The Invention Of The Cipher System During 1700's Thomas Jefferson

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Jefferson Wheel Cipher:
During 1700’s Thomas Jefferson invented a cipher system that is almost similar to Vigenere cipher but with improved security. The system had 26 wheels with alphabets that are randomly scattered on them. The key for the system is having the wheels in ascending order. The cipher text is any other line found by aligning the wheel with a line that has the plain text or message. While decrypting the message the cipher text are aligned first then the all other lines are scanned for finding a meaningful line. It is very rare to find two lines which make some sense.
Around 1900’s the US army found the same method without having knowledge about Jefferson’s invention.

WAR DRIVEN CRYPTOGRAPHY – WORLD WAR I:
Zimmerman Telegram: …show more content…

around 1917, the cryptanalysis history was impacted by British cryptographers, who encountered German encoded telegram called Zimmerman telegram. They are able to decipher the telegram which convinced United States for joining the war.
The foreign secretary of the German Empire, Arthur Zimmerman, sent a secret message to German ambassador in Mexico, Heinrich von Eckardt. The telegram was to make an offer for Mexico to get back its territory of New Mexico, Texas, Arizona if they joined the World War to help Germany. Even with regards to such big offer Mexico concluded that it would not be able to take over their former territories.
World War I was in full swing when this message was sent. The United Sates has been neutral until that point. British along with their team of other countries had requested help from United States. This message made United States to move towards war. On February 24, 1917 British gave their decoded telegram to United States. On April 6, 1917 the United States authorities officially declared war on Germany and allies to favor the

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