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Physical Unclonable Functions (PUFs) leverage manufacturing process imperfections that cause propagation delay discrepancies for the signals traveling along these paths. While PUFs can be used for device authentication and chip-specific key…

Cryptography and Security · Computer Science 2024-02-14 Michael Dominguez , Amin Rezaei

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

Physically unclonable functions (PUFs) are designed to act as device 'fingerprints.' Given an input challenge, the PUF circuit should produce an unpredictable response for use in situations such as root-of-trust applications and other…

This paper proposes a 3-input arbiter-based novel physically unclonable function (PUF) design. Firstly, a 3-input priority arbiter is designed using a simple arbiter, two multiplexers (2:1), and an XOR logic gate. The priority arbiter has…

Cryptography and Security · Computer Science 2022-07-22 Simranjeet Singh , Srinivasu Bodapati , Sachin Patkar , Rainer Leupers , Anupam Chattopadhyay , Farhad Merchant

We introduce a Physically Unclonable Function (PUF) based on an ultra-fast chaotic network known as a Hybrid Boolean Network (HBN) implemented on a field programmable gate array. The network, consisting of $N$ coupled asynchronous logic…

Cryptography and Security · Computer Science 2021-04-08 Noeloikeau Charlot , Daniel Canaday , Andrew Pomerance , Daniel J. Gauthier

Physically Unclonable Function (PUF) circuits are finding widespread use due to increasing adoption of IoT devices. However, the existing strong PUFs such as Arbiter PUFs (APUF) and its compositions are susceptible to machine learning (ML)…

Cryptography and Security · Computer Science 2018-12-14 Nimesh Shah , Manaar Alam , Durga Prasad Sahoo , Debdeep Mukhopadhyay , Arindam Basu

Physical Unclonable Functions (PUFs) are widely used to generate random Numbers. In this paper we propose a new architecture in which an Arbiter Based PUF has been employed as a nonlinear function in Nonlinear Feedback Shift Register (NFSR)…

Cryptography and Security · Computer Science 2012-04-12 Ali Sadr , Mostafa Zolfaghari-Nejad

A silicon physically unclonable function (PUF) is considered to be one of the key security system solutions for local devices in an era in which the internet is pervasive. Among many proposals, a PUF using ring oscillators (RO-PUF) has the…

Cryptography and Security · Computer Science 2017-07-07 Tetsufumi Tanamoto , Shinich Yasuda , Satoshi Takaya , Shinobu Fujita

A unique set of characteristics are packed in emerging nonvolatile reduction-oxidation (redox)-based resistive switching memories (ReRAMs) such as their underlying stochastic switching processes alongside their intrinsic highly nonlinear…

Emerging Technologies · Computer Science 2016-11-16 Jeeson Kim , Taimur Ahmed , Hussein Nili , Jiawei Yang , Doo Seok Jeong , Paul Beckett , Sharath Sriram , Damith C. Ranasinghe , Omid Kavehei

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

We present a comprehensive investigation into the complexity of a new private key storage apparatus: a novel silicon photonic physical unclonable function (PUF) based on ultrafast nonlinear optical interactions in a chaotic silicon…

We present a memristive device based R$ ^3 $PUF construction achieving highly desired PUF properties, which are not offered by most current PUF designs: (1) High reliability, almost 100\% that is crucial for PUF-based cryptographic key…

Emerging Technologies · Computer Science 2017-03-06 Yansong Gao , Damith C. Ranasinghe

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

Physical Unclonable Functions (PUFs) are widely used in key generation, with each PUF cell typically producing one bit of data. To enable the extraction of longer keys, a new non-binary response generation scheme based on the…

Cryptography and Security · Computer Science 2024-10-29 Yonghong Bai , Zhiyuan Yan

A physical unclonable function (PUF), analogous to a human fingerprint, has gained an enormous amount of attention from both academia and industry. SRAM PUF is among one of the popular silicon PUF constructions that exploits random initial…

Cryptography and Security · Computer Science 2017-05-23 Yansong Gao , Hua Ma , Said F. Al-Sarawi , Derek Abbott , Damith C. Ranasinghe

An SRAM Physical Unclonable Function (PUF) can distinguish SRAM modules by analyzing the inherent randomness of their start-up behavior. However, the effectiveness of this technique varies depending on the design and fabrication of the SRAM…

Cryptography and Security · Computer Science 2026-03-17 Martina Zeinzinger , Josef Langer , Florian Eibensteiner , Phillip Petz , Lucas Drack , Daniel Dorfmeister , Rudolf Ramler

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

Physical unclonable functions (PUFs) exploit the intrinsic complexity and irreproducibility of physical systems to generate secret information. PUFs have the potential to provide fundamentally higher security than traditional cryptographic…

Other Condensed Matter · Physics 2013-02-12 Omid Kavehei , Chun Hosung , Damith Ranasinghe , Stan Skafidas

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

Physically Unclonable Functions (PUFs) are lightweight cryptographic primitives for generating unique signatures from minuscule manufacturing variations. In this work, we present lightweight, area efficient and low power adaptive multi-bit…

Hardware Architecture · Computer Science 2019-12-17 Sudarshan Sharma , Dhruv Thapar , Nikhil Bhelave , Mrigank Sharad