Cryptography is a technique which is used for the secured communication by changing the message or information into encoded format. Some special algorithm are used to encrypt the information

and the information exchange became secure. The algorithm used in cryptography are mathematical algorithm and coverts the plain text information unreadable coded format which is known as cipher text. While the process of cryptography , the information is encrypted by using a KEY which makes it more secure . Receiver  would not be  able to decrypt the information without knowing the key used to encrypt the information

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