Blockchain Based Access Control - Distributed Applications and Interoperable Systems (DAIS 2017) Access content directly
Conference Papers Year : 2017

Blockchain Based Access Control

Paolo Mori
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Laura Ricci
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Access Control systems are used in computer security to regulate the access to critical or valuable resources. The rights of subjects to access such resources are typically expressed through access control policies, which are evaluated at access request time against the current access context. This paper proposes a new approach based on blockchain technology to publish the policies expressing the right to access a resource and to allow the distributed transfer of such right among users. In our proposed protocol the policies and the rights exchanges are publicly visible on the blockchain, consequently any user can know at any time the policy paired with a resource and the subjects who currently have the rights to access the resource. This solution allows distributed auditability, preventing a party from fraudulently denying the rights granted by an enforceable policy. We also show a possible working implementation based on XACML policies, deployed on the Bitcoin blockchain.
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Dates and versions

hal-01800124 , version 1 (25-05-2018)





Damiano Di Francesco Maesa, Paolo Mori, Laura Ricci. Blockchain Based Access Control. 17th IFIP International Conference on Distributed Applications and Interoperable Systems (DAIS), Jun 2017, Neuchâtel, Switzerland. pp.206-220, ⟨10.1007/978-3-319-59665-5_15⟩. ⟨hal-01800124⟩
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