The CDDC JavaScript file is available in the legacy CDDC JavaScript UI package on the Risk Analytics resource download page. The script is available as a jQuery module (Vasco.IdKey.RM.CDDC.min.js).
<!-- index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"
integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0="
crossorigin="anonymous">
</script>
<script src="./lib/Vasco.IdKey.RM.CDDC.min.js"></script>
<script type="text/javascript">
var fingerprint = $.Vasco.getJSON();
var fingerprintHash = $.Vasco.getHASH();
console.log('fingerprint is ' + fingerprint);
console.log('fingerprint hash is ' + fingerprintHash);
</script>
</body>
</html>