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Recently, various encryption techniques based on chaos have been proposed. However, most existing chaotic encryption schemes still suffer from fundamental problems such as small key space, weak security function and slow performance speed. This paper introduces an efficient encryption scheme for still visual data that overcome these disadvantages. The proposed scheme is based on hybrid Linear Feedback...
Image encryption is a challenging task due to the significant level of sophistication achieved by forgerers and other cybercriminals. Advanced encryption methods for secure transmission, storage, and retrieval of digital images are increasingly needed for a number of military, medical, homeland security, and other applications. In this paper, we introduce a new digital image encryption algorithm....
Recently, a number of chaos-based image encryption algorithms have been proposed. However, the initial parameters used in masking operation are usually fixed in the whole encryption process. In this paper, we introduce an efficient image encryption scheme of pixel bit based on combination of chaotic systems with variable initial parameters. The algorithm takes advantage of the best features of chaotic...
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