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区块链安全问题:研究现状与展望

韩璇 袁勇 王飞跃

韩璇, 袁勇, 王飞跃. 区块链安全问题:研究现状与展望. 自动化学报, 2019, 45(1): 206-225. doi: 10.16383/j.aas.c180710
引用本文: 韩璇, 袁勇, 王飞跃. 区块链安全问题:研究现状与展望. 自动化学报, 2019, 45(1): 206-225. doi: 10.16383/j.aas.c180710
HAN Xuan, YUAN Yong, WANG Fei-Yue. Security Problems on Blockchain: The State of the Art and Future Trends. ACTA AUTOMATICA SINICA, 2019, 45(1): 206-225. doi: 10.16383/j.aas.c180710
Citation: HAN Xuan, YUAN Yong, WANG Fei-Yue. Security Problems on Blockchain: The State of the Art and Future Trends. ACTA AUTOMATICA SINICA, 2019, 45(1): 206-225. doi: 10.16383/j.aas.c180710

区块链安全问题:研究现状与展望

doi: 10.16383/j.aas.c180710
基金项目: 

国家自然科学基金 71702182

国家自然科学基金 71472174

国家自然科学基金 61233001

国家自然科学基金 61533019

国家自然科学基金 71232006

详细信息
    作者简介:

    韩璇   中国科学院自动化研究所复杂系统管理与控制国家重点实验室助理工程师.2018年获得中国科学院大学软件工程硕士学位.主要研究方向为理论密码与区块链技术.E-mail:xuan.han@ia.ac.cn

    王飞跃   中国科学院自动化研究所复杂系统管理与控制国家重点实验室主任, 国防科技大学军事计算实验与平行系统技术研究中心主任, 中国科学院大学中国经济与社会安全研究中心主任, 青岛智能产业技术研究院院长.主要研究方向为平行系统的方法与应用, 社会计算, 平行智能以及知识自动化.E-mail:feiyue.wang@ia.ac.cn

    通讯作者:

    袁勇  中国科学院自动化研究所复杂系统管理与控制国家重点实验室副研究员.青岛智能产业技术研究院副院长.2008年获得山东科技大学计算机软件与理论专业博士学位.主要研究方向为社会计算, 计算广告学, 区块链技术.本文通信作者.E-mail:yong.yuan@ia.ac.cn

Security Problems on Blockchain: The State of the Art and Future Trends

Funds: 

National Natural Science Foundation of China 71702182

National Natural Science Foundation of China 71472174

National Natural Science Foundation of China 61233001

National Natural Science Foundation of China 61533019

National Natural Science Foundation of China 71232006

More Information
    Author Bio:

      Assistant engineer at the State Key Laboratory for Management and Control of Complex Systems, Institute of Automation, Chinese Academy of Sciences. She received her master degree in software engineering from University of Chinese Academy of Sciences in 2018. Her research interest covers theory of cryptography and blockchain technology

       State specially appointed expert and director of the State Key Laboratory for Management and Control of Complex Systems, Institute of Automation, Chinese Academy of Sciences. Professor of the Research Center for Computational Experiments and Parallel Systems Technology, National University of Defense Technology. Director of China Economic and Social Security Research Center in University of Chinese Academy of Sciences. Dean of Qingdao Academy of Intelligent Industries. His research interest covers methods and applications for parallel systems, social computing, parallel intelligence, and knowledge automation

    Corresponding author: YUAN Yong    Associate professor at the State Key Laboratory for Management and Control of Complex Systems, Institute of Automation, Chinese Academy of Sciences. He is also the vice president of Qingdao Academy of Intelligent Industries. He received his Ph. D. degree of computer software and theory from Shandong University of Science and Technology in 2008. His research interest covers social computing, computational advertising, and blockchain. Corresponding author of this paper
  • 摘要: 区块链是比特币底层的核心技术,展示了在自组织模式下实现大规模协作的巨大潜力,为解决分布式网络中的一致性问题提供了全新的方法.随着比特币的广泛流通和去中心化区块链平台的蓬勃发展,区块链应用也逐渐延伸至金融、物联网等领域,全球掀起了区块链的研究热潮.然而,区块链为无信任的网络环境提供安全保障的同时,也面临安全和隐私方面的严峻挑战.本文定义了区块链系统设计追求的安全目标,从机制漏洞、攻击手段和安全措施三方面对区块链各层级的安全问题进行全面分析,提出了区块链的平行安全概念框架,并总结未来区块链安全问题的研究重点.本文致力于为区块链研究提供有益的安全技术理论支撑与借鉴.
    1)  本文责任编委 魏庆来
  • 图  1  比特币区块链结构

    Fig.  1  Structure of bitcoin blockchain

    图  2  区块链安全目标

    Fig.  2  Security objectives on blockchain

    图  3  区块链体系架构

    Fig.  3  The basic framework of blockchain

    图  4  区块链的安全问题

    Fig.  4  Security threats on blockchain

    图  5  区块链的平行安全框架

    Fig.  5  A framework of parallel security on blockchain

    表  1  量子计算对一般密码算法的影响[27]

    Table  1  Impact of quantum computing on common cryptographic algorithms [27]

    密码算法类型功能安全性影响
    AES对称密码加密攻击难度减半
    SHA-2, SHA-3-哈希函数攻击难度减半
    RSA公钥密码加密攻破
    ECDSA, ECDH公钥密码签名, 密钥交换攻破
    DSA公钥密码签名, 密钥交换攻破
    下载: 导出CSV
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