Steganography (/ˌstɛɡəˈnɒɡrəfi/ STEG-ə-NOG-rə-fee) is the practice of concealing a file, message, image, or video within another file, message, image, or video. The word steganography combines the Greek words steganos (στεγανός), meaning "covered, concealed, or protected", and graphein (γράφειν) meaning "writing". wikipedia
There's a lot of PHP code to encode and decode files. Google it ➠ php image steganography
This article uses very simple code I found here ➠ Image Steganography
This page uses a ➠ simple text file and an image to combine the two into a new image.
It then decodes that image to extract the hidden text.
Havo en VWO lesstof (Dutch)
Daarin zit de module over ➠ Steganografie.
⇪ Feb 17 2021 06:30:54