File No.426 The Enigma Machine—The Cipher Nazi Germany Believed Was 'Unbreakable'

During World War II.The German military used a strange machine to keep important military information from being discovered ...
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The Nazis’ Most Notoriously Complex Cryptographic Machine Is Now Available Online

If you’re someone with a passing interest in a) cryptography, b) World War II, c) cool machines or d) all of the above, you’ve probably heard of the Enigma machine. That machine remains perhaps the ...