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Crc32 implemented in JavaScript
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bin Compatible with node buffers Nov 20, 2011
lib compatibility with require.js and browsers Apr 14, 2013
test Compatible with node buffers Nov 20, 2011
LICENSE.MIT Added license Nov 5, 2011
README.md Added support for append-mode Nov 6, 2011
package.json Updated to work with node 0.6.x Nov 21, 2011

README.md

Intro

CRC means 'Cyclic Redundancy Check' and is a way to checksum data. It is a simple algorithm based on polynomials and is used in such projects as gzip.

This module only works with UTF-8 strings, and is meant to be able to work on node and in the browser.

This module also supports append mode (where a running crc sum is stored). Running in regular mode will reset the current crc sum.

Install

To use in node:

npm install crc32

To use in the browser, use pakmanager.

API

var crc32 = require('crc32');

// runs on some string using a table
crc32(someString);

// runs on some string using direct mode
crc32(someString, true);

// directly run on someString using a table
crc32.table(someString);

// directly run on someString using a table in append mode
crc32.table(someString, true);

// directly run on someString using direct mode
crc32.direct(someString);
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