Welcome to the resource topic for 2022/186
Title:
Overflow-detectable Floating-point Fully Homomorphic Encryption
Authors: Seunghwan Lee, Dong-Joon Shin
Abstract:We propose a floating-point fully homomorphic encryption (FPFHE) based on torus fully homomorphic encryption equipped with programmable bootstrapping. Specifically, FPFHE for 32-bit and 64-bit floating-point messages are implemented, the latter being state-of-the-art precision in FHEs. Also, a ciphertext is constructed to check if an overflow had occurred or not while evaluating arithmetic circuits with FPFHE, which is useful when the message space or arithmetic circuit is too complex to estimate a bound of outputs such as deep learning applications.
ePrint: https://eprint.iacr.org/2022/186
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