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RT @feross@twitter.com: Detect pressed keys via microphone audio capture in real-time. Uses training data captured by typing first. Very neat!
https://github.com/ggerganov/kbd-audio
Based on ideas in this classic traffic analysis paper: Timing Analysis of Keystrokes and Timing Attacks on SSH https://people.eecs.berkeley.edu/~daw/papers/ssh-use01.pdf
