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Mail Archives: djgpp/2005/07/14/02:06:16

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From: Sterten AT aol DOT com
Message-ID: <bb.5b4ebdd6.30075ab9@aol.com>
Date: Thu, 14 Jul 2005 02:05:45 EDT
Subject: Re: Creating a copy protected floppy
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

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as I remember, one method was to mechanically destroy some
small portion of the disk.
Then the software can check, which portion exactly was intact, while the  
copying
machine will never be able to destroy another disc in exactly the same  way.
 
Guenter.

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<META http-equiv=3DContent-Type content=3D"text/html; charset=3DUS-ASCII">
<META content=3D"MSHTML 6.00.2800.1141" name=3DGENERATOR></HEAD>
<BODY id=3Drole_body style=3D"FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY:=20=
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face=3DArial color=3D#000000 size=3D2>
<DIV>as I remember, one method was to mechanically destroy some</DIV>
<DIV>small portion of the disk.</DIV>
<DIV>Then the software can check, which portion exactly was intact, while th=
e=20
copying</DIV>
<DIV>machine will never be able to destroy another disc in exactly the same=20
way.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Guenter.</DIV></FONT></BODY></HTML>

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