Japans Purple Machine Essay -- Codes Communications Papers

japans Purple Machine Codes and ciphers have played m whatsoever crucial roles in the past 3000 years, protecting the secrets of caesars and laymen. In worldly concern War II numerous nations used cryptographic systems to conceal their secret intentions and plans from the spying eyes of enemies everywhere. Cryptanalysts, however, undeterred by the complexity of the crypto-systems, worked diligently, trying to find any sort of weakness that would allow a break into the cipher and expose the secrets contained within. During the late 1930s two nations, Japan and the United States, were in a nation of intense negotiations regarding various political conflicts. The US trying to indirectly help the Allies set numerous conditions for Japan that prevented her from receiving crucial resources and embarking on its agreed upon military commission with its European friends. In the midst of this, a machine cipher, codenamed Purple was performing a vital role in the war making policies for b oth Japan and the United States. A rarely told story about a secret operation in the US involved in breaking Japans most firm crypto-system reveals a truly remarkable set of events that not only shaped the outcome of WWII, but also spearheaded the launch of numerous intelligence agencies for protecting the citizens of its nations and preventing storm attacks such as the one on Pearl Harbor.Japans New Cipher MachineIn the early 1930s, the Japanese Navy purchased a commercial recitation of the German Enigma and proceeded to modify it by adding features which enhanced its security (Kahn 6). The system that evolved was one of the most secure cryptographic machines in the world. The machine was codenamed Red by the US government and was used to encrypt the highest level ... ...ng. March 01, 2004. http//www.faircount.com/web04/pearlharbor/pdfs/codebreakers.pdfHatch, A. David. Enigma and Purple How the Allies Broke German and Japanese Codes During the War. March 06, 2004.http//cadigweb .ew.usna.edu/Lwdj/papers/cryptoday/ swarm j,urple.psKahn, David. The Codebreakers. New York Scribner, 1996.Kurzeja, Karen. Pearl Harbor & Ciphering Methods. March 1, 2004. http//raphael.math.uic.edu/Jeremy/crypt/contrib/kurzeja.htmlMomsen, Bill. Codebreaking and Secret Weapons in World War II. March 07, 2004. http//home.earthlink.net/nbrassl/3enigma.htmPerloff, James. Pearl Harbor. The New American. December 8, 1986. http//www.thenewamerican.com/departments/feature/l 999/070499.htmYoung, brusk Pierce. Flame & Blame at Pearl Harbor. The Responsibility Question. March 01, 2004. http//www.microworks.net/pacific/special/flamel.htm