[PATCH] boot: Add fit_config_get_hash_list() to build signed node list

[Simon Glass]

Hi Tom,

On Thu, 5 Mar 2026 at 12:38, Tom Rini <trini at konsulko.com> wrote:
>
> On Wed, Mar 04, 2026 at 06:51:48AM -0700, Simon Glass wrote:
>
> > From: Simon Glass <simon.glass at canonical.com>
> >
> > The hashed-nodes property in a FIT signature node lists which FDT paths
> > are included in the signature hash. It is intended as a hint so should
> > not be used for verification.
> >
> > Add a function to build the node list from scratch by iterating the
> > configuration's image references. Skip properties known not to be image
> > references. For each image, collect the path plus all hash and cipher
> > subnodes.
> >
> > Use the new function in fit_config_check_sig() instead of reading
> > 'hashed-nodes'.
> >
> > Update the docs to cover this. The FIT spec can be updated separately.
> >
> > Signed-off-by: Simon Glass <simon.glass at canonical.com>
>
> This breaks:
> FAILED test/py/tests/test_vboot.py::test_vboot[sha1-basic-sha1--None-False-True-False-False] - AssertionError
> unfortunately.

Yes, as the messages change. I'll send a v2.

What do you think about the 'No images in config' message? I doubt it
would happen in practice so we could perhaps drop it.

Regards,
Simon