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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

A Physically Unclonable Function (PUF) is a hardware security primitive used for authentication and key generation. It takes an input bit-vector challenge and produces a single-bit response, resulting in a challenge-response pair (CRP). The…

Cryptography and Security · Computer Science 2024-07-01 Vincent Dumoulin , Wenjing Rao , Natasha Devroye

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

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

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

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 (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

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

We consider a secret key agreement problem in which noisy physical unclonable function (PUF) outputs facilitate reliable, secure, and private key agreement with the help of public, noiseless, and authenticated storage. PUF outputs are…

Signal Processing · Electrical Eng. & Systems 2021-10-12 Onur Günlü , Rafael F. Schaefer , H. Vincent Poor

Unique key generation is essential for encryption purposes between Internet of Things (IoT) devices. To produce a unique key for this encryption, Physical Unclonable Functions (PUFs) might be employed. Also, the Random Number Generator…

Cryptography and Security · Computer Science 2023-04-11 Md Ishtyaq Mahmud , Ahmed Abdelgawad , Venkata P. Yanambaka

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…

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

Physical unclonable functions (PUFs) are small circuits that are widely used as hardware security primitives for authentication. These circuits can generate unique signatures because of the inherent randomness in manufacturing and process…

Emerging Technologies · Computer Science 2020-08-11 Lulu Ge , Keshab K. Parhi

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

Physical unclonable functions (PUFs), as hardware security primitives, exploit manufacturing randomness to extract hardware instance-specific secrets. One of most popular structures is time-delay based Arbiter PUF attributing to large…

Cryptography and Security · Computer Science 2017-06-21 Yansong Gao , Said F. Al-Sarawi , Derek Abbott , Ahmad-Reza Sadeghi , Damith C. Ranasinghe

The physical unclonable functions (PUF) are used to provide software as well as hardware security for the cyber-physical systems. They have been used for performing significant cryptography tasks such as generating keys, device…

Cryptography and Security · Computer Science 2020-06-17 Arjun Singh Chauhan , Vineet Sahula , Atanendu Sekhar Mandal

Physical unclonable functions (PUFs) are hardware structures in a physical system (e.g. semiconductor, crystals etc.) that are used to enable unique identification of the semiconductor or to secure keys for cryptographic processes. A PUF…

Quantum Physics · Physics 2023-09-19 Vladlen Galetsky , Soham Ghosh , Christian Deppe , Roberto Ferrara

Security is of critical importance for the Internet of Things (IoT). Many IoT devices are resource-constrained, calling for lightweight security protocols. Physical unclonable functions (PUFs) leverage integrated circuits' variations to…

Cryptography and Security · Computer Science 2021-03-25 Yu Zhuang , Khalid T. Mursi , Li Gaoxiang

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
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