一种改进的高效的代理盲签名方案

摘要/Abstract

摘要： 通过对无证书代理盲签名方案进行分析,发现其执行效率较低。虽然该方案被证明能够抵抗恶意但被动的KGC(Key Generation Center)攻击,但现实生活中并不存在完全可信的KGC。文中基于ECDLP难题和双线性映射,提出了一种改进的无KGC的高效代理盲签名方案,该方案通过减少双线性映射运算的次数来提高执行效率,与刘二根等的方案相比,本文案的执行效率更高,其正确性与安全性得到了论证。

关键词: KGC, 代理盲签名, 数字签名, 效率分析

Abstract: Through the analysis of the certificateless proxy blind signature scheme,we found that the efficiency of the scheme is not high.Besides,although this scheme has been proved to be able to resist malicious but passive attacks of bad KGC,there is no such KGC that can be fully trusted in the real world.Based on ECDLP problem and Bilinear Pairing,this paper presented an improved efficient proxy blind signature scheme without KGC,and demonstrates the correctness and security of the scheme.

Key words: Digital signature, Efficiency analysis, KGC, Proxy blind signature

中图分类号:

TP309

王兴威, 侯书会. 一种改进的高效的代理盲签名方案[J]. 计算机科学, 2019, 46(6A): 358-361. https://doi.org/

WANG Xing-wei, HOU Shu-hui. Improved Efficient Proxy Blind Signature Scheme[J]. Computer Science, 2019, 46(6A): 358-361. https://doi.org/

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