File list (Check if you may need any files):
SARDH-fst\C1.png
.........\char-data.mat
.........\Char.m
.........\Char1.m
.........\Char1Ext.m
.........\CharExt.m
.........\emb-msg.mat
.........\ext-msg.mat
.........\img2bin.m
.........\lena512_gray.bmp
.........\S-emb.mat
.........\S-ext.mat
.........\.ARDH\bin2img.m
.........\.....\CatMsg.png
.........\.....\img2bin.m
.........\.....\lena512_gray.bmp
.........\.....\SARDHADPEMB.m
.........\.....\SARDHADPXT.m
.........\.....\Stegano_Char.png
.........\Scheck.m
.........\Stegano_Char.png
.........\SARDH
SARDH-fst