Rice University

Events at Rice


Electrical and Computer Engineering
Dean of Engineering

Speaker: Kaiyuan Yang
University of Michigan Ann Arbor

ECE Seminar Seres: Securing the Internet of Things: A Hardware Perspective (698/699)

Monday, March 20, 2017
4:00 PM  to 5:00 PM

1064  Duncan Hall
Rice University
6100 Main St
Houston, Texas, USA

The Internet of Things (IoT) is expected to connect our physical world with billions of sensors and actuators, transforming the way we live and work, as well as creating enormous business markets. Security and privacy are seen as the most critical challenges to IoT growth in the future. Because of the severe energy and cost constraints as well as physical exposure of the IoT devices, software-only security cannot meet the performance demands and faces a variety of new threats targeting hardware, such as cache attacks, side-channel attacks, and semiconductor supply chain attacks. Therefore, to meet the unique challenges of IoT security, hardware designs are in strong demand to complement software defenses, specifically for providing efficient roots of trust, acceleration of secure communications, and protections against physical attacks. Security spans the complete stack of a system and can only be solved holistically through cross-layer co-optimizations. In this talk, I will present hardware designs for IoT security, which cross analog and digital domains and incorporate system considerations. I will first present robust and portable true random number generators (TRNG) and physically unclonable functions (PUF) as roots of trusts for key generation and storage. Several of the designs employ commonly avoided higher order harmonics in multi-mode oscillators as entropy sources. Then, a compact and energy-efficient crypto accelerator for Advanced Encryption Standard (AES) will be shown as another type of fundamental block to support secure IoT system. On the other hand, finding potential security flaws is an indispensable part of enhancing system security. I will unveil one potential vulnerability of integrated circuits by presenting a hardware Trojan attack leveraging analog behaviors of processors, which represents the first fabrication-time hardware attack that is small, stealthy and controllable. Lastly, I will conclude the talk with my vision on future low-power and secure hardware platforms for various IoT applications, which requires strong security primitives, functional blocks (for sensing, power management and processing) fused with analog and digital security protections, and secure communication protocols co-optimized with hardware.

Biography of Kaiyuan Yang:
Kaiyuan Yang is a Ph.D. candidate in Electrical and Computer Engineering at the University of Michigan, Ann Arbor, where he received his M.S. degree in 2014. He received his Bachelor degree in Microelectronics from Tsinghua University, China, in 2012. His research interests include digital and mixed-signal circuit design for secure and low-power systems, hardware security, and circuit/system design using emerging technologies. He was the recipient of the 2016-2017 IEEE Solid-State Circuits Society (SSCS) Predoctoral Achievement Award, the Distinguished Paper Award at the 2016 IEEE International Symposium on Security and Privacy (S&P), the Best Student Paper Award (1st place) at the 2015 IEEE International Symposium on Circuits and Systems (ISCAS), the 2016 Pwnie Most Innovative Research Award Finalist, and the Best Undergraduate Thesis Award from Tsinghua University in 2012.

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