Using Reversible Image Transformation an Overview on Document Leakage Detection with Steganography

Abstract

The world now depends more and more on the computer and the related systems directly or indirectly for
living. Information security is one of the major concerns in this System. Steganography are the most popular or widely
used information security scheme or techniques. It is the act of covert communications. The algorithms for hiding data or
message in a cover image, and extracting a message from a stego-image were implemented using C# programming
language. In this paper, LSB Replacement technique was adopted as the embedding method. In this paper we propose a
reversible high capacity data hiding method applying on binary images. We also proposed leakage detection and
prevention with the help of unique hash values of the document/images. The paper proposes a novel framework for
reversible data hiding in encrypted image (RDH-EI) based on reversible image transformation (RIT). Different from
previous frameworks which encrypt a plaintext image into a cipher text form; RIT-based RDH-EI shifts the semantic of
original image to the semantic of another image and thus protects the privacy of the original image. In our proposed
system, we proposed a new mosaic image technique in which we divide the image/pdf document into parts, and the parts
will then transformed, encrypted and encoded into target images.