SCDMA无线数字集群系统安全与信息保护

System Security and Information Protection of the SCDMA Digital Trunked Radio

SCDMA无线数字集群通信系统(Sditra)安全机制遵循TE-TRA安全标准,提供完全的终端设备与网络之间的互鉴权和信令、话音与数据的加密传输等安全机制。首先详述了Sditra的安全机制,主要涉及设备身份鉴权和信息保密,然后对Sditra密码算法的用途和使用进行了说明。

This essay addresses the se-curity mechanism in the SCDMA digi-tal trunked radio(Sditra)system,mainly dealing with mobile terminal authenti-cation and confidentiality of informa-tion.The security mechanisms of Sditra are compliant with TETRA security standard,offering comprehensive secu-rity measures including mutual authen-tication between a terminal and the net-work,encrypted transmission of signal-ing,voice and data,etc.SCDMA