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Semi-quantum signature (SQS) schemes aim to enable quantum signature functionality in scenarios where only a subset of participants possess full quantum capabilities, thereby improving practical deployability while preserving quantum…

Quantum Physics · Physics 2026-04-20 Zengyu Pang , Hua Xiang

Recently, secure in-network aggregation in wireless sensor networks becomes a challenge issue, there is an extensive research on this area due to the large number of applications where the sensors are deployed and the security needs. In the…

Cryptography and Security · Computer Science 2012-12-12 Omar Rafik Merad Boudia , Mohamed Feham

A $(t,m)$-threshold secret sharing and multisecret-sharing scheme based on Shamir's SSS are introduced with two-level security using a one-way function. Besides we give its application in smart contract-enabled consortium blockchain…

Cryptography and Security · Computer Science 2022-09-09 R. K. Sharma , Ritumoni Sarma , Neha Arora , Vidya Sagar

Selective image encryption is common in remote sensing systems because it protects sensitive regions of interest (ROI) while limiting computational cost. However, many selective designs enable cross-tile structural leakage under…

Cryptography and Security · Computer Science 2026-03-02 Jilei Sun , Dianhong Wu , Ying Su

Programmable metasurfaces and adjustable antennas are promising technologies. The security of a rotatable array system is investigated in this paper. A dual-base-station (BS) architecture is adopted, in which the BSs collaboratively perform…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Maolin Li , Feng Shu , Minghao Chen , Cunhua Pan , Fuhui Zhou , Yongpeng Wu , Liang Yang

Security and privacy concerns in computer systems have grown in importance with the ubiquity of connected devices. TEEs provide security guarantees based on cryptographic constructs built in hardware. Intel software guard extensions (SGX),…

Cryptography and Security · Computer Science 2020-03-12 Rafael Pereira Pires

Quantum key distribution (QKD) theoretically provides unconditional security between remote parties. However, guaranteeing practical security through device characterisation alone is challenging in real-world implementations due to the…

Quantum Physics · Physics 2025-04-29 Hao Dong , Cong Jiang , Di Ma , Chi Zhang , Jia Huang , Hao Li , Li-Xing You , Yang Liu , Xiang-Bin Wang , Qiang Zhang , Jian-Wei Pan

Simplified trusted nodes (STNs) are a form of trusted node for quantum key distribution (QKD) networks which do not require running a full QKD stack every instance (i.e., they do not need to run error correction and privacy amplification…

Quantum Physics · Physics 2024-04-29 Walter O. Krawec , Bing Wang , Ryan Brown

High-dimensional quantum key distribution (QKD) offers secure communication, with secure key rates that surpass those achievable by QKD protocols utilizing two-dimensional encoding. However, existing high-dimensional QKD protocols require…

Redundant sensing capabilities are often required in sensor network applications due to various reasons, e.g. robustness, fault tolerance, or increased accuracy. At the same time high sensor redundancy offers the possibility of increasing…

Networking and Internet Architecture · Computer Science 2007-10-23 Simon Gyula , Miklos Molnar , Laszlo Gonczy , Bernard Cousin

With the advancement of quantum computing, the security of public key cryptography is under serious threat. To guarantee security in the quantum era, Quantum Key Distribution has become a competitive solution. QKD networks can be classified…

Quantum Physics · Physics 2023-12-15 Jia-Meng Yao , Qiong Li , Hao-Kun Mao , Ahmed A. Abd El-Latif

This paper presents a distributed multi-layer ring barrier coverage algorithm. In order to achieve single-layer ring barrier coverage, a distributed single-layer ring barrier coverage algorithm that maximises the probability of monitoring…

Optimization and Control · Mathematics 2023-01-06 Pengyang Fan , Chao Zhai

Dynamic searchable symmetric encryption (DSSE) is a useful cryptographic tool in encrypted cloud storage. However, it has been reported that DSSE usually suffers from file-injection attacks and content leak of deleted documents. To mitigate…

Cryptography and Security · Computer Science 2019-05-22 Cong Zuo , Shi-Feng Sun , Joseph K. Liu , Jun Shao , Josef Pieprzyk

Quantum key distribution (QKD) networks hold promise for sharing secure randomness over multi-partities. Most existing QKD network schemes and demonstrations are based on trusted relays or limited to point-to-point scenario. Here, we…

Quantum Physics · Physics 2020-09-30 Wen-Fei Cao , Yi-Zheng Zhen , Yu-Lin Zheng , Shuai Zhao , Feihu Xu , Li Li , Zeng-Bing Chen , Nai-Le Liu , Kai Chen

Many papers have been proposed in order to increase the wireless sensor networks performance; This kind of network has limited resources, where the energy in each sensor came from a small battery that sometime is hard to be replaced or…

Networking and Internet Architecture · Computer Science 2010-08-11 Mohammed Abuhelaleh , Khaled Elleithy , Thabet Mismar

Quantum key distribution (QKD) enables unconditionally secure symmetric key exchange between parties. However, terrestrial fibre-optic links face inherent distance constraints due to quantum signal degradation. Traditional solutions to…

Cryptography and Security · Computer Science 2026-03-10 Aitor Brazaola-Vicario , Oscar Lage , Julen Bernabé-Rodríguez , Eduardo Jacob , Jasone Astorga

Quantum key distribution (QKD) serves as a cornerstone of secure quantum communication, providing unconditional security grounded in quantum mechanics. While trusted-node networks have facilitated early QKD deployment, their vulnerability…

Quantum Physics · Physics 2025-03-10 Jingyang Liu , Xingyu Zhou , Huajian Ding , Jiaxin Xu , Chunhui Zhang , Jian Li , Qin Wang

Recently, physical layer security based approaches have drawn considerable attentions and are envisaged to provide secure communications in the wireless networks. However, most existing literatures only focus on the physical layer. Thus,…

Information Theory · Computer Science 2013-08-19 Jun Wang , Pengfei Huang , Xudong Wang

A semi-quantum key distribution (SQKD) protocol allows two users, one of whom is restricted in their quantum capabilities, to establish a shared secret key, secure against an all-powerful adversary. In this paper, we design a new SQKD…

Quantum Physics · Physics 2019-07-29 Hasan Iqbal , Walter O. Krawec

There are two main factors limiting the performance of quantum key distribution --- channel transmission loss and noise. Previously, a linear bound was believed to put an upper limit on the rate-transmittance performance. Remarkably, the…

Quantum Physics · Physics 2020-07-01 Pei Zeng , Weijie Wu , Xiongfeng Ma
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