Esteganografia de imagens em escala de cinza pela técnica de substituição

Abstract

In an increasingly dependent on technology and communication society, grows the need for creation of information protection techniques. Steganography is a technique in which information can to be communicating secretly by hiding in another information with changing its significance. This paper presents an approach of image steganography based on replacing the least significant bits (LSB) of steganography to generate digital images was made.