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Sensors 2016, 16(2), 259; doi:10.3390/s16020259

CSRQ: Communication-Efficient Secure Range Queries in Two-Tiered Sensor Networks

1,2,†,* , 1,†
,
1,2,†
,
1,†
and
1,†
1
School of Computer Science and Technology, Nanjing University of Posts and Telecommunications, No.66 Xinmofan Road, Nanjing 210013, China
2
Key Laboratory of Broadband Wireless Communication & Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education, Nanjing 210013, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Rongxing Lu
Received: 13 November 2015 / Revised: 8 February 2016 / Accepted: 15 February 2016 / Published: 20 February 2016
(This article belongs to the Special Issue Security and Privacy in Sensor Networks)
View Full-Text   |   Download PDF [2700 KB, uploaded 20 February 2016]   |  

Abstract

In recent years, we have seen many applications of secure query in two-tiered wireless sensor networks. Storage nodes are responsible for storing data from nearby sensor nodes and answering queries from Sink. It is critical to protect data security from a compromised storage node. In this paper, the Communication-efficient Secure Range Query (CSRQ)—a privacy and integrity preserving range query protocol—is proposed to prevent attackers from gaining information of both data collected by sensor nodes and queries issued by Sink. To preserve privacy and integrity, in addition to employing the encoding mechanisms, a novel data structure called encrypted constraint chain is proposed, which embeds the information of integrity verification. Sink can use this encrypted constraint chain to verify the query result. The performance evaluation shows that CSRQ has lower communication cost than the current range query protocols. View Full-Text
Keywords: two-tiered sensor networks; range query; privacy and integrity preserving; encrypted constraint chain two-tiered sensor networks; range query; privacy and integrity preserving; encrypted constraint chain
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Dai, H.; Ye, Q.; Yang, G.; Xu, J.; He, R. CSRQ: Communication-Efficient Secure Range Queries in Two-Tiered Sensor Networks. Sensors 2016, 16, 259.

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