Excellent pointer. Full paper published today, 18 Dec 2013: RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis, by Genkin, Shamir, Tromer: http://www.cs.tau.ac.il/~tromer/papers/acoustic-20131218.pdf At 11:29 AM 12/18/2013, you wrote: >http://www.cs.tau.ac.il/~tromer/acoustic/