Advanced Secure Boot OptionsAdvanced Secure Boot Options
PK - Platform Key —Establishes a trust relationship between the platform owner and the platform firmware.
KEK - Key Exchange Key —Protects the signature database from unauthorized modifications. No changes can be made to the
signature database without the private portion of this key.
DB - Allowed Signatures Database —Maintains a secure boot allowed signature database of signatures that are authorized to run on
the platform.
DBX - Forbidden Signatures Database—Maintains a secure boot blacklist signature database of signatures that are not authorized
to run on the platform
DBT - Timestamp Signatures Database —Maintains signatures of codes in the timestamp signatures database.
Delete all keys
Export all keys
Reset all keys to platform defaults
NOTE:NOTE:
Changing the default security certificates can cause the system to fail booting from some devices. It can also cause the
system to fail launching certain system software such as Intelligent Provisioning.
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