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A comment on Listen to Your Key: Towards Acoustics-based Physical Key Inference.

Re:Listen to Your Key: Towards Acoustics-based Physical Key ... by timonoko on Tuesday August 18, 2020 @10:30PM (#24206590)
You do not need a key, dammit. You could analyse the sounds the pins make, when scraped with a pick. Longer pins resonate with lower frequency.
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Re:Listen to Your Key: Towards Acoustics-based Physical Key ... by pishpash on Tuesday August 18, 2020 @10:37PM (#24206615)
Why even scrape with a pick, at that point, just bang the lock and get the impulse response.
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