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  • Book Overview & Buying Node Cookbook
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Node Cookbook

Node Cookbook

By : David Mark Clements
4 (9)
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Node Cookbook

Node Cookbook

4 (9)
By: David Mark Clements

Overview of this book

The principles of asynchronous event-driven programming are perfect for today's web, where efficient real-time applications and scalability are at the forefront. Server-side JavaScript has been here since the 90's but Node got it right. With a thriving community and interest from Internet giants, it could be the PHP of tomorrow. "Node Cookbook" shows you how to transfer your JavaScript skills to server side programming. With simple examples and supporting code, "Node Cookbook" talks you through various server side scenarios often saving you time, effort, and trouble by demonstrating best practices and showing you how to avoid security faux pas. Beginning with making your own web server, the practical recipes in this cookbook are designed to smoothly progress you to making full web applications, command line applications, and Node modules. Node Cookbook takes you through interfacing with various database backends such as MySQL, MongoDB and Redis, working with web sockets, and interfacing with network protocols, such as SMTP. Additionally, there are recipes on correctly performing heavy computations, security implementations, writing, your own Node modules and different ways to take your apps live.
Table of Contents (16 chapters)
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Node Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface

Cryptographic password hashing


Effective encryption is a fundamental part of online security. Node provides the crypto module which we can use to generate our own MD5 or SHA1 hashes for user passwords. Cryptographic hashes, such as MD5 and SHA1 are known as message digests. Once the input data has been digested (encrypted), it cannot be put back into its original form (of course if we know the original password, we can regenerate the hash and compare it to our stored hash).

We can use hashes to encrypt a user's password before we store them. If our stored passwords were ever stolen by an attacker, they couldn't be used to log in because the attacker would not have the actual plain text passwords. However, since a hash algorithm always produces the same result, it could be possible for an attacker to crack a hash by matching it against hashes generated from a password dictionary (see the There's more ... section for ways to mitigate this).

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83
Tech Concepts
36
Programming languages
73
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Node Cookbook
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