Language based policy analysis in a SPKI Trust Management System

  • Authors:
  • Arun K. Eamani;A. Prasad Sistla

  • Affiliations:
  • University of Illinois at Chicago, USA E-mail: aeamani,sistla@cs.uic.edu;University of Illinois at Chicago, USA E-mail: aeamani,sistla@cs.uic.edu

  • Venue:
  • Journal of Computer Security
  • Year:
  • 2006

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Abstract

SPKI/SDSI is a standard for issuing authorization and name certificates. SPKI/SDSI can be used to implement a Trust Management System, where the policy for resource access is distributively specified by multiple trusted entities. Agents in the system need a formal mechanism for understanding the current state of policy. We present a first order temporal logic, called FTPL for specifying properties of a given SPKI/SDSI policy state. We also present algorithms to check if a SPKI/SDSI policy state satisfies a property specified in FTPL.