Privacy-Preserving Querying in Sensor Networks

Privacy-Preserving Querying in Sensor Networks

Wireless Sensor Networks (WSNs) provide sensing and monitoring services by means of many tiny autonomous devices equipped with wireless radio transceivers. With largescale WSNs being deployed on a long-term basis, not only security but also privacy issues must be taken into account. Furthermore, whe...

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Bibliographic Details
Main Authors: CRISTOFARO, Emiliano, DING, Xuhua, Tsudik, Gene
Format: text
Language:English
Published: Institutional Knowledge at Singapore Management University 2009
Subjects:
Autonomous devices
Cryptographic techniques
Monitoring services
Network operator
On-Demand
Privacy issue
Privacy preserving
Query mechanisms
Query patterns
Sensor measurements
Sensor readings
Wireless radios
Information Security
Online Access:https://ink.library.smu.edu.sg/sis_research/290
http://dx.doi.org/10.1109/ICCCN.2009.5235352
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Institution: Singapore Management University
Language: English
Description
Summary:Wireless Sensor Networks (WSNs) provide sensing and monitoring services by means of many tiny autonomous devices equipped with wireless radio transceivers. With largescale WSNs being deployed on a long-term basis, not only security but also privacy issues must be taken into account. Furthermore, when network operators offer on-demand access to sensor measurements to their clients, query mechanisms should ideally leak neither client interests nor query patterns. In this paper, we present a privacy-preserving WSN query mechanism that uses standard cryptographic techniques. Besides preventing unauthorized entities from accessing sensor readings, it minimizes leakage of (potentially sensitive) information about users' query targets and patterns.

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