Image and Audio Based Secure Encryption and Decryption

Abstract: Steganography (a rough Greek translation of the term Steganography is secret writing) has been used in various forms for 2500 years. Briefly stated, steganography is the term applied to any number of processes that will hide a message within an object, where the hidden message will not be apparent to an observer. In steganography, the message used to hide secret message is called host message or cover message. Once the contents of the host message or cover message are modified, the resultant message is known as stego message. In other words, stego message is combination of host message and secret message. Audio steganography requires a text or audio secret message to be embedded within a cover audio message.

Keywords: Steganography, Steganographic tools, RSA Algorithm, image and audio data hiding