Self-Enforcing Access Control for Encrypted RDF
published: July 10, 2017, recorded: June 2017, views: 8
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The amount of raw data exchanged via web protocols is steadily increasing. Although the Linked Data infrastructure could potentially be used to selectively share RDF data with different individuals or organisations, the primary focus remains on the unrestricted sharing of public data. In order to extend the Linked Data paradigm to cater for closed data, there is a need to augment the existing infrastructure with robust security mechanisms. At the most basic level both access control and encryption mechanisms are required. In this paper, we propose a flexible and dynamic mechanism for securely storing and efficiently querying RDF datasets. By employing an encryption strategy based on Functional Encryption (FE) in which controlled data access does not require a trusted mediator, but is instead enforced by the cryptographic approach itself, we allow for fine-grained access control over encrypted RDF data while at the same time reducing the administrative overhead associated with access control management.
Supported by the Austrian Science Fund (FWF): M1720-G11, the Austrian Research Promotion Agency (FFG) under grant 845638, and European Union’s Horizon 2020 research and innovation programme under grant 731601.
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