JetBrains KegGen

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package com.rover12421.crack.jerbrains;

import java.math.BigInteger;

public class RSAEncoder
{
private final BigInteger privKey;
private final BigInteger pubKey;
private final int c;
private final int d;
private int e = 0;
private final BigInteger f;
private final boolean g;

public RSAEncoder(BigInteger privKey, BigInteger pubKey, int len, boolean newLine) {
this.privKey = privKey;
this.pubKey = pubKey;
this.g = newLine;
int privKeyLen = privKey.bitLength();
this.f = new BigInteger(String.valueOf(len));
int i = (int) Math.ceil(privKeyLen / Math.log(len) * Math.log(2.0D));
if (i % 5 != 0) {
i = (i / 5 + 1) * 5;
}
this.d = i;
this.c = (privKeyLen / 8 - 1);
}

public String encode(byte[] bytes) {
int i = bytes.length % this.c;
byte[] arrayOfByte = new byte[i == 0 ? bytes.length : bytes.length + this.c - i];
System.arraycopy(bytes, 0, arrayOfByte, this.c - i, bytes.length);

StringBuffer stringBuffer = new StringBuffer();
for (int j = 0; j < arrayOfByte.length; j += this.c) {
encode(arrayOfByte, stringBuffer, j, this.c);
}
return stringBuffer.toString();
}

private void encode(byte[] bytes, StringBuffer stringBuffer, int off, int len) {
if (len == 0) {
return;
}
byte[] arrayOfByte = new byte[this.c];
System.arraycopy(bytes, off, arrayOfByte, 0, len);
BigInteger localBigInteger1 = new BigInteger(1, arrayOfByte);
if (localBigInteger1.compareTo(this.pubKey) >= 0) {
throw new IllegalArgumentException("result is too long");
}
BigInteger localBigInteger2 = localBigInteger1.modPow(this.privKey, this.pubKey);
stringBuffer.append(a(a(localBigInteger2)));
}

private String a(String paramString) {
StringBuffer localStringBuffer = new StringBuffer();
for (int i = 0; i < paramString.length(); i++) {
a(localStringBuffer);
localStringBuffer.append(paramString.charAt(i));
}
return localStringBuffer.toString();
}

private String a(BigInteger paramBigInteger) {
StringBuffer localStringBuffer = new StringBuffer();
for (int i = 0; i < this.d; i++) {
localStringBuffer.insert(0, b(paramBigInteger.mod(this.f)));
paramBigInteger = paramBigInteger.divide(this.f);
}
return localStringBuffer.toString();
}

private void a(StringBuffer paramStringBuffer) {
if ((this.e > 0) && (this.e % 5 == 0)) {
if (this.e % 30 == 0)
paramStringBuffer.append('\n');
else if (this.g) {
paramStringBuffer.append('-');
}
}
this.e += 1;
}

private static char b(BigInteger paramBigInteger) {
int i = paramBigInteger.intValue();
char c1;
if (i < 10) {
c1 = (char)(48 + i);
}
else
{
if (i < 36) {
c1 = (char)(65 + i - 10);
}
else
{
if (i < 62)
c1 = (char)(97 + i - 36);
else {
c1 = (char)(33 + i - 62);
}
}
}
return c1;
}
}

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package com.rover12421.crack.jerbrains;

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

/**
* Created by rover12421 on 11/18/14.
*/
public class GenericKeyMaker {

public static final int LICENSETYPE_COMMERCIAL = 0;
public static final int LICENSETYPE_NON_COMMERCIAL = 1;
public static final int LICENSETYPE_SITE = 2;
public static final int LICENSETYPE_OPENSOURCE = 3;
public static final int LICENSETYPE_PERSONAL = 4;
public static final int LICENSETYPE_YEARACADEMIC = 5;

public static final int PRODUCTID_RubyMine = 4;
public static final int PRODUCTID_PyCharm = 5;
public static final int PRODUCTID_WebStorm = 6;
public static final int PRODUCTID_PhpStorm = 7;
public static final int PRODUCTID_AppCode = 8;

private Random random = new Random();

private String getLicenseId() {
return String.format("D%sT", Integer.toString(random.nextInt(90000) + 10000));
}

private 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();
}

private byte[] generateKeyBytes(int licenseType, int productId,
int minorVersion, int majorVersion,
String userName, int customerId) {
byte[] keyBytes = new byte[14];
keyBytes[0] = (byte)((licenseType << 4) + (productId & 0xFF));
keyBytes[1] = (byte)((minorVersion << 4) + (majorVersion & 0xFF));
long time = System.currentTimeMillis() >> 16;
keyBytes[2] = (byte)(int)(time & 0xFF);
keyBytes[3] = (byte)(int)(time >> 8 & 0xFF);
keyBytes[4] = (byte)(int)(time >> 16 & 0xFF);
keyBytes[5] = (byte)(int)(time >> 24 & 0xFF);
long timeDiff = 99*365;

timeDiff &= 65535L;
keyBytes[6] = (byte)(int)(timeDiff & 0xFF);
keyBytes[7] = (byte)(int)(timeDiff >> 8 & 0xFF);
keyBytes[8] = 0;
keyBytes[9] = 1;
keyBytes[10] = 2;
keyBytes[11] = 3;
keyBytes[12] = 4;
keyBytes[13] = 5;

int crc32 = getCRC(userName, customerId, keyBytes);
keyBytes[12] = (byte)(crc32 & 0xFF);
keyBytes[13] = (byte)(crc32 >> 8 & 0xFF);

return keyBytes;
}

public String generateKey(BigInteger privKey, BigInteger pubKey,
int licenseType, int productId,
int minorVersion, int majorVersion,
String userName) {

int customerId = random.nextInt(9000) + 1000;
byte[] keyBytes = generateKeyBytes(licenseType, productId, minorVersion, majorVersion, userName, customerId);

RSAEncoder encoder = new RSAEncoder(privKey, pubKey, 64, false);
String serial = encoder.encode(keyBytes);

serial = "===== LICENSE BEGIN =====\n" + customerId + "-" + getLicenseId() + "\n" + serial + "\n===== LICENSE END =====";
return serial;
}

public String genericPyCharmKey(int minorVersion, int majorVersion, String userName) {
BigInteger pubKey = new BigInteger("D57B0596A03949D9A3BB0CD1F7931E405AE27D0E0AF4E562072B487B0DAB7F0874AA982E5383E75FF13D36CA9D8531AC1FA2ED7B11C8858E821C2D5FB48002DD", 16);
BigInteger privKey = new BigInteger("406047D02363033D295DB7C0FD8A94DDCD4A6D71B5A622220C8D65DF0DC1409E0BDE26AF66B0AD717406C22FC8BEC3ED88C1B7091BA3443B6BFBA26120DE6A15", 16);

return generateKey(privKey, pubKey, LICENSETYPE_NON_COMMERCIAL, PRODUCTID_PyCharm, minorVersion, majorVersion, userName);
}

public String genericAppCodeKey(int minorVersion, int majorVersion, String userName) {
BigInteger pubKey = new BigInteger("F0DD6995C4BD3223641C79C8608D74F32ED54A8BDAE468EB5AC53F1F1C8925E263F82317356BC73B1C82B520630250212416C99CB39A8B7C2611E35552E166B9", 16);
BigInteger privKey = new BigInteger("81B5EAEF61A4B584839C26253781D63243CD4F38E3A74FAD3713B3FB7025978538F10E743456F24BB20D5792BFDCB76DB6162C3D5C77DB7B29906CBFC9114EA5", 16);

return generateKey(privKey, pubKey, LICENSETYPE_NON_COMMERCIAL, PRODUCTID_AppCode, minorVersion, majorVersion, userName);
}

public String genericPhpStormKey(int minorVersion, int majorVersion, String userName) {
BigInteger pubKey = new BigInteger("BB62FBB57F105CD61B47AE2290FCB3CE1179942DE171BEDDF6BAA1A521B9368B735C7C931902EBA8DE6D160711A6ECC40F4A5E766E9FCDEE8A38715DB572AD3D", 16);
BigInteger privKey = new BigInteger("7BFADCB153F59E86E69BC1820B4DB72573786E6B00CB824E57AD59BFE915231972746F47C6FBE0D8D88809DA313C1E4BEAD305AD8AFD31AE116ABCB181FF4F21", 16);

return generateKey(privKey, pubKey, LICENSETYPE_NON_COMMERCIAL, PRODUCTID_PhpStorm, minorVersion, majorVersion, userName);
}

public String genericRubyMineKey(int minorVersion, int majorVersion, String userName) {
BigInteger pubKey = new BigInteger("BB62FBB57F105CD61B47AE2290FCB3CE1179942DE171BEDDF6BAA1A521B9368B735C7C931902EBA8DE6D160711A6ECC40F4A5E766E9FCDEE8A38715DB572AD3D", 16);
BigInteger privKey = new BigInteger("7BFADCB153F59E86E69BC1820B4DB72573786E6B00CB824E57AD59BFE915231972746F47C6FBE0D8D88809DA313C1E4BEAD305AD8AFD31AE116ABCB181FF4F21", 16);

return generateKey(privKey, pubKey, LICENSETYPE_NON_COMMERCIAL, PRODUCTID_RubyMine, minorVersion, majorVersion, userName);
}

public String genericWebStormKey(int minorVersion, int majorVersion, String userName) {
BigInteger pubKey = new BigInteger("BB62FBB57F105CD61B47AE2290FCB3CE1179942DE171BEDDF6BAA1A521B9368B735C7C931902EBA8DE6D160711A6ECC40F4A5E766E9FCDEE8A38715DB572AD3D", 16);
BigInteger privKey = new BigInteger("7BFADCB153F59E86E69BC1820B4DB72573786E6B00CB824E57AD59BFE915231972746F47C6FBE0D8D88809DA313C1E4BEAD305AD8AFD31AE116ABCB181FF4F21", 16);

return generateKey(privKey, pubKey, LICENSETYPE_NON_COMMERCIAL, PRODUCTID_WebStorm, minorVersion, majorVersion, userName);
}

public static void main(String[] args) {
GenericKeyMaker keyMaker = new GenericKeyMaker();
//        System.out.println(keyMaker.genericPyCharmKey(1, 13, "Rover12421"));
//        System.out.println(keyMaker.genericPhpStormKey(1, 13, "Rover12421"));
//        System.out.println(keyMaker.genericRubyMineKey(1, 13, "Rover12421"));
System.out.println(keyMaker.genericWebStormKey(1, 13, "Rover12421"));
}
}