The db file must be formatted as a UEFI variable structure with time-based authenticated
variable.
Forbidden Signatures (DBX)
The dbx (Revoked Signature database) lists the forbidden images of db items that are
no longer trusted and cannot be loaded.
The dbx file must be formatted as a UEFI variable structure with time-based authenticated
variable.
Authorized TimeStamps (DBT)
OsRecovery Signatures
5-40
Append
This item allows you to load the additional db from a storage device for an
additional db and dbx loaded management.
Erase
This item allows you to delete the db file from your system.
Configuration options: [Yes] [No]
Save to file
This item allows you to save the dbx to a USB storage device.
Set New
This item allows you to load the downloaded dbx from a USB storage
device.
Append
This item allows you to load the additional dbx from a storage device for an
additional db and dbx loaded management.
Erase
This item allows you to delete the dbx file from your system.
Configuration options: [Yes] [No]
Set New
This item allows you to load the downloaded dbx from a USB storage
device.
Append
This item allows you to load the additional dbx from a storage device for an
additional db and dbx loaded management.
Set New
This item allows you to load the downloaded dbx from a USB storage
device.
Append
This item allows you to load the additional dbx from a storage device for an
additional db and dbx loaded management.
Chapter 5: BIOS Setup