sql_crypt.h
上传用户:romrleung
上传日期:2022-05-23
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文件大小:1k
- /* Copyright (C) 2000 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 */
- #ifdef USE_PRAGMA_INTERFACE
- #pragma interface /* gcc class implementation */
- #endif
- class SQL_CRYPT :public Sql_alloc
- {
- struct rand_struct rand,org_rand;
- char decode_buff[256],encode_buff[256];
- uint shift;
- void crypt_init(ulong *seed);
- public:
- SQL_CRYPT(const char *seed);
- SQL_CRYPT(ulong *seed)
- {
- crypt_init(seed);
- }
- ~SQL_CRYPT() {}
- void init() { shift=0; rand=org_rand; }
- void encode(char *str, uint length);
- void decode(char *str, uint length);
- };