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What is steganography?. Hiding secret information OpenStego

Steganography is the discipline in which they study and apply techniques that allow the hiding of messages or objects, within others, called carriers, so you do not notice their existence.

secret photo

Say Alice wants to send a photo (secreta.jpg) to Bob. The image is of a top-secret project that no one should know and Alice decide to send it so that nobody suspects the image should fall into the wrong hands.

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In this case, using steganography Alice selects a larger image and harmless (fondo.png) and uses it to camouflage the real file sending, this can be done Open Stego.

After downloading and installing just open the program where Embed will see two tabs and Extract.

Embed In tab create our first secret file by selecting File Massage the file or message to hide, immediately afterwards we choose File Cover Now you can choose which image in the message and then hide Stego select File Output in the place and name that will save the "secret archive."

for safety can encrypt the data and set a password by selecting the Encrypt Data .

I only have to click on OK to complete our steganography.

In the Extract tab we can return to decipher our message selected in Input Stego File the encrypted file in Outpot for Message File Folder select the folder where you want the file. If required we put the password and click on OK, and we will have deciphered message again.

OpenStego is written in pure Java and should work on all platforms supported by Java.

http://openstego.sourceforge.net/index.html