Veoo Subscriber API HMAC generation

hmac.java

private static String toHexString(byte[] bytes) {
  Formatter formatter = new Formatter();
  for (byte b : bytes) {
   formatter.format("%02x", b);
  }
  return formatter.toString();
}
 
 public static String generateHMAC(String path, String body, String key) throws SignatureException, NoSuchAlgorithmException, InvalidKeyException {
  SecretKeySpec signingKey = new SecretKeySpec(key.getBytes(), "HmacSHA1");
  Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
  mac.init(signingKey);
  return toHexString(mac.doFinal(path.concat(body).getBytes()));
}
 

hmac.js

var crypto = require('crypto');

encrypt = function (path, body, secret) {
  var hmac = crypto.createHmac('sha1', secret);
  hmac.update(path.toLowerCase(), 'utf8');
  hmac.update(JSON.stringify(body || {}), 'utf8');
  return hmac.digest('hex');
}

hmac.php

function encrypt($path, $body, $secret) {
  $path = strtolower($path);
  $body = is_string($body) ? $body : json_encode($body);
  return hash_hmac('sha1', $path . $body, $secret);
}