International Journal of Engineering Technology, Management and Applied Sciences (IJETMAS)
In modern world, in any of the various communication methods available, security is the most important issue. For the safety of the signal, the authors use steganography, to hide the data or message they have various techniques in different domains like spatial domain, frequency domain, etc. In frequency domain it is very difficult to detect hidden message and for this domain they use various transformations like DCT, FFT, wavelets, etc. In this paper, they are developing a system in which two techniques, steganography and cryptography are combined, which provides a strong backbone for its security.