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.

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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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它规定了RSA密钥交换和认证算法的使用，还规定了RC4_SHA_US密码规范。

This specifies the use of the RSA Key Exchange and authentication algorithm, along with the RC4_SHA_US CipherSpec.

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