ALOPA: Authorization Logic for Property Attestation in Trusted Platforms

  • Authors:
  • Aarthi Nagarajan;Vijay Varadharajan;Michael Hitchens

  • Affiliations:
  • Macquarie University, Sydney, Australia;Macquarie University, Sydney, Australia;Macquarie University, Sydney, Australia

  • Venue:
  • ATC '09 Proceedings of the 6th International Conference on Autonomic and Trusted Computing
  • Year:
  • 2009

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Abstract

Property based attestation is an extension of the proposed trusted computing attestation mechanism where binary measurements are abstracted to meaningful platform properties. In this paper, we propose ALOPA - A uthorization Lo gic for P roperty A ttestation, a logic based language for the specification and evaluation of authorization policies using properties in trusted platforms. Access control policies specified using ALOPA govern the access of platforms to resources on the basis of the platform's identity and a collection of rules based on platform properties, which determine, for any platform and any resource, the types of accesses the platform is allowed on the resource. Such an approach seems promising for developing secure distributed applications using property attestation based authorization for trusted platforms.