The hybrid cubes encryption algorithm (HiSea)

Abstract

Hybrid cubes are generated from a combination and permutation of integers as shown in Latin squares and orthogonal Latin squares. In this paper we extend our earlier non binary block cipher using all possible combination of hybrid cubes layers as the source for the encryption and decryption keys. The overall security of the cipher is improved with the inclusion of substitution box (SBOX) and diffusion functions. The experimental results indicate that the proposed generator matrices from hybrid cubes layers are suitable as candidate for a key schedule algorithm. Large key space will make brute force attack on the key space difficult and time consuming. © 2011 Springer-Verlag Berlin Heidelberg.