A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
Random Key Predistribution Schemes for Sensor Networks
SP '03 Proceedings of the 2003 IEEE Symposium on Security and Privacy
Wireless Sensor Networks
A survey on key management mechanisms for distributed Wireless Sensor Networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Topological Structure and Analysis of Interconnection Networks
Topological Structure and Analysis of Interconnection Networks
Sensor network security: a survey
IEEE Communications Surveys & Tutorials
IEEE Communications Magazine
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When designing wireless sensor networks, the process of establishing and distributing the secret keys securely and efficiently is very challenging due to the unpredictable network topology. Recently, hypercube virtual backbone approach has been used to provide efficient data gathering schemes for the wireless sensor networks. The hypercube attractive structure and topological properties provide several disjoint paths between any two nodes which can be utilized to overcome this problem easily and efficiently, In this paper, we propose a novel scheme for pairwise key establishment for wireless sensor networks. The scheme relays on the hypercube virtual backbone and works by generating keys and distributing them securely over multiple disjoint paths which are provided by the hypercube structure. We propose an algorithm for the generation of keys and their distribution through multiple disjoint paths as well as another distributed algorithm to identify the disjoint paths within the virtual hypercube and route the keys securely and efficiently through them. Our scheme has better network resilience against node capture attack. Moreover, it provides more scalability, lower storage overhead as well as lower communication and computational overhead compared to other existing approaches.