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Secure Boot Custom Policy

Table 1. Secure Boot Custom Policy
ItemDescription
Enroll Efi Image

Enrolls SHA256 hash of the selected EFI image binary into the DB (Authorized Signature Database).

Secure Boot variable

Displays PK (Platform Keys), KEK (Key Exchange Keys), DB (Authorized Signature Database), and DBX (Forbidden Signature Database).

Size

Displays number of key bytes.

Keys

Displays number of certificates.

Key Source

Displays certificate sources. The sources can be Factory Default, No Keys, Mixed, or Customized.

PK

Enrolls the PK or delete the existing PK.

Note
There is only one PK in the system.
KEK

Enrolls a KEK entry or delete the existing entry from the KEK.

DB

Enrolls a DB entry or delete the existing entry from the DB.

DBX

Enrolls a DBX entry or delete the existing entry from the DBX.