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Code Issues Projects Releases Wiki Activity

Re add BouncyCastle since it seems to cause all sorts of issues.

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Look! No BouncyCastle. Thanks to @macer1 for helping out with this. (reverse-merged from commit 596db51a8e)
This commit is contained in:
md_5 2012-11-19 19:08:56 +11:00
parent 596db51a8e
commit 7b682df899
4 changed files with 29 additions and 16 deletions
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5
pom.xml
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@ -76,6 +76,11 @@
<artifactId>mendax</artifactId>
<version>1.4.4-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-ext-jdk15on</artifactId>
<version>1.47</version>
</dependency>
<dependency>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>

22
src/main/java/net/md_5/bungee/EncryptionUtil.java
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@ -6,7 +6,6 @@ import java.io.InputStreamReader;
import java.math.BigInteger;
import java.net.URL;
import java.net.URLEncoder;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.KeyFactory;
@ -16,6 +15,7 @@ import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.Security;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.X509EncodedKeySpec;
import java.util.Arrays;
@ -25,10 +25,15 @@ import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import net.md_5.bungee.packet.PacketFCEncryptionResponse;
import net.md_5.bungee.packet.PacketFDEncryptionRequest;
import org.bouncycastle.crypto.BufferedBlockCipher;
import org.bouncycastle.crypto.engines.AESFastEngine;
import org.bouncycastle.crypto.modes.CFBBlockCipher;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
/**
* Class containing all encryption related methods for the proxy.
@ -40,6 +45,11 @@ public class EncryptionUtil
private static final Random random = new Random();
private static KeyPair keys;
static
{
Security.addProvider(new BouncyCastleProvider());
}
public static PacketFDEncryptionRequest encryptRequest() throws NoSuchAlgorithmException
{
if (keys == null)
@ -96,16 +106,16 @@ public class EncryptionUtil
return "YES".equals(reply);
}
public static Cipher getCipher(int opMode, Key shared) throws InvalidAlgorithmParameterException, InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException
public static BufferedBlockCipher getCipher(boolean forEncryption, Key shared)
{
Cipher cip = Cipher.getInstance("AES/CFB8/NoPadding");
cip.init(opMode, shared, new IvParameterSpec(shared.getEncoded()));
BufferedBlockCipher cip = new BufferedBlockCipher(new CFBBlockCipher(new AESFastEngine(), 8));
cip.init(forEncryption, new ParametersWithIV(new KeyParameter(shared.getEncoded()), shared.getEncoded(), 0, 16));
return cip;
}
public static SecretKey getSecret()
{
byte[] rand = new byte[16];
byte[] rand = new byte[32];
secure.nextBytes(rand);
return new SecretKeySpec(rand, "AES");
}

9
src/main/java/net/md_5/bungee/InitialHandler.java
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@ -5,9 +5,6 @@ import java.io.OutputStream;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
import javax.crypto.SecretKey;
import net.md_5.bungee.packet.Packet2Handshake;
import net.md_5.bungee.packet.PacketFCEncryptionResponse;
@ -15,6 +12,8 @@ import net.md_5.bungee.packet.PacketFDEncryptionRequest;
import net.md_5.bungee.packet.PacketFFKick;
import net.md_5.bungee.packet.PacketInputStream;
import net.md_5.bungee.plugin.LoginEvent;
import org.bouncycastle.crypto.io.CipherInputStream;
import org.bouncycastle.crypto.io.CipherOutputStream;
public class InitialHandler implements Runnable
{
@ -67,8 +66,8 @@ public class InitialHandler implements Runnable
}
out.write(new PacketFCEncryptionResponse().getPacket());
in = new PacketInputStream(new CipherInputStream(socket.getInputStream(), EncryptionUtil.getCipher(Cipher.DECRYPT_MODE, shared)));
out = new CipherOutputStream(socket.getOutputStream(), EncryptionUtil.getCipher(Cipher.ENCRYPT_MODE, shared));
in = new PacketInputStream(new CipherInputStream(socket.getInputStream(), EncryptionUtil.getCipher(false, shared)));
out = new CipherOutputStream(socket.getOutputStream(), EncryptionUtil.getCipher(true, shared));
List<byte[]> customPackets = new ArrayList<>();
byte[] custom;
while (Util.getId((custom = in.readPacket())) != 0xCD)

9
src/main/java/net/md_5/bungee/ServerConnection.java
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@ -4,9 +4,6 @@ import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.security.PublicKey;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
import javax.crypto.SecretKey;
import net.md_5.bungee.packet.Packet1Login;
import net.md_5.bungee.packet.Packet2Handshake;
@ -16,6 +13,8 @@ import net.md_5.bungee.packet.PacketFCEncryptionResponse;
import net.md_5.bungee.packet.PacketFDEncryptionRequest;
import net.md_5.bungee.packet.PacketFFKick;
import net.md_5.bungee.packet.PacketInputStream;
import org.bouncycastle.crypto.io.CipherInputStream;
import org.bouncycastle.crypto.io.CipherOutputStream;
/**
* Class representing a connection from the proxy to the server; ie upstream.
@ -59,8 +58,8 @@ public class ServerConnection extends GenericConnection
throw new RuntimeException("Server did not send encryption enable");
}
in = new PacketInputStream(new CipherInputStream(socket.getInputStream(), EncryptionUtil.getCipher(Cipher.DECRYPT_MODE, myKey)));
out = new CipherOutputStream(out, EncryptionUtil.getCipher(Cipher.ENCRYPT_MODE, myKey));
in = new PacketInputStream(new CipherInputStream(socket.getInputStream(), EncryptionUtil.getCipher(false, myKey)));
out = new CipherOutputStream(out, EncryptionUtil.getCipher(true, myKey));
for (byte[] custom : user.loginPackets)
{