private static bool smethod_2(byte byte_0, out Hardware.Class5 class5_0)
{
int num = 0;
int num2 = 0;
Hardware.Class2 @class = new Hardware.Class2();
class5_0 = new Hardware.Class5();
int num3;
if (Environment.OSVersion.Platform != PlatformID.Win32NT)
{
num3 = Hardware.CreateFile("\\\\.\\Smartvsd", 0u, 0, 0, 1, 0, 0);
}
else
{
num3 = Hardware.CreateFile("\\\\.\\PhysicalDrive" + byte_0, 3221225472u, 3, 0, 3, 0, 0);
}
if (num3 != -1)
{
@class.byte_0 = (byte)num;
@class.int_0 = Marshal.SizeOf(class5_0);
@class.class1_0.byte_5 = (byte)(160 | num << 4);
@class.class1_0.byte_6 = 236;
@class.class1_0.byte_1 = 1;
@class.class1_0.byte_2 = 1;
if (Hardware.DeviceIoControl(num3, 508040, @class, Marshal.SizeOf(@class), class5_0, Marshal.SizeOf(class5_0), ref num2, 0) != 0)
{
return(true);
}
}
return(false);
}
public static byte[] CalculateID()
{
byte[] array = null;
using (BinaryWriter binaryWriter = new BinaryWriter(new MemoryStream()))
{
int num = (Environment.ProcessorCount > 2) ? (Environment.ProcessorCount / 2) : Environment.ProcessorCount;
if (num <= 0)
{
num = 1;
}
binaryWriter.Write(num);
byte[] array2 = new byte[]
{
85,
137,
229,
87,
139,
125,
16,
106,
1,
88,
83,
15,
162,
137,
7,
137,
87,
4,
91,
95,
137,
236,
93,
194,
16,
0
};
byte[] array3 = new byte[]
{
83,
72,
199,
192,
1,
0,
0,
0,
15,
162,
65,
137,
0,
65,
137,
80,
4,
91,
195
};
byte[] array4 = new byte[8];
byte[] array5;
if (IntPtr.Size == 8)
{
array5 = array3;
}
else
{
array5 = array2;
}
IntPtr intPtr = new IntPtr(array5.Length);
int num2;
if (!Hardware.VirtualProtect(array5, intPtr, 64, out num2))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
intPtr = new IntPtr(array4.Length);
if (Hardware.CallWindowProcW(array5, IntPtr.Zero, 0, array4, intPtr) == IntPtr.Zero)
{
byte[] result = array;
return(result);
}
binaryWriter.Write(array4);
Hardware.Class5 @class = new Hardware.Class5();
string pathRoot = Path.GetPathRoot(Environment.SystemDirectory);
Hardware.Class5 class2 = new Hardware.Class5();
string pathRoot2 = Path.GetPathRoot(Environment.CurrentDirectory);
if (Hardware.smethod_1(pathRoot, out @class) && Hardware.smethod_1(pathRoot2, out class2))
{
binaryWriter.Write(@class.class4_0.char_2);
binaryWriter.Write(@class.class4_0.char_0);
binaryWriter.Write(class2.class4_0.char_2);
binaryWriter.Write(class2.class4_0.char_0);
}
else
{
uint value = 0u;
uint value2 = 0u;
uint num3 = 0u;
uint num4 = 0u;
if (!Hardware.GetVolumeInformation(pathRoot, null, 0, out value, out num3, out num4, null, 0u))
{
byte[] result = array;
return(result);
}
if (!Hardware.GetVolumeInformation(pathRoot2, null, 0, out value2, out num3, out num4, null, 0u))
{
byte[] result = array;
return(result);
}
binaryWriter.Write(value);
binaryWriter.Write(value2);
}
binaryWriter.BaseStream.Position = 0L;
array = new MD5CryptoServiceProvider().ComputeHash(binaryWriter.BaseStream);
}
return(array);
}
private static extern int DeviceIoControl(int int_7, int int_8, [In][Out] Hardware.Class2 class2_0, int int_9, [In][Out] Hardware.Class5 class5_0, int int_10, ref int int_11, int int_12);