Dual Steganography Using Lsb Substitution And Dct-Dwt Method

Abstract

Digital Steganography is an progessed method in which secret information cannot be recognized easily. Steganography is the art of hiding data inside other data in such a way that it is difficult or indeed impossible to recognize the existence of any hidden data. There are numerous different carries for steganography. Of which, most well known ones are digital pictures. Due to recent improvements in stego analysis. Giving security to individual contents , messages , or digital pictures utilizing steganography has become difficult. By  utilizing stego analysis, one can effectively reveal presence of hidden data in carrier files. This extend presents a novel steganographic approach for covert communications between two private parties steganography enevelopes and data to such degree that it is invisible to a spectator steganography can be utilized for different sorts of information designs , of which the foremost well known are .gif, .txt, .wav, .bmp and .jpeg. These sorts of files are called carriers. The most common cases of steganography are unpredictable ink, clandestine channel and microdot.