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ONLINE BUSINESS HELP

Keep Your Information Secure
By: Jonathan Stromberg
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    2007-04-09

    Table of Contents:
  • Keep Your Information Secure
  • Obviously, this method...
  • In cryptography...
  • Rijndael was evaluated...
  • This means that...

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    (Page 1 of 5 )

    Encryption is the process of storing information in a way so as to make it unreadable without special knowledge.Encryption has been used to protect communications and secure information for centuries, but only organizations and individuals with an great need for secrecy had made use of it.

    Julius Caeser is the first known user of an encryption system. His system was known as Caeser's keys. He wanted to send messages, but did not want the messengers to read them. To prevent this, he used an alphabetic substitution in his messages; replacing "A" with "D", "B" with "E", "C with "F", etc. The recipient of the message was aware of the secret of the encryption, so for him it was very straightforward to decipher the message.

    An example of a sentence using Caeser's keys is below. It is not difficult to see the pattern.
    Plain Text: THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG
    Cipher Text: WKH TXLFN EURZQ IRA MXPSHG RYHU WKH ODCB GRJ

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