The mode determines the mechanisms by which message transfer security functions (integrity, confidentiality and authentication) are required.

该模式决定讯息传输安全性功能 （完整性、机密性与验证） 需要哪些机制。

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XKMS server adopts synchronous processing mode, using SSL protocol to insure the security of message transmission, employs two-phase request protocol to protect against denial of service attack.

XKMS服务采用同步消息的传输模式，以SSL协议保证消息传递的安全性，以两阶段请求协议来防止拒绝服务攻击。

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