HIDING TEXT IN AN AUDIO FILE

HIDING TEXT IN AN AUDIO FILE

SYNOPSIS

        This   Project   Titled “Data Hiding in Audio files” is the software developed for hiding information which uses the technology called  as  Steganography  derived from the Greek words meaning, “Covered writing”, is the  art of hiding information in ways that prevent its detection.

        It is a method akin to covert channels, and invisible links, which add another step in security. A message in cipher text may arouse suspicion while an invisible message is not. Digital stenography uses a host data or message known as a “Container” or “Cover” to hide another data or message in it. The conventional way of protecting information was to use a standard symmetric or asymmetric key system in encryption. Steganography can also be used to place a hidden “trademark” in images ,music, and software, a technique referred to as watermarking.

        To   ensure the privacy of the communication between two parties, various new methods are being developed. Cryptography being the mother to all those project. However, cryptography is like a tool, it can do as well as it is programmed to do. Also, there are various different techniques   that can be implemented to attains a certain level of security. Here we implement a technique   for data hiding in audio images, known as Audio file Steganography.

       Fist the audio file which behaves as carrier file is selected. Then a message or a text file to be embedded in audio is selected. Then a key file is selected. The key  file contains characters whose ASCII values are taken for encryption. Then the file is embedded in audio using low bit encoding mechanism and extraction of embedded message is being done vice versa.

SYSTEM SPECIFICATION

Hardware Requirements

•                 Processor                          :   Pentium 4

•                  Processor Speed           :   2.40GHz

•                  RAM                                       :   512 MB

•                  Hard Disk                          :   80GB

•                  CD Drive                             :   Samsung 52X

•                  Peripherals                     :   Printer

Software Requirements

•                Environment                    :   Visual studio .NET 2005

•                .NET Framework              :   VERSION 2.0

•                Language                           :   C#.NET

•                Operating System          :   WINDOWS 2000/XP

SYSTEM ANALYSIS

EXISTING SYSTEM

             Nowadays, several methods are used for communicating secret messages for defense purposes or in order to ensure the privacy of communication between two parties. So we go for hiding information in ways that prevent its detection. Some of methods used for privacy communication are the use of invisible links, covert channels are some of existing systems that are used to convey the messages. 

PROPOSED SYSTEM

               The proposed system uses Audio file as a carrier medium which add another step in security. The objective  of the newly proposed system is to create a system that makes it very difficult for an opponent to detect the existence of a secret message by encoding it in the carrier medium as a function of some secret key and that remains as the advantage of this system