67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
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/* Copyright (C) 2002 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* Header file for my_aes.c */
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/* Wrapper to give simple interface for MySQL to AES standard encryption */
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#include "rijndael.h"
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C_MODE_START
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#define AES_KEY_LENGTH 128 /* Must be 128 192 or 256 */
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/*
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my_aes_encrypt - Crypt buffer with AES encryption algorithm.
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source - Pointer to data for encryption
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source_length - size of encryption data
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dest - buffer to place encrypted data (must be large enough)
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key - Key to be used for encryption
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kel_length - Length of the key. Will handle keys of any length
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returns - size of encrypted data, or negative in case of error.
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*/
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int my_aes_encrypt(const char *source, int source_length, char *dest,
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const char *key, int key_length);
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/*
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my_aes_decrypt - DeCrypt buffer with AES encryption algorithm.
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source - Pointer to data for decryption
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source_length - size of encrypted data
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dest - buffer to place decrypted data (must be large enough)
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key - Key to be used for decryption
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kel_length - Length of the key. Will handle keys of any length
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returns - size of original data, or negative in case of error.
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*/
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int my_aes_decrypt(const char *source, int source_length, char *dest,
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const char *key, int key_length);
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/*
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my_aes_get_size - get size of buffer which will be large enough for encrypted
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data
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source_length - length of data to be encrypted
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returns - size of buffer required to store encrypted data
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*/
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int my_aes_get_size(int source_length);
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C_MODE_END
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