Date sent:              Thu, 10 Jun 1999 08:26:54 -0700
From:                   Richard Hartman <[EMAIL PROTECTED]>
Subject:                RE: Cracking?
To:                     "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
Send reply to:          [EMAIL PROTECTED]

> If you don't use a reg code but distribute
> full apps separately, you can make certain
> that each one distributed is identifiable
> via some sort of "fingerprint" (e.g. PGP
> signing).  You can't prevent him from
> distributing it, but you -can- trace it
> to him.

Even that does not work.  A cracker can simply NOP the
"signature" and bypass the checks.

> -- 
> -Richard M. Hartman
> [EMAIL PROTECTED]
> 
> 186,000 mi./sec ... not just a good idea, it's the LAW!
> 
> 
> > -----Original Message-----
> > From: Danko Radic [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, June 10, 1999 1:58 AM
> > To: 3com Palm Pilot Developers Forum
> > Subject: Cracking?
> > 
> > 
> > Well, there was a lot of words about cracking preventions 
> > etc. Just one
> > simple question:
> > Ok, you can make registration routine as sofisticated as 
> > possible, self
> > modifying code etc, but you have to decode all of that in 
> > order to user
> > can use registrated application. Now, how can you prevent the 
> > pirate to
> > register as regular user and sell *his registrated* app. Ok, 
> > they can make
> > some eventually needed patches that patch user's 'personal' 
> > data to his
> > (so that app can work) and then depatch it to old values when exiting.
> > 
> > 
> > 
> 


--
-----------------------------------------------------------------
Discussion Group:        http://www.halcyon.com/ipscone/wwwboard/

Protect your constitutional rights. Your favorite one may be next!
-----------------------------------------------------------------

Reply via email to