The steganography systems of priv are examined, inthat the task of secretive information transfer decides not only by the concealment of rich in content part of reports but also by the concealment of fact of organization of channels of secretive data. The basic are investigated steganography transformation with the use of technology of direct expansion of spectrum. The flow diagrams of devices of steganography concealment and withdrawal of data are offered in the spatial area of immobile images with the use of direct expansion.
steganography, protection to information, steganocontainer
"Stehanohrafichnyi zakhyst informatsii iz vykorystanniam priamoho rozshyrennia spektru" ,
Scientific Works of Kharkiv National Air Force University,