卫星互联网安全:需求、现状与趋势  

Satellite Internet security:requirement,current status and trends

作　　者：张元玉[1] 赵双睿 何吉 张志为[1] 沈玉龙[1] ZHANG Yuanyu;ZHAO Shuangrui;HE Ji;ZHANG Zhiwei;SHEN Yulong(School of Computer Science and Technology,Xidian University,Xi’an 710126,China)

机构地区：[1]西安电子科技大学计算机科学与技术学院,西安710126

出　　处：《网络空间安全科学学报》2024年第4期2-17,共16页Journal of Cybersecurity

基　　金：国家自然科学基金(62202354,62202355,62220106004,61972308);陕西省秦创原引用高层次创新创业人才项目(QCYR-CXM-2022-144);陕西省重点研发计划项目(2024GX-YBXM-073);中国博士后基金面上资助(2022M720506)。

摘　　要：卫星互联网是下一代通信网络的核心,呈现网络边界模糊、接入全球开放、敌我空间交叠的新特性,其安全问题必将成为网络设计和建设关注的焦点。首先分析了卫星互联网节点、链路、路由等组网传输方面面临的主要安全威胁,尤其强调了新型的卫星伪装攻击。其次,介绍了当前国内外在卫星互联网节点接入认证、链路保密传输、网络安全路由方面相关的安全技术发展现状。最后,对卫星互联网安全技术发展趋势作了预测,强调了其内生化、智能化、体系化的发展趋势,同时建议应当着力研究卫星互联网一体化安全防护体系、卫星射频指纹认证、星地跨层保密传输、位置保护的星地无线通信、基于内生安全的确定性任务安全执行等关键技术。Satellite Internet serves as the core of next-generation communication networks,and exhibits several distinctive fea-tures,such as blurred internal and external boundaries,globally open networks,and overlapping hostile and friendly spaces.These fea-tures inevitably make security issues a focal point in the design and construction of such networks.Firstly,the primary security threats faced by Satellite Internet were analyzed,particularly in terms of network transmission involving nodes,links,and routing,with a spe-cial emphasis on novel satellite spoofing attacks.Subsequently,the current states of security technology development were reviewed in the areas of node access authentication,link secure transmission,and network security routing.Finally,the development trends of Satel-lite Internet security technology were predicted,highlighting the importance of endogenous,systematic,and intelligent Satellite Internet techniques.Furthermore,several key future research directions in Satellite Internet security were suggested,including integrated security protection systems for Satellite Internet,satellite radio frequency fingerprint authentication,cross-layer secure transmission between satellite and ground,location protection for satellite-ground wireless communication,and deterministic mission security execution based on intrinsic security.

关 键 词：卫星互联网 安全组网传输 接入认证 保密传输 安全路由 内生安全 射频认证 

分 类 号：TN915.08[电子电信—通信与信息系统]