Re: Copy protection
mazzapaolo at libero.it
Fri Apr 4 01:28:01 CST 2003
Thank you for your insights. I know it is impossible to prevent application to be copyed.
I was looking for a "trivial protection", an "unlock code" linked to the name of the user similar to the unlock code of revolution.
So, I had my application to register the name of the user in a file, stored in the preferences folder.
I wondered how lonk my code to the the name of the user.
ChartoNum function wuold be a solution, but is is too trivial, I think.
On Saturday, March 22, 2003, at 11:56 PM, mazzapaolo at liber 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.
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