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/* Copyright (C) 2002 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* Header file for my_aes.c */
/* Wrapper to give simple interface for MySQL to AES standard encryption */
#ifndef __MY_AES_H
#define __MY_AES_H
#include "my_global.h"
#include <stdio.h>
#include "rijndael.h"
#define AES_KEY_LENGTH 128
/* Must be 128 192 or 256 */
#ifdef __cplusplus
extern "C" {
#endif
/*
my_aes_encrypt - Crypt buffer with AES encryption algorithm.
source - Pinter to data for encryption
source_length - size of encruption data
dest - buffer to place encrypted data (must be large enough)
key - Key to be used for encryption
kel_length - Lenght of the key. Will handle keys of any length
returns - size of encrypted data, or negative in case of error.
*/
int my_aes_encrypt(const char* source, int source_length, const char* dest,
const char* key, int key_length);
/*
my_aes_decrypt - DeCrypt buffer with AES encryption algorithm.
source - Pinter to data for decryption
source_length - size of encrypted data
dest - buffer to place decrypted data (must be large enough)
key - Key to be used for decryption
kel_length - Lenght of the key. Will handle keys of any length
returns - size of original data, or negative in case of error.
*/
int my_aes_decrypt(const char* source, int source_length, const char* dest,
const char* key, int key_length);
/*
my_aes_get_size - get size of buffer which will be large enough for encrypted
data
source_length - length of data to be encrypted
returns - size of buffer required to store encrypted data
*/
int my_aes_get_size(int source_length);
#ifdef __cplusplus
}
#endif
#endif
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