几种无证书数字签名方案的安全性分析及改进
王化群,徐名海,郭显久
Cryptanalysis and improvement of several certificateless digital signature schemes
Hua-qun WANG,Ming-hai XU,Xian-jiu GUO
通信学报 . 2008, (5): 88 -92 .  DOI: 1000-436X(2008)05-0088-05