no code implementations • 13 May 2020 • Sharad Mehrotra, Shantanu Sharma, Jeffrey D. Ullman, Dhrubajyoti Ghosh, Peeyush Gupta
We, first, provide a new security definition, entitled partitioned data security for guaranteeing that the joint processing of non-sensitive data (in cleartext) and sensitive data (in encrypted form) does not lead to any leakage.
no code implementations • 20 Dec 2018 • Sharad Mehrotra, Shantanu Sharma, Jeffrey D. Ullman, Anurag Mishra
Despite extensive research on cryptography, secure and efficient query processing over outsourced data remains an open challenge.