typing-patternkeystroke dynamics · dwell time · flight time · digraphs · biometric signature
Texte de référence
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The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs. How vexingly quick daft zebras jump.
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Methodology
Client-side only — no data transmitted to the server
Dwell time: key hold duration (keydown → keyup) — characteristic per finger and habit
Flight time: interval between key release and next press — reveals fine motor patterns
Digraphs: timing of frequent key pairs (th, er, in...) — highly stable and discriminating
Used by TypingDNA, BehavioSec, BioCatch for continuous frictionless authentication