Cannot enroll hash from mokmanager because EFI seems not valid

Asked by R.M.A.

Hi

I've used this
https://wiki.archlinux.org/title/Unified_Extensible_Firmware_Interface/Secure_Boot#shim
to use shim signed on my system.

ENV is:
systemd-bootloader --> grubx64.efi
shim64 --> BOOTX64.EFI

I'm trying to use mmx to enroll hash of grubx64.EFI and kernel,

But whatever the EFI I choose from MMX I get a bluescreen saying:
"Hash failed (did you select a valid EFI binary?) (0xE) Not Found"

And I know my EFI are all right since I can boot them if SecureBoot is disabled.

Therefore I cannot enable SB since I cannot enroll hashes.

What could be wrong with what I do ?

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Ubuntu shim-signed Edit question
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