By verifying the signature, inquirers using the registry can also be assured that a signed entity is valid and that the publisher represented by the signature created it.
通过验证签名，使用注册中心的查询程序还可以确信一个经过签名的实体是有效的，并且它是由这个签名所代表的发布者创建的。
Authentication: The act of verifying the identity of an entity(subject).
请问认证和鉴权有什么本质区别?。
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