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They could record the sound of the keypresses too. They may be impossible to discriminate subjectively, but they all have a distinct signature...
by pygy 17y ago
They could record the sound of the keypresses too. They may be impossible to discriminate subjectively, but they all have a distinct signature...
- mgj 17y agoYep, see: http://www.cs.berkeley.edu/~zf/papers/keyboard-ccs05.pdf http://www.cs.berkeley.edu/~zf/papers/keyboard-ccs05.pdf