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intellij idea 13注册key生成代码
package org.geksong.idea13keygen; /****************************** * Create Time: 2013-12-24 下午5:39:54<br> * Author: zs.zeng<br> * File name: ProductType.java <br> * Version: 1.0<br> * Function: <br> * Modify Time: 2013-12-24 下午5:39:54<br> * Change Log:<br> ******************************************/ public enum ProductType { IDEA(1); private int id; private ProductType(int id) { this.id = id; } public int id() { return this.id; } public static ProductType getProductType(String str) { for (ProductType product : values()) if (product.toString().equalsIgnoreCase(str)) return product; return null; } }
package org.geksong.idea13keygen; import java.math.BigInteger; import java.util.Date; import java.util.Random; import java.util.zip.CRC32; /****************************** * Create Time: 2013-12-24 下午5:36:56<br> * Author: zs.zeng<br> * File name: Idea13KeyGen.java <br> * Version: 1.0<br> * Function: intellij 13注册码生成器<br> * Modify Time: 2013-12-24 下午5:36:56<br> * Change Log:<br> ******************************************/ public class Idea13KeyGen { 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(); } public static String encodeGroups(BigInteger biginteger) { BigInteger beginner1 = BigInteger.valueOf(60466176L); 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(); } 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(); } public static String MakeKey(String name, int days, int id, ProductType prtype) { id %= 10000; byte[] bkey = new byte[12]; bkey[0] = ((byte)prtype.id()); bkey[1] = 13; Date d = new Date(); long ld = d.getTime() >> 16; bkey[2] = ((byte)(int)(ld & 0xFF)); bkey[3] = ((byte)(int)(ld >> 8 & 0xFF)); bkey[4] = ((byte)(int)(ld >> 16 & 0xFF)); bkey[5] = ((byte)(int)(ld >> 24 & 0xFF)); days &= 65535; bkey[6] = ((byte)(days & 0xFF)); bkey[7] = ((byte)(days >> 8 & 0xFF)); bkey[8] = 105; bkey[9] = -59; bkey[10] = 0; bkey[11] = 0; int w = getCRC(name, id % 10000, bkey); bkey[10] = ((byte)(w & 0xFF)); bkey[11] = ((byte)(w >> 8 & 0xFF)); 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 random = new Random(); String key = MakeKey("geksong", 0, random.nextInt(1000), ProductType.getProductType("IDEA")); System.out.println(key); } }
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