(function() {   
 
   //   
   // 瀵嗘枃瀛楃闆嗭紙size:62锛夈��   
  // [0-9A-Za-z]   
    //   
   var _hexCHS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';   
 
   //   
    // 瀵嗘枃瀛楃椤哄簭鏄犲皠銆�   
   // 椤哄簭涓� _hexCHS 鍚岋紝浠� 0 寮�濮嬨��   
   //   
    var _hexTBL = {   
       '0':0, '1':1, '2':2, '3':3, '4':4, '5':5, '6':6, '7':7, '8':8, '9':9,   
        'A':10, 'B':11, 'C':12, 'D':13, 'E':14, 'F':15, 'G':16, 'H':17, 'I':18, 'J':19,   
       'K':20, 'L':21, 'M':22, 'N':23, 'O':24, 'P':25, 'Q':26, 'R':27, 'S':28, 'T':29,   
       'U':30, 'V':31, 'W':32, 'X':33, 'Y':34, 'Z':35, 'a':36, 'b':37, 'c':38, 'd':39,   
       'e':40, 'f':41, 'g':42, 'h':43, 'i':44, 'j':45, 'k':46, 'l':47, 'm':48, 'n':49,   
       'o':50, 'p':51, 'q':52, 'r':53, 's':54, 't':55, 'u':56, 'v':57, 'w':58, 'x':59,   
       'y':60, 'z':61   
    };   
 
   //   
    // 杩涘埗杞崲鍔犲瘑娉�   
    // 鍘熺悊锛�   
    // 鐢� [0-9A-Za-z] 62 涓瓧绗︾殑闅忔満鎺掑垪浣滀负杩涘埗琛ㄥ瀛楃鐨勫�艰繘琛岃浆鎹€��   
   // 鐗圭偣锛�   
   // 1. 瀵嗘枃涓烘暟瀛楀拰澶у皬鍐欒嫳鏂囧瓧姣嶏紝鍙婂師鏈夌殑 [\s\n\r]锛�   
   // 2. 澧炲姞浜嗗瘑鏂囧瓧绗︾殑骞崇Щ鎿嶄綔锛屾彁楂樺姞瀵嗗己搴︼紱   
   // 3. 鍙嚜鍔ㄨ瘑鍒崟鍙屽瓧鑺傚瓧绗﹀苟杩涜鐩稿簲缂栫爜锛�   
    // 4. 鍙屽瓧鑺傚瓧绗︾敤 3 浣� 41 杩涘埗琛ㄧず锛屾渶澶у彲琛ㄧず 68920 鐨勫瓧鍊硷紱   
    // 5. 鍗曞瓧鑺傚瓧绗︾敤 2 浣� 16 杩涘埗琛ㄧず锛屾渶澶у彲琛ㄧず 255 鐨勫瓧鍊硷紱   
   // 6. 绌虹櫧銆佹崲琛屽拰鍥炶溅 [\s\n\r] 淇濇寔鍘熸牱銆�   
    // 缂虹偣锛�   
    // 瀵嗘枃浼氭瘮鍘熸枃闀匡紝涓枃瑙嗗澧為暱 1.5 鍊嶏紙涓�涓眽瀛楃畻 2 瀛楄妭瀹斤級锛�   
    // 鑰冭檻绌虹櫧鍜屾崲琛�/鍥炶溅涓嶅鐞嗭紝鑻辨枃澧為暱 < 2 鍊嶃��   
   // 鎺ㄨ崘锛�   
    // 鍙敤浜庝换鎰忕被鍨嬬殑鏂囨湰鍔犲瘑锛岀敱浜庡瘑鏂囦负瑙勮寖鐨� [\w]锛岄�備簬鍚勭被鐜銆�   
   //   
    // 鍙傛暟锛�   
    // key[0-57) 闂寸殑鍊煎皬浜� 62 涓斿敮涓�锛屽叾鍚庣殑鍊煎彲浠绘剰鍜岄噸澶嶏紱   
   // key[0-16) 涓� 16 杩涘埗瀛楃琛紝key[16-57) 涓� 41 杩涘埗瀛楃琛ㄣ��   
    //   
   // @param array key  - [0-61] 浜掓枼鍊兼暟缁勶紝length >= 57   
   //   
   Hexch = function( key )   
   {   
        if (key.length < 57) {   
           throw new Error('the key is too short.');   
       }   
       // 骞崇Щ瀵嗛挜   
       this._sz = _hexCHS.charCodeAt(key[15]) % (key.length-20) + 10,   
       this._ks = key.slice(-this._sz);   
        for (var _i=0; _i<this._sz; ++_i) {   
           this._ks[_i] = _hexCHS.charCodeAt(this._ks[_i]%62);   
       }   
 
       this._k16 = [], this._k41 = [];   
       this._t16 = {}, this._t41 = {};   
 
       for (var _i=0; _i<16; ++_i) {   
           this._k16[_i] = _hexCHS.charAt(key[_i]);   
            this._t16[this._k16[_i]] = _i;   
       }   
       for (var _i=0; _i<41; ++_i) {   
           this._k41[_i] = _hexCHS.charAt(key[_i+16]);   
           this._t41[this._k41[_i]] = _i;   
        }   
   };   
  
    // 鍔犲瘑   
   Hexch.prototype.enc = function( s )   
    {   
        var _k16 = this._k16,   
           _k41 = this._k41,   
           _ks  = this._ks,   
           _sz  = this._sz,   
            _cnt = 0;   
       return  s.replace(/[^\s\n\r]/g, function( ch ) {   
           var _n = ch.charCodeAt(0);   
           return  (_n <= 0xff)   
               ? _k16[parseInt(_n/16)] + _k16[_n%16]   
                : _k41[parseInt(_n/1681)] + _k41[parseInt(_n%1681/41)] + _k41[_n%41]   
       // 骞崇Щ   
        }).replace(/[0-9A-Za-z]/g, function( ch ) {   
           return  _hexCHS.charAt((_hexTBL[ch] + _ks[_cnt++%_sz]) % 62);   
        });   
   };   
 
   // 瑙ｅ瘑   
   Hexch.prototype.dec = function( s )   
   {   
        var _t16 = this._t16,   
           _t41 = this._t41,   
            _ks  = this._ks,   
           _sz  = this._sz,   
            _cnt = 0;   
        var _s = s.replace(/[0-9A-Za-z]/g, function( ch ) {   
           return  _hexCHS.charAt((_hexTBL[ch] - _ks[_cnt++%_sz]%62 + 62) % 62);   
        });   
        var _rs = '';   
        for (var _i=0; _i<_s.length;) {   
            var _ch = _s.charAt(_i);   
           if (/[\s\n\r]/.test(_ch)) {   
                _rs += _ch;   
               ++_i;   
           } else if (_t16[_ch] !== undefined) {   
                _rs += String.fromCharCode(_t16[_s.charAt(_i)]*16 + _t16[_s.charAt(_i+1)]);   
               _i += 2;   
            } else {   
                _rs += String.fromCharCode(_t41[_s.charAt(_i)]*1681 + _t41[_s.charAt(_i+1)]*41 + _t41[_s.charAt(_i+2)]);   
               _i += 3;   
           }   
        }   
        return  _rs;   
    };   
})();  

function strEnc(data,firstKey,secondKey,thirdKey){

	 var leng = data.length;
	 var encData = "";
	 var firstKeyBt,secondKeyBt,thirdKeyBt,firstLength,secondLength,thirdLength;
	 if(firstKey != null && firstKey != ""){    
	   firstKeyBt = getKeyBytes(firstKey);
	   firstLength = firstKeyBt.length;
	 }
	 if(secondKey != null && secondKey != ""){
	   secondKeyBt = getKeyBytes(secondKey);
	   secondLength = secondKeyBt.length;
	 }
	 if(thirdKey != null && thirdKey != ""){
	   thirdKeyBt = getKeyBytes(thirdKey);
	   thirdLength = thirdKeyBt.length;
	 }  
	 
	 if(leng > 0){
	   if(leng < 4){
	     var bt = strToBt(data);      
	     var encByte ;
	     if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
	       var tempBt;
	       var x,y,z;
	       tempBt = bt;        
	       for(x = 0;x < firstLength ;x ++){
	         tempBt = enc(tempBt,firstKeyBt[x]);
	       }
	       for(y = 0;y < secondLength ;y ++){
	         tempBt = enc(tempBt,secondKeyBt[y]);
	       }
	       for(z = 0;z < thirdLength ;z ++){
	         tempBt = enc(tempBt,thirdKeyBt[z]);
	       }        
	       encByte = tempBt;        
	     }else{
	       if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
	         var tempBt;
	         var x,y;
	         tempBt = bt;
	         for(x = 0;x < firstLength ;x ++){
	           tempBt = enc(tempBt,firstKeyBt[x]);
	         }
	         for(y = 0;y < secondLength ;y ++){
	           tempBt = enc(tempBt,secondKeyBt[y]);
	         }
	         encByte = tempBt;
	       }else{
	         if(firstKey != null && firstKey !=""){            
	           var tempBt;
	           var x = 0;
	           tempBt = bt;            
	           for(x = 0;x < firstLength ;x ++){
	             tempBt = enc(tempBt,firstKeyBt[x]);
	           }
	           encByte = tempBt;
	         }
	       }        
	     }
	     encData = bt64ToHex(encByte);
	   }else{
	     var iterator = parseInt(leng/4);
	     var remainder = leng%4;
	     var i=0;      
	     for(i = 0;i < iterator;i++){
	       var tempData = data.substring(i*4+0,i*4+4);
	       var tempByte = strToBt(tempData);
	       var encByte ;
	       if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
	         var tempBt;
	         var x,y,z;
	         tempBt = tempByte;
	         for(x = 0;x < firstLength ;x ++){
	           tempBt = enc(tempBt,firstKeyBt[x]);
	         }
	         for(y = 0;y < secondLength ;y ++){
	           tempBt = enc(tempBt,secondKeyBt[y]);
	         }
	         for(z = 0;z < thirdLength ;z ++){
	           tempBt = enc(tempBt,thirdKeyBt[z]);
	         }
	         encByte = tempBt;
	       }else{
	         if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
	           var tempBt;
	           var x,y;
	           tempBt = tempByte;
	           for(x = 0;x < firstLength ;x ++){
	             tempBt = enc(tempBt,firstKeyBt[x]);
	           }
	           for(y = 0;y < secondLength ;y ++){
	             tempBt = enc(tempBt,secondKeyBt[y]);
	           }
	           encByte = tempBt;
	         }else{
	           if(firstKey != null && firstKey !=""){                      
	             var tempBt;
	             var x;
	             tempBt = tempByte;
	             for(x = 0;x < firstLength ;x ++){                
	               tempBt = enc(tempBt,firstKeyBt[x]);
	             }
	             encByte = tempBt;              
	           }
	         }
	       }
	       encData += bt64ToHex(encByte);
	     }      
	     if(remainder > 0){
	       var remainderData = data.substring(iterator*4+0,leng);
	       var tempByte = strToBt(remainderData);
	       var encByte ;
	       if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
	         var tempBt;
	         var x,y,z;
	         tempBt = tempByte;
	         for(x = 0;x < firstLength ;x ++){
	           tempBt = enc(tempBt,firstKeyBt[x]);
	         }
	         for(y = 0;y < secondLength ;y ++){
	           tempBt = enc(tempBt,secondKeyBt[y]);
	         }
	         for(z = 0;z < thirdLength ;z ++){
	           tempBt = enc(tempBt,thirdKeyBt[z]);
	         }
	         encByte = tempBt;
	       }else{
	         if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
	           var tempBt;
	           var x,y;
	           tempBt = tempByte;
	           for(x = 0;x < firstLength ;x ++){
	             tempBt = enc(tempBt,firstKeyBt[x]);
	           }
	           for(y = 0;y < secondLength ;y ++){
	             tempBt = enc(tempBt,secondKeyBt[y]);
	           }
	           encByte = tempBt;
	         }else{
	           if(firstKey != null && firstKey !=""){            
	             var tempBt;
	             var x;
	             tempBt = tempByte;
	             for(x = 0;x < firstLength ;x ++){
	               tempBt = enc(tempBt,firstKeyBt[x]);
	             }
	             encByte = tempBt;
	           }
	         }
	       }
	       encData += bt64ToHex(encByte);
	     }                
	   }
	 }
	 return encData;
	}

function getKeyBytes(key){
	 var keyBytes = new Array();
	 var leng = key.length;
	 var iterator = parseInt(leng/4);
	 var remainder = leng%4;
	 var i = 0;
	 for(i = 0;i < iterator; i ++){
	   keyBytes[i] = strToBt(key.substring(i*4+0,i*4+4));
	 }
	 if(remainder > 0){
	   keyBytes[i] = strToBt(key.substring(i*4+0,leng));
	 }    
	 return keyBytes;
	}

function strToBt(str){  
	 var leng = str.length;
	 var bt = new Array(64);
	 if(leng < 4){
	   var i=0,j=0,p=0,q=0;
	   for(i = 0;i<leng;i++){
	     var k = str.charCodeAt(i);
	     for(j=0;j<16;j++){      
	       var pow=1,m=0;
	       for(m=15;m>j;m--){
	         pow *= 2;
	       }        
	       bt[16*i+j]=parseInt(k/pow)%2;
	     }
	   }
	   for(p = leng;p<4;p++){
	     var k = 0;
	     for(q=0;q<16;q++){      
	       var pow=1,m=0;
	       for(m=15;m>q;m--){
	         pow *= 2;
	       }        
	       bt[16*p+q]=parseInt(k/pow)%2;
	     }
	   }  
	 }else{
	   for(i = 0;i<4;i++){
	     var k = str.charCodeAt(i);
	     for(j=0;j<16;j++){      
	       var pow=1;
	       for(m=15;m>j;m--){
	         pow *= 2;
	       }        
	       bt[16*i+j]=parseInt(k/pow)%2;
	     }
	   }  
	 }
	 return bt;
	}

function bt4ToHex(binary) {
	 var hex;
	 switch (binary) {
	   case "0000" : hex = "0"; break;
	   case "0001" : hex = "1"; break;
	   case "0010" : hex = "2"; break;
	   case "0011" : hex = "3"; break;
	   case "0100" : hex = "4"; break;
	   case "0101" : hex = "5"; break;
	   case "0110" : hex = "6"; break;
	   case "0111" : hex = "7"; break;
	   case "1000" : hex = "8"; break;
	   case "1001" : hex = "9"; break;
	   case "1010" : hex = "A"; break;
	   case "1011" : hex = "B"; break;
	   case "1100" : hex = "C"; break;
	   case "1101" : hex = "D"; break;
	   case "1110" : hex = "E"; break;
	   case "1111" : hex = "F"; break;
	 }
	 return hex;
	}
function hexToBt4(hex) {
	 var binary;
	 switch (hex) {
	   case "0" : binary = "0000"; break;
	   case "1" : binary = "0001"; break;
	   case "2" : binary = "0010"; break;
	   case "3" : binary = "0011"; break;
	   case "4" : binary = "0100"; break;
	   case "5" : binary = "0101"; break;
	   case "6" : binary = "0110"; break;
	   case "7" : binary = "0111"; break;
	   case "8" : binary = "1000"; break;
	   case "9" : binary = "1001"; break;
	   case "A" : binary = "1010"; break;
	   case "B" : binary = "1011"; break;
	   case "C" : binary = "1100"; break;
	   case "D" : binary = "1101"; break;
	   case "E" : binary = "1110"; break;
	   case "F" : binary = "1111"; break;
	 }
	 return binary;
	}

	/*
	* chang the bit(it's length = 64) into the string
	* 
	* return string
	*/
	function byteToString(byteData){
	 var str="";
	 for(i = 0;i<4;i++){
	   var count=0;
	   for(j=0;j<16;j++){        
	     var pow=1;
	     for(m=15;m>j;m--){
	       pow*=2;
	     }              
	     count+=byteData[16*i+j]*pow;
	   }        
	   if(count != 0){
	     str+=String.fromCharCode(count);
	   }
	 }
	 return str;
	}

	function bt64ToHex(byteData){
	 var hex = "";
	 for(i = 0;i<16;i++){
	   var bt = "";
	   for(j=0;j<4;j++){    
	     bt += byteData[i*4+j];
	   }    
	   hex+=bt4ToHex(bt);
	 }
	 return hex;
	}

function hexToBt64(hex){
	 var binary = "";
	 for(i = 0;i<16;i++){
	   binary+=hexToBt4(hex.substring(i,i+1));
	 }
	 return binary;
	}

function enc(dataByte,keyByte){  
	 var keys = generateKeys(keyByte);    
	 var ipByte   = initPermute(dataByte);  
	 var ipLeft   = new Array(32);
	 var ipRight  = new Array(32);
	 var tempLeft = new Array(32);
	 var i = 0,j = 0,k = 0,m = 0, n = 0;
	 for(k = 0;k < 32;k ++){
	   ipLeft[k] = ipByte[k];
	   ipRight[k] = ipByte[32+k];
	 }    
	 for(i = 0;i < 16;i ++){
	   for(j = 0;j < 32;j ++){
	     tempLeft[j] = ipLeft[j];
	     ipLeft[j] = ipRight[j];      
	   }  
	   var key = new Array(48);
	   for(m = 0;m < 48;m ++){
	     key[m] = keys[i][m];
	   }
	   var  tempRight = xor(pPermute(sBoxPermute(xor(expandPermute(ipRight),key))), tempLeft);      
	   for(n = 0;n < 32;n ++){
	     ipRight[n] = tempRight[n];
	   }  
	   
	 }  
	 
	 
	 var finalData =new Array(64);
	 for(i = 0;i < 32;i ++){
	   finalData[i] = ipRight[i];
	   finalData[32+i] = ipLeft[i];
	 }
	 return finallyPermute(finalData);  
	}

function initPermute(originalData){
	 var ipByte = new Array(64);
	 for (i = 0, m = 1, n = 0; i < 4; i++, m += 2, n += 2) {
	   for (j = 7, k = 0; j >= 0; j--, k++) {
	     ipByte[i * 8 + k] = originalData[j * 8 + m];
	     ipByte[i * 8 + k + 32] = originalData[j * 8 + n];
	   }
	 }    
	 return ipByte;
	}

	function expandPermute(rightData){  
	 var epByte = new Array(48);
	 for (i = 0; i < 8; i++) {
	   if (i == 0) {
	     epByte[i * 6 + 0] = rightData[31];
	   } else {
	     epByte[i * 6 + 0] = rightData[i * 4 - 1];
	   }
	   epByte[i * 6 + 1] = rightData[i * 4 + 0];
	   epByte[i * 6 + 2] = rightData[i * 4 + 1];
	   epByte[i * 6 + 3] = rightData[i * 4 + 2];
	   epByte[i * 6 + 4] = rightData[i * 4 + 3];
	   if (i == 7) {
	     epByte[i * 6 + 5] = rightData[0];
	   } else {
	     epByte[i * 6 + 5] = rightData[i * 4 + 4];
	   }
	 }      
	 return epByte;
	}

	function xor(byteOne,byteTwo){  
	 var xorByte = new Array(byteOne.length);
	 for(i = 0;i < byteOne.length; i ++){      
	   xorByte[i] = byteOne[i] ^ byteTwo[i];
	 }  
	 return xorByte;
	}

	function sBoxPermute(expandByte){
	 
	   var sBoxByte = new Array(32);
	   var binary = "";
	   var s1 = [
	       [14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7],
	       [0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8],
	       [4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0],
	       [15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 ]];

	       /* Table - s2 */
	   var s2 = [
	       [15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10],
	       [3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5],
	       [0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15],
	       [13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 ]];

	       /* Table - s3 */
	   var s3= [
	       [10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8],
	       [13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1],
	       [13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7],
	       [1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 ]];
	       /* Table - s4 */
	   var s4 = [
	       [7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15],
	       [13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9],
	       [10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4],
	       [3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 ]];

	       /* Table - s5 */
	   var s5 = [
	       [2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9],
	       [14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6],
	       [4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14],
	       [11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 ]];

	       /* Table - s6 */
	   var s6 = [
	       [12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11],
	       [10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8],
	       [9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6],
	       [4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 ]];

	       /* Table - s7 */
	   var s7 = [
	       [4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1],
	       [13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6],
	       [1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2],
	       [6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12]];

	       /* Table - s8 */
	   var s8 = [
	       [13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7],
	       [1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2],
	       [7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8],
	       [2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11]];
	   
	   for(m=0;m<8;m++){
	   var i=0,j=0;
	   i = expandByte[m*6+0]*2+expandByte[m*6+5];
	   j = expandByte[m * 6 + 1] * 2 * 2 * 2 
	     + expandByte[m * 6 + 2] * 2* 2 
	     + expandByte[m * 6 + 3] * 2 
	     + expandByte[m * 6 + 4];
	   switch (m) {
	     case 0 :
	       binary = getBoxBinary(s1[i][j]);
	       break;
	     case 1 :
	       binary = getBoxBinary(s2[i][j]);
	       break;
	     case 2 :
	       binary = getBoxBinary(s3[i][j]);
	       break;
	     case 3 :
	       binary = getBoxBinary(s4[i][j]);
	       break;
	     case 4 :
	       binary = getBoxBinary(s5[i][j]);
	       break;
	     case 5 :
	       binary = getBoxBinary(s6[i][j]);
	       break;
	     case 6 :
	       binary = getBoxBinary(s7[i][j]);
	       break;
	     case 7 :
	       binary = getBoxBinary(s8[i][j]);
	       break;
	   }      
	   sBoxByte[m*4+0] = parseInt(binary.substring(0,1));
	   sBoxByte[m*4+1] = parseInt(binary.substring(1,2));
	   sBoxByte[m*4+2] = parseInt(binary.substring(2,3));
	   sBoxByte[m*4+3] = parseInt(binary.substring(3,4));
	 }
	 return sBoxByte;
	}

	function pPermute(sBoxByte){
	 var pBoxPermute = new Array(32);
	 pBoxPermute[ 0] = sBoxByte[15]; 
	 pBoxPermute[ 1] = sBoxByte[ 6]; 
	 pBoxPermute[ 2] = sBoxByte[19]; 
	 pBoxPermute[ 3] = sBoxByte[20]; 
	 pBoxPermute[ 4] = sBoxByte[28]; 
	 pBoxPermute[ 5] = sBoxByte[11]; 
	 pBoxPermute[ 6] = sBoxByte[27]; 
	 pBoxPermute[ 7] = sBoxByte[16]; 
	 pBoxPermute[ 8] = sBoxByte[ 0]; 
	 pBoxPermute[ 9] = sBoxByte[14]; 
	 pBoxPermute[10] = sBoxByte[22]; 
	 pBoxPermute[11] = sBoxByte[25]; 
	 pBoxPermute[12] = sBoxByte[ 4]; 
	 pBoxPermute[13] = sBoxByte[17]; 
	 pBoxPermute[14] = sBoxByte[30]; 
	 pBoxPermute[15] = sBoxByte[ 9]; 
	 pBoxPermute[16] = sBoxByte[ 1]; 
	 pBoxPermute[17] = sBoxByte[ 7]; 
	 pBoxPermute[18] = sBoxByte[23]; 
	 pBoxPermute[19] = sBoxByte[13]; 
	 pBoxPermute[20] = sBoxByte[31]; 
	 pBoxPermute[21] = sBoxByte[26]; 
	 pBoxPermute[22] = sBoxByte[ 2]; 
	 pBoxPermute[23] = sBoxByte[ 8]; 
	 pBoxPermute[24] = sBoxByte[18]; 
	 pBoxPermute[25] = sBoxByte[12]; 
	 pBoxPermute[26] = sBoxByte[29]; 
	 pBoxPermute[27] = sBoxByte[ 5]; 
	 pBoxPermute[28] = sBoxByte[21]; 
	 pBoxPermute[29] = sBoxByte[10]; 
	 pBoxPermute[30] = sBoxByte[ 3]; 
	 pBoxPermute[31] = sBoxByte[24];    
	 return pBoxPermute;
	}

	function finallyPermute(endByte){    
	 var fpByte = new Array(64);  
	 fpByte[ 0] = endByte[39]; 
	 fpByte[ 1] = endByte[ 7]; 
	 fpByte[ 2] = endByte[47]; 
	 fpByte[ 3] = endByte[15]; 
	 fpByte[ 4] = endByte[55]; 
	 fpByte[ 5] = endByte[23]; 
	 fpByte[ 6] = endByte[63]; 
	 fpByte[ 7] = endByte[31]; 
	 fpByte[ 8] = endByte[38]; 
	 fpByte[ 9] = endByte[ 6]; 
	 fpByte[10] = endByte[46]; 
	 fpByte[11] = endByte[14]; 
	 fpByte[12] = endByte[54]; 
	 fpByte[13] = endByte[22]; 
	 fpByte[14] = endByte[62]; 
	 fpByte[15] = endByte[30]; 
	 fpByte[16] = endByte[37]; 
	 fpByte[17] = endByte[ 5]; 
	 fpByte[18] = endByte[45]; 
	 fpByte[19] = endByte[13]; 
	 fpByte[20] = endByte[53]; 
	 fpByte[21] = endByte[21]; 
	 fpByte[22] = endByte[61]; 
	 fpByte[23] = endByte[29]; 
	 fpByte[24] = endByte[36]; 
	 fpByte[25] = endByte[ 4]; 
	 fpByte[26] = endByte[44]; 
	 fpByte[27] = endByte[12]; 
	 fpByte[28] = endByte[52]; 
	 fpByte[29] = endByte[20]; 
	 fpByte[30] = endByte[60]; 
	 fpByte[31] = endByte[28]; 
	 fpByte[32] = endByte[35]; 
	 fpByte[33] = endByte[ 3]; 
	 fpByte[34] = endByte[43]; 
	 fpByte[35] = endByte[11]; 
	 fpByte[36] = endByte[51]; 
	 fpByte[37] = endByte[19]; 
	 fpByte[38] = endByte[59]; 
	 fpByte[39] = endByte[27]; 
	 fpByte[40] = endByte[34]; 
	 fpByte[41] = endByte[ 2]; 
	 fpByte[42] = endByte[42]; 
	 fpByte[43] = endByte[10]; 
	 fpByte[44] = endByte[50]; 
	 fpByte[45] = endByte[18]; 
	 fpByte[46] = endByte[58]; 
	 fpByte[47] = endByte[26]; 
	 fpByte[48] = endByte[33]; 
	 fpByte[49] = endByte[ 1]; 
	 fpByte[50] = endByte[41]; 
	 fpByte[51] = endByte[ 9]; 
	 fpByte[52] = endByte[49]; 
	 fpByte[53] = endByte[17]; 
	 fpByte[54] = endByte[57]; 
	 fpByte[55] = endByte[25]; 
	 fpByte[56] = endByte[32]; 
	 fpByte[57] = endByte[ 0]; 
	 fpByte[58] = endByte[40]; 
	 fpByte[59] = endByte[ 8]; 
	 fpByte[60] = endByte[48]; 
	 fpByte[61] = endByte[16]; 
	 fpByte[62] = endByte[56]; 
	 fpByte[63] = endByte[24];
	 return fpByte;
	}

	function getBoxBinary(i) {
	 var binary = "";
	 switch (i) {
	   case 0 :binary = "0000";break;
	   case 1 :binary = "0001";break;
	   case 2 :binary = "0010";break;
	   case 3 :binary = "0011";break;
	   case 4 :binary = "0100";break;
	   case 5 :binary = "0101";break;
	   case 6 :binary = "0110";break;
	   case 7 :binary = "0111";break;
	   case 8 :binary = "1000";break;
	   case 9 :binary = "1001";break;
	   case 10 :binary = "1010";break;
	   case 11 :binary = "1011";break;
	   case 12 :binary = "1100";break;
	   case 13 :binary = "1101";break;
	   case 14 :binary = "1110";break;
	   case 15 :binary = "1111";break;
	 }
	 return binary;
	}
	/*
	* generate 16 keys for xor
	*
	*/
	function generateKeys(keyByte){    
	 var key   = new Array(56);
	 var keys = new Array();  
	 
	 keys[ 0] = new Array();
	 keys[ 1] = new Array();
	 keys[ 2] = new Array();
	 keys[ 3] = new Array();
	 keys[ 4] = new Array();
	 keys[ 5] = new Array();
	 keys[ 6] = new Array();
	 keys[ 7] = new Array();
	 keys[ 8] = new Array();
	 keys[ 9] = new Array();
	 keys[10] = new Array();
	 keys[11] = new Array();
	 keys[12] = new Array();
	 keys[13] = new Array();
	 keys[14] = new Array();
	 keys[15] = new Array();  
	 var loop = [1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1];

	 for(i=0;i<7;i++){
	   for(j=0,k=7;j<8;j++,k--){
	     key[i*8+j]=keyByte[8*k+i];
	   }
	 }    
	 
	 var i = 0;
	 for(i = 0;i < 16;i ++){
	   var tempLeft=0;
	   var tempRight=0;
	   for(j = 0; j < loop[i];j ++){          
	     tempLeft = key[0];
	     tempRight = key[28];
	     for(k = 0;k < 27 ;k ++){
	       key[k] = key[k+1];
	       key[28+k] = key[29+k];
	     }  
	     key[27]=tempLeft;
	     key[55]=tempRight;
	   }
	   var tempKey = new Array(48);
	   tempKey[ 0] = key[13];
	   tempKey[ 1] = key[16];
	   tempKey[ 2] = key[10];
	   tempKey[ 3] = key[23];
	   tempKey[ 4] = key[ 0];
	   tempKey[ 5] = key[ 4];
	   tempKey[ 6] = key[ 2];
	   tempKey[ 7] = key[27];
	   tempKey[ 8] = key[14];
	   tempKey[ 9] = key[ 5];
	   tempKey[10] = key[20];
	   tempKey[11] = key[ 9];
	   tempKey[12] = key[22];
	   tempKey[13] = key[18];
	   tempKey[14] = key[11];
	   tempKey[15] = key[ 3];
	   tempKey[16] = key[25];
	   tempKey[17] = key[ 7];
	   tempKey[18] = key[15];
	   tempKey[19] = key[ 6];
	   tempKey[20] = key[26];
	   tempKey[21] = key[19];
	   tempKey[22] = key[12];
	   tempKey[23] = key[ 1];
	   tempKey[24] = key[40];
	   tempKey[25] = key[51];
	   tempKey[26] = key[30];
	   tempKey[27] = key[36];
	   tempKey[28] = key[46];
	   tempKey[29] = key[54];
	   tempKey[30] = key[29];
	   tempKey[31] = key[39];
	   tempKey[32] = key[50];
	   tempKey[33] = key[44];
	   tempKey[34] = key[32];
	   tempKey[35] = key[47];
	   tempKey[36] = key[43];
	   tempKey[37] = key[48];
	   tempKey[38] = key[38];
	   tempKey[39] = key[55];
	   tempKey[40] = key[33];
	   tempKey[41] = key[52];
	   tempKey[42] = key[45];
	   tempKey[43] = key[41];
	   tempKey[44] = key[49];
	   tempKey[45] = key[35];
	   tempKey[46] = key[28];
	   tempKey[47] = key[31];
	   switch(i){
	     case 0: for(m=0;m < 48 ;m++){ keys[ 0][m] = tempKey[m]; } break;
	     case 1: for(m=0;m < 48 ;m++){ keys[ 1][m] = tempKey[m]; } break;
	     case 2: for(m=0;m < 48 ;m++){ keys[ 2][m] = tempKey[m]; } break;
	     case 3: for(m=0;m < 48 ;m++){ keys[ 3][m] = tempKey[m]; } break;
	     case 4: for(m=0;m < 48 ;m++){ keys[ 4][m] = tempKey[m]; } break;
	     case 5: for(m=0;m < 48 ;m++){ keys[ 5][m] = tempKey[m]; } break;
	     case 6: for(m=0;m < 48 ;m++){ keys[ 6][m] = tempKey[m]; } break;
	     case 7: for(m=0;m < 48 ;m++){ keys[ 7][m] = tempKey[m]; } break;
	     case 8: for(m=0;m < 48 ;m++){ keys[ 8][m] = tempKey[m]; } break;
	     case 9: for(m=0;m < 48 ;m++){ keys[ 9][m] = tempKey[m]; } break;
	     case 10: for(m=0;m < 48 ;m++){ keys[10][m] = tempKey[m]; } break;
	     case 11: for(m=0;m < 48 ;m++){ keys[11][m] = tempKey[m]; } break;
	     case 12: for(m=0;m < 48 ;m++){ keys[12][m] = tempKey[m]; } break;
	     case 13: for(m=0;m < 48 ;m++){ keys[13][m] = tempKey[m]; } break;
	     case 14: for(m=0;m < 48 ;m++){ keys[14][m] = tempKey[m]; } break;
	     case 15: for(m=0;m < 48 ;m++){ keys[15][m] = tempKey[m]; } break;
	   }
	 }
	 return keys;  
	}

	function des(data){
		var key1='ech';
		var key2='gt';
		var key3='ma';
		var  enResult =strEnc(data,key1,key2,key3);
		return enResult;
	}