Image encryption based on elliptic curve cryptosystem

Zahraa Kadhim Obaid, Najlae Falah Hameed Al Saffar


Image encryption based on elliptic curve cryptosystem and reducing its complexity is still being actively researched. Generating matrix for encryption algorithm secret key together with Hilbert matrix will be involved in this study. For a First Case we will need not to compute the inverse matrix for the decryption processing cause the matrix that be generated in encryption step was self invertible matrix. While for the Second Case, computing the inverse matrix will be required. Peak Signal to Noise Ratio (PSNR), and Unified Average Changing Intensity (UACI) will be used to assess which case is more efficiency to encryption the grayscale image.


elliptic curve cryptosystem; hilbert matrix; image encryption; self invertible matrix;

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ISSN 2088-8708, e-ISSN 2722-2578