@article {tifs06security, title = {Security of lattice-based data hiding against the Known Message Attack}, journal = {IEEE Transactions on Information Forensics and Security}, volume = {1}, number = {4}, year = {2006}, month = {December}, pages = {421-439}, keywords = {data-hiding, security, watermarking}, author = {Luis P{\'e}rez-Freire and Fernando P{\'e}rez-Gonz{\'a}lez and Teddy Furon and Pedro Comesa{\~n}a} }