doi:10.3850/978-981-08-7301-1_1418

ABSTRACT

Cryptography is nothing but a way to provide some means to protect any data from the attack of an intruder especially when we are dealing with network services where we are not able to physically see the other party to whom we are communicating. So we need some type of authentication so that we are sure of the identity of the other party. Steganography is a cryptographic technique, which uses the art and science of wiring hidden messages in such a way that no one apart from the sender and intended recipient even realizes there is a hidden message. By contrast, cryptography obscures the meaning of a message, but it does not conceal the fact that there is a message.

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