Stealing Keys from PCs using a Radio

[Alfonso De Gregorio]

On Mon, Jul 13, 2015 at 7:36 PM, jim bell <jdb10987 at yahoo.com> wrote:
> From: grarpamp <grarpamp at gmail.com>
>
> Subject: Stealing Keys from PCs using a Radio
>
>
> Even  in 1977, when I had just built my 'Dyna Micro'
> https://en.wikipedia.org/wiki/Single-board_computer  microprocessor trainer
> board, I could tell that its emanations on the AM radio band were were quite
> distinctive:  I could monitor the progress of programs merely by listening
> to an otherwise-unoccupied AM frequency.  While I wasn't particularly
> interested in the details at that time,  it has long been obvious that a
> program could be written to emit specific data, perhaps by repeating
> segments of code based on the information to be transmitted.
>                Jim Bell
>

While I was not born yet back then, less than twenty years later I
built such program, playing with control messages sent from the host
to the AT keyboard.

Alfonso