ParagonIE\Halite\Asymmetric\PublicKey::__construct PHP Method

    public function __construct(HiddenString $keyMaterial)
    {
        parent::__construct($keyMaterial);
        $this->isAsymmetricKey = true;
        $this->isPublicKey = true;
    }

 /**
  * @param string $keyMaterial - The actual key data
  * @param bool $signing - Is this a signing key?
  */
 public function __construct(string $keyMaterial = '', ...$args)
 {
     if (CryptoUtil::safeStrlen($keyMaterial) !== \Sodium\CRYPTO_BOX_PUBLICKEYBYTES) {
         throw new InvalidKey('Encryption public key must be CRYPTO_BOX_PUBLICKEYBYTES bytes long');
     }
     parent::__construct($keyMaterial, false);
 }