Protocols for providing privacy using steganography

Matjaž Marolt (2013) Protocols for providing privacy using steganography. EngD thesis.

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Abstract

We are living in an era of computer communication. The development of technology has rendered sending thousands of characters per second very easy. Unfortunately, spying on the messages intended for a third person has also become easier. Ensuring message privacy is often crucial. To achieve it, however, it is necessary to apply cautious approaches, and cryptography is currently the most widely used. The thesis shows that concealed writing or steganography can also be successfully adopted in this respect. The thesis first outlines the basic features of steganography, followed by a presentation of the design and implementation of a protocol group for ensuring privacy in computer communication through steganography. In addition, the thesis describes various steganography techniques that have already been developed by different authors and points to their advantages and disadvantages. It concludes with an evaluation of the protocols we designed and implemented for the purpose of the thesis.

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