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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…

密码学与安全 · 计算机科学 2021-09-24 Dina Ghanai Miandoab , Sareh Assiri , Joseph Mihaljevic , Bertrand Cambou

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…

密码学与安全 · 计算机科学 2025-01-14 Hassan Nassar , Ming-Liang Wei , Chia-Lin Yang , Jörg Henkel , Kuan-Hsun Chen

We propose a secure and lightweight key based challenge obfuscation for strong PUFs. Our architecture is designed to be resilient against learning attacks. Our obfuscation mechanism uses non-linear feedback shift registers (NLFSRs).…

密码学与安全 · 计算机科学 2022-07-25 Kleber Stangherlin , Zhuanhao Wu , Hiren Patel , Manoj Sachdev

Physical Unclonable Functions evaluate manufacturing variations to generate secure cryptographic keys for embedded systems without secure key storage. It is explained how methods from coding theory are applied in order to ensure reliable…

信息论 · 计算机科学 2015-01-28 Sven Puchinger , Sven Müelich , Martin Bossert , Matthias Hiller , Georg Sigl

The exponentially increasing number of ubiquitous wireless devices connected to the Internet in Internet of Things (IoT) networks highlights the need for a new paradigm of data flow management in such large-scale networks under software…

密码学与安全 · 计算机科学 2017-12-29 Fatemeh Afghah , Bertrand Cambou , Masih Abedini , Sherali Zeadally

The signing key protection of Certificate Authorities (CAs) remains a critical challenge in PKI. Traditional approaches struggle to eliminate the risk of key exposure due to those (un)intentional human errors. This long-standing dilemma…

密码学与安全 · 计算机科学 2025-01-14 Xiaolin Zhang , Chenghao Chen , Kailun Qin , Yuxuan Wang , Shipei Qu , Tengfei Wang , Chi Zhang , Dawu Gu

The omnipresent digitalization trend has enabled a number of related malicious activities, ranging from data theft to disruption of businesses, counterfeiting of devices, and identity fraud, among others. Hence, it is essential to implement…

The Unlimited Sensing Framework (USF) was recently introduced to overcome the sensor saturation bottleneck in conventional digital acquisition systems. At its core, the USF allows for high-dynamic-range (HDR) signal reconstruction by…

信息论 · 计算机科学 2022-02-16 Dorian Florescu , Felix Krahmer , Ayush Bhandari

Solid-state batteries (SSBs) are promising next-generation batteries due to their high energy density and enhanced thermal stability and safety. However, their sluggish kinetics and transport at room temperature results in high internal…

应用物理 · 物理学 2024-11-18 Buyi Zhang , Divya Chalise , Yuqiang Zeng , Sumanjeet Kaur , Chris Dames , Ravi S. Prasher

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…

密码学与安全 · 计算机科学 2016-11-09 Sven Müelich , Martin Bossert

In this work, we experimentally validate the dual use of a reconfigurable photonic integrated mesh as a neuromorphic accelerator, targeting signal equalization, and as a physical unclonable function offering authentication at the hardware…

A unique set of characteristics are packed in emerging nonvolatile reduction-oxidation (redox)-based resistive switching memories (ReRAMs) such as their underlying stochastic switching processes alongside their intrinsic highly nonlinear…

Wide-bandgap (WBG) technologies offer unprecedented improvements in power system efficiency, size, and performance, but also introduce unique sensor corruption and cybersecurity risks in industrial control systems (ICS), particularly due to…

密码学与安全 · 计算机科学 2025-10-28 Devon A. Kelly , Christiana Chamon

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…

密码学与安全 · 计算机科学 2024-09-04 Jim Plusquellic , Jennifer Howard , Ross MacKinnon , Kristianna Hoffman , Eirini Eleni Tsiropoulou , Calvin Chan

The concept of Secret Unknown Ciphers (SUCs) was introduced a decade ago as a new visionary concept without devising practical real-world examples. The major contribution of this work is to show the feasibility of "self-mutating" unknown…

密码学与安全 · 计算机科学 2019-08-13 Ayoub Mars , Wael Adi

Interconnected embedded devices are increasingly used invarious scenarios, including industrial control, building automation, or emergency communication. As these systems commonly process sensitive information or perform safety critical…

密码学与安全 · 计算机科学 2017-01-30 Florian Kohnhäuser , Niklas Büscher , Sebastian Gabmeyer , Stefan Katzenbeisser

Unstructured meshes are among the most versatile approaches for capturing non-canonical geometries in fluid dynamics simulations. Despite this, most high-fidelity first-principles phase-change models are developed and applied on structured…

计算物理 · 物理学 2026-04-17 Jan Kren , Bojan Ničeno , Yohei Sato

Ultrastable lasers form the back bone of precision measurements in science and technology. Such lasers attain their stability through frequency locking to reference cavities. State-of-the-art locking performances to date had been achieved…

光学 · 物理学 2022-03-10 Fritz Diorico , Artem Zhutov , Onur Hosten

Simple authentication protocols based on conventional physical unclonable function (PUF) are vulnerable to modeling attacks and other security threats. This paper proposes an arbiter PUF based on a linear feedback shift register…

密码学与安全 · 计算机科学 2025-05-19 Yao Wang , Xue Mei , Zhengtai Chang , Wenbing Fan , Benqing Guo , Zhi Quan

Physically unclonable functions (PUFs) provide data that can be used for cryptographic purposes: on the one hand randomness for the initialization of random-number generators; on the other hand individual fingerprints for unique…

密码学与安全 · 计算机科学 2015-07-31 Pol Van Aubel , Daniel J. Bernstein , Ruben Niederhagen