using System;

using System.Security.Cryptography;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        var text = "m.palan";

        var encryptedText = "wV3+8MpsVOlylmODB3RR5A==";

            AesCryptoServiceProvider aes = new AesCryptoServiceProvider();

            aes.BlockSize = 128;

            aes.KeySize = 128;

            aes.IV = Encoding.UTF8.GetBytes("8080808080808080");

            aes.Key = Encoding.UTF8.GetBytes("8080808080808080");

            aes.Mode = CipherMode.CBC;

            aes.Padding = PaddingMode.PKCS7;

​

            // Convert string to byte array 

            byte[] src = Encoding.UTF8.GetBytes(text);

​

​

            // encryption

            using (ICryptoTransform encrypt = aes.CreateEncryptor())

            {

                byte[] dest = encrypt.TransformFinalBlock(src, 0, src.Length);

                // Convert byte array to Base64 strings

                Console.WriteLine(Convert.ToBase64String(dest));

            }

            // Convert string to byte array 

            byte[] src1 = Convert.FromBase64String(encryptedText);

​

​

            // encryption

            using (ICryptoTransform encrypt = aes.CreateDecryptor())

            {

                byte[] dest = encrypt.TransformFinalBlock(src1, 0, src1.Length);

                // Convert byte array to Base64 strings

               Console.WriteLine(Encoding.UTF8.GetString(dest));

            }

    }

}