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trezor-firmware/serialno.c
2014-04-29 14:38:32 +02:00

47 lines
1.4 KiB
C

/*
* This file is part of the TREZOR project.
*
* 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/>.
*/
#include <stdint.h>
#include <string.h>
#include "serialno.h"
#include "util.h"
#include "sha2.h"
#if defined(STM32F4) || defined(STM32F2)
#define UNIQUE_SERIAL_ADDR 0x1FFF7A10
#elif defined(STM32F3)
#define UNIQUE_SERIAL_ADDR 0x1FFFF7AC
#elif defined(STM32L1)
#define UNIQUE_SERIAL_ADDR 0x1FF80050
#else // STM32F1
#define UNIQUE_SERIAL_ADDR 0x1FFFF7E8
#endif
void fill_serialno_fixed(char *s)
{
uint8_t uuid[32];
memcpy(uuid, (uint8_t *)UNIQUE_SERIAL_ADDR, 12);
memcpy(uuid + 12, (uint8_t *)UNIQUE_SERIAL_ADDR, 12);
memcpy(uuid + 24, (uint8_t *)UNIQUE_SERIAL_ADDR, 8);
sha256_Raw(uuid, 32, uuid);
sha256_Raw(uuid, 32, uuid);
data2hex(uuid, 12, s);
}