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As modern cyber systems scale to include large populations of heterogeneous IoT devices, securing them against impersonation and forgery is a critical cybersecurity challenge. Physical Unclonable Functions (PUFs) offer a lightweight,…

Cryptography and Security · Computer Science 2026-05-11 Xin Wang , Peichun Hua , Chip Hong Chang , Wenye Liu , Yue Zheng

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 rapid integration of artificial intelligence (AI) into Internet of Things (IoT) and edge computing systems has intensified the need for robust, hardware-rooted trust mechanisms capable of ensuring device authenticity and AI model…

Cryptography and Security · Computer Science 2026-04-24 Maryam Taghi Zadeh , Mohsen Ahmadi

Physical unclonable functions (PUFs) are hardware-oriented primitives that exploit manufacturing variations to generate a unique identity for a physical system. Recent advancements showed how DRAM can be exploited to implement PUFs. DRAM…

Cryptography and Security · Computer Science 2023-07-20 Fatemeh Najafi , Masoud Kaveh , Mohammad Reza Mosavi , Alessandro Brighente , Mauro Conti

We present a secure communication system constructed using pairs of nonlinear photonic physical unclonable functions (PUFs) that harness physical chaos in integrated silicon micro-cavities. Compared to a large, electronically stored…

Cryptography and Security · Computer Science 2018-03-14 Brian C. Grubel , Bryan T. Bosworth , Michael R. Kossey , A. Brinton Cooper , Mark A. Foster , Amy C. Foster

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

The Internet of Things (IoT) has improved people's lives by seamlessly integrating into many facets of modern life and facilitating information sharing across platforms. Device Authentication and Key exchange are major challenges for the…

Cryptography and Security · Computer Science 2023-11-08 Chandranshu Gupta , Gaurav Varshney

Physical Unclonable Functions (PUFs) leverage signal variations that occur within the device as a source of entropy. On-chip instrumentation is utilized by some PUF architectures to measure and digitize these variations, which are then…

Cryptography and Security · Computer Science 2024-09-04 Jim Plusquellic , Jennifer Howard , Ross MacKinnon , Kristianna Hoffman , Eirini Eleni Tsiropoulou , Calvin Chan

Quantum physical unclonable functions, or QPUFs, are rapidly emerging as theoretical hardware solutions to provide secure cryptographic functionalities such as key-exchange, message authentication, entity identification among others. Recent…

Quantum Physics · Physics 2021-01-15 Niraj Kumar , Rawad Mezher , Elham Kashefi

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

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

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

Error correction is an indispensable component when Physical Unclonable Functions (PUFs) are used in cryptographic applications. So far, there exist schemes that obtain helper data, which they need within the error correction process. We…

Cryptography and Security · Computer Science 2016-11-09 Sven Müelich , Martin Bossert

In most PUF-based authentication schemes, a central server is usually engaged to verify the response of the device's PUF to challenge bit-streams. However, the server availability may be intermittent in practice. To tackle such an issue,…

Cryptography and Security · Computer Science 2022-06-15 Mohammad Ebrahimabadi , Mohamed Younis , Wassila Lalouani , Naghmeh Karimi

Physical Unclonable Functions (PUFs) have been proposed as a way to identify and authenticate electronic devices. Recently, several ideas have been presented that aim to achieve the same for quantum devices. Some of these constructions…

Quantum Physics · Physics 2022-06-24 Niklas Pirnay , Anna Pappa , Jean-Pierre Seifert

The Internet of Medical Things (IoMT) marks a shift toward decentralized healthcare, enabling continuous monitoring and personalized care through connected wearable and implantable devices. However, ensuring the trust and integrity of these…

Cryptography and Security · Computer Science 2026-05-22 Yueqi Ma , Vivek Mohan , Chip-Hong Chang , Emmanuel M. Drakakis

Physical Unclonable Functions (PUFs) are promising security primitives for resource-constrained network nodes. The XOR Arbiter PUF (XOR PUF or XPUF) is an intensively studied PUF invented to improve the security of the Arbiter PUF, probably…

Cryptography and Security · Computer Science 2022-06-06 Gaoxiang Li , Khalid T. Mursi , Ahmad O. Aseeri , Mohammed S. Alkatheiri , Yu Zhuang

Lightweight authentication is essential for resource-constrained Internet-of-Things (IoT). Implementable with low resource and operable with low power, Physical Unclonable Functions (PUFs) have the potential as hardware primitives for…

Cryptography and Security · Computer Science 2026-04-14 Yu Zhuang , Gaoxiang Li

Physical Unclonable Function (PUF) is a hardware security primitive with a desirable feature of low-cost. Based on the space of challenge-response pairs (CRPs), it has two categories:weak PUF and strong PUF. Though designing a reliable and…

Cryptography and Security · Computer Science 2022-04-27 Jianrong Yao , Lihui Pang , Zhi Zhang , Wei Yang , Anmin Fu , Yansong Gao

There has been a growing interest in fully integrating Physical Unclonable Function (PUF) for cryptographic primitives, or keyless encryption. Keyless primitives do not store key information during the entire encryption and decryption…

Cryptography and Security · Computer Science 2021-09-24 Dina Ghanai Miandoab , Sareh Assiri , Joseph Mihaljevic , Bertrand Cambou
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