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Article #2204

Info wanted: Copy protection

#2204
From: Magnus Olsson
Date: Thu, 20 Sep 1990 14:42
18 lines
1061 bytes
Copy-protected programs for the IBM PC seem to be more or less extinct - 
fortunately! Copy-protection still is an interesting subject, since the
programs involved must be rather nice hacks [or perhaps nice isn't the
msot appropriate word to use :-)].

So, I wonder if anyone out there has any information about how the
various copy-protection schemes work. 

Note: I'm not asking you to tell me how to crack protected programs,
just some general information on how copy protection was (is?) 
inmplemented.


Magnus Olsson		     	| \e+ 	   /_	      
Dept. of Theoretical Physics 	|  \  Z	  / q	      
University of Lund, Sweden	|   >----<	      
Internet: magnus@thep.lu.se	|  /	  \===== g    
Bitnet: THEPMO@SELDC52 		| /e-	   \q	      
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!ogicse!ucsd!ucbvax!THEP.LU.SE!magnus
From: magnus@THEP.LU.SE (Magnus Olsson)
Newsgroups: comp.os.msdos.programmer
Subject: Info wanted: Copy protection
Message-ID: <9009201441.AA13387@thep.lu.se>
Date: 20 Sep 90 14:42:33 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
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