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How did the Enigma Machine work?

Jared Owen

Let's use 3D animation to go inside the Enigma Machine!
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Thanks to the Dan Perera for his help creating this animation.
His website:

00:00 Intro
01:01 Encryption
02:42 Enigma Machine
04:23 Simple Circuit Example
05:23 Inside the Machine
06:15 Rotors
08:51 Plugboard
10:08 Keyboard Mechanism
12:14 The Circuit
13:15 Circuit Recap
14:38 Rotor Mechanism
17:06 Machine Settings
18:14 Brilliant

Further reading on a some things that I couldn't include in the video:
Changes/improvements to the Enigma Machine: (
The number of possible enigma settings is 10^23 (
How the machine was broken by the allies: (
The bombe machine (
Alan Turing (
Breaking of Enigma was classified until the 1970s (

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Sources: The Enigma Machine Explained (World Science Festival) How the Enigma machine works Imitation Game: how did the Enigma machien work? The Inner Workings of an Enigma Machine Enigma Machine (Numberphile) Flaw in the Enigma Code (Numberphile) Enigma Cipher Machine History | Ralph Simpson | Talks at Google

This animation was made with Blender 2.93 then I rendered it with Blender 3.0(Cycles Render)

Music (
"Swan" by Enoch Yang
"A New Horizon" by Cloud Wave
"Dawning Sprite" by Lincoln Davis

I purchased a 3D model of the Enigma Machine for this video (I then had to create most of the inside):

Here is some of the gear that I use for animation:
Graphics Card: GTX 1080ti
CPU: i78700k
Motherboard: Asus Prim Z370A​​
Microphone: Samson Go Mic
Mouse: Logitech G600
Chair: Staples Gaming Chair

#b3d #enigma #howitworks

posted by liberaderir