Asus Z97-C - Page 106

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Chapter 3: BIOS setup
Chapter 3
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 le 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 KEK
This item allows you to delete the KEK from your system.
Conguration options: [Yes] [No]
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 KEK from a USB storage device.
The KEK le 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.
Delete the db
This item allows you to delete the db le from your system.
Conguration options: [Yes] [No]
Load Default db
Select Yes to load the system default db or select No to load a
downloaded db from a USB storage device..
Append Default db
Select Yes to append the system default db or select No to append a
downloaded db from a USB storage device.
The db le must be formatted as a UEFI variable structure with time-based authenticated
variable.