TYAN S5548GM4NED83-4T Manual page 118

Authorized TimeStamps
Enroll factory Defaults or load the keys from a file with:
1. Public Key Certificate in:
a) EFI_SIGNATURE_LIST
b) EFI_CERT_X509 (DER encoded)
c) EFI_CERT_RSA2048 (bin)
d) EFI_CERT_SHA256 (bin)
2. Authenticated UEFI Variable
Key: Vendor, Custom, Mixed, Test
(*) modified from Setup menu
Set New Key
Append Key
OsRecovery Signatures
Enroll factory Defaults or load the keys from a file with:
1. Public Key Certificate in:
a) EFI_SIGNATURE_LIST
b) EFI_CERT_X509 (DER encoded)
c) EFI_CERT_RSA2048 (bin)
d) EFI_CERT_SHA256 (bin)
2. Authenticated UEFI Variable
Key: Vendor, Custom, Mixed, Test
(*) modified from Setup menu
Set New Key
Append Key
118
http://www.tyan.com