A new space switching technique in FV-style FHE allows seamless arithmetic and comparison on encrypted data with significant speedups over existing methods.
Amortized functional bootstrapping in less than 7 ms, with ˜O(1)polynomial multiplications
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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.