mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-26 04:06:03 +00:00
82 lines
3.3 KiB
C
82 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef FUSEE_DEVICE_PARTITION_H
|
|
#define FUSEE_DEVICE_PARTITION_H
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#define DEVPART_IV_MAX_SIZE 16
|
|
#define DEVPART_KEY_MAX 2
|
|
#define DEVPART_KEY_MAX_SIZE 16
|
|
|
|
struct device_partition_t;
|
|
|
|
typedef int (*device_partition_initializer_t)(struct device_partition_t *devpart);
|
|
typedef void (*device_partition_finalizer_t)(struct device_partition_t *devpart);
|
|
|
|
/* Note: only random-access ciphers supporting in-place encryption/decryption are supported */
|
|
typedef int (*device_partition_cipher_t)(struct device_partition_t *devpart, uint64_t sector, uint64_t num_sectors);
|
|
|
|
typedef int (*device_partition_reader_t)(struct device_partition_t *devpart, void *dst, uint64_t sector, uint64_t num_sectors);
|
|
typedef int (*device_partition_writer_t)(struct device_partition_t *devpart, const void *src, uint64_t sector, uint64_t num_sectors);
|
|
|
|
typedef enum DevicePartitionCryptoMode {
|
|
DevicePartitionCryptoMode_None,
|
|
DevicePartitionCryptoMode_Ctr,
|
|
DevicePartitionCryptoMode_Xts,
|
|
} DevicePartitionCryptoMode;
|
|
|
|
typedef struct device_partition_t {
|
|
size_t sector_size; /* The size of a sector */
|
|
uint64_t start_sector; /* Offset in the parent device, in sectors. */
|
|
uint64_t num_sectors; /* Maximum size of the partition, in sectors (optional). */
|
|
|
|
device_partition_cipher_t read_cipher; /* Cipher for read operations. */
|
|
device_partition_cipher_t write_cipher; /* Cipher for write operations. */
|
|
DevicePartitionCryptoMode crypto_mode; /* Mode to use for cryptographic operations. */
|
|
size_t crypto_sector_size;
|
|
|
|
device_partition_initializer_t initializer; /* Initializer. */
|
|
device_partition_finalizer_t finalizer; /* Finalizer. */
|
|
|
|
device_partition_reader_t reader; /* Reader. */
|
|
device_partition_writer_t writer; /* Writer. */
|
|
|
|
void *device_struct; /* Pointer to struct for additional info. */
|
|
|
|
void *crypto_work_buffer; /* Work buffer for crypto. */
|
|
uint64_t crypto_work_buffer_num_sectors; /* Size of the crypto work buffer in sectors. */
|
|
|
|
uint8_t __attribute__((aligned(16))) keys[DEVPART_KEY_MAX][DEVPART_KEY_MAX_SIZE]; /* Key. */
|
|
uint8_t __attribute__((aligned(16))) iv[DEVPART_IV_MAX_SIZE]; /* IV. */
|
|
bool initialized;
|
|
|
|
/* Emulation only. */
|
|
bool is_emulated;
|
|
bool emu_use_file;
|
|
char emu_root_path[0x100 + 1];
|
|
char emu_file_path[0x300 + 1];
|
|
int emu_num_parts;
|
|
uint64_t emu_part_limit;
|
|
} device_partition_t;
|
|
|
|
int device_partition_read_data(device_partition_t *devpart, void *dst, uint64_t sector, uint64_t num_sectors);
|
|
int device_partition_write_data(device_partition_t *devpart, const void *src, uint64_t sector, uint64_t num_sectors);
|
|
|
|
#endif
|