Secure encrypted-data aggregation for wireless sensor networks

Shih I. Huang*, Shiuhpyng Shieh, J. D. Tygar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


This paper proposes a secure encrypted-data aggregation scheme for wireless sensor networks. Our design for data aggregation eliminates redundant sensor readings without using encryption and maintains data secrecy and privacy during transmission. Conventional aggregation functions operate when readings are received in plaintext. If readings are encrypted, aggregation requires decryption creating extra overhead and key management issues. In contrast to conventional schemes, our proposed scheme provides security and privacy, and duplicate instances of original readings will be aggregated into a single packet. Our scheme is resilient to known-plaintext attacks, chosen-plaintext attacks, ciphertext-only attacks and man-in-the-middle attacks. Our experiments show that our proposed aggregation method significantly reduces communication overhead and can be practically implemented in on-the-shelf sensor platforms.

Original languageEnglish
Pages (from-to)915-927
Number of pages13
JournalWireless Networks
Issue number4
StatePublished - 1 May 2010


  • Data aggregation
  • Privacy
  • Secrecy
  • Sensor networks
  • Wireless

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