Asus A55BM-PLUS A55BM-PLUS User's Manual - Page 64

Secure Boot Mode [Standard], Key Management, Windows UEFI, Clear Secure Boot keys

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Secure Boot Mode [Standard] This item appears only when you set the OS Type to [Windows UEFI]. Configuration option: [Standard] [Custom] The following item appears when OS Type is set to [Windows UEFI mode]. Key Management This item appears only when you set Secure Boot Mode to [Custom]. It allows you to manage the Secure Boot keys. Clear Secure Boot keys This item appears only when you load the default Secure Boot keys. This item allows you to clear all default Secure Boot keys. Save Secure Boot keys This item appears only when you load the default Secure Boot keys. This item allows you to save all default Secure Boot keys. 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. Configuration options: [Yes] [No] Load PK from File Allows you to load the 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® Secure Boot Key-Enrollment Key (KEK). Delete the KEK Allows you to delete the KEK from your system. Configuration options: [Yes] [No] Load KEK from File Allows you to load the downloaded KEK from a USB storage device. 2-32 Chapter 2: BIOS information

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Chapter 2: BIOS information
Secure Boot Mode [Standard]
This item appears only when you set the OS Type to [
Windows UEFI
]. Configuration option:
[Standard] [Custom]
The following item appears when
OS Type
is set to [
Windows UEFI mode
].
Key Management
This item appears only when you set Secure Boot Mode to [Custom]. It allows you to manage
the Secure Boot keys.
Clear Secure Boot keys
This item appears only when you load the default Secure Boot keys. This item allows
you to clear all default Secure Boot keys.
Save Secure Boot keys
This item appears only when you load the default Secure Boot keys. This item allows
you to save all default Secure Boot keys.
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. Configuration options: [Yes] [No]
Load PK from File
Allows you to load the 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
®
Secure Boot Key-Enrollment Key (KEK).
Delete the KEK
Allows you to delete the KEK from your system. Configuration options: [Yes] [No]
Load KEK from File
Allows you to load the downloaded KEK from a USB storage device.