Application of Hybrid Encryption Methodsin Digital Steganography Technique for Secure Communication
Sharanpreet Kaur, Surender Singh · 2022
In this research article, the four main challenges of steganography viz. payload capacity, imperceptibility, robustness and security have been addressed. Four different algorithms viz. Discrete Wavelet Transformation (DWT), Bald Eagle Search Optimization (BES), Huffman Compression and 2-dimensional logistic chaotic map have been hybridized to construct a novel algorithm. The proposed methodology is validated by calculating the values of PSNR, MSE, SSIM, and BPP and compared with the results achieved by different researchers. Further Gaussian noise and crop attacks have been considered to investigate the effect on the secret image. Our methodology is able to thwart the Gaussian Noise attack but could not recover from the cropping attack with optimum quality. This can become an interesting topic for further research in the future. The proposed method has been compared to others, and it performs better overall. For future work, the pixels of the secret image that has been losing can be regenerated by applying any suitable technique.