This triggered a memory about the Native American code talkers employed by the US military during WWII to encode communications using their own languages which

This triggered a memory about the Native American code talkers employed by the US military during WWII to encode communications using their own languages which were unknown to the Axis forces. First thought: "ha! Now they're doing firmware?":) https://en.wikipedia.org/wiki/Code_talker https://en.wikipedia.org/wiki/Code_talker