Cryptography And The World Wide Web Essay examples

Cryptography And The World Wide Web Essay examples

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For thousands of years cryptography and encryption have been used to secure communication. Military communication has been the leader of the use of cryptography and the advancements. From the start of the internet there has been a greater need for the use of cryptography. The computer had been invented in the late 1960s but there was not a widespread market for the use of computers really until the late 1980s, where the World Wide Web was invented in 1989. This new method of communication has called for a large need for information security. The internet allows people to communicate sensitive information, and if received into the wrong hands can cause many problems for that person.
Cryptography is the study or science of techniques of secret writing and message hiding. Cryptography constitutes any method in which someone attempts to hide a message, or the meaning in some medium. One specific element of cryptography is encryption, which hides the data or information by transforming it into an undecipherable code. Encryption uses a specified key to perform the data transformation. The length of the key for the encryption can vary from being very short to extremely long and the length of the message being encrypted.
Encryption is used in everyday life most commonly used among transactions over insecure channels of communication. The protection of data being transferred between ATMs and the bank, and the use of cell phones is the most common everyday encounter with encryption. To encrypt and dec...


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...re not able to break the code.
Arther Scherbius invented the Enigma, an electro-mechinal machine used for encryption and decryption of coded messages. The machine allowed up to 10114 configerations, making the Egnima almost completely unbreakable. The biggest downfall of the Egnima was no letter could be replaced by itself, which allowed allied cryptographers to decrypt many messages sent by the Germans. During the time Allied forces used to crack the Egnima, the Japanese built their own encryption machine called Purple. The Japanese were very thourough in the destroying of their Purple machine; not one complete Purple machine has been recovered. An American team broke Purples code and were now able to intercept Japanese secrets during World War II.

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