Asus PRIME X370-A User Guide - Page 52

Save to File, Set New Key, Delete Key, Append Key, PK Management

Page 52 highlights

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. Save to File This item allows you to save the downloaded PK to a USB storage device. Set New Key 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. Delete Key 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. 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). Save to File Allows you to save the downloaded KEK to a USB storage device. Set New Key Allows you to load the downloaded KEK from a USB storage device. Append Key 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 public key certificate or UEFI variable structure with time-based authenticated variable. Delete key Allows you to delete the Key from your system. Configuration options: [Yes] [No] 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. Save to File Allows you to save the downloaded db to a USB storage device. Set New Key Allows you to load the downloaded db from a USB storage device. Append Key Allows you to load the additional KEK from a storage device for an additional db and dbx loaded management. The db file must be formatted as a UEFI variable structure with time-based authenticated variable. DBX Management 2-31 ASUS PRIME X370-A

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ASUS PRIME X370-A
2‑31
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.
Save to File
This item allows you to save the downloaded PK to a USB storage device.
Set New Key
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.
Delete Key
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.
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).
Save to File
Allows you to save the downloaded KEK to a USB storage device.
Set New Key
Allows you to load the downloaded KEK from a USB storage device.
Append Key
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 public key certificate or UEFI variable structure with
time‑based authenticated variable.
Delete key
Allows you to delete the Key from your system. Configuration options: [Yes]
[No]
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.
Save to File
Allows you to save the downloaded db to a USB storage device.
Set New Key
Allows you to load the downloaded db from a USB storage device.
Append Key
Allows you to load the additional KEK from a storage device for an
additional db and dbx loaded management.
The db file must be formatted as a UEFI variable structure with time‑based authenticated
variable. DBX Management