Doctor John wrote:
> You cannot securely exchange encryption keys without a shared piece of
> information.

Isn't think what public key encryption is all about? I mean, this is 
basic Diffie Helman.

I think you probably mean something slightly different, which would be 
"you can't be sure who you're talking to without a shared piece of 
information."

-- 
   Darren New / San Diego, CA, USA (PST)
     "That's pretty. Where's that?"
          "It's the Age of Channelwood."
     "We should go there on vacation some time."

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