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.

• 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。