Secure query processing with data interoperability in a cloud database environment

@inproceedings{Wong2014SecureQP,
  title={Secure query processing with data interoperability in a cloud database environment},
  author={Wai Kit Wong and Ben Kao and David Wai-Lok Cheung and Rongbin Li and Siu-Ming Yiu},
  booktitle={SIGMOD Conference},
  year={2014}
}
We address security issues in a cloud database system which employs the DBaaS model. In such a model, a data owner (DO) exports its data to a cloud database service provider (SP). To provide data security, sensitive data is encrypted by the DO before it is uploaded to the SP. Existing encryption schemes, however, are only partially homomorphic in the sense that each of them was designed to allow one specific type of computation to be done on encrypted data. These existing schemes cannot be… CONTINUE READING
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