A Digital Image Encryption Algorithm Based A Composition of Two Chaotic Logistic Maps

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Provided by: International Journal of Network Security
Topic: Security
Format: PDF
The chaos based cryptographic algorithms have suggested several advantages over the traditional encryption algorithms such as high security, speed, reasonable computational overheads and computational power. This paper introduces an efficient chaos-based stream cipher, composing two chaotic logistic maps and a large enough external secret key for image encryption. The external secret key is used to derive the initial conditions for the chaotic maps and is employed with the two chaotic maps to confuse the relationship between the cipher image and the plain image.
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