11535 2017-05-18 17:31:30 +0000 RMC: [EFI] Verify data store integrity (secure boot) 2020-06-25 08:43:25 +0000 1 1 7 Build System, Metadata & Runtime BSPs bsps-meta-intel 2.4 x86 Multiple RESOLVED OBSOLETE Medium enhancement Future 1 todor.minchev unassigned bluelightning richard.purdie tim.orling --- --- Yes (doc changes required) oldest_to_newest 73351 0 todor.minchev 2017-05-18 17:31:30 +0000 When running in secure boot mode, RMC.efi has to verify the integrity of the data store. This involves generating and MD5 hash over the contents of the data store and comparing it to the MD5 has stored in the RMC.efi PE header (last field in data directories). https://en.wikipedia.org/wiki/Portable_Executable#/media/File:Portable_Executable_32_bit_Structure_in_SVG_fixed.svg If the system is running in secure boot mode and the two hashes do not match the boot process should be terminated with an appropriate message to the user. 87613 1 tim.orling 2020-06-25 08:43:25 +0000 Work on RMC has been discontinued and it is no longer supported.