Palm Pilot Handshake

[Tyler Durden]

Yo! Anyone out there in codeville know if the following is possible?

I'd like to be able digitally "shake hands" using a Palm Pilot. Is this possible?

What I mean is,
Let's say some disgruntled and generic crypto-kook (let's call him, say,...'Tyler Durden') has been signing his (tiring) cyber-missives with a public key.

And now let's say there's some guy at a party claiming to be that very same Tyler Durden, but you're not so sure (this real-life Tyler Durden is WAY too much of an obvious chick-magnet to be the same guy that posts on the Internet). BUT, you happen to have your Palm Pilot(TM), and so does he. So you both both engage the little hand-shaking app on your PP (using Tyler Durden's public key) and there's verification. Yep. Same dude. (You then procede to prostrate yourself before this obvious godlet, stating "I'm not worthy, Sire".)

Is this possible within the memory constraints of a Palm device? What about with a booster pack of memory? If not, is some sort of "Public Key Masking" possible so that a 'less secure' handshake is possible using a subset of the public key?

And for extra credit, when might the chipsets be available for incorporating this functionality into, say, a wristwatch so that the protocol runs automatically (giving you a beep, for instance, only if there's a mismatch)? (This I'm sure the feds must already have.)

-TD






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