On observable delegation of personal data by watermarking

Authors:
Sven Wohlgemuth;Günter Müller;Noboru Sonehara;Isao Echizen
Affiliations:
Institute of Computer Science and Social Studies, Telematics, Freiburg i.Br., Germany;Institute of Computer Science and Social Studies, Telematics, Freiburg i.Br., Germany;National Institute of Informatics, Tokyo, Japan;National Institute of Informatics, Tokyo, Japan
Venue:
CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference
Year:
2009

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Abstract

Privacy in business processes for personalized services is currently a matter of trust, since business processes require the delegation of personal data and users are not able to control their usage and so their delegation. Existing privacy-enhancing technologies like identity management systems consider access control but not the usage of personal data. Current work on usage control mainly considers classification and formalization of usage rules, so called obligations, and the delegation of personal data with a trusted third party (TTP). We investigate on digital watermarking in order to observe the enforcement of obligations for a delegation of personal data without a TTP.