How To Hide Secret Messages In Images With Linux

March 7, 2011 by · 4 Comments
Filed under: HowTo, image editing, linux 

In today's post I'm going to show how to embed a text message into an image file. This type of messaging is known as steganography. Steganography is the practice of hiding secrets in such a way that only the intended message recipient would know to look for your hidden message.

In this basic form of secret messaging we'll be adding text onto the end of a file. I'm going to use the following image of Tux for my example.  Read more