Zobrazeno 1 - 10
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pro vyhledávání: '"Pittaras, Iakovos"'
Autor:
Fotiou, Nikos, Pittaras, Iakovos, Chadoulos, Spiros, Siris, Vasilios A., Polyzos, George C., Ipiotis, Nikolaos, Keranidis, Stratos
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 paper we consi
Externí odkaz:
http://arxiv.org/abs/2209.00586
Autor:
Pittaras, Iakovos, Fotiou, Nikos, Karapapas, Christos, Siris, Vasilios A., Polyzos, George C.
Publikováno v:
In Blockchain: Research and Applications March 2024 5(1)
Decentralized systems, such as distributed ledgers and the InterPlanetary File System (IPFS), are designed to offer more open and robust services. However, they also create opportunities for illegal activities. We demonstrate how these technologies c
Externí odkaz:
http://arxiv.org/abs/2003.04426
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 token, which is
Externí odkaz:
http://arxiv.org/abs/2001.10461
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 distributed "policy
Externí odkaz:
http://arxiv.org/abs/1911.05539
Blockchains and smart contracts are an emerging, promising technology, that has received considerable attention. We use the blockchain technology, and in particular Ethereum, to implement a large-scale event-based Internet of Things (IoT) control sys
Externí odkaz:
http://arxiv.org/abs/1907.03904
Publikováno v:
In Blockchain: Research and Applications March 2021 2(1)
Autor:
Fotiou, Nikos, Faltaka, Evgenia, Kalos, Vasilis, Kefala, Anna, Pittaras, Iakovos, Siris, Vasilios A., Polyzos, George C.
We design, implement, and evaluate a solution for achieving continuous authorization of HTTP requests exploiting Verifiable Credentials (VCs) and OAuth 2.0. Specifically, we develop a VC issuer that acts as an OAuth 2.0 authorization server, a VC ver
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::793010e7a7ad917675458c9946cb39fe
Akademický článek
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Autor:
Pittaras, Iakovos, Fotiou, Nikos, Karapapas, Christos, Siris, Vasilios A., Polyzos, George C.
Publikováno v:
Blockchain: Research and Applications; 20230101, Issue: Preprints