A Security Architecture for Wireless Medical Sensor Networks

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• Abdul Alim (University of Cambridge)
• Thursday 22 November 2007, 16:30-17:30
• Lecture Theatre 2, Computer Laboratory, William Gates Builiding.

If you have a question about this talk, please contact Eiko Yoneki.

Wireless sensor networks are becoming popular in medical monitoring and require higher levels of security. In this presentation, I will present a security architecture to provide authentication and key management for medical sensor networks. Widely used EAP authentication framework is extended and the GPSK authentication method is optimized for securing the system. Three-party EAP model with PAN coordinator as the authenticator is used for authenticating PAN coordinator’s first-hop neighbors. For distant nodes, relay authenticators are used for tunneling EAP messages from supplicants to the authenticator and vice-versa. The EAP encapsulation for WPA Ns and a key hierarchy are proposed for the system. The system is simulated using NS-2, which shows that EAP based security protocol is feasible in WSNs.

This talk is my master thesis from University of Northern British Columbia, Canada.

This talk is part of the Computer Laboratory Systems Research Group Seminar series.

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