Re: How do I build a custom kernel with modules signed.

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On Saturday, October 15, 2022 12:07:40 AM CDT Sharpened Blade via users wrote:
> I am building a kernel from the fedora `kernel.spec` file and SRPM. It works
> as good as the official kernel, but nothing in it is signed. I know that I
> can sign the kernel RPM package, but what about the kernel itself (for
> secure boot). The Fedora kernel is signed on a separate system, but I can
> not find any docs for it. I know that I cant use Fedora's keys, but what
> about signing it with my keys, then adding those keys to the shim.
 
> I am trying to make it so that a user starting on a fresh install can use
> the kernel by adding the public keys to the shim, then installing the
> kernel RPM. I also want the modules to be signed with my key (I don't care
> if it is the same key that used for the rest of the kernel). I do not mean
> signing the RPM packages, but the binaries that are installed from the RPM
> package. I also do not want to have to signed the installed binaries with a
> per install key locally. 
 
> tl;dr: I want to make kernel RPM package that is exactly the same as the
> Fedora package, but I compile it, and it uses my signing keys. I also want
> to be able to distribute this in the same way as the Fedora package, but
> with the user adding the key to the shim.

Take a look at:
 * https://jwboyer.livejournal.com/46149.html
 * https://src.fedoraproject.org/rpms/kernel/blob/rawhide/f/mod-sign.sh


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