A novel pairing-free certificateless authenticated key agreement protocol with provable security

被引：23

作者：

Sun, Haiyan ^{[1
]}

Wen, Qiaoyan ^{[1
]}

Zhang, Hua ^{[1
]}

Jin, Zhengping ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China

来源：

FRONTIERS OF COMPUTER SCIENCE | 2013年 / 7卷 / 04期

基金：

中国国家自然科学基金;

关键词：

attacks; pairings; eCK model; provable security; certificateless authenticated key agreement;

D O I：

10.1007/s11704-013-2305-1

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Recently, He et al. (Computers and Mathematics with Applications, 2012) proposed an efficient pairing-free certificateless authenticated key agreement (CL-AKA) protocol and claimed their protocol was provably secure in the extended Canetti-Krawczyk (eCK) model. By giving concrete attacks, we indicate that their protocol is not secure in the eCK model. We propose an improved protocol and show our improvement is secure in the eCK model under the gap Diffie-Hellman (GDH) assumption. Furthermore, the proposed protocol is very efficient.

引用

页码：544 / 557

页数：14

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