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Add a dictionary for Encryption public keys (#1862)

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This commit is contained in:
lilmayofuksu
2022-10-15 17:06:37 +03:00
committed by GitHub
parent f3a5bc16a8
commit a4747abfc9
7 changed files with 17 additions and 10 deletions
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6
src/main/java/emu/grasscutter/server/http/dispatch/RegionHandler.java
View File

@@ -154,8 +154,12 @@ public final class RegionHandler implements Router {
}
String key_id = ctx.queryParam("key_id");
if(key_id == null)
throw new Exception("Key ID was not set");
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.ENCRYPT_MODE, key_id.equals("3") ? Crypto.CUR_OS_ENCRYPT_KEY : Crypto.CUR_CN_ENCRYPT_KEY);
cipher.init(Cipher.ENCRYPT_MODE, Crypto.EncryptionKeys.get(Integer.valueOf(key_id)));
var regionInfo = Utils.base64Decode(event.getRegionInfo());
//Encrypt regionInfo in chunks

3
src/main/java/emu/grasscutter/server/packet/recv/HandlerGetPlayerTokenReq.java
View File

@@ -114,8 +114,7 @@ public class HandlerGetPlayerTokenReq extends PacketHandler {
.putLong(Crypto.ENCRYPT_SEED ^ client_seed)
.array();
//Kind of a hack, but whatever
cipher.init(Cipher.ENCRYPT_MODE, req.getKeyId() == 3 ? Crypto.CUR_OS_ENCRYPT_KEY : Crypto.CUR_CN_ENCRYPT_KEY);
cipher.init(Cipher.ENCRYPT_MODE, Crypto.EncryptionKeys.get(req.getKeyId()));
var seed_encrypted = cipher.doFinal(seed_bytes);
Signature privateSignature = Signature.getInstance("SHA256withRSA");