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research
Managing Access to Service Providers in Federated Identity Environments: A Case Study in a Cloud Storage Service
Authors
Roberto Araujo
Carlos Da Silva
+3 more
Andre Castro De Felippe
Thomas Diniz
Taina Medeiros
Publication date
5 November 2015
Publisher
'Institute of Electrical and Electronics Engineers (IEEE)'
Doi
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Abstract
© 2015 IEEE. Currently the diversity of services, which are adhering to Identity Federation, has raised new challenges in the area. Increasingly, service providers need to control the access to their resources by users from the federation as, even though the user is authenticated by the federation, its access to resources cannot be taken for granted. Each Service Provider (SP) of a federation implements their own access control mechanism. Moreover, SPs might need to allow different access control granularity. For instance, all users from a particular Identity Provider (IdP) may access the resources due to some financial agreement. On the other hand, it might be the case that only specific users, or groups of users, have access to the resources. This paper proposes a solution to this problem through a hierarchical authorization system. Our approach, which can be customized to different SPs, allows the SP administrator to manage which IdPs, or users, have access to the provided resources. In order to demonstrate the feasibility of our approach, we present a case study in the context of a cloud storage solution
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Sheffield Hallam University Research Archive
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oai:shura.shu.ac.uk:25233
Last time updated on 05/02/2020
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info:doi/10.1109%2Fsbrc.2015.3...
Last time updated on 03/08/2021