Strong encryption with a 10-sided die 🎲 Dec 30 – Jan 2

A drawing of a 10-sided die with the following text: Strong encryption with a 10-sided die. Free tutorial December 30, 2021–January 2, 2022 12–6 p.m. Iffy Books. 319 N. 11th St. #3D Phildelphia, PA

Stop by this week (Thursday–Sunday, 12–6 p.m.) and learn to create a one-time pad cipher without using a computer. All you’ll need is paper, a pencil, and a 10-sided die.

> Zine PDF

Each zine page is 8.5″x11″, because the encoder/decoder table is difficult to read at booklet scale. If you’re printing double-sided, use the “long-edge flip” setting.