SRAM PUF: The Secure Silicon Fingerprint

Low-cost and strong secret key-storage technology is critical to enable affordable and effective security systems. Silicon Physical Unclonable Functions (PUFs) have been seen for years as a promising and innovative security technology. Today, Static Random-Access Memory (SRAM)-based PUFs offer a mature and viable security component that is achieving widespread adoption in commercial products. They are found in devices ranging from tiny sensors and microcontrollers to high-performance Field-Programmable Gate Arrays (FPGAs) and secure elements where they protect financial transactions, user privacy, and military secrets.

This paper shows that SRAM PUF is a mature technology for embedded authentication even in the most demanding environments.


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