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Essential Cryptography for JavaScript Developers

You're reading from Essential Cryptography for JavaScript Developers A practical guide to leveraging common cryptographic operations in Node.js and the browser

Product type Paperback

Published in Feb 2022

Publisher Packt

ISBN-13 9781801075336

Length 220 pages

Edition 1st Edition

Languages

JavaScript

Tools

Node.js

Concepts

Cryptography

Author (1):

Alessandro Segala

View More author details

Table of Contents (13) Chapters

Preface

1. Part 1 – Getting Started

2. Chapter 1: Cryptography for Developers FREE CHAPTER

3. Chapter 2: Dealing with Binary and Random Data

4. Part 2 – Using Common Cryptographic Operations with Node.js

5. Chapter 3: File and Password Hashing with Node.js

6. Chapter 4: Symmetric Encryption in Node.js

7. Chapter 5: Using Asymmetric and Hybrid Encryption in Node.js

8. Chapter 6: Digital Signatures with Node.js and Trust

9. Part 3 – Cryptography in the Browser

10. Chapter 7: Introduction to Cryptography in the Browser

11. Chapter 8: Performing Common Cryptographic Operations in the Browser

12. Other Books You May Enjoy

Symmetric encryption with AES

The Advanced Encryption Standard (AES) is one of the most widely used symmetric ciphers, and it's been like that since its standardization in the early 2000s. It's safe (approved by the US government for encrypting "top secret" documents) and fast, with support available in all operating systems and programming languages.

Additionally, hardware acceleration for AES is available in all modern desktop and server CPUs (for example, the AES-NI instructions in Intel and AMD processors), as well as in a large number of mobile/embedded chips, making executing AES rather cheap in terms of computing power. A regular consumer-grade CPU can easily encrypt or decrypt AES streams at the speed of multiple gigabits per second. Many consumer operating systems are now encrypting hard drives by default, transparently to the user, using AES – that's the case of BitLocker on Windows and FileVault on macOS, for example.

To use AES, you...

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Authors (1)

Segala

Segala

Alessandro Segala is a product manager at Microsoft working on developer tools. A software engineer at heart, he has over a decade of experience building full stack web applications, having worked as a professional developer as well as contributing to and maintaining various open source projects. In addition to writing about software development on his blog, Alessandro had his first book, Svelte 3 Up and Running, published by Packt in 2020.

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