toxcore/toxencryptsave/toxencryptsave.h

69 lines
2.0 KiB
C

/* toxencryptsave.h
*
* The Tox encrypted save functions.
*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* Tox 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.
*
* Tox 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 Tox. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef TOXENCRYPTSAVE_H
#define TOXENCRYPTSAVE_H
#include "../toxcore/tox.h"
#ifdef __cplusplus
extern "C" {
#endif
/* This "module" provides functions analogous to tox_load and tox_save in toxcore
* Clients should consider alerting their users that, unlike plain data, if even one bit
* becomes corrupted, the data will be entirely unrecoverable.
* Ditto if they forget their password, there is no way to recover the data.
*/
/* return size of the messenger data (for encrypted saving). */
uint32_t tox_encrypted_size(const Tox *tox);
/* Save the messenger data encrypted with the given password.
* data must be at least tox_encrypted_size().
*
* returns 0 on success
* returns -1 on failure
*/
int tox_encrypted_save(const Tox *tox, uint8_t *data, uint8_t *passphrase, uint32_t pplength);
/* Load the messenger from encrypted data of size length.
*
* returns 0 on success
* returns -1 on failure
*/
int tox_encrypted_load(Tox *tox, const uint8_t *data, uint32_t length, uint8_t *passphrase, uint32_t pplength);
/* Determines whether or not the given data is encrypted (by checking the magic number)
*
* returns 1 if it is encrypted
* returns 0 otherwise
*/
int tox_is_data_encrypted(const uint8_t *data);
#ifdef __cplusplus
}
#endif
#endif