905 lines
26 KiB
JavaScript
905 lines
26 KiB
JavaScript
/*!
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* Des加密解密
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* 加密：DesUtils.encode('admin', '1,2,3')
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* 解密：DesUtils.decode('012C2C9BA925FAF8045B2FD9B02A2664', '1,2,3')
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* 表单提前加密：
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* <script src="${ctxStatic}/common/des.min.js" type="text/javascript"></script>
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* $('#inputForm').submit(function(){
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* $('#password').val(DesUtils.encode($('#password').val(), '1,2,3'));
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* });
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* @author jishenghua
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*/
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(function() {
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this.DesUtils = function(){};
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/**
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* 加密（secretKey代表3个key，用逗号分隔）
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*/
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this.DesUtils.encode = function(data, secretKey){
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if (data && secretKey){
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var ks = secretKey.split(',');
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if (ks.length >= 3){
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return strEnc(data, ks[0], ks[1], ks[2]);
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}
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return strEnc(data, secretKey, '', '');
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}
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return '';
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},
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/**
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* 解密（secretKey代表3个key，用逗号分隔）
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*/
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this.DesUtils.decode = function(data, secretKey){
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if (data && secretKey){
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var ks = secretKey.split(',');
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if (ks.length >= 3){
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return strDec(data, ks[0], ks[1], ks[2]);
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}
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return strDec(data, secretKey, '', '');
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}
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return '';
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}
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/*
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* encrypt the string to string made up of hex
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* return the encrypted string
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*/
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function strEnc(data,firstKey,secondKey,thirdKey){
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var leng = data.length;
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var encData = "";
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var firstKeyBt,secondKeyBt,thirdKeyBt,firstLength,secondLength,thirdLength;
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if(firstKey != null && firstKey != ""){
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firstKeyBt = getKeyBytes(firstKey);
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firstLength = firstKeyBt.length;
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}
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if(secondKey != null && secondKey != ""){
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secondKeyBt = getKeyBytes(secondKey);
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secondLength = secondKeyBt.length;
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}
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if(thirdKey != null && thirdKey != ""){
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thirdKeyBt = getKeyBytes(thirdKey);
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thirdLength = thirdKeyBt.length;
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}
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if(leng > 0){
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if(leng < 4){
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var bt = strToBt(data);
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var encByte ;
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if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
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var tempBt;
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var x,y,z;
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tempBt = bt;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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for(y = 0;y < secondLength ;y ++){
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tempBt = enc(tempBt,secondKeyBt[y]);
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}
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for(z = 0;z < thirdLength ;z ++){
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tempBt = enc(tempBt,thirdKeyBt[z]);
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}
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encByte = tempBt;
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}else{
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if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
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var tempBt;
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var x,y;
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tempBt = bt;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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for(y = 0;y < secondLength ;y ++){
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tempBt = enc(tempBt,secondKeyBt[y]);
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}
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encByte = tempBt;
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}else{
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if(firstKey != null && firstKey !=""){
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var tempBt;
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var x = 0;
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tempBt = bt;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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encByte = tempBt;
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}
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}
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}
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encData = bt64ToHex(encByte);
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}else{
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var iterator = parseInt(leng/4);
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var remainder = leng%4;
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var i=0;
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for(i = 0;i < iterator;i++){
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var tempData = data.substring(i*4+0,i*4+4);
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var tempByte = strToBt(tempData);
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var encByte ;
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if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
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var tempBt;
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var x,y,z;
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tempBt = tempByte;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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for(y = 0;y < secondLength ;y ++){
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tempBt = enc(tempBt,secondKeyBt[y]);
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}
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for(z = 0;z < thirdLength ;z ++){
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tempBt = enc(tempBt,thirdKeyBt[z]);
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}
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encByte = tempBt;
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}else{
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if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
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var tempBt;
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var x,y;
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tempBt = tempByte;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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for(y = 0;y < secondLength ;y ++){
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tempBt = enc(tempBt,secondKeyBt[y]);
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}
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encByte = tempBt;
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}else{
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if(firstKey != null && firstKey !=""){
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var tempBt;
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var x;
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tempBt = tempByte;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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encByte = tempBt;
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}
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}
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}
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encData += bt64ToHex(encByte);
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}
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if(remainder > 0){
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var remainderData = data.substring(iterator*4+0,leng);
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var tempByte = strToBt(remainderData);
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var encByte ;
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if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
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var tempBt;
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var x,y,z;
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tempBt = tempByte;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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for(y = 0;y < secondLength ;y ++){
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tempBt = enc(tempBt,secondKeyBt[y]);
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}
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for(z = 0;z < thirdLength ;z ++){
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tempBt = enc(tempBt,thirdKeyBt[z]);
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}
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encByte = tempBt;
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}else{
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if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
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var tempBt;
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var x,y;
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tempBt = tempByte;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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for(y = 0;y < secondLength ;y ++){
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tempBt = enc(tempBt,secondKeyBt[y]);
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}
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encByte = tempBt;
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}else{
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if(firstKey != null && firstKey !=""){
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var tempBt;
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var x;
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tempBt = tempByte;
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for(x = 0;x < firstLength ;x ++){
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tempBt = enc(tempBt,firstKeyBt[x]);
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}
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encByte = tempBt;
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}
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}
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}
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encData += bt64ToHex(encByte);
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}
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}
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}
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return encData;
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}
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/*
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* decrypt the encrypted string to the original string
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*
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* return the original string
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*/
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function strDec(data,firstKey,secondKey,thirdKey){
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var leng = data.length;
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var decStr = "";
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var firstKeyBt,secondKeyBt,thirdKeyBt,firstLength,secondLength,thirdLength;
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if(firstKey != null && firstKey != ""){
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firstKeyBt = getKeyBytes(firstKey);
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firstLength = firstKeyBt.length;
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}
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if(secondKey != null && secondKey != ""){
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secondKeyBt = getKeyBytes(secondKey);
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secondLength = secondKeyBt.length;
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}
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if(thirdKey != null && thirdKey != ""){
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thirdKeyBt = getKeyBytes(thirdKey);
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thirdLength = thirdKeyBt.length;
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}
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var iterator = parseInt(leng/16);
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var i=0;
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for(i = 0;i < iterator;i++){
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var tempData = data.substring(i*16+0,i*16+16);
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var strByte = hexToBt64(tempData);
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var intByte = new Array(64);
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var j = 0;
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for(j = 0;j < 64; j++){
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intByte[j] = parseInt(strByte.substring(j,j+1));
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}
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var decByte;
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if(firstKey != null && firstKey !="" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != ""){
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var tempBt;
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var x,y,z;
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tempBt = intByte;
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for(x = thirdLength - 1;x >= 0;x --){
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tempBt = dec(tempBt,thirdKeyBt[x]);
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}
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for(y = secondLength - 1;y >= 0;y --){
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tempBt = dec(tempBt,secondKeyBt[y]);
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}
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for(z = firstLength - 1;z >= 0 ;z --){
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tempBt = dec(tempBt,firstKeyBt[z]);
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}
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decByte = tempBt;
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}else{
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if(firstKey != null && firstKey !="" && secondKey != null && secondKey != ""){
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var tempBt;
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var x,y,z;
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tempBt = intByte;
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for(x = secondLength - 1;x >= 0 ;x --){
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tempBt = dec(tempBt,secondKeyBt[x]);
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}
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for(y = firstLength - 1;y >= 0 ;y --){
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tempBt = dec(tempBt,firstKeyBt[y]);
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}
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decByte = tempBt;
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}else{
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if(firstKey != null && firstKey !=""){
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var tempBt;
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var x,y,z;
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tempBt = intByte;
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for(x = firstLength - 1;x >= 0 ;x --){
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tempBt = dec(tempBt,firstKeyBt[x]);
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}
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decByte = tempBt;
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}
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}
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}
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decStr += byteToString(decByte);
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}
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return decStr;
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}
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/*
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* chang the string into the bit array
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*
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* return bit array(it's length % 64 = 0)
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*/
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function getKeyBytes(key){
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var keyBytes = new Array();
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var leng = key.length;
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var iterator = parseInt(leng/4);
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var remainder = leng%4;
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var i = 0;
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for(i = 0;i < iterator; i ++){
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keyBytes[i] = strToBt(key.substring(i*4+0,i*4+4));
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}
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if(remainder > 0){
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keyBytes[i] = strToBt(key.substring(i*4+0,leng));
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}
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return keyBytes;
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}
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/*
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* chang the string(it's length <= 4) into the bit array
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*
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* return bit array(it's length = 64)
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*/
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function strToBt(str){
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var leng = str.length;
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var bt = new Array(64);
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if(leng < 4){
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var i=0,j=0,p=0,q=0;
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for(i = 0;i<leng;i++){
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var k = str.charCodeAt(i);
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for(j=0;j<16;j++){
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var pow=1,m=0;
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for(m=15;m>j;m--){
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pow *= 2;
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}
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bt[16*i+j]=parseInt(k/pow)%2;
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}
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}
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for(p = leng;p<4;p++){
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var k = 0;
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for(q=0;q<16;q++){
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var pow=1,m=0;
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for(m=15;m>q;m--){
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pow *= 2;
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}
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bt[16*p+q]=parseInt(k/pow)%2;
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}
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}
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}else{
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for(i = 0;i<4;i++){
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var k = str.charCodeAt(i);
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for(j=0;j<16;j++){
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var pow=1;
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for(m=15;m>j;m--){
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pow *= 2;
|
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}
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bt[16*i+j]=parseInt(k/pow)%2;
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}
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}
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}
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return bt;
|
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}
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|
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/*
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* chang the bit(it's length = 4) into the hex
|
||
*
|
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* return hex
|
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*/
|
||
function bt4ToHex(binary) {
|
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var hex;
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switch (binary) {
|
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case "0000" : hex = "0"; break;
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case "0001" : hex = "1"; break;
|
||
case "0010" : hex = "2"; break;
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case "0011" : hex = "3"; break;
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case "0100" : hex = "4"; break;
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case "0101" : hex = "5"; break;
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||
case "0110" : hex = "6"; break;
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||
case "0111" : hex = "7"; break;
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||
case "1000" : hex = "8"; break;
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||
case "1001" : hex = "9"; break;
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||
case "1010" : hex = "A"; break;
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||
case "1011" : hex = "B"; break;
|
||
case "1100" : hex = "C"; break;
|
||
case "1101" : hex = "D"; break;
|
||
case "1110" : hex = "E"; break;
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||
case "1111" : hex = "F"; break;
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}
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return hex;
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}
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||
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/*
|
||
* chang the hex into the bit(it's length = 4)
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*
|
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* return the bit(it's length = 4)
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*/
|
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function hexToBt4(hex) {
|
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var binary;
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switch (hex) {
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case "0" : binary = "0000"; break;
|
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case "1" : binary = "0001"; break;
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||
case "2" : binary = "0010"; break;
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||
case "3" : binary = "0011"; break;
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||
case "4" : binary = "0100"; break;
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||
case "5" : binary = "0101"; break;
|
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case "6" : binary = "0110"; break;
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||
case "7" : binary = "0111"; break;
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||
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;
|
||
}
|
||
|
||
/*
|
||
* the 64 bit des core arithmetic
|
||
*/
|
||
|
||
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 dec(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 = 15;i >= 0;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;
|
||
}
|
||
|
||
})(); |