全同态加密软硬件加速研究进展  被引量:1

A Survey on Software-hardware Acceleration for Fully Homomorphic Encryption

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作  者:边松 毛苒 朱永清 傅云濠 张舟 丁林[2] 张吉良[2] 张博 陈弈 董进 关振宇 BIAN Song;MAO Ran;ZHU Yongqing;FU Yunhao;ZHANG Zhou;DING Lin;ZHANG Jiliang;ZHANG Bo;CHEN Yi;DONG Jin;GUAN Zhenyu(School of Cyber Science and Technology,Beihang University,Beijing 100191,China;College of Semiconductors(College of Integrated Circuits),Hunan University,Changsha 410000,China;The Beijing Academy of Blockchain and Edge Computing,Beijing 100080,China)

机构地区:[1]北京航空航天大学网络空间安全学院,北京100191 [2]湖南大学半导体学院(集成电路学院),长沙410000 [3]北京微芯区块链与边缘计算研究院,北京100080

出  处:《电子与信息学报》2024年第5期1790-1805,共16页Journal of Electronics & Information Technology

基  金:国家重点研发计划(2023YFB3106200);国家自然科学基金(62002006,62172025,U21B2021,61932011,61932014,61972018,61972019,62202028,U2241213);国防基础科研项目(JCKY2021211B017)。

摘  要:全同态加密(FHE)是一种重计算、轻交互的多方安全计算协议。在基于全同态加密的计算协议中,尽管计算参与方之间无需多轮交互与大量通信,加密状态下的密态数据处理时间通常是明文计算的10~3~10~6倍,极大地阻碍了这类计算协议的实际落地;而密态数据上的主要处理负担是大规模的并行密码运算和运算所必须的密文及密钥数据搬运需求。该文聚焦软、硬件两个层面上的全同态加密加速这一研究热点,通过系统性地归类及整理当前领域中的文献,讨论全同态加密计算加速的研究现状与展望。Fully Homomorphic Encryption(FHE)is a multi-party secure computation protocol characterized by its high computational complexity and low interaction requirements.Although there is no need for multiple rounds of interactions and extensive communications between computing participants in protocols based on FHE,the processing time of encrypted data is typically to times of that of plaintext computing,and thus significantly hinders the practical deployment of such protocols.In particular,the large-scale darallel cryptographic operations and the cost of data movement for the ciphertext and key data needed in the operations become the dominating performance bottlenecks.The topic of accelerating FHE in both the software and the hardware layers is discussed in this paper.By systematically categorizing and organizing existing literatures,a survey on the current status and outlook of the research on FHE is presented.

关 键 词:全同态加密 同态算法 密码硬件加速 

分 类 号:TN918.4[电子电信—通信与信息系统] TP309.2[电子电信—信息与通信工程]

 

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