using static System.Console;

using System.Security.Cryptography;

using System.Text;

public class Program {

    public static void Main() {

        WriteLine(sha512("senha qualquer"));

    }

    static string sha512(string password) {

        byte[] bytes = new SHA512Managed().ComputeHash(Encoding.UTF8.GetBytes(password), 0, Encoding.UTF8.GetByteCount(password));

        var hash = new StringBuilder();

        foreach (var item in bytes) {

            hash.Append(item.ToString("x2"));

        }

        return hash.ToString();

    }

}