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KingRainbow44
2023-03-31 22:30:45 -04:00
parent 99822b0e22
commit fc05602128
1003 changed files with 60650 additions and 58050 deletions
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152
src/main/java/emu/grasscutter/utils/Crypto.java
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@@ -1,75 +1,77 @@
package emu.grasscutter.utils;
import emu.grasscutter.Grasscutter;
import java.nio.file.Path;
import java.security.KeyFactory;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Pattern;
public final class Crypto {
private static final SecureRandom secureRandom = new SecureRandom();
public static byte[] DISPATCH_KEY;
public static byte[] DISPATCH_SEED;
public static byte[] ENCRYPT_KEY;
public static long ENCRYPT_SEED = Long.parseUnsignedLong("11468049314633205968");
public static byte[] ENCRYPT_SEED_BUFFER = new byte[0];
public static PrivateKey CUR_SIGNING_KEY;
public static Map<Integer, PublicKey> EncryptionKeys = new HashMap<>();
public static void loadKeys() {
DISPATCH_KEY = FileUtils.readResource("/keys/dispatchKey.bin");
DISPATCH_SEED = FileUtils.readResource("/keys/dispatchSeed.bin");
ENCRYPT_KEY = FileUtils.readResource("/keys/secretKey.bin");
ENCRYPT_SEED_BUFFER = FileUtils.readResource("/keys/secretKeyBuffer.bin");
try {
CUR_SIGNING_KEY = KeyFactory.getInstance("RSA")
.generatePrivate(new PKCS8EncodedKeySpec(FileUtils.readResource("/keys/SigningKey.der")));
Pattern pattern = Pattern.compile("([0-9]*)_Pub\\.der");
for (Path path : FileUtils.getPathsFromResource("/keys/game_keys")) {
if (path.toString().endsWith("_Pub.der")) {
var m = pattern.matcher(path.getFileName().toString());
if (m.matches()) {
var key = KeyFactory.getInstance("RSA")
.generatePublic(new X509EncodedKeySpec(FileUtils.read(path)));
EncryptionKeys.put(Integer.valueOf(m.group(1)), key);
}
}
}
} catch (Exception e) {
Grasscutter.getLogger().error("An error occurred while loading keys.", e);
}
}
public static void xor(byte[] packet, byte[] key) {
try {
for (int i = 0; i < packet.length; i++) {
packet[i] ^= key[i % key.length];
}
} catch (Exception e) {
Grasscutter.getLogger().error("Crypto error.", e);
}
}
public static byte[] createSessionKey(int length) {
byte[] bytes = new byte[length];
secureRandom.nextBytes(bytes);
return bytes;
}
}
package emu.grasscutter.utils;
import emu.grasscutter.Grasscutter;
import java.nio.file.Path;
import java.security.KeyFactory;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Pattern;
public final class Crypto {
private static final SecureRandom secureRandom = new SecureRandom();
public static byte[] DISPATCH_KEY;
public static byte[] DISPATCH_SEED;
public static byte[] ENCRYPT_KEY;
public static long ENCRYPT_SEED = Long.parseUnsignedLong("11468049314633205968");
public static byte[] ENCRYPT_SEED_BUFFER = new byte[0];
public static PrivateKey CUR_SIGNING_KEY;
public static Map<Integer, PublicKey> EncryptionKeys = new HashMap<>();
public static void loadKeys() {
DISPATCH_KEY = FileUtils.readResource("/keys/dispatchKey.bin");
DISPATCH_SEED = FileUtils.readResource("/keys/dispatchSeed.bin");
ENCRYPT_KEY = FileUtils.readResource("/keys/secretKey.bin");
ENCRYPT_SEED_BUFFER = FileUtils.readResource("/keys/secretKeyBuffer.bin");
try {
CUR_SIGNING_KEY =
KeyFactory.getInstance("RSA")
.generatePrivate(
new PKCS8EncodedKeySpec(FileUtils.readResource("/keys/SigningKey.der")));
Pattern pattern = Pattern.compile("([0-9]*)_Pub\\.der");
for (Path path : FileUtils.getPathsFromResource("/keys/game_keys")) {
if (path.toString().endsWith("_Pub.der")) {
var m = pattern.matcher(path.getFileName().toString());
if (m.matches()) {
var key =
KeyFactory.getInstance("RSA")
.generatePublic(new X509EncodedKeySpec(FileUtils.read(path)));
EncryptionKeys.put(Integer.valueOf(m.group(1)), key);
}
}
}
} catch (Exception e) {
Grasscutter.getLogger().error("An error occurred while loading keys.", e);
}
}
public static void xor(byte[] packet, byte[] key) {
try {
for (int i = 0; i < packet.length; i++) {
packet[i] ^= key[i % key.length];
}
} catch (Exception e) {
Grasscutter.getLogger().error("Crypto error.", e);
}
}
public static byte[] createSessionKey(int length) {
byte[] bytes = new byte[length];
secureRandom.nextBytes(bytes);
return bytes;
}
}