Improved certificateless digital signcryption scheme
LI Peng-cheng1,HE Ming-xing1,2,LI Xiao1,2
1.Department of Computer and Mathematics,XiHua University,Chengdu 610039,China 2.Key Laboratory of Information Coding and Transmission,Sichuan Province,Southwest Jiaotong University,Chengdu 610031,China