摘要
针对车载自组织网络的特点,该文利用双线性对提出了一个新的基于身份的签密方案,并在随机预言模型中给出了安全性证明.在假设Bilinear Diffie-Hellman问题是困难的条件下,该方案被证明是安全的.与已有的基于身份的签密方案相比,该方案计算量和传输代价小,适合用于车载网安全通信.
According to the characteristics of vehicular networks,this paper presents a identity-based signcryption scheme us- hag the bilinear pairings and proves its security ha the random oracle model. The proposed scheme is proved to he secure assuming that the Bilinear Diffie-Henman problem is hard. Compared with the existing identity based signcryption schemes, the new scheme has lower computation cost and communication overhead. It is suitable for secure communication of vehicular networks.
出处
《电子学报》
EI
CAS
CSCD
北大核心
2015年第3期512-517,共6页
Acta Electronica Sinica
基金
信息保障技术重点实研室开放基金(No.KJ-13-104)
关键词
车载自组织网络
基于身份的签密
双线性对
可证明安全
vehicular ad hoc networks
identity-based signcryption
bilinear pairing
provable security