Re: F37 Change: Deprecate Legacy BIOS (System-Wide Change proposal)

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On Wed, Apr 6, 2022 at 10:23 AM Justin Forbes <jmforbes@xxxxxxxxxxx> wrote:

> > Apple and Microsoft signing NVIDIA's proprietary driver doesn't at all
> > indicate Apple and Microsoft trust the driver itself. It is trusting
> > the providence of the blob, in order to achieve an overall safer
> > ecosystem for their users.
> >
> > We either want users with NVIDIA hardware to be inside the Secure Boot
> > fold or we don't. I want them in the fold *despite* the driver that
> > needs signing is proprietary. That's a better user experience across
> > the board, including the security messaging is made consistent. The
> > existing policy serves no good at all and is double talk. If we really
> > care about security more than ideological worry, we'd sign the driver.
>
> At the very least, it would require that Fedora have a separate key
> that is trusted and not the same one used for shim/grub/kernel.

If Fedora is going to sign it, rather than improving the local signing
experience, absolutely it should be signed with a separate key. The
design should assume a revocation is going to happen at some point.

> We
> certainly aren't proposing that we use the standard Fedora keys to
> sign a binary blob that runs in kernel space from a company who was
> most recently hacked last month?

No way.

I don't think there's a mechanism for it, but I'd prefer Fedora sign
the 3rd party's key rather than their binary. Maybe it's a small
distinction at the end of the day.

-- 
Chris Murphy
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