A key-management scheme for distributed sensor networks
Proceedings of the 9th ACM conference on Computer and communications security
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This paper describes an extensible simulation environment for the modeling of wireless sensor networks (WSNs). In particular, our simulator facilitates the study of secure connectivity between sensor nodes. The simulator has five main components: network topology model, key establishment protocol, adversary model for node capture, network analysis tools, and a graphical user interface (GUI) to facilitate rapid simulation, visualization, and analysis of WSNs. We present the design and implementation of our simulation tool, including the methodologies and algorithms underlying each component, and the data flow dependencies between them. Additionally, we describe the data collection and analysis functions integrated within the simulator, and how these can be used for in-depth simulation studies. We have used the simulator to verify asymptotic analytical results for secure WSNs, as well as to investigate their structural characteristics. We present selected results to demonstrate the use and value of our simulation tool.