An Architecture of Secure Searchable Cloud Store

Abstract

With the rise of cloud computing, cloud storage has been widely supported and applied. But the security and search problems of encryption data in cloud storage imperil the wide promotion of cloud storage. And users may not fully trust that Cloud Providers can be reluctant to store their files on Cloud Storage Services. This paper discusses several encryption algorithms that have been proposed in areas of cipher text search and gives a solution of encrypted cloud storage based on present research. The solution allows users to store their data on a public cloud securely, while also allows for searching through the user's encrypted data. Users are able to submit encrypted keyword queries and the system will find all files that contain such keywords through different algorithms schemes. The system is designed based on that trust from a public cloud provider is not required. A further advantage of this architecture is that the user's data will continue to be used and secure if there is a security breach at the cloud provider. Users also do not worry about that Cloud Providers could gain access to their data illegally since the data is encrypted. The architecture mainly contains three parts. One is client system which performs all the security operations on the data. Another is the retrieval server system which performs the processing involved in handling the encrypted queries and the last is cipher text cloud storage system. Each system consists of separate layers and modules. When users make an operation, the three parts of the architecture communicate with each other and work together to achieve the function of the architecture. Overall the approach is viable by using public clouds while still retain control and security of the data.