@conference {ih07, title = {Exploiting security holes in lattice data hiding}, booktitle = {International Workshop on Information Hiding (IH)}, series = {Lecture Notes in Computer Science}, year = {2007}, month = {11-13 June}, publisher = {Springer-Verlag Heidelberg}, organization = {Springer-Verlag Heidelberg}, address = {Saint-Malo, France}, keywords = {data-hiding, security, watermarking}, author = {Luis P{\'e}rez-Freire and Fernando P{\'e}rez-Gonz{\'a}lez} }