/* * 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);