Cryptanalysis of Two Ring Signcryption Schemes

被引：0

作者：

Wang, Huaqun ^{[1
]}

Yu, Hong ^{[1
]}

机构：

[1] Dalian Fisheries Univ, Sch Informat Engn, Dalian, Peoples R China

来源：

INFORMATION SECURITY AND CRYPTOLOGY | 2009年 / 5487卷

关键词：

Ring signcryption; privacy and trust; cryptanalysis; certificateless cryptography; SIGNATURE;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Ring signcryption scheme is an important cryptographic primitive that can be used to protect privacy and authenticity of a collection of users who are connected through an ad-hoc network, such as Bluetooth. In this paper,we analyze two ring signcryption schemes:Wang-Zhang-Ma's scheme (2007) and Zhu-Zhang-Wang's scheme (2008). We give different attack methods to the above two ring signcryption schemes. There exist Malicious KGC attack and Non-repudiation attack on Wang-Zhang-Ma's scheme (2007). There exist anonymity attack and existential unforgeability attack on Zhu-Zhang-Wang's scheme.

引用

页码：41 / 46

页数：6

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