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remove unused EncryptUtil methods, rename

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This commit is contained in:
Sen 2025-05-18 17:46:15 +02:00
parent 8d4b4b3619
commit 5b2a51a8b5
2 changed files with 4 additions and 30 deletions
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4
common/src/common/network/NetConnection.java
View file

@ -364,8 +364,8 @@ public class NetConnection extends SimpleChannelInboundHandler<Packet>
}
public void startEncryption(SecretKey key) {
this.channel.pipeline().addBefore("splitter", "decrypt", new NettyEncryptionDecoder(EncryptUtil.createNetCipherInstance(Cipher.DECRYPT_MODE, key)));
this.channel.pipeline().addBefore("prepender", "encrypt", new NettyEncryptionEncoder(EncryptUtil.createNetCipherInstance(Cipher.ENCRYPT_MODE, key)));
this.channel.pipeline().addBefore("splitter", "decrypt", new NettyEncryptionDecoder(EncryptUtil.createCipher(Cipher.DECRYPT_MODE, key)));
this.channel.pipeline().addBefore("prepender", "encrypt", new NettyEncryptionEncoder(EncryptUtil.createCipher(Cipher.ENCRYPT_MODE, key)));
}
static class InboundHandlerTuplePacketListener

30
common/src/common/util/EncryptUtil.java
View file

@ -49,33 +49,7 @@ public class EncryptUtil {
return null;
}
}
public static byte[] getServerIdHash(String id, PublicKey pubkey, SecretKey secret) {
try {
return digestOperation("SHA-1", new byte[][] {id.getBytes("ISO_8859_1"), secret.getEncoded(), pubkey.getEncoded()});
}
catch(UnsupportedEncodingException e) {
Log.SYSTEM.error(e, "Konnte Server-Prüfwert nicht berechnen");
return null;
}
}
private static byte[] digestOperation(String algorithm, byte[]... data) {
try {
MessageDigest digest = MessageDigest.getInstance(algorithm);
for(byte[] abyte : data) {
digest.update(abyte);
}
return digest.digest();
}
catch(NoSuchAlgorithmException e) {
Log.SYSTEM.error(e, "Konnte Prüfwert nicht berechnen");
return null;
}
}
public static PublicKey decodePublicKey(byte[] encoded) {
try {
EncodedKeySpec spec = new X509EncodedKeySpec(encoded);
@ -122,7 +96,7 @@ public class EncryptUtil {
}
}
public static Cipher createNetCipherInstance(int mode, Key key) {
public static Cipher createCipher(int mode, Key key) {
try {
Cipher cipher = Cipher.getInstance("AES/CFB8/NoPadding");
cipher.init(mode, (Key)key, (AlgorithmParameterSpec)(new IvParameterSpec(key.getEncoded())));