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RE: IPSEC on a Palm III?

daemon@ATHENA.MIT.EDU (Ulrich Kuehn)
Wed Apr 7 10:21:55 1999

Date: Wed, 7 Apr 1999 11:53:39 +0200 (MET DST)
From: Ulrich Kuehn <kuehn@ESCHER.UNI-MUENSTER.DE>
To: David Honig <honig@sprynet.com>
Cc: William Whyte <wwhyte@baltimore.ie>,
        "'Robert Hettinga'" <rah@shipwright.com>,
        "cryptography@c2.net" <cryptography@c2.net>
In-Reply-To: <3.0.5.32.19990406152926.0080a790@m7.sprynet.com>

David Honig writes:
 > At 09:58 PM 4/6/99 +0100, William Whyte wrote:
 > >> Do any of the ipsec folks out there have any idea whether the Palm III has
 > >> the oomph to do IPSEC?
 > >> 
 > >> I'm thinking about that active badge stuff, where you beam yourself an
 > >> environment and file access onto the nearest larger machine...
 > >
 > >I did a back-of-an-envelope calculation recently which made it look
 > >like they could just about hack RSA public key operations, and
 > >presumably also ECDSA/ECDH, but would take way too long (c. 2 minutes)
 > >to do RSA private key ops or DSA/DH. As you work up towards the bigger
 > >Palms the figures get better, but still scary.
 > >
 > 
 > Hmm.. a crypto-ibutton would not take up much space...
 > 
The crypto ibutton has no display, but you might want to know what
exactly you are signing. The ibutton thus has the requirement for a
trusted environment with a trusted application communicating with it,
which is hopefully not the case with the Palm pilot.

Ulrich
-- 
Ulrich Kuehn ------------------ ukuehn@acm.org
                    kuehn@math.uni-muenster.de
        http://wwwmath.uni-muenster.de/~kuehn/




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