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From: wsr@lmi-angel.UUCP (Wolfgang Rupprecht)
Newsgroups: net.micro
Subject: Re: Copy Detection Protection
Message-ID: <80@lmi-angel.UUCP>
Date: Tue, 22-Jul-86 21:55:14 EDT
Article-I.D.: lmi-ange.80
Posted: Tue Jul 22 21:55:14 1986
Date-Received: Thu, 24-Jul-86 21:01:29 EDT
Reply-To: wsr@lmi-angel.UUCP (Wolfgang Rupprecht)
Organization: LISP Machine, Inc (Cambridge Engineering HQ)
Lines: 14
Keywords: Copy protection, half-baked schemes

In article <> C0144%CSUOHIO.BITNET@WISCVM.WISC.EDU writes:
>   I can't see *too* much sense in using serial numbered copy detection,
>when in fact, a half-knowledgeable hack can search for the serial number
>[...].
>   Unless, of course, you encrypt the serial number (Hmmm, not a bad thought).

You can always get *two* disks and compare them. If they differ you
know that something funny is going on.

Disclaimer: copying software is probably illeagal. Actual mileage may
vary. Unix is tm of Ma Belle.

-- 
Wolfgang Rupprecht	{harvard|decvax!cca|mit-eddie}!lmi-angel!wsr