> Is it possible to un-enroll the Microslop certificates
Technically yes, with a massive fucking asterisk: Some option-ROM are signed with the MS certs and if your Motherboard doesn't support not loading those (whether needed or not) you will not be able to sometimes even POST.
With almost all modern motherboard firmware you can enter Setup mode and use KeyTool to configure the trust store however you want, starting from enrolling a user PK (Platform Key) upwards.
It’s generally a lot more secure to avoid the use of any shims (since they leave you vulnerable to what happened in this article) and just build a UEFI Kernel Image and sign that.
Some systems need third party firmware to reach the OS, and this can get a bit more complicated since those modules need to load with the new user keys, but overall what you are asking is generally possible.
> Is it possible to un-enroll the Microslop certificates
Technically yes, with a massive fucking asterisk: Some option-ROM are signed with the MS certs and if your Motherboard doesn't support not loading those (whether needed or not) you will not be able to sometimes even POST.
https://github.com/Foxboron/sbctl/wiki/FAQ#option-rom
With almost all modern motherboard firmware you can enter Setup mode and use KeyTool to configure the trust store however you want, starting from enrolling a user PK (Platform Key) upwards.
It’s generally a lot more secure to avoid the use of any shims (since they leave you vulnerable to what happened in this article) and just build a UEFI Kernel Image and sign that.
Some systems need third party firmware to reach the OS, and this can get a bit more complicated since those modules need to load with the new user keys, but overall what you are asking is generally possible.
> just build a UEFI Kernel Image and sign that.
examples and documentation welcome
https://wiki.gentoo.org/wiki/Secure_Boot
https://wiki.archlinux.org/title/Unified_kernel_image#ukify_...