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Turing's ENIGMA treatise

Alan Turing’s treatise on the Enigma machine — one of the documents that gave rise to modern cryptanalysis — has been declassified since 1996, but it wasn’t until now that it’s been available on the Web. Brucee’s working on scanning and posting all 160+ pages and posting them as PDFs as he goes.

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(Thanks, Brucee!)

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