# hash-base [![NPM Package](https://img.shields.io/npm/v/hash-base.svg?style=flat-square)](https://www.npmjs.org/package/hash-base) [![Build Status](https://img.shields.io/travis/crypto-browserify/hash-base.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/hash-base) [![Dependency status](https://img.shields.io/david/crypto-browserify/hash-base.svg?style=flat-square)](https://david-dm.org/crypto-browserify/hash-base#info=dependencies) [![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard) Abstract base class to inherit from if you want to create streams implementing the same API as node crypto [Hash][1] (for [Cipher][2] / [Decipher][3] check [crypto-browserify/cipher-base][4]). ## Example ```js function MyHash () { HashBase.call(64) // in bytes } inherti(MyHash, HashBase) MyHash.prototype._update = function () { // hashing one block with buffer this._block } MyHash.prototype._digest = function () { // create padding and produce result } ``` You also can check [source code](index.js) or [crypto-browserify/md5.js][5] ## LICENSE MIT [1]: https://nodejs.org/api/crypto.html#crypto_class_hash [2]: https://nodejs.org/api/crypto.html#crypto_class_cipher [3]: https://nodejs.org/api/crypto.html#crypto_class_decipher [4]: https://github.com/crypto-browserify/cipher-base [5]: https://github.com/crypto-browserify/md5.js