3 Chapter

Load Default PK

This item allows you to load the downloaded PK 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 KEK

This item allows you to delete the KEK from your system.

Configuration options: [Yes] [No]

Load Default KEK

This item allows you to load the downloaded KEK from a USB storage device.

Append Default KEK

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

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

This item allows you to delete the db file from your system.

Configuration options: [Yes] [No]

Load Default db

This item allows you to load the downloaded db from a USB storage device.

Append Default db

This item allows you to load the additional db from a storage device so that more images can be loaded securely.

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

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Chapter 3: BIOS setup