Guerilla Internet Service Providers (fwd)
Scott Brickner
sjb at universe.digex.net
Wed Jan 3 15:08:14 PST 1996
Bill Frantz writes:
>With a tightly focused beam (light is easy, I don't know about lower
>frequencies), you can prevent interception except by very obvious physical
>devices. (e.g. Someone in a cherry picker truck.) You may be able to
>avoid the need to encrypt the link (and all the paranoia about key
>management, advances in factoring etc. that that implies.)
Key management problems? With someone across the street? You gotta be
kidding. If you can't memorize the key (say with the S/Key key-to-
phrase algorithm) and walk it across the street, write it on the back
of an envelope, walk it over, re-key, and burn it.
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