Why Was Hitler’s Enigma Machine So Hard To Crack?

Deciphering Hitler’s Cryptographic Masterpiece

5 min readApr 7


Photo by Christian Lendl on Unsplash

The Enigma machine was created in the early 20th century and was used to transmit coded messages through the enormous German war engine. It is a sophisticated encryption tool. Nazi Germany’s military communications relied heavily on it during World War II.

The Enigma machine’s encryption complexity made it very challenging for the Allies to decipher. Still, the machine’s secrets were revealed thanks to the tireless work of a group of passionate codebreakers. In this piece, we will examine the causes of the Enigma machine’s illustrious image and how it became one of the most notorious cryptographic tools in history.

What was the mystery surrounding the machine’s mechanism?

The Enigma machine was very good at its job. It was composed of a keyboard, a lamp board, rotors, and internal electrical circuitry, among other components. Some devices, like those employed by the military, have extra features like a plugboard.

The devices had a typewriter keyboard for message entry and a light board for displaying the encrypted form. Each Enigma user had a book of codes; one for each day of the week that explained how to configure the device. After communication had been encoded by one machine, it was sent to an Enigma operator located elsewhere using Morse code.

The operator would set up their machine using the same daily key code. Then they could quickly type the encrypted text on the keyboard. The real message would be displayed on the light board, and the operator would copy it.

When a key was pressed, at least three rotors inside the machine would rotate, ensuring that a distinct outcome was produced each time, even if the same key was pressed twice.

Additionally, there was a plug board that the user could use to add a layer of encryption.

The Ingenious Design of the Enigma Machine

The design of the machine made it super challenging to crack the machine’s code. As mentioned above, the device was made up of several elements. Its design is the first factor that made it complex and…




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