Anti-Tempest Fonts, Where?

[Hideki Saito]

Makes me curious, how relevant is it these days, especially with age
of (presumably) lower emission LCD screen?

On Feb 5, 2008 11:00 AM, David Shaw <dshaw at jabberwocky.com> wrote:
> On Sat, Feb 02, 2008 at 06:16:23AM +0100, George Orwell wrote:
> > man gpg
> >
> > the above cmd mentions anti tempest fonts. what does this mean
> > exactly? where are the anti-tempest fonts? i've searched the
> > net for them and cannot find them. the only mention of soft
> > tempest fonts were within a .zip containing image files claimed
> > to be for example only.
> >
> > do tempest resistant fonts exist?
>
> No.  Or at least, not any longer.  There was a font package available
> a few years ago that was an offshoot of some work done by Markus Kuhn
> and Ross Anderson at the University of Cambridge.  More recently, they
> improved the attack enough that the fonts were no longer effective.
>
> See
>   http://www.cl.cam.ac.uk/~mgk25/emsec/softtempest-faq.html
>
> I'll update the manual so it does not reference the fonts any longer.
>
> David
>
>
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-- 
Hideki Saito