Game-Based Verification of Multi-Party Contract Signing Protocols

  title={Game-Based Verification of Multi-Party Contract Signing Protocols},
  author={Ying Zhang and Chenyi Zhang and Jun Pang and Sjouke Mauw},
  booktitle={Formal Aspects in Security and Trust},
A multi-party contract signing (MPCS) protocol is used for a group of signers to sign a digital contract over a network. We analyse the protocols of Mukhamedov and Ryan (MR), and of Mauw, Radomirović and Torabi Dashti (MRT), using the finite-state model checker Mocha. Mocha allows for the specification of properties in alternating-time temporal logic (ATL) with game semantics, and the model checking problem for ATL requires the computation of winning strategies. This gives us an intuitive… CONTINUE READING

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Game-based verification of multi-party contract signing protocols – Mocha models and ATL properties (2009) Available at

  • Y. Zhang, C. Zhang, J. Pang, S. Mauw
  • 2009
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