• CONTRIBUTION OF LAPLACE TRANSFORM IN CRYPTOGRAPHY

Abstract

In this paper we introduce the application of Laplace transform &Inverse Laplace transform in the process of encryption and decryption respectively. In the first part of the paper we consider the plain text and converts it to cipher text by applying Laplace transform to trigonometric cosine function and in the second part  we converts cipher text to plain text by applying inverse Laplace transform .Finally we generalize some results regarding encryption and decryption.