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CharlesKeygen.java
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CharlesKeygen.java
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/* Charles Proxy Keygen */
/* Cracked on 27042020 by @0xduraki via RC5 dec. */
/** usage: */
//$ javac CharlesKeygen.java && java CharlesKeygen "0XDURAKI"
// @see: https://github.com/duraki/charles-keygen
// @see: https://twitter.com/0xduraki
class CharlesKeygen {
public static void main(String[] args) {
if (args.length == 1) {
String name = args[0];
System.out.print("* GENERATED LICENSE:\n [" + name + ":" + calcLicenseKey(name) + "]\n");
return;
}
System.out.print("Charles Proxy - License Key Generator [ALL VERSIONS]\n");
System.out.print("Proudly presented by >> Team 0xCHAOS\n");
System.out.print("**"+"Usage:\n");
System.out.print("$ CharlesKeygen \"TEAM0XCHAOS\"\n\n");
if (args.length != 1) {
System.out.print("Error: Missing License Name ...\n");
return;
}
}
public static String calcLicenseKey(String licenseName) {
int licenseKeyChecksum = 1418211210;
int licenseNameChecksum = licenseNameChecksum(licenseName);
licenseKeyChecksum ^= licenseNameChecksum;
long bLicenseKey = licenseKeyChecksum;
bLicenseKey <<= 32L;
bLicenseKey >>>= 32L;
bLicenseKey <<= 32L;
bLicenseKey |= 0x1CAD6BCL;
int keyEncMin = (int)(bLicenseKey & 0xFFFFFFFFFFFFFFFFL);
int keyEncMax = (int)(bLicenseKey >>> 32L & 0xFFFFFFFFFFFFFFFFL);
int[] keyEnc = new int[2];
keyEnc[0] = keyEncMin;
keyEnc[1] = keyEncMax;
int[] keyDec = new int[2];
RC5 decrypter = new RC5();
decrypter.RC5_SETUP(-334581843, -1259282228);
decrypter.RC5_DECRYPT(keyEnc, keyDec);
long keyDecrypted = (keyDec[1] & 0xFFFFFFFFL) << 32L;
keyDecrypted |= keyDec[0] & 0xFFFFFFFFL;
int xorChecksum = xorChecksum(bLicenseKey);
String finalKey = Integer.toHexString(xorChecksum) + Long.toHexString(keyDecrypted);
finalKey = String.format("%02X", new Object[] { Integer.valueOf(xorChecksum) }) + String.format("%016X", new Object[] { Long.valueOf(keyDecrypted) });
return finalKey;
}
public static int licenseNameChecksum(String licenseName) {
byte[] bArrayName = null;
try {
bArrayName = licenseName.getBytes("UTF-8");
} catch (Exception e) {
System.out.println(e.toString());
}
int nameLen = bArrayName.length;
int n = nameLen + 4;
if (n % 8 != 0)
n += 8 - n % 8;
byte[] arrbChecksum = new byte[n];
System.arraycopy(bArrayName, 0, arrbChecksum, 4, nameLen);
bArrayName[0] = (byte)(nameLen >> 24);
bArrayName[1] = (byte)(nameLen >> 16);
bArrayName[2] = (byte)(nameLen >> 8);
bArrayName[3] = (byte)nameLen;
RC5 r = new RC5();
r.RC5_SETUP(1763497072, 2049034577);
byte[] outputArray = r.RC5_EncryptArray(bArrayName);
int n3 = 0;
for (byte by : outputArray) {
n3 ^= by;
n3 = n3 << 3 | n3 >>> 29;
}
return n3;
}
private static final int xorChecksum(long l) {
long l2 = 0L;
for (int i = 56; i >= 0; i -= 8)
l2 ^= l >>> i & 0xFFL;
return Math.abs((int)(l2 & 0xFFL));
}
public static byte[] hexToByteArray(String hexstring) {
int len = hexstring.length();
byte[] data = new byte[len / 2];
for (int i = 0; i < len; i += 2)
data[i / 2] = (byte)((Character.digit(hexstring.charAt(i), 16) << 4) + Character.digit(hexstring.charAt(i + 1), 16));
return data;
}
}
class RC5 {
public static final int w = 32;
public static final int r = 12;
public static final int b = 8;
public static final int c = 2;
public static final int t = 26;
public int[] S = new int[26];
public int P = -1209970333;
public int Q = -1640531527;
public byte[] RC5_DecryptArray(byte[] arrby) {
byte[] arrby2 = new byte[arrby.length];
int n = arrby.length;
int n2 = 0;
long l = 0L;
int l1 = 0, l2 = 0;
for (int i = 0; i < n; i++) {
if (l < 4L) {
l1 <<= 8;
l1 |= arrby[i] & 0xFF;
} else {
l2 <<= 8;
l2 |= arrby[i] & 0xFF;
}
l++;
if (++n2 == 8) {
int[] ct = { l2, l1 };
int[] pt = { 0, 0 };
RC5_DECRYPT(ct, pt);
arrby2[i - 7] = (byte)(pt[1] >>> 24);
arrby2[i - 6] = (byte)(pt[1] >>> 16);
arrby2[i - 5] = (byte)(pt[1] >>> 8);
arrby2[i - 4] = (byte)pt[1];
arrby2[i - 3] = (byte)(pt[0] >>> 24);
arrby2[i - 2] = (byte)(pt[0] >>> 16);
arrby2[i - 1] = (byte)(pt[0] >>> 8);
arrby2[i] = (byte)pt[0];
n2 = 0;
l = 0L;
l1 = 0;
l2 = 0;
}
}
return arrby2;
}
public byte[] RC5_EncryptArray(byte[] arrby) {
byte[] arrby2 = new byte[arrby.length];
int n = arrby.length;
int n2 = 0;
long l = 0L;
int l1 = 0, l2 = 0;
for (int i = 0; i < n; i++) {
if (l < 4L) {
l1 <<= 8;
l1 |= arrby[i] & 0xFF;
} else {
l2 <<= 8;
l2 |= arrby[i] & 0xFF;
}
l++;
if (++n2 == 8) {
int[] pt = { l2, l1 };
int[] ct = { 0, 0 };
RC5_ENCRYPT(pt, ct);
arrby2[i - 7] = (byte)(ct[1] >>> 24);
arrby2[i - 6] = (byte)(ct[1] >>> 16);
arrby2[i - 5] = (byte)(ct[1] >>> 8);
arrby2[i - 4] = (byte)ct[1];
arrby2[i - 3] = (byte)(ct[0] >>> 24);
arrby2[i - 2] = (byte)(ct[0] >>> 16);
arrby2[i - 1] = (byte)(ct[0] >>> 8);
arrby2[i] = (byte)ct[0];
n2 = 0;
l = 0L;
l1 = 0;
l2 = 0;
}
}
return arrby2;
}
void RC5_ENCRYPT(int[] pt, int[] ct) {
int A = pt[0] + this.S[0];
int B = pt[1] + this.S[1];
for (int i = 1; i <= 12; i++) {
A = ((A ^ B) << (B & 0x1F) | (A ^ B) >>> 32 - (B & 0x1F)) + this.S[2 * i];
B = ((B ^ A) << (A & 0x1F) | (B ^ A) >>> 32 - (A & 0x1F)) + this.S[2 * i + 1];
}
ct[0] = A;
ct[1] = B;
}
void RC5_DECRYPT(int[] ct, int[] pt) {
int B = ct[1];
int A = ct[0];
for (int i = 12; i > 0; i--) {
B = (B - this.S[2 * i + 1] >>> (A & 0x1F) | B - this.S[2 * i + 1] << 32 - (A & 0x1F)) ^ A;
A = (A - this.S[2 * i] >>> (B & 0x1F) | A - this.S[2 * i] << 32 - (B & 0x1F)) ^ B;
}
pt[1] = B - this.S[1];
pt[0] = A - this.S[0];
}
void RC5_SETUP(int l, int h) {
int u = 4;
int[] L = new int[2];
L[0] = l;
L[1] = h;
int i;
for (this.S[0] = this.P, i = 1; i < 26; i++)
this.S[i] = this.S[i - 1] + this.Q;
int j;
for (int k = 0, B = i = j = k = 0, A = B; k < 78; k++, i = (i + 1) % 26, j = (j + 1) % 2) {
A = this.S[i] = this.S[i] + A + B << 3 | this.S[i] + A + B >>> 29;
B = L[j] = L[j] + A + B << (A + B & 0x1F) | L[j] + A + B >>> 32 - (A + B & 0x1F);
}
System.out.println();
}
public static String hex(int n) {
return String.format("0x%s", new Object[] { Integer.toHexString(n) }).replace(' ', '0');
}
}