleId, u8 key[16], u8 type); |