Can't boot from encrypted partition

[Kyle Evans]

On Thu, Mar 15, 2018 at 6:20 PM, Petr Hejl <petr.hejl at freedev.cz> wrote:
> OK, I experimented a little and now I can reply to myself :).
>
> The EFI bootloader (meaning the BOOTX64.EFI) is not yet capable of
> unlocking an encrypted device. Either that or the function is not
> implemented correctly.

I can't speak to the rest of your observations, but indeed this isn't
supported with the EFI loader at the moment- there's work in progress
on head towards a model where this can work, but unfortunately we're
still not there yet.