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/*
* ProFTPD - mod_auth_otp misc crypto routines
* Copyright (c) 2015-2016 TJ Saunders
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, TJ Saunders and other respective copyright holders
* give permission to link this program with OpenSSL, and distribute the
* resulting executable, without including the source code for OpenSSL in the
* source distribution.
*/
#ifndef MOD_AUTH_OTP_CRYPTO_H
#define MOD_AUTH_OTP_CRYPTO_H
#include "mod_auth_otp.h"
int auth_otp_crypto_init(void);
void auth_otp_crypto_free(int);
const char *auth_otp_crypto_get_errors(void);
int auth_otp_hmac(const EVP_MD *md, const unsigned char *key, size_t key_len,
const unsigned char *data, size_t data_len, unsigned char *mac,
size_t *mac_len);
#endif /* MOD_AUTH_OTP_CRYPTO_H */
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