Mobility

Blink 'Em All: Scalable, User-Friendly and Secure Initialization of Wireless Sensor Nodes

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Executive Summary

Wireless sensor networks have several useful applications in commercial and defense settings, as well as user-centric personal area networks. To establish secure (point-to-point and/or broadcast) communication channels among the nodes of a wireless sensor network is a fundamental security task. To this end, a plethora of so-called key pre-distribution schemes have been proposed in the past. All these schemes, however, rely on shared secret(s), which are assumed to be pre-loaded onto the sensor nodes, e.g., during the manufacturing process. In this paper, the authors consider the problem of user-assisted secure initialization of sensor network necessary to bootstrap key pre-distribution.

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