Research on privacy data processing based on symmetric encryption algorithm

Nowadays, privacy data has widely stored and shared through the cloud storage services from numerous users and organizations. However, existing cloud services are concentrating on improving the data storage amount and ignore the privacy data protection for data owners. In order to protect the privacy data, data owners may encrypt the information and then upload to the cloud servers. Cloud server cannot guarantee the encryption data are not at-tacked or modified by malicious attackers. In this paper, we propose a novel symmetric encryption algorithm to encrypt the privacy data for users and generate the checks for cloud servers and guarantee the privacy cannot be modified and lost by system errors. From our extensive experimental, we can conclude that our proposed model can achieve the protection of privacy by simulating the different attacks with reasonable response period. Furthermore, we compare our model with existing encryption methods and evaluate the effectiveness performance.