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A large number of IoT devices are connected via the Internet. However, most of these IoT devices are generally not perfect-by-design even have security weaknesses or vulnerabilities. Thus, it is essential to update these IoT devices…

密码学与安全 · 计算机科学 2019-02-12 Yanqi Zhao , Yiming Liu , Yong Yu , Yannan Li

Edge Intelligence (EI) serves as a critical enabler for privacy-preserving systems by providing AI-empowered computation and distributed caching services at the edge, thereby minimizing latency and enhancing data privacy. The integration of…

密码学与安全 · 计算机科学 2026-01-09 Anum Nawaz , Hafiz Humza Mahmood Ramzan , Xianjia Yu , Zhuo Zou , Tomi Westerlund

There has been an unprecedented surge in the number of service providers offering a wide range of machine learning prediction APIs for tasks such as image classification, language translation, etc. thereby monetizing the underlying data and…

计算机与社会 · 计算机科学 2018-12-06 Vijay Arya , Sayandeep Sen , Palani Kodeswaran

The scalability limitations of public blockchains have hindered their widespread adoption in real-world applications. While the Ethereum community is pushing forward in zk-rollup (zero-knowledge rollup) solutions, such as introducing the…

密码学与安全 · 计算机科学 2024-03-19 Chengpeng Huang , Rui Song , Shang Gao , Yu Guo , Bin Xiao

As a valuable digital resource, graph data is an important data asset, which has been widely utilized across various fields to optimize decision-making and enable smarter solutions. To manage data assets, blockchain is widely used to enable…

密码学与安全 · 计算机科学 2025-01-28 Hongguang Zhao , Xu Yang , Saiyu Qi , Qiuhao Wang , Ke Li

Intuitively there is a drastic distinction between the pure decentralized block-chain systems like Defis and those that only utilize block-chain as an enhancing technology but remain centralized with real-world business model and…

密码学与安全 · 计算机科学 2021-07-30 Yuqi Bai , Lei Luo

Cloud computing can provide a flexible way to effectively share data among multiple users since it can overcome the time and location constraints of computing resource usage. However, the users of cloud computing are still reluctant to…

密码学与安全 · 计算机科学 2019-04-03 Kwangsu Lee

An authorisation has been recognised as an important security measure for preventing unauthorised access to critical resources, such as devices and data, within the Internet of Things (IoT) networks. Existing authorisation methods for the…

密码学与安全 · 计算机科学 2022-08-16 Khizar Hameed , Ali Raza , Saurabh Garg , Muhammad Bilal Amin

Federated learning may be subject to both global aggregation attacks and distributed poisoning attacks. Blockchain technology along with incentive and penalty mechanisms have been suggested to counter these. In this paper, we explore…

密码学与安全 · 计算机科学 2022-06-24 Jonathan Heiss , Elias Grünewald , Nikolas Haimerl , Stefan Schulte , Stefan Tai

In this paper we are proposing an algorithm which uses AES technique of 128/192/256 bit cipher key in encryption and decryption of data. AES provides high security as compared to other encryption techniques along with RSA. Cloud computing…

密码学与安全 · 计算机科学 2013-03-06 Sugata Sanyal , Parthasarathy P. Iyer

Machine learning has recently enabled large advances in artificial intelligence, but these tend to be highly centralized. The large datasets required are generally proprietary; predictions are often sold on a per-query basis; and published…

密码学与安全 · 计算机科学 2019-07-18 Justin D. Harris , Bo Waggoner

Bilinear groups are often used to create Attribute-Based Encryption (ABE) algorithms. In particular, they have been used to create an ABE system with multi authorities, but limited to the ciphertext-policy instance. Here, for the first…

密码学与安全 · 计算机科学 2016-04-01 Riccardo Longo , Chiara Marcolla , Massimiliano Sala

Recent trend towards cloud computing paradigm, smart devices and 4G wireless technologies has enabled seamless data sharing among users. Cloud computing environment is distributed and untrusted, hence data owners have to encrypt their data…

密码学与安全 · 计算机科学 2016-02-04 Yogachandran Rahulamathavan

While cryptocurrencies and blockchain applications continue to gain popularity, their energy cost is evidently becoming unsustainable. In most instances, the main cost comes from the required amount of energy for the Proof-of-Work, and this…

密码学与安全 · 计算机科学 2019-08-20 Philippe Jacquet , Bernard Mans

Computation outsourcing is an integral part of cloud computing. It enables end-users to outsource their computational tasks to the cloud and utilize the shared cloud resources in a pay-per-use manner. However, once the tasks are outsourced,…

密码学与安全 · 计算机科学 2015-11-10 Kai Zhou , Jian Ren

\abstract{\textbf{Purpose:} This study addresses the lack of trust in ethical product labels by designing a blockchain platform grounded in the TAFES principles (Transparency, Accountability, Fairness, Ethics, Safety). It aims to bridge the…

计算工程、金融与科学 · 计算机科学 2026-05-07 Nadia Dahmani , Peihao Li , Ravi S. Sharma

Encryption provides a method to protect data outsourced to a DBMS provider, e.g., in the cloud. However, performing database operations over encrypted data requires specialized encryption schemes that carefully balance security and…

密码学与安全 · 计算机科学 2021-03-11 Masoumeh Shafieinejad , Suraj Gupta , Jin Yang Liu , Koray Karabina , Florian Kerschbaum

The privacy-preserving data aggregation is a critical problem for many applications where multiple parties need to collaborate with each other privately to arrive at certain results. Blockchain, as a database shared across the network,…

密码学与安全 · 计算机科学 2023-08-30 Goshgar Ismayilov , Can Ozturan

As data collection and analysis become critical functions for many cloud applications, proper data sharing with approved parties is required. However, the traditional data sharing scheme through centralized data escrow servers may sacrifice…

密码学与安全 · 计算机科学 2021-10-14 Wei-Yi Kuo , Ren-Song Tsay

Fully Homomorphic Encryption (FHE) allows computations to be performed directly on encrypted data without needing to decrypt it first. This "encryption-in-use" feature is crucial for securely outsourcing computations in privacy-sensitive…

密码学与安全 · 计算机科学 2024-10-22 Muhammad Husni Santriaji , Jiaqi Xue , Qian Lou , Yan Solihin