using System;

using System.Collections.Generic;

using System.Linq;

using System.Security.Cryptography;

using System.Text;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(SHA256("BIKE0001"));

    }

    private static string GenerateHashString(HashAlgorithm algo, string text)

    {

        // Compute hash from text parameter

        algo.ComputeHash(Encoding.UTF8.GetBytes(text));

​

        // Get has value in array of bytes

        var result = algo.Hash;

​

        // Return as hexadecimal string

        return string.Join(

            string.Empty,

            result.Select(x => x.ToString("x2")));

    }

​

    public static string SHA256(string text)

    {

        var result = default(string);

​

        using (var algo = new SHA256Managed())

        {

            result = GenerateHashString(algo, text);

        }

​

        return result;

    }

}