"Encryption is hard; don't roll-your-own;"
One-time pads are easy, so why not roll your own? I would expect that any self-respecting bad actor (i.e., all those secret services out there), figured this one out quite a while ago. a memory stick (cd, floppy, ...) can hold a decent amount of randomness to sprinkle across your data.
Biting the hand that feeds IT
