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/*********************************************************************************
*
* UTILS.H - Header file for NSCA utility functions
*
* License: GPL
* Copyright (c) 2000-2003 Ethan Galstad (nagios@nagios.org)
*
* Last Modified: 10-15-2003
*
* Description:
*
*
* License Information:
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
********************************************************************************/
#ifndef NSCA_UTILS_H_INCLUDED
#define NSCA_UTILS_H_INCLUDED
#include "config.h"
struct crypt_instance {
char transmitted_iv[TRANSMITTED_IV_SIZE];
#ifdef HAVE_LIBMCRYPT
MCRYPT td;
char *key;
char *IV;
char block_buffer;
int blocksize;
int keysize;
char *mcrypt_algorithm;
char *mcrypt_mode;
#endif
};
void generate_crc32_table(void);
unsigned long calculate_crc32(char *, int);
int encrypt_init(char *,int,char *,struct crypt_instance **);
void encrypt_cleanup(int,struct crypt_instance *);
void encrypt_buffer(char *,int,char *,int,struct crypt_instance *);
void decrypt_buffer(char *,int,char *,int,struct crypt_instance *);
void randomize_buffer(char *,int);
void strip(char *);
void clear_buffer(char *,int);
void display_license(void);
#endif
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