信息安全研究2024，Vol.10Issue(6)：513-518,6.DOI:10.12379/j.issn.2096-1057.2024.06.04
基于商密SM9算法同态加密方案
Homomorphic Encryption Scheme Based on Commercial Cryptography SM9
秦体红 1汪宗斌 1刘洋 1马姚 1刘金华1
作者信息
- 1. 北京信安世纪科技股份有限公司 北京 100096
- 折叠
摘要
Abstract
Homomorphic encryption(HE)is considered to be one of the most important cryptographic techniques in privacy protection applications.The SM9 algorithm is a commercial cryptographic algorithm standard published in China,but it does not has the homomorphic property.In this paper,based on the algorithm of SM9,we designs a cryptographic scheme with homomorphic properties based on PKI system.The newly designed algorithm simultaneously possesses the homomorphic properties of addition and multiplication.It satisfy the addition homomorphic property of arbitrary ciphertext and a ciphertext multiplication operation,Additionally,the ciphertext still satisfies the addition homomorphic property and scalar multiplication after multiplication operations.This scheme is suitable for privacy calculation:such asquadratic polynomials and provides selective plaintext attack(IND-CPA)security.关键词
同态加密/椭圆曲线/双线性对/SM9/隐私计算Key words
homomorphic encryption/elliptic curves/bilinear pairing/SM9/privacy computing分类
信息技术与安全科学引用本文复制引用
秦体红,汪宗斌,刘洋,马姚,刘金华..基于商密SM9算法同态加密方案[J].信息安全研究,2024,10(6):513-518,6.
