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trezor-firmware/legacy/common.h

50 lines
1.5 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_COMMON_H__
#define __TREZORHAL_COMMON_H__
#include <stddef.h>
#include <stdint.h>
#include "secbool.h"
#define HW_ENTROPY_LEN (12 + 32)
extern uint8_t HW_ENTROPY_DATA[HW_ENTROPY_LEN];
void __attribute__((noreturn))
__fatal_error(const char *msg, const char *file, int line);
void __attribute__((noreturn))
error_shutdown(const char *line1, const char *line2, const char *line3,
const char *line4);
void show_wipe_code_screen(void);
void show_pin_too_many_screen(void);
#define ensure(expr, msg) \
(((expr) == sectrue) ? (void)0 : __fatal_error(msg, __FILE__, __LINE__))
void hal_delay(uint32_t ms);
uint32_t hal_ticks_ms(void);
void drbg_init(void);
void drbg_reseed(const uint8_t *entropy, size_t len);
void drbg_generate(uint8_t *buf, size_t len);
uint32_t drbg_random32(void);
#endif