Thursday, 31 July 2014

data hiding behind image (steganography)

Steganography is a method  of  hiding data in another message so that the very existence of  the data is concealed . Steganography is mainly used by hiding message in graphic images  .The least significant bit of each byte of the image  can be replaced with bits of the secret message .


lets see how  can  be hide message  behind the image.

required > one secret message txt file and  main image  file

* put the  secret.txt and  main.jpg on  the desktop
 this  is  secret  message  name as  secret.txt file  and  another  is  image  file  behind  which secret message are to hide in  my  case i  am using  the  image  file name  as  main.jpg


* open cmd (command prompt)
* type "cd Desktop"  (withot quetetion)
* type again  "copy /b main.jpg + secret.txt  steg.jpg



* now to see secret message  open  image open with notepad
 


and  if  you  want  to  send  secret  message  separately then  add the  data  to  archieve using the  winzip  or  winrar  and  use  above  steps  bt  keep  in  mind  change  the  file the  name  secret.rar  instead of  secret.txt .  and  open  file  with  winrar.

note > " to hiding  data in  name of  file   can  read  the  privous  post   http://hackonce.blogspot.in/2014/07/hide-data-using-nfs-stream.html "

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