谁看得懂能解答我 ？重谢
是个DES算法.....但是又不同...求解！！这个用winform程序能调用么.或者谁有相关的C#调用..能详细解答我的重谢function enString(data){ var key1 = "YHXWWLKJYXGS"; var key2 = "ZFCHHYXFL10C"; var key3 = "DES"; var enchex = strEnc(data,key1,key2,key3); return enchex;}/*** DES加密/解密* @Copyright Copyright (c) 2009* @author linsi*//** encrypt the string to string made up of hex* return the encrypted string*/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;}/** chang the string into the bit array* * return bit array(it's length % 64 = 0)*/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;}/** chang the string(it's length <= 4) into the bit array* * return bit array(it's length = 64)*/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;}/** chang the bit(it's length = 4) into the hex* * return hex*/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;}/** chang the hex into the bit(it's length = 4)* * return the bit(it's length = 4)*/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;}/** the 64 bit des core arithmetic*/function enc(dataByte,keyByte){