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/**
* cerberus – Minimal login program
*
* Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CRYPT_H__
#define __CRYPT_H__
/**
* Initialise crypt authentication module
*
* @param remote The remote computer, {@code NULL} for local login
* @param username The username of the user to log in to
* @param reader Function that can be used to read a passphrase from the terminal
*/
void initialise_crypt(char* remote, char* username, char* (*reader)(void));
/**
* Perform token authentication
*
* @return Whether the user got automatically authenticated
*/
char authenticate_crypt(void);
#endif
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