BRASP combines Hilbert-curve prefix encoding with dual-server index shuffling to support efficient Boolean range queries over encrypted spatial data while hiding search and access patterns.
arXiv preprint arXiv:2102.09651 (2021) 22 J
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BRASP: Boolean Range Queries over Encrypted Spatial Data with Access and Search Pattern Privacy
BRASP combines Hilbert-curve prefix encoding with dual-server index shuffling to support efficient Boolean range queries over encrypted spatial data while hiding search and access patterns.