Grabham, Neil and White, Neil
Use of a novel keypad biometric for enhanced user identity verification.
At FMTC 2008 – IEEE International Instrumentation and Measurement Technology Conference, Victoria, CA,
12 - 15 May 2008.
In everyday life many actions are secured and/or authenticated by use of a secret personal identification number (PIN). This paper reports an improvement to the security afforded by a numeric PIN system through the addition of a covert biometric identification process. This biometric identification process is achieved through the use of a modified keypad incorporating force sensors within the individual keys, these sensors permit the dynamic measurement of applied force and key-press timings, providing an advantage over existing keystroke dynamic techniques which rely on time-domain information only. Details of the experimental setup used are given, and the results from initial tests are reported. In these tests an equal error rate of approximately 10% is obtained and a false acceptance rate of 15% with a corresponding false rejection rate of 0% has been shown.
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