移动社交网络中跨域代理重加密朋友发现隐私保护方案研究
Privacy preserving friend discovery cross domain scheme using re-encryption in mobile social networks
摘要
Abstract
In order to guarantee the users' privacy in the process of making friends in the mobile social networks, a new scheme of proxy re-encryption privacy protection in the cross-domain environment was introduced. The scheme em-ployed the cross-domain multi-authority to sharing secret keys, so as to realize the access and shave of the cross-domain users data. And the secret keys of users' attributes were re-encrypted, based on the technology of the proxy re-encryption and attribute encryption, to achieve the friends matching under the conditions of extending the access policy. Meanwhile, in purpose of enhancing the privacy of users' data, the technology which contained the separation of users' privacy ci-phertext and secret keys was adopted. Based on that, problems in the existing system such as user data's inability to be shared cross-cloud, less matching during the process of making friends and users' inability to make friends when offline had been addressed. Security and experimental analysis show that this scheme can achieve chosen plaintext attack (CPA) security, ensure the privacy of friend discovery, and that is more effective than existing solutions.关键词
跨域数据访问/代理重加密/跨域多授权中心/属性加密/隐私保护Key words
cross domain data access/proxy re-encryption/cross domain multi-authority/attribute-based encryption/privacy-preserving分类
信息技术与安全科学引用本文复制引用
罗恩韬,王国军,陈淑红,PINIAL Khan-butt..移动社交网络中跨域代理重加密朋友发现隐私保护方案研究[J].通信学报,2017,38(10):81-93,13.基金项目
国家自然科学基金资助项目(No. 61632009, No. 61472451, No.61272151, No.61502163) （No. 61632009, No. 61472451, No.61272151, No.61502163）
湖南省自然科学基金资助项目(No.2016JJ3051) （No.2016JJ3051）
中央高校基本科研业务费专项基金资助项目(No.2016zzts060) （No.2016zzts060）
湖南省教育厅科研基金资助项目(No.2015C0589) （No.2015C0589）
湖南省重点研发计划基金资助项目(No.2017NK2390) （No.2017NK2390）
湖南科技学院计算机应用技术重点建设学科基金资助项目(No.128030219-001)The National Natural Science Foundation of China (No.61632009, No.61472451, No.61272151, No.61502163), The Natural Science Foundation of Hunan Province (No.2016JJ3051), Special Fund for Basic Research and Business Expenses of Central Universities (No.2016zzts060), Research Project of Hunan Provincial Education Department (No.2015C0589), The Hunan Provincal Science and Technology Key Development Project (No.2017NK2390), The Key Construction of Computer Application Technology, Hunan University of Science and Engineering (No.128030219-001) （No.128030219-001）
