using System;

using System.Text;

using System.Security.Cryptography;

using System.IO;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(ByteArrayToHexString(Encrypt()));

    }

    public static byte[] HexStringToByteArray(String hex)

        {

        int NumberChars = hex.Length;

        byte[] bytes = new byte[NumberChars / 2];

        for (int i = 0; i < NumberChars; i += 2) {

        bytes[i / 2] = Convert.ToByte(hex.Substring(i, 2), 16);

        }

        return bytes;

        }

        // Convers a byte array to a HEX string

        public static string ByteArrayToHexString(byte[] bytes)

        {

        StringBuilder hexString = new StringBuilder(bytes.Length * 2);

        for (int i = 0; i < bytes.Length; i++)

        {

        hexString.Append(bytes[i].ToString("X2"));

        }

        return hexString.ToString();

        }

        public static byte[] Encrypt()

        {

        string plainText = "GROW06BP";

        DESCryptoServiceProvider desCrypto = new DESCryptoServiceProvider();

        desCrypto.Key = HexStringToByteArray("A818163DD5E0DE87");

        desCrypto.IV = HexStringToByteArray("A818163DD5E0DE87");

        desCrypto.Mode = CipherMode.CBC;

        desCrypto.Padding = PaddingMode.Zeros;

        // Create a buffer for the Plain Text using ASCIIEncoding

        byte[] plaintextBytes = (new ASCIIEncoding()).GetBytes(plainText);

        // Create a memory stream for the encrypted bytes

        MemoryStream msEncrypt = new MemoryStream();

        // Create a CryptoStream using the memory stream and the passed Algorithm

        CryptoStream csEncrypt = new CryptoStream(msEncrypt, desCrypto.CreateEncryptor(), CryptoStreamMode.Write);

        // Write the plaintext to the CryptoStream

        csEncrypt.Write(plaintextBytes, 0, plaintextBytes.Length);

        // Close the CryptoStream

        csEncrypt.Close();

        // Read the Encrypted bytes into our buffer

        byte[] encryptedTextBytes = msEncrypt.ToArray();

        // Close the Memory Stream

        msEncrypt.Close();

        // And return the encrypted buffer

        return encryptedTextBytes;

        }

}