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MOBISYS
2010
ACM

Ensemble: cooperative proximity-based authentication

9 years 3 months ago
Ensemble: cooperative proximity-based authentication
Ensemble is a system that uses a collection of trusted personal devices to provide proximity-based authentication in pervasive environments. Users are able to securely pair their personal devices with previously unknown devices by simply placing them close to each other (e.g., users can pair their phones by just bringing them into proximity). Ensemble leverages a user's growing collection of trusted devices, such as phones, music players, computers and personal sensors to observe transmissions made by pairing devices. These devices analyze variations in received signal strength (RSS) in order to determine whether the pairing devices are in physical proximity to each other. We show that, while individual trusted devices can not properly distinguish proximity in all cases, a collection of trusted devices can do so reliably. Our Ensemble prototype extends DiffieHellman key exchange with proximity-based authentication. Our experiments show that an Ensemble-enabled collection of Nokia...
Andre Kalamandeen, Adin Scannell, Eyal de Lara, An
Added 02 Oct 2010
Updated 02 Oct 2010
Type Conference
Year 2010
Where MOBISYS
Authors Andre Kalamandeen, Adin Scannell, Eyal de Lara, Anmol Sheth, Anthony LaMarca
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