1. 一种隐藏访问结构的文件层次属性加密研究.
- Author
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沈学利 and 吕莹楠
- Subjects
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CLOUD storage , *ACCESS control , *IMAGE encryption , *MULTI-factor authentication , *PUBLIC key cryptography , *LEAKAGE - Abstract
The attribute encryption scheme based on file hierarchy was efficient and low in the cloud storage environment, but the access structured itself contains sensitive information, there was the risk of user information leakage and easy to be stolen.Aiming at this problem, this paper proposed a file-level attribute encryption scheme with hidden access structure. The scheme improved the security of the encryption algorithm without affecting the encryption and decryption efficiency, and adopted a twofactor authentication mechanism to achieve a more secure and efficient access control. The results of the study are based on the deterministic bilinear Diffie-Hellman hypothesis, which is proved to be safe under the standard model. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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