TinyPEDS: Tiny persistent encrypted data storage in asynchronous wireless sensor networks

  • Authors:
  • Joao Girao;Dirk Westhoff;Einar Mykletun;Toshinori Araki

  • Affiliations:
  • NEC Europe Ltd., 69115 Heidelberg, Germany;NEC Europe Ltd., 69115 Heidelberg, Germany;University of California, Irvine, United States;NEC Internet Systems Research Labs, Kawasaki, Japan

  • Venue:
  • Ad Hoc Networks
  • Year:
  • 2007

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Abstract

In wireless sensor networks there is a need to securely store monitored data in a distributed way whenever it is either not desired or simply not possible to transmit regional volatile information to an authorised recipient in real-time. In particular, for wireless sensor network applications with an asynchronous character, the wireless sensor network itself needs to store the monitored data. Since nodes may disappear over time, a replicated and read-protected, but yet space- and energy-efficient, data storage is mandatory. In this work we provide and analyse an approach for a tiny Persistent Encrypted Data Storage (tinyPEDS) of the environmental fingerprint for asynchronous wireless sensor networks. Even if parts of the network are exhausted, restoring rules ensure that, with a high probability, environmental information from past is still available.