A Framework for Analyzing Probabilistic Protocols and its Application to the Partial Secrets Exchange

Konstantinos Chatzikokolakis 1 Catuscia Palamidessi 1
1 COMETE - Concurrency, Mobility and Transactions
Inria Saclay - Ile de France, LIX - Laboratoire d'informatique de l'École polytechnique [Palaiseau]
Abstract : We propose a probabilistic variant of the pi-calculus as a framework to specify randomized security protocols and their intended properties. In order to express and verify the correctness of the protocols, we develop a probabilistic version of the testing semantics. We then illustrate these concepts on an extended example: the Partial Secret Exchange, a protocol which uses a randomized primitive, the Oblivious Transfer, to achieve fairness of information exchange between two parties.
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Submitted on : Friday, December 21, 2007 - 11:11:40 PM
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Konstantinos Chatzikokolakis, Catuscia Palamidessi. A Framework for Analyzing Probabilistic Protocols and its Application to the Partial Secrets Exchange. Theoretical Computer Science, Elsevier, 2007, 389 (3), pp.512-527. ⟨10.1016/j.tcs.2007.09.006⟩. ⟨inria-00200913⟩

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