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Privacy issues have hindered centralised authentication approaches from being adopted by a wide range of users. This also applies to authorizations which suffer from privacy problems when stored and processed centrally. We present first steps towards a framework of privacy-aware handling of authorizations. We split up the storage and the processing of access control policies in a user-centric approach. We illustrate our approach at the example of a security infrastructure scenario.
Date of Conference: 13-15 June 2007