Existing CRC modules or code used either inefficient table look ups, didn't convert strings to binary data, or both. This creates problems when hashing the same value across different languages and platforms. Based off of https://github.com/alexgorbatchev/node-crc and http://stackoverflow.com/a/3346629/718051 To install: mikey$ git clone git@github.com:mikepulaski/node-crc32.git mikey$ npm install crc32/ To use: mikey$ node > var crc32 = require('crc32') undefined > crc32('hello world') 222957957 > crc32('1_hi') // try doing this without binary encoding 2541293830 Voila... c'est hyper sympa.
mikepulaski/node-crc32
CRC32 for binary data, which yields consistent values from other platforms
JavaScript