Zolotavkin Y. Methods and means for steganographical information security resistance increase under passive attack circumstances

The thesis is devoted to the steganographical information security resistance providing under passive attack circumstances and software means developing for navigation trajectory protection. For thesis task solving the image segment embedding method was developed and image fractal code embedding method was refined which allows to increase attack resistance level up to 32% and to decrease embedding time from 20 to 1000 times accordingly. These figures were confirmed experimentally during "StegoFractal" software program approbation based on new proposed mathematical models of steganographical transformations and image fractal code embedding. The last was defined by implementing the developed criterion of steganographical resistance under passive attack circumstances.