mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-22 22:38:08 +00:00
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
|
|
* This file is part of the Trezor project, https://trezor.io/
|
|
*
|
|
* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __FW_SIGNATURES_H__
|
|
#define __FW_SIGNATURES_H__
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
extern const uint32_t FIRMWARE_MAGIC_OLD; // TRZR
|
|
extern const uint32_t FIRMWARE_MAGIC_NEW; // TRZF
|
|
|
|
#define SIG_OK 0x5A3CA5C3
|
|
#define SIG_FAIL 0x00000000
|
|
|
|
bool firmware_present_old(void);
|
|
int signatures_old_ok(void);
|
|
|
|
// we use the same structure as T2 firmware header
|
|
// but we don't use the field sig
|
|
// and rather introduce fields sig1, sig2, sig3
|
|
// immediately following the chunk hashes
|
|
|
|
typedef struct {
|
|
uint32_t magic;
|
|
uint32_t hdrlen;
|
|
uint32_t expiry;
|
|
uint32_t codelen;
|
|
uint32_t version;
|
|
uint32_t fix_version;
|
|
uint8_t __reserved1[8];
|
|
uint8_t hashes[512];
|
|
uint8_t sig1[64];
|
|
uint8_t sig2[64];
|
|
uint8_t sig3[64];
|
|
uint8_t sigindex1;
|
|
uint8_t sigindex2;
|
|
uint8_t sigindex3;
|
|
uint8_t __reserved2[220];
|
|
uint8_t __sigmask;
|
|
uint8_t __sig[64];
|
|
} __attribute__((packed)) image_header;
|
|
|
|
#define FW_CHUNK_SIZE 65536
|
|
|
|
bool firmware_present_new(void);
|
|
void compute_firmware_fingerprint(const image_header *hdr, uint8_t hash[32]);
|
|
int signatures_new_ok(const image_header *hdr, uint8_t store_fingerprint[32]);
|
|
int check_firmware_hashes(const image_header *hdr);
|
|
|
|
int mem_is_empty(const uint8_t *src, uint32_t len);
|
|
|
|
#endif
|