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Here is an interesting video by Numberphile on the Enigma machine, for anyone curious on the details of its inner workings: https://www.youtube.com/watch?v=G2_Q

• Rebelgecko 6y ago
  If anyone finds this intriguing and happens to be in the DC Area, the NSA's crypto museum has 2 Engima machines and one of the US built bombes (which used a moderately different design than the British ones). The bombe exhibit is cool, but the enigma machines are a highlight because you can actually use them. Because encryption and decryption are the same function (kinda like CTR mode), it's pretty easy to generate a string of gibberish that makes the display light up with profanity (don't forget to roll back the rotors). Fun for all ages!