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LTE-A网络现已成为移动应用的主要传输管道,但LTE-A标准中的切换过程仍存在一定的复杂性和安全缺陷.为了解决LTE-A标准和传统切换认证的缺陷,本文设计了一种基于身份的切换认证方案.在用户注册阶段,通过基于身份的加密体制来保障用户身份信息不被泄漏;在切换认证阶段,采用新的基于身份的密钥协商协议,相比传统基于身份的密钥协商协议,该协议无需双线性对运算,大大减小了计算开销和通信开销,本文在该协议的基础上加以改进,使得更加适用于LTE-A网络.相比其它方案,本方案不仅具有更好的性能,而且满足前向保密性及防重放攻击等安全性.本文运用着色Petri网进行建模和仿真分析,仿真结果表明,本协议是有效的,且具有更高的安全性.
LTE-A network has now become the main transmission pipeline for mobile applications, but there are still some complexities and security flaws in the handover process in the LTE-A standard.In order to solve the shortcomings of the LTE-A standard and the traditional handover authentication, this paper designs a Based identity-based handover authentication scheme.In the user registration phase, identity-based encryption system is adopted to protect user identity information from being leaked. In the phase of handover authentication, a new identity-based key agreement protocol is adopted compared with the traditional identity-based Key Agreement Protocol, the protocol without bilinear pairing operation, greatly reducing the computational overhead and communication overhead, this paper is based on the agreement to be improved, making it more suitable for LTE-A network.Compared with other programs, the program Which not only has better performance but also meets the requirements of forward secrecy and anti-replay attack security.In this paper, colored Petri nets are used for modeling and simulation analysis.The simulation results show that this protocol is effective and has higher security Sex.