Package Exports
- scryptsy
This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (scryptsy) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.
Readme
scryptsy
scryptsy
is a pure JavaScript implementation of the scrypt key deriviation function that is fully compatible with Node.js and the browser (via Browserify).
Why?
Scrypt
is an integral part of many crypto currencies. It's a part of the BIP38 standard for encrypting private Bitcoin keys. It also serves as the proof-of-work system for many crypto currencies, most notably: Litecoin and Dogecoin.
Why didn't I just the predominant pure JavaScript imlementation found here? Because it's riddled with bugs, contains no tests, and is a transliteration of the Java version. i.e. it's neither Node.js optimized nor browser optimized. Required optimizations: Buffer in Node.js and type arrays in the browser.
Usage
Installation
npm install --save scryptsy
Example
var scrypt = require('scryptsy').scrypt;
var key = "pleaseletmein";
var salt = "SodiumChloride";
var data = scrypt(key, salt, 16384, 8, 1, 64);
console.log(data.toString('hex'))
// => 7023bdcb3afd7348461c06cd81fd38ebfda8fbba904f8e3ea9b543f6545da1f2d5432955613f0fcf62d49705242a9af9e61e85dc0d651e40dfcf017b45575887
Resources
- Tarsnap Blurb on Scrypt
- node-scrypt A Node.js wrapper for the C++ scrypt utility
- Scrypt Whitepaper
- IETF Scrypt (Test vector params are incorrect.)
Credits
This code was modified from the code found here https://github.com/cheongwy/node-scrypt-js which was based on https://github.com/wg/scrypt.