A key-recovery attack on authentication watermarking by li and yuan.

Hans Georg Schaathun A key-recovery attack on authentication watermarking by li and yuan. 221-226 2008 MM&Sec http://doi.acm.org/10.1145/1411328.1411365 conf/mmsec/2008 db/conf/mmsec/mmsec2008.html#Schaathun08