mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-10-11 02:19:21 +00:00
286ee0525c
This diff contains three changes. 1. Make timing isPinCorrect independent of storage.pin, to avoid timing attacks 2. Only update failed PIN counter if the user entered a PIN. Of course, the fail counter is still incremented, before the PIN is checked. 3. Don't cache the PIN, but just the fact that the PIN was entered. The cache should be in sync with storage.pin in any case.
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
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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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#ifndef __STORAGE_H__
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#define __STORAGE_H__
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#include "types.pb.h"
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#include "storage.pb.h"
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#include "messages.pb.h"
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#include "bip32.h"
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void storage_init(void);
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void storage_reset_uuid(void);
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void storage_reset(void);
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void storage_commit(void);
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void session_clear(void);
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void storage_loadDevice(LoadDevice *msg);
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bool storage_getRootNode(HDNode *node);
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const char *storage_getLabel(void);
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void storage_setLabel(const char *label);
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const char *storage_getLanguage(void);
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void storage_setLanguage(const char *lang);
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void storage_setPassphraseProtection(bool passphrase_protection);
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const uint8_t *storage_getHomescreen(void);
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void storage_setHomescreen(const uint8_t *data, uint32_t size);
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void session_cachePassphrase(const char *passphrase);
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bool session_isPassphraseCached(void);
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bool storage_isPinCorrect(const char *pin);
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bool storage_hasPin(void);
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void storage_setPin(const char *pin);
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void session_cachePin(void);
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bool session_isPinCached(void);
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void storage_resetPinFails(void);
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void storage_increasePinFails(void);
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uint32_t storage_getPinFails(void);
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bool storage_isInitialized(void);
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extern Storage storage;
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extern char storage_uuid_str[25];
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#endif
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