package com.ncs.crack; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class MyEclipseGen {
   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 MyEclipseGen() {
   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();         MyEclipseGen myeclipsegen = new MyEclipseGen();         String res = myeclipsegen.getSerial(userId, "5");         System.out.println("Serial:" + res);         reader.readLine();        } catch (IOException ex) {
          }     }     }