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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

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

In this work, we design and implement a strong physical uncloneable function from an array of individual resonant tunnelling diodes that were previously described to have a unique response when challenged. The system demonstrates the…

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

We investigate usage of nonlinear wave chaotic amorphous silicon (a-Si) cavities as physically unclonable functions (PUF). Machine learning attacks on integrated electronic PUFs have been demonstrated to be very effective at modeling PUF…

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

In this thesis, several linear and non-linear machine learning attacks on optical physical unclonable functions (PUFs) are presented. To this end, a simulation of such a PUF is implemented to generate a variety of datasets that differ in…

Cryptography and Security · Computer Science 2023-01-09 Michael Lachner

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

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

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

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

Physical Unclonable Functions (PUFs) are emerging as promising security primitives for IoT devices, providing device fingerprints based on physical characteristics. Despite their strengths, PUFs are vulnerable to machine learning (ML)…

Cryptography and Security · Computer Science 2024-06-11 Gaoxiang Li , Yu Zhuang

Disordered photonic structures are promising materials for the realization of physical unclonable functions (PUF), physical objects that can overcome the limitations of conventional digital security methods and that enable cryptographic…

Mesoscale and Nanoscale Physics · Physics 2023-03-06 Sara Nocentini , Ulrich Rührmair , Mauro Barni , Diederik S. Wiersma , Francesco Riboli

Physically Unclonable Functions (PUFs) are used for securing electronic devices across the implementation spectrum ranging from Field Programmable Gate Array (FPGA) to system on chips (SoCs). However, existing PUF implementations often…

Cryptography and Security · Computer Science 2023-03-31 Christopher Vega , Shubhra Deb Paul , Patanjali SLPSK , Swarup Bhunia

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

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…

Information security is of great importance for modern society with all things connected. Physical unclonable function (PUF) as a promising hardware primitive has been intensively studied for information security. However, the widely…

Cryptography and Security · Computer Science 2021-09-09 Yongbiao Wan , Pidong Wang , Feng Huang , Jun Yuan , Dong Li , Kun Chen , Jianbin Kang , Qian Li , Taiping Zhang , Song Sun , Zhiguang Qiu , Yao Yao

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

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

A physically unclonable function (PUF) is an electronic circuit that produces an intrinsic identifier in response to a challenge. These identifiers depend on uncontrollable variations of the manufacturing process, which make them hard to…

Information Theory · Computer Science 2019-07-15 Alexander Schaub , Olivier Rioul , Joseph , Joseph J. Boutros