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This article presents a reconfigurable physically unclonable function (PUF) design fabricated using 65-nm CMOS technology. A subthreshold-inverter-based static PUF cell achieves 0.3% native bit error rate (BER) at 0.062-fJ per bit core…

Signal Processing · Electrical Eng. & Systems 2021-07-14 Dai Li , Kaiyuan Yang

Physical unclonable functions (PUF) extract secrets from randomness inherent in manufacturing processes. PUFs are utilized for basic cryptographic tasks such as authentication and key generation, and more recently, to realize key exchange…

Cryptography and Security · Computer Science 2017-01-31 Yansong Gao , Hua Ma , Geifei Li , Shaza Zeitouni , Said F. Al-Sarawi , Derek Abbott , Ahmad-Reza Sadeghi , Damith C. Ranasinghe

Physical unclonable functions (PUFs) are relatively new security primitives used for device authentication and device-specific secret key generation. In this paper we focus on SRAM-PUFs. The SRAM-PUFs enjoy uniqueness and randomness…

Information Theory · Computer Science 2018-05-03 Bin Chen , Tanya Ignatenko , Frans M. J. Willems , Roel Maes , Erik van der Sluis , Georgios Selimis

Physical unclonable functions (PUFs) involve challenging practical applications of error-correcting codes (ECCs), requiring extremely low failure rates on the order of $10^{-6}$ and below despite raw input bit error rates as high as 22%.…

Information Theory · Computer Science 2025-10-13 Marvin Rübenacke , Sebastian Cammerer , Michael Sullivan , Alexander Keller

Physical Unclonable Functions (PUFs) enable physical tamper protection for high-assurance devices without needing a continuous power supply that is active over the entire lifetime of the device. Several methods for PUF-based tamper…

Information Theory · Computer Science 2025-02-06 Georg Maringer , Matthias Hiller

This paper provides a proof of concept for using SRAM based Physically Unclonable Functions (PUFs) to generate private keys for IoT devices. PUFs are utilized, as there is inadequate protection for secret keys stored in the memory of the…

Cryptography and Security · Computer Science 2019-07-30 Ashwija Reddy Korenda , Fatemeh Afghah , Bertrand Cambou , Christopher Philabaum

Hardware-based security primitives have become critical to enhancing information security in the Internet of Things (IoT) era. Physical unclonable functions (PUFs) utilize the inherent variations in the manufacturing process to generate…

Cryptography and Security · Computer Science 2025-09-26 Min Wang , Chuanpeng Jiang , Zhaohao Wang , Zhengyi Hou , Zhongkui Zhang , Yuanfu Zhao , Hongxi Liu , Weisheng Zhao

Physical Unclonable Functions (PUFs) are modern solutions for cheap and secure key storage. The security level strongly depends on a PUF's unpredictability, which is impaired if certain bits of the PUF response tend towards the same value…

Signal Processing · Electrical Eng. & Systems 2020-01-22 Florian Wilde , Michael Pehl

Physical Unclonable Functions (PUFs) have emerged as a promising solution to identify and authenticate Integrated Circuits (ICs). In this paper, we propose a novel NAND-based Set-Reset (SR) Flip-flop (FF) PUF design for security enclosures…

Cryptography and Security · Computer Science 2019-09-17 Rohith Prasad Challa , Sheikh Ariful Islam , Srinivas Katkoori

The Physical Unclonable Function (PUF) is a promising hardware security primitive because of its inherent uniqueness and low cost. To extract the device-specific variation from delay-based strong PUFs, complex routing constraints are…

Hardware Architecture · Computer Science 2017-04-03 Wei-Che Wang , Zhuoqi Li , Joseph Skudlarek , Mario Larouche , Michael Chen , Puneet Gupta

In this letter, a physical unclonable function (PUF)-advanced encryption standard (AES)-PUF is proposed as a new PUF architecture by embedding an AES cryptographic circuit between two conventional PUF circuits to conceal their…

Cryptography and Security · Computer Science 2018-10-18 Weize Yu , Jia Chen

Industrial Control Systems (ICS) rely on sensor feedback to keep safety-critical processes within operational limits. This research presents a hardware-root-of-trust that embeds a Physically Unclonable Function (PUF) at the measurement…

Cryptography and Security · Computer Science 2026-01-27 Ahmed Oun , Rishabh Das , Clay Hess , Aakriti Barat , Savas Kaya

Physically unclonable functions (PUFs) are used as low-cost cryptographic primitives in device authentication and secret key creation. SRAM-PUFs are well-known as entropy sources; nevertheless, due of non-deterministic noise environment…

Cryptography and Security · Computer Science 2024-12-03 Abdel Alheyasat , Gabriel Torrens , Sebastia A. Bota , Bartomeu Alorda

Physical Unclonable Functions (PUFs) are hardware security primitives whose inherent physical complexity can be exploited for secure authentication and cryptographic key generation. Silicon photonic devices, owing to their suitability for…

The scope of this paper is to demonstrate a fully working and compact photonic Physical Unclonable Function (PUF) device capable of operating in real life scenarios as an authentication mechanism and random number generator. For this…

Cryptography and Security · Computer Science 2020-03-12 M. Akriotou , A. Fragkos , D. Syvridis

Mobile and embedded devices are becoming inevitable parts of our daily routine. Similar to other electronic devices such as read access memory (RAM) and storage, mobile devices require to authenticate and to be authenticated in a secure…

Cryptography and Security · Computer Science 2019-01-23 Alireza Shamsoshoara

Embedded systems play a crucial role in fueling the growth of the Internet-of-Things (IoT) in application domains such as healthcare, home automation, transportation, etc. However, their increasingly network-connected nature, coupled with…

Cryptography and Security · Computer Science 2017-12-06 Soubhagya Sutar , Arnab Raha , Vijay Raghunathan

Physical unclonable functions (PUFs) are widely considered in secret key generation for resource constrained devices. However, PUFs require additional hardware overhead. In this paper, we focus on developing a PUF-efficient, robust, and…

Cryptography and Security · Computer Science 2021-03-09 Yonghong Bai , Zhiyuan Yan

Security has become a main concern for the smart grid to move from research and development to industry. The concept of security has usually referred to resistance to threats by an active or passive attacker. However, since smart meters…

Cryptography and Security · Computer Science 2023-07-25 Masoud Kaveh , Mohammad Reza Mosavi , Diego Martin , Saeed Aghapour

Physical Unclonable Functions (PUFs) are circuits designed to extract physical randomness from the underlying circuit. This randomness depends on the manufacturing process. It differs for each device enabling chip-level authentication and…

Cryptography and Security · Computer Science 2017-11-16 Yunxi Guo , Timothy Dee , Akhilesh Tyagi
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