期刊名称：International Journal of Early Childhood Special Education
电子版ISSN：1308-5581
出版年度：2022
卷号：14
期号：4
页码：749-763
DOI：10.9756/INT-JECSE/V14I4.96
语种：English
出版社：International Journal of Early Childhood Special Education
摘要：Due to the lack of user-to-cloud controllability, people endorse the benefits of cloud computing, but are hesitant to trust cloud providers with private information. Owners of data outsource encrypted data rather than plaintext in order to ensure confidentiality. CP-ABE (cypher text-policy attribute-based encryption) can be used to conduct fine-grained and user-centric access control when sharing encrypted data with others. However, this isn't sufficiently secure from other attacks. Previous schemes did not allow cloud providers to verify whether a downloader could decrypt data. As a result, all users should have access to the files. To launch economic denial of service (EDoS) attacks, malicious attackers can download thousands of files, consuming much of the cloud's resources. Users pay for these resources. A cloud provider is both an accountant and a payee for resource consumption, which leaves data owners in the dark. These concerns must be supervised in cloud applications in the real world. The project proposed a method for securing encrypted cloud storage from EDoS attacks and providing resource usage reporting. By using CP-ABE schemes in a black-box manner, it complies with the arbitrary access policy of the CP-ABE. Two protocols are presented for different settings, and performance and security analyses are presented.
关键词：Cloud Computing;Cipher text-policy attribute-based encryption;Economic denial of service attack;Authentication
