HIDING A DATA WITHIN A IMAGE

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                           Steganography is the technique used to hide a data within a data. we can send a confidential data within a image or audio file. 

Steghide
                           Steghide is a steganography program that allows to hide a data in various kind of images and audio files.

   installation
  •    open terminal  
  •    sudo apt-get install steghide
   Embeding data into a file

             steghide embed -cf   file name  -ef  secret file name

             Enter passphrase (optional)

             secret data is successfully embeded into cover file



    Extract secret data from a cover file (stego file)
       
            steghide extract -sf  file name
           
            Enter passphrase (if required)

             


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