ZbgaeK

script.js

let data = {
  type: 'invoice',
  author: 'martin',
  timestamp: timestamp,
	apiKey: apiKey
};
document.write(JSON.stringify(data));
document.write('sorting...');

let sortedObject = {};

  let keys = Object.keys(data);
  keys.sort();

  for (let i = 0, size = keys.length; i < size; i++) {
    const key = keys[i];
    const value = object[key];
    sortedObject[key] = value;
  }

document.write(JSON.stringify(sortedObject));

const hash = CryptoJS.HmacSHA512(data, "apiKey");
const signature = hash.toString(CryptoJS.enc.Base64);

document.write(signature);

scripts

<script src="https://raw.githubusercontent.com/brix/crypto-js/develop/src/core.js"></script>
<script src="https://raw.githubusercontent.com/brix/crypto-js/develop/src/sha512.js"></script>
<script src="https://github.com/brix/crypto-js/blob/develop/src/hmac.js"></script>
<script src="https://github.com/brix/crypto-js/blob/develop/src/enc-base64.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/3.5.0/lodash.min.js"></script>

ZbgaeK.markdown

ZbgaeK

A Pen by Captain Anonymous on CodePen.

License.