Intellij IDEA 14 注册码

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代码

~~~java
import java.math.BigInteger;
import java.util.Date;
import java.util.Random;
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;}public static void main(String[] args) {    Random r = new Random();    String name = "jay";    System.out.println("name:\t" + name + " \nKEY:\t" + MakeKey(name, 0, r.nextInt(Integer.MAX_VALUE)));}

}
~~~

结果

name:   jay KEY:    22970-BSA2N-IRX5D-DQ1LU-NS9GN-PDB31

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