Abstract
In recent years, applications of chaotic systems in communication and cryptography have attracted much attention. The highly random look nature and sensitive dependence on initial conditions are the most attractive features of nonlinear systems,which exhibits chaotic behavior [1]. The proposed scheme make use of a new mapping chaotic system using EulerGamma constant, implemented at the transmitter receiver end using the Quadratic-Exponentiation Randomized cryptographic algorithm. The encryption could be done by adding (mixing) the message signal to the output of the chaotic map and the the subtraction of a synchronized chaotic map's output from the encoded signal. The encrypted signal would appear to be noise as it has been "mixed" with a chaotic signal.