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Enigma: The Battle for the Code by Hugh Sebag-Montefiore

By Hugh Sebag-Montefiore

Winston Churchill referred to as the cracking of the German Enigma Code “the mystery weapon that gained the war.” Now, for the 1st time, famous British journalist Hugh-Sebag-Montefiore unearths the complete tale of the breaking of the code via the Allies—the breaking that performed an important position within the consequence of global warfare II.
This attention-grabbing account relates the never-before-told, hair-raising tales of the heroic British and American sailors, spies, and mystery brokers who confronted demise for you to trap important codebooks from sinking ships and take hold of them from less than the noses of Nazi officers. Sebag-Montefiore additionally relates new information about the genesis of the code, little-known proof approximately how the Poles first cracked the Luftwaffe’s model of the code (and then handed it alongside to the British), and the feverish actions at Bletchley Park, dependent partially on files lately unearthed from American and British archives—including formerly private govt files—and partially on unforgettable, firsthand money owed of surviving witnesses, Enigma reveals the beautiful fact concerning the excellent piece of decryption that modified historical past.

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Additional info for Enigma: The Battle for the Code

Sample text

Then after going through the wheels, it is reflected back to W on the entry disk. It then goes to W in the plugboard, then to C in the plugboard, then to C in the lightboard. 34 End Disk (Reflector) Left Wheel Right Wheel Middle Wheel Entry Disk . , , , , , : : ,, , , >< 0 > => G>

They only worked if there were a substantial number of plugboard sockets which were not connected to other sockets. This was the case in the autumn of 1938 when only ten to sixteen sockets were connected to other sockets, but it was clear that the Germans only had to instruct their Enigma operators to connect up more of the plugboard sockets, and the bomby would become redundant in their turn. 8 The second tool, the perforated sheets, which were designed by Zygalski, took much longer to manufacture, but they were destined to be useful for a longer period than the bomby.

This would result in the letters RCM RCM being lit up, which was the sender's message setting. One useful characteristic of the Enigma machine was that if a receiver set up his machine in exactly the same way as the sender, he could simply type out the cipher text he had received - in this case WQR GLT - and the letters representing the plain text which had been sent to him would be lit up - in this case RCM RCM. The receiver then turned his wheels to RCM, and deciphered the message by tapping out the cipher text on the Enigma keyboard and writing down the letters which lit up.

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