April 2016
Intermediate to advanced
300 pages
7h 14m
English
Steganography is the science and art of covert communications and involves two procedures. First, the required message is concealed in a particular carrier, e.g., image, audio, text, etc., that is called a steganographic cover. The second procedure is concerned with transmitting the cover to the message recipient without drawing suspicion. Fundamentally, the steganographic goal is not to hinder the adversary from decoding a hidden message, but to prevent the adversary from suspecting the existence of covert communications. When using any steganographic technique, if suspicion is raised, the goal of steganography is defeated regardless of whether a plain text is revealed. Contemporary steganography approaches camouflage data as noise ...