Secure image encryption based on improved bat optimized piecewise linear chaotic map through integrated permutation-confusion and double diffusion. - Rupesh Kumar Sinha; Sitanshu Sekhar Sahu (J. Intell. Fuzzy Syst., 2018)

Adaptive firefly algorithm based optimized key generation for image security. - Rupesh Kumar Sinha; Sitanshu Sekhar Sahu (J. Intell. Fuzzy Syst., 2019)

Multi-level image security using elliptic curve and magic matrix with advanced encryption standard. - Deril Raju; Lalitha Eleswarapu; Muppidi Sai Pranav; Rupesh Kumar Sinha (Multim. Tools Appl., 2022)

Multi-level image security using modified Rubik's cube algorithm. - Rupesh Kumar Sinha; Sitanshu Sekhar Sahu (Int. J. Inf. Comput. Secur., 2024)