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2hrs long, more complete and better than other documentary

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The Story Of Cracking The Enigma Code In 2 Hours

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everything that i know about the polish involvement.

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Good Resources (Videos, Articles, etc.) 

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Good Resources (Videos, Articles, etc.) 

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-Youtube Videos provide great simplified explanations

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This article is about the Enigma machine itself. For the Allied cracking of the machine, see Cryptanalysis of the Enigma.

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It is the peak of World War II. Wolf packs; squadrons of German U-boats were swarming in the Atlantic ocean hunting down Atlantic convoys bringing supplies from the USA to Britain.

Dawn broke, and the U-boats received daily weather reports in the most encrypted format of the time, "Enigma Code." The U-boat occupants prepared for their attack. They are not aware that a group of mathematicians in Bletchley Park, Britain, broke the Enigma Code and are eavesdropping into their conversions with German high command.

The U-boats' positions, their movement, and instructions from Germany were known to Britain. The secret of breaking the Enigma Code was more secretive than the Enigma code itself.

The Enigma Machine was invented in Germany by Arthur Scherbius. The first use case of Enigma was to transmit secret banking information.

When the war period came, the German army wanted to use the Enigma Machine to encrypt and decrypt messages sent across units on the battlefield. An Enigma Machine consists of several tuning parameters, which made it difficult to crack.

During World War II, every message got transmitted via Morse code as a radio signal, and it is open for anyone to hear if someone tunes to that particular frequency. It was the need of the hour to encrypt the message so that only the intended person can read the message.

Basic encryption is a method of replacing an alphabet in a message with some arbitrary alphabet based on an algorithm. Enigma was a more advanced form of an encryption algorithm.

The Enigma Machine contained three rotors(a wheel with numbers). Each rotor had 26 positions, and the rotor position was changed every day. A codebook told the Enigma operator about rotor settings for each day.

The military Enigma Machine had another set of encryption layers by using switchboards where each alphabet got mapped to another alphabet. The mapping mechanism increased the combination of several trillion. Breaking such a trillion...

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How Allied forces cracked Enigma code. Enigma code used by German forces during World War II Thought to be unbreakable. Britain cracked the code and saved millions of lives.

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Turingery and Delilah

In July 1942, Turing developed a complex code-breaking technique he named 'Turingery'. This method fed into work by others at Bletchley in understanding the 'Lorenz' cipher machine. Lorenz enciphered German strategic messages of high importance: the ability of Bletchley to read these contributed greatly to the Allied war effort.

Turing travelled to the United States in December 1942, to advise US military intelligence in the use of Bombe machines and to share his knowledge of Enigma. Whilst there, he also saw the latest American progress on a top secret speech enciphering system. Turing returned to Bletchley in March 1943, where he continued his work in cryptanalysis. Later in the war, he developed a speech scrambling device which he named 'Delilah'. In 1945, Turing was awarded an OBE for his wartime work.

The Universal Turing Machine

In 1936, Turing had invented a hypothetical computing device that came to be known as the 'universal Turing machine'. After the Second World War ended, he continued his research in this area, building on his earlier work and incorporating all he'd learnt during the war. Whilst working for the National Physical Laboratory (NPL), Turing published a design for the ACE (Automatic Computing Engine), which was arguably the forerunner to the modern computer. The ACE project was not taken forward, however, and he later left the NPL.

Legacy

In 1952, Alan Turing was arrested for homosexuality - which was then illegal in Britain. He was found guilty of 'gross indecency' (this conviction was overturned in 2013) but avoided a prison sentence by accepting chemical castration. In 1954, he was found dead from cyanide poisoning. An inquest ruled that it was suicide.

The legacy of Alan Turing's life and work did not fully come to light until long after his death. His impact on computer science has been widely acknowledged: the annual 'Turing Award' has been the highest accolade in that industry since 1966. But the work of Bletchley Park - and Turing's role there in cracking the Enigma code - was kept secret until the 1970s, and the full story was not known until the 1990s. It has been estimated that the efforts of Turing and his fellow code-breakers shortened the war by several years. What is certain is that they saved countless lives and helped to determine the course and outcome of the conflict.

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Until the release of the Oscar-nominated film The Imitation Game in 2014, the name 'Alan Turing' was not very widely known. But Turing's work during the Second World War was crucial. Who was Turing and what did he do that was so important?

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Alan Turing: The Scientist Who Saved The Allies | Man Who Cracked The Nazi Code | Timeline