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Cyber Threat Intelligence (CTI) is the knowledge of cyber and physical threats that help mitigate potential cyber attacks. The rapid evolution of the current threat landscape has seen many organisations share CTI to strengthen their…

Cryptography and Security · Computer Science 2022-08-26 Kealan Dunnett , Shantanu Pal , Guntur Dharma Putra , Zahra Jadidi , Raja Jurdak

We propose a decentralized authentication system for networks of unmanned aerial vehicles. A blockchain-based public key infrastructure allows the usage of public key cryptography and public key based authentication protocols. The…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-14 Nicholas Jäger , Andreas Aßmuth

In the era of social media and messaging applications, people are becoming increasingly aware of data privacy issues associated with such apps. Major messaging applications are moving towards end-to-end encryption (E2EE) to give their users…

Cryptography and Security · Computer Science 2021-08-02 Raman Singh , Ark Nandan Singh Chauhan , Hitesh Tewari

Non-orthogonal multiple access (NOMA) with successive interference cancellation receiver is considered as one of the most potent multiple access techniques to be adopted in future wireless communication networks. Data security in the NOMA…

Networking and Internet Architecture · Computer Science 2018-12-05 Anik Islam , Mohammed Belal Uddin , Md. Fazlul Kader , Soo Young Shin

Blockchain has recently been depicted as a secure protocol for information exchange in cyber-physical microgrids. However, it is still found vulnerable to consensus manipulation attacks. These stealth attacks are often difficult to detect…

Cryptography and Security · Computer Science 2023-03-09 Suman Rath , Lam Duc Nguyen , Subham Sahoo , Petar Popovski

We propose and implement a protocol for a scalable, cost-effective, information-theoretically secure key distribution and management system. The system, called Distributed Symmetric Key Establishment (DSKE), relies on pre-shared random…

Quantum Physics · Physics 2024-07-31 Hoi-Kwong Lo , Mattia Montagna , Manfred von Willich

Privacy-preservation policies are guidelines formulated to protect data providers private data. Previous privacy-preservation methodologies have addressed privacy in which data are permanently stored in repositories and disconnected from…

Cryptography and Security · Computer Science 2024-08-22 Michael Mireku Kwakye

Average consensus is fundamental for distributed systems since it underpins key functionalities of such systems ranging from distributed information fusion, decision-making, to decentralized control. In order to reach an agreement, existing…

Systems and Control · Computer Science 2017-09-21 Minghao Ruan , Muaz Ahmad , Yongqiang Wang

In modern healthcare systems, being able to share electronic health records is crucial for providing quality care and for enabling a larger spectrum of health services. Health data sharing is dependent on obtaining individual consent which,…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-02 Vikas Jaiman , Visara Urovi

Modern blockchain systems are a fresh look at the paradigm of distributed computing, applied under assumptions of large-scale public networks. They can be used to store and share information without a trusted central party. There has been…

Databases · Computer Science 2018-03-19 Sara Cohen , Aviv Zohar

We construct a new protocol for attribute-based encryption with the use of the modification of the standard secret sharing scheme. In the suggested modification of the secret sharing scheme, only one master key for each user is required…

Cryptography and Security · Computer Science 2020-11-24 M. A. Kudinov , A. A. Chilikov , E. O. Kiktenko , A. K. Fedorov

Many storage customers are adopting encryption solutions to protect critical data. Most existing encryption solutions sit in, or near, the application that is the source of critical data, upstream of the primary storage system. Placing…

Cryptography and Security · Computer Science 2015-10-20 Peter Shah , Won So

With the rapid development of blockchain technology, different types of blockchains are adopted and interoperability across blockchains has received widespread attention. There have been many cross-chain solutions proposed in recent years,…

Cryptography and Security · Computer Science 2021-03-26 Ying Lan , Jianbo Gao , Ke Wang , Jiashuo Zhang , Zhenhao Wu , Yuesheng Zhu , Zhong Chen

Deep-learning-as-a-service is a novel and promising computing paradigm aiming at providing machine/deep learning solutions and mechanisms through Cloud-based computing infrastructures. Thanks to its ability to remotely execute and train…

Machine Learning · Computer Science 2020-03-31 Simone Disabato , Alessandro Falcetta , Alessio Mongelluzzo , Manuel Roveri

E-governance is a process that aims to enhance a government's ability to simplify all the processes that may involve government, citizens, businesses, and so on. The rapid evolution of digital technologies has often created the necessity…

Cryptography and Security · Computer Science 2022-03-17 Owen Lo , William J. Buchanan , Sarwar Sayeed , Pavlos Papadopoulos , Nikolaos Pitropakis , Christos Chrysoulas

A Unitychain is a novel blockchain-like structure that drastically improves transaction scalability and security while maintaining ongoing network performance, even if participating nodes are required to perform a new Distributed Key…

Cryptography and Security · Computer Science 2021-01-22 Joshua D. Tobkin

The ability to hide information from unauthorized individuals has been a prevalent issue over the years. Countless algorithms such as DES, AES and SHA have been developed. These algorithms depend on varying key length and key management…

Cryptography and Security · Computer Science 2012-09-14 Samuel King Opoku

Recent advances in blockchain technologies have provided exciting opportunities for decentralized applications. Specifically, blockchain-based smart contracts enable credible transactions without authorized third parties. The attractive…

Cryptography and Security · Computer Science 2018-03-19 Jiayu Zhou , Fengyi Tang , He Zhu , Ning Nan , Ziheng Zhou

Proliferation of IoT devices in society demands a renewed focus on securing the use and maintenance of such systems. IoT-based systems will have a great impact on society and therefore such systems must have guaranteed resilience. We…

Cryptography and Security · Computer Science 2020-07-07 John Wickström , Magnus Westerlund , Göran Pulkkis

Data spaces represent an emerging paradigm that facilitates secure and trusted data exchange through foundational elements of data interoperability, sovereignty, and trust. Within a data space, data items, potentially owned by different…

Cryptography and Security · Computer Science 2025-04-21 Nikos Fotiou , Vasilios A. Siris , George C. Polyzos