On the quest for impartiality: design and analysis of a fair non-repudiation protocol

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Cederquist, Jan and Corin, Ricardo and Dashti, Muhammad Torabi (2005) On the quest for impartiality: design and analysis of a fair non-repudiation protocol. [Report]

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Abstract:We design and analyze a simple optimistic fair non-repudiation protocol. Our protocol is considerably simpler and more efficient than current proposals, due mainly to the avoidance of using session labels. We model-check both safety and liveness properties. We verify the safety properties using a standard intruder, and the liveness properties using an intruder that respects the resilient communication channels assumption. Finally, to provide further confidence in the protocol we expose several vulnerabilities on weaker versions of our protocol.
Item Type:Report
Copyright:© 2005 CTIT
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/57031
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