Symmetric Key Cryptography With Python And Tkinter

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SYMMETRIC KEY CRYPTOGRAPHY WITH PYTHON AND TKINTER

Author : Vivian Siahaan
Publisher : BALIGE PUBLISHING
ISBN 13 :
Total Pages : 470 pages
Book Rating : 4./5 ( download)

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Book Synopsis SYMMETRIC KEY CRYPTOGRAPHY WITH PYTHON AND TKINTER by : Vivian Siahaan

Download or read book SYMMETRIC KEY CRYPTOGRAPHY WITH PYTHON AND TKINTER written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2024-08-24 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the evolving landscape of data security, encryption algorithms play a crucial role in safeguarding sensitive information. This book delves into several prominent encryption algorithms, including AES, DES, 3DES, Blowfish, and CAST. Each algorithm offers unique strengths and is suitable for different use cases. Advanced Encryption Standard (AES) stands out for its robust security and efficiency, making it a preferred choice for many modern applications. Data Encryption Standard (DES), while historically significant, has largely been replaced by Triple DES (3DES), which enhances DES's security by applying it multiple times. Blowfish, a versatile and fast cipher, and CAST, known for its flexibility in key lengths, are also explored for their practical applications in various security scenarios. To provide a hands-on approach, this book includes detailed Python examples and Tkinter-based graphical user interfaces for each encryption algorithm. These practical examples illustrate how to implement these ciphers in real-world applications, from basic encryption and decryption processes to more complex use cases involving secure data handling and user interaction. Through these examples, readers will gain a comprehensive understanding of both the theoretical and practical aspects of encryption, empowering them to implement secure solutions tailored to their specific needs. In chapter two, we discussed the development of a Tkinter-based GUI application for AES encryption and decryption of synthetic data. The application consists of multiple tabs: one for displaying original data, one for showing encrypted data, another for decrypted data, and a fourth for entering and managing passwords. Key functionalities include generating a synthetic dataset with various attributes like UserID, Name, and Email, encrypting and decrypting this data using AES encryption in GCM mode, and displaying the results in a ttk.Treeview. The application also features password management, allowing users to set a password, generate an encryption key from it, and update the displays accordingly. The code includes several methods for data encryption and decryption, key derivation, and DataFrame management. The generate_data_intelligence_dataset method creates synthetic data, while encrypt_data and decrypt_data methods handle AES encryption and decryption. The update_displays method updates the DataFrame with encrypted and decrypted data and saves these to Excel files. The display_dataframe method dynamically displays DataFrames in the Tkinter GUI, with alternating row colors for better readability. This session detailed how each part of the code contributes to creating a rich and interactive application for handling encrypted data. In chapter three, we explored a detailed Tkinter application designed for managing and visualizing Bitcoin transaction data. The application generates synthetic data including wallet addresses, transaction types, dates, Bitcoin amounts, and their USD equivalents. Users enter an 8-byte DES key to encrypt Bitcoin amounts using DES encryption. The encrypted data is displayed in a tab within the Tkinter GUI, and users can view a histogram showing the distribution of Bitcoin amounts, both before and after encryption. The application leverages various Python libraries: tkinter for the GUI, pandas for data manipulation, Crypto.Cipher.DES for encryption, and matplotlib for plotting. Key functions include generating synthetic Bitcoin data, encrypting data with DES, and visualizing data distributions. The GUI is structured with tabs for entering the password, viewing original and encrypted data, and displaying distribution graphs. The session detailed how each function works, from generating Bitcoin addresses and transaction data to encrypting and decrypting data and plotting results. In chapter four, we discussed a Python code that integrates a Tkinter GUI with Triple DES (3DES) encryption and SQLite database management. The code encompasses the setup of an SQLite database, encryption and decryption of transaction data using 3DES, and functions for saving and retrieving encrypted transaction records. Key functions include generating a 3DES key, encrypting and decrypting data with appropriate padding, and handling database operations with retry logic to manage potential locking issues. We explored the database setup with table creation, and transaction management, and incorporated robust error handling to ensure reliable operation. The GUI implementation leverages Tkinter for user interaction and display, including functions to generate 3DES keys, handle encryption/decryption operations, and manage transaction records in an SQLite database. The session covered detailed explanations of how each part of the code operates, from database setup and key generation to data encryption/decryption and transaction storage. This comprehensive approach ensures secure handling of sensitive data and integrates encryption functionalities within a user-friendly interface, demonstrating practical applications of cryptographic techniques in a real-world scenario. In chapter five, we detailed a Python script using Tkinter for a secure cloud storage application leveraging Blowfish encryption. The script includes several core functionalities: user authentication, file upload and download, and cryptographic operations. Key aspects include helper functions for generating and verifying HMACs, as well as Blowfish encryption and decryption. The GUI is organized into tabs for user login/register, file upload, file download, and logs. Functions are defined to handle file selection, encryption, upload, HMAC generation, and downloading, ensuring that data integrity is maintained through HMAC verification and secure file handling. The Tkinter-based GUI is designed to provide a user-friendly interface for interacting with the secure cloud storage system. The SecureCloudStorageApp class initializes and configures the GUI with tabs for different functionalities. It manages user login, registration, file selection, and storage operations. The application supports encryption and decryption of files, storing encrypted data and HMACs, and provides feedback through a log and message boxes. This setup ensures secure data handling and user management, integrating cryptographic functions seamlessly into a functional application interface. In chapter six, we discussed and refined a Python script for managing file encryption and decryption using the CAST cipher, implemented with a Tkinter graphical user interface (GUI). The script includes functions for generating encryption keys, encrypting and decrypting files, and handling file uploads and downloads. It also features user authentication and registration mechanisms, utilizing bcrypt for password hashing and checking. The GUI allows users to perform these actions through a series of buttons and input fields, with status updates and error messages displayed in a scrollable text area. We further improved the script by adding error handling for file operations and ensuring proper file path management. Enhancements included better user feedback through message boxes for errors related to file reading, JSON decoding, and user actions. These improvements aimed to make the application more robust and user-friendly, ensuring reliable file management and secure encryption practices. The final version also addressed exceptions and edge cases to enhance the overall reliability and functionality of the Tkinter-based application.

ELLIPTIC CURVE CRYPTOGRAPHY (ECC) KEY GENERATION, ENCRYPTION, DECRYPTION, AND DIGITAL SIGNATURES: LEARN BY EXAMPLES WITH PYTHON AND TKINTER

Download ELLIPTIC CURVE CRYPTOGRAPHY (ECC) KEY GENERATION, ENCRYPTION, DECRYPTION, AND DIGITAL SIGNATURES: LEARN BY EXAMPLES WITH PYTHON AND TKINTER PDF Online Free

Author : Vivian Siahaan
Publisher : BALIGE PUBLISHING
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4./5 ( download)

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Book Synopsis ELLIPTIC CURVE CRYPTOGRAPHY (ECC) KEY GENERATION, ENCRYPTION, DECRYPTION, AND DIGITAL SIGNATURES: LEARN BY EXAMPLES WITH PYTHON AND TKINTER by : Vivian Siahaan

Download or read book ELLIPTIC CURVE CRYPTOGRAPHY (ECC) KEY GENERATION, ENCRYPTION, DECRYPTION, AND DIGITAL SIGNATURES: LEARN BY EXAMPLES WITH PYTHON AND TKINTER written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2024-08-30 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is dedicated to the development of a sophisticated and feature-rich Tkinter GUI that leverages Elliptic Curve Cryptography (ECC) for various cryptographic operations, including key generation, encryption, decryption, signing, and verifying data. The primary goal is to create an interactive application that allows users to perform these operations on synthetic financial data, demonstrating the practical use of ECC in securing sensitive information. The GUI is meticulously designed with multiple tabs, each corresponding to a different cryptographic function, enabling users to navigate through key generation, data encryption/decryption, and digital signature processes seamlessly. The GUI starts with the key generation tab, where users can generate ECC key pairs. These key pairs are essential for the subsequent encryption and signing operations. The GUI provides feedback on the generated keys, displaying the public and private keys in hexadecimal format. This feature is crucial for understanding the foundational role of ECC in modern cryptography, where small key sizes provide strong security. The key generation process also highlights the advantages of ECC over traditional RSA, particularly in terms of efficiency and security per bit length. In the encryption and decryption tab, the GUI enables users to encrypt synthetic financial data using the previously generated ECC keys. The encryption process is performed using AES in Cipher Feedback (CFB) mode, with the AES key derived from the ECC private key through key derivation functions. This setup showcases the hybrid approach where ECC is used for key exchange or key derivation, and AES is employed for the actual encryption of data. The GUI displays the generated ciphertext in a hexadecimal format, along with the Initialization Vector (IV) used in the encryption process, providing a clear view of how the encrypted data is structured. The signing and verifying tab demonstrates the use of ECC for digital signatures. Here, users can sign the synthetic financial data using the ECDSA (Elliptic Curve Digital Signature Algorithm), a widely recognized algorithm for ensuring data integrity and authenticity. The GUI displays the generated digital signature in hexadecimal format, offering insights into how ECC is applied in real-world scenarios like secure messaging and digital certificates. The verification process, where the signature is checked against the original data using the ECC public key, is also integrated into the GUI, emphasizing the importance of digital signatures in verifying data authenticity. The synthetic financial data used in these operations is generated within the GUI, simulating transaction records that include fields such as transaction ID, account number, amount, currency, timestamp, and transaction type. This dataset is crucial for demonstrating the encryption and signing processes in a context that mirrors real-world financial systems. By encrypting and signing this data, users can understand how ECC can be applied to protect sensitive information in financial transactions, ensuring both confidentiality and integrity. Finally, the GUI’s design incorporates user-friendly elements such as scrolled text widgets for displaying long hexadecimal outputs, entry fields for user inputs, and clear labels for guiding the user through each cryptographic operation. The application provides a comprehensive and interactive learning experience, allowing users to explore the intricacies of ECC in a controlled environment. By integrating ECC with AES for encryption and ECDSA for signing, the GUI offers a practical demonstration of how modern cryptographic techniques can be combined to secure data, making it an invaluable tool for anyone looking to understand or teach the principles of ECC-based cryptography.

IMAGE STEGANOGRAPHY Least Significant Bit (LSB) with AES, DES, RSA, ECC, and ELGAMAL Cryptosystem: LEARN BY EXAMPLES WITH PYTHON AND TKINTER

Download IMAGE STEGANOGRAPHY Least Significant Bit (LSB) with AES, DES, RSA, ECC, and ELGAMAL Cryptosystem: LEARN BY EXAMPLES WITH PYTHON AND TKINTER PDF Online Free

Author : Vivian Siahaan
Publisher : BALIGE PUBLISHING
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4./5 ( download)

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Book Synopsis IMAGE STEGANOGRAPHY Least Significant Bit (LSB) with AES, DES, RSA, ECC, and ELGAMAL Cryptosystem: LEARN BY EXAMPLES WITH PYTHON AND TKINTER by : Vivian Siahaan

Download or read book IMAGE STEGANOGRAPHY Least Significant Bit (LSB) with AES, DES, RSA, ECC, and ELGAMAL Cryptosystem: LEARN BY EXAMPLES WITH PYTHON AND TKINTER written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2024-09-03 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the rapidly evolving field of digital security, image steganography has emerged as a vital technique for embedding secret information within digital images, ensuring both privacy and data integrity. "IMAGE STEGANOGRAPHY: Least Significant Bit (LSB) with AES, DES, RSA, ECC, and ELGAMAL Cryptosystem: LEARN BY EXAMPLES WITH PYTHON AND TKINTER" delves into the intricate world of steganography, exploring how the Least Significant Bit (LSB) method can be employed in conjunction with robust cryptographic algorithms to enhance data concealment. This book provides a comprehensive guide to integrating classic and modern encryption techniques, including AES, DES, RSA, ECC, and ElGamal, within the realm of image steganography. Through practical examples and hands-on projects using Python and Tkinter, readers will gain a deep understanding of how to implement these cryptographic systems to securely encode and decode hidden messages within images. The book is designed to cater to both novices and experienced developers, offering clear explanations, detailed code examples, and user-friendly Tkinter interfaces for building and testing steganographic applications. By the end of this journey, readers will not only master the art of image-based data hiding but also develop a strong foundation in integrating advanced cryptographic methods with real-world applications. Project 1 and 2 successfully combines user-friendly design with effective data concealment techniques. By leveraging the Least Significant Bit (LSB) method, the application allows users to encode and decode text messages within images with ease. The integration of the Python Imaging Library (PIL) for image manipulation and Tkinter for the graphical interface ensures that users can interact with the program effortlessly, focusing on the functionality rather than the underlying technical complexities. The application’s dual-tab interface for encoding and decoding provides a seamless user experience, allowing users to visually compare original and encoded images, and retrieve hidden messages with immediate feedback. As an educational tool, it offers practical insight into the principles of steganography and image processing, making it accessible to individuals with varying levels of technical expertise. Overall, this project demonstrates a successful implementation of steganographic techniques in a user-friendly and interactive format, enhancing both learning and practical application of data concealment methods. Project 3 and 4 successfully merges DES encryption with steganography through a graphical user interface (GUI) to create a practical and secure method for encoding and decoding messages within images. By utilizing the Least Significant Bit (LSB) technique, the application ensures that encrypted messages are subtly embedded in image pixels, preserving the visual integrity of the images while keeping the hidden information discreet and secure. The use of DES encryption enhances the security of the messages, ensuring that only individuals with the correct password can decrypt and access the hidden content. The GUI facilitates an intuitive user experience, allowing users to seamlessly encode and decode messages while providing visual comparisons of the original and encoded images. The application’s error handling and feedback mechanisms ensure a smooth and user-friendly process. Overall, this project not only highlights the effective integration of cryptographic and steganographic techniques but also demonstrates how such technology can be made accessible and practical for secure digital communication. The combination of Tkinter's ease of use and DES encryption's robust security offers a valuable tool for confidential information management. Project 5 and 6 delivers a comprehensive and user-friendly solution for embedding and extracting encrypted messages within images using AES encryption. The application effectively combines advanced cryptographic techniques with steganography to ensure that sensitive information is both securely hidden and easily retrievable. With its intuitive Tkinter-based interface, users can seamlessly encode messages into images and decrypt them with confidence, knowing that their data is protected by robust encryption and concealed through the Least Significant Bit (LSB) technique. By supporting various image formats and providing features for image browsing and saving, the application enhances the user experience while addressing potential errors with informative guidance. As both an educational tool and a practical solution, the ImageSteganographyApp underscores the critical role of integrating data security and privacy measures in digital communications, demonstrating the practical applications of combining cryptography and steganography in a single, accessible platform. Project 7 and 8 delivers a powerful solution for secure communication by combining RSA encryption with image steganography using the Least Significant Bit (LSB) technique. By first encrypting messages with RSA's robust asymmetric algorithm and then embedding the encrypted data within an image, the application ensures that sensitive information is both confidential and covert. The use of RSA provides strong encryption that protects the message from unauthorized access, while LSB steganography discreetly hides the encrypted data, making it nearly invisible to casual observers. The Tkinter-based graphical user interface enhances user accessibility by simplifying complex cryptographic and steganographic processes. Users can generate RSA key pairs, select images for embedding or extracting messages, and manage encryption and decryption tasks through an intuitive interface. This combination of advanced encryption and stealthy data embedding is particularly valuable in fields where secure and unobtrusive communication is critical, such as in government, military, and corporate settings. Overall, the project offers a robust and practical approach to safeguarding sensitive information, blending security and secrecy effectively. Project 9 and 10 showcases an innovative approach to secure communication by integrating Elliptic Curve Cryptography (ECC) with image-based steganography within a Tkinter-based graphical user interface (GUI). The application provides a seamless and secure method for encoding confidential messages into images, leveraging ECC's strong encryption capabilities to ensure message confidentiality while using steganography to discreetly conceal the encrypted data. This dual-layer approach enhances security by not only encrypting the message but also hiding its presence, making unauthorized access significantly more challenging. The user-friendly GUI enhances the overall experience by allowing users to easily generate ECC key pairs, encrypt and embed messages, and decode hidden information without requiring extensive technical knowledge. Supporting various image formats and incorporating additional features like password protection and potential future enhancements, the application is both versatile and robust. Ultimately, this project represents a significant advancement in secure message transmission, offering a practical and accessible tool for safeguarding sensitive information through a combination of advanced cryptographic and steganographic techniques. Project 11 and 12 represents a significant advancement in secure message transmission by seamlessly integrating ElGamal encryption with image-based steganography. The graphical user interface (GUI) developed with Tkinter facilitates a straightforward and intuitive approach to managing cryptographic operations, enabling users to encode and decode messages within images effortlessly. By leveraging the ElGamal algorithm's robust encryption capabilities alongside the subtlety of steganographic techniques, the application offers a comprehensive solution for confidential communication. The practical implementation of this tool demonstrates the powerful synergy between encryption and steganography, making it accessible to users without requiring deep technical expertise. With dedicated tabs for key generation, message encoding, and decoding, the application ensures that users can securely hide and retrieve information while maintaining a user-friendly experience. This project not only highlights the potential of combining these technologies but also serves as a practical example of how advanced cryptographic methods can be effectively applied in real-world scenarios.

Cryptography for Developers

Author : Tom St Denis
Publisher : Elsevier
ISBN 13 : 0080503454
Total Pages : 449 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Cryptography for Developers by : Tom St Denis

Download or read book Cryptography for Developers written by Tom St Denis and published by Elsevier. This book was released on 2006-12-01 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only guide for software developers who must learn and implement cryptography safely and cost effectively.Cryptography for Developers begins with a chapter that introduces the subject of cryptography to the reader. The second chapter discusses how to implement large integer arithmetic as required by RSA and ECC public key algorithms The subsequent chapters discuss the implementation of symmetric ciphers, one-way hashes, message authentication codes, combined authentication and encryption modes, public key cryptography and finally portable coding practices. Each chapter includes in-depth discussion on memory/size/speed performance trade-offs as well as what cryptographic problems are solved with the specific topics at hand. - The author is the developer of the industry standard cryptographic suite of tools called LibTom - A regular expert speaker at industry conferences and events on this development

Security in Computing and Communications

Author : Jemal H. Abawajy
Publisher : Springer
ISBN 13 : 331922915X
Total Pages : 561 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Security in Computing and Communications by : Jemal H. Abawajy

Download or read book Security in Computing and Communications written by Jemal H. Abawajy and published by Springer. This book was released on 2015-08-07 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the International Symposium on Security in Computing and Communications, SSCC 2015, held in Kochi, India, in August 2015. The 36 revised full papers presented together with 13 short papers were carefully reviewed and selected from 157 submissions. The papers are organized in topical sections on security in cloud computing; authentication and access control systems; cryptography and steganography; system and network security; application security.

Learning Python

Author : Mark Lutz
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 144937932X
Total Pages : 1218 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Learning Python by : Mark Lutz

Download or read book Learning Python written by Mark Lutz and published by "O'Reilly Media, Inc.". This book was released on 2009-10-06 with total page 1218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Google and YouTube use Python because it's highly adaptable, easy to maintain, and allows for rapid development. If you want to write high-quality, efficient code that's easily integrated with other languages and tools, this hands-on book will help you be productive with Python quickly -- whether you're new to programming or just new to Python. It's an easy-to-follow self-paced tutorial, based on author and Python expert Mark Lutz's popular training course. Each chapter contains a stand-alone lesson on a key component of the language, and includes a unique Test Your Knowledge section with practical exercises and quizzes, so you can practice new skills and test your understanding as you go. You'll find lots of annotated examples and illustrations to help you get started with Python 3.0. Learn about Python's major built-in object types, such as numbers, lists, and dictionaries Create and process objects using Python statements, and learn Python's general syntax model Structure and reuse code using functions, Python's basic procedural tool Learn about Python modules: packages of statements, functions, and other tools, organized into larger components Discover Python's object-oriented programming tool for structuring code Learn about the exception-handling model, and development tools for writing larger programs Explore advanced Python tools including decorators, descriptors, metaclasses, and Unicode processing

Network Security with OpenSSL

Author : John Viega
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596551975
Total Pages : 387 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis Network Security with OpenSSL by : John Viega

Download or read book Network Security with OpenSSL written by John Viega and published by "O'Reilly Media, Inc.". This book was released on 2002-06-17 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most applications these days are at least somewhat network aware, but how do you protect those applications against common network security threats? Many developers are turning to OpenSSL, an open source version of SSL/TLS, which is the most widely used protocol for secure network communications.The OpenSSL library is seeing widespread adoption for web sites that require cryptographic functions to protect a broad range of sensitive information, such as credit card numbers and other financial transactions. The library is the only free, full-featured SSL implementation for C and C++, and it can be used programmatically or from the command line to secure most TCP-based network protocols.Network Security with OpenSSL enables developers to use this protocol much more effectively. Traditionally, getting something simple done in OpenSSL could easily take weeks. This concise book gives you the guidance you need to avoid pitfalls, while allowing you to take advantage of the library?s advanced features. And, instead of bogging you down in the technical details of how SSL works under the hood, this book provides only the information that is necessary to use OpenSSL safely and effectively. In step-by-step fashion, the book details the challenges in securing network communications, and shows you how to use OpenSSL tools to best meet those challenges.As a system or network administrator, you will benefit from the thorough treatment of the OpenSSL command-line interface, as well as from step-by-step directions for obtaining certificates and setting up your own certification authority. As a developer, you will further benefit from the in-depth discussions and examples of how to use OpenSSL in your own programs. Although OpenSSL is written in C, information on how to use OpenSSL with Perl, Python and PHP is also included.OpenSSL may well answer your need to protect sensitive data. If that?s the case, Network Security with OpenSSL is the only guide available on the subject.

Python For Dummies

Author : Stef Maruch
Publisher : John Wiley & Sons
ISBN 13 : 1118084845
Total Pages : 443 pages
Book Rating : 4.1/5 (18 download)

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Book Synopsis Python For Dummies by : Stef Maruch

Download or read book Python For Dummies written by Stef Maruch and published by John Wiley & Sons. This book was released on 2011-05-09 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: Python is one of the most powerful, easy-to-read programming languages around, but it does have its limitations. This general purpose, high-level language that can be extended and embedded is a smart option for many programming problems, but a poor solution to others. Python For Dummies is the quick-and-easy guide to getting the most out of this robust program. This hands-on book will show you everything you need to know about building programs, debugging code, and simplifying development, as well as defining what actions it can perform. You’ll wrap yourself around all of its advanced features and become an expert Python user in no time. This guide gives you the tools you need to: Master basic elements and syntax Document, design, and debug programs Work with strings like a pro Direct a program with control structures Integrate integers, complex numbers, and modules Build lists, stacks, and queues Create an organized dictionary Handle functions, data, and namespace Construct applications with modules and packages Call, create, extend, and override classes Access the Internet to enhance your library Understand the new features of Python 2.5 Packed with critical idioms and great resources to maximize your productivity, Python For Dummies is the ultimate one-stop information guide. In a matter of minutes you’ll be familiar with Python’s building blocks, strings, dictionaries, and sets; and be on your way to writing the program that you’ve dreamed about!

Introduction to Python for Engineers and Scientists

Author : Sandeep Nagar
Publisher : Apress
ISBN 13 : 1484232046
Total Pages : 264 pages
Book Rating : 4.4/5 (842 download)

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Book Synopsis Introduction to Python for Engineers and Scientists by : Sandeep Nagar

Download or read book Introduction to Python for Engineers and Scientists written by Sandeep Nagar and published by Apress. This book was released on 2017-12-06 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Familiarize yourself with the basics of Python for engineering and scientific computations using this concise, practical tutorial that is focused on writing code to learn concepts. Introduction to Python is useful for industry engineers, researchers, and students who are looking for open-source solutions for numerical computation. In this book you will learn by doing, avoiding technical jargon, which makes the concepts easy to learn. First you’ll see how to run basic calculations, absorbing technical complexities incrementally as you progress toward advanced topics. Throughout, the language is kept simple to ensure that readers at all levels can grasp the concepts. What You'll Learn Understand the fundamentals of the Python programming language Apply Python to numerical computational programming projects in engineering and science Discover the Pythonic way of life Apply data types, operators, and arrays Carry out plotting for visualization Work with functions and loops Who This Book Is For Engineers, scientists, researchers, and students who are new to Python. Some prior programming experience would be helpful but not required.

Android Security Internals

Author : Nikolay Elenkov
Publisher : No Starch Press
ISBN 13 : 1593275811
Total Pages : 434 pages
Book Rating : 4.5/5 (932 download)

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Book Synopsis Android Security Internals by : Nikolay Elenkov

Download or read book Android Security Internals written by Nikolay Elenkov and published by No Starch Press. This book was released on 2014-10-14 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are more than one billion Android devices in use today, each one a potential target. Unfortunately, many fundamental Android security features have been little more than a black box to all but the most elite security professionals—until now. In Android Security Internals, top Android security expert Nikolay Elenkov takes us under the hood of the Android security system. Elenkov describes Android security architecture from the bottom up, delving into the implementation of major security-related components and subsystems, like Binder IPC, permissions, cryptographic providers, and device administration. You’ll learn: –How Android permissions are declared, used, and enforced –How Android manages application packages and employs code signing to verify their authenticity –How Android implements the Java Cryptography Architecture (JCA) and Java Secure Socket Extension (JSSE) frameworks –About Android’s credential storage system and APIs, which let applications store cryptographic keys securely –About the online account management framework and how Google accounts integrate with Android –About the implementation of verified boot, disk encryption, lockscreen, and other device security features –How Android’s bootloader and recovery OS are used to perform full system updates, and how to obtain root access With its unprecedented level of depth and detail, Android Security Internals is a must-have for any security-minded Android developer.

Secure XML

Author : Donald Eastlake
Publisher : Addison-Wesley Professional
ISBN 13 : 0201756056
Total Pages : 559 pages
Book Rating : 4.2/5 (17 download)

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Book Synopsis Secure XML by : Donald Eastlake

Download or read book Secure XML written by Donald Eastlake and published by Addison-Wesley Professional. This book was released on 2002 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative and comprehensive workbook covers XML encryption, confidentiality, authentication, digital signatures, message authentication, and cryptographic algorithms. This book will show developers all they need to know about how to use XML Digital Signatures to protect the integrity and authenticity of data, and how to use XML Encryption to control its confidentiality.

Text Processing in Python

Author : David Mertz
Publisher : Addison-Wesley Professional
ISBN 13 : 9780321112545
Total Pages : 544 pages
Book Rating : 4.1/5 (125 download)

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Book Synopsis Text Processing in Python by : David Mertz

Download or read book Text Processing in Python written by David Mertz and published by Addison-Wesley Professional. This book was released on 2003 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: bull; Demonstrates how Python is the perfect language for text-processing functions. bull; Provides practical pointers and tips that emphasize efficient, flexible, and maintainable approaches to text-processing challenges. bull; Helps programmers develop solutions for dealing with the increasing amounts of data with which we are all inundated.

Cryptography Engineering

Author : Niels Ferguson
Publisher : John Wiley & Sons
ISBN 13 : 1118080912
Total Pages : 396 pages
Book Rating : 4.1/5 (18 download)

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Book Synopsis Cryptography Engineering by : Niels Ferguson

Download or read book Cryptography Engineering written by Niels Ferguson and published by John Wiley & Sons. This book was released on 2011-02-02 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ultimate guide to cryptography, updated from an author team of the world's top cryptography experts. Cryptography is vital to keeping information safe, in an era when the formula to do so becomes more and more challenging. Written by a team of world-renowned cryptography experts, this essential guide is the definitive introduction to all major areas of cryptography: message security, key negotiation, and key management. You'll learn how to think like a cryptographer. You'll discover techniques for building cryptography into products from the start and you'll examine the many technical changes in the field. After a basic overview of cryptography and what it means today, this indispensable resource covers such topics as block ciphers, block modes, hash functions, encryption modes, message authentication codes, implementation issues, negotiation protocols, and more. Helpful examples and hands-on exercises enhance your understanding of the multi-faceted field of cryptography. An author team of internationally recognized cryptography experts updates you on vital topics in the field of cryptography Shows you how to build cryptography into products from the start Examines updates and changes to cryptography Includes coverage on key servers, message security, authentication codes, new standards, block ciphers, message authentication codes, and more Cryptography Engineering gets you up to speed in the ever-evolving field of cryptography.

Advanced Guide to Python 3 Programming

Author : John Hunt
Publisher : Springer Nature
ISBN 13 : 3031403363
Total Pages : 638 pages
Book Rating : 4.0/5 (314 download)

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Book Synopsis Advanced Guide to Python 3 Programming by : John Hunt

Download or read book Advanced Guide to Python 3 Programming written by John Hunt and published by Springer Nature. This book was released on 2023-11-02 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Guide to Python 3 Programming 2nd Edition delves deeply into a host of subjects that you need to understand if you are to develop sophisticated real-world programs. Each topic is preceded by an introduction followed by more advanced topics, along with numerous examples, that take you to an advanced level. This second edition has been significantly updated with two new sections on advanced Python language concepts and data analytics and machine learning. The GUI chapters have been rewritten to use the Tkinter UI library and a chapter on performance monitoring and profiling has been added. In total there are 18 new chapters, and all remaining chapters have been updated for the latest version of Python as well as for any of the libraries they use. There are eleven sections within the book covering Python Language Concepts, Computer Graphics (including GUIs), Games, Testing, File Input and Output, Databases Access, Logging, Concurrency and Parallelism, Reactive Programming, Networking and Data Analytics. Each section is self-contained and can either be read on its own or as part of the book as a whole. It is aimed at those who have learnt the basics of the Python 3 language but wish to delve deeper into Python’s eco system of additional libraries and modules.

Mastering Python for Networking and Security

Author : José Ortega
Publisher : Packt Publishing Ltd
ISBN 13 : 1839216212
Total Pages : 539 pages
Book Rating : 4.8/5 (392 download)

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Book Synopsis Mastering Python for Networking and Security by : José Ortega

Download or read book Mastering Python for Networking and Security written by José Ortega and published by Packt Publishing Ltd. This book was released on 2021-01-04 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tackle security and networking issues using Python libraries such as Nmap, requests, asyncio, and scapy Key Features Enhance your Python programming skills in securing systems and executing networking tasks Explore Python scripts to debug and secure complex networks Learn to avoid common cyber events with modern Python scripting Book DescriptionIt’s now more apparent than ever that security is a critical aspect of IT infrastructure, and that devastating data breaches can occur from simple network line hacks. As shown in this book, combining the latest version of Python with an increased focus on network security can help you to level up your defenses against cyber attacks and cyber threats. Python is being used for increasingly advanced tasks, with the latest update introducing new libraries and packages featured in the Python 3.7.4 recommended version. Moreover, most scripts are compatible with the latest versions of Python and can also be executed in a virtual environment. This book will guide you through using these updated packages to build a secure network with the help of Python scripting. You’ll cover a range of topics, from building a network to the procedures you need to follow to secure it. Starting by exploring different packages and libraries, you’ll learn about various ways to build a network and connect with the Tor network through Python scripting. You will also learn how to assess a network's vulnerabilities using Python security scripting. Later, you’ll learn how to achieve endpoint protection by leveraging Python packages, along with writing forensic scripts. By the end of this Python book, you’ll be able to use Python to build secure apps using cryptography and steganography techniques.What you will learn Create scripts in Python to automate security and pentesting tasks Explore Python programming tools that are used in network security processes Automate tasks such as analyzing and extracting information from servers Understand how to detect server vulnerabilities and analyze security modules Discover ways to connect to and get information from the Tor network Focus on how to extract information with Python forensics tools Who this book is for This Python network security book is for network engineers, system administrators, or any security professional looking to overcome networking and security challenges. You will also find this book useful if you’re a programmer with prior experience in Python. A basic understanding of general programming structures and the Python programming language is required before getting started.

Python Essential Reference

Author : David M Beazley
Publisher : Addison-Wesley Professional
ISBN 13 : 0768687020
Total Pages : 745 pages
Book Rating : 4.7/5 (686 download)

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Book Synopsis Python Essential Reference by : David M Beazley

Download or read book Python Essential Reference written by David M Beazley and published by Addison-Wesley Professional. This book was released on 2009-06-29 with total page 745 pages. Available in PDF, EPUB and Kindle. Book excerpt: Python Essential Reference is the definitive reference guide to the Python programming language — the one authoritative handbook that reliably untangles and explains both the core Python language and the most essential parts of the Python library. Designed for the professional programmer, the book is concise, to the point, and highly accessible. It also includes detailed information on the Python library and many advanced subjects that is not available in either the official Python documentation or any other single reference source. Thoroughly updated to reflect the significant new programming language features and library modules that have been introduced in Python 2.6 and Python 3, the fourth edition of Python Essential Reference is the definitive guide for programmers who need to modernize existing Python code or who are planning an eventual migration to Python 3. Programmers starting a new Python project will find detailed coverage of contemporary Python programming idioms. This fourth edition of Python Essential Reference features numerous improvements, additions, and updates: Coverage of new language features, libraries, and modules Practical coverage of Python's more advanced features including generators, coroutines, closures, metaclasses, and decorators Expanded coverage of library modules related to concurrent programming including threads, subprocesses, and the new multiprocessing module Up-to-the-minute coverage of how to use Python 2.6’s forward compatibility mode to evaluate code for Python 3 compatibility Improved organization for even faster answers and better usability Updates to reflect modern Python programming style and idioms Updated and improved example code Deep coverage of low-level system and networking library modules — including options not covered in the standard documentation

Python in High School

Author : Arnaud Bodin
Publisher :
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.6/5 (175 download)

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Book Synopsis Python in High School by : Arnaud Bodin

Download or read book Python in High School written by Arnaud Bodin and published by . This book was released on 2020-03-10 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Python is the ideal language to learn programming. It is a powerful language that will immerse you in the world of algorithms. This book guides you step by step through original mathematical and computer activities adapted to high school. It is complemented by online resources: all the Python codes and colourful chapters. You have everything you need to succeed!* Hello world! * Turtle (Scratch with Python) * If ... then ... * Functions * Arithmetic - While loop - I * Strings - Analysis of a text * Lists I * Statistics - Data visualization * Files * Arithmetic - While loop - II * Binary I * Lists II * Binary II * Probabilities - Parrondo's paradox * Find and replace * Polish calculator - Stacks * Text viewer -Markdown * L-systems * Dynamic images * Game of life * Ramsey graphs and combinatorics * Bitcoin * Random blocks *