[6100] in cryptography@c2.net mail archive
Re: DPA mapped to spectral analysis
daemon@ATHENA.MIT.EDU (Bill Frantz)
Sun Nov 21 14:15:48 1999
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Date: Sat, 20 Nov 1999 11:29:37 -0800
To: "Matt Crawford" <crawdad@fnal.gov>, David Honig <honig@sprynet.com>
From: Bill Frantz <frantz@netcom.com>
Cc: Marcus Leech <mleech@nortelnetworks.com>, cryptography@c2.net
At 4:04 PM -0800 11/19/99, Matt Crawford wrote:
>> A while back someone on cypherpunks posted a program that would let you
>> hear FSK modulation on a normal radio when the program
>> was run, by modulating PCI traffic.
>
>Shoot, I remember the operators of the CDC 3150 at the local state
>college doing this around 1973 -- they set a radio on top of the
>console and ran a program that fiddled accumulator bits to play
>tunes.
> Matt
We used to use an AM radio as a debugging aid with an IBM 1620 (20
microsecond cycle time) at Dartmouth Collage in 1962-1963. My wife reports
a program called Mutran (sp?) she saw at Reed Collage which used a radio
and the 1620 to play suitably encoded sheet music.
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