mirror of
https://github.com/DarkMatterCore/nxdumptool.git
synced 2024-10-18 19:31:43 +01:00
415 lines
12 KiB
C
415 lines
12 KiB
C
#pragma once
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#ifndef __NCA_H__
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#define __NCA_H__
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#include <switch.h>
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#define NCA3_MAGIC (u32)0x4E434133 // "NCA3"
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#define NCA2_MAGIC (u32)0x4E434132 // "NCA2"
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#define NCA_HEADER_LENGTH 0x400
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#define NCA_SECTION_HEADER_LENGTH 0x200
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#define NCA_SECTION_HEADER_CNT 4
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#define NCA_FULL_HEADER_LENGTH (NCA_HEADER_LENGTH + (NCA_SECTION_HEADER_LENGTH * NCA_SECTION_HEADER_CNT))
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#define NCA_CONTENT_TYPE_DELTA 0x06
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#define NCA_AES_XTS_SECTOR_SIZE 0x200
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#define NCA_KEY_AREA_KEY_CNT 4
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#define NCA_KEY_AREA_KEY_SIZE 0x10
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#define NCA_KEY_AREA_SIZE (NCA_KEY_AREA_KEY_CNT * NCA_KEY_AREA_KEY_SIZE)
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#define NCA_FS_HEADER_PARTITION_PFS0 0x01
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#define NCA_FS_HEADER_FSTYPE_PFS0 0x02
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#define NCA_FS_HEADER_PARTITION_ROMFS 0x00
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#define NCA_FS_HEADER_FSTYPE_ROMFS 0x03
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#define NCA_FS_HEADER_CRYPT_NONE 0x01
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#define NCA_FS_HEADER_CRYPT_XTS 0x02
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#define NCA_FS_HEADER_CRYPT_CTR 0x03
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#define NCA_FS_HEADER_CRYPT_BKTR 0x04
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#define PFS0_MAGIC (u32)0x50465330 // "PFS0"
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#define IVFC_MAGIC (u32)0x49564643 // "IVFC"
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#define IVFC_MAX_LEVEL 6
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#define ROMFS_HEADER_SIZE 0x50
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#define ROMFS_ENTRY_EMPTY (u32)0xFFFFFFFF
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#define ROMFS_NONAME_DIRENTRY_SIZE 0x18
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#define ROMFS_NONAME_FILEENTRY_SIZE 0x20
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#define ROMFS_ENTRY_DIR 1
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#define ROMFS_ENTRY_FILE 2
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#define META_MAGIC (u32)0x4D455441 // "META"
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#define NPDM_SIGNATURE_SIZE 0x100
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#define NPDM_SIGNATURE_AREA_SIZE 0x200
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#define NSP_NCA_FILENAME_LENGTH 0x25 // NCA ID + ".nca" + NULL terminator
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#define NSP_CNMT_FILENAME_LENGTH 0x2A // NCA ID + ".cnmt.nca" / ".cnmt.xml" + NULL terminator
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#define NSP_NACP_FILENAME_LENGTH 0x2A // NCA ID + ".nacp.xml" + NULL terminator
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#define NSP_TIK_FILENAME_LENGTH 0x25 // Rights ID + ".tik" + NULL terminator
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#define NSP_CERT_FILENAME_LENGTH 0x26 // Rights ID + ".cert" + NULL terminator
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#define ETICKET_ENTRY_SIZE 0x400
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#define ETICKET_TITLEKEY_OFFSET 0x180
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#define ETICKET_RIGHTSID_OFFSET 0x2A0
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#define ETICKET_UNKNOWN_FIELD_SIZE 0x140
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#define ETICKET_DATA_OFFSET 0x140
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#define ETICKET_CA_CERT_SIZE 0x400
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#define ETICKET_XS_CERT_SIZE 0x300
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#define ETICKET_TIK_FILE_SIZE (ETICKET_ENTRY_SIZE - 0x140)
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#define ETICKET_CERT_FILE_SIZE (ETICKET_CA_CERT_SIZE + ETICKET_XS_CERT_SIZE)
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#define ETICKET_TITLEKEY_COMMON 0
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#define ETICKET_TITLEKEY_PERSONALIZED 1
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typedef enum {
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DUMP_APP_NSP = 0,
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DUMP_PATCH_NSP,
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DUMP_ADDON_NSP
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} nspDumpType;
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typedef struct {
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u32 magic;
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u32 file_cnt;
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u32 str_table_size;
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u32 reserved;
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} PACKED pfs0_header;
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typedef struct {
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u64 file_offset;
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u64 file_size;
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u32 filename_offset;
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u32 reserved;
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} PACKED pfs0_entry_table;
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typedef struct {
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u32 media_start_offset;
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u32 media_end_offset;
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u8 _0x8[0x8]; /* Padding. */
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} PACKED nca_section_entry_t;
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typedef struct {
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u8 master_hash[0x20]; /* SHA-256 hash of the hash table. */
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u32 block_size; /* In bytes. */
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u32 always_2;
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u64 hash_table_offset; /* Normally zero. */
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u64 hash_table_size;
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u64 pfs0_offset;
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u64 pfs0_size;
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u8 _0x48[0xF0];
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} PACKED pfs0_superblock_t;
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typedef struct {
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u64 logical_offset;
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u64 hash_data_size;
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u32 block_size;
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u32 reserved;
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} PACKED ivfc_level_hdr_t;
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typedef struct {
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u32 magic;
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u32 id;
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u32 master_hash_size;
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u32 num_levels;
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ivfc_level_hdr_t level_headers[IVFC_MAX_LEVEL];
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u8 _0xA0[0x20];
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u8 master_hash[0x20];
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} PACKED ivfc_hdr_t;
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typedef struct {
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ivfc_hdr_t ivfc_header;
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u8 _0xE0[0x58];
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} PACKED romfs_superblock_t;
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/* NCA FS header. */
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typedef struct {
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u8 _0x0;
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u8 _0x1;
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u8 partition_type;
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u8 fs_type;
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u8 crypt_type;
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u8 _0x5[0x3];
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union { /* FS-specific superblock. Size = 0x138. */
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pfs0_superblock_t pfs0_superblock;
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romfs_superblock_t romfs_superblock;
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};
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union {
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u8 section_ctr[0x8];
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struct {
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u32 section_ctr_low;
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u32 section_ctr_high;
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};
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};
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u8 _0x148[0xB8]; /* Padding. */
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} PACKED nca_fs_header_t;
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/* Nintendo content archive header. */
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typedef struct {
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u8 fixed_key_sig[0x100]; /* RSA-PSS signature over header with fixed key. */
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u8 npdm_key_sig[0x100]; /* RSA-PSS signature over header with key in NPDM. */
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u32 magic;
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u8 distribution; /* System vs gamecard. */
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u8 content_type;
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u8 crypto_type; /* Which keyblob (field 1) */
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u8 kaek_ind; /* Which kaek index? */
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u64 nca_size; /* Entire archive size. */
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u64 title_id;
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u8 _0x218[0x4]; /* Padding. */
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union {
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u32 sdk_version; /* What SDK was this built with? */
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struct {
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u8 sdk_revision;
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u8 sdk_micro;
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u8 sdk_minor;
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u8 sdk_major;
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};
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};
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u8 crypto_type2; /* Which keyblob (field 2) */
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u8 _0x221[0xF]; /* Padding. */
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u8 rights_id[0x10]; /* Rights ID (for titlekey crypto). */
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nca_section_entry_t section_entries[4]; /* Section entry metadata. */
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u8 section_hashes[4][0x20]; /* SHA-256 hashes for each section header. */
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u8 nca_keys[4][0x10]; /* Key area (encrypted) */
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u8 _0x340[0xC0]; /* Padding. */
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nca_fs_header_t fs_headers[4]; /* FS section headers. */
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} PACKED nca_header_t;
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typedef struct {
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u32 magic;
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u32 _0x4;
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u32 _0x8;
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u8 mmu_flags;
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u8 _0xD;
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u8 main_thread_prio;
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u8 default_cpuid;
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u64 _0x10;
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u32 process_category;
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u32 main_stack_size;
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char title_name[0x50];
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u32 aci0_offset;
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u32 aci0_size;
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u32 acid_offset;
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u32 acid_size;
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} PACKED npdm_t;
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typedef struct {
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u64 title_id;
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u32 version;
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u8 type;
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u8 unk1;
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u16 table_offset;
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u16 content_records_cnt;
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u16 meta_records_cnt;
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u8 unk2[12];
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} PACKED cnmt_header;
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typedef struct {
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u64 patch_tid; /* Patch TID / Original TID / Application TID */
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u32 min_sysver; /* Minimum system/application version */
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} PACKED cnmt_extended_header;
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typedef struct {
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u8 hash[0x20];
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u8 nca_id[0x10];
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u8 size[6];
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u8 type;
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u8 unk;
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} PACKED cnmt_content_record;
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typedef struct {
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u8 type;
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u64 title_id;
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u32 version;
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u32 required_dl_sysver;
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u32 nca_cnt;
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u8 digest[32];
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char digest_str[65];
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u8 min_keyblob;
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u32 min_sysver;
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u64 patch_tid;
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} PACKED cnmt_xml_program_info;
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typedef struct {
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u8 type;
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u8 nca_id[16];
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char nca_id_str[33];
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u64 size;
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u8 hash[32];
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char hash_str[65];
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u8 keyblob;
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u8 decrypted_nca_keys[NCA_KEY_AREA_SIZE];
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u8 encrypted_header_mod[NCA_FULL_HEADER_LENGTH];
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} PACKED cnmt_xml_content_info;
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typedef struct {
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u8 *hash_table;
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u64 hash_table_offset; // Relative to NCA start
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u64 hash_table_size;
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u8 block_mod_cnt;
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u8 *block_data[2];
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u64 block_offset[2]; // Relative to NCA start
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u64 block_size[2];
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} PACKED nca_program_mod_data;
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typedef struct {
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u64 section_offset; // Relative to NCA start
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u64 section_size;
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u64 hash_table_offset; // Relative to NCA start
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u64 pfs0_offset; // Relative to NCA start
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u64 pfs0_size;
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u64 title_cnmt_offset; // Relative to NCA start
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u64 title_cnmt_size;
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} PACKED nca_cnmt_mod_data;
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typedef struct {
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u32 sig_type;
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u8 signature[0x100];
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u8 padding[0x3C];
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char sig_issuer[0x40];
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u8 titlekey_block[0x100];
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u8 unk1;
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u8 titlekey_type;
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u8 unk2[0x03];
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u8 master_key_rev;
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u8 unk3[0x0A];
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u64 ticket_id;
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u64 device_id;
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u8 rights_id[0x10];
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u32 account_id;
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u8 unk4[0x0C];
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} PACKED rsa2048_sha256_ticket;
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typedef struct {
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bool has_rights_id;
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u8 rights_id[0x10];
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char rights_id_str[33];
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char tik_filename[37];
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char cert_filename[38];
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u8 enc_titlekey[0x10];
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u8 dec_titlekey[0x10];
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u8 cert_data[ETICKET_CERT_FILE_SIZE];
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rsa2048_sha256_ticket tik_data;
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} PACKED title_rights_ctx;
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typedef struct {
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NcmContentStorage ncmStorage;
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NcmNcaId ncaId;
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Aes128CtrContext aes_ctx;
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u64 exefs_offset; // Relative to NCA start
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u64 exefs_size;
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pfs0_header exefs_header;
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u64 exefs_entries_offset; // Relative to NCA start
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pfs0_entry_table *exefs_entries;
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u64 exefs_str_table_offset; // Relative to NCA start
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char *exefs_str_table;
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u64 exefs_data_offset; // Relative to NCA start
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} PACKED exefs_ctx_t;
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typedef struct {
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NcmContentStorage ncmStorage;
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NcmNcaId ncaId;
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Aes128CtrContext aes_ctx;
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u64 romfs_offset; // Relative to NCA start
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u64 romfs_size;
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u64 romfs_dirtable_offset; // Relative to NCA start
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u64 romfs_dirtable_size;
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romfs_dir *romfs_dir_entries;
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u64 romfs_filetable_offset; // Relative to NCA start
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u64 romfs_filetable_size;
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romfs_file *romfs_file_entries;
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u64 romfs_filedata_offset; // Relative to NCA start
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} PACKED romfs_ctx_t;
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typedef struct {
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u8 type; // 1 = Dir, 2 = File
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u64 offset; // Relative to directory/file table, depending on type
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} PACKED romfs_browser_entry;
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typedef struct {
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NacpLanguageEntry lang[16];
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char Isbn[0x25];
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u8 StartupUserAccount;
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u8 UserAccountSwitchLock;
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u8 AddOnContentRegistrationType;
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u32 AttributeFlag;
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u32 SupportedLanguageFlag;
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u32 ParentalControlFlag;
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u8 Screenshot;
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u8 VideoCapture;
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u8 DataLossConfirmation;
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u8 PlayLogPolicy;
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u64 PresenceGroupId;
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u8 RatingAge[0x20];
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char DisplayVersion[0x10];
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u64 AddOnContentBaseId;
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u64 SaveDataOwnerId;
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u64 UserAccountSaveDataSize;
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u64 UserAccountSaveDataJournalSize;
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u64 DeviceSaveDataSize;
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u64 DeviceSaveDataJournalSize;
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u64 BcatDeliveryCacheStorageSize;
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char ApplicationErrorCodeCategory[0x8];
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u64 LocalCommunicationId[0x8];
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u8 LogoType;
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u8 LogoHandling;
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u8 RuntimeAddOnContentInstall;
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u8 _0x30F3[0x3];
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u8 CrashReport;
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u8 Hdcp;
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u64 SeedForPseudoDeviceId;
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char BcatPassphrase[0x41];
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u8 StartupUserAccountOptionFlag;
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u8 ReservedForUserAccountSaveDataOperation[0x6];
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u64 UserAccountSaveDataSizeMax;
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u64 UserAccountSaveDataJournalSizeMax;
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u64 DeviceSaveDataSizeMax;
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u64 DeviceSaveDataJournalSizeMax;
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u64 TemporaryStorageSize;
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u64 CacheStorageSize;
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u64 CacheStorageJournalSize;
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u64 CacheStorageDataAndJournalSizeMax;
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u16 CacheStorageIndexMax;
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u8 reserved_0x318a[0x6];
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u64 PlayLogQueryableApplicationId[0x10];
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u8 PlayLogQueryCapability;
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u8 RepairFlag;
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u8 ProgramIndex;
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u8 RequiredNetworkServiceLicenseOnLaunchFlag;
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u8 Reserved[0xDEC];
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} PACKED nacp_t;
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void generateCnmtXml(cnmt_xml_program_info *xml_program_info, cnmt_xml_content_info *xml_content_info, char *out);
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void convertNcaSizeToU64(const u8 size[0x6], u64 *out);
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void convertU64ToNcaSize(const u64 size, u8 out[0x6]);
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bool processNcaCtrSectionBlock(NcmContentStorage *ncmStorage, const NcmNcaId *ncaId, u64 offset, void *outBuf, size_t bufSize, Aes128CtrContext *ctx, bool encrypt);
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bool encryptNcaHeader(nca_header_t *input, u8 *outBuf, u64 outBufSize);
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bool decryptNcaHeader(const u8 *ncaBuf, u64 ncaBufSize, nca_header_t *out, title_rights_ctx *rights_info, u8 *decrypted_nca_keys, bool retrieveTitleKeyData);
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bool processProgramNca(NcmContentStorage *ncmStorage, const NcmNcaId *ncaId, nca_header_t *dec_nca_header, cnmt_xml_content_info *xml_content_info, nca_program_mod_data *output);
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bool retrieveCnmtNcaData(FsStorageId curStorageId, nspDumpType selectedNspDumpType, u8 *ncaBuf, cnmt_xml_program_info *xml_program_info, cnmt_xml_content_info *xml_content_info, nca_cnmt_mod_data *output, title_rights_ctx *rights_info, bool replaceKeyArea);
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bool patchCnmtNca(u8 *ncaBuf, u64 ncaBufSize, cnmt_xml_program_info *xml_program_info, cnmt_xml_content_info *xml_content_info, nca_cnmt_mod_data *cnmt_mod);
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bool readExeFsEntryFromNca(NcmContentStorage *ncmStorage, const NcmNcaId *ncaId, nca_header_t *dec_nca_header, u8 *decrypted_nca_keys);
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bool readRomFsEntryFromNca(NcmContentStorage *ncmStorage, const NcmNcaId *ncaId, nca_header_t *dec_nca_header, u8 *decrypted_nca_keys);
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bool generateNacpXmlFromNca(NcmContentStorage *ncmStorage, const NcmNcaId *ncaId, nca_header_t *dec_nca_header, u8 *decrypted_nca_keys, char **outBuf);
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#endif
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