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The rapid development of the semiconductor industry and the ubiquity of electronic devices have led to a significant increase in the counterfeiting of integrated circuits (ICs). This poses a major threat to public health, the banking…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Runze Liu , Prasun Datta , Anirudh Nakra , Chau-Wai Wong , Min Wu

Quantum computing has shown the potential to substantially speed up machine learning applications, in particular for supervised and unsupervised learning. Reinforcement learning, on the other hand, has become essential for solving many…

Quantum Physics · Physics 2023-11-28 El Amine Cherrat , Iordanis Kerenidis , Anupam Prakash

Cryptographic algorithms rely on the secrecy of their corresponding keys. On embedded systems with standard CMOS chips, where secure permanent memory such as flash is not available as a key storage, the secret key can be derived from…

We present a quantum multi-factor authentication mechanism based on the hidden-matching quantum communication complexity problem. It offers step-up graded authentication for users via a quantum token. In this paper, we outline the protocol,…

Cryptography and Security · Computer Science 2022-01-14 Hazel Murray , David Malone

Quantum artificial intelligence is a frontier of artificial intelligence research, pioneering quantum AI-powered circuits to address problems beyond the reach of deep learning with classical architectures. This work implements a large-scale…

Disordered Systems and Neural Networks · Physics 2024-03-22 Zhao He , Maxim S. Elizarov , Ning Li , Fei Xiang , Andrea Fratalocchi

We introduce a novel copy-protection method for industrial control software. With our method, a program executes correctly only on its target hardware and behaves differently on other machines. The hardware-software binding is based on…

Cryptography and Security · Computer Science 2026-03-12 Daniel Dorfmeister , Flavio Ferrarotti , Bernhard Fischer , Evelyn Haslinger , Rudolf Ramler , Markus Zimmermann

Quantum computing (QC) holds the promise of revolutionizing problem-solving by exploiting quantum phenomena like superposition and entanglement. It offers exponential speed-ups across various domains, from machine learning and security to…

Quantum Physics · Physics 2023-10-27 Suryansh Upadhyay , Rupshali Roy , Swaroop Ghosh

In order to protect devices from physical manipulations, protective security enclosures were developed. However, these battery-backed solutions come with a reduced lifetime, and have to be actively and continuously monitored. In order to…

Cryptography and Security · Computer Science 2022-11-21 Kathrin Garb , Marvin Xhemrishi , Ludwig Kürzinger , Christoph Frisch

We present authorized quantum computation, where only a user with a non-cloneable quantum authorization key can perform a unitary operation created by an authenticated programmer. The security of our authorized quantum computation is based…

Quantum Physics · Physics 2009-03-13 Yu Tanaka , Mio Murao

Counterfeit products cause severe harm to public safety and health by penetrating untrusted supply chains. Numerous anti-counterfeiting techniques have been proposed, among which the use of inherent, unclonable irregularities of paper…

Cryptography and Security · Computer Science 2024-08-06 Anirudh Nakra , Min Wu , Chau-Wai Wong

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

The recent discovery of fully-homomorphic classical encryption schemes has had a dramatic effect on the direction of modern cryptography. Such schemes, however, implicitly rely on the assumptions that solving certain computation problems…

Quantum Physics · Physics 2018-10-31 Yingkai Ouyang , Si-Hui Tan , Joseph Fitzsimons

The quantum threat to cybersecurity has accelerated the standardization of Post-Quantum Cryptography (PQC). Migrating legacy software to these quantum-safe algorithms is not a simple library swap, but a new software engineering challenge:…

Software Engineering · Computer Science 2026-05-08 Lei Zhang

The existence of pseudorandom unitaries (PRUs) -- efficient quantum circuits that are computationally indistinguishable from Haar-random unitaries -- has been a central open question, with significant implications for cryptography,…

Quantum Physics · Physics 2025-05-22 Fermi Ma , Hsin-Yuan Huang

Physical Unclonable Functions (PUFs) are promising security primitives for resource-constrained IoT devices. And the XOR Arbiter PUF (XOR-PUF) is one of the most studied PUFs, out of an effort to improve the resistance against machine…

Cryptography and Security · Computer Science 2026-04-14 Gaoxiang Li , Khalid T. Mursi , Yu Zhuang

We study the problem of encrypting and authenticating quantum data in the presence of adversaries making adaptive chosen plaintext and chosen ciphertext queries. Classically, security games use string copying and comparison to detect…

Quantum Physics · Physics 2020-06-17 Gorjan Alagic , Tommaso Gagliardoni , Christian Majenz

Wearable and implantable healthcare sensors are pivotal for real-time patient monitoring but face critical challenges in power efficiency, data security, and signal noise. This paper introduces a novel platform that leverages hardware noise…

Signal Processing · Electrical Eng. & Systems 2025-06-06 Christiana Chamon , Abhijit Sarkar , A. Lynn Abbott

We demonstrate a centrally controlled dynamic switched-QKD network, with integrated PUF-based dynamic authentication for each QKD link. The performance of the dynamic switched-QKD network with real-time PUF-based authentication is analyzed.

As a well-known physical unclonable function that can provide huge number of challenge response pairs (CRP) with a compact design and fully compatibility with current electronic fabrication process, the arbiter PUF (APUF) has attracted…

Cryptography and Security · Computer Science 2022-03-30 Yansong Gao , Jianrong Yao , Lihui Pang , Zhi Zhang , Anmin Fu , Naixue Xiong , Hyoungshick Kim

A physical unclonable function (PUF), analogous to a human fingerprint, has gained an enormous amount of attention from both academia and industry. SRAM PUF is among one of the popular silicon PUF constructions that exploits random initial…

Cryptography and Security · Computer Science 2017-05-23 Yansong Gao , Hua Ma , Said F. Al-Sarawi , Derek Abbott , Damith C. Ranasinghe