APPLICATIONS OF NON-SINGULAR MATRICES IN CRYPTOGRAPHY

Abstract

The aim of this paper is security for large or short messages by using 4x4 non- singular matrices modulo 27 as the key to transfer plain text to cipher text and its invertible matrices modulo 27 of order 4x4 as the key to transfer cipher text to plain text. Cryptography is the science of using mathematics to encrypt and decrypt messages. It is the art of keeping information secret and safe.