Abstract
Massive computing on cloud infrastructure had achieved remarkable consideration and popularity in recent years. However, security and privacy issues are also emerging as cloud infrastructures are deployed and maintained by third parties. In this paper, we propose a simple method to secure an image for privacy-preserving storage over cloud infrastructure. One-dimensional chaotic logistic map is used to divide the secret image into two shares such that no image information is revealed. Secure shares are generated using chaotic key stream derived from one-dimensional chaotic map. For successful decryption, both the shares are gathered and secret image is revealed. The proposed method is secure and simple, and involves less complex operations. Different experimental tests have been performed to demonstrate security aspects of the proposed scheme.
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