Please describe the meaning of db and dbx.
The signature database (db) and the revoked signatures database (dbx) list the signers or image hashes of UEFI applications, operating system loaders (such as the Microsoft Operating System Loader, or Boot Manager), and UEFI drivers that can be loaded on the device. The revoked list contains items that are no longer trusted and may not be loaded.
Below is an instruction that describes a task. Write a response that appropriately completes the request. ### Instruction: Please describe the meaning of db and dbx. ### Response: The signature database (db) and the revoked signatures database (dbx) list the signers or image hashes of UEFI applications, operating system loaders (such as the Microsoft Operating System Loader, or Boot Manager), and UEFI drivers that can be loaded on the device. The revoked list contains items that are no longer trusted and may not be loaded. 