[linux-elitists] [paper] RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis

Bill Bogstad bogstad at pobox.com
Thu Dec 19 14:58:07 PST 2013

On Thu, Dec 19, 2013 at 2:57 PM, Darlene Wallach
<freepalestin at dslextreme.com> wrote:
> fyi...
> saw this posted on Google+:
> Nebadon Izumi originally shared:
> http://www.cs.tau.ac.il/~tromer/acoustic/
> "The attack can extract full 4096-bit RSA decryption keys from laptop
> computers (of various models), within an hour, using the sound
> generated by the computer during the decryption of some chosen
> ciphertexts."
> fantastic! :/
> So ya this basically just rendered all encryption virtually useless!

Not even close.   Even if one believes everything being said about the
result, all it means is that
one shouldn't let anyone be within acoustic range of their computer
when it is decrypting the message.
That isn't much harder to accomplish than not letting anyone read my
email over my shoulder.

Bill Bogstad

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