Anti-Tempest Fonts, Where?

[Robert J. Hansen]

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George Orwell wrote:
> do tempest resistant fonts exist?

First, it's not "tempest resistant".  TEMPEST is the name of the NSA's
standard on Van Eck-resistant hardware.  What you're talking about is
Van Eck surveillance.  I know, I know, PGP Corporation calls it "Tempest
resistance".  They're wrong, too.

Anyway, taking off the pedantry hat...

I am unaware of any empirical evidence that suggests PGP's Van
Eck-resistant fonts really offer much, if any, security against Van Eck
surveillance.  If you're dealing with people who are willing to park a
van down the block and dedicate a crew of surveillance experts and a few
thousand bucks of directional antennas and custom-built FPGAs at you, my
best advice is to (a) run away and (b) build a Faraday cage.


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