A study on data sharing system using ACP-ABE-SE in a cloud environment
by Yong-Woon Hwang; Im-Yeong Lee
International Journal of Web and Grid Services (IJWGS), Vol. 17, No. 3, 2021

Abstract: With the development of cloud computing, users can store data externally and share it with other users. However, since various security threats exist in a network environment connected to an external cloud, security technology is required. CP-ABE provides data encryption, decryption, and access control. However, in the existing CP-ABE method, third parties may violate the privacy of users by inferring the attributes of users accessing data with the access structure contained in the ciphertext. In addition, the cloud server cannot guarantee the confidentiality of the data because it decrypts the encrypted text requested by the user and identifies and delivers the data. In this paper, we proposed a new ACP-ABE-SE data sharing system that combines anonymous CP-ABE and searchable encryption, solving user privacy and data confidentiality issues. Therefore, it can be used in an environment where data can be shared safely and efficiently in a cloud environment.

Online publication date: Tue, 27-Jul-2021

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