C#(Encrypt & Decrypt Class)

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Text;

using System.Security.Cryptography;

using System.IO;

/// <summary>

/// Summary description for clsObjects

/// </summary>

public static class clsObjects

{

    #region FieldsForEncryptDecrypt

    private static byte[] key = { };

    private static byte[] IV = { 38, 55, 206, 48, 28, 64, 20, 16 };

    private static string stringKey = "!5663a#KN3X"; // Change Here...

    #endregion FieldsForEncryptDecrypt

    #region EncryptDecrypt

    public static string Encrypt(string text)

    {

        try

        {

            key = Encoding.UTF8.GetBytes(stringKey.Substring(0, 8));

            DESCryptoServiceProvider des = new DESCryptoServiceProvider();

            Byte[] byteArray = Encoding.UTF8.GetBytes(text);

            MemoryStream memoryStream = new MemoryStream();

            CryptoStream cryptoStream = new CryptoStream(memoryStream, des.CreateEncryptor(key, IV),

                CryptoStreamMode.Write);

            cryptoStream.Write(byteArray, 0, byteArray.Length);

            cryptoStream.FlushFinalBlock();

            return Convert.ToBase64String(memoryStream.ToArray());

        }

        catch (Exception ae)

        {

        }

        return string.Empty;

    }

    public static string Decrypt(string text)

    {

        try

        {

            text = text.Replace(" ", "+");

            key = Encoding.UTF8.GetBytes(stringKey.Substring(0, 8));

            DESCryptoServiceProvider des = new DESCryptoServiceProvider();

            Byte[] byteArray = Convert.FromBase64String(text);

            MemoryStream memoryStream = new MemoryStream();

            CryptoStream cryptoStream = new CryptoStream(memoryStream,

                des.CreateDecryptor(key, IV), CryptoStreamMode.Write);

            cryptoStream.Write(byteArray, 0, byteArray.Length);

            cryptoStream.FlushFinalBlock();

            return Encoding.UTF8.GetString(memoryStream.ToArray());

        }

        catch (Exception ae)

        {

            return "Error";

        }

        return string.Empty;

    }

    #endregion EncryptDecrypt

}