Asus TUF Z270 MARK 1 TUF Z270 MARK 1 BIOS_EMEnglish - Page 62

Install Default Secure Boot keys, Clear Secure Boot keys

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Key Management Install Default Secure Boot keys This item allows you to immediately load the default Security Boot keys, Platform key (PK), Key-exchange Key (KEK), Signature database (db), and Revoked Signatures (dbx). When the default Secure boot keys are loaded, the PK state will change from Unloaded mode to loaded mode. 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 allows you to save the PK (Platform Keys) to a USB storage device. PK Management The Platform Key (PK) locks and secures the firmware from any permissible changes. The system verifies the PK before your system enters the OS. Delete PK 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] Load Default PK This item 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 This item allows you to delete the KEK from your system. Configuration options: [Yes] [No] Load Default KEK This item allows you to load the downloaded KEK from a USB storage device. Append Default KEK This item 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. 62 ASUS TUF Z270 MARK 1 BIOS Manual

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ASUS TUF Z270 MARK 1 BIOS Manual
Key Management
Install Default Secure Boot keys
This item allows you to immediately load the default Security Boot keys, Platform key
(PK), Key-exchange Key (KEK), Signature database (db), and Revoked Signatures
(dbx). When the default Secure boot keys are loaded, the PK state will change from
Unloaded mode to loaded mode.
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 allows you to save the PK (Platform Keys) to a USB storage device.
PK Management
The Platform Key (PK) locks and secures the firmware from any permissible changes.
The system verifies the PK before your system enters the OS.
Delete PK
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]
Load Default PK
This item 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
This item allows you to delete the KEK from your system.
Configuration options: [Yes] [No]
Load Default KEK
This item allows you to load the downloaded KEK from a USB storage
device.
Append Default KEK
This item 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.