Which Tim Jenkins did overcome by using his own systems and own crypto. No backdoored DES, but ultimately secure one-time pads transported via floppies by the s

Which Tim Jenkins did overcome by using his own systems and own crypto. No backdoored DES, but ultimately secure one-time pads transported via floppies by the stewardess to each party. If they got hold of such a floppy in SA, it would only compromise the messages of this one receiver. Which would be detected sooner or later.