公开(公告)号：US20230269067A1

公开(公告)日：2023-08-24

申请号：US17968375

申请日：2022-10-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongrak SON ,  Sangpyo KIM ,  Jongmin KIM ,  Jungho AHN ,  Hanbyeul NA ,  Youngsik MOON ,  Junho SHIN

IPC: H04L9/00 ,  H04L9/06 ,  G06F7/72

CPC classification number: H04L9/008 ,  G06F7/722 ,  H04L9/0618 ,  H04L2209/122

Abstract: A method of operating a homomorphic encryption operation accelerator includes performing a number theoretic transform (NTT) operation on each of first homomorphic ciphertext and second homomorphic ciphertext, and performing a base conversion operation by adding a partial sum using a first value of the NTT operation.