mirror of
https://github.com/trezor/trezor-firmware.git
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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
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/*
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* This file is part of the TREZOR project.
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*
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* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <string.h>
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#include "serialno.h"
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#include "util.h"
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#include "sha2.h"
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#if defined(STM32F4) || defined(STM32F2)
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#define UNIQUE_SERIAL_ADDR 0x1FFF7A10
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#elif defined(STM32F3)
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#define UNIQUE_SERIAL_ADDR 0x1FFFF7AC
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#elif defined(STM32L1)
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#define UNIQUE_SERIAL_ADDR 0x1FF80050
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#else // STM32F1
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#define UNIQUE_SERIAL_ADDR 0x1FFFF7E8
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#endif
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void fill_serialno_fixed(char *s)
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{
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uint8_t uuid[32];
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memcpy(uuid, (uint8_t *)UNIQUE_SERIAL_ADDR, 12);
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memcpy(uuid + 12, (uint8_t *)UNIQUE_SERIAL_ADDR, 12);
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memcpy(uuid + 24, (uint8_t *)UNIQUE_SERIAL_ADDR, 8);
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sha256_Raw(uuid, 32, uuid);
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sha256_Raw(uuid, 32, uuid);
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data2hex(uuid, 12, s);
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}
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