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# Forge [](https://nodei.co/npm/node-forge/) [](https://travis-ci.org/digitalbazaar/forge) A native implementation of [TLS][] (and various other cryptographic tools) in [JavaScript][]. Introduction ------------ The Forge software is a fully native implementation of the [TLS][] protocol in JavaScript, a set of cryptography utilities, and a set of tools for developing Web Apps that utilize many network resources. Performance ------------ Forge is fast. Benchmarks against other popular JavaScript cryptography libraries can be found here: * http://dominictarr.github.io/crypto-bench/ * http://cryptojs.altervista.org/test/simulate-threading-speed_test.html Documentation ------------- * [Introduction](#introduction) * [Performance](#performance) * [Installation](#installation) * [Testing](#testing) * [Contributing](#contributing) ### API * [Options](#options) ### Transports * [TLS](#tls) * [HTTP](#http) * [SSH](#ssh) * [XHR](#xhr) * [Sockets](#socket) ### Ciphers * [CIPHER](#cipher) * [AES](#aes) * [DES](#des) * [RC2](#rc2) ### PKI * [ED25519](#ed25519) * [RSA](#rsa) * [RSA-KEM](#rsakem) * [X.509](#x509) * [PKCS#5](#pkcs5) * [PKCS#7](#pkcs7) * [PKCS#8](#pkcs8) * [PKCS#10](#pkcs10) * [PKCS#12](#pkcs12) * [ASN.1](#asn) ### Message Digests * [SHA1](#sha1) * [SHA256](#sha256) * [SHA384](#sha384) * [SHA512](#sha512) * [MD5](#md5) * [HMAC](#hmac) ### Utilities * [Prime](#prime) * [PRNG](#prng) * [Tasks](#task) * [Utilities](#util) * [Logging](#log) * [Debugging](#debug) * [Flash Networking Support](#flash) ### Other * [Security Considerations](#security-considerations) * [Library Background](#library-background) * [Contact](#contact) * [Donations](#donations) --------------------------------------- Installation ------------ **Note**: Please see the [Security Considerations](#security-considerations) section before using packaging systems and pre-built files. Forge uses a [CommonJS][] module structure with a build process for browser bundles. The older [0.6.x][] branch with standalone files is available but will not be regularly updated. ### Node.js If you want to use forge with [Node.js][], it is available through `npm`: https://npmjs.org/package/node-forge Installation: npm install node-forge You can then use forge as a regular module: ```js var forge = require('node-forge'); ``` The npm package includes pre-built `forge.min.js`, `forge.all.min.js`, and `prime.worker.min.js` using the [UMD][] format. ### Bundle / Bower Each release is published in a separate repository as pre-built and minimized basic forge bundles using the [UMD][] format. https://github.com/digitalbazaar/forge-dist This bundle can be used in many environments. In particular it can be installed with [Bower][]: bower install forge ### jsDelivr CDN To use it via [jsDelivr](https://www.jsdelivr.com/package/npm/node-forge) include this in your html: ```html <script src="https://cdn.jsdelivr.net/npm/node-forge@0.7.0/dist/forge.min.js"></script> ``` ### unpkg CDN To use it via [unpkg](https://unpkg.com/#/) include this in your html: ```html <script src="https://unpkg.com/node-forge@0.7.0/dist/forge.min.js"></script> ``` ### Development Requirements The core JavaScript has the following requirements to build and test: * Building a browser bundle: * Node.js * npm * Testing * Node.js * npm * Chrome, Firefox, Safari (optional) Some special networking features can optionally use a Flash component. See the [Flash README](./flash/README.md) for details. ### Building for a web browser To create single file bundles for use with browsers run the following: npm install npm run build This will create single non-minimized and minimized files that can be included in the browser: dist/forge.js dist/forge.min.js A bundle that adds some utilities and networking support is also available: dist/forge.all.js dist/forge.all.min.js Include the file via: ```html <script src="YOUR_SCRIPT_PATH/forge.js"></script> ``` or ```html <script src="YOUR_SCRIPT_PATH/forge.min.js"></script> ``` The above bundles will synchronously create a global 'forge' object. **Note**: These bundles will not include any WebWorker scripts (eg: `dist/prime.worker.js`), so these will need to be accessible from the browser if any WebWorkers are used. ### Building a custom browser bundle The build process uses [webpack][] and the [config](./webpack.config.js) file can be modified to generate a file or files that only contain the parts of forge you need. [Browserify][] override support is also present in `package.json`. Testing ------- ### Prepare to run tests npm install ### Running automated tests with Node.js Forge natively runs in a [Node.js][] environment: npm test ### Running automated tests with Headless Chrome Automated testing is done via [Karma][]. By default it will run the tests with Headless Chrome. npm run test-karma Is 'mocha' reporter output too verbose? Other reporters are available. Try 'dots', 'progress', or 'tap'. npm run test-karma -- --reporters progress By default [webpack][] is used. [Browserify][] can also be used. BUNDLER=browserify npm run test-karma ### Running automated tests with one or more browsers You can also specify one or more browsers to use. npm run test-karma -- --browsers Chrome,Firefox,Safari,ChromeHeadless The reporter option and `BUNDLER` environment variable can also be used. ### Running manual tests in a browser Testing in a browser uses [webpack][] to combine forge and all tests and then loading the result in a browser. A simple web server is provided that will output the HTTP or HTTPS URLs to load. It also will start a simple Flash Policy Server. Unit tests and older legacy tests are provided. Custom ports can be used by running `node tests/server.js` manually. To run the unit tests in a browser a special forge build is required: npm run test-build To run legacy browser based tests the main forge build is required: npm run build The tests are run with a custom server that prints out the URLs to use: npm run test-server ### Running other tests There are some other random tests and benchmarks available in the tests directory. ### Coverage testing To perform coverage testing of the unit tests, run the following. The results will be put in the `coverage/` directory. Note that coverage testing can slow down some tests considerably. npm install npm run coverage Contributing ------------ Any contributions (eg: PRs) that are accepted will be brought under the same license used by the rest of the Forge project. This license allows Forge to be used under the terms of either the BSD License or the GNU General Public License (GPL) Version 2. See: [LICENSE](https://github.com/digitalbazaar/forge/blob/cbebca3780658703d925b61b2caffb1d263a6c1d/LICENSE) If a contribution contains 3rd party source code with its own license, it may retain it, so long as that license is compatible with the Forge license. API --- <a name="options" /> ### Options If at any time you wish to disable the use of native code, where available, for particular forge features like its secure random number generator, you may set the ```forge.options.usePureJavaScript``` flag to ```true```. It is not recommended that you set this flag as native code is typically more performant and may have stronger security properties. It may be useful to set this flag to test certain features that you plan to run in environments that are different from your testing environment. To disable native code when including forge in the browser: ```js // run this *after* including the forge script forge.options.usePureJavaScript = true; ``` To disable native code when using Node.js: ```js var forge = require('node