ParagonIE\Halite\Key::__construct PHP Method

    public function __construct(HiddenString $keyMaterial)
    {
        $this->keyMaterial = Util::safeStrcpy($keyMaterial->getString());
    }

 /**
  * @param string $keyMaterial - The actual key data
  * @param bool $signing - Is this a signing key?
  */
 public function __construct($keyMaterial = '', ...$args)
 {
     $signing = \count($args) >= 1 ? $args[0] : false;
     parent::__construct($keyMaterial, false, $signing, false);
 }