mirror of
https://github.com/DarkStore-3DS/Project_CTR.git
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3DSGuy
95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
#ifndef _NCCH_H_
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#define _NCCH_H_
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#include <stdio.h>
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#include "types.h"
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#include "keyset.h"
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#include "filepath.h"
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#include "ctr.h"
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#include "exefs.h"
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#include "exheader.h"
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#include "settings.h"
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typedef enum
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{
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NCCHTYPE_EXHEADER = 1,
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NCCHTYPE_EXEFS = 2,
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NCCHTYPE_ROMFS = 3,
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} ctr_ncchtypes;
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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 contentsize[4];
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u8 partitionid[8];
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u8 makercode[2];
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u8 version[2];
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u8 reserved0[4];
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u8 programid[8];
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u8 tempflag;
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u8 reserved1[0x2f];
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u8 productcode[0x10];
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u8 extendedheaderhash[0x20];
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u8 extendedheadersize[4];
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u8 reserved2[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 reserved3[8];
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u8 exefsoffset[4];
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u8 exefssize[4];
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u8 exefshashregionsize[4];
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u8 reserved4[4];
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u8 romfsoffset[4];
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u8 romfssize[4];
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u8 romfshashregionsize[4];
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u8 reserved5[4];
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u8 exefssuperblockhash[0x20];
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u8 romfssuperblockhash[0x20];
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} ctr_ncchheader;
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typedef struct
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{
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FILE* file;
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u8 key[16];
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u32 encrypted;
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u32 offset;
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u32 size;
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settings* usersettings;
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ctr_ncchheader header;
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ctr_aes_context aes;
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exefs_context exefs;
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exheader_context exheader;
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int exefshashcheck;
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int romfshashcheck;
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int exheaderhashcheck;
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int headersigcheck;
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u32 extractsize;
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u32 extractflags;
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} ncch_context;
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void ncch_init(ncch_context* ctx);
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void ncch_process(ncch_context* ctx, u32 actions);
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void ncch_set_offset(ncch_context* ctx, u32 offset);
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void ncch_set_size(ncch_context* ctx, u32 size);
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void ncch_set_file(ncch_context* ctx, FILE* file);
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void ncch_set_usersettings(ncch_context* ctx, settings* usersettings);
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u32 ncch_get_exefs_offset(ncch_context* ctx);
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u32 ncch_get_exefs_size(ncch_context* ctx);
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u32 ncch_get_romfs_offset(ncch_context* ctx);
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u32 ncch_get_romfs_size(ncch_context* ctx);
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u32 ncch_get_exheader_offset(ncch_context* ctx);
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u32 ncch_get_exheader_size(ncch_context* ctx);
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void ncch_print(ncch_context* ctx);
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int ncch_signature_verify(ncch_context* ctx, rsakey2048* key);
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void ncch_verify(ncch_context* ctx, u32 flags);
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void ncch_save(ncch_context* ctx, u32 type, u32 flags);
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int ncch_extract_prepare(ncch_context* ctx, u32 type, u32 flags);
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int ncch_extract_buffer(ncch_context* ctx, u8* buffer, u32 buffersize, u32* outsize);
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u32 ncch_get_mediaunit_size(ncch_context* ctx);
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void ncch_get_counter(ncch_context* ctx, u8 counter[16], u8 type);
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void ncch_determine_key(ncch_context* ctx, u32 actions);
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#endif // _NCCH_H_
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