Certificateless proxy signature scheme based on discrete logarithm problem

被引：0

作者：

Xu, Chun-Gen ^{[1
]}

Zhang, Ao-Hong ^{[1
]}

Han, Mu ^{[2
]}

Dou, Ben-Nian ^{[1
]}

机构：

[1] School of Sciences, NUST, Nanjing 210094, China

[2] School of Computer Science and Technology, NUST, Nanjing 210094, China

来源：

Nanjing Li Gong Daxue Xuebao/Journal of Nanjing University of Science and Technology | 2010年 / 34卷 / 06期

关键词：

Electronic document identification systems - Problem solving - Public key cryptography;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

To solve the problems of certificate management or key escrow in proxy signature schemes, a new certificateless proxy signature scheme(CLPS) is presented. This scheme solves the key escrow problem by binding two partially private keys with a same identity and also satisfies all the required characteristics of the proxy signature. Its security is based on the discrete logarithm problem(DLP). It has existential unforgeability, effectively resisting the attack of Type-I adversary and Type-II adversary. Compared with the existed CLPS, the CLPS presented here doesn't use the bilinear pairing and its proxy keys use the Schnorr short signature, and its efficiency and security is improved.

引用

页码：733 / 737

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