Supero C7Z370-CG-IW, User Manual

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Chapter 4: AMI BIOS
4-57
OsRecovery Signatures
This feature uploads and installs an OSRecovery Signature. You may
insert a factory default key or load from a file. The file formats ac -
cepted are:
1) Public Key Certificate
a. EFI Signature List
b. EFI CERT X509 (DER Encoded)
c. EFI CERT RSA2048 (bin)
d. EFI SERT SHA256 (bin)
2) EFI Time Based Authenticated Variable
When prompted, select "Yes" to load Factory Defaults or "No' to load
from a file.
Set New Var
Select Yes to load the DBR from the manufacturer's defaults. Select
No to load the DBR from a file. The options are Yes and No.
Append Key
This feature uploads and adds an OSRecovery Signature into the Key
Management. You may insert a factory default key or load from a
file. When prompted, select " Yes " to load Factory Defaults or "No" to
load from a file.
a. EFI Signature List
b. EFI CERT X509 (DER Encoded)
c. EFI CERT RSA2048 (bin)
d. EFI SERT SHA256 (bin)
2) EFI Time Based Authenticated Variable
When prompted, select "Yes" to load Factory Defaults or "No' to load
from a file.