mirror of
https://github.com/trezor/trezor-firmware.git
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67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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 program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __STORAGE_H__
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#define __STORAGE_H__
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#include <stddef.h>
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#include <stdint.h>
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#include "secbool.h"
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// The length of the external salt in bytes.
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#define EXTERNAL_SALT_SIZE 32
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// If the top bit of APP is set, then the value is not encrypted.
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#define FLAG_PUBLIC 0x80
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// If the top two bits of APP are set, then the value is not encrypted and it
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// can be written even when the storage is locked.
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#define FLAGS_WRITE 0xC0
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// Mask for extracting the "real" app_id.
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#define FLAGS_APPID 0x3F
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typedef secbool (*PIN_UI_WAIT_CALLBACK)(uint32_t wait, uint32_t progress,
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const char *message);
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void storage_init(PIN_UI_WAIT_CALLBACK callback, const uint8_t *salt,
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const uint16_t salt_len);
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void storage_wipe(void);
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secbool storage_is_unlocked(void);
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void storage_lock(void);
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secbool storage_unlock(uint32_t pin, const uint8_t *ext_salt);
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secbool storage_has_pin(void);
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secbool storage_pin_fails_increase(void);
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uint32_t storage_get_pin_rem(void);
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secbool storage_change_pin(uint32_t oldpin, uint32_t newpin,
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const uint8_t *old_ext_salt,
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const uint8_t *new_ext_salt);
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void storage_ensure_not_wipe_code(uint32_t pin);
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secbool storage_has_wipe_code(void);
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secbool storage_change_wipe_code(uint32_t pin, const uint8_t *ext_salt,
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uint32_t wipe_code);
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secbool storage_get(const uint16_t key, void *val, const uint16_t max_len,
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uint16_t *len);
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secbool storage_set(const uint16_t key, const void *val, const uint16_t len);
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secbool storage_delete(const uint16_t key);
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secbool storage_set_counter(const uint16_t key, const uint32_t count);
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secbool storage_next_counter(const uint16_t key, uint32_t *count);
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#endif
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