密码应用:从安全通信到数据可用不可见  

Applications of Cryptography:From Secure Communication to Utilization over Encrypted Data

作　　者：任奎[1] 张秉晟 张聪[1] REN Kui;ZHANG Bing-Sheng;ZHANG Cong(School of Cyber Science and Technology,Zhejiang University,Hangzhou 310007,China)

机构地区：[1]浙江大学网络空间安全学院,杭州310007

出　　处：《密码学报（中英文）》2024年第1期22-44,共23页Journal of Cryptologic Research

基　　金：国家重点研发计划(2023YFB2904000,2021YFB3101601,2023YFB3106000);国家自然科学基金(62032021,62072401,62232002)。

摘　　要：随着信息革命的浪潮,计算机、互联网、物联网、人工智能等领域飞速发展,网络空间已成为现代社会的重要组成部分,并在各个方面改变着人们的生活生产方式.另一方面,网络空间快速发展导致的信息泄漏、隐私侵犯等问题愈发严峻,人们对数据安全与隐私保护的需求也日益高涨.面向不断增加的安全与隐私需求,相关密码技术持续演进,并广泛应用于金融、医疗、教育、政务等各个领域,以确保对敏感信息和数据资产的安全保护.本文围绕信息技术在不同发展阶段下的重要应用场景及研究热点,聚焦互联网信息传输、云端存储、区块链加密货币、电子投票、Web3.0以及隐私计算,阐释密码技术在相关领域典型应用示范.With the wave of the information revolution,many fields such as computers,the Internet,the Internet of Things,and artificial intelligence have rapid development.Cyberspace has become an integral component of modern society,profoundly altering various aspects of people's lifestyles and modes of production.On the other hand,the rapid expansion of cyberspace has exacerbated issues related to information leaks and privacy infringements,leading to an increasingly severe demand for data security and privacy protection.In response to the growing demands for security and privacy,relevant cryptographic technologies have evolved continuously and found widespread applications in various domains such as finance,healthcare,education,and government affairs,to ensure the secure safeguarding of sensitive information and data assets.This paper is structured around the critical application scenarios and research focal points of information technology in different developmental stages.It places specific emphasis on Internet data transmission,cloud storage,blockchain-based cryptocurrencies,electronic voting,Web 3.0,and privacy computing,elucidating typical demonstrations of cryptographic technology's application in these relevant domains.

关 键 词：密码应用 隐私保护 信息安全 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]