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Diffstat (limited to 'include/my_aes.h')
-rw-r--r-- | include/my_aes.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/my_aes.h b/include/my_aes.h new file mode 100644 index 00000000000..5852baa5892 --- /dev/null +++ b/include/my_aes.h @@ -0,0 +1,66 @@ +/* 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 |