An improved nominative proxy signature scheme for mobile communication

被引:0
|
作者
Zhang, JH [1 ]
Wu, QH [1 ]
Wang, JL [1 ]
Wang, YM [1 ]
机构
[1] Xidian Univ, Key Lab, Minist Educ, Xian 710071, Peoples R China
关键词
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Recently, Seung-Hyun et al proposed a nominative Proxy signature scheme for mobile communication. However, we show that the scheme hasn't nonrepudiation, note that a malicious original signer can forge the proxy signer to sign on any message. Finally, we also present a modification of the scheme to repair the security flaw.
引用
收藏
页码:23 / 26
页数:4
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