Verifiable Signcryption Scheme Based on Bilinear Pairs
Changshe Ma
Abstract
Changshe Ma
Abstract
In traditional signcryption scheme,signature can only be verified by the recipient,which implicates that signcryption can not be used to construct fair exchange protocols directly.Aiming at such problem,this paper presents a verifiable signcryption scheme and its security model.Based on bilinear pairs,an efficient verifiable signcryption algorithm is proposed.And the unforgeablity and security of the scheme in the random oracle model is proved.
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In traditional signcryption scheme,signature can only be verified by the recipient,which implicates that signcryption can not be used to construct fair exchange protocols directly.Aiming at such problem,this paper presents a verifiable signcryption scheme and its security model.Based on bilinear pairs,an efficient verifiable signcryption algorithm is proposed.And the unforgeablity and security of the scheme in the random oracle model is proved.
Key concepts: Signcryption, Verifiable secret sharing, Random oracle, Computer science, Scheme (mathematics), Bilinear interpolation, Construct (python library), Signature (topology)