To request authentication, the sending application must set the authentication level of the message to be authenticated and attach a security certificate to the message.

若要请求身份验证，发送应用程序必须设置要进行身份验证的消息的身份验证级别，并且将安全证书附加到消息。

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To request authentication, the sending application must set the authentication level of the message to be authenticated and attach a security certificate to the message.

若要请求身份验证，发送应用程序必须设置要进行身份验证的消息的身份验证级别，并且将安全证书附加到消息。

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