Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (26): 113-115.DOI: 10.3778/j.issn.1002-8331.2008.26.034
• 网络、通信、安全 • Previous Articles Next Articles
WU Shui-qing,WANG Guo-cai,YANG Jian
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吴水清,王国才,杨 健
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Abstract: In this paper，a secure threshold group signature scheme is analyzed.The conspiracy attack and the forgery attack on the scheme are proposed to show that it is insecure.Otherwise，the DC in the scheme can easily forge group signature.And the scheme is untraceable.At the end，the improvements of the scheme are discussed.
摘要： 对黄梅娟等提出的“一种安全的门限群签名方案”进行分析，指出了该方案不能抵抗合谋攻击和伪造攻击，从而证明该方案是不安全的。另外指出，该方案的DC易于假冒其他签名者进行攻击，而且不具备可追踪性。最后，对该方案进行了改进以提高方案的安全性。
WU Shui-qing,WANG Guo-cai,YANG Jian. Security analysis and improvement of secure threshold group signature scheme[J]. Computer Engineering and Applications, 2008, 44(26): 113-115.
吴水清,王国才,杨 健. 一种安全的门限群签名方案的分析与改进[J]. 计算机工程与应用, 2008, 44(26): 113-115.
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URL: http://cea.ceaj.org/EN/10.3778/j.issn.1002-8331.2008.26.034
http://cea.ceaj.org/EN/Y2008/V44/I26/113
