Atmosphere/fusee/fusee-secondary/src/key_derivation.h
2019-04-07 19:00:49 -07:00

56 lines
1.6 KiB
C

/*
* Copyright (c) 2018-2019 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_KEYDERIVATION_H
#define FUSEE_KEYDERIVATION_H
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
typedef enum BisPartition {
BisPartition_Calibration = 0,
BisPartition_Safe = 1,
BisPartition_UserSystem = 2,
} BisPartition;
typedef struct {
union {
uint8_t keys[9][0x10];
struct {
uint8_t master_kek[0x10];
uint8_t _keys[7][0x10];
uint8_t package1_key[0x10];
};
};
} nx_dec_keyblob_t;
typedef struct nx_keyblob_t {
uint8_t mac[0x10];
uint8_t ctr[0x10];
union {
uint8_t data[0x90];
nx_dec_keyblob_t dec_blob;
};
} nx_keyblob_t;
int derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *keyblobs, uint32_t available_revision, const void *tsec_key, void *tsec_root_key, unsigned int *out_keygen_type);
int load_package1_key(uint32_t revision);
void finalize_nx_keydata(uint32_t target_firmware);
void derive_bis_key(void *dst, BisPartition partition_id, uint32_t target_firmware);
#endif