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Formal Verification of a Type Flaw Attack on a Security Protocol Using Object-Z

  • Benjamin W. Long
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3455)

Abstract

We have identified a type flaw attack on the Amended Needham Schroeder Protocol with Conventional Keys due to a potential oversight at the presentation layer of the network architecture. Using Object-Z, a formal specification of the protocol is presented allowing us to state the assumed properties of the presentation layer explicitly. Object-Z’s schema calculus is used to verify the attack we have found and the weaknesses upon which the attack depends, thus enabling us to minimise the effort required to prevent the attack and to specify this as part of the model accordingly.

Keywords

IEEE Computer Society Application Layer Security Protocol Incoming Message Protocol Message 
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

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Benjamin W. Long
    • 1
  1. 1.School of Information Technology and Electrical EngineeringThe University of QueenslandBrisbaneAustralia

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