Enforcing Access Control in Virtual Organizations Using Hierarchical Attribute-Based Encryption

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Provided by: Eindhoven University of Technology
Topic: Security
Format: PDF
Virtual organizations are dynamic, inter-organizational collaborations that involve systems and services belonging to different security domains. Several solutions have been proposed to guarantee the enforcement of the access control policies protecting the information exchanged in a distributed system, but none of them addresses the dynamicity characterizing virtual organizations. In this paper the authors propose a Dynamic-Hierarchical Attribute-Based Encryption (D-HABE) scheme that allows the institutions in a virtual organization to encrypt information according to an attribute-based policy in such a way that only users with the appropriate attributes can decrypt it.
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