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Article #648

Re: IBM password

#648
From: Vesselin Bontchev
Date: Wed, 30 Sep 1992 18:27
25 lines
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frey@alfheim.actrix.gen.nz (Bruce Clement) writes:

> In either case, I would only look on encryption as a defense against relativel
> simple attacks. Presumably the program can be read with a debugger, and the 
> key should be derivable from the fact that the plain text of the DOS boot 
> sector is known.

It depends on the encryption method used. If it is DES, or something
equally strong, you are simply out of luck.

> Against that, there is a good chance that anyone stealing your PC would simply
> repartition/reformat & your sensitive data would go unread.

Exactly. Encryption can prevent only read access on a PC, not write
access. The attacker still has the possibility to destroy your data.
Here only a hardware solution can help - one that enforces physical
security.

Regards,
Vesselin
-- 
Vesselin Vladimirov Bontchev          Virus Test Center, University of Hamburg
Tel.:+49-40-54715-224, Fax: +49-40-54715-226      Fachbereich Informatik - AGN
< PGP 2.0 public key available on request. > Vogt-Koelln-Strasse 30, rm. 107 C
e-mail: bontchev@fbihh.informatik.uni-hamburg.de    D-2000 Hamburg 54, Germany
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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!Germany.EU.net!rzsun2.informatik.uni-hamburg.de!fbihh!bontchev
References: <BvAv1r.M8C@csugrad.cs.vt.edu> <717850655snx@alfheim.actrix.gen.nz>

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Newsgroups: comp.security.misc
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!Germany.EU.net!rzsun2.informatik.uni-hamburg.de!fbihh!bontchev
From: bontchev@fbihh.informatik.uni-hamburg.de (Vesselin Bontchev)
Subject: Re: IBM password
Message-ID: <bontchev.717877676@fbihh>
Sender: news@informatik.uni-hamburg.de (Mr. News)
Reply-To: bontchev@fbihh.informatik.uni-hamburg.de
Organization: Virus Test Center, University of Hamburg
References: <BvAv1r.M8C@csugrad.cs.vt.edu> <717850655snx@alfheim.actrix.gen.nz>
Date: 30 Sep 92 18:27:56 GMT
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