Asus X99-M WS, Manual

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ASUS X99-M WS
3-55
Chapter 3
PK Management
The Platform Key (PK) locks and secures the firmware from any permissible changes.
The system verifies the PK before your system enters the OS.
Delete PK
This item 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]
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 the 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.