移动医疗中一种匿名代理可追踪隐私保护方案

罗恩韬; 段国云; 周雷; 朱小玉

doi:10.7544/issn1000-1239.2020.20190307

移动医疗中一种匿名代理可追踪隐私保护方案

¹( 湖南科技学院电子与信息工程学院湖南永州 425199)
²( 湖南科技学院信息与网络中心湖南永州 425199)
³( 美国韦恩州立大学计算机科学系美国密歇根底特律 48202)
⁴( 中南大学信息科学与工程学院长沙 410083) (cs_entaoluo@csu.edu.cn)

基金项目: 国家自然科学基金重点项目(61632009)；国家自然科学基金面上项目(61472451,61402543,61272151,61502163)；湖南省自然科学基金面上项目(2018JJ2147)；湖南省自然科学基金青年项目(2018JJ3203)；湖南省教育厅科学研究项目(2015C0589,17C0679)；湖南科技学院应用特色学科建设项目

详细信息

中图分类号: TP393
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出版历程
- 发布日期: 2020-04-30

An Anonymous Agent Tracking Privacy Preserving Scheme in Mobile Healthcare System

¹( School of Electronics and Information Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199)
²( Information and Network Center, Hunan University of Science and Engineering, Yongzhou, Hunan 425199)
³( Department of Computer Science, Wayne State University, Detroit, MI, USA 48202)
⁴( School of Information Science and Engineering, Central South University, Changsha 410083)

Funds: This work was supported by the Key Program of the National Natural Science Foundation of China (61632009), the General Program of the National Natural Science Foundation of China (61472451, 61402543, 61272151, 61502163), the General Program of the Natural Science Foundation of Hunan Province of China (2018JJ2147), the Natural Science Foundation of Hunan Province of China for Young Scientists (2018JJ3203), the Scientific Research Foundation of Hunan Provincial Education Department (2015C0589, 17C0679), and the Construct Program of Applied Characteristic Discipline in Hunan University of Science and Engineering.

摘要

摘要: 针对移动医疗高峰情况下医生的服务瓶颈，提出利用医生授权代理计算医疗用户的实时隐私数据，从而减轻医生的负担和提高服务的灵活性，运用属性加密技术对医疗数据进行加密，代理属性满足授权者设置的访问策略时才能正确解密密文，获得代理签名权，从而对医疗用户提供医疗服务.该方案不仅能够缓解移动医疗高峰情况下医生的服务瓶颈，也可以解决医生因为特殊情况不在岗位的授权问题，同时可以做到对代理的工作进行回溯追踪，做到了对代理问责以及避免代理越权操作.方案利用可信授权中心进行匹配计算，降低了授权医生对医疗用户的验证计算开销，性能较以往明显提高，同时利用人数预期模型与提供计算资源预期模型，对有效参与人数和协作计算能力进行了估计，为有效缓解计算高峰时的计算瓶颈问题提供了借鉴意义.
- 移动医疗 /
- 数字签名 /
- 匿名代理 /
- 属性加密 /
- 可追踪
Abstract: To solve doctor’s service bottlenecks under the peak condition of mobile medical, the paper proposes utilizing authorized agents to provide service, so as to reduce the burden of doctors and enhance the flexibility of service as well. We use attribute encryption technology to encrypt medical data. The ciphertext can be decrypted correctly when the proxy attribute satisfies the policy set by the authorized user, so as to obtain proxy signature to provide medical service for medical users. The scheme not only can alleviate the burden on the mobile medical service providers in the peak of the bottleneck, but also can solve the authorization problem during the absence of doctors. At the same time, we can achieve proxy traceback to preform the agency accountability and avoid unauthorized agency audit. This scheme can be used to reduce the computing cost of authorized doctors by using trusted authorization center. The simulation results reveal that the performance can be improved significantly than other scheme. At the same time, the candidate number prediction model and the supply computational resources prediction model are proposed. They can effectively estimate the number of candidate and collaborative computing power ability, which can be used for reference to alleviate the bottleneck problem in peak computing.
- mobile medical /
- digital signature /
- anonymous agent /
- attribute encryption /
- traceability

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