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Wireless local area networks remain vulnerable to attacks initiated during the connection establishment (CE) phase. Current Wi-Fi security protocols fail to fully mitigate attacks like man-in-the-middle, preamble spoofing, and relaying. To…

Cryptography and Security · Computer Science 2025-01-06 Naureen Hoque , Hanif Rahbari

In this paper, we investigate covert communications in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided rate-splitting multiple access (RSMA) system. Under the RSMA principles, the messages…

Information Theory · Computer Science 2023-12-05 Heng Chang , Hai Yang , Shuobo Xu , Xiyu Pang , Hongwu Liu

This letter investigates the secret communication problem for a fluid antenna system (FAS)-assisted wiretap channel, where the legitimate transmitter transmits an information-bearing signal to the legitimate receiver, and at the same time,…

Information Theory · Computer Science 2024-07-03 Hao Xu , Kai-Kit Wong , Wee Kiat New , Guyue Li , Farshad Rostami Ghadi , Yongxu Zhu , Shi Jin , Chan-Byoung Chae , Yangyang Zhang

We give a security proof of the `Round Robin Differential Phase Shift' Quantum Key Distribution scheme, and we give a tight bound on the required amount of privacy amplification. Our proof consists of the following steps. We construct an…

Quantum Physics · Physics 2018-02-09 Daan Leermakers , Boris Skoric

As next-generation wireless networks emerge, security is becoming a critical performance metric. However, conventional multiple-input-multiple-output (MIMO) systems often suffer from severe path loss and are vulnerable to nearby…

In this paper, an artificial noise-aided strategy is presented for location-privacy preservation. A novel framework for the reduction of location-privacy leakage is introduced, where structured artificial noise is designed to degrade the…

Signal Processing · Electrical Eng. & Systems 2023-02-20 Jianxiu Li , Urbashi Mitra

The advancement of future large-scale wireless networks necessitates the development of cost-effective and scalable security solutions. Conventional cryptographic methods, due to their computational and key management complexity, are unable…

Signal Processing · Electrical Eng. & Systems 2023-08-15 Alireza Nooraiepour , Shaghayegh Vosoughitabar , Chung-Tse Michael Wu , Waheed U. Bajwa , Narayan B. Mandayam

Quantum key distribution (QKD) enables Alice and Bob to exchange a secret key over a public, untrusted quantum channel. Compared to classical key exchange, QKD achieves everlasting security: after the protocol execution the key is secure…

Quantum Physics · Physics 2026-02-03 Alex B. Grilo , Giulio Malavolta , Michael Walter , Tianwei Zhang

Integrated sensing and communication (ISAC) systems promise efficient spectrum utilization by jointly supporting radar sensing and wireless communication. This paper presents a deep learning-driven framework for enhancing physical-layer…

A common approach for introducing security at the physical layer is to rely on the channel variations of the wireless environment. This type of approach is not always suitable for wireless networks where the channel remains static for most…

Cryptography and Security · Computer Science 2011-09-02 Mohammad Iftekhar Husain , Suyash Mahant , Ramalingam Sridhar

A new conceptual key generation scheme is presented by using intrinsic quantum correlations of single photons between Alice and Bob. The intrinsic bi-partite correlation functions allow key bit to be generated through high level…

Quantum Physics · Physics 2014-03-20 Kim Fook Lee , Yong Meng Sua

We propose the new technique of physical-layer cryptography based on using a massive MIMO channel as a key between the sender and desired receiver, which need not be secret. The goal is for low-complexity encoding and decoding by the…

Information Theory · Computer Science 2018-02-06 Thomas Dean , Andrea Goldsmith

In this work, an eavesdropping-aware routing and spectrum allocation approach is proposed utilizing network coding (NC) in elastic optical networks (EONs). To provide physical layer security in EONs and secure the confidential connections…

Networking and Internet Architecture · Computer Science 2022-11-04 Giannis Savva , Konstantinos Manousakis , Georgios Ellinas

With the rapid advancement of 6G, identity authentication has become increasingly critical for ensuring wireless security. The lightweight and keyless Physical Layer Authentication (PLA) is regarded as an instrumental security measure in…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Xiqi Cheng , Rui Meng , Xiaodong Xu , Haixiao Gao , Ping Zhang , Dusit Niyato

In this paper, if the time-modulated array (TMA)-enabled directional modulation (DM) communication system can be cracked is investigated and the answer is YES! We first demonstrate that the scrambling data received at the eavesdropper can…

Signal Processing · Electrical Eng. & Systems 2023-10-17 Zhihao Tao , Zhaoyi Xu , Athina Petropulu

Logic locking protects an IC from threats such as piracy of design IP and unauthorized overproduction throughout the IC supply chain. Out of the several techniques proposed by the research community, provably-secure logic locking (PSLL) has…

Cryptography and Security · Computer Science 2022-09-07 Satwik Patnaik , Nimisha Limaye , Ozgur Sinanoglu

This paper investigates the physical-layer security for a random indoor visible light communication (VLC) network with imperfect channel state information (CSI) and a protected zone. The VLC network consists of three nodes, i.e., a…

Information Theory · Computer Science 2023-07-19 Jin-Yuan Wang , Yu Qiu , Sheng-Hong Lin , Jun-Bo Wang , Min Lin , Cheng Liu

A broadcasting multiple blind signature scheme based on quantum GHZ entanglement has been presented recently by Tian et al. It is said that the scheme's unconditional security is guaranteed by adopting quantum key preparation, quantum…

Quantum Physics · Physics 2017-04-04 Wei Zhang , Daowen Qiu , Xiangfu Zou , Paulo Mateus

We investigate the possibility of eavesdropping on a quantum key distribution network by local sequential quantum unsharp measurement attacks by the eavesdropper. In particular, we consider a pure two-qubit state shared between two parties…

Quantum Physics · Physics 2023-12-08 Yash Wath , Hariprasad M , Freya Shah , Shashank Gupta

Pilot contamination attack (PCA) in a time division duplex wireless communication system is considered, where an eavesdropper (Eve) attacks the reverse pilot transmission phase in order to wiretap the data transmitted from a transmitter,…

Information Theory · Computer Science 2020-09-21 Ke-Wen Huang , Hui-Ming Wang
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