Physically Unclonable Functions: A Window into CMOS Process Variations

Authored by: Raghavan Kumar , Xiaolin Xu , Wayne Burleson , Sami Rosenblatt , Toshiaki Kirihata

Circuits and Systems for Security and Privacy

Print publication date:  May  2016
Online publication date:  May  2016

Print ISBN: 9781482236880
eBook ISBN: 9781482236897
Adobe ISBN:


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The role of embedded systems in everyday life has increased significantly in the last decade and will likely continue to in the forthcoming days. Some major embedded systems include smartphones, tablets, payment systems, smart cards, and medical devices. The trend of ubiquitous computing has therefore seen a great scope of improvement and has led to an era of Internet of Things (IoT), where the devices have communication ability in addition to computation power. However, because of their ubiquitous nature, they also bring out security and privacy issues as they pose an ideal target for attackers. In particular, protection of sensitive data stored on the devices has brought forth an alarming issue and demands cryptographic protection.

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