mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-25 08:58:14 +00:00
65 lines
2.4 KiB
C
65 lines
2.4 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/>.
|
|
*/
|
|
|
|
#ifndef TREZORHAL_FWUTILS_H
|
|
#define TREZORHAL_FWUTILS_H
|
|
|
|
#include <trezor_types.h>
|
|
|
|
// Callback function for firmware hash calculation.
|
|
typedef void (*firmware_hash_callback_t)(void* context, uint32_t progress,
|
|
uint32_t total);
|
|
|
|
// Calculates hash of the firmware area.
|
|
//
|
|
// `challenge` is a optional pointer to the challenge data.
|
|
// `challenge_len` is the length of the challenge data (1..32).
|
|
// `hash` is a pointer to a buffer where the hash will be stored.
|
|
// `hash_len` is size of the buffer (must be at least 32).
|
|
// `callback` is an optional callback function that will be called during the
|
|
// hash calculation.
|
|
// `callback_context` is a pointer that will be passed to the callback function.
|
|
//
|
|
// Returns `sectrue` if the hash was calculated successfully, `secfalse`
|
|
// otherwise.
|
|
secbool firmware_calc_hash(const uint8_t* challenge, size_t challenge_len,
|
|
uint8_t* hash, size_t hash_len,
|
|
firmware_hash_callback_t callback,
|
|
void* callback_context);
|
|
|
|
// Reads the firmware vendor string from the header in the firmware area.
|
|
//
|
|
// `buff` is a pointer to a buffer where the vendor string will be stored.
|
|
// `buff_size` is the length of the buffer (reserve at least 64 bytes).
|
|
//
|
|
// Returns `sectrue` if the vendor string was read successfully, `secfalse`
|
|
// otherwise.
|
|
secbool firmware_get_vendor(char* buff, size_t buff_size);
|
|
|
|
#ifdef KERNEL_MODE
|
|
|
|
// Invalidates the firmware by erasing the first 1KB of the firmware area.
|
|
//
|
|
// Note: only works when write access to firmware area is enabled by MPU
|
|
void firmware_invalidate_header(void);
|
|
|
|
#endif // KERNEL_MODE
|
|
|
|
#endif // TREZORHAL_FWUTILS_H
|