<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper describes an image encryption algorithm which utilizes chaotic logistic map. Values generated by this map are used in two steps of algorithm which shuffles image pixels and then changes their intensities. Design of the encryption scheme considers possibility of various attacks, such as statistical, differential or phase space reconstruction attacks. Robustness against last mentioned type of attacks is introduced by selective skipping of values generated by the map. This skipping depends on key entered by user. The paper also verifies properties of proposed algorithm by common measures and by set of statistical tests that examine randomness of computed encrypted images. Results are compared with other approaches and they are also briefly discussed.</p></abstract>

This paper describes an image encryption algorithm which utilizes chaotic logistic map. Values generated by this map are used in two steps of algorithm which shuffles image pixels and then changes their intensities. Design of the encryption scheme considers possibility of various attacks, such as statistical, differential or phase space reconstruction attacks. Robustness against last mentioned type of attacks is introduced by selective skipping of values generated by the map. This skipping depends on key entered by user. The paper also verifies properties of proposed algorithm by common measures and by set of statistical tests that examine randomness of computed encrypted images. Results are compared with other approaches and they are also briefly discussed.

An image encryption scheme employing key related skipping

Department of Electronics and Multimedia Communications, Faculty of Electrical Engineering and Informatics

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"An image encryption scheme employing key related skipping"}

This paper describes an image encryption algorithm which utilizes chaotic logistic map. Values generated by this map are used in two steps of algorithm which...

An image encryption scheme employing key related skipping

Published Online: May 30, 2018

Page range: 93 - 105

Received: Nov 22, 2017

DOI: https://doi.org/10.2478/jee-2018-0013

Keywords
image encryption, iterate skipping, logistic map, phase space reconstruction attack

© 2018 Jakub Oravec et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

An image encryption scheme employing key related skipping

Published Online: May 30, 2018

Page range: 93 - 105

Received: Nov 22, 2017

DOI: https://doi.org/10.2478/jee-2018-0013

Keywordsimage encryption, iterate skipping, logistic map, phase space reconstruction attack

© 2018 Jakub Oravec et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
image encryption, iterate skipping, logistic map, phase space reconstruction attack