Load PK from File

Allows you to load the downloaded PK from a USB storage device.

[Yes]

Load the default PK.

[Enabled]

Load from a USB storage device.

The PK file must be formatted as a UEFI variable structure with time-based authenticated variable.

KEK Management

The KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (dbx).

Key-exchange Key (KEK) refers to Microsoft® Secure Boot Key-Enrollment Key (KEK).

Delete the KEK

Allows you to delete the KEK from your system. Once the KEK is deleted, the db and dbx cannot be updated under operating system. Configuration options: [Yes] [No]

Load KEK from File

Allows you to load the downloaded KEK from a USB storage device.

[Yes]

Load the default KEK.

[Enabled]

Load from a USB storage device.

Append KEK from File

Allows you to load the additional KEK from a storage device for an additional db and dbx loaded management.

[Yes]

Load the default KEK.

[Enabled]

Load from a USB storage device.

The KEK file must be formatted as a UEFI variable structure with time-based authenticated variable.

db Management

The db (Authorized Signature database) lists the signers or images of UEFI

applications, operating system loaders, and UEFI drivers that you can load on the single computer.

Delete the db

Allows you to delete the db file from your system. Deleting the db file may cause boot failure. Configuration options: [Yes] [No]

Load db from File

Allows you to load the downloaded db from a USB storage device.

[Yes]

Load the default db.

[Enabled]

Load from a USB storage device.

Append db from File

Allows you to load the additional db from a storage device so that more custom signed UEFI executable files can be loaded. UEFI executable files include UEFI boot loaders, drivers and applications.

[Yes]

Load the default db.

[Enabled]

Load from a USB storage device.

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Chapter 2: Getting started