A Robust Image Encryption Scheme Based on RSA and Secret Sharing for Cloud Storage Systems

To date, the cloud storage system has been well developed. It is a system that provides users with large storage, high computation ability, and convenience. However, users cannot fully trust a cloud storage system because it is an “honest but curious”server. For this reason, protecting data confidentiality and data integrity are two important issues in a cloud storage system. In this paper, we present our design a secure scheme based on RSA encryption and Shamirs secret sharing schemes. The experimental results and security analysis show that our scheme can effectively ensure data confidentiality and check data integrity. In addition, we compare the computational cost with RSA encryption scheme.

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