DKeyEvent is distributed under a dual license.

1. DKeyEvent is provided as FREEWARE for private, non-profit, and educational use.

2. Commercial, for-profit use of DKeyEvent requires registration, in this case 
   the software being provided as SHAREWARE, with a granted trial period of 30 days.

Regardless of the chosen licensing model, the software may be freely distributed, 
with exceptions noted below, provided the distribution package is not modified.

This application is distributed "AS IS". No warranty of any kind is expressed or 
implied. You use it 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.

Also, note that the DomainKeys specification requires strong cryptography, which may 
fall under certain export/import and/or use restrictions in some parts of the world. 
If you import this package to your country or re-distribute it from there, you are 
strongly advised to pay close attention to any import/export and/or use laws which 
apply to you. The author of DKeyEvent is not liable for any violations you make.