A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
SIA: secure information aggregation in sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
Random key-assignment for secure Wireless Sensor Networks
Proceedings of the 1st ACM workshop on Security of ad hoc and sensor networks
E.cient Aggregation of encrypted data in Wireless Sensor Networks
MOBIQUITOUS '05 Proceedings of the The Second Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services
IEEE Transactions on Mobile Computing
SEDAN: Secure and Efficient protocol for Data Aggregation in wireless sensor Networks
LCN '07 Proceedings of the 32nd IEEE Conference on Local Computer Networks
Collaborative authentication in unattended WSNs
Proceedings of the second ACM conference on Wireless network security
Wireless mesh networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
On the impact of localization data in wireless sensor networks with malicious nodes
Proceedings of the 2nd SIGSPATIAL ACM GIS 2009 International Workshop on Security and Privacy in GIS and LBS
DyDAP: A dynamic data aggregation scheme for privacy aware wireless sensor networks
Journal of Systems and Software
Hardware and software solutions for wireless mesh network testbeds
IEEE Communications Magazine
Improving data quality using a cross layer protocol in wireless sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
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Typical wireless sensor networks (WSNs) applications are characterized by a certain number of different requirements such as: data accuracy, localization, reputation, security, and confidentiality. Moreover, being often battery powered, WSNs face the challenge of ensuring privacy and security despite power consumption limitations. When the application scenario allows their use, data aggregation techniques can significantly reduce the amount of data exchanged over the wireless link at the price of an increased computational complexity and the potential exposition to data integrity risks in the presence of malicious nodes. In this paper, we propose DARE, an hybrid architecture combining WSNs with the wireless mesh networking paradigm in order to provide secure data aggregation and node reputation in WSNs. Finally, the use of a secure verifiable multilateration technique allows the network to retain the trustworthiness of aggregated data even in the presence of malicious node. Extensive performance evaluations carried out using simulations as well as a real-world prototype implementation, show that DARE can effectively reduce the amount of data exchanged over the wireless medium delivering up to 50% battery lifetime improvement to the wireless sensors.