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Employee data can be used to facilitate work, but their misusage may pose risks for individuals. Inverse transparency therefore aims to track all usages of personal data, allowing individuals to monitor them to ensure accountability for…

密码学与安全 · 计算机科学 2023-04-24 Valentin Zieglmeier , Gabriel Loyola Daiqui , Alexander Pretschner

An increasing amount of users' sensitive information is now being collected for analytics purposes. To protect users' privacy, differential privacy has been widely studied in the literature. Specifically, a differentially private algorithm…

密码学与安全 · 计算机科学 2020-12-23 Yang Zhao , Jun Zhao , Jiawen Kang , Zehang Zhang , Dusit Niyato , Shuyu Shi

Internet of Things (IoT)-based smart home applications are rising in popularity. However, this trend attracts malicious activity, which causes cost-efficient security to be in high demand. This paper proposes a low-end design that…

密码学与安全 · 计算机科学 2021-03-31 Marc Jayson Baucas , Stephen Andrew Gadsden , Petros Spachos

The COVID-19 pandemic necessitated the emergence of decentralized Clinical Trials (DCTs) due to patient retention, accelerate trials, improve data accessibility, enable virtual care, and facilitate seamless communication through integrated…

Verification of data generated by wearable sensors is increasingly becoming of concern to health service providers and insurance companies. There is a need for a verification framework that various authorities can request a verification…

密码学与安全 · 计算机科学 2023-01-18 Mohammad Hossein Chinaei , Hassan Habibi Gharakheili , Vijay Sivaraman

Governments and researchers around the world are implementing digital contact tracing solutions to stem the spread of infectious disease, namely COVID-19. Many of these solutions threaten individual rights and privacy. Our goal is to break…

密码学与安全 · 计算机科学 2020-04-23 Alex Berke , Michiel Bakker , Praneeth Vepakomma , Kent Larson , Alex 'Sandy' Pentland

Privacy-preserving blockchain systems are essential for protecting transaction data, yet they must also provide auditability that enables auditors to recover participant identities and transaction amounts when warranted. Existing designs…

密码学与安全 · 计算机科学 2025-09-11 Zihan Liu , Xiaohu Wang , Chao Lin , Minghui Xu , Debiao He , Xinyi Huang

The accelerated expansion of the Internet of Things (IoT) has raised critical challenges associated with privacy, security, and data integrity, specifically in infrastructures such as smart cities or smart manufacturing. Blockchain…

The current COVID-19 pandemic highlights the utility of contact tracing, when combined with case isolation and social distancing, as an important tool for mitigating the spread of a disease [1]. Contact tracing provides a mechanism of…

密码学与安全 · 计算机科学 2020-04-13 Jack K. Fitzsimons , Atul Mantri , Robert Pisarczyk , Tom Rainforth , Zhikuan Zhao

Data sharing is very important for accelerating scientific research, business innovations, and for informing individuals. Yet, concerns over data privacy, cost, and lack of secure data-sharing solutions have prevented data owners from…

分布式、并行与集群计算 · 计算机科学 2022-04-20 Vikas Jaiman , Leonard Pernice , Visara Urovi

Blockchain technologies are one possible avenue for increasing the resilience of the Smart Grid, by decentralizing the monitoring and control of system-level objectives such as voltage stability protection. They furthermore offer benefits…

分布式、并行与集群计算 · 计算机科学 2022-06-29 Kimia Honari , Xiaotian Zhou , Sara Rouhani , Scott Dick , Hao Liang , James Miller Li , James Miller

Many studies have been done to improve the performance of centrally controlled business processes and enhance the integration between different parties of these collaborations. However, the most serious issues of collaborative business…

密码学与安全 · 计算机科学 2019-04-12 Vahid Pourheidari , Sara Rouhani , Ralph deters

Blockchains are among the most powerful technologies to realize decentralized information systems. In order to safely enjoy all guarantees provided by a blockchain, one should maintain a full node, therefore maintaining an updated local…

密码学与安全 · 计算机科学 2025-03-12 Stefano De Angelis , Ivan Visconti , Andrea Vitaletti , Marco Zecchini

Security is one of the fundamental challenges in the Internet of Things (IoT) due to the heterogeneity and resource constraints of the IoT devices. Device classification methods are employed to enhance the security of IoT by detecting…

密码学与安全 · 计算机科学 2019-03-15 Ali Dorri , Clemence Roulin , Raja Jurdak , Salil Kanhere

With a rapid growth in the IT industry, Internet of Things (IoT) has gained a tremendous attention and become a central aspect of our environment. In IoT the things (devices) communicate and exchange the data without the act of human…

密码学与安全 · 计算机科学 2020-01-10 Jawad Ali , Toqeer Ali , Yazed Alsaawy , Ahmad Shahrafidz Khalid , Shahrulniza Musa

The growing utilization of Internet of Medical Things (IoMT) devices, including smartwatches and wearable medical devices, has facilitated real-time health monitoring and data analysis to enhance healthcare outcomes. These gadgets…

密码学与安全 · 计算机科学 2025-05-21 Musharraf N. Alruwaill , Saraju P. Mohanty , Elias Kougianos

Internet-of-things (IoT) is perpetually revolutionizing our daily life and rapidly transforming physical objects into an ubiquitous connected ecosystem. Due to their massive deployment and moderate security levels, those devices face a lot…

密码学与安全 · 计算机科学 2020-05-12 Najmeddine Dhieb , Hakim Ghazzai , Hichem Besbes , Yehia Massoud

Searching for available parking spaces is a major problem for drivers especially in big crowded cities, causing traffic congestion and air pollution, and wasting drivers' time. Smart parking systems are a novel solution to enable drivers to…

密码学与安全 · 计算机科学 2021-01-28 Wesam Al Amiri , Mohamed Baza , Karim Banawan , Mohamed Mahmoud , Waleed Alasmary , Kemal Akkaya

Cross-chain technology enables interoperability among otherwise isolated blockchains, supporting interactions across heterogeneous networks. Similar to how multi-hop communication became fundamental in the evolution of the Internet, the…

密码学与安全 · 计算机科学 2025-12-04 Minghui Xu , Yihao Guo , Yanqiang Zhang , Zhiguang Shan , Guangyong Shang , Zhen Ma , Bin Xiao , Xiuzhen Cheng

This work proposes a novel privacy-preserving cyberattack detection framework for blockchain-based Internet-of-Things (IoT) systems. In our approach, artificial intelligence (AI)-driven detection modules are strategically deployed at…

密码学与安全 · 计算机科学 2024-12-19 Bui Duc Manh , Chi-Hieu Nguyen , Dinh Thai Hoang , Diep N. Nguyen , Ming Zeng , Quoc-Viet Pham