//.h file code:

using namespace System;

public:
String ^Encrypt(String ^CodeKey, String ^DataIn);

    String ^Decrypt(String ^CodeKey, String ^DataIn);
ustub;
/u;

Public Function ^(ByVal CodeKey As String, ByVal DataIn As String) As String;
  Int64 lonDataPtr = 0;
  String ^strDataOut = nullptr;
  int intXOrValue1 = 0;
  int intXOrValue2 = 0;

  for (lonDataPtr = 1; lonDataPtr <= (DataIn->Length / 2.0); lonDataPtr++)
  {
    intXOrValue1 = Microsoft::VisualBasic::Conversion::Val("&H" + (DataIn->Substring((2 * lonDataPtr) - 2, 2)));
    intXOrValue2 = Convert::ToInt32(CodeKey[((lonDataPtr % CodeKey->Length) + 1) - 1]);

    strDataOut = strDataOut + (safe_cast<Char>(intXOrValue1 ^ intXOrValue2))->ToString();
  }
  xEncryption = strDataOut;
    }

//.cpp file code:

using namespace System;

String ^<missing_class_definition>::Encrypt(String ^CodeKey, String ^DataIn)
{
  Int64 lonDataPtr = 0;
  String ^strDataOut = nullptr;
  int temp = 0;
  String ^tempstring = nullptr;
  int intXOrValue1 = 0;
  int intXOrValue2 = 0;
  for (lonDataPtr = 1; lonDataPtr <= DataIn->Length; lonDataPtr++)
  {
    intXOrValue1 = Convert::ToInt32(DataIn[lonDataPtr - 1]);
    intXOrValue2 = Convert::ToInt32(CodeKey[((lonDataPtr % CodeKey->Length) + 1) - 1]);

    temp = (intXOrValue1 ^ intXOrValue2);
    tempstring = Convert::ToString(temp, 16)->ToUpper();
    if (tempstring->Length == 1)
    {
        tempstring = "0" + tempstring;
    }
    strDataOut = strDataOut + tempstring;
  }
  return strDataOut;
    }

String ^<missing_class_definition>::Decrypt(String ^CodeKey, String ^DataIn)
{
  Int64 lonDataPtr = 0;
  String ^strDataOut = nullptr;
  int intXOrValue1 = 0;
  int intXOrValue2 = 0;

  for (lonDataPtr = 1; lonDataPtr <= (DataIn->Length / 2.0); lonDataPtr++)
  {
intXOrValue1 = Microsoft::VisualBasic::Conversion::Val("&H" + (DataIn->Substring((2 * lonDataPtr) - 2, 2)));
intXOrValue2 = Convert::ToInt32(CodeKey[((lonDataPtr % CodeKey->Length) + 1) - 1]);

strDataOut = strDataOut + (safe_cast<Char>(intXOrValue1 ^ intXOrValue2))->ToString();
  }
  return strDataOut;
}