Reversible data hidden in encrypted images attracted attention from data privacy and protection communities. The success of previous methods in this area has shown that superior performance can be achieved by the use of reductions in the image.For example, the previous block-based method looks for the data at each block even if there is no data hidden in the block. To overcome this issue in this work propose Random Substitution Box Creation (RSBC) method. The proposed RSBC method can be further embedded the data directly into the secret image without need any preprocessing action on the original image.The method selects the pixels of the RSBC as a group to encrypt, and the data is hidden to search for the absolute difference between the groups. The additional information can be encoded into a coded image compared to the most advanced previous work in the country, using a shift histogram of the absolute difference in the homomorphic nature of the encrypted field, and the proposed random replacement box creation can effectively avoid encryption. Pre-processing operations and can be effectively embedded and extract data in an encrypted domain. This method has been implemented by Matlab simulation software, and the proposed random replacement box produces, for example, methods that have produced valid results for all factors of data encryption and decryption. The simulation results give the proposed technique and the effectiveness of the ability to take reversible diagonally encoded data.
Volume 11 | 12-Special Issue