Article View: sci.crypt
Article #756Re: User authentication
From: frank
Date: Fri, 28 Aug 1992 14:00
Date: Fri, 28 Aug 1992 14:00
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brnstnd@nyu.edu (D. J. Bernstein) writes: : If you never ask the question ``Who are you?'' then you will never be : given a false answer. : : For *the overwhelming bulk* of human communication it has not proven : necessary to ask the question. So it is silly to design a ``public-key : infrastructure'' which forces people to ask the question---and suffers : all the attendant problems of false answers. This is O.K. if you're happy with everyone posting anonymously - as all you're getting is a link from the message which first publishes the public key to each subsequent message signed with it. So if this is interesting, how come more people don't post anonymously? Why is your message signed Dan Bernstein, not Guess Who? I'd say it's because your identity is important to *you*. You may not care who is at this end of the communication, but you sure as hell care about that end. I assume that you would be peeved if 10,000 people started placing "secure" posts associated with the name Dan Bernstein, for example. In fact, I'd say that the reason most people don't need to ask the question "who are you?", is because they already think they know, or they get told without asking. It's just that they are prepared to trust the answer with very little evidence. Usually they are right. I'd say your name really is Dan Bernstein, for example. And I didn't ask, you told me. Actually, I'm playing Devil's advocate a little here - I do think there is a place for anonymity in a secure newsgroup. But I also see applications for secure newsgroups based on real world identities. Also, if the anonymity is to have any real value, you would have to do something to prevent tracing through the posters mail address. -- Frank O'Dwyer Disclaimer: Siemens-Nixdorf AG I will deny everything Tel. : +49 (89) 636-40639 Fax. : +49 (89) 636-45860 e-mail: Frank.ODwyer@sniap.mchp.sni.de
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Newsgroups: sci.crypt Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!Germany.EU.net!murignis!ap542!D012S436!frank From: frank@D012S436.sniap.mchp.sni.de () Subject: Re: User authentication Message-ID: <1992Aug28.140033.466@sniap.mchp.sni.de> Sender: news@sniap.mchp.sni.de (News Admin) Organization: Siemens-Nixdorf AG References: <19253.Aug2700.31.1692@virtualnews.nyu.edu> Date: Fri, 28 Aug 92 14:00:33 GMT Lines: 40