TEMPEST protection (was Rolm Computers: 1602, 1602A, 1602B, 1666, MSExx)
useddec at gmail.com
Thu May 5 10:33:52 CDT 2016
The actual Tempest specs used to be classified.
On Thu, May 5, 2016 at 8:17 AM, Noel Chiappa <jnc at mercury.lcs.mit.edu>
> > From: Erik Baigar
> > very interesting reading
> If you want to see a great example of why it was important, check out the
> so-called 'Berlin Tunnel':
> Some of the traffic that was intercepted was teletype traffic - which had
> been encrypted. However, the equipment that connected the gear to the line
> allowed a tiny electronic whisper of the original plain-text onto the line,
> along with the encrypted form, and it was possible to read the plaintext
> the line with suitable gear.
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