Поиск

Полнотекстовый поиск:
Где искать:
везде
только в названии
только в тексте
Выводить:
описание
слова в тексте
только заголовок

Рекомендуем ознакомиться

Остальные работы->Реферат
The two children’s books that I will compare and contrast are: 1) When We Married Gary, which is about a single mother with two daughters who remarrie...полностью>>
Остальные работы->Реферат
Throughout the history of the U.S., voting has been a very important part of the way that our country is run, because voting has been very important s...полностью>>
Остальные работы->Реферат
Affirmative action is a step backwards. We are back to color and race differences. We are all Americans. Affirmative action should be abolished solely...полностью>>
Остальные работы->Реферат
Many parables originated from Christianity. One of the most well-known ones is the Prodigal Son. In fact, due to its popularity, it is often quoted fr...полностью>>

Главная > Реферат >Остальные работы

Сохрани ссылку в одной из сетей:

Enigma Essay, Research Paper

What is an Enigma? Enigma ?means a mystery? (Guynn).

Although there are several alternative meanings, to the Germans this meant a thin line between victory and defeat. During World War II the allies not only intercepted encrypted messages, they broke them but not without the help of A.M. Turing.

?In the early years of World War II,? (Sales), the airways in Poland were flooded with coded messages that created confusion with the ?cryptanalyst working in the cipher bureau? (Maziakowski). Over a several years over Poland received thousands of messages but still hadn?t any luck.

In 1930 they had found the source of their problem. Germany had hired, ?Hans Schmidt, who invented the enigma machine?, (Sales). This machine enabled Germany to send messages effortlessly with the security of knowing the codes could not be broken. Initially there was only one machine that was to be used as a public machine, but soon the German military contracted Schmidt to build a machine that the German Military could only use. It wasn?t until 1932 that ?the enigma code was broken by Marian Rejewski? (Maziakowski) that Poland started to feel the fear of an oncoming invasion by Germany. Without the knowledge of the break in security, Germany sent out a machine to every military outpost in preparations for war. The Polish government then listened closely to the airways, trying to pick up any information they could. They sent spies out to intercept messages in hopes of learning more about their neighbor?s plans.

It was only by chance that the polish government was able to break the enigma code the first time. A man working at the Head Quarters in Berlin contacted a French operative in hopes of exchanging sensitive information for money. The French agreed and after exchanging money and information several times they found it of little use and then forwarded it to the Polish who you might say found the Holy Grail of information. Nearing the end of the exchanges between the French operative and the inside man, there was a particular document that was passed, its value would cost the French one hundred thousands dollars, an equivalent of 1 million dollars in today?s market, for a complete diagram of the enigma machine. This did little to help France and they once again sent the information right to the Poles. With this ?Marian Rejewski? to ?mathematically determine the wiring of one of the three routers? (Maziakowski). He next used the diagram to invent a machine he called a ?bombe?. This machine would take the two keys that were repeated at the first of each transmission and enter them into the machine; the machine would then use those to determine the day key which would enable them to decode every message sent that day. This was great for a while, but they soon found that they were to be invaded. The Polish government then decided to pass everything that they had learned on to the allies in hopes that they could use this information to a far greater need than they themselves had.

With the help of one man and an entire government division the allies broke through the enigma code after the black out which caused the Poles to fall to the Germans. Shortly after receiving the information from Poland, Great-Britain along with the rest of the allies set up a division in London called ULTRA. It was to be located at Bletchley Park and be named Project X. Only those who had clearance to top-secret information were privileged with this information. Ultra consisted of the most intellectual of people. Most were mathematicians or cryptanalyst, but there were those who were cross-word puzzle fanatics or the chess grandmasters who made their contributions, but there was one person who stood out from the crowd. ?Alan Matheson Turing was an honorable man?(Hodges) who fit a profile unlike most their. He was seen most of the time hair messed up, cloths wrinkled and eyes always hidden beneath intercepts. Only after a few weeks of work, Turing had found a chink the in the Germans seamlessly invisible armor. They would send out a weather report every morning and every evening and would always comprise of the same words. Turing caught on to this quickly and took advantage of it. He would start the day with these intercepts and would spend all day cracking them and then that evening he would have the day key and could decrypt the messages, but he sought out to find a faster way as they always seemed to be a day behind. The Polish had the idea when they started using the ?Bombe?. Turing decided he would modify the ?bombe? they already had to suit his needs. He took it and transformed it to go through each possibility and search for the day key based on what words people might think the enciphered text might be.

This started a chain-reaction which caused the entire German offensive to crumble into ashes. Ultra and Turing had done what most deemed impossible.

From before the war till the end, the enigma code remained a significant resource for the allies. A.m. Turing was a great mathematician who ?we owe a great debt?(Hodges), and as for the Polish will always be remembered for their early efforts which lead to the German Demise.


Загрузить файл

Похожие страницы:

  1. Philosophy Time Essay Research Paper Time is

    Реферат >> Остальные работы
    Philosophy: Time Essay, Research Paper Time is defined as a measured or ... terms, then this mysterious enigma would not be in debate ... If you know what the speed of an electron is, then you can ... it to be. What is unknown, is why time is perceived differently from ...
  2. Othello Essay Research Paper Othello is considered

    Реферат >> Остальные работы
    Othello Essay, Research Paper Othello is considered to be the most ... was merely a If I am going down, someone is coming with me mentality. While ... Shakespeare, and in this evil ensign Shakespeare created the first self ...
  3. Siddhartha 4 Essay Research Paper Siddhartha is

    Реферат >> Остальные работы
    Siddhartha 4 Essay, Research Paper Siddhartha is a young man on a long ... the ultimate answer to the enigma of a man s role ... [Siddhartha] would not become an ordinary Brahmin, a lazy sacrificial ... looked at him with a thousand eyes green, white, crystal, sky ...
  4. Enigma Machine Essay Research Paper Enigma MachineThe

    Реферат >> Остальные работы
    Enigma Machine Essay, Research Paper Enigma Machine The German Light Cruiser ... of this rotation is that after each letter is encrypted, an entirely new letter ... because the rotors are moved with each letter, the letter mapping depends ...
  5. Enochian Scripture Essay Research Paper Enochian ScriptureShould

    Реферат >> Остальные работы
    Enochian Scripture Essay, Research Paper Enochian Scripture Should Enochian Scripture and the Necronomicon be ... Alhazred used similar techniques (and an incense composed of olibanum, ... was very familiar with the works of Proclus. What is The Necronomicon? ...

Хочу больше похожих работ...

Generated in 0.0020999908447266