Enigma: How the German Machine Cipher was Broken, and how it was Read by the Allies in World War Two |
Contents
Collapse of France | 104 |
Vichy France | 118 |
Spanish Interlude | 148 |
Copyright | |
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According Air Force Algiers Allied already appeared armed Army attack August began beginning Bertrand Bletchley bomb breaking Britain British Cadix called changed chief Cipher Bureau command communications completely connections continued course cryptological cryptologists daily decryptment designated direction divisions drums early enciphered enemy Enigma example final France French German given head Hitler hundred important intelligence intercepts Italy July June keys known landing Langer later letters London machine Major March material method military monitoring months moved naval North obtained officers once operations organization Paris period permutation personnel persons plans Poland Poles Polish position possible preparations radio radio intelligence received Rejewski reports result Room rotors secret sent September sheets signals solved staff stations supplied tion took turned Ultra units Warsaw Welchman World Zygalski