The technology of public key is applied in this system, protocol interfaces of the system which can solve the identity authentication in network effectively are implemented.

该系统使用公钥密码技术，设计和实现了一套身份认证协议和相关应用接口，可以更加安全和有效地解决网上应用中面临的网络身份认证问题。

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These contracts include the provided and required interfaces, the roles those interfaces play in the service specification, and the rules or protocol for how those roles interact.

这些约定包括所提供的和所需要的接口，在服务规范中那些接口所扮演的角色，以及那些角色如何交互的规则或协议。

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These contracts include the provided and required interfaces, the roles that those interfaces play in the service specification, and the rules or protocol for how those roles interact.

这些协议包括了提供的和需要的接口，这些接口在服务规范中所扮演的角色，以及这些角色之间如何交流的规则或者协议。

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