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Efficient Identity Based Signcryption Scheme with Public Verifiability and Forward Security

机译:具有公共可验证性和前向安全性的基于身份的高效签密方案

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摘要

In this paper, we point out that Libert and Quisquater's signeryption scheme cannot provide public verifiability. Then we present a new identity based signci yption scheme using quadratic tesidue and pairings over elliptic curves. It combines the functionalities of both public verif lability and forward security at the same time Under the Bilinear Diffic-Hellman and quadratic residue assumption, we describe the new scheme that is more secure and can be somewhat more efficient than Libert and Quisquater's one.
机译:在本文中,我们指出Libert和Quisquater的签名方案无法提供公共可验证性。然后,我们提出了一种基于二次身份的新方案,该方案使用二次tesidue和椭圆曲线上的配对。它同时结合了公共可验证性和前向安全性的功能。在双线性Diffic-Hellman和二次残差假设下,我们描述的新方案比Libert和Quisquater的方案更安全,效率更高。

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