With the help of a shared pool of reconfigurable computing resources, clients of the cloud-based model can keep sensitive data remotely and access the apps and services it offers on-demand without having to worry about maintaining and storing it locally. To protect the privacy of the public auditing system that supports the cloud data exchange system. The data's owner has the ability to change it using the private key and publishes it in the cloud. The RSA Technique is used to produce key codes for the cloud services atmosphere's privacy utilizing the system's baseboard number, disc number, and client passcode for validation. The method is based on a cutting-edge User End Generated (UEG) privacy technique that minimizes the involvement of a third party and improves security checks by automatically documenting destructive activities. To strengthen extensibility, various authorization-assigning modalities and block access patterns were established together with current operational design approaches. In order to meet the demands for decentralization, fine-grained auditability, extensibility, flexibility, and privacy protection for multilevel data access in networked environments, the suggested approach makes use of blockchain technology. According to a thorough performance and security assessment, the current proposal is exceptionally safe and effective.

翻译：借助共享的可重构计算资源池，基于云模型的用户可远程存储敏感数据，并按需访问其提供的应用与服务，无需担忧本地维护与存储问题。为保护支持云数据交换系统的公开审计机制的隐私性，数据所有者可利用私钥修改数据并将其发布至云端。采用RSA技术为云服务环境的隐私保护生成密钥编码，该技术利用系统主板编号、磁盘编号及客户端验证码实现验证。该方法基于前沿的用户端生成（UEG）隐私技术，通过自动记录破坏性行为减少第三方参与并提升安全检测能力。为增强可扩展性，结合现有操作设计方法建立多种授权分配模式与块访问模式。该方案利用区块链技术满足网络化环境中多级数据访问对去中心化、细粒度审计、可扩展性、灵活性与隐私保护的需求。根据全面的性能与安全评估，本提案具备极高的安全性与有效性。