Appendix F: Secure Boot Settings
229
Authorized Signatures
Authorized Signature Database (DB) contains authorized signing certicates and digital
signatures. The options are Details, Export, Update, Append, and Delete. Select Details
to display detailed information of Authorized Signatures. Select Export to save the cur-
rent DB to a FAT formatted USB ash drive. Select Update to load the factory defaults or
load DB from a le on the external device. Select Append to add variables to the exist-
ing DB. Select Delete to clear the current DB or to delete only one certicate from the
key database. (Refer to page 221 for the Export process. Refer to pages 222, 223,
224, and 225 for the Update process. Refer to pages 226 and 227 for the Append
process. Refer to page 228 for the Delete process.)
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