Watermarking is not cryptography

Ingemar Cox 1 Gwenaël Doërr 1 Teddy Furon 2
2 TEMICS - Digital image processing, modeling and communication
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, Inria Rennes – Bretagne Atlantique
Abstract : The fields of cryptography and communications are quite distinct and while communications systems often combine technologies from the two fields, a layered architecture is applied that permits each layer to be independently designed. It is generally agreed that watermarking, i.e. the embedding and decoding of messages within content, is a form on communications, and is often modeled as spread spectrum communications or communications with side information. However, despite this, the layered architecture is not always present. And perhaps more concerning, an number of analogies to cryptographic concepts have been made which, we argue, are misleading or incorrect. In this paper, we highlight these analogies and discuss why they are inappropriate.
Type de document :
Communication dans un congrès
Springer-Verlag. Proc. Int. Work. on Digital Watermarking, inivited talk, 2006, Jeju island, South Korea. 2006, L.N.C.S
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Ingemar Cox, Gwenaël Doërr, Teddy Furon. Watermarking is not cryptography. Springer-Verlag. Proc. Int. Work. on Digital Watermarking, inivited talk, 2006, Jeju island, South Korea. 2006, L.N.C.S. 〈inria-00504528〉

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