On Saturday, March 22, 2003, at 11:56 PM, [EMAIL PROTECTED] wrote:
How can I add to my application a copy protection?
I wuold like to distribute my application freely, but I'd like users to ask me for a code when thay need to save their files.
Ciao, Paolo Mazza
Protection against copying a file or application is probably impossible. Putting an IF statement in your "Save As" menu item is probably trivial. If the user has entered a valid code, then enable "Save As" menu.
There are tons of articles on protecting software so I'll give you my two cents. Concentrate on marketing (getting people to use your software) rather than focusing on preventing people from using your software (software locking).
Some of the more successful software products we have sold have had the lamest software registration code systems. One was unlocked by a combination of key strokes when a specific window was open (which means that anyone who knew that could unlock their software). Another gave everyone the exact same "secret" code, again, piracy was trivial. But both ended up with a huge marketshare and made their authors a ton of money. Depends upon your market.
Kee Nethery kagi
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