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trezor-firmware/serialno.c

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/*
* 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>
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#include <libopencm3/stm32/desig.h>
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#include "serialno.h"
#include "util.h"
#include "sha2.h"
void fill_serialno_fixed(char *s)
{
uint8_t uuid[32];
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desig_get_unique_id((uint32_t *)uuid);
sha256_Raw(uuid, 12, uuid);
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sha256_Raw(uuid, 32, uuid);
data2hex(uuid, 12, s);
}