copyright reference: Thomas Ott / TU Darmstadt

Publications

Revisiting Context-Based Pairing in IoT

Author Markus Miettinen, Thien Duc Nguyen, N. Asokan, Ahmad-Reza Sadeghi
Date June 2018
Kind Inproceedings
PublisherACM
AddressSan Francisco, CA, USA
Book titleProceedings of the 55th Design Automation Conference (DAC)
Note[to appear]
KeyTUD-CS-2018-0038
Research Areas CYSEC, ICRI-SC, System Security Lab
Abstract The emergence of IoT poses new challenges towards solutions for authenticating numerous very heterogeneous IoT devices to their respective trust domains. Using passwords or pre-defined keys have drawbacks that limit their use in IoT scenarios. Recent works propose to use contextual information about ambient physical properties of devices' surroundings as a shared secret to mutually authenticate devices that are co-located, e.g., the same room. In this paper, we analyze these context-based authentication solutions with regard to their security and requirements on context quality. We quantify their achievable security based on empirical real-world data from context measurements in typical IoT environments.
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