Abstract
We address security issues in a cloud database system which employs the DBaaS model --- a data owner (DO) exports 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. Compared to existing secure query processing systems like CryptDB [7] and MONOMI [8], in which data operations (e.g., comparison or addition) are supported by specialized encryption schemes, our demo system, SDB, is implemented based on a set of data-interoperable secure operators, i.e., the output of an operator can be used as input of another operator. As a result, SDB can support a wide range of complex queries (e.g., all TPC-H queries) efficiently. In this demonstration, we show how our SDB prototype supports secure query processing on complex workload like TPC-H. We also demonstrate how our system protects sensitive information from malicious attackers.
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