Reversibility‐oriented secret image sharing mechanism with steganography and authentication based on code division multiplexing
Xiao‐Zhu Xie, Chin‐Chen Chang, Chia‐Chen Lin · IET Image Processing · 2019
In this study, the authors propose a secret image sharing scheme based on code division multiplexing. The secret data are decoded into n host images to generate n meaningful shares using n encoding codes. Any two of encoding codes are orthogonal to each other. If and only if with n shares together, the secret data can be retrieved successfully, and the host images can be recovered completely. The merits of the proposed scheme are summarised as follows: (i) the meaningful shares generated by the proposed scheme can successfully avoid suspicions by malicious attackers during transmission; (ii) the secret data can be losslessly retrieved and the host images can be recovered completely; (iii) the generated shares can be verified so that the forged shares can be detected; (iv) an arbitrary number of shares can be generated to meet the requirement of practical applications; and (v) moreover, n host images can be either identical or different. The experimental results and analyses show that the proposed scheme can provide high security and outperform state‐of‐the‐art secret sharing schemes.