[Cryptography] Public-key auth as envisaged by first-year science students

[Michael Kjörling]

On 12 Aug 2016 10:54 +0100, from davehowe.pentesting at gmail.com (Dave Howe):
> A point to point link, by
> contrast, could have this property, but only if Mallory's intercept dish
> pair isn't sufficient to block the signal path.

Good points all. About that last; for anything below several
gigahertz, a dish antenna with sufficient gain (directionality) to
matter would be very large; quite likely large enough to easily be
seen at the distances under consideration. So it wouldn't exactly be a
_stealthy_ device.

-- 
Michael Kjörling • https://michael.kjorling.se • michael at kjorling.se
                 “People who think they know everything really annoy
                 those of us who know we don’t.” (Bjarne Stroustrup)