Security analysis on a blind signature scheme based on Elgamal signature equation

被引：0

作者：

Yu Eaozheng ^{[1
]}

Xu Congwei ^{[1
]}

机构：

[1] Hefei Univ Technol, Sch Management, Hefei 230009, Anhui, Peoples R China

来源：

CIS WORKSHOPS 2007: INTERNATIONAL CONFERENCE ON COMPUTATIONAL INTELLIGENCE AND SECURITY WORKSHOPS | 2007年

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Universal forgery attacks and selected forgery attacks on both weak and strong blind signature schemes based on Elgamal signature equation proposed by Wang et al. are developed. Without using any secret key, anyone can forge a valid signature through selecting some random parameters. The possibility of forging the blind schemes is analyzed and moreover an improved weak blind signature scheme and an improved strong blind signature scheme are designed. Also, the securities of the improved blind signatures are analyzed.

引用

页码：741 / 744

页数：4

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