A new space switching technique in FV-style FHE allows seamless arithmetic and comparison on encrypted data with significant speedups over existing methods.
Bootstrapping for bgv and bfv revisited.Journal of Cryptology, 36(2):12, 2023
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Efficient Arithmetic-and-Comparison Homomorphic Encryption with Space Switching
A new space switching technique in FV-style FHE allows seamless arithmetic and comparison on encrypted data with significant speedups over existing methods.