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2023-09-16 21:40:49 +00:00
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parent fb0c2dbc84
commit 1f15d6219b
4 changed files with 12 additions and 14 deletions
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src/main/java/emu/grasscutter/utils/Crypto.java
+8 -9
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@@ -3,7 +3,6 @@ package emu.grasscutter.utils;
import emu.grasscutter.Grasscutter;
import emu.grasscutter.server.http.objects.QueryCurRegionRspJson;
import emu.grasscutter.utils.algorithms.MersenneTwister64;
import java.io.ByteArrayOutputStream;
import java.nio.file.Path;
import java.security.*;
@@ -36,9 +35,9 @@ public final class Crypto {
try {
CUR_SIGNING_KEY =
KeyFactory.getInstance("RSA")
.generatePrivate(
new PKCS8EncodedKeySpec(FileUtils.readResource("/keys/SigningKey.der")));
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")) {
@@ -48,8 +47,8 @@ public final class Crypto {
if (m.matches()) {
var key =
KeyFactory.getInstance("RSA")
.generatePublic(new X509EncodedKeySpec(FileUtils.read(path)));
KeyFactory.getInstance("RSA")
.generatePublic(new X509EncodedKeySpec(FileUtils.read(path)));
EncryptionKeys.put(Integer.valueOf(m.group(1)), key);
}
@@ -97,7 +96,7 @@ public final class Crypto {
}
public static QueryCurRegionRspJson encryptAndSignRegionData(byte[] regionInfo, String key_id)
throws Exception {
throws Exception {
if (key_id == null) {
throw new Exception("Key ID was not set");
}
@@ -115,8 +114,8 @@ public final class Crypto {
for (int i = 0; i < numChunks; i++) {
byte[] chunk =
Arrays.copyOfRange(
regionInfo, i * chunkSize, Math.min((i + 1) * chunkSize, regionInfoLength));
Arrays.copyOfRange(
regionInfo, i * chunkSize, Math.min((i + 1) * chunkSize, regionInfoLength));
byte[] encryptedChunk = cipher.doFinal(chunk);
encryptedRegionInfoStream.write(encryptedChunk);
}