Myeclipse 自动生成注册码

柔光的暖阳◎ 2022-04-16 01:05 254阅读 0赞

package com.abin.file.bytes;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    
    public class MyEclipseCracker
    {
       
         private static final String LL = "Decompiling this copyrighted software is a violation of both your license agreement and the Digital Millenium Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up to five years imprisonment for a first offense. Think about it; pay for a license, avoid prosecution, and feel better about yourself.";
    
         public String getSerial(String userId, String licenseNum)
         {
       
            java.util.Calendar cal = java.util.Calendar.getInstance();
            cal.add(1, 3);
            cal.add(6, -1);
            java.text.NumberFormat nf = new java.text.DecimalFormat("000");
            licenseNum = nf.format(Integer.valueOf(licenseNum));
            String verTime = new StringBuilder("-").append(
              new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime()))
              .append("0").toString();
            String type = "YE3MP-";
            String need = new StringBuilder(userId.substring(0, 1)).append(type)
              .append("300").append(licenseNum).append(verTime).toString();
            String dx = new StringBuilder(need).append(LL).append(userId)
              .toString();
            int suf = this.decode(dx);
            String code = new StringBuilder(need).append(String.valueOf(suf))
              .toString();
            return this.change(code);
         }
    
         private int decode(String s)
         {
       
                   int i;
                   char[] ac;
                   int j;
                   int k;
                   i = 0;
                   ac = s.toCharArray();
                   j = 0;
                   k = ac.length;
                   while (j < k)
                   {
       
                            i = (31 * i) + ac[j];
                            j++;
                   }
                   return Math.abs(i);
         }
    
         private String change(String s)
         {
       
                   byte[] abyte0;
                   char[] ac;
                   int i;
                   int k;
                   int j;
                   abyte0 = s.getBytes();
                   ac = new char[s.length()];
                   i = 0;
                   k = abyte0.length;
                   while (i < k)
                   {
       
                            j = abyte0[i];
                            if ((j >= 48) && (j <= 57))
                            {
       
                                     j = (((j - 48) + 5) % 10) + 48;
                            }
                            else if ((j >= 65) && (j <= 90))
                            {
       
                                     j = (((j - 65) + 13) % 26) + 65;
                            }
                            else if ((j >= 97) && (j <= 122))
                            {
       
                                     j = (((j - 97) + 13) % 26) + 97;
                            }
                            ac[i] = (char) j;
                            i++;
            }
            return String.valueOf(ac);
         }
    
         public MyEclipseCracker()
         {
       
                   super();
         }
    
         public static void main(String[] args)
         {
       
                   try
                   {
       
                       System.out.println("please input register name:");
                       BufferedReader reader = new BufferedReader(new InputStreamReader(
                         System.in));
                       String userId = null;
                       userId = reader.readLine();
                       MyEclipseCracker myeclipsegen = new MyEclipseCracker();
                       String res = myeclipsegen.getSerial(userId, "5");
                       System.out.println("Serial:" + res);
                       reader.readLine();
                   }
                   catch(IOException ex)
                   {
       
                   }
         }
    }