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Noninterference Analysis of Delegation Subterfuge in Distributed Authorization Systems

  • Simon N. Foley
Conference paper
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 401)

Abstract

A principal carrying out a delegation may not be certain about the state of its delegation graph as it may have been perturbed by an attacker. This perturbation may come about from the attacker concealing the existence of selected delegation certificates and/or injecting new delegation certificates. As a consequence of this delegation subterfuge the principal may violate its own policy that guides delegation actions. This paper considers the verification of the absence of subterfuge in systems that accept and issue delegation certificates. It is argued that this absence of subterfuge is not a safety property and a non-interference style security-property based interpretation is proposed.

Keywords

Inference Rule Delegation State Computer Security Safety Property Authorization Language 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© IFIP International Federation for Information Processing 2013

Authors and Affiliations

  • Simon N. Foley
    • 1
  1. 1.Department of Computer ScienceUniversity College CorkIreland

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