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/*
* Copyright (C) 2018-2021 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat 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.
*
* WeeChat 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 WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef WEECHAT_CRYPTO_H
#define WEECHAT_CRYPTO_H
#define WEECRYPTO_TOTP_MIN_DIGITS 4
#define WEECRYPTO_TOTP_MAX_DIGITS 10
extern int weecrypto_get_hash_algo (const char *hash_algo);
extern int weecrypto_hash (const void *data, int data_size, int hash_algo,
void *hash, int *hash_size);
extern int weecrypto_hash_pbkdf2 (const void *data, int data_size,
int hash_algo,
const void *salt, int salt_size,
int iterations,
void *hash, int *hash_size);
extern int weecrypto_hmac (const void *key, int key_size,
const void *message, int message_size,
int hash_algo,
void *hash, int *hash_size);
extern char *weecrypto_totp_generate (const char *secret, time_t totp_time,
int digits);
extern int weecrypto_totp_validate (const char *secret, time_t totp_time,
int window, const char *otp);
#endif /* WEECHAT_CRYPTO_H */
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