using System;

using System.Security.Cryptography;

using System.Text;

public class Program

{

    public static void Main()

    {

        string password = "blabla";

        password = "yxXe6+*rkKUdk478" + password;

        using HashAlgorithm algorithm = SHA256.Create();

​

        var sb = new StringBuilder();

        var bytes = algorithm.ComputeHash(Encoding.ASCII.GetBytes(password));

        foreach (byte b in bytes)

            sb.Append(b.ToString("x2"));

​

        Console.WriteLine(sb.ToString());

    }

}