eric

    protected function _cryptValue($value)
    {
        return implode(self::DELIMITER_CHAR, $this->__reverseArray(array_map(function ($token) { return dechex(ord($token)); }, str_split($value))));
    }

    protected function _decryptValue($value)
    {
        return implode('', $this->__reverseArray(array_map(function ($token) { return chr(hexdec($token)); }, explode(self::DELIMITER_CHAR, $value))));
    }