Double verifiably encrypted signature-based contract signing protocol

Authors:
Chaoping Wang;Aimin Yang;Yan Sun
Affiliations:
School of Mathematics Physics and Information Science, Zhejiang Ocean University, Zhoushan, China;College of Science, Hebei Ploytechnic University, Tangshan, China;Operations Research Center, Shijiazhuang Army Command Academy, Shijiazhuang, China
Venue:
ICICA'10 Proceedings of the First international conference on Information computing and applications
Year:
2010

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Abstract

Wang et al. proposed a double verifiably encrypted signature (DVES) scheme which can be used to design the contract signing protocol systems. In this paper, we propose an efficient contract signing protocol based on the DVES scheme. A semi-trusted third party is involved in our protocol to ensure firness. Moreover, the new contract signing protocol satisfies the desirable properties: unforgeability, opacity, extractability, timeliness, effectiveness and fairness.