mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-14 03:30:02 +00:00
41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
|
/*
|
||
|
|
* This file is part of the Trezor project, https://trezor.io/
|
||
|
|
*
|
||
|
|
* Copyright (c) SatoshiLabs
|
||
|
|
*
|
||
|
|
* This program is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that 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
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include "secbool.h"
|
||
|
|
|
||
|
|
// Protection against bootloader downgrade
|
||
|
|
|
||
|
|
// Ensures bootloader version is stored in monotonic counter
|
||
|
|
// If the version cannot be written, the function will shutdown the device
|
||
|
|
void ensure_bootloader_min_version(void);
|
||
|
|
|
||
|
|
// Protection against firmware downgrade
|
||
|
|
|
||
|
|
// This functions checks if the firmware version is at least the minimum
|
||
|
|
// required version, returns sectrue if check_version is higher or equal to the
|
||
|
|
// stored version
|
||
|
|
secbool check_firmware_min_version(uint8_t check_version);
|
||
|
|
|
||
|
|
// Ensures firmware version is stored in monotonic counter
|
||
|
|
// If the version cannot be written, the function will shutdown the device
|
||
|
|
void ensure_firmware_min_version(uint8_t version);
|