CCSDS遥控协议数据认证保护研究  

Research on the Application of Authentication Mechanisms in CCSDS Telecommand Protocol

作　　者：刘德波[1] 王明华[2] 张磊[1] 张权[1] 

机构地区：[1]国防科学技术大学电子科学与工程学院 [2]滨州职业学院,山东滨州256603

出　　处：《现代电子技术》2008年第7期76-79,共4页Modern Electronics Technique

摘　　要：针对CCSDS体制中分包遥控(Telecommand)系统所面临的安全威胁,结合空间通信环境的特点,总结了对遥控协议数据进行认证性保护的技术方法,讨论了认证算法在分包遥控协议中的应用位置。为了避免认证算法与COP-1闭环之间的冲突,提出了在数据链路层COP-1闭环之前进行认证操作的方法。结合国内外相关领域的研究进展,分析了在分包遥控协议中应用SHA-256进行数据认证性保护的必要性与可用性。Risk analysis performed by several space agencies have provided indications of the impact of different threats on several categories of space missions. Various technical methods are summarized in this paper to protect the telecommand information, the localization of authentication layer is analyzed with the authentication mechanisms integrated into CCSDS telecommand protocol. Authentication operations are implemented ahead of COP - 1 operations, the method of which is proposed to avoid the conflict with the COP - 1 loop. With the introduction of the state - of - the - art on authentication mechanisms, the necessity and availability of applying SHA - 256 in CCSDS telecommand protocol is analyzed.

关 键 词：分包遥控 CCSDS 身份认证 SHA-256 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]