All Day

🎲 Strong encryption with a 10-sided die

Iffy Books (319 N. 11th St.) 319 N. 11th St. #2I, Philadelphia

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.🎲 […]