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This paper studies device to device (D2D) coded-caching with information theoretic security guarantees. A broadcast network consisting of a server, which has a library of files, and end users equipped with cache memories, is considered.…

信息论 · 计算机科学 2019-05-06 Ahmed A. Zewail , Aylin Yener

Attestation of documents like legal papers, professional qualifications, medical records, and commercial documents is crucial in global transactions, ensuring their authenticity, integrity, and trustworthiness. Companies expanding…

密码学与安全 · 计算机科学 2025-11-13 Swapna Krishnakumar Radha , Andrey Kuehlkamp , Jarek Nabrzyski

Permissioned blockchain such as Hyperledger fabric enables a secure supply chain model in Industrial Internet of Things (IIoT) through multichannel and private data collection mechanisms. Sharing of Industrial data including private data…

密码学与安全 · 计算机科学 2021-03-31 Muhammad Islam , Mubashir Husain Rehmani , Jinjun Chen

The social demand for email end-to-end encryption is barely supported by mainstream service providers. Autocrypt is a new community-driven open specification for e-mail encryption that attempts to respond to this demand. In Autocrypt the…

密码学与安全 · 计算机科学 2018-10-15 Bogdan Kulynych , Wouter Lueks , Marios Isaakidis , George Danezis , Carmela Troncoso

Blockchains provide environments where parties can interact transparently and securely peer-to-peer without needing a trusted third party. Parties can trust the integrity and correctness of transactions and the verifiable execution of…

密码学与安全 · 计算机科学 2023-03-02 Simon Tschirner , Shashank Shekher Tripathi , Mathias Roeper , Markus M. Becker , Volker Skwarek

Containerization has emerged as a revolutionary technology in the software development and deployment industry. Containers offer a portable and lightweight solution that allows for packaging applications and their dependencies…

密码学与安全 · 计算机科学 2024-05-14 Md Sadun Haq , Ali Saman Tosun , Turgay Korkmaz

Secure cloud storage is an issue of paramount importance that both businesses and end-users should take into consideration before moving their data to, potentially, untrusted clouds. Migrating data to the cloud raises multiple privacy…

密码学与安全 · 计算机科学 2022-05-09 Alexandros Bakas , Antonis Michalas

Decentralized optimization enables a network of agents to cooperatively optimize an overall objective function without a central coordinator and is gaining increased attention in domains as diverse as control, sensor networks, data mining,…

最优化与控制 · 数学 2023-12-27 Yongqiang Wang , Angelia Nedic

The rapid advancement of ML models in critical sectors such as healthcare, finance, and security has intensified the need for robust data security, model integrity, and reliable outputs. Large multimodal foundational models, while crucial…

密码学与安全 · 计算机科学 2024-12-13 Hongyang Zhang , Yue Zhao , Claudio Angione , Harry Yang , James Buban , Ahmad Farhan , Fielding Johnston , Patrick Colangelo

Distributed privacy-preserving regression schemes have been developed and extended in various fields, where multiparty collaboratively and privately run optimization algorithms, e.g., Gradient Descent, to learn a set of optimal parameters.…

机器学习 · 计算机科学 2022-10-18 Xinlin Leng , Chenxu Li , Weifeng Xu , Yuyan Sun , Hongtao Wang

Deepfake technology is a major threat to the integrity of digital media. This paper presents a comprehensive framework for a blockchain-based decentralized system designed to tackle the escalating challenge of digital content integrity. The…

密码学与安全 · 计算机科学 2023-12-05 Dipankar Sarkar

Custom officials across the world encounter huge volumes of transactions. With increased connectivity and globalization, the customs transactions continue to grow every year. Associated with customs transactions is the customs fraud - the…

机器学习 · 计算机科学 2023-08-22 Karandeep Singh , Yu-Che Tsai , Cheng-Te Li , Meeyoung Cha , Shou-De Lin

Recently, cybersecurity becomes more and more important due to the rapid development of Internet. However, existing methods are in reality highly sensitive to attacks and are far more vulnerable than expected, as they are lack of trustable…

密码学与安全 · 计算机科学 2018-11-28 Yu Han , Zhongru Wang , Qiang Ruan , Binxing Fang

Authentication with username and password is becoming an inconvenient process for the user. End users typically have little control over their personal privacy, and data breaches effecting millions of users have already happened several…

分布式、并行与集群计算 · 计算机科学 2020-06-09 Zoltán András Lux , Dirk Thatmann , Sebastian Zickau , Felix Beierle

Supply chain data management faces challenges in traceability, transparency, and trust. These issues stem from data silos and communication barriers. This research introduces DIDChain, a framework leveraging blockchain technology,…

Private blockchain networks are used by enterprises to manage decentralized processes without trusted mediators and without exposing their assets publicly on an open network like Ethereum. Yet external parties that cannot join such networks…

密码学与安全 · 计算机科学 2021-01-26 Dushyant Behl , Palanivel Kodeswaran , Venkatraman Ramakrishna , Sayandeep Sen , Dhinakaran Vinayagamurthy

Decentralized proactive caching and coded delivery is studied in a content delivery network, where each user is equipped with a cache memory, not necessarily of equal capacity. Cache memories are filled in advance during the off-peak…

信息论 · 计算机科学 2017-08-01 Mohammad Mohammadi Amiri , Qianqian Yang , Deniz Gunduz

The work presents a solution for completely decentralized data management systems in geographically distributed environments with administratively unrelated or loosely related user groups and in conditions of partial or complete lack of…

分布式、并行与集群计算 · 计算机科学 2021-12-21 Andrey Demichev , Alexander Kryukov

The emerging Federated Edge Learning (FEL) technique has drawn considerable attention, which not only ensures good machine learning performance but also solves "data island" problems caused by data privacy concerns. However, large-scale FEL…

密码学与安全 · 计算机科学 2020-08-12 Jiawen Kang , Zehui Xiong , Chunxiao Jiang , Yi Liu , Song Guo , Yang Zhang , Dusit Niyato , Cyril Leung , Chunyan Miao

Modern applications often operate on data in multiple administrative domains. In this federated setting, participants may not fully trust each other. These distributed applications use transactions as a core mechanism for ensuring…

分布式、并行与集群计算 · 计算机科学 2016-08-23 Isaac Sheff , Tom Magrino , Jed Liu , Andrew C. Myers , Robbert van Renesse