Japans Purple Machine Essay -- Codes Communications Papers

Japans Purple Machine Codes and ciphers have played galore(postnominal) crucial roles in the past 3000 years, protecting the secrets of caesars and laymen. In World warfare II numerous nations used cryptographic systems to conceal their secret intentions and plans from the maculation eyes of enemies everywhere. Cryptanalysts, however, undeterred by the complexity of the crypto-systems, worked diligently, trying to find every sort of weakness that would allow a break into the cipher and learn the secrets contained within. During the late 1930s two nations, Japan and the United States, were in a state 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 mission with its European friends. In the midst of this, a automobile cipher, codenamed Purple was performing a vital role in the war making policies for bo th Japan and the United States. A rarely told chronicle about a secret operation in the US mingled in breaking Japans most secure crypto-system reveals a truly rare set of events that not only shaped the outcome of WWII, but in addition spearheaded the launch of numerous intelligence agencies for protecting the citizens of its nations and preventing surprise attacks such as the bingle on Pearl Harbor.Japans New Cipher MachineIn the early 1930s, the Japanese Navy purchased a commercial version of the German paradox and proceeded to modify it by adding rollicks 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.h ttp//cadigweb.ew.usna.edu/Lwdj/ text file/cryptoday/hatch 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, Frank Pierce. Flame & Blame at Pearl Harbor. The office Question. March 01, 2004. http//www.microworks.net/pacific/special/flamel.htm