October 2016
Beginner to intermediate
650 pages
14h 43m
English
book
Python: Penetration Testing for Developers
by Christopher Duffy, Mohit, Cameron Buchanan, Terry Ip, Andrew Mabbitt, Benjamin May, Dave Mound
Content preview from Python: Penetration Testing for DevelopersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Hiding a message using LSB steganography
In this recipe, we are going to create an image that hides another, using LSB steganography methods. This is one of the most common forms of steganography. As it's no good just having a means to hide the data, we will also be writing a script to extract the hidden data too.
Getting ready
All of the image work we will encounter in the chapter will make use of the Python Image Library (PIL). To install the Python image libraries by using PIP on Linux, use the following command:
$ pip install PIL
If you are installing it on Windows, you may have to use the installers that is available at http://www.pythonware.com/products/pil/.
Just make sure that you get the right installer for your Python version.
It is worth ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.