From: Matthew J Ghio <mg5n+@andrew.cmu.edu>
Date: Tue, 30 Nov 93 12:32:23 PST
To: fnerd@smds.com (FutureNerd Steve Witham)
Subject: Re: Crypto-dongle protocols?
In-Reply-To: <9311300401.AA01443@smds.com>
Message-ID: <cgyuo5W00VpL0BnkkW@andrew.cmu.edu>
MIME-Version: 1.0
Content-Type: text/plain


> I know there was talk of making little crypto
> boxes that attach to the back of bigger computers.
> "Crypto-dongles," they were called.  Did anyone
> go and build one?  Did anyone think up a protocol
> for talking to one?
>
> It occurs to me that pocket computers like the
> Psion might make nice crypto-dongles, especially
> for people who use Unix for mail.  The little
> computer could show you the text you were
> signing or that it had decrypted.
> All safe from Unix hacks--but is there a good protocol?

This is being discussed on the hardware list, you might want to forward
this topic there instead.