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Home/Magazine Archive/February 1990 (Vol. 33, No. 2)/Identity authentication based on keystroke latencies/Abstract

Identity authentication based on keystroke latencies

By Rick Joyce, Gopal Gupta
Communications of the ACM, February 1990, Vol. 33 No. 2, Pages 168-176
10.1145/75577.75582
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The variables that help make a handwritten signature a unique human identifier also provide a unique digital signature in the form of a stream of latency periods between keystrokes. This article describes a method of verifying the identity of a user based on such a digital signature, and reports results from trial usage of the system.

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