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  2. Plugboard - Wikipedia

    en.wikipedia.org/wiki/Plugboard

    A plugboard or control panel (the term used depends on the application area) is an array of jacks or sockets (often called hubs) into which patch cords can be inserted to complete an electrical circuit.

  3. Plug board - Wikipedia

    en.wikipedia.org/wiki/Plug_board

    Plugboard, a component of certain encryption machines, unit record equipment and some early computers Telephone switchboard , another name for a manual exchange Power strip a device that plugs into a power socket to increase the number of power sockets available for other devices

  4. Cryptanalysis of the Enigma - Wikipedia

    en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma

    The various Enigma models provided different levels of security. The presence of a plugboard (Steckerbrett) substantially increased the security of the encipherment. Each pair of letters that were connected together by a plugboard lead were referred to as stecker partners, and the letters that remained unconnected were said to be self-steckered ...

  5. Enigma machine - Wikipedia

    en.wikipedia.org/wiki/Enigma_machine

    The plugboard contributed more cryptographic strength than an extra rotor, as it had 150 trillion possible settings (see below). [30] Enigma without a plugboard (known as unsteckered Enigma ) could be solved relatively straightforwardly using hand methods; these techniques were generally defeated by the plugboard, driving Allied cryptanalysts ...

  6. File:Enigma wiring kleur.svg - Wikipedia

    en.wikipedia.org/wiki/File:Enigma_wiring_kleur.svg

    The plugboard allows rewiring the connections between keyboard (2) and fixed entry wheel (4). Next, the current proceeds through the—unused, so closed—plug (3) via the entry wheel (4) through the wirings of the three (Wehrmacht Enigma) or four (Kriegsmarine M4 or Abwehr variant) rotors (5) and enters the reflector (6).

  7. List of Enigma machine simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_Enigma_machine...

    Any Enigma - fully configurable Rotors, Plugboard and Reflector. Sample models: German Railway (Rocket), Swiss K: No: Yes Web Encryptor - The Online Encrypter [6] React App: Enigma I, M3 (Army/Navy), M4 (Army/Navy), Railway, Tirpitz, Zahlwerk (Default/G-260/G-312), Swiss-K (Air Force/Commercial) No: Yes Franklin Heath Enigma Simulator [7] Android

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. John Herivel - Wikipedia

    en.wikipedia.org/wiki/John_Herivel

    A Luftwaffe key at the time chose from 5 rotors, so there were 60 possible rotor orders. In addition, there might be 8 to 10 plugboard connections, which means that all but 6 of the 26 letters are permuted by the plugboard. The codebreakers had to use other methods to find the remaining portions of the Enigma key.