/*
* 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 .
*/
#ifndef __STORAGE_H__
#define __STORAGE_H__
#include
#include
#include "secbool.h"
// The length of the external salt in bytes.
#define EXTERNAL_SALT_SIZE 32
// If the top bit of APP is set, then the value is not encrypted.
#define FLAG_PUBLIC 0x80
// If the top two bits of APP are set, then the value is not encrypted and it
// can be written even when the storage is locked.
#define FLAGS_WRITE 0xC0
// The maximum value of app_id which is the six least significant bits of APP.
#define MAX_APPID 0x3F
// The PIN value corresponding to an empty PIN.
extern const uint8_t *PIN_EMPTY;
#define PIN_EMPTY_LEN 0
typedef secbool (*PIN_UI_WAIT_CALLBACK)(uint32_t wait, uint32_t progress,
const char *message);
void storage_init(const uint8_t *salt, const uint16_t salt_len);
void storage_set_ui_wait_callback(PIN_UI_WAIT_CALLBACK callback);
void storage_wipe(void);
secbool storage_is_unlocked(void);
void storage_lock(void);
secbool storage_unlock(const uint8_t *pin, size_t pin_len,
const uint8_t *ext_salt);
secbool storage_has_pin(void);
secbool storage_pin_fails_increase(void);
uint32_t storage_get_pin_rem(void);
secbool storage_change_pin(const uint8_t *oldpin, size_t oldpin_len,
const uint8_t *newpin, size_t newpin_len,
const uint8_t *old_ext_salt,
const uint8_t *new_ext_salt);
void storage_ensure_not_wipe_code(const uint8_t *pin, size_t pin_len);
secbool storage_has_wipe_code(void);
secbool storage_change_wipe_code(const uint8_t *pin, size_t pin_len,
const uint8_t *ext_salt,
const uint8_t *wipe_code,
size_t wipe_code_len);
secbool storage_has(const uint16_t key);
secbool storage_get(const uint16_t key, void *val, const uint16_t max_len,
uint16_t *len);
secbool storage_set(const uint16_t key, const void *val, const uint16_t len);
secbool storage_delete(const uint16_t key);
secbool storage_set_counter(const uint16_t key, const uint32_t count);
secbool storage_next_counter(const uint16_t key, uint32_t *count);
#endif