Import changeset

sql/sql_crypt.h

@@ -0,0 +1,38 @@
+/* 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 __GNUC__
+#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);
+};