Efficient secure aggregation in sensor networks

  • Authors:
  • Pawan Jadia;Anish Mathuria

  • Affiliations:
  • Dhirubhai Ambani Institute of Information and Communication Technology, Gujarat, India;Dhirubhai Ambani Institute of Information and Communication Technology, Gujarat, India

  • Venue:
  • HiPC'04 Proceedings of the 11th international conference on High Performance Computing
  • Year:
  • 2004

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Abstract

In many applications of sensor networks, readings from sensor nodes are aggregated at intermediate nodes to reduce the communication cost The messages that are relayed in the data aggregation hierarchy may need confidentiality We present a secure data aggregation protocol for sensor networks that uses encryption for confidentiality, but without requiring decryption at intermediate nodes A salient feature of the protocol is the use of two-hop pairwise keys to provide integrity while minimizing the communication required between the base station and sensor nodes We analyze the performance of our protocol and compare its efficiency with a protocol proposed by Hu and Evans.