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User Identification and Authentication with Capacitive Touch Communication

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Published on Jun 15, 2012

Full version of the work appears in Proc. of ACM MobiCom 2012, Istanbul, Turkey: "Distinguishing Users with Capacitive Touch Communication"
http://www.winlab.rutgers.edu/~tamvu/...

Abstract:
Today's identification and authentication mechanisms for touchscreen-enabled devices are cumbersome and do not support brief usage and device sharing. To address this challenge, this work explores a novel form of "wireless" communication that exploits the capacitive touchscreens which are now used in laptops, phones, and tablets, as a signal receiver. Using a custom built hardware token, in the form of a wearable ring, we show a proof-of-concept system that transmits a user identification code to the mobile device through the touchscreen. This mechanism works without any modification to the hardware or the firmware of the mobile device.

Demo - MobiSys 2012, Lake District, United Kingdom

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