ISBN-13: 9786138242581 / Angielski / Miękka / 2018 / 92 str.
Steganography is the art of secret communication between two parties that not only conceals the contents of a message, but also its existence. Steganography can be used in many applications. In commercial sector, data hiding techniques can be used to enforce copyright on a digital medium. The access control information can be embedded inside the digital medium which can eventually be verified by the media player before playing the file.