Please consider:
In open source development there is always a conflict between discipline
and convenience, as well as between standardization and innovation. Over
the last few decades I laid my eyes on millions of lines of code that were
littered with #ifdef and nested #ifdef statements and
I don't think forcing users to change existing key formats would be a
good idea. I would suggest leaving compatibility in place for the
moment. When MCUboot changed the image format for 1.0 a new flag was
added to "new create-image" command, "-2", to write in the new format.
Maybe if a user
