Secure Boot; Key Management - Asus Z170-P D3 User Manual

2.8.8

Secure Boot

Allows you to configure the Windows
the system from unauthorized access and malwares during POST.
OS Type [Windows UEFI mode]
Allows you to select your installed operating system.
[Windows UEFI mode]
[Other OS]

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
ASUS Z170-P D3
Secure Boot settings and manage its keys to protect
®
T his item allows you to select your installed operating system.
Execute the Microsoft
option when booting on Windows
Secure Boot compliant OS.
G et the optimized function when booting on Windows
mode. Microsoft Secure Boot only supports Windows
®
mode.
Secure Boot check. Only select this
®
UEFI mode or other Microsoft
®
Secure Boot Key-Enrollment Key (KEK).
®
®
non-UEFI
®
UEFI
®
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