diff --git a/WelsonJS.Toolkit/WelsonJS.Toolkit/ProcessTool.cs b/WelsonJS.Toolkit/WelsonJS.Toolkit/ProcessUtils.cs
similarity index 98%
rename from WelsonJS.Toolkit/WelsonJS.Toolkit/ProcessTool.cs
rename to WelsonJS.Toolkit/WelsonJS.Toolkit/ProcessUtils.cs
index 9bb1ec0..0a0011b 100644
--- a/WelsonJS.Toolkit/WelsonJS.Toolkit/ProcessTool.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Toolkit/ProcessUtils.cs
@@ -4,7 +4,7 @@ using System.Windows.Forms;
 
 namespace WelsonJS
 {
-    public class ProcessTool
+    public class ProcessUtils
     {
         public static List<int> ProcessIDs = new List<int>();
 
diff --git a/WelsonJS.Toolkit/WelsonJS.Toolkit/Toolkit.cs b/WelsonJS.Toolkit/WelsonJS.Toolkit/Toolkit.cs
index ae80305..9fb6500 100644
--- a/WelsonJS.Toolkit/WelsonJS.Toolkit/Toolkit.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Toolkit/Toolkit.cs
@@ -30,7 +30,9 @@
 
 using System;
 using System.Runtime.InteropServices;
+using System.Text;
 using System.Windows.Forms;
+using WelsonJS.Cryptography;
 
 namespace WelsonJS
 {
@@ -193,25 +195,25 @@ namespace WelsonJS
         [ComVisible(true)]
         public string GetFilePathFromDialog()
         {
-            return ProcessTool.OpenFileDialog();
+            return ProcessUtils.OpenFileDialog();
         }
 
         [ComVisible(true)]
         public int OpenProcess(string filepath)
         {
-            return ProcessTool.Open(filepath);
+            return ProcessUtils.Open(filepath);
         }
 
         [ComVisible(true)]
         public bool CloseProcess(int processID)
         {
-            return ProcessTool.Close(processID);
+            return ProcessUtils.Close(processID);
         }
 
         [ComVisible(true)]
-        public void CompressLZ77(string data)
+        public string CompressLZ77(string data)
         {
-            Compression.LZ77.Compress(data);
+            return Compression.LZ77.Compress(data);
         }
 
         [ComVisible(true)]
@@ -219,5 +221,25 @@ namespace WelsonJS
         {
             return Compression.LZ77.Decompress(compressedData);
         }
+
+        [ComVisible(true)]
+        public string EncryptStringHIGHT(string key, string data)
+        {
+            byte[] userKey = Encoding.ASCII.GetBytes(key);
+            byte[] dataIn = Encoding.UTF8.GetBytes(data);
+
+            HIGHT.ECB cipher = new HIGHT.ECB(userKey);
+            return Convert.ToBase64String(cipher.Encrypt(dataIn));
+        }
+
+        [ComVisible(true)]
+        public string DecryptStringHIGHT(string key, string encryptedData)
+        {
+            byte[] userKey = Encoding.ASCII.GetBytes(key);
+            byte[] dataIn = Convert.FromBase64String(encryptedData);
+
+            HIGHT.ECB cipher = new HIGHT.ECB(userKey);
+            return Encoding.UTF8.GetString(cipher.Decrypt(dataIn));
+        }
     }
 }
diff --git a/WelsonJS.Toolkit/WelsonJS.Toolkit/WelsonJS.Toolkit.csproj b/WelsonJS.Toolkit/WelsonJS.Toolkit/WelsonJS.Toolkit.csproj
index b91d8bd..1bab23d 100644
--- a/WelsonJS.Toolkit/WelsonJS.Toolkit/WelsonJS.Toolkit.csproj
+++ b/WelsonJS.Toolkit/WelsonJS.Toolkit/WelsonJS.Toolkit.csproj
@@ -68,7 +68,7 @@
     <Compile Include="Compression\LZ77.cs" />
     <Compile Include="Cryptography\HIGHT.cs" />
     <Compile Include="NamedSharedMemory.cs" />
-    <Compile Include="ProcessTool.cs" />
+    <Compile Include="ProcessUtils.cs" />
     <Compile Include="Prompt.cs" />
     <Compile Include="Toolkit.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />