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nxdumptool/source/gamecard.h
2020-04-24 05:38:13 -04:00

166 lines
6.8 KiB
C

/*
* Copyright (c) 2020 DarkMatterCore
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#ifndef __GAMECARD_H__
#define __GAMECARD_H__
#include "fs_ext.h"
#define GAMECARD_HEAD_MAGIC 0x48454144 /* "HEAD" */
#define GAMECARD_CERT_MAGIC 0x43455254 /* "CERT" */
#define GAMECARD_MEDIA_UNIT_SIZE 0x200
#define GAMECARD_HFS_PARTITION_NAME(x) ((x) == GameCardHashFileSystemPartitionType_Root ? "root" : ((x) == GameCardHashFileSystemPartitionType_Update ? "update" : \
((x) == GameCardHashFileSystemPartitionType_Logo ? "logo" : ((x) == GameCardHashFileSystemPartitionType_Normal ? "normal" : \
((x) == GameCardHashFileSystemPartitionType_Secure ? "secure" : "unknown")))))
typedef enum {
GameCardKekIndex_Version0 = 0,
GameCardKekIndex_VersionForDev = 1
} GameCardKekIndex;
typedef struct {
u8 kek_index : 4; ///< GameCardKekIndex.
u8 titlekey_dec_index : 4;
} GameCardKeyFlags;
typedef enum {
GameCardRomSize_1GiB = 0xFA,
GameCardRomSize_2GiB = 0xF8,
GameCardRomSize_4GiB = 0xF0,
GameCardRomSize_8GiB = 0xE0,
GameCardRomSize_16GiB = 0xE1,
GameCardRomSize_32GiB = 0xE2
} GameCardRomSize;
typedef struct {
u8 autoboot : 1;
u8 history_erase : 1;
u8 repair_tool : 1;
u8 different_region_cup_to_terra_device : 1;
u8 different_region_cup_to_global_device : 1;
} GameCardFlags;
typedef enum {
GameCardSelSec_ForT1 = 0,
GameCardSelSec_ForT2 = 1
} GameCardSelSec;
typedef enum {
GameCardFwVersion_Dev = 0,
GameCardFwVersion_Prod = 1,
GameCardFwVersion_Since400NUP = 2
} GameCardFwVersion;
typedef enum {
GameCardAccCtrl_25MHz = 0xA10011,
GameCardAccCtrl_50MHz = 0xA10010
} GameCardAccCtrl;
typedef enum {
GameCardCompatibilityType_Normal = 0,
GameCardCompatibilityType_Terra = 1
} GameCardCompatibilityType;
typedef struct {
u64 fw_version; ///< GameCardFwVersion.
u32 acc_ctrl; ///< GameCardAccCtrl.
u32 wait_1_time_read; ///< Always 0x1388.
u32 wait_2_time_read; ///< Always 0.
u32 wait_1_time_write; ///< Always 0.
u32 wait_2_time_write; ///< Always 0.
u32 fw_mode;
u32 upp_version;
u8 compatibility_type; ///< GameCardCompatibilityType.
u8 reserved_1[0x3];
u64 upp_hash;
u64 upp_id; ///< Must match GAMECARD_UPDATE_TID.
u8 reserved_2[0x38];
} GameCardExtendedHeader;
typedef struct {
u8 signature[0x100]; ///< RSA-2048 PKCS #1 signature over the rest of the header.
u32 magic; ///< "HEAD".
u32 secure_area_start_address; ///< Expressed in GAMECARD_MEDIA_UNIT_SIZE blocks.
u32 backup_area_start_address; ///< Always 0xFFFFFFFF.
GameCardKeyFlags key_flags;
u8 rom_size; ///< GameCardRomSize.
u8 header_version;
GameCardFlags flags;
u64 package_id;
u32 valid_data_end_address; ///< Expressed in GAMECARD_MEDIA_UNIT_SIZE blocks.
u8 reserved[0x4];
u8 iv[0x10];
u64 partition_fs_header_address; ///< Root HFS0 header offset.
u64 partition_fs_header_size; ///< Root HFS0 header size.
u8 partition_fs_header_hash[SHA256_HASH_SIZE];
u8 initial_data_hash[SHA256_HASH_SIZE];
u32 sel_sec; ///< GameCardSelSec.
u32 sel_t1_key_index;
u32 sel_key_index;
u32 normal_area_end_address; ///< Expressed in GAMECARD_MEDIA_UNIT_SIZE blocks.
GameCardExtendedHeader extended_header; ///< Encrypted using AES-128-CBC with 'xci_header_key', which can't dumped through current methods.
} GameCardHeader;
typedef enum {
GameCardHashFileSystemPartitionType_Root = 0,
GameCardHashFileSystemPartitionType_Update = 1,
GameCardHashFileSystemPartitionType_Logo = 2, ///< Only available in GameCardFwVersion_Since400NUP gamecards.
GameCardHashFileSystemPartitionType_Normal = 3,
GameCardHashFileSystemPartitionType_Secure = 4
} GameCardHashFileSystemPartitionType;
/// Initializes data needed to access raw gamecard storage areas.
/// Also spans a background thread to automatically detect gamecard status changes and to cache data from the inserted gamecard.
Result gamecardInitialize(void);
/// Deinitializes data generated by gamecardInitialize().
/// This includes destroying the background gamecard detection thread and freeing all cached gamecard data.
void gamecardExit(void);
/// Used to check if a gamecard has been inserted and if info could be loaded from it.
bool gamecardIsReady(void);
/// Used to read data from the inserted gamecard.
/// All required handles, changes between normal <-> secure storage areas and proper offset calculations are managed internally.
/// 'offset' + 'read_size' must not exceed the value returned by gamecardGetTotalSize().
bool gamecardReadStorage(void *out, u64 read_size, u64 offset);
/// Miscellaneous functions.
bool gamecardGetHeader(GameCardHeader *out);
bool gamecardGetTotalSize(u64 *out);
bool gamecardGetTrimmedSize(u64 *out);
bool gamecardGetRomCapacity(u64 *out); ///< Not the same as gamecardGetTotalSize().
bool gamecardGetCertificate(FsGameCardCertificate *out);
bool gamecardGetBundledFirmwareUpdateVersion(u32 *out);
/// Retrieves the entry count from a hash FS partition.
bool gamecardGetEntryCountFromHashFileSystemPartition(u8 hfs_partition_type, u32 *out_count);
/// Retrieves info from a hash FS partition entry using an entry index.
/// 'out_offset', 'out_size' or 'out_name' may be set to NULL, but at least one of them must be a valid pointer.
/// If 'out_name' != NULL and the function call succeeds, a pointer to a heap allocated buffer is returned.
bool gamecardGetEntryInfoFromHashFileSystemPartitionByIndex(u8 hfs_partition_type, u32 idx, u64 *out_offset, u64 *out_size, char **out_name);
/// Retrieves info from a hash FS partition entry using an entry name.
/// 'out_offset' or 'out_size' may be set to NULL, but at least one of them must be a valid pointer.
bool gamecardGetEntryInfoFromHashFileSystemPartitionByName(u8 hfs_partition_type, const char *name, u64 *out_offset, u64 *out_size);
#endif /* __GAMECARD_H__ */