Re: Status of DES, or "Is the DES Standard PD?"

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#2193

From: Paul C Leyland
Date: Tue, 15 Dec 1992 17:21

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In article <1992Dec14.205743.129591@watson.ibm.com> uri@watson.ibm.com (Uri Blumenthal) writes:

   c) Some people consider DES too slow for routine encryption
      and seek maybe-less-secure-but-faster alternatives. What
      then about RSA? What but the key exchange is it good for?
      Encrypt my hard drive?  Tape archive?  Online  digitized
      voice?

Yes to all of these.  You just have to get a real computer 8-)

Rather more seriously: multi-precise multiplication and division, the
time-critical part of RSA-like systems, is getting quite fast these
days.  Check out what some of the latest DSP engines are capable of.

Paul

--
Paul Leyland <pcl@oxford.ac.uk>          | Hanging on in quiet desperation is
Oxford University Computing Service      |     the English way.
13 Banbury Road, Oxford, OX2 6NN, UK     | The time is come, the song is over.
Tel: +44-865-273200  Fax: +44-865-273275 | Thought I'd something more to say.

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<1992Dec11.075845.27376@cybernet.cse.fau.edu> <1992Dec11.201151.145881@watson.ibm.com> <1gb7obINN3tp@gap.caltech.edu> <Bz98An.BLJ@dcs.ed.ac.uk> <1992Dec14.205743.129591@watson.ibm.com>

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Path: arc1-ca.pugleaf.net!sparky!uunet!pipex!warwick!doc.ic.ac.uk!uknet!comlab.ox.ac.uk!pcl
From: pcl@ox.ac.uk (Paul C Leyland)
Newsgroups: sci.crypt
Subject: Re: Status of DES, or "Is the DES Standard PD?"
Message-ID: <PCL.92Dec15172152@rhodium.ox.ac.uk>
Date: 15 Dec 92 17:21:52 GMT
References: <1992Dec11.075845.27376@cybernet.cse.fau.edu>
 <1992Dec11.201151.145881@watson.ibm.com> <1gb7obINN3tp@gap.caltech.edu>
 <Bz98An.BLJ@dcs.ed.ac.uk> <1992Dec14.205743.129591@watson.ibm.com>
Organization: Oxford University Computing Services, 13 Banbury Rd Oxford OX2
 6NN
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In-reply-to: uri@watson.ibm.com's message of 14 Dec 92 20:57:43 GMT

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