diff --git a/main_form.cs b/main_form.cs
index 266a80e..572e5f9 100644
--- a/main_form.cs
+++ b/main_form.cs
@@ -185,11 +185,63 @@ namespace KRY_0x01_ng
         }
 
 
+        int[] gimme_char_indices(char ch)
+        {
+            int[] chxy = new int[2];
+            int atbgl = arrayTable.GetLength(0);
+            for (int i = 0; i < atbgl; i++)
+            {
+                for (int j = 0; j < atbgl; j++)
+                {
+                    if (arrayTable[i,j].Equals(ch))
+                    {
+                        chxy[0] = i;
+                        chxy[1] = j;
+                    }
+                }
+            }
+            return chxy;
+        }
+
+
         void encrypt()
         {
             check_message(textBox4);
             prep_message(textBox5);
+
             string cryptmessage = "";
+            string msg = prep_msg_str;
+            int arrtb_gl = arrayTable.GetLength(0);
+
+            for (int i = 0; i < msg.Length; i+=2)
+            {
+                char ch1 = msg[i];
+                char ch2 = msg[i + 1];
+                char ech1 = new char();
+                char ech2 = new char();
+                int[] ch1xy = gimme_char_indices(ch1);
+                int[] ch2xy = gimme_char_indices(ch2);
+
+                if (ch1xy[0] == ch2xy[0])
+                {
+                    ech1 = arrayTable[ch1xy[0], ch1xy[1] + 1 % arrtb_gl];
+                    ech2 = arrayTable[ch2xy[0], ch2xy[1] + 1 % arrtb_gl];
+                }
+                else if (ch1xy[1] == ch2xy[1])
+                {
+                    ech1 = arrayTable[ch1xy[0] + 1 % arrtb_gl, ch1xy[1]];
+                    ech2 = arrayTable[ch2xy[0] + 1 % arrtb_gl, ch2xy[1]];
+                }
+                else
+                {
+                    ech1 = arrayTable[ch1xy[0], ch2xy[1]];
+                    ech2 = arrayTable[ch2xy[0], ch1xy[1]];
+                }
+
+                string resulting_digraph = ech1.ToString() + ech2.ToString();
+                cryptmessage += resulting_digraph;
+            }
+
             textBox7.Text = cryptmessage;
             return;
         }