Security

Secured Message Transfer Using Steganography

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Executive Summary

Steganography is the efficient technique to provide secure data transmission over the network, as the number of users increases effectively. The cryptography is also used to provide security to data over network, but transmission of secured message may be detectable to third party. From security point of view, steganography does not allow to detect the presence of hidden secret other than indeed user, over the communication channel. In this paper, the authors design a system, which uses features of both cryptography as well as steganography, where TCP/IP header is used as a steganographic carrier to hide encrypted data. Steganography is a useful tool that allows covert transmission of information over the communications channel.

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