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

Clear Secure Boot keys

This item appears only when you load the default Secure Boot keys. This item allows you to clear all default Secure Boot keys.

PK Management

The Platform Key (PK) locks and secures the firmware from any non-permissible changes. The system verifies the PK before your system enters the OS.

Load PK from File

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

Copy PK to File

Allows you to store the PK to a USB storage device.

Delete PK

Allows you to delete the PK from your system. Once the PK is deleted, all the system’s Secure Boot keys will not be active. Configuration options: [Yes] [No]

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).

Load KEK from File

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

Copy KEK to File

Allows you to store the KEK to a USB storage device.

Delete the KEK

Allows you to delete the KEK from your system. Configuration options: [Yes] [No]

Append KEK from file

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.

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Chapter 2: BIOS information