The simplest encryption and decryption algorithm

1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.ComponentModel;4 usingSystem.Data;5 usingSystem.Drawing;6 usingSystem.Linq;7 usingSystem.Text;8 usingSystem.Windows.Forms;9 Ten namespaceWindowsFormsApplication1 One { A      Public Partial classForm1:form -     { -          PublicForm1 () the         { - InitializeComponent (); -         } -  +         Private voidForm1_Load (Objectsender, EventArgs e) -         { +              A         } at  -         Private voidButton1_Click (Objectsender, EventArgs e) -         { -             //Encrypt -             strings = This. TextBox1.Text; -             stringss=Encrypt (s); in              This. TextBox2.Text =SS; -  to         } +         Private voidButton2_Click (Objectsender, EventArgs e) -         { the             //decryption *             strings = This. TextBox1.Text; $             stringSS =Decryptor (s);Panax Notoginseng              This. TextBox2.Text =SS; -              the         } +         #regionEncryption A          Public stringEncrypt (strings) the         { +Encoding ASCII = ENCODING.ASCII;//instantiated.  -             stringEncryptString ="";//defined.  $              for(inti =0; i < s.length; i++)//traversal.  $             { -                 intJ; -                 byte[] B =New byte[1]; thej = Convert.ToInt32 (ASCII. GetBytes (S[i]. ToString ()) [0]);//gets the ASCII of the character.  -j = j +5;//EncryptWuyib[0] = Convert.tobyte (j);//converts to a eight-bit unsigned integer.  theencryptstring = encryptstring + ASCII. GetString (b);//display.  -  Wu             } -             returnencryptstring; About         }  $         #endregion -         //decryption -         #regionDecrypt -          Public stringDecryptor (strings) A         { +Encoding ASCII = ENCODING.ASCII;//instantiated.  the             stringDecryptorstring ="";//defined.  -              for(inti =0; i < s.length; i++)//traversal.  $             { the                 intJ; the                 byte[] B =New byte[1]; thej = Convert.ToInt32 (ASCII. GetBytes (S[i]. ToString ()) [0]);//gets the ASCII of the character.  thej = J-5;//decryption -b[0] = Convert.tobyte (j);//converts to a eight-bit unsigned integer.  indecryptorstring = decryptorstring + ASCII. GetString (b);//display.  the  the             } About             returndecryptorstring; the         }  the         #endregion the  +         -     } the}

Encryption:

Decrypt:

The simplest encryption and decryption algorithm