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Public key infrastructures are essential for Internet security, ensuring robust certificate management and revocation mechanisms. The transition from centralized to decentralized systems presents challenges such as trust distribution and…

密码学与安全 · 计算机科学 2025-03-05 Patrick Herbke , Thomas Cory , Mauro Migliardi

Blockchain technology provides a private, secure, transparent decentralized exchange of data. Also, blockchain is not limited to a particular area, but it has a wide range of applications and can be integrated into a variety of Internet…

密码学与安全 · 计算机科学 2021-12-17 M. Sipek , M. Zagar , B. Mihaljevic

The rapid expansion of user medical records across global systems presents not only opportunities but also new challenges in maintaining effective application models that ensure user privacy, controllability, and the ability to…

密码学与安全 · 计算机科学 2024-06-06 Phong Tran , Thong Nguyen , Long Chu , Nhi Tran , Hang Ta

The rapid advancement of artificial intelligence has made the generation of synthetic images widely accessible, increasing concerns related to misinformation, digital forgery, and content authenticity on large-scale online platforms. This…

密码学与安全 · 计算机科学 2026-02-03 Apoorv Mohit , Bhavya Aggarwal , Chinmay Gondhalekar

Verifiable decentralized federated learning (FL) systems combining blockchains and zero-knowledge proofs (ZKP) make the computational integrity of local learning and global aggregation verifiable across workers. However, they are not…

机器学习 · 计算机科学 2024-04-22 Chaehyeon Lee , Jonathan Heiss , Stefan Tai , James Won-Ki Hong

Federated Learning (FL) is a well-known paradigm of distributed machine learning on mobile and IoT devices, which preserves data privacy and optimizes communication efficiency. To avoid the single point of failure problem in FL,…

密码学与安全 · 计算机科学 2024-03-13 Xiaoxue Zhang , Yifan Hua , Chen Qian

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

Blockchain systems rely on decentralized ledgers and strong security guarantees. A key requirement is non-repudiation, which prevents denial of transaction authorship and supports integrity of recorded data. This work surveys digital…

密码学与安全 · 计算机科学 2025-10-28 Kaveri Banerjee , Sajal Saha

Academic publishing, integral to knowledge dissemination and scientific advancement, increasingly faces threats from unethical practices such as unconsented authorship, gift authorship, author ambiguity, and undisclosed conflicts of…

密码学与安全 · 计算机科学 2025-08-05 Kamal Al-Sabahi , Yousuf Khamis Al Mabsali

The InterPlanetary File System (IPFS) is a novel decentralised storage architecture, which attempts to provide decentralised cloud storage by building on founding principles of P2P networking and content addressing. IPFS is used by more…

网络与互联网体系结构 · 计算机科学 2022-04-05 Trinh Viet Doan , Yiannis Psaras , Jörg Ott , Vaibhav Bajpai

According to experts, one third of all IT vulnerabilities today are due to inadequate software verification. Internal program processes are not sufficiently secured against manipulation by attackers, especially if access has been gained.…

密码学与安全 · 计算机科学 2022-11-22 Erik Heiland , Peter Hillmann

Internet of Things (IoT) devices are capable of allowing for far-reaching access to and evaluation of patient data to monitor health and diagnose from a distance. An electronic healthcare system that checks patient data, prepares medicines…

密码学与安全 · 计算机科学 2024-03-14 Mehrzad Mohammadi , Reza Javan , Mohammad Beheshti-Atashgah , Mohammad Reza Aref

A major problem in blockchain-based supply chain management is the potential unreliability of digital twins when considering digital representations of physical goods. Indeed, the use of blockchain technology to trace goods is obviously…

密码学与安全 · 计算机科学 2023-09-06 Vincenzo Botta , Laura Fusco , Attilio Mondelli , Ivan Visconti

Secure and reliable management of identities has become one of the greatest challenges facing cloud computing today, mainly due to the huge number of new cloud-based applications generated by this model, which means more user accounts,…

密码学与安全 · 计算机科学 2019-03-13 Keltoum Bendiab , Nicholas Kolokotronis , Stavros Shiaeles , Samia Boucherkha

An interesting research problem in supply chain industry is evaluating and determining provenance of physical goods - demonstrating authenticity of luxury goods. Yet, there have been a few innovative software solutions addressing product…

计算机与社会 · 计算机科学 2021-02-04 Neo C. K. Yiu

Blockchain has widely been adopted to design accountable federated learning frameworks; however, the existing frameworks do not scale for distributed model training over multiple independent blockchain networks. For storing the pre-trained…

分布式、并行与集群计算 · 计算机科学 2022-04-15 Sarthak Chakraborty , Sandip Chakraborty

Authentication and authorization of a user's identity are generally done by the service providers or identity providers. However, these centralized systems limit the user's control of their own identity and are prone to massive data leaks…

密码学与安全 · 计算机科学 2022-07-06 Shlok Gilda , Tanvi Jain , Aashish Dhalla

In the dynamic realm of digital content, safeguarding intellectual property rights poses critical challenges. This paper presents "SecureRights," an innovative Blockchain-based Trusted Digital Rights Management (DRM) framework. It…

密码学与安全 · 计算机科学 2024-03-12 Tiroshan Madushanka , Dhammika S. Kumara , Atheesh A. Rathnaweera

The management of security credentials (e.g., passwords, secret keys) for computational science workflows is a burden for scientists and information security officers. Problems with credentials (e.g., expiration, privilege mismatch) cause…

分布式、并行与集群计算 · 计算机科学 2018-07-13 Alex Withers , Brian Bockelman , Derek Weitzel , Duncan Brown , Jeff Gaynor , Jim Basney , Todd Tannenbaum , Zach Miller

Protecting integrated circuits (ICs) from piracy and theft throughout their lifecycle is a persistent and complex challenge. In order to safeguard against illicit piracy attacks, this work proposes a novel framework utilizing Non-Fungible…

密码学与安全 · 计算机科学 2024-12-10 Shashank Balla , Yiming Zhao , Farinaz Koushanfar