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Chapter 4: BIOS
OsRecovery Signature (dbr)
This item uploads and installs an OSRecovery Signature. Use this feature to export
NVRAM content of secure boot variables to les in a root folder on a le system device.
The le formats accepted are:
1) Public Key Certicate
a. EFI Signature List
b. EFI CERT X509 (DER Encoded)
c. EFI CERT RSA2048 (bin)
d. EFI SERT SHA256 (bin)
2) Authenticated UEFI Variable
3) EFI PE/COFF Image (SHA256)
MS UEFI CA Key
The options include Enabled, Disabled, and Disabled after BIOS.
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