Hacking Secret Ciphers with Python

Hacking Secret Ciphers with Python

By Al Sweigart

Copyright ? 2013 by Al Sweigart Some Rights Reserved. "Hacking Secret Ciphers with Python" is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License. You are free:

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Book Version 3 Special thanks to Ari Lacenski. I can't thank her enough. Without her efforts there'd be typos literally on every page. Thanks to Jason Kibbe. Cover lock photo by "walknboston" Romeo & Juliet and other public domain texts from Project Gutenberg. Various image resources from Wikipedia. Wrinkled paper texture by Pink Sherbet Photography Computer User icon by Katzenbaer.

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ISBN 978-1482614374 1st Edition

Nedroid Picture Diary by Anthony Clark,

Movies and TV shows always make hacking look exciting with furious typing and meaningless ones and zeros flying across the screen. They make hacking look like something that you have to be super smart to learn. They make hacking look like magic.

It's not magic. It's based on computers, and everything computers do have logical principles behind them which can be learned and understood. Even when you don't understand or when the computer does something frustrating or mysterious, there is always, always, always a reason why.

And it's not hard to learn. This book assumes you know nothing about cryptography or programming, and helps you learn, step by step, how to write programs that can hack encrypted messages. Good luck and have fun!

100% of the profits from this book are donated to the Electronic Frontier Foundation, the Creative Commons, and the Tor Project.

Dedicated to Aaron Swartz, 1986 ? 2013

"Aaron was part of an army of citizens that believes democracy only works when the citizenry are informed, when we know about our rights--and our obligations. An army that believes we must make justice and knowledge available to all--not just the well born or those that have grabbed the reins of power--so that we may govern ourselves more wisely. When I see our army, I see Aaron Swartz and my heart is broken. We have truly lost one of our better angels."

- C.M.

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