Asus H87-PRO H87-PRO User's Manual - Page 99

Delete the KEK, Load KEK from File, KEK Management - driver download

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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 Allows you to delete the KEK from your system. Once the KEK is deleted, the db and dbx cannot be updated under operating system. Configuration options: [Yes] [No] Load KEK from File Allows you to load the downloaded KEK from a USB storage device. [Yes] Load the default KEK. [Enabled] Load from a USB storage device. Append KEK from File Allows you to load the additional KEK from a storage device for an additional db and dbx loaded management. [Yes] Load the default KEK. [Enabled] Load from a USB storage device. 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. Delete the db Allows you to delete the db file from your system. Deleting the db file may cause boot failure. Configuration options: [Yes] [No] Load db from File Allows you to load the downloaded db from a USB storage device. [Yes] Load the default db. [Enabled] Load from a USB storage device. Append db from File Allows you to load the additional db from a storage device so that more custom signed UEFI executable files can be loaded. UEFI executable files include UEFI boot loaders, drivers and applications. [Yes] Load the default db. [Enabled] Load from a USB storage device. The db file must be formatted as a UEFI variable structure with time-based authenticated variable. Chapter 3 3-44 Chapter 3: BIOS setup

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3-44
Chapter 3: BIOS setup
Chapter 3
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
Allows you to delete the KEK from your system. Once the KEK is deleted,
the db and dbx cannot be updated under operating system. Configuration
options: [Yes] [No]
Load KEK from File
Allows you to load the downloaded KEK from a USB storage device.
[Yes]
Load the default KEK.
[Enabled]
Load from a USB storage device.
Append KEK from File
Allows you to load the additional KEK from a storage device for an
additional db and dbx loaded management.
[Yes]
Load the default KEK.
[Enabled]
Load from a USB storage device.
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.
Delete the db
Allows you to delete the db file from your system. Deleting the db file may
cause boot failure. Configuration options: [Yes] [No]
Load db from File
Allows you to load the downloaded db from a USB storage device.
[Yes]
Load the default db.
[Enabled]
Load from a USB storage device.
Append db from File
Allows you to load the additional db from a storage device so that more
custom signed UEFI executable files can be loaded. UEFI executable files
include UEFI boot loaders, drivers and applications.
[Yes]
Load the default db.
[Enabled]
Load from a USB storage device.
The db file must be formatted as a UEFI variable structure with time-based authenticated
variable.