Efficient Identity Based Signcryption Scheme with Public Verifiability and Forward Security

被引：2

作者：

LEI Feiyu CHEN Wen CHEN Kefei MA ChangsheDepartment of Computer Science and Engineering Shanghai Jiaotong University Shanghai China ^{[200030
]}

机构：

来源：

WuhanUniversityJournalofNaturalSciences | 2005年 / 01期

关键词：

signcryption; identity based; public verifiability; forward security;

D O I：

暂无

中图分类号：

TP309 [安全保密];

学科分类号：

081201 ; 0839 ; 1402 ;

摘要：

In this paper, we point out that Libert and Quisquater’s signcryption scheme cannot provide public verifiability. Then we present a new identity based signcryption scheme using quadratic residue and pairings over elliptic curves. It combines the functionalities of both public verifiability and forward security at the same time. Under the Bilinear Diffie-Hellman and quadratic residue assumption, we describe the new scheme that is more secure and can be some-what more efficient than Libert and Quisquater’s one.

引用

页码：248 / 250

页数：3

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