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SPDA: A Secure and Privacy-preserving Data Aggregation in Wireless Sensor Networks

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Title: SPDA: A Secure and Privacy-preserving Data Aggregation in Wireless Sensor Networks
Author(s): He, Wenbo; Nguyen, Hoang; Liu, Xue; Nahrstedt, Klara; Abdelzaher, Tarek F.
Subject(s): wireless networks wireless sensor networks
Abstract: Data aggregation is an efficient mechanism to collect statistics of data in wireless sensor networks. However, the shared-medium nature of communication facilitates eavesdropping and packet tampering/injection by adversaries. Hence, wireless sensor networks pose both privacy and security concerns on data aggregation. In this paper, we present SPDA.a secure and privacy-preserving data aggregation technique. We utilize disjoint aggregation paths/trees to collect data of interest, thus the base station can verify the integrity of the aggregation result by comparing the result from different paths/trees. To address data privacy, we cloak the privacy-sensitive data by sliding and reassembling technique. We evaluate the SPDA scheme in terms of capacity of privacy-preservation, communication overhead, and data aggregation accuracy. The evaluation is conducted through both theoretical analysis and simulation.
Issue Date: 2006-11
Genre: Technical Report
Type: Text
Other Identifier(s): UIUCDCS-R-2006-2794
Rights Information: You are granted permission for the non-commercial reproduction, distribution, display, and performance of this technical report in any format, BUT this permission is only for a period of 45 (forty-five) days from the most recent time that you verified that this technical report is still available from the University of Illinois at Urbana-Champaign Computer Science Department under terms that include this permission. All other rights are reserved by the author(s).
Date Available in IDEALS: 2009-04-21

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