Open Thesis Topics

Below we give examples for open thesis topics for bachelor and master projects. Students who attended at least one of our courses are very welcome to contact us regarding more unannounced topics or to apply for innovative self-proposed topics that match our research profile.

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• Evaluating Attacks on Encrypted Databases with Real-World Query Data

  Bachelor Thesis, Master Thesis

  The cryptographic community has created a number of structured encryption techniques that allow one or multiple clients to query outsourced encrypted databases (EDBs). These techniques transform the query into a token that the server can then use to compute the corresponding response. The existing schemes vary in functionality and in security, as they result in different kinds of information leakage about the queries. Current efficient schemes usually leak the access pattern (which documents satisfy a token) and the search pattern (whether tokens concern the same query).

  The goal of this thesis is to generate a wide range of individual, simulated query datasets based on public information of individuals. This data is to be used to gain a sense of how real-world queries are distributed across selected domains and to reduce assumptions in the empirical evaluation of EDB attacks. Evaluations of certain attacks should be carried out on varying simulated queries across different domains. go