Improvement on Huang et al.s Novel Efficient Threshold Proxy Signature Scheme

摘要：

In 2006, Hui-Feng Huang and Chin-Chen Chang proposed a novel efficient threshold proxy signature scheme based on Schnorrs scheme. In their scheme, the original signer could know who generated the threshold proxy signature and the receiver could certify the actuality of the proxy group signers who made the proxy signature. However, their scheme had some security weaknesses. In this paper, by identifying some concrete instances and analyzes, we demonstrate that their scheme is vulnerable to the forgery attack and the public-key substitute attack. That is, Huang et al.s scheme could not achieve their claimed security requirement. Finally, we propose our improvement to eliminate the weaknesses and give its security analysis.

关键词： proxy signature threshold proxy signature forgery attack public-key substitute attack

作者: Jiang-hong Hu Mei-juan Huang Jian-zhong Zhang

作者单位: Department of Mathematics, Baoji University of Arts and Sciences, Baoji, Shaanxi, china College of Mathematics and Information Science, Shaanxi Normal University, Xian, Shaanxi, china

会议类型: 国际会议

会议名称: 2009 International Workshop on Information Security and Application(2009 信息安全与应用国际研讨会)

会议地点: 青岛

会议语种:英文

页码: 116-119

在线出版日期: 2009-11-21（万方平台首次上网日期，不代表论文的发表时间）