File Manager

<?php
#BEGIN_LICENSE
#-------------------------------------------------------------------------
# Module: CGExtensions (c) 2008-2014 by Robert Campbell
#         (calguy1000@cmsmadesimple.org)
#  An addon module for CMS Made Simple to provide useful functions
#  and commonly used gui capabilities to other modules.
#
#-------------------------------------------------------------------------
# CMSMS - CMS Made Simple is (c) 2005 by Ted Kulp (wishy@cmsmadesimple.org)
# Visit the CMSMS Homepage at: http://www.cmsmadesimple.org
#
#-------------------------------------------------------------------------
#
# 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.
#
# However, as a special exception to the GPL, this software is distributed
# as an addon module to CMS Made Simple.  You may not use this software
# in any Non GPL version of CMS Made simple, or in any version of CMS
# Made simple that does not indicate clearly and obviously in its admin
# section that the site was built with CMS Made simple.
#
# 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
# Or read it online: http://www.gnu.org/licenses/licenses.html#GPL
#
#-------------------------------------------------------------------------
#END_LICENSE

final class cge_encrypt
{
  protected function __construct() {}

  static public function encrypt($key,$data)
  {
    if( !function_exists('mcrypt_module_open') ) return FALSE;
    srand((double) microtime() * 1000000);
    $encdata = FALSE;
    $td = @mcrypt_module_open(MCRYPT_DES,'',MCRYPT_MODE_ECB,'');
    if( $td === FALSE ) return FALSE;

    $key = substr($key,0,mcrypt_enc_get_key_size($td));
    $iv_size = mcrypt_enc_get_iv_size($td);
    $iv = @mcrypt_create_iv($iv_size, MCRYPT_RAND);

    // initialize encryption handle
    $tmp = @mcrypt_generic_init($td,$key, $iv);
    if( $tmp != -1 ) {
      $tmp = @mcrypt_generic($td,$data);
      @mcrypt_generic_deinit($td);
      $encdata = $tmp;
    }
    @mcrypt_module_close($td);
    return $encdata;
  }


  static public function decrypt($key,$encdata)
  {
    if( !function_exists('mcrypt_module_open') ) return FALSE;
    $data = FALSE;
    $td = @mcrypt_module_open(MCRYPT_DES,'',MCRYPT_MODE_ECB,'');
    if( $td === FALSE ) return FALSE;

    $key = substr($key,0,mcrypt_enc_get_key_size($td));
    $iv_size = @mcrypt_enc_get_iv_size($td);
    $iv = @mcrypt_create_iv($iv_size, MCRYPT_RAND);

    // initialize encryption handle
    $tmp = @mcrypt_generic_init($td,$key, $iv);
    if( $tmp != -1 ) {
      $data = @mdecrypt_generic($td,$encdata);
      @mcrypt_generic_deinit($td);
    }
    @mcrypt_module_close($td);
    return $data;
  }

} // end of class

?>