iNextrix / ASTPP

    /**

     * @param string $value

     */

    function encode($value) {

        $text = $value;

        $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);

        $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);

        $crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $this->CI->config->item('private_key'), $text, MCRYPT_MODE_ECB, $iv);

        return trim($this->encode_params($crypttext));

    }

    function decode_params($string) {

        $data = str_replace(array('-', '$'), array('+', '/'), $string);

        return base64_decode($data);

    }

    function decode($value) {

        $crypttext = $this->decode_params($value);

        $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);

        $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);

        $decrypttext = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $this->CI->config->item('private_key'), $crypttext, MCRYPT_MODE_ECB, $iv);

        return trim($decrypttext);

    }

    /******

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