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# JavaScript MD5 ## Contents - [Demo](https://blueimp.github.io/JavaScript-MD5/) - [Description](#description) - [Usage](#usage) - [Client-side](#client-side) - [Server-side](#server-side) - [Requirements](#requirements) - [API](#api) - [Tests](#tests) - [License](#license) ## Description JavaScript [MD5](https://en.wikipedia.org/wiki/MD5) implementation. Compatible with server-side environments like [Node.js](https://nodejs.org/), module loaders like [RequireJS](https://requirejs.org/) or [webpack](https://webpack.js.org/) and all web browsers. ## Usage ### Client-side Install the **blueimp-md5** package with [NPM](https://www.npmjs.org/): ```sh npm install blueimp-md5 ``` Include the (minified) JavaScript [MD5](https://en.wikipedia.org/wiki/MD5) script in your HTML markup: ```html <script src="js/md5.min.js"></script> ``` In your application code, calculate the ([hex](https://en.wikipedia.org/wiki/Hexadecimal)-encoded) [MD5](https://en.wikipedia.org/wiki/MD5) hash of a string by calling the **md5** method with the string as argument: ```js var hash = md5('value') // "2063c1608d6e0baf80249c42e2be5804" ``` ### Server-side The following is an example how to use the JavaScript MD5 module on the server-side with [Node.js](https://nodejs.org/). Install the **blueimp-md5** package with [NPM](https://www.npmjs.org/): ```sh npm install blueimp-md5 ``` Add a file **server.js** with the following content: ```js require('http') .createServer(function (req, res) { // The md5 module exports the md5() function: var md5 = require('./md5'), // Use the following version if you installed the package with npm: // var md5 = require("blueimp-md5"), url = require('url'), query = url.parse(req.url).query res.writeHead(200, { 'Content-Type': 'text/plain' }) // Calculate and print the MD5 hash of the url query: res.end(md5(query)) }) .listen(8080, 'localhost') console.log('Server running at http://localhost:8080/') ``` Run the application with the following command: ```sh node server.js ``` ## Requirements The JavaScript MD5 script has zero dependencies. ## API Calculate the ([hex](https://en.wikipedia.org/wiki/Hexadecimal)-encoded) [MD5](https://en.wikipedia.org/wiki/MD5) hash of a given string value: ```js var hash = md5('value') // "2063c1608d6e0baf80249c42e2be5804" ``` Calculate the ([hex](https://en.wikipedia.org/wiki/Hexadecimal)-encoded) [HMAC](https://en.wikipedia.org/wiki/HMAC)-MD5 hash of a given string value and key: ```js var hash = md5('value', 'key') // "01433efd5f16327ea4b31144572c67f6" ``` Calculate the raw [MD5](https://en.wikipedia.org/wiki/MD5) hash of a given string value: ```js var hash = md5('value', null, true) ``` Calculate the raw [HMAC](https://en.wikipedia.org/wiki/HMAC)-MD5 hash of a given string value and key: ```js var hash = md5('value', 'key', true) ``` ## Tests The JavaScript MD5 project comes with [Unit Tests](https://en.wikipedia.org/wiki/Unit_testing). There are two different ways to run the tests: - Open test/index.html in your browser or - run `npm test` in the Terminal in the root path of the repository package. The first one tests the browser integration, the second one the [Node.js](https://nodejs.org/) integration. ## License The JavaScript MD5 script is released under the [MIT license](https://opensource.org/licenses/MIT).