Attack on Sebe, Domingo-Ferrer and Herrera-Joancomarti fingerprinting schemes

Sebeʹ and Domingo-Ferrer proposed in a recent letter a fingerprinting scheme that exploits the properties of dual binary Hamming codes to reduce the length of fingerprints. The authors show that this scheme is subject to an attack in which a collusion of (any) three buyers can frame an innocent buyer.