Key Management - Asus H170I-PLUS D3 User Manual

Key Management

This allows you to manage the Secure Boot keys.
Install Default Secure Boot keys
This item allows you to immediately load the default Security Boot keys, Platform key
(PK), Key‑exchange Key (KEK), Signature database (db), and Revoked Signatures
(dbx). When the default Secure boot keys are loaded, all the Secure Boot keys' state
will change from Unloaded mode to loaded mode.
Clear Secure Boot keys
This item appears only when you load the default Secure Boot keys. This item allows
you to clear all the previously applied Secure Boot keys.
Save Secure Boot Keys
This item allows you to save all the Secure Boot keys to a USB storage device.
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.
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.
Load Default PK
Select Yes to load the system default PK or select No to load a 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
Delete KEK
Allows you to delete the KEK from your system. Once the KEK is deleted, the db
and the dbx cannot be updated in the operating system.
Load Default KEK
Select Yes to load the system default KEK or select No to load a downloaded KEK
from a USB storage device.
Append Default KEK
Select Yes to append the system default KEK or select No to append a downloaded
additional KEK from a USB storage device for the db and dbx management.
The KEK file must be formatted as a UEFI variable structure with time‑based authenticated
variable.
ASUS H170I-PLUS D3
Secure Boot Key‑Enrollment Key (KEK).
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