What is Cryptography??

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Cryptography is an unending game of intellectual leapfrog between codemakers and codebreakers. The moment a new code is devised, someone somewhere gets to work trying to crak it. But some of the toughest codes come from the simplest ideas. In the Second World War, for example, the US Army used Navajo Indians as radio operators because their language was so complex and obscure that ift functioned as a code: there was no possibility of any enemy being able to speak it. Today's battles are comercial, as global companies fight to find ways of keeping Internet correspondence secret. Do you have any other opinion share it here.