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Privacy compliance verification in cryptographic protocols

Suriadi, Suriadi, Ouyang, Chun, & Foo, Ernest (2012) Privacy compliance verification in cryptographic protocols. Transactions on Petri Nets and Other Models of Concurrency VI : Lecture Notes in Computer Science, 7400, pp. 251-276.

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Abstract

To provide privacy protection, cryptographic primitives are frequently applied to communication protocols in an open environment (e.g. the Internet). We call these protocols privacy enhancing protocols (PEPs) which constitute a class of cryptographic protocols. Proof of the security properties, in terms of the privacy compliance, of PEPs is desirable before they can be deployed. However, the traditional provable security approach, though well-established for proving the security of cryptographic primitives, is not applicable to PEPs. We apply the formal language of Coloured Petri Nets (CPNs) to construct an executable specification of a representative PEP, namely the Private Information Escrow Bound to Multiple Conditions Protocol (PIEMCP). Formal semantics of the CPN specification allow us to reason about various privacy properties of PIEMCP using state space analysis techniques. This investigation provides insights into the modelling and analysis of PEPs in general, and demonstrates the benefit of applying a CPN-based formal approach to the privacy compliance verification of PEPs.

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ID Code: 48484
Item Type: Journal Article
Keywords: Privacy-enhancing protocol, Single sign-on, Coloured Petri Nets, CTL, Cryptographic protocols
DOI: 10.1007/978-3-642-35179-2_11
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > COMPUTATION THEORY AND MATHEMATICS (080200) > Computational Logic and Formal Languages (080203)
Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > DISTRIBUTED COMPUTING (080500) > Networking and Communications (080503)
Divisions: Current > Schools > School of Information Systems
Past > Institutes > Information Security Institute
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 Springer
Deposited On: 08 Feb 2012 09:14
Last Modified: 07 Mar 2013 09:15

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