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随着移动通信的广泛应用,语音通信安全问题日益突出。移动通信网的现有安全机制仅对无线信道进行了加密,未能提供地面核心网络的安全措施。文中针对移动语音通信安全现状,探讨了实现端到端语音保密通信的方法,分析了加密语音在移动网内传输面临的主要问题,研究了加密语音基于移动数据业务信道传输和基于话音业务信道传输的两种实现方案,分析了方案的可行性,指出了下一步的研究方向。
With the wide application of mobile communications, the security of voice communications has become increasingly prominent. The existing security mechanisms of the mobile communication network only encrypt the wireless channel and fail to provide the security measures of the terrestrial core network. In this paper, the method of implementing end-to-end voice secure communication is discussed in this paper. The main problems of encrypted voice transmission in the mobile network are analyzed. The transmission of encrypted voice based on mobile data traffic channel and voice traffic channel The realization of the program, analyzed the feasibility of the program, pointed out the direction of the next step of the study.