[v3,0/4] Improve FIT signature handling

Ludwig Nussel ludwig.nussel at siemens.com
Tue May 12 17:26:28 CEST 2026


On 5/7/26 18:39, Simon Glass wrote:
> Hi Ludwig,
> 
> On 2026-05-07T12:06:22, Ludwig Nussel <ludwig.nussel at siemens.com> wrote:
> 
>> (optionally) enforce signatures so we can't accidentally boot
>> unsigned fit images.
> 
> Since you are adding a new policy knob (FIT_SIGNATURE_REQUIRED) and a
> new verifier path (fit_all_configurations_verify()), please can you
> add coverage in test/py/tests/test_vboot.py for both the
> required-but-no-keys case and the iminfo signature path? Without tests
> it is easy for a future change to silently regress the fail-closed
> behaviour.

The function also tests image signing. That's mutually exclusive to 
having conf signatures required. Should I adjust the function to not 
expect successful image signing tests when
fit_require_config_sigs is on, resp only test the fail-closed mode if 
fit_require_config_sigs is actually on?

cu
Ludwig

-- 
Ludwig Nussel
Siemens AG
www.siemens.com


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