Some questions

[Faramir]

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Alexander W. Janssen escribió:
> Werner Koch wrote:
>> Further,
>> entering the passphrase is subject to side channel atatcks like should
>> surfing or recording the sound of the keyboard.
> 
> Don't tell me there are actually real attacks by recording the sound of
> the keyboard...?! What does that mean, every key clicks differently?

  Supposedly, anything can be used to increase the success chances of an
attack, including the sounds in the keyboard (it can give the number of
digits of the passphrase), variations in CPU temp, etc... But probably
we won't have James Bond chasing our passphrases...

 Best Regards
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