Protect Software Unit Lizense file based.

I need a delphi unit for manage the software license. The license are based on the usage of the software. Trial Version : You can use the software for 30 days. Registered Version : You can use the software for 30/180/365 days, depend on the purchased license. There are also other options included in the license, like numer of users, number of databases and other functionality. The license should be based on a .lic file, stored on the same location as the application. Uninstall and install again of the software on the same computer should not reset the trial time. ## Deliverables 1) Complete and fully-functional source code of all work done. 2) Buyer will receive exclusive and complete copyrights to all work purchased. * * *This broadcast message was sent to all bidders on Friday Nov 3, 2006 3:50:44 PM: the content has changed, please revise yor bid. ## Platform delphi 7