mšglich sind. Die BeitrŠge dieser Dissertation sind im Einzelnen: - Wir untersuchen die Eignung sog. Privacy … operations over encrypted data, also known as privacy homomorphisms, for creating protocols that could enable secure database … possibilities for achieving confidentiality when performing the routing. Compared to the existing works, which fail in providing …

range of different information sources. In more sensitive application areas however, the privacy of the data holders can be … of detail, patients are only willing to provide data when their privacy is guaranteed. This conflict of interest between … with a solution that is satisfactory to both. The specific contributions of this thesis are the following: - Privacy …