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Comment on RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysisparent

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Really? That's why we took so many years building HDMI? You can send that kind of data over the air as sound? and down a cable? What were we thinking? All this bother with radio waves, and compression, and hundreds of conductors?

Telephone with two cans and a string works. But not well enough that you can convert your Vinyl to OGG.

Of course you don't need anything approaching OGG or HDMI fidelity in the attack described.

Do some reading about processing on cyclostationary signals. Correlation is basically God's own free lunch.

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