also related: RSA key extraction in one hour via mobile phone microphone placed next to PC http://m.cacm.acm.org/magazines/2016/6/202646-physical-key-extracti

also related: RSA key extraction in one hour via mobile phone microphone placed next to PC http://m.cacm.acm.org/magazines/2016/6/202646-physical-key-extraction-attacks-on-pcs/fulltext http://m.cacm.acm.org/magazines/2016/6/202646-physical-key-e...