function EncryptHash ($type, $data)
	{
		$Hashes = Encryption::listHashes();
		if ($type == 'MD5')
		{
			$hash = md5 ($data);
		}
		else if ($type == 'RC4')
		{
			$hash = bin2hex ($this->EncryptRC4 (5, $data . ($data - 2) . $data . ($data - 3) . $data));
		}
		else
		{
			if (array_key_exists ($type, $Hashes))
				eval ('$hash = bin2hex (mhash (' . $Hashes[$type] . ', \'' . $data . '\'));');
		}
		return $hash;
	}