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NTRU-based FHE for Larger Key and Message Space
April 26, 2024, 2:36 a.m. |
IACR News www.iacr.org
ePrint Report: NTRU-based FHE for Larger Key and Message Space
Robin Jadoul, Axel Mertens, Jeongeun Park, Hilder V. L. Pereira
The NTRU problem has proven a useful building block for efficient bootstrapping in Fully Homomorphic Encryption (FHE) schemes, and different such schemes have been proposed. FINAL (ASIACRYPT 2022) first constructed FHE using homomorphic multiplexer (CMux) gates for the blind rotation operation. Later, XZD+23 (CRYPTO 2023) gave an asymptotic optimization by changing the ciphertext format to enable ring automorphism evaluations. In …
asiacrypt block building encryption eprint report fhe fully homomorphic encryption homomorphic encryption key message problem report robin space
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