A Security Enhanced Train to Ground Wireless Communication Authentication Key Agreement Scheme for LTE-R

被引：0
|
作者：
Wu W. [1 ,2 ]
Zhang W. [1 ,2 ]
Wang X. [1 ]
Wang Y. [1 ]
机构：
[1] School of Information Science and Technology, Southwest Jiaotong University, Chengdu
[2] Key Lab of Information Science and National Computing Grid, Southwest Jiaotong University, Chengdu
来源：
Tiedao Xuebao/Journal of the China Railway Society | 2019年 / 41卷 / 12期
关键词：
ECDH key exchange; Forward security; LTE-R; ProVerif; Train-ground AKA;
D O I：
10.3969/j.issn.1001-8360.2019.12.009
中图分类号：
学科分类号：
摘要：
The security and robustness of LTE-R, as the next generation railway dedicated wireless communication system, is a key factor to guarantee the safe operation of trains. In order to avoid potential security risks in the wireless access procedure of LTE-R, a security enhanced train to ground authentication key agreement protocol based on hybrid cryptosystem was proposed in this paper. Different from the EPS-AKA framework, the access request signals in the proposal were encrypted by the public key of the home subscriber server and the elliptic curve Diffie-Hellman algorithm was used to realize session key exchange, by which the confidentiality of end user's IMSI can be protected and the mutual authentication between train and ground system can be realized. The correctness and security of the protocol was verified by theoratical analysis and ProVerif, and it was proved to be resistant to DoS attack, replay attack, redirection attack, man-in-the-middle attack and have forward security. Detailed analysis and performance comparison show that the proposed protocol with more perfect security attributes delivers certain advantages in computing and communication efficiency. It can meet the security requirements of LTE-R network access and the real-time and high-efficiency requirements of vehicle-ground authentication signaling interaction. © 2019, Department of Journal of the China Railway Society. All right reserved.
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页码：66 / 74
页数：8
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