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Formal methods are proved to be effective in analyzing security protocols. GSPM is a general model for formal analysis of security protocols by using process algebra and knowledge inference. In order to implement the automatic tool for verification, in this paper we introduce symbolic techniques into GSPM framework. Symbolic techniques can eliminate infinite branches caused by input actions. The analysis...
Fair exchange turns out to be an increasingly important topic due to the rapid growth of electronic commerce in daily life. In this paper, a novel model based on game theory is proposed in order to analyze fair exchange protocols. The formal description of fair exchange protocols is given, and two important properties --- non-repudiation and fairness --- are defined in this model. As an illustrating...
As zero-knowledge proof plays a more and more important role in modern cryptography, the need for formal analysis becomes more urgent. In this paper, we make use of formal methods to establish a zero-knowledge result. The formal model is probabilistic applied pi and the zero-knowledge proof is Hamiltonian cycle. By this example, our preliminary work shows how zero-knowledge can be modeled in formal...
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