RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis

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crayon

crayon

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Acoustic cryptanalysis

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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I wonder if this could be used as a vector on an HT for a system that encrypts it traffic ..

The article is a good read and it has pictures of the device in use.
 
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