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Data Recovery on Encrypted Databases With k-Nearest Neighbor Query Leakage
Searchable Encryption Encrypted Databases Leakage-Abuse Attacks
2018/8/2
Recent works by Kellaris et al. (CCS’16) and Lacharite et al. (SP’18) demonstrated attacks of data recovery for encrypted databases that support rich queries such as range queries. In this paper, we d...
May-Ozerov Algorithm for Nearest-Neighbor Problem over $\mathbb{F}_{q}$ and Its Application to Information Set Decoding
code-based cryptography random linear code information set decoding
2016/3/4
May and Ozerov proposed an algorithm for the nearest-neighbor problem of vectors over the binary field at EUROCRYPT 2015. They applied their algorithm to the decoding problem of random linear codes ov...
Speeding-up lattice sieving without increasing the memory, using sub-quadratic nearest neighbor search
Nearest neighbor search lattice sieve
2015/12/30
We give a simple heuristic sieving algorithm for the m-dimensional
exact shortest vector problem (SVP) which runs in time 20.3112m+o(m)
. Unlike
previous time-memory trade-offs, we do not increase ...
New directions in nearest neighbor searching with applications to lattice sieving
Lattices Cryptanalysis
2015/12/21
To solve the approximate nearest neighbor search problem
(NNS) on the sphere, we propose a method using
locality-sensitive filters (LSF), with the property that
nearby vectors have a higher probabi...