# js-md2
[![Build Status](https://api.travis-ci.org/emn178/js-md5.png)](https://travis-ci.org/emn178/js-md5)
[![Build Status](https://coveralls.io/repos/emn178/js-md5/badge.png?branch=master)](https://coveralls.io/r/emn178/js-md5?branch=master)  
[![NPM](https://nodei.co/npm/js-md5.png?stars&downloads)](https://nodei.co/npm/js-md5/)  
A simple MD2 hash function for JavaScript supports UTF-8 encoding.

## Demo
[MD2 Online](http://emn178.github.io/online-tools/md2.html)  

## Download
[Compress](https://raw.github.com/emn178/js-md2/master/build/md2.min.js)  
[Uncompress](https://raw.github.com/emn178/js-md2/master/src/md2.js)

## Installation
You can also install js-md2 by using Bower.

    bower install js-md2

For node.js, you can use this command to install:

    npm install js-md2

## Usage
You could use like this:
```JavaScript
md2('Message to hash');
```
If you use node.js, you should require the module first:
```JavaScript
md2 = require('js-md2');
```

### Methods

#### md2(str, asciiOnly)

Hash string to md2, set asciiOnly to true for better performace if you ensure input is ascii.

##### *str: `String`*

String to hash.

##### *asciiOnly: `Boolean` (default: `false`)*

Specify the string encoding is ASCII.

## Example
Code
```JavaScript
md2('');
md2('The quick brown fox jumps over the lazy dog');
md2('The quick brown fox jumps over the lazy dog.');
```
Output

    8350e5a3e24c153df2275c9f80692773
    03d85a0d629d2c442e987525319fc471
    71eaa7e440b611e41a6f0d97384b342a

It also supports UTF-8 encoding:

Code
```JavaScript
md2('中文');
```
Output

    7af93c270b0ec392ca2f0d90a927cf8a

## Extensions
### jQuery
If you prefer jQuery style, you can add following code to add a jQuery extension.

Code
```JavaScript
jQuery.md2 = md2
```
And then you could use like this:
```JavaScript
$.md2('message');
```
### Prototype
If you prefer prototype style, you can add following code to add a prototype extension.

Code
```JavaScript
String.prototype.md2 = function() {
  return md2(this);
};
```
And then you could use like this:
```JavaScript
'message'.md2();
```
## License
The project is released under the [MIT license](http://www.opensource.org/licenses/MIT).

## Contact
The project's website is located at https://github.com/emn178/js-md2  
Author: emn178@gmail.com