然后，服务器使用它的机密密钥和客户端公钥，通过执行与客户端相同的过程，生成一个通用密钥。

Then the server generates a common key using its secret key and client public key by following the same procedure as was followed by the client.

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用于数据加密的密钥是使用带有与服务提供者（Service Provider）的 X.509 证书相关联的公钥的非对称算法进行加密的。

The key used for the data encryption is encrypted itself using an asymmetric algorithm with the public key associated with the Service Provider's X.509 certificate.

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