Fine-Grained Two-Factor Protection Mechanism for Data Sharing in Cloud Storage
Fine-Grained Two-Factor Protection Mechanism for Data Sharing in Cloud Storage
复制标题
云存储数据共享的细粒度双因素保护机制
DOI:
10.1109/tifs.2017.2746000
复制
发表时间:
2018
影响因子:
6.8
通讯作者:
Ling Yun
中科院分区:
文献类型:
--
作者:
Zuo Cong;Shao Jun;Liu Joseph K.;Wei Guiyi;Ling Yun
Data sharing in cloud storage is receiving substantial attention in information communications technology because it can provide users with efficient and effective storage services. To protect the confidentiality of the shared sensitive data, cryptographic techniques are usually applied. However, the data protection is still posing significant challenges in cloud storage for data sharing. Among them, how to protect and revoke the cryptographic key is the fundamental challenge. To tackle this, we propose a new data protection mechanism for cloud storage, which holds the following properties. First, the cryptographic key is protected by the two factors. Only if one of the two factors works, the secrecy of the cryptographic key is held. Second, the cryptographic key can be revoked efficiently by integrating the proxy re-encryption and key separation techniques. Finally, the data is protected in a fine-grained way by adopting the attribute-based encryption technique. Furthermore, the security analysis and performance evaluation show that our proposal is secure and efficient, respectively.
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DOI:
10.1007/978-3-642-13013-7_2
发表时间:
2010-05
期刊:
--
影响因子:
--
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