Python for Secret Agents PDF
Preview Python for Secret Agents
Python for Secret Agents Analyze, encrypt, and uncover intelligence data using Python, the essential tool for all aspiring secret agents Steven F. Lott BIRMINGHAM - MUMBAI Python for Secret Agents Copyright © 2014 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: August 2014 Production reference: 1190814 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-78398-042-0 www.packtpub.com Cover image by Jarek Blaminsky ([email protected]) Credits Author Copy Editors Steven F. Lott Insiya Morbiwala Sayanee Mukherjee Reviewers Deepa Nambiar Nick Glynn Karuna Narayanan Steven Heinrich Adithi Shetty Sanjeev Jaiswal Laxmi Subramanian Maurice HT Ling Project Coordinator Acquisition Editor Sageer Parkar Sam Wood Proofreaders Content Development Editor Ameesha Green Prachi Bisht Samantha Lyon Technical Editors Indexers Veena Pagare Hemangini Bari Anand Singh Rekha Nair Graphics Sheetal Aute Production Coordinator Nilesh R. Mohite Cover Work Nilesh R. Mohite About the Author Steven F. Lott has been programming since the 70s, when computers were large, expensive, and rare. As a contract software developer and architect, he has worked on hundreds of projects, from very small to very large ones. He's been using Python to solve business problems for over 10 years. He's particularly adept in struggling with gnarly data representation problems. He is also the author of Mastering Object-oriented Python, Packt Publishing. He is currently a technomad who lives in various places on the East Coast of the U.S. His technology blog is located at http://slott-softwarearchitect. blogspot.com. About the Reviewers Nick Glynn is currently employed as a technical trainer and consultant delivering courses and expertise on Android, Python, and Linux at home in the UK and across the globe. He has a broad range of experience, from board bring-up, Linux driver development, and systems development to full stack deployments, web app development, and security hardening for both the Linux and Android platforms. I would like to thank my family for their love and my beautiful baby girl, Inara, for always brightening my day. Steven Heinrich is a full stack web developer who specializes in geospatial applications. He has a Bachelor's degree in Geographic Information Systems (GIS) and a Master's degree in GIS Management, both from Salisbury University. Steve likes to stay updated on new technologies and build a diverse portfolio. Working on a wide array of projects allows him to work with a tech stack that best fits the unique needs of each project. This versatility and his desire to learn new technologies keeps Steve energized and motivated. Besides enjoying spending time with his family, sports, and being a tech geek, he relaxes by sipping on one of the many homebrewed beers on tap in his garage. Sanjeev Jaiswal is a computer graduate with 5 years of industrial experience. He basically uses Perl and GNU/Linux for his day-to-day work. He also teaches Drupal and WordPress CMS to bloggers. He has worked closely with top companies such as CSC, IBM, and Motorola Mobility. He has also developed an interest in web application penetration testing since 2013. Sanjeev loves to impart his technical knowledge to engineering students and IT professionals and has been teaching since 2008. He founded Alien Coders (http://www.aliencoders.com/) based on the learning through sharing principle for computer science students and IT professionals in 2010 and has become a huge hit in India among engineering students. He usually uploads technical videos on YouTube under the Alien Coders tag. He has a huge fan base on his site because of his simple yet effective way of teaching and his philanthropic nature towards students. You can follow him at http://www.facebook.com/aliencoders on Facebook and http://twitter.com/ aliencoders on Twitter. He has authored Instant PageSpeed Optimization, Packt Publishing, and is looking forward to author or review more books by Packt Publishing and other publishers. I would like to thank my parents and my wife, Shalini Jaiswal, for their moral support in every phase of my life and growth. I also give deep thanks and gratitude to my best friends, Ritesh Kamal and Ranjan Pandey, for their personal and professional help that is always available. It is because of them and some of my best friends, Rakesh Pandey, Rakesh Sharma, Abhishek Shukla, Anil Sharma, Santosh Vishwakarma, and others, that I have achieved a set of impossible goals in such a short time. Maurice HT Ling (personal website: http://maurice.vodien.com) has completed his PhD in Bioinformatics and BSc (Hons) in Molecular and Cell Biology from The University of Melbourne. He is currently a research fellow at Nanyang Technological University, Singapore, and an honorary fellow at The University of Melbourne, Australia. Maurice is the chief editor of the journal, Computational and Mathematical Biology, iConcept Press Ltd.; the co-editor of the e-journal, The Python Papers; and the co-founder of the Python User Group (Singapore). Recently, Maurice co-founded the first synthetic biology start-up in Singapore, AdvanceSyn Pte. Ltd., as Director and Chief Technology Officer. His research interests lie in life—biological life, artificial life, and artificial intelligence—using computer science and statistics as tools to understand life and its numerous aspects. In his free time, Maurice likes to read, enjoy a cup of coffee, write his personal journal, or philosophize on the various aspects of life. www.PacktPub.com Support files, eBooks, discount offers and more You might want to visit www.PacktPub.com for support files and downloads related to your book. Did you know that Packt offers eBook versions of every book published, with PDF and ePub files available? You can upgrade to the eBook version at www.PacktPub.com and as a print book customer, you are entitled to a discount on the eBook copy. Get in touch with us at [email protected] for more details. At www.PacktPub.com, you can also read a collection of free technical articles, sign up for a range of free newsletters and receive exclusive discounts and offers on Packt books and eBooks. TM http://PacktLib.PacktPub.com Do you need instant solutions to your IT questions? PacktLib is Packt's online digital book library. 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Table of Contents Preface 1 Chapter 1: Our Espionage Toolkit 7 Getting the tools of the trade – Python 3.3 8 Windows secrets 8 Mac OS X secrets 9 Getting more tools – a text editor 9 Getting other developer tools 10 Getting a tool to get more Python components 10 Confirming our tools 11 How do we stop? 12 Using the help() system 12 Mac OS and GNU/Linux secrets 13 Windows secrets 13 Using the help mode 14 Background briefing – math and numbers 14 The usual culprits 14 The ivory tower of numbers 16 Integer numbers 16 Rational numbers 17 Floating-point numbers 17 Decimal numbers 18 Complex numbers 20 Outside the numbers 20 Assigning values to variables 21 Writing scripts and seeing output 23 Gathering user input 24 Handling exceptions 25 Looping and trying again 26
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