Asus B75M-PLUS - Manual (Page 61)

ASUS B75M-PLUS 2-31
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).
Load KEK from File
Allows you to load the downloaded KEK from a USB storage device.
Copy KEK to File
Allows you to store the KEK to a USB storage device.
Delete the KEK
Allows you to delete the KEK from your system. Configuration options:
[Yes] [No]
Append KEK from file
Allows you to load the additional KEK from a storage device for an
additional db and dbx loaded management.
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.
Load DB from File
Allows you to load the downloaded DB from a USB storage device.
Copy DB to file
Allows you to store the db to a USB storage device.
Delete the DB
Allows you to delete the db file from your system. Configuration options:
[Yes] [No]
Append DB from file
Allows you to load the additional DB from a storage device so that more
images can be loaded securely.
The DB file must be formatted as a UEFI variable structure with time-based authenticated
variable.