身份认证是密钥交换协议的重要组成部分。
Identity authentication is an important component of the key exchange protocol.
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。
Identity authentication and key exchange technology is the important means to ensure wireless communication security.
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。
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.
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