ELi5: How does Keystroke Anonymization Tools work
In: Technology
Applications that profile persons based on their keystrokes use exact timing mechanisms. Each timing of a sequence of keystrokes is recorded and kept as reference.
A tool that anonymizes keystrokes sits between the keyboard and the application, usually in the form of a keyboard “driver” in the Operating System.
What is does it buffers the keystrokes for a short while before sending them to the application directly. All buffered keystrokes are sent to the application with a fixed (or sometimes random) delay in stead of the original delay when they were typed in.
Now the application can not profile the keystrokes anymore because the timings are obfuscated.
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