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We propose a capability-based access control technique for sharing Web resources, based on Verifiable Credentials (VCs) and OAuth 2.0. VCs are a secure means for expressing claims about a subject. Although VCs are ideal for encoding…

Cryptography and Security · Computer Science 2021-04-30 Nikos Fotiou , Vasilios A. Siris , George C. Polyzos

Controlled sharing is fundamental to distributed systems. We consider a capability-based distributed authorization system where a client receives capabilities (access tokens) from an authorization server to access the resources of resource…

Cryptography and Security · Computer Science 2022-11-10 Adrian Shuai Li , Reihaneh Safavi-Naini , Philip W. L. Fong

OAuth 2.0 is the industry-standard protocol for authorization. It facilitates secure service provisioning, as well as secure interoperability among diverse stakeholders. All OAuth 2.0 protocol flows result in the creation of an access…

Cryptography and Security · Computer Science 2020-01-29 Nikos Fotiou , Iakovos Pittaras , Vasilios A. Siris , Spyros Voulgaris , George C. Polyzos

Unmanned aerial vehicle (UAV) networks are increasingly deployed for complex missions, including disaster response, intelligent logistics, and environmental monitoring. These missions generally require coordinated collaboration among…

Cryptography and Security · Computer Science 2026-03-03 Yao Wu , Ziye Jia , Jingjing Zhao , Haoyang Wang , Qihui Wu , Zhu Han

Authentication and authorization are two key elements of a software application. In modern day, OAuth 2.0 framework and OpenID Connect protocol are widely adopted standards fulfilling these requirements. These protocols are implemented into…

Cryptography and Security · Computer Science 2018-08-21 Kavindu Dodanduwa , Ishara Kaluthanthri

Cloud computing is significantly reshaping the computing industry built around core concepts such as virtualization, processing power, connectivity and elasticity to store and share IT resources via a broad network. It has emerged as the…

Cryptography and Security · Computer Science 2017-10-24 Obinna Ethelbert , Faraz Fatemi Moghaddam , Philipp Wieder , Ramin Yahyapour

Next generation mobile networks are poised to transition from monolithic structures owned and operated by single mobile network operators into multi-stakeholder networks where various parties contribute with infrastructure, resources, and…

Networking and Internet Architecture · Computer Science 2025-03-04 Sandro Rodriguez Garzon , Hai Dinh Tuan , Maria Mora Martinez , Axel Küpper , Hans Joachim Einsiedler , Daniela Schneider

Unmanned aerial vehicles (UAVs) are gaining immense attention due to their potential to revolutionize various businesses and industries. However, the adoption of UAV-assisted applications will strongly rely on the provision of reliable…

Cryptography and Security · Computer Science 2021-10-29 Ruba Alkadi , Abdulhadi Shoufan

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…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-27 Alex Withers , Brian Bockelman , Derek Weitzel , Duncan Brown , Jason Patton , Jeff Gaynor , Jim Basney , Todd Tannenbaum , You Alex Gao , Zach Miller

The prevalence of Internet of Things (IoTs) allows heterogeneous embedded smart devices to collaboratively provide intelligent services with or without human intervention. While leveraging the large-scale IoT-based applications like Smart…

Networking and Internet Architecture · Computer Science 2018-05-03 Ronghua Xu , Yu Chen , Erik Blasch , Genshe Chen

The prevalence of Internet of Things (IoTs) allows heterogeneous embedded smart devices to collaboratively provide smart services with or without human intervention. While leveraging the large scale IoT based applications like Smart Gird or…

Networking and Internet Architecture · Computer Science 2018-04-26 Ronghua Xu , Yu Chen , Erik Blasch , Genshe Chen

We present models for utilizing blockchain and smart contract technology with the widely used OAuth 2.0 open authorization framework to provide delegated authorization for constrained IoT devices. The models involve different tradeoffs in…

Cryptography and Security · Computer Science 2019-05-07 Vasilios A. Siris , Dimitrios Dimopoulos , Nikos Fotiou , Spyros Voulgaris , George C. Polyzos

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…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-13 Alex Withers , Brian Bockelman , Derek Weitzel , Duncan Brown , Jeff Gaynor , Jim Basney , Todd Tannenbaum , Zach Miller

Static, long-lived credentials for workload authentication create untenable security risks that violate Zero-Trust principles. This paper presents a multi-cloud framework using Workload Identity Federation (WIF) and OpenID Connect (OIDC)…

Cryptography and Security · Computer Science 2025-10-21 Saurabh Deochake , Ryan Murphy , Jeremiah Gearheart

Several types of networks that comprise unmanned aerial vehicles (UAV or drone) are being utilized in important applications such as emergency response, environment and infrastructure monitoring, defense and security, and commerce. In such…

Cryptography and Security · Computer Science 2022-06-15 Khaleel Mershad

In this work, we leverage advances in decentralized identifiers and permissioned blockchains to build a flexible user authentication and authorization mechanism that offers enhanced privacy, achieves fast revocation, and supports…

Cryptography and Security · Computer Science 2019-11-14 Nikos Fotiou , Iakovos Pittaras , Vasilios A. Siris , George C. Polyzos

We leverage blockchain technology for drone node authentication in internet of drone things (IoDT). During the authentication procedure, the credentials of drone nodes are examined to remove malicious nodes from the system. In IoDT, drones…

Cryptography and Security · Computer Science 2022-10-24 Junaid Akram , Awais Akram , Rutvij H. Jhaveri , Mamoun Alazab , Haoran Chi

Container technologies have been evolving rapidly in the cloud-native era. Kubernetes, as a production-grade container orchestration platform, has been proven to be successful at managing containerized applications in on-premises…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-25 Chao Zheng , Qinghui Zhuang , Fei Guo

As IoT becomes omnipresent vast amounts of data are generated, which can be used for building innovative applications. However,interoperability issues and security concerns, prevent harvesting the full potentials of these data. In this…

Cryptography and Security · Computer Science 2022-09-02 Nikos Fotiou , Iakovos Pittaras , Spiros Chadoulos , Vasilios A. Siris , George C. Polyzos , Nikolaos Ipiotis , Stratos Keranidis

In the domain of spatial crowdsourcing drone services, which includes tasks like delivery, surveillance, and data collection, secure communication is paramount. The Public Key Infrastructure (PKI) ensures this by providing a system for…

Cryptography and Security · Computer Science 2024-07-02 Junaid Akram , Ali Anaissi
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