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This paper presents two methodological advancements in decentralized multi-task learning under privacy constraints, aiming to pave the way for future developments in next-generation Blockchain platforms. First, we expand the existing…

Machine Learning · Computer Science 2024-04-02 Tsuyoshi Idé , Dzung T. Phan , Rudy Raymond

In this white paper, we propose a blockchain-based system, named AME, which is a decentralized infrastructure and application platform with enhanced security and self-management properties. The AME blockchain technology aims to increase the…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-20 Lanny Z. N. Yuan , Huaibing Jian , Peng Liu , Pengxin Zhu , ShanYang Fu

Mobile Ad hoc Networks (MANETs) are subject to various kinds of attacks. Deploying security mechanisms is difficult due to inherent properties of ad hoc networks, such as the high dynamics of their topology, restricted bandwidth, and…

Cryptography and Security · Computer Science 2012-07-09 Preetida Vinayakray-Jani , Sugata Sanyal

Recently, the Internet of Things (IoT) environment has become increasingly fertile for malicious users to break the security and privacy of IoT users. Access control is a paramount necessity to forestall illicit access. Traditional access…

Cryptography and Security · Computer Science 2025-03-25 Ebtihal Abdulrahman , Suhair Alshehri , Ali Alzubaidy , Asma Cherif

The Internet of Things (IoT) necessitates robust access control mechanisms to secure a vast array of interconnected devices. Most of the existing IoT systems in practice use centralized solutions. We identify the problems in such solutions…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-27 Yongtao Huang , I-Ling Yen , Farokh Bastani

The growing sophistication of Business Email Compromise (BEC) and spear phishing attacks poses significant challenges to organizations worldwide. The techniques featured in traditional spam and phishing detection are insufficient due to the…

We propose and experimentally evaluate a novel secure aggregation algorithm targeted at cross-organizational federated learning applications with a fixed set of participating learners. Our solution organizes learners in a chain and encrypts…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-08-16 Thomas Sandholm , Sayandev Mukherjee , Bernardo A. Huberman

In this letter, a physical unclonable function (PUF)-advanced encryption standard (AES)-PUF is proposed as a new PUF architecture by embedding an AES cryptographic circuit between two conventional PUF circuits to conceal their…

Cryptography and Security · Computer Science 2018-10-18 Weize Yu , Jia Chen

Outsourcing a relational database to the cloud offers several benefits, including scalability, availability, and cost-effectiveness. However, there are concerns about the confidentiality and security of the outsourced data. A general…

Cryptography and Security · Computer Science 2023-10-10 Johannes Koppenwallner , Erich Schikuta

Model Extraction Attacks (MEAs) threaten modern machine learning systems by enabling adversaries to steal models, exposing intellectual property and training data. With the increasing deployment of machine learning models in distributed…

Cryptography and Security · Computer Science 2025-02-25 Kaixiang Zhao , Lincan Li , Kaize Ding , Neil Zhenqiang Gong , Yue Zhao , Yushun Dong

As cloud computing gains traction, data owners are outsourcing their data to cloud service providers (CSPs) for Database Service (DBaaS), bringing in a deviation of data ownership and usage, and intensifying privacy concerns, especially…

Cryptography and Security · Computer Science 2024-04-11 Hui Li , Jingwen Shi , Qi Tian , Zheng Li , Yan Fu , Bingqing Shen , Yaofeng Tu

Database fingerprinting have been widely adopted to prevent unauthorized sharing of data and identify the source of data leakages. Although existing schemes are robust against common attacks, like random bit flipping and subset attack,…

Cryptography and Security · Computer Science 2021-07-23 Tianxi Ji , Emre Yilmaz , Erman Ayday , Pan Li

Irregular codes are bottlenecked by memory and communication latency. Decoupled access/execute (DAE) is a common technique to tackle this problem. It relies on the compiler to separate memory address generation from the rest of the program,…

Performance · Computer Science 2025-01-24 Robert Szafarczyk , Syed Waqar Nabi , Wim Vanderbauwhede

Legacy encryption systems depend on sharing a key (public or private) among the peers involved in exchanging an encrypted message. However, this approach poses privacy concerns. Especially with popular cloud services, the control over the…

Cryptography and Security · Computer Science 2017-10-09 Abbas Acar , Hidayet Aksu , A. Selcuk Uluagac , Mauro Conti

Pre-shared keys (PSK) have been widely used in network security. Nonetheless, existing PSK solutions are not scalable. Moreover, whenever a new user joins a network, PSK requires an existing user to get a new key before they are able to…

Cryptography and Security · Computer Science 2024-11-26 Jie Lin , Hoi-Kwong Lo , Jacob Johannsson , Mattia Montagna , Manfred von Willich

Federated Self-Supervised Learning (FSSL) integrates the privacy advantages of distributed training with the capability of self-supervised learning to leverage unlabeled data, showing strong potential across applications. However, recent…

Cryptography and Security · Computer Science 2026-02-06 Jiayao Wang , Yiping Zhang , Jiale Zhang , Wenliang Yuan , Qilin Wu , Junwu Zhu , Dongfang Zhao

Efficient and secure revocable attribute-based encryption (RABE) is vital for ensuring flexible and fine-grained access control and data sharing in cloud storage and outsourced data environments within the Internet of Things (IoT). However,…

Cryptography and Security · Computer Science 2025-09-26 Yongjiao Li , Liang Zhu , Yalin Deng , Qikun Zhang , Zhenlei Wang , Zhu Cao

An increasing amount of processes are becoming automated for increased efficiency and safety. Common examples are in automotive, industrial control systems or healthcare. Automation usually relies on a network of sensors to provide key data…

Cryptography and Security · Computer Science 2021-08-10 Raoul Guiazon

Authcoin is an alternative approach to the commonly used public key infrastructures such as central authorities and the PGP web of trust. It combines a challenge response-based validation and authentication process for domains,…

Cryptography and Security · Computer Science 2016-09-19 Benjamin Leiding , Clemens H. Cap , Thomas Mundt , Samaneh Rashidibajgan

Due to the advances of sensing and storage technologies, a tremendous amount of data becomes available and, it supports the phenomenal growth of artificial intelligence (AI) techniques especially, deep learning (DL), in various application…

Cryptography and Security · Computer Science 2021-09-15 Praveen Fernando , Jin Wei-Kocsis