This applet simulates a WWII German Enigma encryption machine. You can use your computer keyboard to type, or use your mouse to click on the machine's keys. To alter the setup of the machine, click the 'Settings' button. To learn more about the Enigma click here.
I have been asked by several people for details of exactly how the enigma works so that they can write their own simulators. To save time, I put together this page with details collected from previous E-Mails.
Another frequent request is for a standalone version of the applet, so here's one .
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