Privacy-Preserving Multi-Keyword Searchable Encryption for Distributed Systems


YEAR :2021



As cloud storage has been widely adopted in various applications, how to protect data privacy while allowing efficient data search and retrieval in a distributed environment remains a challenging research problem. Existing searchable encryption schemes are still inadequate on desired functionality and security/privacy perspectives. Specifically, supporting multi-keyword search under the multi-user setting, hiding search pattern and access pattern, and resisting keyword guessing attacks (KGA) are the most challenging tasks. In this paper, we present a new searchable encryption scheme that addresses the above problems simultaneously, which makes it practical to be adopted in distributed systems. It not only enables multi-keyword search over encrypted data under a multi-writer/multi reader setting but also guarantees the data and search pattern privacy. To prevent KGA, our scheme adopts a multi-server architecture, which accelerates search response, shares the workload, and lowers the key leakage risk by allowing only authorized servers to jointly test whether a search token matches a stored ciphertext.


•System : Dual core.
•Hard Disk : 40 GB.
•Floppy Drive : 1.44 Mb.
•Monitor : 15 VGA Colour.
•Mouse : Logitech.
•Ram : 4 GB.


•Operating system : Windows XP/7/10/11.
•Coding Language : JAVA
•Data Base : MYSQL


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