Authorized Timestamps; Osrecovery Signatures - Supermicro C7Z170-SQ User Manual

Chapter 4: AMI BIOS

Authorized TimeStamps

This item uploads and installs an Authorized Time Stamp. You may insert
a factory default key or load from a file. The file formats accepted 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.

OsRecovery Signatures

This item uploads and installs an OSRecovery Signature. You may insert
a factory default key or load from a file. The file formats accepted 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.
4-65