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门限式密钥共享认证已成为目前MANET的分布式认证技术的热点所在。深入分析了当前主流的几种门限式密钥共享认证方案,通过分析比较各自的优劣特性,得出了一种全新的认证体系。新的方案不仅弥补了原有方案的不完全分布式特性,更通过周期性密钥更新进一步提高了系统安全性。仿真结果表明,该方案具有高效率的性能和较高的安全级别,并具有良好的可扩展性。
Threshold shared key authentication has become the hot spot of MANET’s distributed authentication technology. In-depth analysis of the current mainstream several kinds of threshold-based key sharing authentication scheme, by analyzing the advantages and disadvantages of their respective characteristics, come to a new certification system. The new scheme not only makes up for the incomplete distribution of the original scheme, but also improves the security of the system through periodic key updating. Simulation results show that the scheme has high efficiency and high security level, and has good scalability.