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Re: SDSI and key distribution

On Mon, 6 May 1996, Adam Shostack wrote:

> If that source is a business card?  Adding lots of information there
> is not easy.

In this case you don't want to put the entire Principal: object on the
business card.  Even if you had enough space on the card, users would not
want to type all of the information into his e-mail program.  The easiest
thing to do is to put a secure hash of your Principal: object on the card
(perhaps encoded as a list of words for easier typing).  This can be
entered into the e-mail program (instead of the e-mail address), which
then uses the hash to look up the actual Principal: object from a public

Wei Dai