Keep Your Information Secure - Obviously, this method...
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Obviously, this method of encryption is not very secure. Though encryption has been around for thousands of years, only in the last century have we seen great advancement in the field of cryptography.
The invention of computers changed the face of cryptography completely. Computers were able to calculate much faster than the people who worked on them, and suddenly an encrypted message could be broken within a few minutes on a normal PC, and consequently the message was no longer secure. In response to the need for new and secure methods of encryption, the cryptographic world flourished in the latter part of the 20th century. In the mid-1970s, strong encryption emerged from the preserve of secretive government agencies into the public.
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