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@ 2015-03-22T11:46:09Z

<?php

class KZ_Crypt {

    public $_text = '';
    
    //Chìa khoá để mở kho báu ^^
    public $_key = 'f_pk_ZingTV_1_@z';
    public $_iv = 'f_iv_ZingTV_1_@z';
    
    //Kết quả trả về
    public $_result = '';
    
    /**
     * Hàm mã hoá
    **/
    public function _encrypt(){
        if($this->_text != ''){
            $cipher = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_CBC, '');
            $iv_size = mcrypt_enc_get_iv_size($cipher);
            if (mcrypt_generic_init($cipher, $this->_key, $this->_iv) != -1){
                $cipherText = mcrypt_generic($cipher,$this->_text);
                mcrypt_generic_deinit($cipher);
                $this->_result = bin2hex($cipherText);
                return true;
            }
        }else{
            return false;
        }
    }
    
    /**
     * Hàm giải mã
    **/
    public function _decrypt(){
        if($this->_text != ''){
            $cipher = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_CBC, '');
            $iv_size = mcrypt_enc_get_iv_size($cipher);
            if(mcrypt_generic_init($cipher, $this->_key, $this->_iv) != -1){
                $cipherText = mdecrypt_generic($cipher,$this->_hexToString($this->_text));
                mcrypt_generic_deinit($cipher);
                $this->_result = $cipherText;
                return true;
            }else{
                return false;
            }
        }
    }
    
    /**
     * Hàm chuyển đổi từ mã hex sang chuỗi.
    **/
    protected function _hexToString($hex){
        if(!is_string($hex)){
            return null;
        }
        $char = '';
        for($i=0; $i<strlen($hex);$i+=2){
            $char .= chr(hexdec($hex{$i}.$hex{($i+1)}));
        }
        return $char;
    }
}

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/rcbTI on line 59
Process exited with code 255.
Output for 7.4.0 - 7.4.33: Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/rcbTI on line 59 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/rcbTI on line 59
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/rcbTI on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/rcbTI on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/rcbTI on line 5
Process exited with code 255.

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