Weapons · Germany · 1923-1945
Enigma machine
military cipher machine
The Kriegsmarine's four-rotor naval Enigma encrypted U-boat orders and reports, and was believed unbreakable. Bletchley Park's codebreakers, aided by captured machines and codebooks such as those seized from U-110, read this traffic for long stretches of the war, letting convoys be routed around wolfpacks.
| type | electromechanical rotor cipher machine |
|---|---|
| rotors | 3-4 (naval variant) |
| used by | Wehrmacht, Kriegsmarine, Luftwaffe |
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