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The conventional device authentication of wireless networks usually relies on a security server and centralized process, leading to long latency and risk of single-point of failure. While these challenges might be mitigated by collaborative…

Cryptography and Security · Computer Science 2023-03-28 He Fang , Zhenlong Xiao , Xianbin Wang , Li Xu , Lajos Hanzo

Private information retrieval (PIR) considers the problem of retrieving a data item from a database or distributed storage system without disclosing any information about which data item was retrieved. Secure PIR complements this problem by…

Information Theory · Computer Science 2024-08-02 Okko Makkonen , David Karpuk , Camilla Hollanti

The rapid development of generative artificial intelligence (AI) has introduced significant opportunities for enhancing the efficiency and accuracy of image transmission within semantic communication systems. Despite these advancements,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Qiyu Ma , Wanli Ni , Zhijin Qin

Key establishment is a crucial primitive for building secure channels: in a multi-party setting, it allows two parties using only public authenticated communication to establish a secret session key which can be used to encrypt messages.…

Quantum Physics · Physics 2012-06-28 Michele Mosca , Douglas Stebila , Berkant Ustaoglu

An information is a message which is received and understood. Information can be sent one person to another over a long range but the process of sending information must be done in a secure way especially in case of a private message.…

Cryptography and Security · Computer Science 2012-06-20 Yousuf Ibrahim Khan

In $(t, n)$-threshold secret sharing, a secret $S$ is distributed among $n$ participants such that any subset of size $t$ can recover $S$, while any subset of size $t-1$ or fewer learns nothing about it. For information-theoretic secret…

Information Theory · Computer Science 2025-06-23 Igor L. Aureliano , Alejandro Cohen , Rafael G. L. D'Oliveira

In Internet of Things (IoT) systems with security demands, there is often a need to distribute sensitive information (such as encryption keys, digital signatures, or login credentials, etc.) among the devices, so that it can be retrieved…

Cryptography and Security · Computer Science 2019-11-28 Lake Bu , Mihailo Isakov , Michel A. Kinsy

In the paper we propose general framework for Automatic Secret Generation and Sharing (ASGS) that should be independent of underlying secret sharing scheme. ASGS allows to prevent the dealer from knowing the secret or even to eliminate him…

Combinatorics · Mathematics 2007-07-16 Kamil Kulesza , Zbigniew Kotulski

We present a practical methodology for securing the password-based authentication scheme. We propose a solution based on the well-known (k,n) threshold scheme of Shamir for sharing a secret, where in our case the secret is the password…

Cryptography and Security · Computer Science 2018-06-20 Andrea Bissoli , Fabrizio d'Amore

Collective privacy loss becomes a colossal problem, an emergency for personal freedoms and democracy. But, are we prepared to handle personal data as scarce resource and collectively share data under the doctrine: as little as possible, as…

Artificial Intelligence · Computer Science 2024-06-17 Evangelos Pournaras , Mark Christopher Ballandies , Stefano Bennati , Chien-fei Chen

Secret sharing schemes create an effective method to safeguard a secret by dividing it among several participants. By using hash functions and the herding hashes technique, we first set up a (t+1, n) threshold scheme which is perfect and…

Cryptography and Security · Computer Science 2011-11-08 Chi Sing Chum , Xiaowen Zhang

Traditional key management techniques, such as public key cryptography or key distribution center (e.g., Kerberos), are often not effective for wireless sensor networks for the serious limitations in terms of computational power, energy…

Cryptography and Security · Computer Science 2010-07-15 Eric Ke Wang , Lucas C. K. Hui , S. M. Yiu

Secret-key agreement based on biometric or physical identifiers is a promising security protocol for authenticating users or devices with small chips due to its lightweight security. In previous studies, the fundamental limits of such a…

Information Theory · Computer Science 2025-03-13 Vamoua Yachongka , Hideki Yagi , Hideki Ochiai

With cooperative perception, autonomous vehicles can wirelessly share sensor data and representations to overcome sensor occlusions, improving situational awareness. Securing such data exchanges is crucial for connected autonomous vehicles.…

Cryptography and Security · Computer Science 2025-03-04 Namo Asavisanu , Tina Khezresmaeilzadeh , Rohan Sequeira , Hang Qiu , Fawad Ahmad , Konstantinos Psounis , Ramesh Govindan

Based on the ideal of order rearrangement and block transmission of photons, we present a quantum secure direct communication scheme using single photons. The security of the present scheme is ensured by quantum no-cloning theory and the…

Quantum Physics · Physics 2009-11-13 Jian Wang , Quan Zhang , Chao-jing Tang

The security of image data in the Internet of Things (IoT) and edge networks is crucial due to the increasing deployment of intelligent systems for real-time decision-making. Traditional encryption algorithms such as AES and RSA are…

Cryptography and Security · Computer Science 2025-05-02 Muhammad Shahbaz Khan , Ahmed Al-Dubai , Jawad Ahmad , Nikolaos Pitropakis , Baraq Ghaleb

Cyber-security has become vital for modern networked control systems (NCS). In this paper, we propose that the emerging technology of quantum key distribution (QKD) can be applied to enhance the privacy and security of NCS up to an…

Systems and Control · Computer Science 2018-05-24 Hai-Jin Ding , Re-Bing Wu , Qian-Chuan Zhao

Employing reconfigurable intelligent surfaces (RIS) is emerging as a game-changer candidate, thanks to their unique capabilities in improving the power efficiency and supporting the ubiquity of future wireless communication systems.…

Information Theory · Computer Science 2020-10-14 Abdullateef Almohamad , Ayman Al-Kababji , Anas Tahir , Tamer Khattab , Mazen Hasna

We demonstrate theoretically and experimentally that secure communication using intermediate-energy (mesoscopic) coherent states is possible. Our scheme is different from previous quantum cryptographic schemes in that a short secret key is…

Quantum Physics · Physics 2009-11-07 Geraldo A. Barbosa , Eric Corndorf , Prem Kumar , Horace P. Yuen

Consider the communication efficient secret sharing problem. A dealer wants to share a secret with $n$ parties such that any $k\leq n$ parties can reconstruct the secret and any $z<k$ parties eavesdropping on their shares obtain no…

Information Theory · Computer Science 2020-02-11 Rawad Bitar , Sidharth Jaggi
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