Encrypt Messages With Your Pi

YOU’LL NEED THIS

PYTHON

Any sort of computer with Python installed—we used a Raspberry Pi. Plus some secrets to pass on.

SENDING secret messages has been with us for a long time. Various methods have been devised, most with a weakness. Take the very ancient idea of tattooing your message on the head of a slave or serf, as seen in antiquity. First there’s the problem that slavery is morally repugnant, then you’ve got to shave the head, do the tattooing, and wait for the hair to grow before sending them to your co-conspirator. Then they need to be reshaved before the message can be read.

Far better to use something