MasterKey, the license:

MasterKey  is a shareware.

This means that anyone may use this software during a test period
of 30 days. After this period you will have 30 more days to receive 
your registration code or to uninstall MasterKey.

Once registered, the user is granted a non-exclusive license to use
MasterKey on one computer at time.

The registered MasterKey software may not be rented or 
leased, but may be permanently transferred, if the person receiving 
it agrees to terms of this license.  If the software is an update, 
the transfer must include the update and all previous versions. 

The MasterKey unregistered shareware version may be freely distributed,
by providing the unmodified distribution package. No person or 
company may charge a fee for the distribution of MasterKey without 
written permission from the author. 

  MASTERKEY IS DISTRIBUTED "AS IS".  NO WARRANTY OF ANY KIND IS
  EXPRESSED OR IMPLIED.  YOU USE AT YOUR OWN RISK.  THE AUTHOR
  WILL NOT BE LIABLE FOR DATA LOSS, DAMAGES, LOSS OF PROFITS OR
  ANY OTHER KIND OF LOSS WHILE USING OR MISUSING THIS SOFTWARE.

Installing and using MasterKey signifies acceptance of these terms
and conditions of the license.

If you do not agree with the terms of this license, you must remove 
MasterKey files from your computer and stop to use this product.