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  2. Cryptanalysis of the Enigma - Wikipedia

    en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma

    The Enigma machines were a family of portable cipher machines with rotor scramblers. [1] Good operating procedures, properly enforced, would have made the plugboard Enigma machine unbreakable to the Allies at that time. [2] [3] [4] The German plugboard-equipped Enigma became the principal crypto-system of the German Reich and later of other ...

  3. Enigma machine - Wikipedia

    en.wikipedia.org/wiki/Enigma_machine

    The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication. It was employed extensively by Nazi Germany during World War II, in all branches of the German military. The Enigma machine was considered so secure that it was used to encipher the most top ...

  4. Bombe - Wikipedia

    en.wikipedia.org/wiki/Bombe

    The Enigma is an electro-mechanical rotor machine used for the encryption and decryption of secret messages. It was developed in Germany in the 1920s. It was developed in Germany in the 1920s. The repeated changes of the electrical pathway from the keyboard to the lampboard implement a polyalphabetic substitution cipher, which turns plaintext ...

  5. Marian Rejewski - Wikipedia

    en.wikipedia.org/wiki/Marian_Rejewski

    The Enigma machine was an electromechanical device, equipped with a 26-letter keyboard and 26 lamps, ... To decrypt Enigma messages, three pieces of information were ...

  6. Bomba (cryptography) - Wikipedia

    en.wikipedia.org/wiki/Bomba_(cryptography)

    A machine called the "bombe" is used to expedite the solution. The first machine was built by the Poles and was a hand operated multiple enigma machine. When a possible solution was reached a part would fall off the machine onto the floor with a loud noise. Hence the name "bombe". [3]

  7. Bought for $115, a WWII Enigma machine sells for $51,000 - AOL

    www.aol.com/news/2017-07-12-bought-for-100-euros...

    The machine was developed by British mathematician Alan Turing, and it was used to decode messages sent by the Nazi military. Bought for $115, a WWII Enigma machine sells for $51,000 Skip to main ...

  8. Ultra (cryptography) - Wikipedia

    en.wikipedia.org/wiki/Ultra_(cryptography)

    The Japanese are said to have obtained an Enigma machine in 1937, although it is debated whether they were given it by the Germans or bought a commercial version, which, apart from the plugboard and internal wiring, was the German Heer/Luftwaffe machine. Having developed a similar machine, the Japanese did not use the Enigma machine for their ...

  9. Enigma-M4 - Wikipedia

    en.wikipedia.org/wiki/Enigma-M4

    The Enigma-M4 key machine Key manual of the Kriegsmarine "Der Schlüssel M".. The Enigma-M4 (also called Schlüssel M, more precisely Schlüssel M Form M4) is a rotor key machine that was used for encrypted communication by the German Kriegsmarine during World War II from October 1941.