| 摘要 |
In one method, the embodiments herein providing secure file access when a user opens an application and uses the application to make a request to open a data file on a secure file system. The method checks a trusted application list, by kernel extension, to determine if the application comprises a trusted application. The method also checks the user's permission to access the secure file system. The embodiments herein pass an "extended" permission to any applications that are trusted applications. Therefore, the methods herein control access to the secure file system based not only on the user's permission, but also on the "extended" permission, such that the kernel extension allows access to files. With embodiments herein, the trusted application performs the extended permission management.
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