Time: Wednesday Nov 12th at 4pm Place: Gunness Student Center Conference Room. Refreshments will be served at 3:45pm. Title: Secure Processing in Embedded Systems Speaker: Tilman Wolf, Professor of ECE, UMass Amherst. Abstract: The inherent limitations of embedded systems make them particularly vulnerable to attacks. In this talk, I present the design of an on-chip monitoring system to identify and defend against such attacks. I discuss the design of a hardware monitor that operates in parallel to the embedded processor and detects any attack that causes the embedded processor to deviate from its originally programmed behavior. In this context, several different characteristics can be used for monitoring and I show the quantitative tradeoffs between these approaches. Our results show that our proposed hash-based monitoring pattern can detect attacks within one instruction cycle at lower memory requirements than traditional approaches that use control-flow information. I conclude the talk with a brief overview of our ongoing research efforts in this area. Biography (short): Tilman Wolf is an associate professor in the Department of Electrical and Computer Engineering at the University of Massachusetts Amherst. He received his D.Sc. in computer science from Washington University in St. Louis in 2002. His research interests are next-generation Internet architecture, programmable routers, network processors, and embedded system security. |
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