More information on FIT can be obtained here. Those components include CPU microcode updates, binaries and settings used by BIOS Guard and Boot Guard technologies and some other stuff. FIT contains pointers to various image components that must be loaded before executing the first CPU instruction from the BIOS chip. Intel Firmware Interface Table (FIT) editing is not supported right now.Enabling support for such files will require massive amount of reverse-engineering which is almost pointless because the updated image can be obtained from BIOS chip where it's already decrypted and unpacked. This includes encrypted HP update files, Dell HDR and EXE files, some InsydeFlash FD files and so on. Some vendor-specific firmware update files can be opened incorrectly or can't be opened at all.This is the top priority issue #67, which is being worked on, albeit slowly (due to the amount of coding and testing required to implement it correctly).
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