(function() {
                    var nodeEnv = typeof require !== 'undefined' && typeof process !== 'undefined';
                    var __module = nodeEnv ? module : {exports:{}};
                    var __filename = 'preview-scripts/__node_modules/create-hash/browser.js';
                    var __require = nodeEnv ? function (request) {
                        return cc.require(request);
                    } : function (request) {
                        return __quick_compile_project__.require(request, __filename);
                    };
                    function __define (exports, require, module) {
                        if (!nodeEnv) {__quick_compile_project__.registerModule(__filename, module);}'use strict'
var inherits = require('inherits')
var MD5 = require('md5.js')
var RIPEMD160 = require('ripemd160')
var sha = require('sha.js')
var Base = require('cipher-base')

function Hash (hash) {
  Base.call(this, 'digest')

  this._hash = hash
}

inherits(Hash, Base)

Hash.prototype._update = function (data) {
  this._hash.update(data)
}

Hash.prototype._final = function () {
  return this._hash.digest()
}

module.exports = function createHash (alg) {
  alg = alg.toLowerCase()
  if (alg === 'md5') return new MD5()
  if (alg === 'rmd160' || alg === 'ripemd160') return new RIPEMD160()

  return new Hash(sha(alg))
}

                    }
                    if (nodeEnv) {
                        __define(__module.exports, __require, __module);
                    }
                    else {
                        __quick_compile_project__.registerModuleFunc(__filename, function () {
                            __define(__module.exports, __require, __module);
                        });
                    }
                })();