Welcome to the resource topic for 2022/874
Title:
Lattice Codes for Lattice-Based PKE
Authors: Shanxiang Lyu, Ling Liu, Junzuo Lai, Cong Ling, and Hao Chen
Abstract:The public key encryption (PKE) protocol in lattice-based cryptography (LBC) can be modeled as a noisy point-to-point communication system, where the communication channel is similar to the additive white Gaussian noise (AWGN) channel. To improve the error correction performance, this paper investigates lattice-based PKE from the perspective of lattice codes. We propose an efficient labeling function that converts between binary information bits and lattice codewords. The proposed labeling is feasible for a wide range of lattices, including Construction-A and Construction-D lattices. Based on Barnes-Wall lattices, a few improved parameter sets with either higher security or smaller ciphertext size are proposed for FrodoPKE.
ePrint: https://eprint.iacr.org/2022/874
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