using System;

using System.IO;

using System.Security.Cryptography;

​

public class HashDirectory

{

    public static void Main(String[] args)

    {

​

            using (SHA256 mySHA256 = SHA256.Create())

            {

                // Compute and print the hash values for each file in directory.

                    try {

                        // Compute the hash of the fileStream.

                        byte[] hashValue = mySHA256.ComputeHash(System.Text.Encoding.ASCII.GetBytes("9812345678"));

                        PrintByteArray(hashValue);                    

                    }

                    catch (UnauthorizedAccessException e) {

                        Console.WriteLine("Error Occured" + e.Message);

                    }

            }

    }

    // Display the byte array in a readable format.

    public static void PrintByteArray(byte[] array)

    {

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

        {

            Console.Write(String.Format("{0}", array[i]));

            if ((i % 4) == 3) Console.Write(" ");

        }

        Console.WriteLine();

    }

}