my_aes.h
上传用户:romrleung
上传日期:2022-05-23
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文件大小:2k
- /* 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 */
- #include "rijndael.h"
- C_MODE_START
- #define AES_KEY_LENGTH 128 /* Must be 128 192 or 256 */
- /*
- my_aes_encrypt - Crypt buffer with AES encryption algorithm.
- source - Pointer to data for encryption
- source_length - size of encryption data
- dest - buffer to place encrypted data (must be large enough)
- key - Key to be used for encryption
- kel_length - Length 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, char *dest,
- const char *key, int key_length);
- /*
- my_aes_decrypt - DeCrypt buffer with AES encryption algorithm.
- source - Pointer 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 - Length 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, 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);
- C_MODE_END