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Space Time Protocol Based on IEEE1588

机译：基于IEEE1588的时空协议

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With the increase in the number of satellites, the security time synchronization protocol between satellites and servers on the ground increasingly important. But, the time protocol that existing in space lack of security protections. Also, SEIEEE1588's author has gathered the advantage of both NTP and IEEE1588 protocol raise a security enhanced IEEE1588 protocol for deep-space environment (SEIEEE1588). The protocol just using symmetric encryption algorithm, does not consider the strong identity authentication, reasonable key update and other security measures. This paper on the basis of IEEE1588 and SEIEEE1588, research the time synchronization mechanism of IEEE1588, the security measures of SEIEEE1588 and safe data transmission protocols. At last, redesign the time synchronization protocol that contains identity authentication that use digital certificate to verify the identity of both sides, asymmetric encryption algorithm and reasonable key updates, to suitable the deep-space that is poor link quality, limited node computing power.
机译：随着卫星数量的增加，卫星与地面服务器之间的安全时间同步协议变得越来越重要。但是，空间中存在的时间协议缺乏安全保护。同样，SEIEEE1588的作者已经收集了NTP和IEEE1588协议的优点，从而为深空环境（SEIEEE1588）提出了安全性得到增强的IEEE1588协议。该协议仅使用对称加密算法，不考虑强大的身份认证，合理的密钥更新和其他安全措施。本文在IEEE1588和SEIEEE1588的基础上，研究了IEEE1588的时间同步机制，SEIEEE1588的安全措施和安全数据传输协议。最后，重新设计了包含身份认证的时间同步协议，该协议使用数字证书来验证双方的身份，不对称加密算法和合理的密钥更新，以适应链路质量差，节点计算能力有限的深层空间。

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