Vendor Authorized Boot Provisioning Table (Type 0x1A) Rules
VAB Provisioning Table Manifest (Type 0x1A) entry in the FIT is required only for platforms which support Vendor Authorized Boot. The VAB Provisioning Manifest is used to initially program the Key Authentication Keys (KAKs). There can only be zero or one Type 0x1A record present in the FIT.
- The Version field should be set to 0x0100.
- The C_V bit in this entry should be clear.
- The Checksum field is set to 0.
- The entry must be 64 byte aligned.
- Address + size must be under (4GB – 1) and above (4GB – 16MB).