8. Cryptology: Operation Magic

What is cryptology? What is "Purple" and Operation Magic? How are they related to American and Japanese relations? What does any of it have to do with Pearl Harbor? Tune in and try to decipher the enigma of the American Black Chamber and discover the beginnings of American cryptology.

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Sources:

Cipher Machines. https://ciphermachines.com/purple.

Magic | Operations & Codenames of WWII. https://codenames.info/operation/magic/.

Farago, Ladislas, The Broken Seal: The Story of Operation Magic and the Pearl Harbor Disaster. Random House. New York, NY 1967.

Friedman, William F. Certain Aspects of "MAGIC'' in the Cryptological Background of the Various Official Investigations into the Atuack on Pearl Harbor. PDF. National Security Administration, 1957.

The Washington Naval Conference, 1921–1922. Milestones: 1921–1936 - Office of the Historian (state.gov)

"Home." National Security Agency | Central Security Service. https://www.nsa.gov/news-features/declassified-documents/friedman-documents/.