Re: [PATCH 3/3] KEYS: Add a 'trusted' flag and a 'trusted only' flag

[David Howells]

Kasatkin, Dmitry <dmitry.kasatkin@xxxxxxxxx> wrote:

> What about the case when running from integrity protected initramfs?
> Either embedded into the signed kernel, or verified by the boot loader.
> In such case it is possible to assume that all keys which are added by
> user space are implicitly trusted.
> Later on, before continuing booting normal rootfs, set the key
> subsystem state (trust-lock),
> so that trusted keyrings accept only explicitly trusted keys...
> 
> Does it make sense?

I'm not sure it does.  Initramfs is (re-)fabricated on the machine on which it
runs any time you update one of a set of rpms (such as the kernel rpm) because
it has machine-specific data and drivers in it.

David
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