Appendix F: Secure Boot Settings
199
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 191 for the Export process. Refer to pages 192, 193,
194, and 195 for the Update process. Refer to pages 196 and 197 for the Append
process. Refer to page 198 for the Delete process.)
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