MyEclipse破解程序

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//Test.java
 
import java.io.BufferedReader; 
import java.io.IOException; 
import java.io.InputStreamReader; 
public class Test { 
 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 StringBuffer("-").append(new java.text. 
 SimpleDateFormat("yyMMdd").format(cal.getTime())).append("0"). 
 toString(); 
 String type = "YE3MP-"; 
 String need = new StringBuffer(userId.substring(0, 1)).append(type). 
 append("300").append(licenseNum).append(verTime).toString(); 
 String dx = new StringBuffer(need).append(LL).append(userId).toString(); 
 int suf = this.decode(dx); 
 String code = new StringBuffer(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 Test(){ 
 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(); 
 Test myeclipsegen = new Test(); 
 String res = myeclipsegen.getSerial(userId, "20"); 
 System.out.println("Serial:" + res); 
 reader.readLine(); 
 } catch (IOException ex){ 
 } 
 } 
} 
执行此代码,任意录入字符串

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