Steg

Block Diagram of Steganography

Matlab code for LSB Steganography Data Hiding target=imread( image.jpg ); fid = fopen('message.txt','r'); F = fread(fid); s = char(F'); fclose(fid); sz1=size(original); size1=sz1(1)*sz1(2); sz2=size(F); size2=sz2(1); if size2> size1 fprintf('\nImage File Size %d\n',size1); fprintf('Text File Size %d\n',size2); disp('Text File is too Large'); else fprintf('\nImage File Size %d\n',size1); fprintf('Text File Size %d\n',size2); disp('Text File is Small'); i=1;j=1;k=1; while k