Audio Steganography Using GA

Abstract

Audio Steganography is a method that ensures secured data transfer between parties normally in internet community. In this paper, we present a novel, principled approach to resolve the remained problems of substitution technique of Audio Steganography. We use most powerful encryption algorithm (RSA) to encrypt message in the first level of security, which is very complex to break. In the second level, we use a more powerful GA (Genetic Algorithm) based LSB (Least Significant Bit) Algorithm to encode the encrypted message into audio data. Here encrypted message bits are embedded into random and higher LSB layers, resulting in increased robustness against noise addition. On the other hand, GA operators are used to reduce the distortion.