lsb code\findtext.m ........\gui.asv ........\gui.fig ........\gui.p ........\hidetext.m ........\main.bmp ........\message.txt ........\new.bmp ........\new2.bmp ........\output.txt ........\read me.txt ........\screenshot.bmp ........\screenshot.jpg ........\secret.bmp lsb code