Abstract
Fairness of non-repudiation is naturally expressed as a liveness specification, as in [Sch98]; to formalize this idea, we apply the process algebra CSP to analyze the well-known Zhou-Gollmann protocol. We here model and verify a variant of the ZG protocol that includes a deadline (timestamp) for completion of the protocol, after which an agent can no longer initiate the recovery protocol with the TTP to get hold of the non-repudiation evidence. The verification itself is performed by the FDR model-checker.
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Wei, K., Heather, J. (2006). Towards Verification of Timed Non-repudiation Protocols. In: Dimitrakos, T., Martinelli, F., Ryan, P.Y.A., Schneider, S. (eds) Formal Aspects in Security and Trust. FAST 2005. Lecture Notes in Computer Science, vol 3866. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11679219_18
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DOI: https://doi.org/10.1007/11679219_18
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