"use strict"; var CryptoJS = require('crypto-js'); exports.hmacSha3 = function(msg, key) { var wamsg = CryptoJS.enc.Utf8.parse(msg); var wakey = CryptoJS.enc.Utf8.parse(key); var hmac = CryptoJS.HmacSHA3(wamsg, wakey); return hmac.toString(); }