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| With the rapid development of Internet technology and the rise of the personalized network services, the persons are increasingly inclined to synchronize personal privacy data to network service platforms, such as Baidu Cloud, Tencent Weiyun, Dropbox, etc. Whereas enjoying the convenience of sharing the resources by network services, there are some hidden dangers, for example, the personal privacy data are stolen or maliciously exploited, which brings a great threat to personal information and property security. In order to alleviate the transmission pressure and improve the security, this paper proposed a multiple images hiding encryption scheme based on compressive sensing. In this scheme, the main energy of the multiple plain images is hidden into the carrier image simultaneously, then the compressive sensing is carried out to improve the hiding capacity of the carrier image, ensuring that more encrypted information can be transmitted in a certain storage space. In addition, the proposed scheme will obtain a visually meaningful cipher image if the image is reconstructed directly, which can reduce the risk of further decryption by the eavesdropper and ensure high covertness during the transmission. |
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| Keywords:network security, compressive sensing, chaos, information hidding, image encryption. |
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