The 35-year-old saga of Kryptos, an enigmatic sculpture containing four encrypted messages outside the CIA headquarters, just took a bizarre twist. Though cryptographers broke the first three passages ...

A hands-on set of Python scripts for teaching and experimenting with the classic Caesar cipher. The project walks learners from alphabet visualizations all the way to a simple interactive sandbox. .

To perform a frequency analysis on a ciphertext, returning a list of most common letters, bigrams, and trigrams with their percentage frequencies and up to "n" suggestions for possible Caesar cipher ...