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Research Paper | Electronics & Communication Engineering | India | Volume 3 Issue 9, September 2014 | Popularity: 6.1 / 10

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Image Cryptography Based Upon Scrambling and Random Integer

Gurpreet Singh, Lovleen Kaur

Abstract: In this research work chaotic system is implemented for encryption of images. That is confusion and diffusion is implemented in all multi levels of cryptography. Cryptography means to change the sense i. e. decoding from one form to another. In first level pixels are scrambled row wise by a step of two and in second level pixels are shifted column wise by a step of two. All rows and columns are not shifted as it would generate same image upside down. The third level implements confusion as in this pixels are arranged in increasing level of their intensities. The fourth level implements diffusion as at this level random integer function is used to generate new intensity values for the pixels. In the same way these can be decrypted by following these steps to get the original form.

Keywords: Encryption, Decryption, cryptography, correlation coefficient

Edition: Volume 3 Issue 9, September 2014

Pages: 2142 - 2145

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