Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!van-bc!mdivax1!mitchell
Newsgroups: comp.os.msdos.programmer
Subject: Re: Info wanted: Copy protection
Message-ID: <1990Sep21.140959.1397@mdivax1.uucp>
Date: 21 Sep 90 14:09:59 GMT
References: <9009201441.AA13387@thep.lu.se>
Reply-To: mdivax1!bb29c!mitchell (Bill Mitchell)
Organization: Mobile Data International
Lines: 12
Return-Path: <mdivax1!news>
Apparently-To: van-bc!rnews

In article <9009201441.AA13387@thep.lu.se> magnus@THEP.LU.SE (Magnus Olsson) writes:
>
>...........
>
>So, I wonder if anyone out there has any information about how the
>various copy-protection schemes work. 
>

A year or two ago, PC Tech Journal devoted the major part of an issue
to this subject.  Interesting reading.  I've had to get rid of the
back issues I was saving, so I can't say which specific issue.  You
shouldn't have too much trouble finding it at the Public Library.