Security Encode & Decode
2021-06-04 16:01
标签：密码 dex ring bsp doc input val 管理系统 NPU 加密的方法是由某管理系统的登录密码加密方法修改得到的，解密的方法是本人写的。 其中加密算法的测试结果如下： Sample Input: Leisureeen Sample Output: 378QdM7Ut3efbwK 解密算法的测试结果如下： Sample Input: 378QdM7Ut3efbwK Sample Output: Security Encode & Decode 标签：密码 dex ring bsp doc input val 管理系统 NPU 原文地址：https://www.cnblogs.com/leisureeen/p/12341050.html 1 html>
2 head>
3 title>Powered By Leisureeentitle>
4 head>
5 script language="JavaScript">
6 function securityEncode(){
7 var pwd = document.getElementById("txt").value;
8 var strDe = "RDpbLfCPsJZ7fiv";
9 var dictionary = "yLwVl0zKqws7LgKPRQ84Mdt708T1qQ3Ha7xv3H7NyU84p21BriUWBU43odz3iP4rBL3cD02KZciX"+
10 "TysVXiV8ngg6vL48rPJyAUw0HurW20xqxv9aYb4M9wK1Ae0wlro510qXeU07kV57fQMc8L6aLgML"+
11 "wygtc0F10a0Dg70TOoouyFhdysuRMO51yY5ZlOZZLEal1h0t9YQW0Ko7oBwmCAHoic4HYbUyVeU3"+
12 "sfQ1xtXcPcf1aT303wAQhv66qzW";
13 var output = "";
14 var lenMax, len1, len2, lenDict;
15 var cl = 0xBB, cr = 0xBB;
16 len1 = strDe.length;
17 len2 = pwd.length;
18 lenDict = dictionary.length;
19 lenMax = len1 > len2 ? len1 : len2;
20 for (var index = 0; index lenMax; index++){
21 cl = cr = 0xBB;
22 if(index len1)
23 cl = strDe.charCodeAt(index);
24 if(index len2)
25 cr = pwd.charCodeAt(index);
26 output += dictionary.charAt((cl ^ cr) % lenDict);
27 }
28 document.getElementById("out").value = output;
29 }
30 function decode(){
31 var pwd = document.getElementById("txt").value;
32 var strDe = "RDpbLfCPsJZ7fiv";
33 var dictionary = "yLwVl0zKqws7LgKPRQ84Mdt708T1qQ3Ha7xv3H7NyU84p21BriUWBU43odz3iP4rBL3cD02KZciX"+
34 "TysVXiV8ngg6vL48rPJyAUw0HurW20xqxv9aYb4M9wK1Ae0wlro510qXeU07kV57fQMc8L6aLgML"+
35 "wygtc0F10a0Dg70TOoouyFhdysuRMO51yY5ZlOZZLEal1h0t9YQW0Ko7oBwmCAHoic4HYbUyVeU3"+
36 "sfQ1xtXcPcf1aT303wAQhv66qzWy";//append ‘y‘
37 var output = "";
38 if(pwd.length 15)
39 alert("pwd.length must great than or equals to 15.");
40 else if(pwd.length == 15){
41 for(var iChar = 0; iChar 15; iChar++){
42 var flag0xBB = false;
43 output += (iChar + 1) + ": ";
44 for(var iDic = 0; iDic 255; iDic++){
45 if(dictionary.charCodeAt(iDic) == pwd.charCodeAt(iChar)){
46 var keyChar = iDic ^ strDe.charCodeAt(iChar);
47 if(keyChar >= 32 && keyChar 126)
48 output += String.fromCharCode(keyChar);
49 else if(keyChar == 0xBB)
50 flag0xBB = true;
51 }
52 }
53 output += "\n";
54 if(flag0xBB)
55 output += "Password may contains " + iChar + " char(s).\n";
56 }
57 }
58 else{
59 for(var iChar = 0; iChar pwd.length; iChar++){
60 output += (iChar + 1) + ": ";
61 for(var iDic = 0; iDic 255; iDic++){
62 if(dictionary.charCodeAt(iDic) == pwd.charCodeAt(iChar)){
63 var keyChar = iDic ^ (iChar >= 15 ? 0xBB : strDe.charCodeAt(iChar));
64 if(keyChar >= 32 && keyChar 126)
65 output += String.fromCharCode(keyChar);
66 }
67 }
68 output += "\n";
69 }
70 }
71 document.getElementById("out").value = output;
72 }
73 script>
74 body bgcolor="ABCDEF">
75 div align="center">
76 b>textarea id="txt" style="height:100;width:500;font-size:20px">123456789ABCDEFtextarea>br>
77 input type="button" onclick="securityEncode()" value="Encode">
78 input type="button" onclick="decode()" value="Decode">br>
79 textarea id="out" style="height:400;width:500;font-size:20px">textarea>br>
80 Designer:Leisureeenb>br>
81 div>
82 body>
83 html>
1: Lvei
2: OSeb
3: biZ#+
4: s
5: Yu
6: r
7: HTbe
8: ybe1
9: e
10: Tn}q
11: #
Password may contains 10 char(s).
12:
Password may contains 11 char(s).
13:
Password may contains 12 char(s).
14: k`
Password may contains 13 char(s).
15: qx1
Password may contains 14 char(s).
文章标题：Security Encode & Decode
文章链接：http://soscw.com/index.php/essay/90456.html