A fair and abuse-free contract signing protocol from Boneh-Boyen signature

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/15610

dc.contributor	Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada IV
dc.contributor	Universitat Politècnica de Catalunya. MAK - Matemàtica Aplicada a la Criptografia
dc.contributor.author	Heidarvand, Somayed
dc.contributor.author	Villar Santos, Jorge Luis
dc.date	2010
dc.identifier.citation	Heidarvand, S.; Villar, J. A fair and abuse-free contract signing protocol from Boneh-Boyen signature. A: Public Key Infrastructures, Services and Applications. "Public Key Infrastructures, Services and Applications : 7th European Workshop, EuroPKI 2010 Athens, Greece, September 23-24, 2010 Revised Selected Papers". Atenes: Springer Verlag, 2010, p. 125-140.
dc.identifier.citation	10.1007/978-3-642-22633-5_9
dc.identifier.uri	http://hdl.handle.net/2117/15610
dc.language.iso	eng
dc.publisher	Springer Verlag
dc.relation	http://www.springerlink.com/content/b493k75624t344pm/
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Boneh-Boyen signature
dc.subject	Optimistic fair exchange
dc.subject	Comerç electrònic -- Aspectes legals
dc.title	A fair and abuse-free contract signing protocol from Boneh-Boyen signature
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	A fair contract signing protocol is used to enable two mistrusted parties to exchange two signatures on a given contract, in such a way that either both of them get the other party’s signature, or none of them gets anything. A new signature scheme is presented, which is a variant of Boneh and Boyen’s scheme, and building on it, we propose a new signature fair exchange protocol for which all the properties of being optimistic, setup-free and abuse-free can be proved without random oracles, and it is more efficient than the known schemes with comparable properties.
dc.description.abstract	Peer Reviewed

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