@conference {acm06:kma, title = {On achievable security levels for lattice data hiding in the Known Message Attack scenario}, booktitle = {ACM Workshop on Multimedia and Security (MMSEC)}, year = {2006}, month = {September}, pages = {68-79}, publisher = {ACM}, organization = {ACM}, address = {Geneva, Switzerland}, keywords = {data-hiding, security, watermarking}, author = {Luis P{\'e}rez-Freire and Fernando P{\'e}rez-Gonz{\'a}lez and Teddy Furon} }