Shake well before use: two implementations for implicit context authentication

Rene Mayrhofer, Hans Gellersen

Research output: Chapter in Book/Report/Conference proceedingsConference contribution

Abstract

Secure device pairing is especially difficult for spontaneous interaction in ubiquitous computing environments because of wireless communication, lack of powerful user interfaces, and scalability issues. We demonstrate a method to address this problem for small, mobile devices that does not require explicit user interfaces like displays or key pads. By shaking devices together in one hand for a few seconds, they are securely paired. Device authentication happens implicitly as part of the pairing process without the need for explicit user interaction “just for security”. Our method has been implemented in two variants: first, for high-quality data collection using wired accelerometers; second, using built-in accelerometers in standard Nokia 5500 mobile phones.
Original languageEnglish
Title of host publicationProceedings of Ubicomp 2007
Pages72-75
Publication statusPublished - 2007
EventUbicomp 2007 - Innsbruck, Austria
Duration: 16 Sep 200719 Sep 2007
http://www.ubicomp2007.org/

Conference

ConferenceUbicomp 2007
CountryAustria
CityInnsbruck
Period16.09.200719.09.2007
Internet address

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