" I want to sell my ebooks and I want to prevent buyers from sharing my ebooks with others."

A solution: using dongle protection

The other solutions are online activation and hardware-locked keys.

Locking your publication to a dongle

You can lock your ebook to a dongle, which means that the publication will not work if the correct dongle is not inserted.

The publication will check the dongle’s presence:

at startup
The publication will not open if the dongle is not inserted.

regularly during execution (if you wish): you can define the frequency of these verifications, every 30 seconds for instance.
If the dongle is not found, a nag screen pops up requiring insertion of the dongle in the 15 seconds. If the dongle is not inserted in time, the ebook exits.


If you want, you can set restrictions: limit the number of times your publication can be run, make your key expire after a given number of days or after a given date.

Visit the HS-Security Ware website to know more about dongles.