PKI的核心是确定信息网络空间中各种行为主体的唯一性，真实性和合法性，解决信息网络空间中的信任问题。

The main purpose of PKI is to confirm the exclusive, the reality and the validity of the main body in the information networks and to resolve the trust problems.

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管理权威是管理主体与管理客体之间基于合法性的一种信从关系。

Management authority is the relationship between subject of management and object of management based on conviction and obedience.

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进而指出NGO与媒体进行舆论监督的合法性在于它们作为广泛民意代表的身份，强调舆论监督主体应回归于民众。

Furthermore, since the NGO and media's legitimacy existed in their identity as the public representatives, the author emphasized that the subject of consensus supervision should return to the public.

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