~drizzle-trunk/drizzle/development

/* 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 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);

};