无线体域网中云外包可撤销的属性加密方案  

Cloud Outsourcing Attribute-Based Encryption Scheme with Revocation in Wireless Body Area Networks

作　　者：郝瑞[1] 修磊[2] 

机构地区：[1]山西财经大学信息管理学院,山西太原030006 [2]山西财经大学统计学院,山西太原030006

出　　处：《山西大学学报（自然科学版）》2017年第2期267-272,共6页Journal of Shanxi University(Natural Science Edition)

基　　金：国家自然科学基金(61202365);山西财经大学校青年基金(QN2015014)

摘　　要：无线体域网(wireless body area networks,WBANs)在远程医疗、健康监测等服务领域有着广泛的应用前景,为了减少数据访问者和数据拥有者的计算量,提供低延迟的辅助医疗服务,结合数字信封技术提出云外包可撤销的属性加密方案,该方案将解密密钥分为两部分,采用云服务器对密文部分解密的方法,使得属性撤销操作不会对数据访问者和数据拥有者产生影响,分析证明该方案充分发挥云计算的优势,高效地对数据进行加密处理,并且方案也保证了数据的机密性,并具有抗共谋攻击。Wireless body area networks （WBANs） have a wide applied prospect in the fields of remote medical treatment, health monitoring, etc. In order to reduce the computational complexity of data users and data owners, and to provide the low-latency auxiliary medical services, this paper proposes a cloud out-sourcing attribute-based encryption scheme with revocation by applying digital envelope technology. This scheme divides the decryption key into two parts. The data users and data owners are not affected by revoking attributes since the cloud servers are used to decrypt the part of the cipher-text. Our scheme takes full advantage of cloud computing to encrypt the data efficiently and guarantees the confidentiality of the data. Furthermore, the scheme has anti-collusion attack.

关 键 词：无线体域网 云外包 访问控制 属性撤销 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]