Isomorphic Cipher Reduction

All ciphers are a form of the substitution cipher. Variations of ciphers, such as the P cipher, block ciphers, and product ciphers have been introduced in an effort to hide the patterns that filter through the obscuring process. Still, if the right parameters are used, it is possible to substitute an equivalent substitution cipher for most encryption algorithms and then use a property of substitution to greatly simplify the analysis and decryption of even block product ciphers. In this paper we also identify and explain exceptions to this reduction. The purpose of applying this cipher reduction is to strengthen security by eliminating the weaknesses that reduction identifies.