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October 31, 2017 09:08 pm

New VibWrite System Uses Finger Vibrations To Authenticate Users

An anonymous reader quotes a report from Bleeping Computer: Rutgers engineers have created a new authentication system called VibWrite. The system relies on placing an inexpensive vibration motor and receiver on a solid surface, such as wood, metal, plastic, glass, etc.. The motor sends vibrations to the receiver. When the user touches the surface with one of his fingers, the vibration waves are modified to create a unique signature per user and per finger. Rutgers researchers say that VibWrite is more secure when users are asked to draw a pattern or enter a code on a PIN pad drawn on the solid surface. This also generates a unique fingerprint, but far more complex than just touching the surface with one finger. During two tests, VibWrite verified users with a 95% accuracy and a 3% false positive rate. The only problem researchers encountered in the live trials was that some users had to draw the pattern or enter the PIN number several times before they passed the VibWrite authentication test. Besides improvements to the accuracy with which VibWrite can detect finger vibrations, researchers also plan to look into how VibWrite will behave in outdoor environments to account for varying temperatures, humidity, winds, wetness, dust, dirt, and other conditions. This new novel user authentication system is described in full in a research paper entitled "VibWrite: Towards Finger-input Authentication on Ubiquitous Surfaces via Physical Vibration."

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