ParagonIE\Halite\File::getConfig PHP Method

    protected static function getConfig(string $header, string $mode = 'encrypt') : Config
    {
        if (\ord($header[0]) !== 49 || \ord($header[1]) !== 65) {
            throw new InvalidMessage('Invalid version tag');
        }
        $major = \ord($header[2]);
        $minor = \ord($header[3]);
        if ($mode === 'encrypt') {
            return new Config(self::getConfigEncrypt($major, $minor));
        } elseif ($mode === 'seal') {
            return new Config(self::getConfigSeal($major, $minor));
        } elseif ($mode === 'checksum') {
            return new Config(self::getConfigChecksum($major, $minor));
        }
        throw new InvalidType('Invalid configuration mode');
    }