Identity authentication and key exchange technology is the important means to ensure wireless communication security.
身份认证和密钥交换技术是保证无线通信安全的重要手段。
Entity authentication and key exchange which both sides of communication must finish be-fore transmission is the foremost of security problem in the Internet.
由于网络中存在安全问题，通信双方必须在通信前进行身份鉴别和密钥交换。
Public key infrastructures (PKI) achieve authentication and key exchange by utilizing public key cryptography; however, the system's centralized models tend to be the bottleneck in the network.
公钥基础设施(PKI)通过公钥算法来实现身份认证和密钥交换，但由于其采用集中管理的模式，容易成为网络访问的瓶颈。
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