Asus STRIX Z270H GAMING Bios Manual page 57

Save to file
This item allows you to save the PK to a USB storage device.
Set New key
This item allows you to load the downloaded PK from a USB storage
device.
Delete key
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]
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
Save to file
This item allows you to save the KEK to a USB storage device.
Set New key
This item allows you to load the downloaded KEK from a USB storage
device.
Append Key
This item allows you to load the additional KEK from a storage device for
an additional db and dbx loaded management.
Delete key
This item allows you to delete the KEK from your system.
Configuration options: [Yes] [No]
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.
Save to file
This item allows you to save the db to a USB storage device.
Set New key
This item allows you to load the downloaded db from a USB storage
device.
Append Key
This item allows you to load the additional db from a storage device for an
additional db and dbx loaded management.
ROG STRIX Z270H GAMING BIOS Manual
Secure Boot Key-Enrollment Key (KEK).
®
57