Cryptanalysis and improvement of a certificateless signature scheme in the standard model

被引：0

作者：

Hu, Guo-Zheng ^{[1
]}

Han, Lan-Sheng ^{[2
]}

Wang, Zhan-Qing ^{[1
]}

机构：

[1] School of Science, Wuhan University of Technology, Wuhan 430070, China

[2] School of Computer, Huazhong University of Science and Technology, Wuhan 430074, China

来源：

Beijing Gongye Daxue Xuebao/Journal of Beijing University of Technology | 2010年 / 36卷 / SUPPL. 2期

关键词：

Electronic document identification systems - Network security - Public key cryptography;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The first certificateless signature scheme provably secure in the standard model and an improved scheme were analyzed. A new malicious KGC attack called universal malicious KGC attack was given. In this attack, malicious KGC could generate the trapdoor system parameters of the schemes in set-up phase and forge signatures of any user for any message in the signing phase. An improved scheme was presented to defense this attack.

引用

页码：54 / 58

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