using System;

using System.Security.Cryptography;     

using System.Text;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.WriteLine(ComputeHash("FWDPSWD","eBq348b07Y")); 

    }

    public static string ComputeHash(string pwd, string salt)

        {

            byte[] saltBytes = Encoding.UTF8.GetBytes(salt);

            // Convert plain text into a byte array.

            byte[] plainTextBytes = Encoding.UTF8.GetBytes(pwd);

​

            // Allocate array, which will hold plain text and salt.

            byte[] plainTextWithSaltBytes =

                    new byte[plainTextBytes.Length + saltBytes.Length];

​

            // Copy plain text bytes into resulting array.

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

                plainTextWithSaltBytes[i] = plainTextBytes[i];

​

            // Append salt bytes to the resulting array.

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

                plainTextWithSaltBytes[plainTextBytes.Length + i] = saltBytes[i];

​

            HashAlgorithm hash;

            hash = new SHA256Managed();

​

            // Compute hash value of our plain text with appended salt.

            byte[] hashBytes = hash.ComputeHash(plainTextWithSaltBytes);

         string   SHA256_result = Convert.ToBase64String(hashBytes);

            // Return the result.

            return SHA256_result;

        }

}