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Fully specify configrules key and provide CRC

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#android
[REVIEW] [at]Allan.Bentham
#rb Allan.Bentham

#ROBOMERGE-AUTHOR: chris.babcock
#ROBOMERGE-SOURCE: CL 18329983 via CL 18330402 via CL 18330983 via CL 18331222 via CL 18331495 via CL 18331655 via CL 18332062 via CL 18332121
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469)

[CL 18332146 by chris babcock in ue5-release-engine-test branch]
This commit is contained in:
chris babcock
2021-11-30 16:18:57 -05:00
parent cf0a8f77a2
commit ffdf3d4796
4 changed files with 36 additions and 9 deletions
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11
Engine/Build/Android/Java/src/com/epicgames/unreal/GameActivity.java.template
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@@ -45,6 +45,8 @@ import java.util.Stack;
import java.util.Timer;
import java.util.TimerTask;
import java.lang.Runnable;
import java.util.zip.CRC32;
import java.util.zip.Checksum;
import java.io.BufferedReader;
import java.io.BufferedWriter;
@@ -908,7 +910,7 @@ public class GameActivity extends $${gameActivitySuperClass}$$ implements Surfac
Field keyField = this.getClass().getDeclaredField("CONFIGRULES_KEY");
String key = (String)keyField.get(this);
Cipher cipher = Cipher.getInstance("AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, generateAESKey(key));
byte[] decrypted = cipher.doFinal(bytesToDecompress, headerSize, sizeCompressed);
sizeCompressed = decrypted.length;
@@ -970,6 +972,13 @@ public class GameActivity extends $${gameActivitySuperClass}$$ implements Surfac
byte[] configBytesInternal = getByteArrayFromFile(InternalFilesDir + "configrules.bin.png");
byte[] configBytesExternal = getByteArrayFromFile(android.os.Environment.getExternalStorageDirectory().getAbsolutePath() + "/UnrealGame/" + ProjectName + "/configrules.bin.png");
if (configBytesInternal != null)
{
CRC32 crc = new CRC32();
crc.update(configBytesInternal);
Log.debug(String.format("CRC32: %08X", crc.getValue()));
}
int assetsVersion = getConfigRulesVersion(configBytesAssets);
int internalVersion = getConfigRulesVersion(configBytesInternal);
int externalVersion = getConfigRulesVersion(configBytesExternal);