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Everything about Enigma machine

German cipher machine during World War II

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-secret messages. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Enigma machineA 5-minute orientation
  2. Skim a recent paper: Elizebeth Smith Friedman’s recovery of the wiring of two rotors from an enigma D machineInfluential work since 2022
  3. Pick up a classic book: EnigmaThe most-reprinted book on the subject
  4. Read the landmark paper: Quantum enigma machine: Experimentally demonstrating quantum data lockingCited 45 times
  5. Go sideways: Cryptanalysis of the EnigmaA closely related topic
  6. Go sideways: Marian RejewskiA closely related topic

📖 Definitions

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

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