diff --git a/Misc/HIDClasses.txt b/Misc/HIDClasses.txt
new file mode 100644
index 0000000..4aa14d8
--- /dev/null
+++ b/Misc/HIDClasses.txt
@@ -0,0 +1,15 @@
+"Win32_Processor:UniqueId
+Win32_Processor:ProcessorId
+Win32_Processor:Name
+Win32_Processor:Manufacturer
+Win32_BIOS:Manufacturer
+Win32_BIOS:SMBIOSBIOSVersion
+Win32_BIOS:IdentificationCode
+Win32_BIOS:SerialNumber
+Win32_BIOS:ReleaseDate
+Win32_BIOS:Version
+Win32_BaseBoard:Model
+Win32_BaseBoard:Manufacturer
+Win32_BaseBoard:Name
+Win32_BaseBoard:SerialNumber
+Win32_NetworkAdapterConfiguration:MACAddress:IPEnabled"
\ No newline at end of file
diff --git a/Misc/Misc.csproj b/Misc/Misc.csproj
index 1e75a46..cfbe1ab 100644
--- a/Misc/Misc.csproj
+++ b/Misc/Misc.csproj
@@ -33,6 +33,8 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Management" />
+    <Reference Include="System.Security" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -46,5 +48,8 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Security.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="HIDClasses.txt" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/Misc/Security.cs b/Misc/Security.cs
index 6613d9c..8e02a9e 100644
--- a/Misc/Security.cs
+++ b/Misc/Security.cs
@@ -3,6 +3,8 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
+using System.Management;
+using System.Security.Cryptography;
 using System.Security.Principal;
 using System.Text;
 using System.Threading.Tasks;
@@ -28,4 +30,67 @@ namespace Misc
             catch { throw; }
         }
     }
+
+    public static class HID
+    {
+
+        private static byte[] _fingerPrint;
+        static readonly string HIDClasses = @"Win32_Processor:UniqueId
+Win32_Processor:ProcessorId
+Win32_Processor:Name
+Win32_Processor:Manufacturer
+Win32_BIOS:Manufacturer
+Win32_BIOS:SMBIOSBIOSVersion
+Win32_BIOS:IdentificationCode
+Win32_BIOS:SerialNumber
+Win32_BIOS:ReleaseDate
+Win32_BIOS:Version
+Win32_BaseBoard:Model
+Win32_BaseBoard:Manufacturer
+Win32_BaseBoard:Name
+Win32_BaseBoard:SerialNumber
+Win32_NetworkAdapterConfiguration:MACAddress:IPEnabled";
+        public static byte[] Value
+        {
+            get {
+                if (_fingerPrint == null)
+                {
+                    string fingerprint_tmp = "";
+                    HIDClasses.Split('\r').Select(s =>
+                    {
+                        if (s.StartsWith("\n"))
+                            s = s.Remove(0, 1);
+                        return s.Split(':');
+                    }).ToList().ForEach(s =>
+                    {
+                        using (ManagementClass mc = new ManagementClass(s[0]))
+                        using (ManagementObjectCollection moc = mc.GetInstances())
+                        {
+                            ManagementBaseObject[] array = moc.OfType<ManagementBaseObject>().ToArray();
+                            for (int j = 0; j < array.Length; j++)
+                            {
+                                if ((s.Length > 2) && array[j][s[2]].ToString() != "True") continue;
+                                try
+                                {
+                                    fingerprint_tmp += array[j][s[1]].ToString();
+                                    break;
+                                }
+                                catch
+                                {
+                                }
+                            }
+                        }
+                    });
+                    using (MD5 sec = new MD5CryptoServiceProvider())
+                    {
+                        byte[] bt = Encoding.ASCII.GetBytes(fingerprint_tmp);
+                        _fingerPrint = sec.ComputeHash(bt);
+                    }
+                }
+                return _fingerPrint;
+            }
+        }
+        public static byte[] EncryptLocal(byte[] unencrypted) => ProtectedData.Protect(unencrypted, Value, DataProtectionScope.CurrentUser);
+        public static byte[] DecryptLocal(byte[] encrypted) => ProtectedData.Unprotect(encrypted, Value, DataProtectionScope.CurrentUser);
+    }
 }