首页 | 官方网站   微博 | 高级检索  
     

Improvement of Laih and Yen's multisignature scheme
作者姓名:Xie Q  Yu XY
作者单位:[1]DepartmentofMathematics,ZhejiangUniversity,Hangzhou310027,China [2]HangzhouTeachersCollege,Hangzhou310012,China
摘    要:A new attack is proposed to show that a specified group of verifiers can cooperate to forge the signature for any message by secret key substitution due to the leaked secret key or by the group public key adjustment because of the renewed members. This paper presents the improvement scheme which overcomes the security weakness of Laih and Yen‘s scheme.

关 键 词:数字图像  微缩图  密码学  数据安全  公钥

Improvement of Laih and Yen's multisignature scheme
Xie Q,Yu XY.Improvement of Laih and Yen's multisignature scheme[J].Journal of Zhejiang University Science,2004,5(9):1155-1159.
Authors:Xie Qi  Yu Xiu-yuan
Affiliation:Department of Mathematics, Zhejiang University, Hangzhou 310027, China. qixie@hztc.edu.cn
Abstract:A new attack is proposed to show that a specified group of verifiers can cooperate to forge the signature for any message by secret key substitution due to the leaked secret key or by the group public key adjustment because of the renewed members. This paper presents the improvement scheme which overcomes the security weakness of Laih and Yen's scheme.
Keywords:
本文献已被 维普 PubMed 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司    京ICP备09084417号-23

京公网安备 11010802026262号