Index Obfuscation for Oblivious Document Retrieval in a Trusted Execution Environment

Alvin Oliver Glova
Alvin Oliver Glova
Yifan Qiao
Yifan Qiao

CIKM '20: The 29th ACM International Conference on Information and Knowledge Management Virtual Event Ireland October, 2020, pp. 1345-1354, 2020.

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Abstract:

This paper studies privacy-aware inverted index design and document retrieval for multi-keyword document search in a trusted hardware execution environment such as Intel SGX. The previous work uses time-consuming oblivious computing techniques to avoid the leakage of memory access patterns for privacy preservations in such an environment....More

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