public function decode($encrypted)
    {

        //$cipher_all = explode("/", $cipher_in);
        //$cipher = $cipher_all[0];

        $blocks = explode("|x", $encrypted);
        $delimiter = array_search("::", $blocks);


        $cipherStream = array_slice($blocks, 0, (int)$delimiter);


        unset($blocks[(int)$delimiter]);
        unset($blocks[(int)$delimiter + 1]);

        $publicKeyArray = array_slice($blocks, (int)$delimiter);

        $publicKey = implode('', $publicKeyArray);
        $privateKey = $this->key;

        $hashKey = sha1($privateKey . "+" . (string)$publicKey);
        $hashArray = str_split($hashKey);

        $counter = 0;
        for ($i = 0; $i < sizeof($cipherStream); $i++) {
            if ($counter > 40)
                $counter = 0;
            $cryptChar = hexdec($cipherStream[$i]) - ord((string)$hashArray[$counter]);
            $cryptChar -= floor($cryptChar / 127) * 127;
            $cipherText[$i] = chr($cryptChar);
            $counter++;
        }

        $plaintext = implode("", $cipherText);

        return $plaintext;
    }