Secure Updates

See https://github.com/tkfu/en-304-626/compare/55d79bd96c9de155f852f42d1634d22cd3e71810...secure-updates



Authored-by: Jon Oster <jon.oster@toradex.com>
Co-authored by: Marius Gläß <marius.glaess@bsi.bund.de>
Signed-off-by: Aki Rose Braun <a@expertzebra.com>