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/* Copyright (C) 2000-2001, 2005 MySQL 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; version 2 of the License.
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 my_rnd_struct rand,org_rand;
char decode_buff[256],encode_buff[256];
uint shift;
public:
SQL_CRYPT() {}
SQL_CRYPT(ulong *seed)
{
init(seed);
}
~SQL_CRYPT() {}
void init(ulong *seed);
void reinit() { shift=0; rand=org_rand; }
void encode(char *str, uint length);
void decode(char *str, uint length);
};
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