Publication: A Trusted Approach for Decentralised and Privacy-Preserving Identity Management
Authors
Torres, R. ; Garcia Rodriguez, J. ; Bernal Bernabé, Jorge ; Skarmeta Gomez, A. F.
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Publisher
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DOI
10.1109/ACCESS.2021.3099837
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info:eu-repo/semantics/article
Description
©<2021>. This manuscript version is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by /4.0/
This document is the Published Manuscript version of a Published Work that appeared in final form in [IEEE Access]. To access the final edited and published work see[10.1109/ACCESS.2021.3099837]
Abstract
Identity Management (IdM) systems have traditionally relied on a centralized model prone
to privacy, trust, and security problems, like potential massive data breaches or identity spoofing. Identity
providers accumulate excessive power that might allow them to become a big brother, analyzing and storing
as much data as possible. Users should be able to trust identity providers and manage their personal information straightforwardly without compromising their privacy. The European OLYMPUS project introduces
a distributed approach for IdM based on enhanced Attribute-Based Credentials (ABC) that splits the role
of Identity Provider to limit their influence and chances to become a unique point of failure. However,
the trust relationship between service providers, users, and identity providers is still a gap in those kinds
of privacy-preserving ABC systems. Decentralized technologies are an opportunity to break away from
the centralized model and propose systems that respect privacy while increasing users’ trust. This paper
presents an evolution of the OLYMPUS architecture, maintaining all the privacy features and incorporating
distributed ledger technologies to enhance trust and security in online transactions and IdM systems. The
proposed system has been implemented, tested, and validated, showing its performance and feasibility to
manage user’s identity in a fully privacy-preserving, distributed and reliable way.
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