gpg-rsa-key decryption with a mobile

system at system at
Wed Dec 18 18:31:41 CET 2013

"Here, we describe a new acoustic cryptanalysis key extraction attack, 
applicable to GnuPG's current implementation of RSA. 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." <>
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