nxdumptool/source/fs_ext.h

/*
 * fs_ext.h
 *
 * Copyright (c) 2020-2021, DarkMatterCore <pabloacurielz@gmail.com>.
 *
 * This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
 *
 * nxdumptool 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.
 *
 * nxdumptool 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 __FS_EXT_H__
#define __FS_EXT_H__

#ifdef __cplusplus
extern "C" {
#endif

#define GAMECARD_CERT_MAGIC 0x43455254  /* "CERT". */

/// Located at offset 0x7000 in the gamecard image.
typedef struct {
    u8 signature[0x100];        ///< RSA-2048-PSS with SHA-256 signature over the rest of the data.
    u32 magic;                  ///< "CERT".
    u8 reserved_1[0x4];
    u8 kek_index;
    u8 reserved_2[0x7];
    u8 device_id[0x10];
    u8 reserved_3[0x10];
    u8 encrypted_data[0xD0];
} FsGameCardCertificate;

NXDT_ASSERT(FsGameCardCertificate, 0x200);

/// IFileSystemProxy.
Result fsOpenGameCardStorage(FsStorage *out, const FsGameCardHandle *handle, u32 partition);
Result fsOpenGameCardDetectionEventNotifier(FsEventNotifier *out);

/// IDeviceOperator.
Result fsDeviceOperatorUpdatePartitionInfo(FsDeviceOperator *d, const FsGameCardHandle *handle, u32 *out_title_version, u64 *out_title_id);
Result fsDeviceOperatorGetGameCardDeviceCertificate(FsDeviceOperator *d, const FsGameCardHandle *handle, FsGameCardCertificate *out);

#ifdef __cplusplus
}
#endif

#endif /* __FS_EXT_H__ */