Abstract

AbstractDigital image encryption can be done either by using the cryptography techniques or chaotic maps. Here, we have given focus to the chaotic maps due to the simplicity as compared to the cryptography techniques. In this paper, we have presented the color image encryption using different 2D chaotic maps, such as 2D Logistic map, Henon map, Baker nap, Arnold cat map and Cross chaos map. The efficiency of these image encryption techniques is verified by the differential attack. NPCR (number of pixels change rate) and UACI (unified average changing intensity) have been chosen as the evaluation parameters.Keywords2D logistic mapHenon mapBaker mapArnold cat mapCross chaos mapEncryptionChoatic maps

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