Keep in mind that it was the early 1940s—-there weren’t many options other than rolling your own. The code talkers were literally 100x faster than the available

Keep in mind that it was the early 1940s—-there weren’t many options other than rolling your own. The code talkers were literally 100x faster than the available machines and much more “portable” and robust. It also wasn’t just haphazardly deployed like a DIY crypto system inside some app might be. There were tests and working groups and stuff like that.