An Efficient Image Encryption Scheme using Projective Transformations | Zendy

Аnatoliy Кovalchuk | Zendy; Ivan Izonin | Zendy; Mihal Gregush ml. | Zendy; Oleg Riznyk | Zendy

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An Efficient Image Encryption Scheme using Projective Transformations

Author(s) -

Аnatoliy Кovalchuk,

Ivan Izonin,

Mihal Gregush ml.,

Oleg Riznyk

Publication year - 2019

Publication title -

procedia computer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.334

H-Index - 76

ISSN - 1877-0509

DOI - 10.1016/j.procs.2019.11.043

Subject(s) - encryption , grayscale , computer science , visual cryptography , element (criminal law) , scheme (mathematics) , image (mathematics) , cryptosystem , cryptography , algorithm , theoretical computer science , computer vision , artificial intelligence , mathematics , computer security , mathematical analysis , secret sharing , political science , law

A new conceptual scheme of encryption-decryption of grayscale and color images is proposed. It is based on the combining use of elements of the RSA algorithm and projective transformations. Application of the latter in the proposed scheme further increases the cryptographic stability of the method. The algorithmic implementations of the method developed on the basis of the proposed scheme for both element-by-element and for two-element image encryption-decryption is presented. The simulation of the method was carried out using algorithms of element-by-element and two-element encryption-decryption of grayscale and color images. It is established that encrypted images do not have contours of the original images, which provides the requirements for encryption. In addition, the effectiveness of the decryption procedure, where the resulting images haven’t visible defects, is confirmed experimentally.

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