天地无用--（myeclipse6blue破解）Crack.java(转)

import java.text.DecimalFormat; import java.text.NumberFormat; import java.text.SimpleDateFormat; import java.util.Calendar; public class Crack { public static final void main(String[] args){ String id="name"; String num="999"; System.out.println("id :"+id); System.out.println("num :"+num); System.out.println("code:"+getSerial(id,"100",num,false)); } public static String getSerial(String userId, String version, String licenseNum, boolean selected) { 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 = selected ? (new StringBuffer("-")).append( (new SimpleDateFormat("yyMMdd")).format(cal.getTime())).append( "0").toString() : "-0812310"; String type = "YE3MB-"; String need = (new StringBuffer(String.valueOf(userId.substring(0, 1)))) .append(type).append(version).append(licenseNum) .append(verTime).toString(); String dx = (new StringBuffer(String.valueOf(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 StringBuffer(String.valueOf(need))).append( String.valueOf(suf)).toString(); return change(code); } private static 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 static 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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