计算机科学 ›› 2018, Vol. 45 ›› Issue (2): 32-39.doi: 10.11896/j.issn.1002-137X.2018.02.006
丁庆洋,王秀利,朱建明,宋彪
DING Qing-yang, WANG Xiu-li, ZHU Jian-ming and SONG Biao
摘要: 信息物理融合系统(Cyber-Physical System,CPS)受到了学术界的广泛关注,其面临的安全性问题及防护措施也日益成为领域研究热点。通过梳理现阶段国内外关于CPS安全问题及其防护措施的研究成果发现,基于整体多层次统筹以及分布式架构的防护措施成为了当前的研究导向,这与区块链技术的整体性分布式架构特征相一致。在区块链分布式拓扑结构及其信息安全特性的基础上,提出了融合区块链技术与CPS的防护思想,论证了结合二者的可能性,并构建了实现二者深入融合的BCCPS框架机制。重点介绍了BCCPS框架在基础层级和集成层级两个层面上的具体构造情况。最后,从信息安全的保密性、完整性、可用性、可追溯性4个维度论证了BCCPS框架的安全性。该研究为建立安全、健壮的CPS提供了新思路。
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