You can even set up a secure boot chain with your own encryption keys, see: https://boundarydevices.com/high-assurance-boot-hab-i-mx8m-edition/ https://boundary

You can even set up a secure boot chain with your own encryption keys, see: https://boundarydevices.com/high-assurance-boot-hab-i-mx8m-edition/ https://boundarydevices.com/high-assurance-boot-hab-i-mx8m-e... (it's a tutorial for a board that uses SoC from the same family as the Librem 5)