In my last post, I created a visualization of where information is hidden in an image using a steganographic tool called PixelJihad. In this post, I’ll talk about a rudimentary method of searching for the pixels that may be hiding information. This is our...
When I was a boy, secret codes fascinated me, but eluded my understanding. Oh, the simplest of them were easy enough to grasp, such as the Caesar cipher, where the alphabet is shifted by a set number of letters: Plain alphabet a b c d e f g h i j k l m n o p q r s t...
With the help of one of my favorite news aggregators, I discovered this article on using JavaScript and the canvas element to hide information inside images. I’ve long been fascinated by steganography and this article and demonstration makes it even more...
