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Related papers: Toward Physically Unclonable Functions from Plasmo…

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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

During the last years, Physically Unclonable Functions (PUFs) have become a very important research area in the field of hardware security due to their capability of generating volatile secret keys as well as providing a low-cost…

Cryptography and Security · Computer Science 2024-02-15 M. Garcia-Bosque , G. Díez-Señorans , C. Sánchez-Azqueta , S. Celma

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

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…

A new definition of "Physical Unclonable Functions" (PUFs), the first one that fully captures its intuitive idea among experts, is presented. A PUF is an information-storage system with a security mechanism that is 1. meant to impede the…

Cryptography and Security · Computer Science 2015-01-27 Rainer Plaga , Dominik Merli

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…

Counterfeiting threatens human health, social equity, national security and global and local economies. Hardware-based cryptography that exploits physical unclonable functions (PUFs) provides the means for secure identification and…

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

Physical unclonable functions (PUFs), physical objects that are practically unclonable because of their andom and uncontrollable manufacturing variations, are becoming increasingly popular as security primitives and unique identifiers in a…

Cryptography and Security · Computer Science 2022-12-26 E. Marakis , U. Rührmair , M. Lachner , R. Uppu , B. Škorić , P. W. H. Pinkse

Physically unclonable functions (PUFs) identify integrated circuits using nonlinearly-related challenge-response pairs (CRPs). Ideally, the relationship between challenges and corresponding responses is unpredictable, even if a subset of…

As the Covid-19 pandemic grips the world, healthcare systems are being reshaped, where the e-health concepts become more likely to be accepted. Wearable devices often carry sensitive information from users which are exposed to security and…

Cryptography and Security · Computer Science 2020-12-16 Kavya Dayananda , Nima Karimian

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

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

The characteristic novelty of what is generally meant by a "physical unclonable function" (PUF) is precisely defined, in order to supply a firm basis for security evaluations and the proposal of new security mechanisms. A PUF is defined as…

Cryptography and Security · Computer Science 2012-04-05 Rainer Plaga , Frank Koob

Physical unclonable function (PUF) has been proposed as a promising and trustworthy solution to a variety of cryptographic applications. Here we propose a non-imaging based authentication scheme for optical PUFs materialized by random…

Cryptography and Security · Computer Science 2021-11-30 Pidong Wang , Feiliang Chen , Dong Li , Song Sun , Feng Huang , Taiping Zhang , Qian Li , Kun Chen , Yongbiao Wan , Xiao Leng , Yao Yao

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

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

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

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…

Physically Unclonable Functions (PUFs) have become an important and promising hardware primitive for device fingerprinting, device identification, or key storage. Intrinsic PUFs leverage components already found in existing devices, unlike…

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