[4464] in cryptography@c2.net mail archive
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/