The art and science of writing hidden messages in such a way that no one, apart from the sender and intended recipient could understand or view is called Steganography.
According to the Wikipedia, The word steganography is of Greek origin and means “concealed writing” from the Greek words steganos (στεγανός) meaning “covered or protected”, and graphei (γραφή) meaning “writing”.
In this post I’m going to show how to create such covered or protected message. In this we are going to hide a text file inside a Image (.jpg) file.
This is what you need before starting the procedure :