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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 promising security primitives for resource-constrained IoT devices. And the XOR Arbiter PUF (XOR-PUF) is one of the most studied PUFs, out of an effort to improve the resistance against machine…

Cryptography and Security · Computer Science 2026-04-14 Gaoxiang Li , Khalid T. Mursi , Yu Zhuang

With the expansion of the Internet of Things industry, the information security of Internet of Things devices attracts much attention. Traditional encryption algorithms require sensitive information such as keys to be stored in memory, and…

Cryptography and Security · Computer Science 2020-07-22 Yao Wang , Zhengtai Chang

In this work, we present ioPUF+, which incorporates a novel Physical Unclonable Function (PUF) that generates unique fingerprints for Integrated Circuits (ICs) and the IoT nodes encompassing them. The proposed PUF generates device-specific…

Cryptography and Security · Computer Science 2025-12-09 Dilli Babu Porlapothula , Pralay Chakrabarty , Ananya Lakshmi Ravi , Kurian Polachan

Physical Unclonable Functions (PUFs) based on Non-Volatile Memory (NVM) technology have emerged as a promising solution for secure authentication and cryptographic applications. By leveraging the multi-level cell (MLC) characteristic of…

Cryptography and Security · Computer Science 2025-01-14 Hassan Nassar , Ming-Liang Wei , Chia-Lin Yang , Jörg Henkel , Kuan-Hsun Chen

We present a practical and highly secure method for the authentication of chips based on a new concept for implementing strong Physical Unclonable Function (PUF) on field programmable gate arrays (FPGA). Its qualitatively novel feature is a…

Cryptography and Security · Computer Science 2016-10-14 Alexander Spenke , Ralph Breithaupt , Rainer Plaga

Physical unclonable functions (PUF) in silicon exploit die-to-die manufacturing variations during fabrication for uniquely identifying each die. Since it is practically a hard problem to recreate exact silicon features across dies, a…

Cryptography and Security · Computer Science 2018-05-07 Baibhab Chatterjee , Debayan Das , Shreyas Sen

Physically Unclonable Function (PUF) offers a secure and lightweight alternative to traditional cryptography for authentication due to their unique device fingerprint. However, their dependence on specialized hardware hinders their adoption…

Cryptography and Security · Computer Science 2025-08-05 S M Mostaq Hossain , Sheikh Ghafoor , Kumar Yelamarthi , Venkata Prasanth Yanambaka

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

The lack of stability is one of the major limitations that constrains PUF from being put in widespread practical use. In this paper, we propose a weak PUF and a strong PUF that are both completely stable with 0% intra-distance. These PUFs…

Cryptography and Security · Computer Science 2017-01-23 Wei-Che Wang , Yair Yona , Suhas Diggavi , Puneet Gupta

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

The widespread integration of embedded systems across various industries has facilitated seamless connectivity among devices and bolstered computational capabilities. Despite their extensive applications, embedded systems encounter…

Cryptography and Security · Computer Science 2024-04-16 Sreenitha Kasarapu , Sathwika Bavikadi , Sai Manoj Pudukotai Dinakarrao

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

A physical unclonable function (PUF) generates hardware intrinsic volatile secrets by exploiting uncontrollable manufacturing randomness. Although PUFs provide the potential for lightweight and secure authentication for increasing numbers…

Cryptography and Security · Computer Science 2020-05-05 Yansong Gao , Marten van Dijk , Lei Xu , Wei Yang , Surya Nepal , Damith C. Ranasinghe

Physically Unclonable Functions (PUFs) are potential security blocks to generate unique and more secure keys in low-cost cryptographic applications. Dynamic random-access memory (DRAM) has been proposed as one of the promising candidates…

Cryptography and Security · Computer Science 2019-08-02 B. M. S. Bahar Talukder , Biswajit Ray , Domenic Forte , Md Tauhidur Rahman

We address security and privacy problems for digital devices and biometrics from an information-theoretic optimality perspective, where a secret key is generated for authentication, identification, message encryption/decryption, or secure…

Signal Processing · Electrical Eng. & Systems 2021-01-11 Onur Günlü , Rafael F. Schaefer

A Physical Unclonable Function (PUF) is a device with unique behaviour that is hard to clone hence providing a secure fingerprint. A variety of PUF structures and PUF-based applications have been explored theoretically as well as being…

Quantum Physics · Physics 2021-06-16 Myrto Arapinis , Mahshid Delavar , Mina Doosti , Elham Kashefi

Authentication is a fundamental building block of secure quantum networks, essential for quantum cryptographic protocols and often debated as a key limitation of quantum key distribution (QKD) in security standards. Most quantum-safe…

Quantum Physics · Physics 2026-02-25 Suchetana Goswami , Mina Doosti , Elham Kashefi

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

This paper presents the PUF finite state machine (PUF-FSM) that is served as a practical {\it controlled} strong PUF. Previous controlled PUF designs have the difficulties of stabilizing the noisy PUF responses where the error correction…

Cryptography and Security · Computer Science 2017-01-27 Yansong Gao , Damith C. Ranasinghe