Are 128 Bits Long Keys Possible in Watermarking?

Patrick Bas (1) , Teddy Furon (2)

1 Centrale Lille
2 TEXMEX - Multimedia content-based indexing

The question raised in this poster is the following: is the key length of a watermarking system proportional to the key length of the seed used to generate the watermark? For example, if a watermark is generated from a binary sequence of size n, does it means that the key length is 2n?

Domaines: Informatique [cs]; Réseaux et télécommunications [cs.NI]

Patrick Bas, Teddy Furon. Are 128 Bits Long Keys Possible in Watermarking?. 13th International Conference on Communications and Multimedia Security (CMS), Sep 2012, Canterbury, United Kingdom. pp.191-191, ⟨10.1007/978-3-642-32805-3_15⟩. ⟨hal-01540890⟩