The COVID-19 pandemic helped countries to increase the use of their mobile eID solutions. These are based on traditional identity management systems, which suffer from weaknesses, such as the reliance on a central entity to provide the identity data and the lack of control of the user over her or his data. The introduction of self-sovereign identity (SSI) for e-government systems can strengthen the privacy of the citizens while enabling identification also for the weakest. To successfully initiate SSI, different factors have to be taken into account. In order to have a clear understanding of the challenges, but also lessons learned, we provide an overview of existing solutions and projects and conducted an analysis of their experiences. Based on a taxonomy, we identified strong points, as well as encountered challenges. The contribution of this paper is threefold: First, we enhanced existing taxonomies based on the literature for further evaluations. Second, we analyzed eID solutions for lessons learned. Third, we evaluated more recently started SSI projects in different states of their lifecycle. This led to a comprehensive discussion of the lessons learned and challenges to address, as well as further findings.
Part 7: Identity ManagementInternational audienceWe present the concept and design of Géant-TrustBroker, a new service to facilitate multi-tenant ICT service user authentication and authorization (AuthNZ) management in large-scale eScience infrastructures that is researched and implemented by the pan-European research and education network, Géant. Géant-TrustBroker complements eduGAIN, a successful umbrella inter-federation created on top of national higher education federations in more than 20 countries world-wide. Motivated by experiences with real-world limits of eduGAIN, Géant-TrustBroker’s primary goal is to enable a dynamic and highly scalable management of identity federations and inter-federations. Instead of eduGAIN’s federation-of-federations approach, Géant-TrustBroker enables the on-demand establishment and life-cycle management of dynamic virtual federations and achieves a high level of automation to reduce the manual workload for the participating organizations, which so far is one of the most significant obstacles for the adoption of Federated Identity Management, e.g., based on the SAML standard. We contrast Géant-TrustBroker with other state-of-the-art approaches, present its workflows and internal mode of operations and give an outlook to how eduGAIN can be used in combination with Géant-TrustBroker to solve current AuthNZ problems in international research projects and communities
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