Searchable Encrypted Relational Databases: Risks and Countermeasures

Mohamed Ahmed Abdelraheem, Tobias Andersson, Christian Gehrmann

Forskningsoutput: Bidrag till övrig tidskrift/dags- eller nyhetstidningArtikel i facktidskrift eller populärpressForskning


We point out the risks of protecting relational databases via Searchable Symmetric Encryption (SSE) schemes by proposing an inference attack exploiting the structural properties of relational databases. We show that record-injection attacks mounted on relational databases have worse consequences than their file-injection counterparts on un- structured databases. Moreover, we discuss some techniques to reduce the effectiveness of inference attacks exploiting the access pattern leakage existing in SSE schemes. To the best of our knowledge, this is the first work that investigates the security of relational databases protected by SSE schemes.
Antal sidor20
SpecialistpublikationCryptology ePrint Archive
StatusPublished - 2017 jan. 10

Ämnesklassifikation (UKÄ)

  • Annan elektroteknik och elektronik


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