The Mystery Inside the Enigma

I just got back from watching The Imitation Game, a movie about Alan Turing and the other cryptanalysts who broke the Enigma code during World War II. It was touching to see the (admittedly dramatized) personal side of Turing’s story, and Benedict Cumberbatch’s acting was superb. But more than anything I find the Enigma machine and its role in the war intriguing.

For those of you who also enjoy the slightly more technical side, here’s an explanation of how the Enigma machine created nearly 159,000,000,000,000,000,000 permutations and gained the reputation of being an unbreakable cipher: