一个高效的基于ID的无证书签名方案的安全性分析及改进 |
| |
引用本文: | 吴晨煌,;梁红梅,;陈智雄,;王海明. 一个高效的基于ID的无证书签名方案的安全性分析及改进[J]. 漳州师院学报, 2009, 0(1): 26-29 |
| |
作者姓名: | 吴晨煌, 梁红梅, 陈智雄, 王海明 |
| |
作者单位: | [1]莆田学院数学与应用数学系,福建莆田351100; [2]漳州师范学院数学与信息科学系,福建漳州363000 |
| |
基金项目: | 福建省自然科学基金(2007F3086,2008F5049);福建省教育厅B类项目(2006Q005) |
| |
摘 要: | 本文通过对刘景伟等人提出的高效的基于ID的无证书签名方案的安全性进行分析,指出了该签名方案是不安全的.该方案能受到替换公钥攻击,以至于任何人都能对任何消息成功伪造签名.最后,本文对该签名方案进行了改进,改进后方案的安全性是基于CDH问题的.
|
关 键 词: | 无证书 数字签名 替换公钥攻击 双线性对 |
Cryptanalysis and Improvement of an Efficient ID-based Certificateless Signature Scheme |
| |
Affiliation: | WU Chen-huang, LIANG Hong-mei, CHEN Zhi-xiong, WANG Hai-ming (1. Departmcnt of Mathematics Putian University, Putian, Fujian 351100 China ; 2. Department of Mathematics and Information Science, Zhangzhou Normal Univcrsity, Zhangzhou, Fujian 36300, China ) |
| |
Abstract: | In this paper, we analyze the efficient ID-based certificateless signature scheme proposed by Lio ,ling-wei etc., and point out that their scheme is insecure. The certificateless signature scheme can suffer from public key replacement attack so that any one can forge a valid signature on any message. Finally, an improved scheme is proposed, whose security is based on the CDH problem. |
| |
Keywords: | certificateless digital signature e public key replacement attack bilinear pairings |
本文献已被 维普 等数据库收录! |
|