diff --git a/KRY-0x01-ng.csproj b/KRY-0x01-ng.csproj
index c1d98bc..74a09e8 100644
--- a/KRY-0x01-ng.csproj
+++ b/KRY-0x01-ng.csproj
@@ -46,16 +46,16 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Form1.cs">
+    <Compile Include="main_form.cs">
       <SubType>Form</SubType>
     </Compile>
-    <Compile Include="Form1.Designer.cs">
-      <DependentUpon>Form1.cs</DependentUpon>
+    <Compile Include="main_form.Designer.cs">
+      <DependentUpon>main_form.cs</DependentUpon>
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <EmbeddedResource Include="Form1.resx">
-      <DependentUpon>Form1.cs</DependentUpon>
+    <EmbeddedResource Include="main_form.resx">
+      <DependentUpon>main_form.cs</DependentUpon>
     </EmbeddedResource>
     <EmbeddedResource Include="Properties\Resources.resx">
       <Generator>ResXFileCodeGenerator</Generator>
diff --git a/main_form.Designer.cs b/main_form.Designer.cs
index 5bdf7af..027c2ec 100644
--- a/main_form.Designer.cs
+++ b/main_form.Designer.cs
@@ -60,7 +60,7 @@
             this.textBox2.Name = "textBox2";
             this.textBox2.ReadOnly = true;
             this.textBox2.Size = new System.Drawing.Size(313, 20);
-            this.textBox2.TabIndex = 1;
+            this.textBox2.TabIndex = 100;
             // 
             // label1
             // 
@@ -104,14 +104,14 @@
             this.textBox3.Name = "textBox3";
             this.textBox3.ReadOnly = true;
             this.textBox3.Size = new System.Drawing.Size(313, 20);
-            this.textBox3.TabIndex = 5;
+            this.textBox3.TabIndex = 500;
             // 
             // textBox4
             // 
             this.textBox4.Location = new System.Drawing.Point(12, 281);
             this.textBox4.Name = "textBox4";
             this.textBox4.Size = new System.Drawing.Size(313, 20);
-            this.textBox4.TabIndex = 7;
+            this.textBox4.TabIndex = 2;
             // 
             // label4
             // 
@@ -178,18 +178,20 @@
             this.button1.Location = new System.Drawing.Point(12, 307);
             this.button1.Name = "button1";
             this.button1.Size = new System.Drawing.Size(75, 23);
-            this.button1.TabIndex = 15;
+            this.button1.TabIndex = 3;
             this.button1.Text = "encrypt";
             this.button1.UseVisualStyleBackColor = true;
+            this.button1.Click += new System.EventHandler(this.button1_Click);
             // 
             // button2
             // 
             this.button2.Location = new System.Drawing.Point(12, 210);
             this.button2.Name = "button2";
             this.button2.Size = new System.Drawing.Size(75, 23);
-            this.button2.TabIndex = 16;
+            this.button2.TabIndex = 1;
             this.button2.Text = "check key";
             this.button2.UseVisualStyleBackColor = true;
+            this.button2.Click += new System.EventHandler(this.button2_Click);
             // 
             // main_form
             // 
diff --git a/main_form.cs b/main_form.cs
index 9d5c5bb..6178cbd 100644
--- a/main_form.cs
+++ b/main_form.cs
@@ -5,6 +5,7 @@ using System.Data;
 using System.Drawing;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
@@ -16,5 +17,94 @@ namespace KRY_0x01_ng
         {
             InitializeComponent();
         }
+
+        char[,] arrayTable = new char[5, 5];
+        char[] alphabet = "ABCDEFGHIJKLMNOPQRSTUVXYZ".ToCharArray(); // no W
+        char[] nualphabet = new char[25];
+
+
+
+        public string prune_input(TextBox tb)
+        {
+            string str = tb.Text.ToUpper();
+            string alpha_str = Regex.Replace(str, " ", "MEZERABRO");
+            alpha_str = alpha_str.Replace("[^A-Z]+", "");
+            return alpha_str.Replace("W", "V");
+        }
+        public string restore_order(string str)
+        {
+            string alpha_str = Regex.Replace(str, "MEZERABRO", " ");
+            return alpha_str;
+        }
+
+        public string pad(string str)
+        {
+            string padded_str = "";
+            if (str.Length > 0)
+            {
+                int i = 0;
+                while (i < str.Length)
+                {
+                    char first_char = str[i];
+                    i++;
+                    char second_char;
+                    if ((i == str.Length || str[i] == first_char) && (first_char != 'X'))
+                    {
+                        second_char = 'X';
+                    }
+                    else if ((i == str.Length || str[i] == first_char) && (first_char != 'Q'))
+                    {
+                        second_char = 'Q';
+                    }
+                    else if ((i == str.Length || str[i] == first_char) && (first_char != 'W'))
+                    {
+                        second_char = 'W';
+                    }
+                    else
+                    {
+                        second_char = str[i];
+                        i++;
+                    }
+                    padded_str += first_char;
+                    padded_str += second_char;
+                }
+            }
+            return padded_str;
+        }
+
+
+        void check_key()
+        {
+            return;
+        }
+
+        void check_message(TextBox tb_m)
+        {
+            string msg = pad(tb_m.Text);
+            return;
+        }
+
+
+        void encrypt()
+        {
+            string cryptmessage = "";
+            string m_text = prune_input(textBox4);
+            return;
+        }
+
+
+
+        private void button1_Click(object sender, EventArgs e)
+        {
+            /* encrypt button */
+            check_message(textBox4);
+            encrypt();
+        }
+
+        private void button2_Click(object sender, EventArgs e)
+        {
+            /* check key button */
+            check_key();
+        }
     }
 }