IntelliJ IDEA 14 Keygen

 package keygen;

 import java.math.BigInteger;
 import java.util.Date;
 import java.util.zip.CRC32;

 public class Keygen {

     private static final int version = 14;

     /**
      * @param s
      * @param i
      * @param bytes
      * @return
      */
     public static short getCRC(String s, int i, byte bytes[]) {
         CRC32 crc32 = new CRC32();
         if (s != null) {
             for (int j = 0; j < s.length(); j++) {
                 char c = s.charAt(j);
                 crc32.update(c);
             }
         }
         crc32.update(i);
         crc32.update(i >> 8);
         crc32.update(i >> 16);
         crc32.update(i >> 24);
         for (int k = 0; k < bytes.length - 2; k++) {
             byte byte0 = bytes[k];
             crc32.update(byte0);
         }
         return (short) (int) crc32.getValue();
     }

     /**
      * @param biginteger
      * @return String
      */
     public static String encodeGroups(BigInteger biginteger) {
         BigInteger beginner1 = BigInteger.valueOf(0x39aa400L);
         StringBuilder sb = new StringBuilder();
         for (int i = 0; biginteger.compareTo(BigInteger.ZERO) != 0; i++) {
             int j = biginteger.mod(beginner1).intValue();
             String s1 = encodeGroup(j);
             if (i > 0) {
                 sb.append("-");
             }
             sb.append(s1);
             biginteger = biginteger.divide(beginner1);
         }
         return sb.toString();
     }

     /**
      * @param i
      * @return
      */
     public static String encodeGroup(int i) {
         StringBuilder sb = new StringBuilder();
         for (int j = 0; j < 5; j++) {
             int k = i % 36;
             char c;
             if (k < 10) {
                 c = (char) (48 + k);
             } else {
                 c = (char) ((65 + k) - 10);
             }
             sb.append(c);
             i /= 36;
         }
         return sb.toString();
     }

     /**
      * @param name
      * @param days
      * @param id
      * @return
      */
     public static String MakeKey(String name, int days, int id) {
         id %= 100000;
         byte bkey[] = new byte[12];
         bkey[0] = (byte) 1; // Product type: IntelliJ IDEA is 1
         bkey[1] = version;
         Date d = new Date();
         long ld = (d.getTime() >> 16);
         bkey[2] = (byte) (ld & 255);
         bkey[3] = (byte) ((ld >> 8) & 255);
         bkey[4] = (byte) ((ld >> 16) & 255);
         bkey[5] = (byte) ((ld >> 24) & 255);
         days &= 0xffff;
         bkey[6] = (byte) (days & 255);
         bkey[7] = (byte) ((days >> 8) & 255);
         bkey[8] = 105;
         bkey[9] = -59;
         bkey[10] = 0;
         bkey[11] = 0;
         int w = getCRC(name, id % 100000, bkey);
         bkey[10] = (byte) (w & 255);
         bkey[11] = (byte) ((w >> 8) & 255);
         BigInteger pow = new BigInteger("89126272330128007543578052027888001981", 10);
         BigInteger mod = new BigInteger("86f71688cdd2612ca117d1f54bdae029", 16);
         BigInteger k0 = new BigInteger(bkey);
         BigInteger k1 = k0.modPow(pow, mod);
         String s0 = Integer.toString(id);
         String sz = "0";
         while (s0.length() != 5) {
             s0 = sz.concat(s0);
         }
         s0 = s0.concat("-");
         String s1 = encodeGroups(k1);
         s0 = s0.concat(s1);
         return s0;
     }
 }

            Random r = new Random();
            String key = MakeKey(userName, 0, r.nextInt(Integer.MAX_VALUE));

下载地址：Keygen-14.zip