用户身份保密 meaning in English

su criber identity confidentiality
subscriber identity confidentiality

Subscriber identity confidentiality
用户身份保密
Third , this paper introduce the security structure , security system and algorithm of the 3g system , discussing the security measure of 3g system in the aspect of wireless interface in detail , which including user identity confide ntiality , authentication integrality data , etc . finally , the author stress analyzing the 3g authentication , key agreement protocol and its security , finding the security hole and putting forward new authentication and key agreement protocol based on ecc
介绍了第三代移动通信系统安全结构、安全体制和算法，详细论述了3g系统在无线接口方面的各种安全措施包括用户身份保密、认证与数据完整性等内容。重点分析了3g认证与密钥分配协议及其安全性，找出了其中的安全漏洞，提出了新的基于椭圆曲线密码体制的认证与密钥分配协议。