PrOtocols for WatERmarking (POWER)

摘要

This report results from a contract tasking Otto-von-Guericke University of Magdeburg as follows: Within the work on the POWER project the overall problems of realizing information assurance (trustworthiness in the sense of integrity and confidentiality) and information provenance (specifically authentication of digital data objects and their origin) with digital watermarking as an alternative or complement to cryptography for several application scenarios is addressed. The current problem in the application of watermarking techniques is that, while hundreds of different digital watermarking algorithms (as primitives or building blocks) exist, watermarking protocols (the rules for combining the building blocks into a working data communication system) are still a rather immature research field. But exactly such protocols would be required for the implementation of multi- user multiaccess/hierarchical-access scenarios as they are envisioned within POWER.