import java.io.*;
import java.text.*;
import java.util.Calendar;
import java.awt.datatransfer.*;
public class XXXclipseCracker{
private void go()throws Exception {
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
System.out.println("XXXclipse Cracker");
System.out.print("Please Input User ID:");
String userId=br.readLine();
if (userId.length()==0) return;
String serialString=getSerial(userId, "200");
System.out.println("Serial Code:"+serialString);
java.awt.Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(serialString), null);
System.out.println("Note:The serial code has succefully copied into clipboard!\nPress 'Enter' to exit...");
br.readLine();
}
public static void main(String args[]) throws Exception{
new XXXclipseCracker().go();
}
public String getSerial(String userId, String licenseNum)
{
Calendar cal = Calendar.getInstance();
cal.add(1, 3);
cal.add(6, -1);
NumberFormat nf = new DecimalFormat("000");
licenseNum = nf.format(Integer.valueOf(licenseNum));
String verTime = (new StringBuilder("-")).append((new 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("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.").append(userId).toString();
int suf = decode(dx);
String code = (new StringBuilder(need)).append(String.valueOf(suf)).toString();
return change(code);
}
private int decode(String s)
{
int i = 0;
char ac[] = s.toCharArray();
int j = 0;
for(int k = ac.length; j < k; j++)
i = 31 * i + ac[j];
return Math.abs(i);
}
private String change(String s)
{
byte abyte0[] = s.getBytes();
char ac[] = new char[s.length()];
int i = 0;
for(int k = abyte0.length; i < k; i++)
{
int 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;
}
return String.valueOf(ac);
}
}
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