English
Related papers

Related papers: Generalized DC loop current attack against the KLJ…

200 papers

We present here an information theoretic study of Gaussian collective attacks on the continuous variable key distribution protocols based on Gaussian modulation of coherent states. These attacks, overlooked in previous security studies,…

Quantum Physics · Physics 2009-11-10 Frederic Grosshans

The security of the previous quantum key distribution protocols, which is guaranteed by the nature of physics law, is based on the legitimate users. However, the impersonation of Alice or Bob by eavesdropper, in practice. will be existed in…

Quantum Physics · Physics 2007-05-23 Guihua Zeng

This paper investigates the problem of source-channel coding for secure transmission with arbitrarily correlated side informations at both receivers. This scenario consists of an encoder (referred to as Alice) that wishes to compress a…

Information Theory · Computer Science 2013-11-11 Joffrey Villard , Pablo Piantanida , Shlomo Shamai

The original two-way continuous-variable quantum-key-distribution (CV QKD) protocols [S. Pirandola, S. Mancini, S. Lloyd, and S. L. Braunstein, Nature Physics 4, 726 (2008)] give the security against the collective attack on the condition…

Quantum Physics · Physics 2012-10-16 Maozhu Sun , Xiang Peng , Yujie Shen , Hong Guo

Deep Neural Networks (DNNs) have been shown to be vulnerable against adversarial examples, which are data points cleverly constructed to fool the classifier. Such attacks can be devastating in practice, especially as DNNs are being applied…

Cryptography and Security · Computer Science 2018-01-30 Linh Nguyen , Sky Wang , Arunesh Sinha

Counterfactual quantum cryptography (CQC), recently proposed by Noh, is featured with no transmission of signal particles. This exhibits evident security advantage, such as its immunity to the well known PNS attack. In this paper, the…

Quantum Physics · Physics 2015-03-19 Sheng Zhang , Jian Wang , Chao-jing Tang , Quan Zhang

Though deep neural networks have achieved state-of-the-art performance in visual classification, recent studies have shown that they are all vulnerable to the attack of adversarial examples. Small and often imperceptible perturbations to…

Machine Learning · Computer Science 2018-06-05 Pinlong Zhao , Zhouyu Fu , Ou wu , Qinghua Hu , Jun Wang

Li et al. presented a protocol [Int. Journal of Quantum Information, Vol. 4, No. 6 (2006) 899-906] for quantum key distribution based on entanglement swapping. In this protocol they use random and certain bits to construct a classical key…

Quantum Physics · Physics 2008-05-29 Stefan Schauer , Martin Suda

Inspired from quantum key distribution, we consider wireless communication between Alice and Bob when the intermediate space between Alice and Bob is controlled by Eve. That is, our model divides the channel noise into two parts, the noise…

Information Theory · Computer Science 2024-09-10 Masahito Hayashi

Today's RKE systems implement disposable rolling codes, making every key fob button press unique, effectively preventing simple replay attacks. However, a prior attack called RollJam was proven to break all rolling code-based systems in…

Cryptography and Security · Computer Science 2024-03-26 Levente Csikor , Hoon Wei Lim , Jun Wen Wong , Soundarya Ramesh , Rohini Poolat Parameswarath , Mun Choon Chan

Quantum key distribution (QKD) promises information-theoretic security, yet practical deployments in discrete-variable (DV) and continuous-variable (CV) settings remain exposed to device imperfections, channel manipulation, finite-key…

Quantum Physics · Physics 2026-05-28 Hasan Abbas Al-Mohammed , Afnan S. Al-Ali

Counterfactual quantum key distribution (QKD) enables two parties to share a secret key using an interaction-free measurement. Here, we point out that the efficiency of counterfactual QKD protocols can be enhanced by including…

Quantum Physics · Physics 2021-09-07 Vinod N. Rao , R. Srikanth

Consider a scenario where Alice wishes to send a message $m$ to Bob in a time-slotted wireless network. However, there exists an adversary, Carol, who aims to prevent the transmission of $m$ by jamming the communication channel. There is a…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-05-22 Valerie King , Seth Pettie , Jared Saia , Maxwell Young

This paper presents a statistical physical generation of random keys for a decentralized identity ecosystem that uses Web 3.0 protocols. Web 3.0 is driven by secure keys, typically represented in hexadecimal, that are pseudo-randomly…

Cryptography and Security · Computer Science 2023-12-29 Christiana Chamon , Kamalesh Mohanasundar , Sarah A. Flanery , Francis K. Quek

An attack on the ``Bennett-Brassard 84''(BB84) quantum key-exchange protocol in which Eve exploits the action of gravitation to infer information about the quantum-mechanical state of the qubit exchanged between Alice and Bob, is described.…

Quantum Physics · Physics 2007-05-23 R. Plaga

We have used deterministic single-photon two qubit (SPTQ) quantum logic to implement the most powerful individual-photon attack against the Bennett-Brassard 1984 (BB84) quantum key distribution protocol. Our measurement results, including…

Quantum Physics · Physics 2024-03-26 Taehyun Kim , Ingo Stork genannt Wersborg , Franco N. C. Wong , Jeffrey H. Shapiro

Following the recent adoption of deep neural networks (DNN) accross a wide range of applications, adversarial attacks against these models have proven to be an indisputable threat. Adversarial samples are crafted with a deliberate intention…

Machine Learning · Computer Science 2017-08-31 Valentina Zantedeschi , Maria-Irina Nicolae , Ambrish Rawat

Covert wireless communication can prevent an adversary from knowing the existence of user's transmission, thus provide stronger security protection. In AWGN channels, a square root law was obtained and the result shows that Alice can…

Information Theory · Computer Science 2018-05-17 Zhihong Liu , Jiajia Liu , Yong Zeng , Jianfeng Ma , Qiping Huang

Continuous-variable quantum key distribution provides a theoretical unconditionally secure solution to distribute symmetric keys among users in a communication network. However, the practical devices used to implement these systems are…

Quantum Physics · Physics 2026-05-06 Daniel Pereira , Vana Pezelj , Florian Prawits , Hannes Hübbel

Due to hostile environment and wireless communication channel, security mechanisms are essential for wireless sensor networks (WSNs). Existence of a pair of shared key is a prerequisite for many of these security mechanisms; a task that key…

Cryptography and Security · Computer Science 2017-11-27 Hamzeh Ghasemzadeh , Ali Payandeh , Mohammad Reza Aref