![]() ![]() It would later emerge that the Navy had switched to encrypting and sending messages by the German-invented Enigma machine.Įnigma was a whole different ball game. Where the Russian messages had been crude and easy to decipher, these new messages appeared impenetrable. In 1924, the German Navy began broadcasting a new type of encrypted message that baffled the Poles. Read more about: WW1 Native American Code Breakers of WW1 After their victory, it was clear to the Poles that successful interception of enemy traffic was one key to securing success in any future conflict. As a result, the Poles were able to keep one step ahead of their enemies and eventually emerge victorious from the conflict after the decisive Battle of Warsaw. It became very adept at intercepting the Russians’ rather creaky encrypted signals, which had not advanced from the system they used in World War I. The section soon proved its worth during the Polish-Soviet War of 1919-1921. The section was the precursor of what would eventually become the Polish Cypher Bureau. To this end, Lieutenant Józef Serafin Stanslicki of the Polish Army was charged with setting up a new cypher section in May 1919. One way to ensure it did was to intercept and decode encrypted messages. Its military leaders knew the country had to stay one step ahead of its potential enemies if it had any hope of keeping that independence. Poland was a young country that had only gained its independence after World War I. (For example, a series of decoded messages nicknamed “Weasel” proved extremely important in anticipating German anti-aircraft and antitank strategies against the Allies.) These decoded messages were regularly passed to the Soviet High Command regarding German troop movements and planned offensives, and back to London regarding the mass murder of Russian prisoners and Jewish concentration camp victims.Read more about: Women's history The women of the Battle of Britain The first breakthrough occurred on July 9, regarding German ground-air operations, but various keys would continue to be broken by the British over the next year, each conveying information of higher secrecy and priority than the next. Now, with the German invasion of Russia, the Allies needed to be able to intercept coded messages transmitted on this second, Eastern, front. The British had broken their first Enigma code as early as the German invasion of Poland and had intercepted virtually every message sent through the occupation of Holland and France. The Germany army adapted the machine for wartime use and considered its encoding system unbreakable. The Enigma machine, invented in 1919 by Hugo Koch, a Dutchman, looked like a typewriter and was originally employed for business purposes. ![]() Enigma was the Germans’ most sophisticated coding machine, necessary to secretly transmitting information. On July 9, 1941, British cryptologists help break the secret code used by the German army to direct ground-to-air operations on the Eastern front.īritish and Polish experts had already broken many of the Enigma codes for the Western front.
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