An Image Encryption Algorithm based on 3D Lorenz map

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Mrs. A.Anto Steffi
Mr. Dipesh Sharma

Abstract

In recent years, the chaos based cryptographic algorithms have suggested some new and efficient ways to develop secure image encryption
techniques. In this paper a new approach for image encryption is based on chaotic baker map and chaotic Lorenz map in order to meet the
requirements of the secure image transfer. In the proposed image encryption scheme, an external secret key of 128 bit and two chaotic maps are
employed. The initial conditions for both maps are derived using the external secret key by providing different weight age to all its bits. The results
of experiment show that the proposed image encryption scheme provides an efficient and secure way for real time image encryption and
transmission.


Keywords: Image encryption, chaotic maps, Lorenz map, Baker map, AES.

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