主应用程序可以存取有关程序码的资讯(辨识项)，例如程序码来源的区域，或应用程序定义域中组件的数位签章。
The host has access to information about the code (evidence), such as the zone in which the code originates, or the digital signatures of the assemblies in the application domain.
这个资讯称为辨识项，由载入器或 信任的主机提供，并且可以包括例如组件的数位签章或它发源的网站等项目。
This information, called evidence, is provided by the loader or a trusted host and can include items such as the digital signature of the assembly or the Web site where it originates.
签章是选择性步骤容易变更之后，就会产生资讯清单的应用程序档案。
Signing is an optional step, which makes it easier to change the application files after the manifests are generated.
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