public static byte[] DecryptCompressedInt32Data(Arg64ConstantsReader constReader, int exprStart, int exprEnd, ref DataReader reader, byte[] decrypted)
{
for (int i = 0; i < decrypted.Length; i++)
{
constReader.Arg = reader.Read7BitEncodedInt32();
int index = exprStart;
if (!constReader.GetInt64(ref index, out long result) || index != exprEnd)
{
throw new ApplicationException("Could not decrypt integer");
}
decrypted[i] = (byte)result;
}
return(decrypted);
}
byte[] DecryptConstant_v15_r60785_dynamic(DecrypterInfo info, byte[] encrypted, uint offs)
{
var instrs = info.decryptMethod.Body.Instructions;
int startIndex = GetDynamicStartIndex_v15_r60785(instrs);
int endIndex = GetDynamicEndIndex_v15_r60785(instrs, startIndex);
if (endIndex < 0)
{
throw new ApplicationException("Could not find start/endIndex");
}
var dataReader = ByteArrayDataReaderFactory.CreateReader(encrypted);
var decrypted = new byte[dataReader.ReadInt32()];
var constReader = new Arg64ConstantsReader(instrs, false);
ConfuserUtils.DecryptCompressedInt32Data(constReader, startIndex, endIndex, ref dataReader, decrypted);
return(decrypted);
}
public override string Decrypt(MethodDef caller, int magic)
{
var reader = stringDecrypter.reader;
reader.Position = (caller.MDToken.ToInt32() ^ magic) - stringDecrypter.magic1;
int len = reader.ReadInt32() ^ (int)~stringDecrypter.magic2;
var decrypted = new byte[len];
int startIndex, endIndex;
if (!FindPolyStartEndIndexes(out startIndex, out endIndex))
{
throw new ApplicationException("Could not get start/end indexes");
}
var constReader = new Arg64ConstantsReader(stringDecrypter.decryptMethod.Body.Instructions, false);
ConfuserUtils.DecryptCompressedInt32Data(constReader, startIndex, endIndex, reader, decrypted);
return(Encoding.Unicode.GetString(decrypted));
}
public override string Decrypt(MethodDef caller, int magic) {
var reader = stringDecrypter.reader;
reader.Position = (caller.MDToken.ToInt32() ^ magic) - stringDecrypter.magic1;
int len = reader.ReadInt32() ^ (int)~stringDecrypter.magic2;
var decrypted = new byte[len];
int startIndex, endIndex;
if (!FindPolyStartEndIndexes(out startIndex, out endIndex))
throw new ApplicationException("Could not get start/end indexes");
var constReader = new Arg64ConstantsReader(stringDecrypter.decryptMethod.Body.Instructions, false);
ConfuserUtils.DecryptCompressedInt32Data(constReader, startIndex, endIndex, reader, decrypted);
return Encoding.Unicode.GetString(decrypted);
}
byte[] DecryptConstant_v15_r60785_dynamic(DecrypterInfo info, byte[] encrypted, uint offs) {
var instrs = info.decryptMethod.Body.Instructions;
int startIndex = GetDynamicStartIndex_v15_r60785(instrs);
int endIndex = GetDynamicEndIndex_v15_r60785(instrs, startIndex);
if (endIndex < 0)
throw new ApplicationException("Could not find start/endIndex");
var dataReader = MemoryImageStream.Create(encrypted);
var decrypted = new byte[dataReader.ReadInt32()];
var constReader = new Arg64ConstantsReader(instrs, false);
ConfuserUtils.DecryptCompressedInt32Data(constReader, startIndex, endIndex, dataReader, decrypted);
return decrypted;
}
public static byte[] DecryptCompressedInt32Data(Arg64ConstantsReader constReader, int exprStart, int exprEnd, IBinaryReader reader, byte[] decrypted) {
for (int i = 0; i < decrypted.Length; i++) {
constReader.Arg = reader.Read7BitEncodedInt32();
int index = exprStart;
long result;
if (!constReader.GetInt64(ref index, out result) || index != exprEnd)
throw new ApplicationException("Could not decrypt integer");
decrypted[i] = (byte)result;
}
return decrypted;
}