shimx64.efi is signed with Microsoft key, they also have a hardcoded Ubuntu key inside.
MokManager (mmx64.efi) is signed with Ubuntu's key.
shimx64.efi can launch any EFI binary signed with Microsoft keys.
More information is available on the wiki: Secure Boot#shim.
fbx64.efi scan the ESP for CSV files with bootloader information and adds boot entries to the NVRAM. Read README.fallback.
Alternative signed shim sources:
- Debian shim: https://tracker.debian.org/pkg/shim-signed
- Fedora shim: https://koji.fedoraproject.org/koji/packageinfo?packageID=14502
Pinned Comments
nl6720 commented on 2021-05-28 11:19 (UTC)
shim 15.4 requires SBAT. It will not launch EFI binaries without a
.sbatsection.nl6720 commented on 2016-12-07 13:17 (UTC) (edited on 2024-12-08 10:29 (UTC) by nl6720)
shimx64.efiis signed with Microsoft key, they also have a hardcoded Ubuntu key inside. MokManager (mmx64.efi) is signed with Ubuntu's key.shimx64.efican launch any EFI binary signed with Microsoft keys.More information is available on the wiki: Secure Boot#shim.
fbx64.efiscan the ESP for CSV files with bootloader information and adds boot entries to the NVRAM. Read README.fallback.Alternative signed shim sources: