Anti-Spoofing:Integrated Information Authentication of BeiDou-ⅡCivil Navigation Message  

作　　者：Wu Zhijun Liang Cheng Zhang Yun Liu Rusen Yue Meng 

机构地区：[1]School of Safety Science and Engineering,Civil Aviation University of China,Tianjin 300300,China [2]School of Electronic Information and Automation,Civil Aviation University of China,Tianjin 300300,China [3]Dalian Air Traffic Management Station of Civil Aviation of China,Dalian 116000,China

出　　处：《China Communications》2024年第9期242-261,共20页中国通信（英文版）

基　　金：supported in part by the National Key R&D Program of China(No.2022YFB3904503);National Natural Science Foundation of China(No.62172418)。

摘　　要：The BeiDou-Ⅱcivil navigation message(BDⅡ-CNAV)is transmitted in an open environment and no information integrity protection measures are provided.Hence,the BDⅡ-CNAV faces the threat of spoofing attacks,which can lead to wrong location reports and time indication.In order to deal with this threat,we proposed a scheme of anti-spoofing for BDⅡ-CNAV based on integrated information authentication.This scheme generates two type authentication information,one is authentication code information(ACI),which is applied to confirm the authenticity and reliability of satellite time information,and the other is signature information,which is used to authenticate the integrity of satellite location information and other information.Both authentication information is designed to embed into the reserved bits in BDⅡ-CNAV without changing the frame structure.In order to avoid authentication failure caused by public key error or key error,the key or public key prompt information(KPKPI)are designed to remind the receiver to update both keys in time.Experimental results indicate that the scheme can successfully detect spoofing attacks,and the authentication delay is less than 1%of the transmission delay,which meets the requirements of BDⅡ-CNAV information authentication.

关 键 词：anti-spoofing AUTHENTICATION BeiDou-II civil navigation message(BDII-CNAV) SIGNATURE spoofing attack 

分 类 号：TN967.1[电子电信—信号与信息处理]