I got the source code of cs by decompiling so, dat
Code: Select all
namespace AssetBundles.Manager
{
public class LoadedAssetBundle
{
public AssetBundle m_AssetBundle;
public int m_ReferencedCount;
public AssetBundle m_DecryptedAssetBundle;
public LoadedAssetBundle(AssetBundle assetBundle)
{
//IL_0008: Expected I8, but got I4
//IL_000f: Expected I4, but got I8
long num = 1L;
m_ReferencedCount = (int)num;
m_AssetBundle = assetBundle;
bool flag = Decrypt();
}
private bool Decrypt()
{
//Discarded unreachable code: IL_0053, IL_0057, IL_005d, IL_0074, IL_007b, IL_007e, IL_0082, IL_0086, IL_0089, IL_00b9, IL_00bf, IL_00e0
//IL_0002: Expected I8, but got I4
//IL_0007: Expected I8, but got I4
//IL_0018: Expected O, but got I4
//IL_0069: Expected I8, but got I4
//IL_006c: Expected I8, but got I4
//IL_007e: Expected I8, but got I4
//IL_0089: Expected I8, but got I4
//IL_0099: Expected O, but got I4
//IL_00ab: Expected O, but got I4
//IL_00c2: Expected I8, but got I4
//IL_00cb: Expected I4, but got I8
//IL_00db: Expected O, but got I4
long num = 1L;
if (num == 0L)
{
}
long num2 = 0L;
AssetBundle assetBundle = m_AssetBundle;
if (num == 0L)
{
}
bool flag = (UnityEngine.Object)0 != assetBundle;
AssetBundle assetBundle2 = m_AssetBundle;
if ((object)assetBundle2 == null)
{
throw new NullReferenceException();
}
TextAsset[] array = assetBundle2.LoadAllAssets<TextAsset>();
if (array != null)
{
int ivcode = 25242;
RijndaelManaged rijndael = AesCryptor.getRijndael(0, ivcode);
throw new IndexOutOfRangeException();
}
AssetBundle decryptedAssetBundle = m_DecryptedAssetBundle;
return (UnityEngine.Object)0 != decryptedAssetBundle;
}
}
}AesCryptor method from their custom method
Code: Select all
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Security.Cryptography;
using System.Text;
using Cpp2IlInjected;
using UnityEngine;
namespace Network
{
public class AesCryptor
{
public class Phrase
{
private StringBuilder builder;
private string data;
public static byte[] fqifiv
{
get
{
//IL_0002: Expected I8, but got I4
//IL_0011: Expected I8, but got I4
Encoding uTF;
string text = default(string);
do
{
long num = 0L;
if (Singleton<T>.I() == null)
{
throw new NullReferenceException();
}
long num2 = 0L;
uTF = Encoding.UTF8;
if (text == null)
{
throw new NullReferenceException();
}
int length = text.Length;
}
while (uTF != null);
throw new NullReferenceException();
}
}
public static byte[] fqifkey
{
get
{
//IL_0002: Expected I8, but got I4
//IL_000a: Expected I8, but got I4
Encoding uTF;
do
{
long num = 0L;
uTF = Encoding.UTF8;
long num2 = 0L;
if (Singleton<T>.I() == null)
{
throw new NullReferenceException();
}
}
while (uTF != null);
throw new NullReferenceException();
}
}
public Phrase()
{
//IL_0006: Expected I8, but got I4
//IL_0019: Expected I8, but got I4
//IL_0022: Expected I8, but got I4
//IL_002e: Expected O, but got I8
long num = 256L;
builder = (StringBuilder)typeof(StringBuilder).TypeHandle;
base._002Ector();
long num2 = 0L;
long num3 = default(long);
if (Singleton<T>.I() == null)
{
num3 = 0L;
throw new NullReferenceException();
}
string text = (data = ((UmbGetString)num3).getString_1_3());
}
private static int RotateBit(int value, short n)
{
throw new Cpp2IlInjected.AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
}
public byte[] GetRandomCode16(int keycode)
{
//IL_0002: Expected I8, but got I4
//IL_0004: Expected I8, but got I4
//IL_000d: Expected I8, but got I4
//IL_0015: Expected I4, but got I8
//IL_0015: Expected I4, but got I8
Encoding aSCII;
do
{
long num = 0L;
long num2 = 0L;
aSCII = Encoding.ASCII;
long num3 = 16L;
string codeXXStr_ = GetCodeXXStr_((int)num2, (int)num3);
}
while (aSCII != null);
throw new NullReferenceException();
}
public byte[] GetRandomCode32(int keycode)
{
//IL_0002: Expected I8, but got I4
//IL_000b: Expected I8, but got I4
//IL_0013: Expected I4, but got I8
Encoding aSCII;
do
{
long num = 0L;
aSCII = Encoding.ASCII;
long num2 = 32L;
string codeXXStr_ = GetCodeXXStr_(keycode, (int)num2);
}
while (aSCII != null);
throw new NullReferenceException();
}
public void GetRandomCode(int keycode, out byte[] _32, out byte[] _16)
{
//IL_0002: Expected I8, but got I4
//IL_000b: Expected I8, but got I4
//IL_0013: Expected I4, but got I8
//IL_0024: Expected I4, but got O
//IL_0027: Expected I8, but got I4
//IL_0032: Expected I8, but got I4
//IL_003b: Expected I4, but got I8
//IL_004f: Expected I4, but got O
long num = 0L;
Encoding aSCII = Encoding.ASCII;
long num2 = 32L;
string codeXXStr_ = GetCodeXXStr_(keycode, (int)num2);
if (aSCII == null)
{
throw new NullReferenceException();
}
System.Runtime.CompilerServices.Unsafe.As<byte[], byte>(ref _32).m_value = (byte)(int)aSCII;
long num3 = 0L;
Encoding aSCII2 = Encoding.ASCII;
long num4 = 16L;
string codeXXStr_2 = GetCodeXXStr_(keycode, (int)num4);
if (aSCII2 == null)
{
throw new NullReferenceException();
}
System.Runtime.CompilerServices.Unsafe.As<byte[], byte>(ref _16).m_value = (byte)(int)aSCII2;
}
private string GetCodeXXStr_(int keycode, int x)
{
//IL_0012: Expected I8, but got I4
//IL_0019: Expected I4, but got I8
//IL_0037: Expected I4, but got I8
//IL_003f: Expected I8, but got I4
//IL_004e: Expected O, but got I8
long num2 = default(long);
StringBuilder stringBuilder4;
do
{
StringBuilder stringBuilder = builder;
if (stringBuilder == null)
{
throw new NullReferenceException();
}
long num = 0L;
stringBuilder.Length = (int)num;
StringBuilder stringBuilder2 = builder;
string text = data;
if (text == null)
{
throw new NullReferenceException();
}
char c = text.get_Chars((int)num);
if (stringBuilder2 == null)
{
num2 = 0L;
throw new NullReferenceException();
}
StringBuilder stringBuilder3 = ((StringBuilder)num2).Append(c);
if (stringBuilder2 == null)
{
throw new NullReferenceException();
}
char c2 = ((string)(object)stringBuilder2).get_Chars((int)c);
stringBuilder4 = builder;
while (x != 0)
{
}
}
while (stringBuilder4 != null);
throw new NullReferenceException();
}
}
public static RijndaelManaged getRijndael()
{
byte[] fqifkey = Phrase.fqifkey;
return getRijndael(Phrase.fqifiv, fqifkey);
}
public static RijndaelManaged getRijndael(int keycode, int ivcode)
{
//Discarded unreachable code: IL_0006, IL_000c
throw new NullReferenceException();
}
public static RijndaelManaged getRijndael(byte[] key, byte[] iv)
{
//Discarded unreachable code: IL_0013, IL_0019, IL_001f, IL_0025, IL_002b, IL_0031, IL_0038, IL_003e
if ((object)typeof(RijndaelManaged).TypeHandle == null)
{
throw new NullReferenceException();
}
return (RijndaelManaged)typeof(RijndaelManaged).TypeHandle;
}
public static byte[] EncryptBytes(SymmetricAlgorithm alg, byte[] message)
{
//Discarded unreachable code: IL_001e, IL_002a, IL_0031, IL_0033, IL_0045, IL_0048, IL_004b, IL_004e, IL_0055, IL_0058, IL_005c, IL_005f, IL_006f, IL_0072
//IL_0002: Expected I8, but got I4
//IL_0020: Expected I8, but got I4
//IL_0033: Expected I8, but got I4
//IL_004b: Expected I8, but got I4
//IL_0058: Expected I8, but got I4
//IL_005f: Expected I8, but got I4
//IL_0062: Expected I8, but got I4
//IL_0072: Expected I8, but got I4
//IL_0075: Expected I8, but got I4
while (true)
{
long num = 1L;
if (message != null)
{
if (num == 0L)
{
break;
}
if (alg != null)
{
if ((object)typeof(CryptoStream).TypeHandle == null)
{
throw new NullReferenceException();
}
throw new NullReferenceException();
}
continue;
}
return (byte[])typeof(CryptoStream).TypeHandle;
}
return (byte[])typeof(CryptoStream).TypeHandle;
}
public static byte[] DecryptBytes(SymmetricAlgorithm alg, byte[] message)
{
//Discarded unreachable code: IL_0044, IL_00af, IL_00b8
//IL_0028: Expected I8, but got I4
//IL_003e: Expected I8, but got I4
//IL_004f: Expected I8, but got I4
//IL_005c: Expected I8, but got I4
//IL_0062: Expected I8, but got I4
//IL_0073: Expected I8, but got I4
//IL_008e: Expected O, but got I4
//IL_009d: Expected O, but got I4
//IL_00a0: Expected I8, but got I4
//IL_00a3: Expected I8, but got I4
//IL_00a6: Expected I8, but got I4
//IL_00a9: Expected I8, but got I4
//IL_00b2: Expected I8, but got I4
//IL_00c3: Expected I8, but got O
if (message != null)
{
if (alg == null)
{
goto IL_00a6;
}
if ((object)typeof(CryptoStream).TypeHandle == null)
{
throw new NullReferenceException();
}
if ((object)typeof(MemoryStream).TypeHandle == null)
{
throw new NullReferenceException();
}
long num = 0L;
int num2 = 154;
if ((object)typeof(CryptoStream).TypeHandle != null)
{
if ((object)typeof(IDisposable).TypeHandle != null)
{
long num3 = 0L;
}
return (byte[])typeof(CryptoStream).TypeHandle;
}
long num4 = default(long);
if (num != 0L)
{
num4 = 0L;
}
if (alg != null && (object)typeof(IDisposable).TypeHandle != null)
{
long num5 = 0L;
}
long num6 = default(long);
if (num4 != 0L)
{
num6 = 0L;
}
if ((object)typeof(MemoryStream).TypeHandle != null)
{
if ((object)typeof(IDisposable).TypeHandle != null)
{
long num7 = 0L;
}
return (byte[])typeof(MemoryStream).TypeHandle;
}
if (num6 != 0L)
{
return (byte[])typeof(MemoryStream).TypeHandle;
}
string text = 0 + "Failed to decrypt:";
if ((object)typeof(IDisposable).TypeHandle == null)
{
}
Debug.LogWarning(0);
}
long num8 = 0L;
long num9 = 1L;
long num10 = 1L;
goto IL_00a6;
IL_00a6:
long num11 = 0L;
return (byte[])typeof(ArgumentNullException).TypeHandle;
}
}
}
I'm just starting to look into decompiling and writing bms scripts，
I will upload so , dat and some resource files，Hope to help me, give me ideas！
https://drive.google.com/file/d/1Qmsh8U ... sp=sharing
Thanks again