Research on Evolutionary Cryptosystems and Evolutionary DES

Abstract

This paper proposes the concept of evolutionary cryptosystems and a evolutionary method for designing cryptosystems. With the evolutionary computing we can fast generate a group of S-boxes of DES which are more secure than the old ones of DES. Furthermore based on the group of increasingly secure S-boxes we generate, we can construct the evolutionary cryptosystem of type DES. Generally the evolutionary cryptosystems will have more powerful secure function than the usual ones.