Essential Cryptography for JavaScript developers: A practical guide to leveraging common cryptographic operations in Node.js and the browser by

Essential Cryptography for JavaScript developers: A practical guide to leveraging common cryptographic operations in Node.js and the browser

Page: 151
Format: pdf, ePub, mobi, fb2
ISBN: 9781801075336
Publisher: Packt Publishing
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Overview

Discover how take advantage of common cryptographic operations to build safer apps that respect users' privacy with the help of examples in JavaScript for Node.js and browsers Understand how to implement common cryptographic operations in your code with practical examples Learn about picking modern safe algorithms, which libraries you should rely on, and how to use them correctly Build modern and secure applications that respect your users' privacy with cryptography While there's no shortage of books on cryptography, the majority of them are created for an audience of cryptographers (or aspiring ones) and/or mathematicians. They tend to focus on the implementation details of the algorithms and contain a lot of complex math, and might not be the most suitable for developers to quickly learn from. This book takes a different approach, focused on the practical adoption of cryptography instead. It teaches you the different types of cryptographic operations and explains how and when they should be used, with plenty of JavaScript code samples for Node.js and the browser, using built-in modules or trusted libraries. Throughout this book, you'll learn about common categories of cryptographic operations that you'll likely need to work with, including hashing, symmetric and asymmetric ciphers, and digital signatures. You'll understand how to choose and implement the most popular (and tried and tested) algorithms to perform these operations, as well as how to deal with password and key management. By the end of the book, you're not expected to become a cryptographer, but you'll have enough skills to be able to safely implement common cryptography-based solutions in JavaScript, and knowledge that should be portable to other frameworks and languages. Get to grips with using modern, safe hashing functions for calculating digests and key derivation Understand the difference between symmetric and asymmetric encryption and when to use them Encrypt data with a symmetric key using AES and ChaCha20-Poly1305 Use asymmetric encryption with RSA and elliptic curve cryptography (ECC) Discover how to calculate and verify digital signatures Find out how to safely manage passwords and encryption keys If you're a developer building applications with JavaScript, for Node.js and the browser, and want to leverage cryptography, this book is for you. This cryptography book is for JavaScript developers who are not cryptographers and are not interested in becoming one; instead, they are just want to leverage common cryptographic solutions in their applications correctly and safely. You'll need to have at least intermediate-level knowledge of building apps with JavaScript and familiarity with Node.js to make the most of this book. Cryptography for Developers Dealing with Binary and Random Data File and Password Hashing with Node.js Symmetric Encryption in Node.js Using Asymmetric Cryptography in Node.js Creating and Validating Digital Signatures Safely Managing Passwords and Keys in Node.js Exposing Cryptographic Functions to Browser JavaScript

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