Asus ROG STRIX Z270H GAMING STRIX Z270H GAMING BIOS ManualEnglish - Page 57
Save to file, Set New key, Delete key, KEK Management, Append Key
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Save to file This item allows you to save the PK to a USB storage device. Set New key This item allows you to load the downloaded PK from a USB storage device. 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. Configuration options: [Yes] [No] 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). Save to file This item allows you to save the KEK to a USB storage device. Set New key This item allows you to load the downloaded KEK from a USB storage device. Append Key This item allows you to load the additional KEK from a storage device for an additional db and dbx loaded management. Delete key This item allows you to delete the KEK from your system. Configuration options: [Yes] [No] 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. Save to file This item allows you to save the db to a USB storage device. Set New key This item allows you to load the downloaded db from a USB storage device. Append Key This item allows you to load the additional db from a storage device for an additional db and dbx loaded management. ROG STRIX Z270H GAMING BIOS Manual 57