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Enigma Machine

Tool to decrypt/encrypt with Enigma automatically. Enigma is a german ciphering/deciphering machine. Based on an electromechanic system using rotors, it allowed to cipher german communications during World War II.

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Enigma Machine -

Tag(s) : Cryptography,Substitution Cipher

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Enigma Machine

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Enigma Encoder and Decoder









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Tool to decrypt/encrypt with Enigma automatically. Enigma is a german ciphering/deciphering machine. Based on an electromechanic system using rotors, it allowed to cipher german communications during World War II.

Answers to Questions

How to encrypt using Enigma cipher?

dCode can code/decoder 3 enigma machines (Wehrmacht/Luftwaffe with 3 rotors and Kriegsmarine with 3 or 4 rotors). Each model has its own rotos and reflectors.

MachineRotorsRéflecteurs
Wehrmacht / Luftwaffe 3I, II, III, IV and VB or C
Kriegsmarine M3I, II, III, IV, V, VI, VII and VIIIB or C
Kriegsmarine M4I, II, III, IV, V, VI, VII, VIII, Beta and GammaBThin or CThin

Rotors have notches. For rotor I, going from Q to R advances the next rotor, notches depends on each rotors and cannot be configured.

Rotors can be mounted in any order but Beta and Gamma can only be in position 4 and must use B Thin or C Thin reflector.

A rotor can have variable initial position (there are 26 positions) which have to be set each time. Rotors have a letter wheel which was fixed in first Enigma machines, but can be set in the latest versions, its position is called Ringstellung.

How to recognize Enigma ciphered text?

The ciphered message has only letters, and no letter in the same position as the initial message.

What is the difference between the initial position of the rotors and the position of the alphabet wheel?

On some rotor wheel, the alphabet is fixed, in this case rotor and wheel are the same thing, but sometimes the wheel is not fixed and can be shifted by an offset from the rotor.

When Enigma have been invented?

In the early 1920s

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Source code

dCode retains ownership of the source code of the script Enigma Machine. Except explicit open source licence (free / freeware), any algorithm, applet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any snippet or function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in PHP (or Java, C#, Python, Javascript, etc.) which dCode owns rights can be transferred after sales quote. So if you need to download the Enigma Machine script for offline use, for you, your company or association, see you on contact page !

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Team dCode read all messages and answer them if you leave an email (not published). It is thanks to you that dCode has the best Enigma Machine tool. Thank you.


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