using System;

using System.Linq;

using System.Security.Cryptography;

using System.Text;

using System.IO;

​

public class Simple {

  public static void Main() {

      string cipherTextValue = "";

      byte[] cipherText;

    byte[] clearBytes = Encoding.Unicode.GetBytes("karthickkumarm@virtusa.com");

​

            using (Aes encryptor = Aes.Create())

            {

                Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes("11E2A2C0-C29B-447A-B371-A7F0A3A2B2B5", new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });

                encryptor.Key = pdb.GetBytes(32);

                encryptor.IV = pdb.GetBytes(16);

​

                using (MemoryStream ms = new MemoryStream())

                {

                    using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateEncryptor(), CryptoStreamMode.Write))

                    {

                        cs.Write(clearBytes, 0, clearBytes.Length);

                        cs.Close();

                    }

                    cipherTextValue = Convert.ToBase64String(ms.ToArray());

                    Console.WriteLine(cipherTextValue);

                }

            }

      cipherText = Convert.FromBase64String(cipherTextValue);

      using (Aes encryptor = Aes.Create())

            {

                Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes("11E2A2C0-C29B-447A-B371-A7F0A3A2B2B5", new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });

                encryptor.Key = pdb.GetBytes(32);

                encryptor.IV = pdb.GetBytes(16);

​

                using (MemoryStream ms = new MemoryStream())

                {

                    using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateDecryptor(), CryptoStreamMode.Write))

                    {

                        cs.Write(cipherText, 0, cipherText.Length);

                        cs.Close();

                    }

                    Console.WriteLine(Encoding.Unicode.GetString(ms.ToArray()));

                }

            }

  }

}