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Encryption has been in practice from long back ago. The best example is the Caesar who used the shift by three methods to encrypt his messages, which he used to send to his friends and his soldiers. As the time passed by the security becomes a major concern. Now even a slight leakage of information can cause lots of problem. You can take the example of the relationship between the two countries. We all know that information will be shared at various levels between them. Suppose the information at the top level leaks out. If the information goes in wrong hands then it might lead to the war. That is why subjects like cryptography have become very important. Hacking has definitely led to its popularity. Continue reading →