Skip to main content

Secure Boot Custom Policy

Table 1. Secure Boot Custom Policy
ItemDescription
Enroll Efi Image

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

Secure Boot variable

Display platform keys (PK), key exchange keys (KEK), authorized signature database (DB), and forbidden signature database (DBX).

Size

Display the number of key bytes.

Keys

Display the number of certificates (integer).

Key Source

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

PK

Enroll a PK (from a Public Key Certificate file format) or delete the existing PK.

Note
There is only one PK in the system.
KEK

Enroll a KEK entry (from a Public Key Certificate file format), or delete an existing entry from the KEK.

DB

Enroll a DB entry (from a Public Key Certificate file format or an EFI image file), or delete an existing entry from the DB.

DBX

Enroll a DBX entry (from a Public Key Certificate file format or an EFI image file), or delete the existing entry from the DBX.