A Novel Structure-Based Data Sharing Scheme in Cloud Computing

Huiyao ZHENG  Jian SHEN  Youngju CHO  Chunhua SU  Sangman MOH  

IEICE TRANSACTIONS on Information and Systems   Vol.E103-D   No.2   pp.222-229
Publication Date: 2020/02/01
Publicized: 2019/11/15
Online ISSN: 1745-1361
DOI: 10.1587/transinf.2019INP0014
Type of Manuscript: Special Section PAPER (Special Section on Security, Privacy, Anonymity and Trust in Cyberspace Computing and Communications)
Category: Reliability and Security of Computer Systems
data sharing,  anonymous and traceable,  cloud computing,  key generation,  

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Cloud computing is a unlimited computing resource and storing resource, which provides a lot of convenient services, for example, Internet and education, intelligent transportation system. With the rapid development of cloud computing, more and more people pay attention to reducing the cost of data management. Data sharing is a effective model to decrease the cost of individuals or companies in dealing with data. However, the existing data sharing scheme cannot reduce communication cost under ensuring the security of users. In this paper, an anonymous and traceable data sharing scheme is presented. The proposed scheme can protect the privacy of the user. In addition, the proposed scheme also can trace the user uploading irrelevant information. Security and performance analyses show that the data sharing scheme is secure and effective.