var READY_STATE_UNINITIALIZED=0;
var READY_STATE_LOADING=1;
var READY_STATE_LOADED=2;
var READY_STATE_INTERACTIVE=3;
var READY_STATE_COMPLETE=4;
var READY_STATE_FINISHED=200;

var console;
var appPath;
var GotoPage;
var siteid;
var facid;
var UnID;
var pwID;
var pwCookieID;
var rememberChkID;
var Framed;
var PtoP;
var key;
var iv;
var url;
var params;
var HttpMethod;
var sessionReq=null;
var KeyRequest=null;
var IVRequest=null;
var clicked=false;
var sessionUID=null;
var submitOK = true ;

document.forms["defaultnetform"].onsubmit = cancelSubmit;

function sendRequest()
	{
	
	
		if (!HttpMethod)
			{
				HttpMethod="GET";
			}

		sessionReq=initXMLHTTPRequest();
		if (sessionReq)
			{
				var txtUN = document.forms["defaultnetform"].elements[UnID].value; 
				var txtPW = "";
				if (document.forms["defaultnetform"].elements[pwID])
					{
						txtPW= document.forms["defaultnetform"].elements[pwID].value;
					}
				else
					{
						txtPW="";
					}
				var txtpwCookie = "";
				var UNCookie = "";
				var PWCookie = "";
				var rememberMeValue = "";
				if (document.forms["defaultnetform"].elements[pwCookieID])
					{
						txtpwCookie= document.forms["defaultnetform"].elements[pwCookieID].value;
					}
				else
					{
						txtpwCookie="";
					}
				
				if (document.forms["defaultnetform"].elements[rememberChkID])
					{
						var rememberCheckstate = document.forms["defaultnetform"].elements[rememberChkID].checked;
						if (rememberCheckstate==true)
							{
								rememberMeValue = "true";
							}
						try
						{
							//alert(getCookie('CE_un'));
							UNCookie = Decrypt(getCookie('CE_un2'));
							
							PWCookie = Decrypt(getCookie('CE_pw2'));	
							
						}
						catch (err)
						{
							UNCookie ="";
							PWCookie = "";
						}
								
					}
					params = "siteid=" + siteid + "&facid=" + facid + "&un=" + txtUN + "&pw=" + txtPW + "&pwCookieBox=" + txtpwCookie + "&rememberChk=" + rememberMeValue + "&UNCookie=" + UNCookie  + "&PWCookie=" + PWCookie + "";
					params = des(key,params,true,1,iv);	
					var dtmNow = new Date();
					var strMS = dtmNow.valueOf();				
					params = "token=" + encodeHex(params)+ "&ts=" + strMS  + "";
					// reset cookies
				if (rememberMeValue == "true")
				{
					if (txtpwCookie == "pwCookie")
					{
						
						txtPW = PWCookie;
					}
					else if (txtPW != "")
					{
						
						txtPW = txtPW;
					}
					else
					{
						
						txtPW = txtpwCookie;
					}

					setCookie("CE_un2",Encrypt(txtUN));
					setCookie("CE_pw2",Encrypt(txtPW));
				}
				else
				{
					deleteCookie("CE_un2");
					deleteCookie("CE_pw2");
				}
							
					sessionReq.onreadystatechange=onReadyStateSession;
					sessionReq.open('GET',url + '?' + params,true);
					sessionReq.send(null);														
				//onReadyStateSession(sessionReq.responseText);
				
				
				return true;

			}
		else
			{
				alert('failed');
				return false;
			}
	
			
	}

function initXMLHTTPRequest()
	{
		var xRequest=false;
		if (window.XMLHttpRequest)
			{

				xRequest=new XMLHttpRequest();
				
			}
		else if (window.ActiveXObject)
			{
				try
				{
					xRequest=new ActiveXObject("Msxml2.XMLHTTP");
				}
				catch (e)
				{
					xRequest=new ActiveXObject("Microsoft.XMLHTTP");
				}
				
				
			}
		return xRequest;
	}
	


function onReadyStateSession(token)
	{

		var ready=sessionReq.readyState;
		var data=  null;  //token;

		sessionUID = data
		if (ready == READY_STATE_COMPLETE)
		{
		if (sessionReq.status == 200)
		{ 
		data = sessionReq.responseText;
		if (data != "" && data !=null){
								
				if ((Framed==0) || (Framed==2) || (Framed==3) || (Framed==4) || (Framed==5))
				{
					
					if ((PtoP=="0") ||(PtoP==null))
					{
						//unBox.value = appPath + "/default.aspx?login=true&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";
						
							
							window.top.location.href =  appPath + "/default.aspx?login=true&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";

					}
					else
					{
							
						window.top.location.href = appPath + "/default.aspx?login=true&PtoP=true&PtoPLoginUID=" + PtoP + "&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";
					}					
				}
				else
				{
					
					if ((PtoP=="0") ||(PtoP==null))
					{
						
						window.top.location.href = appPath + "/default.aspx?login=true&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";
						
					}
					else
					{
						
						window.top.location.href = appPath + "/default.aspx?login=true&PtoP=true&PtoPLoginUID=" + PtoP + "&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";
						
					}
				}
		}
		else
		{
		
		}
	}
	}
	else
			{
				var unBox = document.forms["defaultnetform"].elements[UnID];
				var pwBox = document.forms["defaultnetform"].elements[pwID];
				var pwcookieBox = document.forms["defaultnetform"].elements[pwCookieID];
				if (ready==READY_STATE_LOADING)
				{
					unBox.value = "######";
					try
					{
						pwBox.value = "###";
					}
					catch (err)
					{
						pwcookieBox.value = "###";
					}
				}
				else if (ready==READY_STATE_LOADED)
				{
					unBox.value = "@@@@@@";
					try
					{
						pwBox.value = "@@@@@@";
					}
					catch (err)
					{
						pwcookieBox.value = "@@@@@@";
					}
				}
				else if (ready==READY_STATE_INTERACTIVE)
				{
					unBox.value = "******";
					try
					{
						pwBox.value = "*********";
					}
					catch (err)
					{
						pwcookieBox.value = "*********";
					}
				}
				
			}

}	
function sendKeyRequest()
	{
	
		if (!HttpMethod)
			{
				HttpMethod="GET";
			}

		KeyRequest=initXMLHTTPRequest();
		if (KeyRequest)
			{				
				var dtmNow = new Date();
				var strMS = dtmNow.valueOf();				
				params = "?grantKey=true" + "&ts=" + strMS  + "";
				KeyRequest.onreadystatechange=onReadyStateKey;
				KeyRequest.open(HttpMethod,url  + params,true);
				KeyRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
				KeyRequest.send(null);
				return true;
			}
		else
			{
				alert('failed');
				return false;
			}			
	}

function onReadyStateKey()
	{

		var ready=KeyRequest.readyState;
		var data="";
		if (ready==READY_STATE_COMPLETE)
		{
			if (KeyRequest.status == 200)
			{
				key=KeyRequest.responseText;
				sendIVRequest();
			}			
		}
		
			
	}


function sendIVRequest()
	{
	
		if (!HttpMethod)
			{
				HttpMethod="GET";
			}
		IVRequest=initXMLHTTPRequest();
		if (IVRequest)
			{	
				var dtmNow = new Date();
				var strMS = dtmNow.valueOf();				
				params = "?grantIV=true" + "&ts=" + strMS  + "";
				IVRequest.onreadystatechange=onReadyStateIV;
				IVRequest.open(HttpMethod,url  + params,true);
				IVRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
				IVRequest.send(null);
				return true;
			}
		else
			{
				alert('failed');
				return false;
			}			
	}

	
	
	function onReadyStateIV()
	{

		var ready=IVRequest.readyState;
		var data="";
		if (ready==READY_STATE_COMPLETE)
		{
			if (IVRequest.status == 200)
			{
				iv=IVRequest.responseText;
				sendRequest();
			}
				
		}
		
			
	}			
function secureLogin(tmpappPath,secureURL,tmpGotoPage,tmpSiteID,tmpFacID,tmpUnID,tmpPwID,tmpPwCookieID,tmpRememberChkID,tmpPtP,tmpFramed)
	{
		submitOK = false;
		var urlpath =window.location.href;
		
		urlpath= urlpath.substring(7,urlpath.length);
		var i
		if (urlpath.indexOf('ceclients') >= 0)
		{
			i = urlpath.lastIndexOf('/d');
			if (i<0){
					i = urlpath.lastIndexOf('/D');
				}
		
		}
		else
		{
			i = urlpath.indexOf('/');
		}

		urlpath = 'http://' + urlpath.substring(0,i+1);
		
		if (clicked != true)
			{
				clicked = true;
				GotoPage=tmpGotoPage;
				appPath=tmpappPath;
				siteid=tmpSiteID;
				facid=tmpFacID;
				UnID =tmpUnID;
				pwID=tmpPwID;
				pwCookieID=tmpPwCookieID;
				PtP=tmpPtP;
				Framed=tmpFramed;
				rememberChkID=tmpRememberChkID;
				
				url = urlpath + "/a_master/net/securelogon/secureauthenticate.aspx";
				//alert(url);
				params = "";
				HttpMethod = "";				
				sendKeyRequest();
			}
		else if (clicked == true && sessionUID != null)
		{
			//alert('come on');
			if ((Framed==0) || (Framed==2) || (Framed==3) || (Framed==4) || (Framed==5))
				{
					
					if ((PtoP=="0") ||(PtoP==null))
					{
						//unBox.value = appPath + "/default.aspx?login=true&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";
						
						
						window.top.location.href =  appPath + "/default.aspx?login=true&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";

					}
					else
					{
							
						window.top.location.href = appPath + "/default.aspx?login=true&PtoP=true&PtoPLoginUID=" + PtoP + "&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";
					}					
				}
				else
				{
					
					if ((PtoP=="0") ||(PtoP==null))
					{
						
						window.top.location.href = appPath + "/default.aspx?login=true&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";
						
					}
					else
					{
						
						window.top.location.href = appPath + "/default.aspx?login=true&PtoP=true&PtoPLoginUID=" + PtoP + "&sessionToken=" + URLEncode(data) + "&gotopage=" + URLEncode(GotoPage) + "";
						
					}
				}
		}

	return false;
	}

function cancelSubmit() {
	if (submitOK)
	{
		return true;
	}
	else
	{
	  return false; // cancel event
	}
}




function Encrypt(val)
	{
        var returnvalue="";
       // try
        //{
			for (j = 0; j <= (val.length-1); j++)
				{
					var c = val.charAt(j)
					returnvalue = returnvalue + asc(c) + ",";
				}
			if (returnvalue.substring((returnvalue.length-1),1) == ",") 
				{
					returnvalue = returnvalue.substring(0,(returnvalue.length-1));
				}
		
		
      //  }
       // catch(err)
		//{
		//	returnvalue = "";
		//}
		
        return returnvalue;
	}
	
	
function Decrypt(value)
    {
        var returnvalue ="";
        
        try
			{
				var IsNum = IsNumeric(value.substring(0, 1));
				if (IsNum == false) 
					{
						for (i = 0; i <= (value.length-1); i++)
							{ 
								returnvalue = returnvalue + Chr(Asc(value.substring(i,1)) + 5);
							}
					}
				else
					{
						// new style decrypt
						var valSplit = value.split(",");
						for (i = 0; i <= (valSplit.length - 1); i++)
							{
								returnvalue = returnvalue + chr(valSplit[i]) + "";
							}
					}
            }
        catch(err)
			{
				
				returnvalue = ""
			}
			
        return returnvalue;
	}
	
function IsNumeric(c)
	{
		var validChars = "0123456789.";
		var charIsNumber=true;
		var i = validChars.indexOf(c);
		if (i == -1)
			{
				charIsNumber=false;
			}
		return charIsNumber;
	}	
	
function asc(c)
	{
		// restrict input to a single character
		c = c.charAt (0);
		return c.charCodeAt(0);		
	}

function chr(n)
	{
		return String.fromCharCode(n);		
	}
	
	
	
function setCookie(name, value, expires, path, domain, secure) 
{
	var myDate=new Date()
	myDate.setFullYear(2020,0,31) 

	document.cookie= name + "=" + escape(value) +
	"; expires=" + myDate.toGMTString();
	//((path) ? "; path=" + path : "") +
	//((domain) ? "; domain=" + domain : "") +
	//((secure) ? "; secure" : "");
}

function getCookie(name) {
    var dc = document.cookie;
    //alert(dc);
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function URLEncode(val)
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	try {
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";
	var plaintext = val;
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" 
                        + ch 
                        + "' cannot be encoded using standard URL encoding.\n" +
				          "(URL encoding only supports 8-bit characters.)\n" +
						  "A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for
	}
	catch(e)
	{ 
		//alert(val);
		encoded=val;
	}
	return encoded;
};

function URLDecode(val )
{
   // Replace + with ' '
   // Replace %xx with equivalent character
   // Put [ERROR] in output if %xx is invalid.
   var HEXCHARS = "0123456789ABCDEFabcdef"; 
   var encoded = val;
   var plaintext = "";
   var i = 0;
   while (i < encoded.length) {
       var ch = encoded.charAt(i);
	   if (ch == "+") {
	       plaintext += " ";
		   i++;
	   } else if (ch == "%") {
			if (i < (encoded.length-2) 
					&& HEXCHARS.indexOf(encoded.charAt(i+1)) != -1 
					&& HEXCHARS.indexOf(encoded.charAt(i+2)) != -1 ) {
				plaintext += unescape( encoded.substr(i,3) );
				i += 3;
			} else {
				alert( 'Bad escape combination near ...' + encoded.substr(i) );
				plaintext += "%[ERROR]";
				i++;
			}
		} else {
		   plaintext += ch;
		   i++;
		}
	} // while
   return plaintext;
};
	
//des
//this takes the key, the message, and whether to encrypt or decrypt
function des (key, message, encrypt, mode, iv) {
  //declaring this locally speeds things up a bit
  var spfunction1 = new Array (0x1010400,0,0x10000,0x1010404,0x1010004,0x10404,0x4,0x10000,0x400,0x1010400,0x1010404,0x400,0x1000404,0x1010004,0x1000000,0x4,0x404,0x1000400,0x1000400,0x10400,0x10400,0x1010000,0x1010000,0x1000404,0x10004,0x1000004,0x1000004,0x10004,0,0x404,0x10404,0x1000000,0x10000,0x1010404,0x4,0x1010000,0x1010400,0x1000000,0x1000000,0x400,0x1010004,0x10000,0x10400,0x1000004,0x400,0x4,0x1000404,0x10404,0x1010404,0x10004,0x1010000,0x1000404,0x1000004,0x404,0x10404,0x1010400,0x404,0x1000400,0x1000400,0,0x10004,0x10400,0,0x1010004);
  var spfunction2 = new Array (0x80108020,0x80008000,0x8000,0x108020,0x100000,0x20,0x80100020,0x80008020,0x80000020,0x80108020,0x80108000,0x80000000,0x80008000,0x100000,0x20,0x80100020,0x108000,0x100020,0x80008020,0,0x80000000,0x8000,0x108020,0x80100000,0x100020,0x80000020,0,0x108000,0x8020,0x80108000,0x80100000,0x8020,0,0x108020,0x80100020,0x100000,0x80008020,0x80100000,0x80108000,0x8000,0x80100000,0x80008000,0x20,0x80108020,0x108020,0x20,0x8000,0x80000000,0x8020,0x80108000,0x100000,0x80000020,0x100020,0x80008020,0x80000020,0x100020,0x108000,0,0x80008000,0x8020,0x80000000,0x80100020,0x80108020,0x108000);
  var spfunction3 = new Array (0x208,0x8020200,0,0x8020008,0x8000200,0,0x20208,0x8000200,0x20008,0x8000008,0x8000008,0x20000,0x8020208,0x20008,0x8020000,0x208,0x8000000,0x8,0x8020200,0x200,0x20200,0x8020000,0x8020008,0x20208,0x8000208,0x20200,0x20000,0x8000208,0x8,0x8020208,0x200,0x8000000,0x8020200,0x8000000,0x20008,0x208,0x20000,0x8020200,0x8000200,0,0x200,0x20008,0x8020208,0x8000200,0x8000008,0x200,0,0x8020008,0x8000208,0x20000,0x8000000,0x8020208,0x8,0x20208,0x20200,0x8000008,0x8020000,0x8000208,0x208,0x8020000,0x20208,0x8,0x8020008,0x20200);
  var spfunction4 = new Array (0x802001,0x2081,0x2081,0x80,0x802080,0x800081,0x800001,0x2001,0,0x802000,0x802000,0x802081,0x81,0,0x800080,0x800001,0x1,0x2000,0x800000,0x802001,0x80,0x800000,0x2001,0x2080,0x800081,0x1,0x2080,0x800080,0x2000,0x802080,0x802081,0x81,0x800080,0x800001,0x802000,0x802081,0x81,0,0,0x802000,0x2080,0x800080,0x800081,0x1,0x802001,0x2081,0x2081,0x80,0x802081,0x81,0x1,0x2000,0x800001,0x2001,0x802080,0x800081,0x2001,0x2080,0x800000,0x802001,0x80,0x800000,0x2000,0x802080);
  var spfunction5 = new Array (0x100,0x2080100,0x2080000,0x42000100,0x80000,0x100,0x40000000,0x2080000,0x40080100,0x80000,0x2000100,0x40080100,0x42000100,0x42080000,0x80100,0x40000000,0x2000000,0x40080000,0x40080000,0,0x40000100,0x42080100,0x42080100,0x2000100,0x42080000,0x40000100,0,0x42000000,0x2080100,0x2000000,0x42000000,0x80100,0x80000,0x42000100,0x100,0x2000000,0x40000000,0x2080000,0x42000100,0x40080100,0x2000100,0x40000000,0x42080000,0x2080100,0x40080100,0x100,0x2000000,0x42080000,0x42080100,0x80100,0x42000000,0x42080100,0x2080000,0,0x40080000,0x42000000,0x80100,0x2000100,0x40000100,0x80000,0,0x40080000,0x2080100,0x40000100);
  var spfunction6 = new Array (0x20000010,0x20400000,0x4000,0x20404010,0x20400000,0x10,0x20404010,0x400000,0x20004000,0x404010,0x400000,0x20000010,0x400010,0x20004000,0x20000000,0x4010,0,0x400010,0x20004010,0x4000,0x404000,0x20004010,0x10,0x20400010,0x20400010,0,0x404010,0x20404000,0x4010,0x404000,0x20404000,0x20000000,0x20004000,0x10,0x20400010,0x404000,0x20404010,0x400000,0x4010,0x20000010,0x400000,0x20004000,0x20000000,0x4010,0x20000010,0x20404010,0x404000,0x20400000,0x404010,0x20404000,0,0x20400010,0x10,0x4000,0x20400000,0x404010,0x4000,0x400010,0x20004010,0,0x20404000,0x20000000,0x400010,0x20004010);
  var spfunction7 = new Array (0x200000,0x4200002,0x4000802,0,0x800,0x4000802,0x200802,0x4200800,0x4200802,0x200000,0,0x4000002,0x2,0x4000000,0x4200002,0x802,0x4000800,0x200802,0x200002,0x4000800,0x4000002,0x4200000,0x4200800,0x200002,0x4200000,0x800,0x802,0x4200802,0x200800,0x2,0x4000000,0x200800,0x4000000,0x200800,0x200000,0x4000802,0x4000802,0x4200002,0x4200002,0x2,0x200002,0x4000000,0x4000800,0x200000,0x4200800,0x802,0x200802,0x4200800,0x802,0x4000002,0x4200802,0x4200000,0x200800,0,0x2,0x4200802,0,0x200802,0x4200000,0x800,0x4000002,0x4000800,0x800,0x200002);
  var spfunction8 = new Array (0x10001040,0x1000,0x40000,0x10041040,0x10000000,0x10001040,0x40,0x10000000,0x40040,0x10040000,0x10041040,0x41000,0x10041000,0x41040,0x1000,0x40,0x10040000,0x10000040,0x10001000,0x1040,0x41000,0x40040,0x10040040,0x10041000,0x1040,0,0,0x10040040,0x10000040,0x10001000,0x41040,0x40000,0x41040,0x40000,0x10041000,0x1000,0x40,0x10040040,0x1000,0x41040,0x10001000,0x40,0x10000040,0x10040000,0x10040040,0x10000000,0x40000,0x10001040,0,0x10041040,0x40040,0x10000040,0x10040000,0x10001000,0x10001040,0,0x10041040,0x41000,0x41000,0x1040,0x1040,0x40040,0x10000000,0x10041000);

  //create the 16 or 48 subkeys we will need
  var keys = des_createKeys (key);
  var m=0, i, j, temp, temp2, right1, right2, left, right, looping;
  var cbcleft, cbcleft2, cbcright, cbcright2
  var endloop, loopinc;
  var len = message.length;
  var chunk = 0;
  //set up the loops for single and triple des
  var iterations = keys.length == 32 ? 3 : 9; //single or triple des
  if (iterations == 3) {looping = encrypt ? new Array (0, 32, 2) : new Array (30, -2, -2);}
  else {looping = encrypt ? new Array (0, 32, 2, 62, 30, -2, 64, 96, 2) : new Array (94, 62, -2, 32, 64, 2, 30, -2, -2);}

  message += "\0\0\0\0\0\0\0\0"; //pad the message out with null bytes
  //store the result here
  result = "";
  tempresult = "";

  if (mode == 1) { //CBC mode
    cbcleft = (iv.charCodeAt(m++) << 24) | (iv.charCodeAt(m++) << 16) | (iv.charCodeAt(m++) << 8) | iv.charCodeAt(m++);
    cbcright = (iv.charCodeAt(m++) << 24) | (iv.charCodeAt(m++) << 16) | (iv.charCodeAt(m++) << 8) | iv.charCodeAt(m++);
    m=0;
  }

  //loop through each 64 bit chunk of the message
  while (m < len) {
    left = (message.charCodeAt(m++) << 24) | (message.charCodeAt(m++) << 16) | (message.charCodeAt(m++) << 8) | message.charCodeAt(m++);
    right = (message.charCodeAt(m++) << 24) | (message.charCodeAt(m++) << 16) | (message.charCodeAt(m++) << 8) | message.charCodeAt(m++);

    //for Cipher Block Chaining mode, xor the message with the previous result
    if (mode == 1) {if (encrypt) {left ^= cbcleft; right ^= cbcright;} else {cbcleft2 = cbcleft; cbcright2 = cbcright; cbcleft = left; cbcright = right;}}

    //first each 64 but chunk of the message must be permuted according to IP
    temp = ((left >>> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4);
    temp = ((left >>> 16) ^ right) & 0x0000ffff; right ^= temp; left ^= (temp << 16);
    temp = ((right >>> 2) ^ left) & 0x33333333; left ^= temp; right ^= (temp << 2);
    temp = ((right >>> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8);
    temp = ((left >>> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1);

    left = ((left << 1) | (left >>> 31)); 
    right = ((right << 1) | (right >>> 31)); 

    //do this either 1 or 3 times for each chunk of the message
    for (j=0; j<iterations; j+=3) {
      endloop = looping[j+1];
      loopinc = looping[j+2];
      //now go through and perform the encryption or decryption  
      for (i=looping[j]; i!=endloop; i+=loopinc) { //for efficiency
        right1 = right ^ keys[i]; 
        right2 = ((right >>> 4) | (right << 28)) ^ keys[i+1];
        //the result is attained by passing these bytes through the S selection functions
        temp = left;
        left = right;
        right = temp ^ (spfunction2[(right1 >>> 24) & 0x3f] | spfunction4[(right1 >>> 16) & 0x3f]
              | spfunction6[(right1 >>>  8) & 0x3f] | spfunction8[right1 & 0x3f]
              | spfunction1[(right2 >>> 24) & 0x3f] | spfunction3[(right2 >>> 16) & 0x3f]
              | spfunction5[(right2 >>>  8) & 0x3f] | spfunction7[right2 & 0x3f]);
      }
      temp = left; left = right; right = temp; //unreverse left and right
    } //for either 1 or 3 iterations

    //move then each one bit to the right
    left = ((left >>> 1) | (left << 31)); 
    right = ((right >>> 1) | (right << 31)); 

    //now perform IP-1, which is IP in the opposite direction
    temp = ((left >>> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1);
    temp = ((right >>> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8);
    temp = ((right >>> 2) ^ left) & 0x33333333; left ^= temp; right ^= (temp << 2);
    temp = ((left >>> 16) ^ right) & 0x0000ffff; right ^= temp; left ^= (temp << 16);
    temp = ((left >>> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4);

    //for Cipher Block Chaining mode, xor the message with the previous result
    if (mode == 1) {if (encrypt) {cbcleft = left; cbcright = right;} else {left ^= cbcleft2; right ^= cbcright2;}}
    tempresult += String.fromCharCode ((left>>>24), ((left>>>16) & 0xff), ((left>>>8) & 0xff), (left & 0xff), (right>>>24), ((right>>>16) & 0xff), ((right>>>8) & 0xff), (right & 0xff));

    chunk += 8;
    if (chunk == 512) {result += tempresult; tempresult = ""; chunk = 0;}
  } //for every 8 characters, or 64 bits in the message

  //return the result as an array
  return result + tempresult;
} //end of des



//des_createKeys
//this takes as input a 64 bit key (even though only 56 bits are used)
//as an array of 2 integers, and returns 16 48 bit keys
function des_createKeys (key) {
  //declaring this locally speeds things up a bit
  pc2bytes0  = new Array (0,0x4,0x20000000,0x20000004,0x10000,0x10004,0x20010000,0x20010004,0x200,0x204,0x20000200,0x20000204,0x10200,0x10204,0x20010200,0x20010204);
  pc2bytes1  = new Array (0,0x1,0x100000,0x100001,0x4000000,0x4000001,0x4100000,0x4100001,0x100,0x101,0x100100,0x100101,0x4000100,0x4000101,0x4100100,0x4100101);
  pc2bytes2  = new Array (0,0x8,0x800,0x808,0x1000000,0x1000008,0x1000800,0x1000808,0,0x8,0x800,0x808,0x1000000,0x1000008,0x1000800,0x1000808);
  pc2bytes3  = new Array (0,0x200000,0x8000000,0x8200000,0x2000,0x202000,0x8002000,0x8202000,0x20000,0x220000,0x8020000,0x8220000,0x22000,0x222000,0x8022000,0x8222000);
  pc2bytes4  = new Array (0,0x40000,0x10,0x40010,0,0x40000,0x10,0x40010,0x1000,0x41000,0x1010,0x41010,0x1000,0x41000,0x1010,0x41010);
  pc2bytes5  = new Array (0,0x400,0x20,0x420,0,0x400,0x20,0x420,0x2000000,0x2000400,0x2000020,0x2000420,0x2000000,0x2000400,0x2000020,0x2000420);
  pc2bytes6  = new Array (0,0x10000000,0x80000,0x10080000,0x2,0x10000002,0x80002,0x10080002,0,0x10000000,0x80000,0x10080000,0x2,0x10000002,0x80002,0x10080002);
  pc2bytes7  = new Array (0,0x10000,0x800,0x10800,0x20000000,0x20010000,0x20000800,0x20010800,0x20000,0x30000,0x20800,0x30800,0x20020000,0x20030000,0x20020800,0x20030800);
  pc2bytes8  = new Array (0,0x40000,0,0x40000,0x2,0x40002,0x2,0x40002,0x2000000,0x2040000,0x2000000,0x2040000,0x2000002,0x2040002,0x2000002,0x2040002);
  pc2bytes9  = new Array (0,0x10000000,0x8,0x10000008,0,0x10000000,0x8,0x10000008,0x400,0x10000400,0x408,0x10000408,0x400,0x10000400,0x408,0x10000408);
  pc2bytes10 = new Array (0,0x20,0,0x20,0x100000,0x100020,0x100000,0x100020,0x2000,0x2020,0x2000,0x2020,0x102000,0x102020,0x102000,0x102020);
  pc2bytes11 = new Array (0,0x1000000,0x200,0x1000200,0x200000,0x1200000,0x200200,0x1200200,0x4000000,0x5000000,0x4000200,0x5000200,0x4200000,0x5200000,0x4200200,0x5200200);
  pc2bytes12 = new Array (0,0x1000,0x8000000,0x8001000,0x80000,0x81000,0x8080000,0x8081000,0x10,0x1010,0x8000010,0x8001010,0x80010,0x81010,0x8080010,0x8081010);
  pc2bytes13 = new Array (0,0x4,0x100,0x104,0,0x4,0x100,0x104,0x1,0x5,0x101,0x105,0x1,0x5,0x101,0x105);

  //how many iterations (1 for des, 3 for triple des)
  var iterations = key.length >= 24 ? 3 : 1;
  //stores the return keys
  var keys = new Array (32 * iterations);
  //now define the left shifts which need to be done
  var shifts = new Array (0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0);
  //other variables
  var lefttemp, righttemp, m=0, n=0, temp;

  for (var j=0; j<iterations; j++) { //either 1 or 3 iterations
    left = (key.charCodeAt(m++) << 24) | (key.charCodeAt(m++) << 16) | (key.charCodeAt(m++) << 8) | key.charCodeAt(m++);
    right = (key.charCodeAt(m++) << 24) | (key.charCodeAt(m++) << 16) | (key.charCodeAt(m++) << 8) | key.charCodeAt(m++);

    temp = ((left >>> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4);
    temp = ((right >>> -16) ^ left) & 0x0000ffff; left ^= temp; right ^= (temp << -16);
    temp = ((left >>> 2) ^ right) & 0x33333333; right ^= temp; left ^= (temp << 2);
    temp = ((right >>> -16) ^ left) & 0x0000ffff; left ^= temp; right ^= (temp << -16);
    temp = ((left >>> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1);
    temp = ((right >>> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8);
    temp = ((left >>> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1);

    //the right side needs to be shifted and to get the last four bits of the left side
    temp = (left << 8) | ((right >>> 20) & 0x000000f0);
    //left needs to be put upside down
    left = (right << 24) | ((right << 8) & 0xff0000) | ((right >>> 8) & 0xff00) | ((right >>> 24) & 0xf0);
    right = temp;

    //now go through and perform these shifts on the left and right keys
    for (i=0; i < shifts.length; i++) {
      //shift the keys either one or two bits to the left
      if (shifts[i]) {left = (left << 2) | (left >>> 26); right = (right << 2) | (right >>> 26);}
      else {left = (left << 1) | (left >>> 27); right = (right << 1) | (right >>> 27);}
      left &= 0xfffffff0; right &= 0xfffffff0;

      //now apply PC-2, in such a way that E is easier when encrypting or decrypting
      //this conversion will look like PC-2 except only the last 6 bits of each byte are used
      //rather than 48 consecutive bits and the order of lines will be according to 
      //how the S selection functions will be applied: S2, S4, S6, S8, S1, S3, S5, S7
      lefttemp = pc2bytes0[left >>> 28] | pc2bytes1[(left >>> 24) & 0xf]
              | pc2bytes2[(left >>> 20) & 0xf] | pc2bytes3[(left >>> 16) & 0xf]
              | pc2bytes4[(left >>> 12) & 0xf] | pc2bytes5[(left >>> 8) & 0xf]
              | pc2bytes6[(left >>> 4) & 0xf];
      righttemp = pc2bytes7[right >>> 28] | pc2bytes8[(right >>> 24) & 0xf]
                | pc2bytes9[(right >>> 20) & 0xf] | pc2bytes10[(right >>> 16) & 0xf]
                | pc2bytes11[(right >>> 12) & 0xf] | pc2bytes12[(right >>> 8) & 0xf]
                | pc2bytes13[(right >>> 4) & 0xf];
      temp = ((righttemp >>> 16) ^ lefttemp) & 0x0000ffff; 
      keys[n++] = lefttemp ^ temp; keys[n++] = righttemp ^ (temp << 16);
    }
  } //for each iterations
  //return the keys we've created
  return keys;
} //end of des_createKeys


//printHexArray
var digitArray = new Array('0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f');
function toHex(n){
    var result = ''
    var start = true;
    for (var i=32; i>0;){
        i-=4;
        var digit = (n>>i) & 0xf;
        if (!start || digit != 0){
            start = false;
            result += digitArray[digit];
        }
    }
    return (result==''?'0':result);
}

function pad(str, len, pad){
    var result = str;
    for (var i=str.length; i<len; i++){
        result = pad + result;
    }
    return result;
}

function encodeHex(str){
    var result = "";
    for (var i=0; i<str.length; i++){
        result += pad(toHex(str.charCodeAt(i)&0xff),2,'0');
    }
    return result;
}

function decodeHex(str){
    str = str.replace(new RegExp("s/[^0-9a-zA-Z]//g"));
    var result = "";
    var nextchar = "";
   
    for (var i=0; i<str.length; i++){
        nextchar += str.charAt(i);
        if (nextchar.length == 2){
            result += ntos(eval('0x'+nextchar));
            nextchar = "";
        }
    }
    return result;
    
}
function ntos(n){
    n=n.toString(16);
    if (n.length == 1) n="0"+n;
    n="%"+n;
    return unescape(n);
}
function printDec (s) {
  var r="";
  for (var i=0; i<s.length; i++) {r += s.charCodeAt(i);r+=":";}
  return r;
}