Systematic Review of Image Encryption Using Dynamic Encryption Techniques: an Article Review

Abstract

In this study, a chaotic method is proposed that generates S-boxes similar to AES S-boxes with the help of a private key belonging to the user and enables images to be encrypted or decrypted using S-boxes. The proposed method consists of two stages. The first is the dynamic generation of S-squares method and the second is the encoding/decoding method. S-boxes must have a non-linear structure. For this reason, K/DSA (Knutt Durstenfeld Shuffle Algorithm), which is one of the pseudo-random techniques, is used to generate S-squares dynamically. The biggest advantage of the proposed method is the production of the inverted S-box with the S-box. Compared to the methods in the literature, the need to store the S-box is eliminated. Also, the fabrication of the S-box has a very large keyspace as it depends on the user's key. Since the proposed encoding/decoding method allows changing pixel positions with the help of dynamically generated S-box, images, videos, etc. It can be easily applied to images with high data.

Keywords

• keyword
• image encryption; dynamic encryption techniques; DES (Data Encryption Standard).