Table of Contents
Advertisement
Appendix F: Secure Boot Settings
Forbidden Signatures
Forbidden Signature Database (DBX), which is the inverse of DB, contains forbidden
certifi cates and digital signatures. The options are Details, Export, Update, Append, and
Delete. Select Details to display detailed information of Forbidden Signatures. Select
Export to save the current DBX to a FAT formatted USB fl ash drive. Select Update to
load the factory defaults or load DBX from a fi le on the external device. Select Append
to add variables to the existing DBX. Select Delete to clear the current DBX or to delete
only one certifi cate from the key database. (Refer to page 180 for the Export process.
Refer to pages 181, 182, 183, and 184 for the Update process. Refer to pages 185
and 186 for the Append process. Refer to page 187 for the Delete process.)
189
Advertisement
Table of Contents
