[cryptography] The Compromised Internet

[rich@openwatch.net (Rich Jones)]

That kind of technology is already widely deployed in walkie talkies - I
think I remember at HOPE a speaker mentioning that the NYPD used this
technique until they abandoned it due to its inconvenience.

http://en.wikipedia.org/wiki/Frequency-hopping_spread_spectrum


On Wed, Sep 25, 2013 at 1:50 PM, grarpamp <grarpamp@gmail.com> wrote:

> On 9/25/13, John Young <jya@pipeline.com> wrote:
> > Now that it appears the Internet is compromised what other
> > means can rapidly deliver tiny fragments of an encrypted
> > message, each unique for transmission, then reassembled
> > upon receipt, kind of like packets but much smaller and less
> > predictable, dare say random?
> >
> > The legacy transceiver technologies prior to the Internet or
> > developed parallel to it, burst via radio, microwave, EM emanations,
> > laser, ELF, moon or planetary bounce, spread spectrum, ELF,
> > hydro, olfactory, quanta, and the like.
> >
> > Presumably if these are possible they will remain classified, kept
> > in research labs for advanced study, or shelved for future use.
>
> There is a spread spectrum radio tech where you broadcast on
> essentially all frequencies / wideband at once. To the eavesdropper
> it appears as simply a rise in unlocatable background noise levels.
> Yet there is a twist... you and your peer posess a crypto key. That
> key is used to select and form a broadcast/reception frequency map
> over the entire spectrum. You drive it with software radio. Think of the
> map as a vertically slotted grille mask over your spectrum analyzer.
> The grille spacing/width/overlap is random. What you see is your
> distributed signal hidden in the noise. Pass it down your stack
> for further processing and decoding.
>
> It's been a while since I've seen this described, whether formally, or
> applied. Link to paper[s] covering the topic would be appreciated.
>



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Rich Jones
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