C # program password with DES encryption source code

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingsystem.web;usingSystem.Security.Cryptography;usingSystem.Text;namespacetestweb{ Public classDesencrypt {#region======== Encryption ========/// <summary>        ///Encrypt/// </summary>        /// <param name= "Text" ></param>        /// <returns></returns>         Public Static stringEncrypt (stringText) {            returnEncrypt (Text,"Test"); }        /// <summary>         ///Encrypt Data/// </summary>         /// <param name= "Text" ></param>         /// <param name= "SKey" ></param>         /// <returns></returns>          Public Static stringEncrypt (stringText,stringSKey) {DESCryptoServiceProvider des=NewDESCryptoServiceProvider (); byte[] inputbytearray; Inputbytearray=Encoding.Default.GetBytes (Text); Des. Key= ASCIIEncoding.ASCII.GetBytes (System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile (SKey,"MD5"). Substring (0,8)); Des.iv= ASCIIEncoding.ASCII.GetBytes (System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile (SKey,"MD5"). Substring (0,8)); System.IO.MemoryStream Ms=NewSystem.IO.MemoryStream (); CryptoStream CS=NewCryptoStream (MS, Des.            CreateEncryptor (), cryptostreammode.write); Cs. Write (Inputbytearray,0, inputbytearray.length); Cs.            FlushFinalBlock (); StringBuilder ret=NewStringBuilder (); foreach(byteBinchMs. ToArray ()) {ret. AppendFormat ("{0:x2}", B); }            returnret.        ToString (); }        #endregion        #region======== Decryption ========/// <summary>        ///decryption/// </summary>        /// <param name= "Text" ></param>        /// <returns></returns>         Public Static stringDecrypt (stringText) {            returnDecrypt (Text,"Test"); }        /// <summary>         ///Decrypt Data/// </summary>         /// <param name= "Text" ></param>         /// <param name= "SKey" ></param>         /// <returns></returns>          Public Static stringDecrypt (stringText,stringSKey) {DESCryptoServiceProvider des=NewDESCryptoServiceProvider (); intLen; Len= Text.length/2; byte[] Inputbytearray =New byte[Len]; intx, I;  for(x =0; x < Len; X + +) {i= Convert.ToInt32 (text.substring (x *2,2), -); INPUTBYTEARRAY[X]= (byte) I; } des. Key= ASCIIEncoding.ASCII.GetBytes (System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile (SKey,"MD5"). Substring (0,8)); Des.iv= ASCIIEncoding.ASCII.GetBytes (System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile (SKey,"MD5"). Substring (0,8)); System.IO.MemoryStream Ms=NewSystem.IO.MemoryStream (); CryptoStream CS=NewCryptoStream (MS, Des.            CreateDecryptor (), cryptostreammode.write); Cs. Write (Inputbytearray,0, inputbytearray.length); Cs.            FlushFinalBlock (); returnEncoding.Default.GetString (Ms.        ToArray ()); }        #endregion    }}

C # program password with DES encryption source code