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In this paper, steganography is used in a different way. Image is not transmitted over the channel rather image is used as a key between the sender and receiver means it acts as a shared key between the sender and receiver. The index array that contains the indices for their data hidden in the image is transmitted. Before transmitting divide and mean method is applied for increasing the complexity of the data. Steganography is how two communicating entities can send secret messages over a public channel so that third party cannot detect the presence of the secret message.
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