Steganography

Definition:- Steganography (STEHG-uh-NAH-gruhf-ee, from Greek steganos, means "covered," and graphie, means "writing") is the hiding of a secret message within an ordinary message and the extraction of it at its destination.

 Stegnography is the art or practice of concealing a file, message, image, or video within another file, message, image, or video. The advantage of steganography over cryptography alone is that the intended secret message does not attract attention to itself as an object of scrutiny. Plainly visible encrypted messages no matter how unbreakable will arouse interest, and may in themselves be incriminating in countries where encryption is illegal.

The first recorded uses of steganography can be traced back to 440 BC when Herodotus mentions two examples in his Histories.Demaratus sent a warning about a forthcoming attack to Greece by writing it directly on the wooden backing of a wax tablet before applying its beeswax surface. Wax tablets were in common use then as reusable writing surfaces, sometimes used for shorthand.

Modern steganography entered the world in 1985 with the advent of personal computers being applied to classical steganography problems. Development following that was very slow, but has since taken off, going by the large number of steganography software available

Making of Stegnography by CMD

Requirements

• Pic
• secret message that can be embbed in to it
• CMD

1. Select any one pic from your system.
2. Write any secret message in notepad or word.(save both files in "d:" )
3. Open cmd

Commands

• d:

• dir

• copy pic.jpg+secret.txt new pic.jpg

• Here you can see the pic and text is combined.

How to see the messege written behing the pic.

.Open the pic (here it is "new pic") so i opened it. Now you will see the actual pic now "right click" and open with "Notepad". See the Message which you have written is in the end. So enter "end" from your keyboard and you will see the message which you have written is their

This was the trick of creating Steganography. Be safe and send encrypted message.

Reference:-  http://en.wikipedia.org/wiki/Steganography

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